Switch to using a submodule for autowaf

186 files changed, 6 insertions, 41965 deletions

diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
index 15d10f7d..d5085003 100644
--- a/.gitlab-ci.yml
+++ b/.gitlab-ci.yml
@@ -3,6 +3,9 @@ stages:
   - test
   - deploy
 
+variables:
+  GIT_SUBMODULE_STRATEGY: normal
+
 .build_template: &build_definition
   stage: build
   artifacts:
diff --git a/.gitmodules b/.gitmodules
new file mode 100644
index 00000000..0ebe4f28
--- /dev/null
+++ b/.gitmodules
@@ -0,0 +1,3 @@
+[submodule "waflib"]
+	path = waflib
+	url = ../autowaf
diff --git a/waflib b/waflib
new file mode 160000
+Subproject 2314e236ca6e7d94a26c3c17091da0f25f5867f
diff --git a/waflib/.gitignore b/waflib/.gitignore
deleted file mode 100644
index 8d35cb32..00000000
--- a/waflib/.gitignore
+++ /dev/null
@@ -1,2 +0,0 @@
-__pycache__
-*.pyc
diff --git a/waflib/Build.py b/waflib/Build.py
deleted file mode 100644
index 8143dbcc..00000000
--- a/waflib/Build.py
+++ /dev/null
@@ -1,1496 +0,0 @@
-#!/usr/bin/env python
-# encoding: utf-8
-# Thomas Nagy, 2005-2018 (ita)
-
-"""
-Classes related to the build phase (build, clean, install, step, etc)
-
-The inheritance tree is the following:
-
-"""
-
-import os, sys, errno, re, shutil, stat
-try:
-	import cPickle
-except ImportError:
-	import pickle as cPickle
-from waflib import Node, Runner, TaskGen, Utils, ConfigSet, Task, Logs, Options, Context, Errors
-
-CACHE_DIR = 'c4che'
-"""Name of the cache directory"""
-
-CACHE_SUFFIX = '_cache.py'
-"""ConfigSet cache files for variants are written under :py:attr:´waflib.Build.CACHE_DIR´ in the form ´variant_name´_cache.py"""
-
-INSTALL = 1337
-"""Positive value '->' install, see :py:attr:`waflib.Build.BuildContext.is_install`"""
-
-UNINSTALL = -1337
-"""Negative value '<-' uninstall, see :py:attr:`waflib.Build.BuildContext.is_install`"""
-
-SAVED_ATTRS = 'root node_sigs task_sigs imp_sigs raw_deps node_deps'.split()
-"""Build class members to save between the runs; these should be all dicts
-except for `root` which represents a :py:class:`waflib.Node.Node` instance
-"""
-
-CFG_FILES = 'cfg_files'
-"""Files from the build directory to hash before starting the build (``config.h`` written during the configuration)"""
-
-POST_AT_ONCE = 0
-"""Post mode: all task generators are posted before any task executed"""
-
-POST_LAZY = 1
-"""Post mode: post the task generators group after group, the tasks in the next group are created when the tasks in the previous groups are done"""
-
-PROTOCOL = -1
-if sys.platform == 'cli':
-	PROTOCOL = 0
-
-class BuildContext(Context.Context):
-	'''executes the build'''
-
-	cmd = 'build'
-	variant = ''
-
-	def __init__(self, **kw):
-		super(BuildContext, self).__init__(**kw)
-
-		self.is_install = 0
-		"""Non-zero value when installing or uninstalling file"""
-
-		self.top_dir = kw.get('top_dir', Context.top_dir)
-		"""See :py:attr:`waflib.Context.top_dir`; prefer :py:attr:`waflib.Build.BuildContext.srcnode`"""
-
-		self.out_dir = kw.get('out_dir', Context.out_dir)
-		"""See :py:attr:`waflib.Context.out_dir`; prefer :py:attr:`waflib.Build.BuildContext.bldnode`"""
-
-		self.run_dir = kw.get('run_dir', Context.run_dir)
-		"""See :py:attr:`waflib.Context.run_dir`"""
-
-		self.launch_dir = Context.launch_dir
-		"""See :py:attr:`waflib.Context.out_dir`; prefer :py:meth:`waflib.Build.BuildContext.launch_node`"""
-
-		self.post_mode = POST_LAZY
-		"""Whether to post the task generators at once or group-by-group (default is group-by-group)"""
-
-		self.cache_dir = kw.get('cache_dir')
-		if not self.cache_dir:
-			self.cache_dir = os.path.join(self.out_dir, CACHE_DIR)
-
-		self.all_envs = {}
-		"""Map names to :py:class:`waflib.ConfigSet.ConfigSet`, the empty string must map to the default environment"""
-
-		# ======================================= #
-		# cache variables
-
-		self.node_sigs = {}
-		"""Dict mapping build nodes to task identifier (uid), it indicates whether a task created a particular file (persists across builds)"""
-
-		self.task_sigs = {}
-		"""Dict mapping task identifiers (uid) to task signatures (persists across builds)"""
-
-		self.imp_sigs = {}
-		"""Dict mapping task identifiers (uid) to implicit task dependencies used for scanning targets (persists across builds)"""
-
-		self.node_deps = {}
-		"""Dict mapping task identifiers (uid) to node dependencies found by :py:meth:`waflib.Task.Task.scan` (persists across builds)"""
-
-		self.raw_deps = {}
-		"""Dict mapping task identifiers (uid) to custom data returned by :py:meth:`waflib.Task.Task.scan` (persists across builds)"""
-
-		self.task_gen_cache_names = {}
-
-		self.jobs = Options.options.jobs
-		"""Amount of jobs to run in parallel"""
-
-		self.targets = Options.options.targets
-		"""List of targets to build (default: \\*)"""
-
-		self.keep = Options.options.keep
-		"""Whether the build should continue past errors"""
-
-		self.progress_bar = Options.options.progress_bar
-		"""
-		Level of progress status:
-
-		0. normal output
-		1. progress bar
-		2. IDE output
-		3. No output at all
-		"""
-
-		# Manual dependencies.
-		self.deps_man = Utils.defaultdict(list)
-		"""Manual dependencies set by :py:meth:`waflib.Build.BuildContext.add_manual_dependency`"""
-
-		# just the structure here
-		self.current_group = 0
-		"""
-		Current build group
-		"""
-
-		self.groups = []
-		"""
-		List containing lists of task generators
-		"""
-
-		self.group_names = {}
-		"""
-		Map group names to the group lists. See :py:meth:`waflib.Build.BuildContext.add_group`
-		"""
-
-		for v in SAVED_ATTRS:
-			if not hasattr(self, v):
-				setattr(self, v, {})
-
-	def get_variant_dir(self):
-		"""Getter for the variant_dir attribute"""
-		if not self.variant:
-			return self.out_dir
-		return os.path.join(self.out_dir, os.path.normpath(self.variant))
-	variant_dir = property(get_variant_dir, None)
-
-	def __call__(self, *k, **kw):
-		"""
-		Create a task generator and add it to the current build group. The following forms are equivalent::
-
-			def build(bld):
-				tg = bld(a=1, b=2)
-
-			def build(bld):
-				tg = bld()
-				tg.a = 1
-				tg.b = 2
-
-			def build(bld):
-				tg = TaskGen.task_gen(a=1, b=2)
-				bld.add_to_group(tg, None)
-
-		:param group: group name to add the task generator to
-		:type group: string
-		"""
-		kw['bld'] = self
-		ret = TaskGen.task_gen(*k, **kw)
-		self.task_gen_cache_names = {} # reset the cache, each time
-		self.add_to_group(ret, group=kw.get('group'))
-		return ret
-
-	def __copy__(self):
-		"""
-		Build contexts cannot be copied
-
-		:raises: :py:class:`waflib.Errors.WafError`
-		"""
-		raise Errors.WafError('build contexts cannot be copied')
-
-	def load_envs(self):
-		"""
-		The configuration command creates files of the form ``build/c4che/NAMEcache.py``. This method
-		creates a :py:class:`waflib.ConfigSet.ConfigSet` instance for each ``NAME`` by reading those
-		files and stores them in :py:attr:`waflib.Build.BuildContext.allenvs`.
-		"""
-		node = self.root.find_node(self.cache_dir)
-		if not node:
-			raise Errors.WafError('The project was not configured: run "waf configure" first!')
-		lst = node.ant_glob('**/*%s' % CACHE_SUFFIX, quiet=True)
-
-		if not lst:
-			raise Errors.WafError('The cache directory is empty: reconfigure the project')
-
-		for x in lst:
-			name = x.path_from(node).replace(CACHE_SUFFIX, '').replace('\\', '/')
-			env = ConfigSet.ConfigSet(x.abspath())
-			self.all_envs[name] = env
-			for f in env[CFG_FILES]:
-				newnode = self.root.find_resource(f)
-				if not newnode or not newnode.exists():
-					raise Errors.WafError('Missing configuration file %r, reconfigure the project!' % f)
-
-	def init_dirs(self):
-		"""
-		Initialize the project directory and the build directory by creating the nodes
-		:py:attr:`waflib.Build.BuildContext.srcnode` and :py:attr:`waflib.Build.BuildContext.bldnode`
-		corresponding to ``top_dir`` and ``variant_dir`` respectively. The ``bldnode`` directory is
-		created if necessary.
-		"""
-		if not (os.path.isabs(self.top_dir) and os.path.isabs(self.out_dir)):
-			raise Errors.WafError('The project was not configured: run "waf configure" first!')
-
-		self.path = self.srcnode = self.root.find_dir(self.top_dir)
-		self.bldnode = self.root.make_node(self.variant_dir)
-		self.bldnode.mkdir()
-
-	def execute(self):
-		"""
-		Restore data from previous builds and call :py:meth:`waflib.Build.BuildContext.execute_build`.
-		Overrides from :py:func:`waflib.Context.Context.execute`
-		"""
-		self.restore()
-		if not self.all_envs:
-			self.load_envs()
-		self.execute_build()
-
-	def execute_build(self):
-		"""
-		Execute the build by:
-
-		* reading the scripts (see :py:meth:`waflib.Context.Context.recurse`)
-		* calling :py:meth:`waflib.Build.BuildContext.pre_build` to call user build functions
-		* calling :py:meth:`waflib.Build.BuildContext.compile` to process the tasks
-		* calling :py:meth:`waflib.Build.BuildContext.post_build` to call user build functions
-		"""
-
-		Logs.info("Waf: Entering directory `%s'", self.variant_dir)
-		self.recurse([self.run_dir])
-		self.pre_build()
-
-		# display the time elapsed in the progress bar
-		self.timer = Utils.Timer()
-
-		try:
-			self.compile()
-		finally:
-			if self.progress_bar == 1 and sys.stderr.isatty():
-				c = self.producer.processed or 1
-				m = self.progress_line(c, c, Logs.colors.BLUE, Logs.colors.NORMAL)
-				Logs.info(m, extra={'stream': sys.stderr, 'c1': Logs.colors.cursor_off, 'c2' : Logs.colors.cursor_on})
-			Logs.info("Waf: Leaving directory `%s'", self.variant_dir)
-		try:
-			self.producer.bld = None
-			del self.producer
-		except AttributeError:
-			pass
-		self.post_build()
-
-	def restore(self):
-		"""
-		Load data from a previous run, sets the attributes listed in :py:const:`waflib.Build.SAVED_ATTRS`
-		"""
-		try:
-			env = ConfigSet.ConfigSet(os.path.join(self.cache_dir, 'build.config.py'))
-		except EnvironmentError:
-			pass
-		else:
-			if env.version < Context.HEXVERSION:
-				raise Errors.WafError('Project was configured with a different version of Waf, please reconfigure it')
-
-			for t in env.tools:
-				self.setup(**t)
-
-		dbfn = os.path.join(self.variant_dir, Context.DBFILE)
-		try:
-			data = Utils.readf(dbfn, 'rb')
-		except (EnvironmentError, EOFError):
-			# handle missing file/empty file
-			Logs.debug('build: Could not load the build cache %s (missing)', dbfn)
-		else:
-			try:
-				Node.pickle_lock.acquire()
-				Node.Nod3 = self.node_class
-				try:
-					data = cPickle.loads(data)
-				except Exception as e:
-					Logs.debug('build: Could not pickle the build cache %s: %r', dbfn, e)
-				else:
-					for x in SAVED_ATTRS:
-						setattr(self, x, data.get(x, {}))
-			finally:
-				Node.pickle_lock.release()
-
-		self.init_dirs()
-
-	def store(self):
-		"""
-		Store data for next runs, set the attributes listed in :py:const:`waflib.Build.SAVED_ATTRS`. Uses a temporary
-		file to avoid problems on ctrl+c.
-		"""
-		data = {}
-		for x in SAVED_ATTRS:
-			data[x] = getattr(self, x)
-		db = os.path.join(self.variant_dir, Context.DBFILE)
-
-		try:
-			Node.pickle_lock.acquire()
-			Node.Nod3 = self.node_class
-			x = cPickle.dumps(data, PROTOCOL)
-		finally:
-			Node.pickle_lock.release()
-
-		Utils.writef(db + '.tmp', x, m='wb')
-
-		try:
-			st = os.stat(db)
-			os.remove(db)
-			if not Utils.is_win32: # win32 has no chown but we're paranoid
-				os.chown(db + '.tmp', st.st_uid, st.st_gid)
-		except (AttributeError, OSError):
-			pass
-
-		# do not use shutil.move (copy is not thread-safe)
-		os.rename(db + '.tmp', db)
-
-	def compile(self):
-		"""
-		Run the build by creating an instance of :py:class:`waflib.Runner.Parallel`
-		The cache file is written when at least a task was executed.
-
-		:raises: :py:class:`waflib.Errors.BuildError` in case the build fails
-		"""
-		Logs.debug('build: compile()')
-
-		# delegate the producer-consumer logic to another object to reduce the complexity
-		self.producer = Runner.Parallel(self, self.jobs)
-		self.producer.biter = self.get_build_iterator()
-		try:
-			self.producer.start()
-		except KeyboardInterrupt:
-			if self.is_dirty():
-				self.store()
-			raise
-		else:
-			if self.is_dirty():
-				self.store()
-
-		if self.producer.error:
-			raise Errors.BuildError(self.producer.error)
-
-	def is_dirty(self):
-		return self.producer.dirty
-
-	def setup(self, tool, tooldir=None, funs=None):
-		"""
-		Import waf tools defined during the configuration::
-
-			def configure(conf):
-				conf.load('glib2')
-
-			def build(bld):
-				pass # glib2 is imported implicitly
-
-		:param tool: tool list
-		:type tool: list
-		:param tooldir: optional tool directory (sys.path)
-		:type tooldir: list of string
-		:param funs: unused variable
-		"""
-		if isinstance(tool, list):
-			for i in tool:
-				self.setup(i, tooldir)
-			return
-
-		module = Context.load_tool(tool, tooldir)
-		if hasattr(module, "setup"):
-			module.setup(self)
-
-	def get_env(self):
-		"""Getter for the env property"""
-		try:
-			return self.all_envs[self.variant]
-		except KeyError:
-			return self.all_envs['']
-	def set_env(self, val):
-		"""Setter for the env property"""
-		self.all_envs[self.variant] = val
-
-	env = property(get_env, set_env)
-
-	def add_manual_dependency(self, path, value):
-		"""
-		Adds a dependency from a node object to a value::
-
-			def build(bld):
-				bld.add_manual_dependency(
-					bld.path.find_resource('wscript'),
-					bld.root.find_resource('/etc/fstab'))
-
-		:param path: file path
-		:type path: string or :py:class:`waflib.Node.Node`
-		:param value: value to depend
-		:type value: :py:class:`waflib.Node.Node`, byte object, or function returning a byte object
-		"""
-		if not path:
-			raise ValueError('Invalid input path %r' % path)
-
-		if isinstance(path, Node.Node):
-			node = path
-		elif os.path.isabs(path):
-			node = self.root.find_resource(path)
-		else:
-			node = self.path.find_resource(path)
-		if not node:
-			raise ValueError('Could not find the path %r' % path)
-
-		if isinstance(value, list):
-			self.deps_man[node].extend(value)
-		else:
-			self.deps_man[node].append(value)
-
-	def launch_node(self):
-		"""Returns the launch directory as a :py:class:`waflib.Node.Node` object (cached)"""
-		try:
-			# private cache
-			return self.p_ln
-		except AttributeError:
-			self.p_ln = self.root.find_dir(self.launch_dir)
-			return self.p_ln
-
-	def hash_env_vars(self, env, vars_lst):
-		"""
-		Hashes configuration set variables::
-
-			def build(bld):
-				bld.hash_env_vars(bld.env, ['CXX', 'CC'])
-
-		This method uses an internal cache.
-
-		:param env: Configuration Set
-		:type env: :py:class:`waflib.ConfigSet.ConfigSet`
-		:param vars_lst: list of variables
-		:type vars_list: list of string
-		"""
-
-		if not env.table:
-			env = env.parent
-			if not env:
-				return Utils.SIG_NIL
-
-		idx = str(id(env)) + str(vars_lst)
-		try:
-			cache = self.cache_env
-		except AttributeError:
-			cache = self.cache_env = {}
-		else:
-			try:
-				return self.cache_env[idx]
-			except KeyError:
-				pass
-
-		lst = [env[a] for a in vars_lst]
-		cache[idx] = ret = Utils.h_list(lst)
-		Logs.debug('envhash: %s %r', Utils.to_hex(ret), lst)
-		return ret
-
-	def get_tgen_by_name(self, name):
-		"""
-		Fetches a task generator by its name or its target attribute;
-		the name must be unique in a build::
-
-			def build(bld):
-				tg = bld(name='foo')
-				tg == bld.get_tgen_by_name('foo')
-
-		This method use a private internal cache.
-
-		:param name: Task generator name
-		:raises: :py:class:`waflib.Errors.WafError` in case there is no task genenerator by that name
-		"""
-		cache = self.task_gen_cache_names
-		if not cache:
-			# create the index lazily
-			for g in self.groups:
-				for tg in g:
-					try:
-						cache[tg.name] = tg
-					except AttributeError:
-						# raised if not a task generator, which should be uncommon
-						pass
-		try:
-			return cache[name]
-		except KeyError:
-			raise Errors.WafError('Could not find a task generator for the name %r' % name)
-
-	def progress_line(self, idx, total, col1, col2):
-		"""
-		Computes a progress bar line displayed when running ``waf -p``
-
-		:returns: progress bar line
-		:rtype: string
-		"""
-		if not sys.stderr.isatty():
-			return ''
-
-		n = len(str(total))
-
-		Utils.rot_idx += 1
-		ind = Utils.rot_chr[Utils.rot_idx % 4]
-
-		pc = (100. * idx)/total
-		fs = "[%%%dd/%%d][%%s%%2d%%%%%%s][%s][" % (n, ind)
-		left = fs % (idx, total, col1, pc, col2)
-		right = '][%s%s%s]' % (col1, self.timer, col2)
-
-		cols = Logs.get_term_cols() - len(left) - len(right) + 2*len(col1) + 2*len(col2)
-		if cols < 7:
-			cols = 7
-
-		ratio = ((cols * idx)//total) - 1
-
-		bar = ('='*ratio+'>').ljust(cols)
-		msg = Logs.indicator % (left, bar, right)
-
-		return msg
-
-	def declare_chain(self, *k, **kw):
-		"""
-		Wraps :py:func:`waflib.TaskGen.declare_chain` for convenience
-		"""
-		return TaskGen.declare_chain(*k, **kw)
-
-	def pre_build(self):
-		"""Executes user-defined methods before the build starts, see :py:meth:`waflib.Build.BuildContext.add_pre_fun`"""
-		for m in getattr(self, 'pre_funs', []):
-			m(self)
-
-	def post_build(self):
-		"""Executes user-defined methods after the build is successful, see :py:meth:`waflib.Build.BuildContext.add_post_fun`"""
-		for m in getattr(self, 'post_funs', []):
-			m(self)
-
-	def add_pre_fun(self, meth):
-		"""
-		Binds a callback method to execute after the scripts are read and before the build starts::
-
-			def mycallback(bld):
-				print("Hello, world!")
-
-			def build(bld):
-				bld.add_pre_fun(mycallback)
-		"""
-		try:
-			self.pre_funs.append(meth)
-		except AttributeError:
-			self.pre_funs = [meth]
-
-	def add_post_fun(self, meth):
-		"""
-		Binds a callback method to execute immediately after the build is successful::
-
-			def call_ldconfig(bld):
-				bld.exec_command('/sbin/ldconfig')
-
-			def build(bld):
-				if bld.cmd == 'install':
-					bld.add_pre_fun(call_ldconfig)
-		"""
-		try:
-			self.post_funs.append(meth)
-		except AttributeError:
-			self.post_funs = [meth]
-
-	def get_group(self, x):
-		"""
-		Returns the build group named `x`, or the current group if `x` is None
-
-		:param x: name or number or None
-		:type x: string, int or None
-		"""
-		if not self.groups:
-			self.add_group()
-		if x is None:
-			return self.groups[self.current_group]
-		if x in self.group_names:
-			return self.group_names[x]
-		return self.groups[x]
-
-	def add_to_group(self, tgen, group=None):
-		"""Adds a task or a task generator to the build; there is no attempt to remove it if it was already added."""
-		assert(isinstance(tgen, TaskGen.task_gen) or isinstance(tgen, Task.Task))
-		tgen.bld = self
-		self.get_group(group).append(tgen)
-
-	def get_group_name(self, g):
-		"""
-		Returns the name of the input build group
-
-		:param g: build group object or build group index
-		:type g: integer or list
-		:return: name
-		:rtype: string
-		"""
-		if not isinstance(g, list):
-			g = self.groups[g]
-		for x in self.group_names:
-			if id(self.group_names[x]) == id(g):
-				return x
-		return ''
-
-	def get_group_idx(self, tg):
-		"""
-		Returns the index of the group containing the task generator given as argument::
-
-			def build(bld):
-				tg = bld(name='nada')
-				0 == bld.get_group_idx(tg)
-
-		:param tg: Task generator object
-		:type tg: :py:class:`waflib.TaskGen.task_gen`
-		:rtype: int
-		"""
-		se = id(tg)
-		for i, tmp in enumerate(self.groups):
-			for t in tmp:
-				if id(t) == se:
-					return i
-		return None
-
-	def add_group(self, name=None, move=True):
-		"""
-		Adds a new group of tasks/task generators. By default the new group becomes
-		the default group for new task generators (make sure to create build groups in order).
-
-		:param name: name for this group
-		:type name: string
-		:param move: set this new group as default group (True by default)
-		:type move: bool
-		:raises: :py:class:`waflib.Errors.WafError` if a group by the name given already exists
-		"""
-		if name and name in self.group_names:
-			raise Errors.WafError('add_group: name %s already present', name)
-		g = []
-		self.group_names[name] = g
-		self.groups.append(g)
-		if move:
-			self.current_group = len(self.groups) - 1
-
-	def set_group(self, idx):
-		"""
-		Sets the build group at position idx as current so that newly added
-		task generators are added to this one by default::
-
-			def build(bld):
-				bld(rule='touch ${TGT}', target='foo.txt')
-				bld.add_group() # now the current group is 1
-				bld(rule='touch ${TGT}', target='bar.txt')
-				bld.set_group(0) # now the current group is 0
-				bld(rule='touch ${TGT}', target='truc.txt') # build truc.txt before bar.txt
-
-		:param idx: group name or group index
-		:type idx: string or int
-		"""
-		if isinstance(idx, str):
-			g = self.group_names[idx]
-			for i, tmp in enumerate(self.groups):
-				if id(g) == id(tmp):
-					self.current_group = i
-					break
-		else:
-			self.current_group = idx
-
-	def total(self):
-		"""
-		Approximate task count: this value may be inaccurate if task generators
-		are posted lazily (see :py:attr:`waflib.Build.BuildContext.post_mode`).
-		The value :py:attr:`waflib.Runner.Parallel.total` is updated during the task execution.
-
-		:rtype: int
-		"""
-		total = 0
-		for group in self.groups:
-			for tg in group:
-				try:
-					total += len(tg.tasks)
-				except AttributeError:
-					total += 1
-		return total
-
-	def get_targets(self):
-		"""
-		This method returns a pair containing the index of the last build group to post,
-		and the list of task generator objects corresponding to the target names.
-
-		This is used internally by :py:meth:`waflib.Build.BuildContext.get_build_iterator`
-		to perform partial builds::
-
-			$ waf --targets=myprogram,myshlib
-
-		:return: the minimum build group index, and list of task generators
-		:rtype: tuple
-		"""
-		to_post = []
-		min_grp = 0
-		for name in self.targets.split(','):
-			tg = self.get_tgen_by_name(name)
-			m = self.get_group_idx(tg)
-			if m > min_grp:
-				min_grp = m
-				to_post = [tg]
-			elif m == min_grp:
-				to_post.append(tg)
-		return (min_grp, to_post)
-
-	def get_all_task_gen(self):
-		"""
-		Returns a list of all task generators for troubleshooting purposes.
-		"""
-		lst = []
-		for g in self.groups:
-			lst.extend(g)
-		return lst
-
-	def post_group(self):
-		"""
-		Post task generators from the group indexed by self.current_group; used internally
-		by :py:meth:`waflib.Build.BuildContext.get_build_iterator`
-		"""
-		def tgpost(tg):
-			try:
-				f = tg.post
-			except AttributeError:
-				pass
-			else:
-				f()
-
-		if self.targets == '*':
-			for tg in self.groups[self.current_group]:
-				tgpost(tg)
-		elif self.targets:
-			if self.current_group < self._min_grp:
-				for tg in self.groups[self.current_group]:
-					tgpost(tg)
-			else:
-				for tg in self._exact_tg:
-					tg.post()
-		else:
-			ln = self.launch_node()
-			if ln.is_child_of(self.bldnode):
-				Logs.warn('Building from the build directory, forcing --targets=*')
-				ln = self.srcnode
-			elif not ln.is_child_of(self.srcnode):
-				Logs.warn('CWD %s is not under %s, forcing --targets=* (run distclean?)', ln.abspath(), self.srcnode.abspath())
-				ln = self.srcnode
-
-			def is_post(tg, ln):
-				try:
-					p = tg.path
-				except AttributeError:
-					pass
-				else:
-					if p.is_child_of(ln):
-						return True
-
-			def is_post_group():
-				for i, g in enumerate(self.groups):
-					if i > self.current_group:
-						for tg in g:
-							if is_post(tg, ln):
-								return True
-
-			if self.post_mode == POST_LAZY and ln != self.srcnode:
-				# partial folder builds require all targets from a previous build group
-				if is_post_group():
-					ln = self.srcnode
-
-			for tg in self.groups[self.current_group]:
-				if is_post(tg, ln):
-					tgpost(tg)
-
-	def get_tasks_group(self, idx):
-		"""
-		Returns all task instances for the build group at position idx,
-		used internally by :py:meth:`waflib.Build.BuildContext.get_build_iterator`
-
-		:rtype: list of :py:class:`waflib.Task.Task`
-		"""
-		tasks = []
-		for tg in self.groups[idx]:
-			try:
-				tasks.extend(tg.tasks)
-			except AttributeError: # not a task generator
-				tasks.append(tg)
-		return tasks
-
-	def get_build_iterator(self):
-		"""
-		Creates a Python generator object that returns lists of tasks that may be processed in parallel.
-
-		:return: tasks which can be executed immediately
-		:rtype: generator returning lists of :py:class:`waflib.Task.Task`
-		"""
-		if self.targets and self.targets != '*':
-			(self._min_grp, self._exact_tg) = self.get_targets()
-
-		if self.post_mode != POST_LAZY:
-			for self.current_group, _ in enumerate(self.groups):
-				self.post_group()
-
-		for self.current_group, _ in enumerate(self.groups):
-			# first post the task generators for the group
-			if self.post_mode != POST_AT_ONCE:
-				self.post_group()
-
-			# then extract the tasks
-			tasks = self.get_tasks_group(self.current_group)
-
-			# if the constraints are set properly (ext_in/ext_out, before/after)
-			# the call to set_file_constraints may be removed (can be a 15% penalty on no-op rebuilds)
-			# (but leave set_file_constraints for the installation step)
-			#
-			# if the tasks have only files, set_file_constraints is required but set_precedence_constraints is not necessary
-			#
-			Task.set_file_constraints(tasks)
-			Task.set_precedence_constraints(tasks)
-
-			self.cur_tasks = tasks
-			if tasks:
-				yield tasks
-
-		while 1:
-			# the build stops once there are no tasks to process
-			yield []
-
-	def install_files(self, dest, files, **kw):
-		"""
-		Creates a task generator to install files on the system::
-
-			def build(bld):
-				bld.install_files('${DATADIR}', self.path.find_resource('wscript'))
-
-		:param dest: path representing the destination directory
-		:type dest: :py:class:`waflib.Node.Node` or string (absolute path)
-		:param files: input files
-		:type files: list of strings or list of :py:class:`waflib.Node.Node`
-		:param env: configuration set to expand *dest*
-		:type env: :py:class:`waflib.ConfigSet.ConfigSet`
-		:param relative_trick: preserve the folder hierarchy when installing whole folders
-		:type relative_trick: bool
-		:param cwd: parent node for searching srcfile, when srcfile is not an instance of :py:class:`waflib.Node.Node`
-		:type cwd: :py:class:`waflib.Node.Node`
-		:param postpone: execute the task immediately to perform the installation (False by default)
-		:type postpone: bool
-		"""
-		assert(dest)
-		tg = self(features='install_task', install_to=dest, install_from=files, **kw)
-		tg.dest = tg.install_to
-		tg.type = 'install_files'
-		if not kw.get('postpone', True):
-			tg.post()
-		return tg
-
-	def install_as(self, dest, srcfile, **kw):
-		"""
-		Creates a task generator to install a file on the system with a different name::
-
-			def build(bld):
-				bld.install_as('${PREFIX}/bin', 'myapp', chmod=Utils.O755)
-
-		:param dest: destination file
-		:type dest: :py:class:`waflib.Node.Node` or string (absolute path)
-		:param srcfile: input file
-		:type srcfile: string or :py:class:`waflib.Node.Node`
-		:param cwd: parent node for searching srcfile, when srcfile is not an instance of :py:class:`waflib.Node.Node`
-		:type cwd: :py:class:`waflib.Node.Node`
-		:param env: configuration set for performing substitutions in dest
-		:type env: :py:class:`waflib.ConfigSet.ConfigSet`
-		:param postpone: execute the task immediately to perform the installation (False by default)
-		:type postpone: bool
-		"""
-		assert(dest)
-		tg = self(features='install_task', install_to=dest, install_from=srcfile, **kw)
-		tg.dest = tg.install_to
-		tg.type = 'install_as'
-		if not kw.get('postpone', True):
-			tg.post()
-		return tg
-
-	def symlink_as(self, dest, src, **kw):
-		"""
-		Creates a task generator to install a symlink::
-
-			def build(bld):
-				bld.symlink_as('${PREFIX}/lib/libfoo.so', 'libfoo.so.1.2.3')
-
-		:param dest: absolute path of the symlink
-		:type dest: :py:class:`waflib.Node.Node` or string (absolute path)
-		:param src: link contents, which is a relative or absolute path which may exist or not
-		:type src: string
-		:param env: configuration set for performing substitutions in dest
-		:type env: :py:class:`waflib.ConfigSet.ConfigSet`
-		:param add: add the task created to a build group - set ``False`` only if the installation task is created after the build has started
-		:type add: bool
-		:param postpone: execute the task immediately to perform the installation
-		:type postpone: bool
-		:param relative_trick: make the symlink relative (default: ``False``)
-		:type relative_trick: bool
-		"""
-		assert(dest)
-		tg = self(features='install_task', install_to=dest, install_from=src, **kw)
-		tg.dest = tg.install_to
-		tg.type = 'symlink_as'
-		tg.link = src
-		# TODO if add: self.add_to_group(tsk)
-		if not kw.get('postpone', True):
-			tg.post()
-		return tg
-
-@TaskGen.feature('install_task')
-@TaskGen.before_method('process_rule', 'process_source')
-def process_install_task(self):
-	"""Creates the installation task for the current task generator; uses :py:func:`waflib.Build.add_install_task` internally."""
-	self.add_install_task(**self.__dict__)
-
-@TaskGen.taskgen_method
-def add_install_task(self, **kw):
-	"""
-	Creates the installation task for the current task generator, and executes it immediately if necessary
-
-	:returns: An installation task
-	:rtype: :py:class:`waflib.Build.inst`
-	"""
-	if not self.bld.is_install:
-		return
-	if not kw['install_to']:
-		return
-
-	if kw['type'] == 'symlink_as' and Utils.is_win32:
-		if kw.get('win32_install'):
-			kw['type'] = 'install_as'
-		else:
-			# just exit
-			return
-
-	tsk = self.install_task = self.create_task('inst')
-	tsk.chmod = kw.get('chmod', Utils.O644)
-	tsk.link = kw.get('link', '') or kw.get('install_from', '')
-	tsk.relative_trick = kw.get('relative_trick', False)
-	tsk.type = kw['type']
-	tsk.install_to = tsk.dest = kw['install_to']
-	tsk.install_from = kw['install_from']
-	tsk.relative_base = kw.get('cwd') or kw.get('relative_base', self.path)
-	tsk.install_user = kw.get('install_user')
-	tsk.install_group = kw.get('install_group')
-	tsk.init_files()
-	if not kw.get('postpone', True):
-		tsk.run_now()
-	return tsk
-
-@TaskGen.taskgen_method
-def add_install_files(self, **kw):
-	"""
-	Creates an installation task for files
-
-	:returns: An installation task
-	:rtype: :py:class:`waflib.Build.inst`
-	"""
-	kw['type'] = 'install_files'
-	return self.add_install_task(**kw)
-
-@TaskGen.taskgen_method
-def add_install_as(self, **kw):
-	"""
-	Creates an installation task for a single file
-
-	:returns: An installation task
-	:rtype: :py:class:`waflib.Build.inst`
-	"""
-	kw['type'] = 'install_as'
-	return self.add_install_task(**kw)
-
-@TaskGen.taskgen_method
-def add_symlink_as(self, **kw):
-	"""
-	Creates an installation task for a symbolic link
-
-	:returns: An installation task
-	:rtype: :py:class:`waflib.Build.inst`
-	"""
-	kw['type'] = 'symlink_as'
-	return self.add_install_task(**kw)
-
-class inst(Task.Task):
-	"""Task that installs files or symlinks; it is typically executed by :py:class:`waflib.Build.InstallContext` and :py:class:`waflib.Build.UnInstallContext`"""
-	def __str__(self):
-		"""Returns an empty string to disable the standard task display"""
-		return ''
-
-	def uid(self):
-		"""Returns a unique identifier for the task"""
-		lst = self.inputs + self.outputs + [self.link, self.generator.path.abspath()]
-		return Utils.h_list(lst)
-
-	def init_files(self):
-		"""
-		Initializes the task input and output nodes
-		"""
-		if self.type == 'symlink_as':
-			inputs = []
-		else:
-			inputs = self.generator.to_nodes(self.install_from)
-			if self.type == 'install_as':
-				assert len(inputs) == 1
-		self.set_inputs(inputs)
-
-		dest = self.get_install_path()
-		outputs = []
-		if self.type == 'symlink_as':
-			if self.relative_trick:
-				self.link = os.path.relpath(self.link, os.path.dirname(dest))
-			outputs.append(self.generator.bld.root.make_node(dest))
-		elif self.type == 'install_as':
-			outputs.append(self.generator.bld.root.make_node(dest))
-		else:
-			for y in inputs:
-				if self.relative_trick:
-					destfile = os.path.join(dest, y.path_from(self.relative_base))
-				else:
-					destfile = os.path.join(dest, y.name)
-				outputs.append(self.generator.bld.root.make_node(destfile))
-		self.set_outputs(outputs)
-
-	def runnable_status(self):
-		"""
-		Installation tasks are always executed, so this method returns either :py:const:`waflib.Task.ASK_LATER` or :py:const:`waflib.Task.RUN_ME`.
-		"""
-		ret = super(inst, self).runnable_status()
-		if ret == Task.SKIP_ME and self.generator.bld.is_install:
-			return Task.RUN_ME
-		return ret
-
-	def post_run(self):
-		"""
-		Disables any post-run operations
-		"""
-		pass
-
-	def get_install_path(self, destdir=True):
-		"""
-		Returns the destination path where files will be installed, pre-pending `destdir`.
-
-		Relative paths will be interpreted relative to `PREFIX` if no `destdir` is given.
-
-		:rtype: string
-		"""
-		if isinstance(self.install_to, Node.Node):
-			dest = self.install_to.abspath()
-		else:
-			dest = os.path.normpath(Utils.subst_vars(self.install_to, self.env))
-		if not os.path.isabs(dest):
-		    dest = os.path.join(self.env.PREFIX, dest)
-		if destdir and Options.options.destdir:
-			dest = os.path.join(Options.options.destdir, os.path.splitdrive(dest)[1].lstrip(os.sep))
-		return dest
-
-	def copy_fun(self, src, tgt):
-		"""
-		Copies a file from src to tgt, preserving permissions and trying to work
-		around path limitations on Windows platforms. On Unix-like platforms,
-		the owner/group of the target file may be set through install_user/install_group
-
-		:param src: absolute path
-		:type src: string
-		:param tgt: absolute path
-		:type tgt: string
-		"""
-		# override this if you want to strip executables
-		# kw['tsk'].source is the task that created the files in the build
-		if Utils.is_win32 and len(tgt) > 259 and not tgt.startswith('\\\\?\\'):
-			tgt = '\\\\?\\' + tgt
-		shutil.copy2(src, tgt)
-		self.fix_perms(tgt)
-
-	def rm_empty_dirs(self, tgt):
-		"""
-		Removes empty folders recursively when uninstalling.
-
-		:param tgt: absolute path
-		:type tgt: string
-		"""
-		while tgt:
-			tgt = os.path.dirname(tgt)
-			try:
-				os.rmdir(tgt)
-			except OSError:
-				break
-
-	def run(self):
-		"""
-		Performs file or symlink installation
-		"""
-		is_install = self.generator.bld.is_install
-		if not is_install: # unnecessary?
-			return
-
-		for x in self.outputs:
-			if is_install == INSTALL:
-				x.parent.mkdir()
-		if self.type == 'symlink_as':
-			fun = is_install == INSTALL and self.do_link or self.do_unlink
-			fun(self.link, self.outputs[0].abspath())
-		else:
-			fun = is_install == INSTALL and self.do_install or self.do_uninstall
-			launch_node = self.generator.bld.launch_node()
-			for x, y in zip(self.inputs, self.outputs):
-				fun(x.abspath(), y.abspath(), x.path_from(launch_node))
-
-	def run_now(self):
-		"""
-		Try executing the installation task right now
-
-		:raises: :py:class:`waflib.Errors.TaskNotReady`
-		"""
-		status = self.runnable_status()
-		if status not in (Task.RUN_ME, Task.SKIP_ME):
-			raise Errors.TaskNotReady('Could not process %r: status %r' % (self, status))
-		self.run()
-		self.hasrun = Task.SUCCESS
-
-	def do_install(self, src, tgt, lbl, **kw):
-		"""
-		Copies a file from src to tgt with given file permissions. The actual copy is only performed
-		if the source and target file sizes or timestamps differ. When the copy occurs,
-		the file is always first removed and then copied so as to prevent stale inodes.
-
-		:param src: file name as absolute path
-		:type src: string
-		:param tgt: file destination, as absolute path
-		:type tgt: string
-		:param lbl: file source description
-		:type lbl: string
-		:param chmod: installation mode
-		:type chmod: int
-		:raises: :py:class:`waflib.Errors.WafError` if the file cannot be written
-		"""
-		if not Options.options.force:
-			# check if the file is already there to avoid a copy
-			try:
-				st1 = os.stat(tgt)
-				st2 = os.stat(src)
-			except OSError:
-				pass
-			else:
-				# same size and identical timestamps -> make no copy
-				if st1.st_mtime + 2 >= st2.st_mtime and st1.st_size == st2.st_size:
-					if not self.generator.bld.progress_bar:
-						Logs.info('- install %s (from %s)', tgt, lbl)
-					return False
-
-		if not self.generator.bld.progress_bar:
-			Logs.info('+ install %s (from %s)', tgt, lbl)
-
-		# Give best attempt at making destination overwritable,
-		# like the 'install' utility used by 'make install' does.
-		try:
-			os.chmod(tgt, Utils.O644 | stat.S_IMODE(os.stat(tgt).st_mode))
-		except EnvironmentError:
-			pass
-
-		# following is for shared libs and stale inodes (-_-)
-		try:
-			os.remove(tgt)
-		except OSError:
-			pass
-
-		try:
-			self.copy_fun(src, tgt)
-		except EnvironmentError as e:
-			if not os.path.exists(src):
-				Logs.error('File %r does not exist', src)
-			elif not os.path.isfile(src):
-				Logs.error('Input %r is not a file', src)
-			raise Errors.WafError('Could not install the file %r' % tgt, e)
-
-	def fix_perms(self, tgt):
-		"""
-		Change the ownership of the file/folder/link pointed by the given path
-		This looks up for `install_user` or `install_group` attributes
-		on the task or on the task generator::
-
-			def build(bld):
-				bld.install_as('${PREFIX}/wscript',
-					'wscript',
-					install_user='nobody', install_group='nogroup')
-				bld.symlink_as('${PREFIX}/wscript_link',
-					Utils.subst_vars('${PREFIX}/wscript', bld.env),
-					install_user='nobody', install_group='nogroup')
-		"""
-		if not Utils.is_win32:
-			user = getattr(self, 'install_user', None) or getattr(self.generator, 'install_user', None)
-			group = getattr(self, 'install_group', None) or getattr(self.generator, 'install_group', None)
-			if user or group:
-				Utils.lchown(tgt, user or -1, group or -1)
-		if not os.path.islink(tgt):
-			os.chmod(tgt, self.chmod)
-
-	def do_link(self, src, tgt, **kw):
-		"""
-		Creates a symlink from tgt to src.
-
-		:param src: file name as absolute path
-		:type src: string
-		:param tgt: file destination, as absolute path
-		:type tgt: string
-		"""
-		if os.path.islink(tgt) and os.readlink(tgt) == src:
-			if not self.generator.bld.progress_bar:
-				Logs.info('- symlink %s (to %s)', tgt, src)
-		else:
-			try:
-				os.remove(tgt)
-			except OSError:
-				pass
-			if not self.generator.bld.progress_bar:
-				Logs.info('+ symlink %s (to %s)', tgt, src)
-			os.symlink(src, tgt)
-			self.fix_perms(tgt)
-
-	def do_uninstall(self, src, tgt, lbl, **kw):
-		"""
-		See :py:meth:`waflib.Build.inst.do_install`
-		"""
-		if not self.generator.bld.progress_bar:
-			Logs.info('- remove %s', tgt)
-
-		#self.uninstall.append(tgt)
-		try:
-			os.remove(tgt)
-		except OSError as e:
-			if e.errno != errno.ENOENT:
-				if not getattr(self, 'uninstall_error', None):
-					self.uninstall_error = True
-					Logs.warn('build: some files could not be uninstalled (retry with -vv to list them)')
-				if Logs.verbose > 1:
-					Logs.warn('Could not remove %s (error code %r)', e.filename, e.errno)
-		self.rm_empty_dirs(tgt)
-
-	def do_unlink(self, src, tgt, **kw):
-		"""
-		See :py:meth:`waflib.Build.inst.do_link`
-		"""
-		try:
-			if not self.generator.bld.progress_bar:
-				Logs.info('- remove %s', tgt)
-			os.remove(tgt)
-		except OSError:
-			pass
-		self.rm_empty_dirs(tgt)
-
-class InstallContext(BuildContext):
-	'''installs the targets on the system'''
-	cmd = 'install'
-
-	def __init__(self, **kw):
-		super(InstallContext, self).__init__(**kw)
-		self.is_install = INSTALL
-
-class UninstallContext(InstallContext):
-	'''removes the targets installed'''
-	cmd = 'uninstall'
-
-	def __init__(self, **kw):
-		super(UninstallContext, self).__init__(**kw)
-		self.is_install = UNINSTALL
-
-class CleanContext(BuildContext):
-	'''cleans the project'''
-	cmd = 'clean'
-	def execute(self):
-		"""
-		See :py:func:`waflib.Build.BuildContext.execute`.
-		"""
-		self.restore()
-		if not self.all_envs:
-			self.load_envs()
-
-		self.recurse([self.run_dir])
-		try:
-			self.clean()
-		finally:
-			self.store()
-
-	def clean(self):
-		"""
-		Remove most files from the build directory, and reset all caches.
-
-		Custom lists of files to clean can be declared as `bld.clean_files`.
-		For example, exclude `build/program/myprogram` from getting removed::
-
-			def build(bld):
-				bld.clean_files = bld.bldnode.ant_glob('**',
-					excl='.lock* config.log c4che/* config.h program/myprogram',
-					quiet=True, generator=True)
-		"""
-		Logs.debug('build: clean called')
-
-		if hasattr(self, 'clean_files'):
-			for n in self.clean_files:
-				n.delete()
-		elif self.bldnode != self.srcnode:
-			# would lead to a disaster if top == out
-			lst = []
-			for env in self.all_envs.values():
-				lst.extend(self.root.find_or_declare(f) for f in env[CFG_FILES])
-			excluded_dirs = '.lock* *conf_check_*/** config.log %s/*' % CACHE_DIR
-			for n in self.bldnode.ant_glob('**/*', excl=excluded_dirs, quiet=True):
-				if n in lst:
-					continue
-				n.delete()
-		self.root.children = {}
-
-		for v in SAVED_ATTRS:
-			if v == 'root':
-				continue
-			setattr(self, v, {})
-
-class ListContext(BuildContext):
-	'''lists the targets to execute'''
-	cmd = 'list'
-
-	def execute(self):
-		"""
-		In addition to printing the name of each build target,
-		a description column will include text for each task
-		generator which has a "description" field set.
-
-		See :py:func:`waflib.Build.BuildContext.execute`.
-		"""
-		self.restore()
-		if not self.all_envs:
-			self.load_envs()
-
-		self.recurse([self.run_dir])
-		self.pre_build()
-
-		# display the time elapsed in the progress bar
-		self.timer = Utils.Timer()
-
-		for g in self.groups:
-			for tg in g:
-				try:
-					f = tg.post
-				except AttributeError:
-					pass
-				else:
-					f()
-
-		try:
-			# force the cache initialization
-			self.get_tgen_by_name('')
-		except Errors.WafError:
-			pass
-
-		targets = sorted(self.task_gen_cache_names)
-
-		# figure out how much to left-justify, for largest target name
-		line_just = max(len(t) for t in targets) if targets else 0
-
-		for target in targets:
-			tgen = self.task_gen_cache_names[target]
-
-			# Support displaying the description for the target
-			# if it was set on the tgen
-			descript = getattr(tgen, 'description', '')
-			if descript:
-				target = target.ljust(line_just)
-				descript = ': %s' % descript
-
-			Logs.pprint('GREEN', target, label=descript)
-
-class StepContext(BuildContext):
-	'''executes tasks in a step-by-step fashion, for debugging'''
-	cmd = 'step'
-
-	def __init__(self, **kw):
-		super(StepContext, self).__init__(**kw)
-		self.files = Options.options.files
-
-	def compile(self):
-		"""
-		Overrides :py:meth:`waflib.Build.BuildContext.compile` to perform a partial build
-		on tasks matching the input/output pattern given (regular expression matching)::
-
-			$ waf step --files=foo.c,bar.c,in:truc.c,out:bar.o
-			$ waf step --files=in:foo.cpp.1.o # link task only
-
-		"""
-		if not self.files:
-			Logs.warn('Add a pattern for the debug build, for example "waf step --files=main.c,app"')
-			BuildContext.compile(self)
-			return
-
-		targets = []
-		if self.targets and self.targets != '*':
-			targets = self.targets.split(',')
-
-		for g in self.groups:
-			for tg in g:
-				if targets and tg.name not in targets:
-					continue
-
-				try:
-					f = tg.post
-				except AttributeError:
-					pass
-				else:
-					f()
-
-			for pat in self.files.split(','):
-				matcher = self.get_matcher(pat)
-				for tg in g:
-					if isinstance(tg, Task.Task):
-						lst = [tg]
-					else:
-						lst = tg.tasks
-					for tsk in lst:
-						do_exec = False
-						for node in tsk.inputs:
-							if matcher(node, output=False):
-								do_exec = True
-								break
-						for node in tsk.outputs:
-							if matcher(node, output=True):
-								do_exec = True
-								break
-						if do_exec:
-							ret = tsk.run()
-							Logs.info('%s -> exit %r', tsk, ret)
-
-	def get_matcher(self, pat):
-		"""
-		Converts a step pattern into a function
-
-		:param: pat: pattern of the form in:truc.c,out:bar.o
-		:returns: Python function that uses Node objects as inputs and returns matches
-		:rtype: function
-		"""
-		# this returns a function
-		inn = True
-		out = True
-		if pat.startswith('in:'):
-			out = False
-			pat = pat.replace('in:', '')
-		elif pat.startswith('out:'):
-			inn = False
-			pat = pat.replace('out:', '')
-
-		anode = self.root.find_node(pat)
-		pattern = None
-		if not anode:
-			if not pat.startswith('^'):
-				pat = '^.+?%s' % pat
-			if not pat.endswith('$'):
-				pat = '%s$' % pat
-			pattern = re.compile(pat)
-
-		def match(node, output):
-			if output and not out:
-				return False
-			if not output and not inn:
-				return False
-
-			if anode:
-				return anode == node
-			else:
-				return pattern.match(node.abspath())
-		return match
-
-class EnvContext(BuildContext):
-	"""Subclass EnvContext to create commands that require configuration data in 'env'"""
-	fun = cmd = None
-	def execute(self):
-		"""
-		See :py:func:`waflib.Build.BuildContext.execute`.
-		"""
-		self.restore()
-		if not self.all_envs:
-			self.load_envs()
-		self.recurse([self.run_dir])
-
diff --git a/waflib/COPYING b/waflib/COPYING
deleted file mode 100644
index a4147d2b..00000000
--- a/waflib/COPYING
+++ /dev/null
@@ -1,25 +0,0 @@
-Redistribution and use in source and binary forms, with or without
-modification, are permitted provided that the following conditions
-are met:
-
-1. Redistributions of source code must retain the above copyright
-   notice, this list of conditions and the following disclaimer.
-
-2. Redistributions in binary form must reproduce the above copyright
-   notice, this list of conditions and the following disclaimer in the
-   documentation and/or other materials provided with the distribution.
-
-3. The name of the author may not be used to endorse or promote products
-   derived from this software without specific prior written permission.
-
-THIS SOFTWARE IS PROVIDED BY THE AUTHOR "AS IS" AND ANY EXPRESS OR
-IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
-WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
-DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT,
-INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
-(INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
-SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
-HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
-STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
-IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
-POSSIBILITY OF SUCH DAMAGE.
diff --git a/waflib/ConfigSet.py b/waflib/ConfigSet.py
deleted file mode 100644
index 901fba6c..00000000
--- a/waflib/ConfigSet.py
+++ /dev/null
@@ -1,361 +0,0 @@
-#!/usr/bin/env python
-# encoding: utf-8
-# Thomas Nagy, 2005-2018 (ita)
-
-"""
-
-ConfigSet: a special dict
-
-The values put in :py:class:`ConfigSet` must be serializable (dicts, lists, strings)
-"""
-
-import copy, re, os
-from waflib import Logs, Utils
-re_imp = re.compile(r'^(#)*?([^#=]*?)\ =\ (.*?)$', re.M)
-
-class ConfigSet(object):
-	"""
-	A copy-on-write dict with human-readable serialized format. The serialization format
-	is human-readable (python-like) and performed by using eval() and repr().
-	For high performance prefer pickle. Do not store functions as they are not serializable.
-
-	The values can be accessed by attributes or by keys::
-
-		from waflib.ConfigSet import ConfigSet
-		env = ConfigSet()
-		env.FOO = 'test'
-		env['FOO'] = 'test'
-	"""
-	__slots__ = ('table', 'parent')
-	def __init__(self, filename=None):
-		self.table = {}
-		"""
-		Internal dict holding the object values
-		"""
-		#self.parent = None
-
-		if filename:
-			self.load(filename)
-
-	def __contains__(self, key):
-		"""
-		Enables the *in* syntax::
-
-			if 'foo' in env:
-				print(env['foo'])
-		"""
-		if key in self.table:
-			return True
-		try:
-			return self.parent.__contains__(key)
-		except AttributeError:
-			return False # parent may not exist
-
-	def keys(self):
-		"""Dict interface"""
-		keys = set()
-		cur = self
-		while cur:
-			keys.update(cur.table.keys())
-			cur = getattr(cur, 'parent', None)
-		keys = list(keys)
-		keys.sort()
-		return keys
-
-	def __iter__(self):
-		return iter(self.keys())
-
-	def __str__(self):
-		"""Text representation of the ConfigSet (for debugging purposes)"""
-		return "\n".join(["%r %r" % (x, self.__getitem__(x)) for x in self.keys()])
-
-	def __getitem__(self, key):
-		"""
-		Dictionary interface: get value from key::
-
-			def configure(conf):
-				conf.env['foo'] = {}
-				print(env['foo'])
-		"""
-		try:
-			while 1:
-				x = self.table.get(key)
-				if not x is None:
-					return x
-				self = self.parent
-		except AttributeError:
-			return []
-
-	def __setitem__(self, key, value):
-		"""
-		Dictionary interface: set value from key
-		"""
-		self.table[key] = value
-
-	def __delitem__(self, key):
-		"""
-		Dictionary interface: mark the value as missing
-		"""
-		self[key] = []
-
-	def __getattr__(self, name):
-		"""
-		Attribute access provided for convenience. The following forms are equivalent::
-
-			def configure(conf):
-				conf.env.value
-				conf.env['value']
-		"""
-		if name in self.__slots__:
-			return object.__getattribute__(self, name)
-		else:
-			return self[name]
-
-	def __setattr__(self, name, value):
-		"""
-		Attribute access provided for convenience. The following forms are equivalent::
-
-			def configure(conf):
-				conf.env.value = x
-				env['value'] = x
-		"""
-		if name in self.__slots__:
-			object.__setattr__(self, name, value)
-		else:
-			self[name] = value
-
-	def __delattr__(self, name):
-		"""
-		Attribute access provided for convenience. The following forms are equivalent::
-
-			def configure(conf):
-				del env.value
-				del env['value']
-		"""
-		if name in self.__slots__:
-			object.__delattr__(self, name)
-		else:
-			del self[name]
-
-	def derive(self):
-		"""
-		Returns a new ConfigSet deriving from self. The copy returned
-		will be a shallow copy::
-
-			from waflib.ConfigSet import ConfigSet
-			env = ConfigSet()
-			env.append_value('CFLAGS', ['-O2'])
-			child = env.derive()
-			child.CFLAGS.append('test') # warning! this will modify 'env'
-			child.CFLAGS = ['-O3'] # new list, ok
-			child.append_value('CFLAGS', ['-O3']) # ok
-
-		Use :py:func:`ConfigSet.detach` to detach the child from the parent.
-		"""
-		newenv = ConfigSet()
-		newenv.parent = self
-		return newenv
-
-	def detach(self):
-		"""
-		Detaches this instance from its parent (if present)
-
-		Modifying the parent :py:class:`ConfigSet` will not change the current object
-		Modifying this :py:class:`ConfigSet` will not modify the parent one.
-		"""
-		tbl = self.get_merged_dict()
-		try:
-			delattr(self, 'parent')
-		except AttributeError:
-			pass
-		else:
-			keys = tbl.keys()
-			for x in keys:
-				tbl[x] = copy.deepcopy(tbl[x])
-			self.table = tbl
-		return self
-
-	def get_flat(self, key):
-		"""
-		Returns a value as a string. If the input is a list, the value returned is space-separated.
-
-		:param key: key to use
-		:type key: string
-		"""
-		s = self[key]
-		if isinstance(s, str):
-			return s
-		return ' '.join(s)
-
-	def _get_list_value_for_modification(self, key):
-		"""
-		Returns a list value for further modification.
-
-		The list may be modified inplace and there is no need to do this afterwards::
-
-			self.table[var] = value
-		"""
-		try:
-			value = self.table[key]
-		except KeyError:
-			try:
-				value = self.parent[key]
-			except AttributeError:
-				value = []
-			else:
-				if isinstance(value, list):
-					# force a copy
-					value = value[:]
-				else:
-					value = [value]
-			self.table[key] = value
-		else:
-			if not isinstance(value, list):
-				self.table[key] = value = [value]
-		return value
-
-	def append_value(self, var, val):
-		"""
-		Appends a value to the specified config key::
-
-			def build(bld):
-				bld.env.append_value('CFLAGS', ['-O2'])
-
-		The value must be a list or a tuple
-		"""
-		if isinstance(val, str): # if there were string everywhere we could optimize this
-			val = [val]
-		current_value = self._get_list_value_for_modification(var)
-		current_value.extend(val)
-
-	def prepend_value(self, var, val):
-		"""
-		Prepends a value to the specified item::
-
-			def configure(conf):
-				conf.env.prepend_value('CFLAGS', ['-O2'])
-
-		The value must be a list or a tuple
-		"""
-		if isinstance(val, str):
-			val = [val]
-		self.table[var] =  val + self._get_list_value_for_modification(var)
-
-	def append_unique(self, var, val):
-		"""
-		Appends a value to the specified item only if it's not already present::
-
-			def build(bld):
-				bld.env.append_unique('CFLAGS', ['-O2', '-g'])
-
-		The value must be a list or a tuple
-		"""
-		if isinstance(val, str):
-			val = [val]
-		current_value = self._get_list_value_for_modification(var)
-
-		for x in val:
-			if x not in current_value:
-				current_value.append(x)
-
-	def get_merged_dict(self):
-		"""
-		Computes the merged dictionary from the fusion of self and all its parent
-
-		:rtype: a ConfigSet object
-		"""
-		table_list = []
-		env = self
-		while 1:
-			table_list.insert(0, env.table)
-			try:
-				env = env.parent
-			except AttributeError:
-				break
-		merged_table = {}
-		for table in table_list:
-			merged_table.update(table)
-		return merged_table
-
-	def store(self, filename):
-		"""
-		Serializes the :py:class:`ConfigSet` data to a file. See :py:meth:`ConfigSet.load` for reading such files.
-
-		:param filename: file to use
-		:type filename: string
-		"""
-		try:
-			os.makedirs(os.path.split(filename)[0])
-		except OSError:
-			pass
-
-		buf = []
-		merged_table = self.get_merged_dict()
-		keys = list(merged_table.keys())
-		keys.sort()
-
-		try:
-			fun = ascii
-		except NameError:
-			fun = repr
-
-		for k in keys:
-			if k != 'undo_stack':
-				buf.append('%s = %s\n' % (k, fun(merged_table[k])))
-		Utils.writef(filename, ''.join(buf))
-
-	def load(self, filename):
-		"""
-		Restores contents from a file (current values are not cleared). Files are written using :py:meth:`ConfigSet.store`.
-
-		:param filename: file to use
-		:type filename: string
-		"""
-		tbl = self.table
-		code = Utils.readf(filename, m='r')
-		for m in re_imp.finditer(code):
-			g = m.group
-			tbl[g(2)] = eval(g(3))
-		Logs.debug('env: %s', self.table)
-
-	def update(self, d):
-		"""
-		Dictionary interface: replace values with the ones from another dict
-
-		:param d: object to use the value from
-		:type d: dict-like object
-		"""
-		self.table.update(d)
-
-	def stash(self):
-		"""
-		Stores the object state to provide transactionality semantics::
-
-			env = ConfigSet()
-			env.stash()
-			try:
-				env.append_value('CFLAGS', '-O3')
-				call_some_method(env)
-			finally:
-				env.revert()
-
-		The history is kept in a stack, and is lost during the serialization by :py:meth:`ConfigSet.store`
-		"""
-		orig = self.table
-		tbl = self.table = self.table.copy()
-		for x in tbl.keys():
-			tbl[x] = copy.deepcopy(tbl[x])
-		self.undo_stack = self.undo_stack + [orig]
-
-	def commit(self):
-		"""
-		Commits transactional changes. See :py:meth:`ConfigSet.stash`
-		"""
-		self.undo_stack.pop(-1)
-
-	def revert(self):
-		"""
-		Reverts the object to a previous state. See :py:meth:`ConfigSet.stash`
-		"""
-		self.table = self.undo_stack.pop(-1)
-
diff --git a/waflib/Configure.py b/waflib/Configure.py
deleted file mode 100644
index db09c0e3..00000000
--- a/waflib/Configure.py
+++ /dev/null
@@ -1,639 +0,0 @@
-#!/usr/bin/env python
-# encoding: utf-8
-# Thomas Nagy, 2005-2018 (ita)
-
-"""
-Configuration system
-
-A :py:class:`waflib.Configure.ConfigurationContext` instance is created when ``waf configure`` is called, it is used to:
-
-* create data dictionaries (ConfigSet instances)
-* store the list of modules to import
-* hold configuration routines such as ``find_program``, etc
-"""
-
-import os, re, shlex, shutil, sys, time, traceback
-from waflib import ConfigSet, Utils, Options, Logs, Context, Build, Errors
-
-WAF_CONFIG_LOG = 'config.log'
-"""Name of the configuration log file"""
-
-autoconfig = False
-"""Execute the configuration automatically"""
-
-conf_template = '''# project %(app)s configured on %(now)s by
-# waf %(wafver)s (abi %(abi)s, python %(pyver)x on %(systype)s)
-# using %(args)s
-#'''
-
-class ConfigurationContext(Context.Context):
-	'''configures the project'''
-
-	cmd = 'configure'
-
-	error_handlers = []
-	"""
-	Additional functions to handle configuration errors
-	"""
-
-	def __init__(self, **kw):
-		super(ConfigurationContext, self).__init__(**kw)
-		self.environ = dict(os.environ)
-		self.all_envs = {}
-
-		self.top_dir = None
-		self.out_dir = None
-
-		self.tools = [] # tools loaded in the configuration, and that will be loaded when building
-
-		self.hash = 0
-		self.files = []
-
-		self.tool_cache = []
-
-		self.setenv('')
-
-	def setenv(self, name, env=None):
-		"""
-		Set a new config set for conf.env. If a config set of that name already exists,
-		recall it without modification.
-
-		The name is the filename prefix to save to ``c4che/NAME_cache.py``, and it
-		is also used as *variants* by the build commands.
-		Though related to variants, whatever kind of data may be stored in the config set::
-
-			def configure(cfg):
-				cfg.env.ONE = 1
-				cfg.setenv('foo')
-				cfg.env.ONE = 2
-
-			def build(bld):
-				2 == bld.env_of_name('foo').ONE
-
-		:param name: name of the configuration set
-		:type name: string
-		:param env: ConfigSet to copy, or an empty ConfigSet is created
-		:type env: :py:class:`waflib.ConfigSet.ConfigSet`
-		"""
-		if name not in self.all_envs or env:
-			if not env:
-				env = ConfigSet.ConfigSet()
-				self.prepare_env(env)
-			else:
-				env = env.derive()
-			self.all_envs[name] = env
-		self.variant = name
-
-	def get_env(self):
-		"""Getter for the env property"""
-		return self.all_envs[self.variant]
-	def set_env(self, val):
-		"""Setter for the env property"""
-		self.all_envs[self.variant] = val
-
-	env = property(get_env, set_env)
-
-	def init_dirs(self):
-		"""
-		Initialize the project directory and the build directory
-		"""
-
-		top = self.top_dir
-		if not top:
-			top = Options.options.top
-		if not top:
-			top = getattr(Context.g_module, Context.TOP, None)
-		if not top:
-			top = self.path.abspath()
-		top = os.path.abspath(top)
-
-		self.srcnode = (os.path.isabs(top) and self.root or self.path).find_dir(top)
-		assert(self.srcnode)
-
-		out = self.out_dir
-		if not out:
-			out = Options.options.out
-		if not out:
-			out = getattr(Context.g_module, Context.OUT, None)
-		if not out:
-			out = Options.lockfile.replace('.lock-waf_%s_' % sys.platform, '').replace('.lock-waf', '')
-
-		# someone can be messing with symlinks
-		out = os.path.realpath(out)
-
-		self.bldnode = (os.path.isabs(out) and self.root or self.path).make_node(out)
-		self.bldnode.mkdir()
-
-		if not os.path.isdir(self.bldnode.abspath()):
-			self.fatal('Could not create the build directory %s' % self.bldnode.abspath())
-
-	def execute(self):
-		"""
-		See :py:func:`waflib.Context.Context.execute`
-		"""
-		self.init_dirs()
-
-		self.cachedir = self.bldnode.make_node(Build.CACHE_DIR)
-		self.cachedir.mkdir()
-
-		path = os.path.join(self.bldnode.abspath(), WAF_CONFIG_LOG)
-		self.logger = Logs.make_logger(path, 'cfg')
-
-		app = getattr(Context.g_module, 'APPNAME', '')
-		if app:
-			ver = getattr(Context.g_module, 'VERSION', '')
-			if ver:
-				app = "%s (%s)" % (app, ver)
-
-		params = {'now': time.ctime(), 'pyver': sys.hexversion, 'systype': sys.platform, 'args': " ".join(sys.argv), 'wafver': Context.WAFVERSION, 'abi': Context.ABI, 'app': app}
-		self.to_log(conf_template % params)
-		self.msg('Setting top to', self.srcnode.abspath())
-		self.msg('Setting out to', self.bldnode.abspath())
-
-		if id(self.srcnode) == id(self.bldnode):
-			Logs.warn('Setting top == out')
-		elif id(self.path) != id(self.srcnode):
-			if self.srcnode.is_child_of(self.path):
-				Logs.warn('Are you certain that you do not want to set top="." ?')
-
-		super(ConfigurationContext, self).execute()
-
-		self.store()
-
-		Context.top_dir = self.srcnode.abspath()
-		Context.out_dir = self.bldnode.abspath()
-
-		# this will write a configure lock so that subsequent builds will
-		# consider the current path as the root directory (see prepare_impl).
-		# to remove: use 'waf distclean'
-		env = ConfigSet.ConfigSet()
-		env.argv = sys.argv
-		env.options = Options.options.__dict__
-		env.config_cmd = self.cmd
-
-		env.run_dir = Context.run_dir
-		env.top_dir = Context.top_dir
-		env.out_dir = Context.out_dir
-
-		# conf.hash & conf.files hold wscript files paths and hash
-		# (used only by Configure.autoconfig)
-		env.hash = self.hash
-		env.files = self.files
-		env.environ = dict(self.environ)
-		env.launch_dir = Context.launch_dir
-
-		if not (self.env.NO_LOCK_IN_RUN or env.environ.get('NO_LOCK_IN_RUN') or getattr(Options.options, 'no_lock_in_run')):
-			env.store(os.path.join(Context.run_dir, Options.lockfile))
-		if not (self.env.NO_LOCK_IN_TOP or env.environ.get('NO_LOCK_IN_TOP') or getattr(Options.options, 'no_lock_in_top')):
-			env.store(os.path.join(Context.top_dir, Options.lockfile))
-		if not (self.env.NO_LOCK_IN_OUT or env.environ.get('NO_LOCK_IN_OUT') or getattr(Options.options, 'no_lock_in_out')):
-			env.store(os.path.join(Context.out_dir, Options.lockfile))
-
-	def prepare_env(self, env):
-		"""
-		Insert *PREFIX*, *BINDIR* and *LIBDIR* values into ``env``
-
-		:type env: :py:class:`waflib.ConfigSet.ConfigSet`
-		:param env: a ConfigSet, usually ``conf.env``
-		"""
-		if not env.PREFIX:
-			if Options.options.prefix or Utils.is_win32:
-				env.PREFIX = Options.options.prefix
-			else:
-				env.PREFIX = '/'
-		if not env.BINDIR:
-			if Options.options.bindir:
-				env.BINDIR = Options.options.bindir
-			else:
-				env.BINDIR = Utils.subst_vars('${PREFIX}/bin', env)
-		if not env.LIBDIR:
-			if Options.options.libdir:
-				env.LIBDIR = Options.options.libdir
-			else:
-				env.LIBDIR = Utils.subst_vars('${PREFIX}/lib%s' % Utils.lib64(), env)
-
-	def store(self):
-		"""Save the config results into the cache file"""
-		n = self.cachedir.make_node('build.config.py')
-		n.write('version = 0x%x\ntools = %r\n' % (Context.HEXVERSION, self.tools))
-
-		if not self.all_envs:
-			self.fatal('nothing to store in the configuration context!')
-
-		for key in self.all_envs:
-			tmpenv = self.all_envs[key]
-			tmpenv.store(os.path.join(self.cachedir.abspath(), key + Build.CACHE_SUFFIX))
-
-	def load(self, tool_list, tooldir=None, funs=None, with_sys_path=True, cache=False):
-		"""
-		Load Waf tools, which will be imported whenever a build is started.
-
-		:param tool_list: waf tools to import
-		:type tool_list: list of string
-		:param tooldir: paths for the imports
-		:type tooldir: list of string
-		:param funs: functions to execute from the waf tools
-		:type funs: list of string
-		:param cache: whether to prevent the tool from running twice
-		:type cache: bool
-		"""
-
-		tools = Utils.to_list(tool_list)
-		if tooldir:
-			tooldir = Utils.to_list(tooldir)
-		for tool in tools:
-			# avoid loading the same tool more than once with the same functions
-			# used by composite projects
-
-			if cache:
-				mag = (tool, id(self.env), tooldir, funs)
-				if mag in self.tool_cache:
-					self.to_log('(tool %s is already loaded, skipping)' % tool)
-					continue
-				self.tool_cache.append(mag)
-
-			module = None
-			try:
-				module = Context.load_tool(tool, tooldir, ctx=self, with_sys_path=with_sys_path)
-			except ImportError as e:
-				self.fatal('Could not load the Waf tool %r from %r\n%s' % (tool, getattr(e, 'waf_sys_path', sys.path), e))
-			except Exception as e:
-				self.to_log('imp %r (%r & %r)' % (tool, tooldir, funs))
-				self.to_log(traceback.format_exc())
-				raise
-
-			if funs is not None:
-				self.eval_rules(funs)
-			else:
-				func = getattr(module, 'configure', None)
-				if func:
-					if type(func) is type(Utils.readf):
-						func(self)
-					else:
-						self.eval_rules(func)
-
-			self.tools.append({'tool':tool, 'tooldir':tooldir, 'funs':funs})
-
-	def post_recurse(self, node):
-		"""
-		Records the path and a hash of the scripts visited, see :py:meth:`waflib.Context.Context.post_recurse`
-
-		:param node: script
-		:type node: :py:class:`waflib.Node.Node`
-		"""
-		super(ConfigurationContext, self).post_recurse(node)
-		self.hash = Utils.h_list((self.hash, node.read('rb')))
-		self.files.append(node.abspath())
-
-	def eval_rules(self, rules):
-		"""
-		Execute configuration tests provided as list of functions to run
-
-		:param rules: list of configuration method names
-		:type rules: list of string
-		"""
-		self.rules = Utils.to_list(rules)
-		for x in self.rules:
-			f = getattr(self, x)
-			if not f:
-				self.fatal('No such configuration function %r' % x)
-			f()
-
-def conf(f):
-	"""
-	Decorator: attach new configuration functions to :py:class:`waflib.Build.BuildContext` and
-	:py:class:`waflib.Configure.ConfigurationContext`. The methods bound will accept a parameter
-	named 'mandatory' to disable the configuration errors::
-
-		def configure(conf):
-			conf.find_program('abc', mandatory=False)
-
-	:param f: method to bind
-	:type f: function
-	"""
-	def fun(*k, **kw):
-		mandatory = kw.pop('mandatory', True)
-		try:
-			return f(*k, **kw)
-		except Errors.ConfigurationError:
-			if mandatory:
-				raise
-
-	fun.__name__ = f.__name__
-	setattr(ConfigurationContext, f.__name__, fun)
-	setattr(Build.BuildContext, f.__name__, fun)
-	return f
-
-@conf
-def add_os_flags(self, var, dest=None, dup=False):
-	"""
-	Import operating system environment values into ``conf.env`` dict::
-
-		def configure(conf):
-			conf.add_os_flags('CFLAGS')
-
-	:param var: variable to use
-	:type var: string
-	:param dest: destination variable, by default the same as var
-	:type dest: string
-	:param dup: add the same set of flags again
-	:type dup: bool
-	"""
-	try:
-		flags = shlex.split(self.environ[var])
-	except KeyError:
-		return
-	if dup or ''.join(flags) not in ''.join(Utils.to_list(self.env[dest or var])):
-		self.env.append_value(dest or var, flags)
-
-@conf
-def cmd_to_list(self, cmd):
-	"""
-	Detect if a command is written in pseudo shell like ``ccache g++`` and return a list.
-
-	:param cmd: command
-	:type cmd: a string or a list of string
-	"""
-	if isinstance(cmd, str):
-		if os.path.isfile(cmd):
-			# do not take any risk
-			return [cmd]
-		if os.sep == '/':
-			return shlex.split(cmd)
-		else:
-			try:
-				return shlex.split(cmd, posix=False)
-			except TypeError:
-				# Python 2.5 on windows?
-				return shlex.split(cmd)
-	return cmd
-
-@conf
-def check_waf_version(self, mini='1.9.99', maxi='2.1.0', **kw):
-	"""
-	Raise a Configuration error if the Waf version does not strictly match the given bounds::
-
-		conf.check_waf_version(mini='1.9.99', maxi='2.1.0')
-
-	:type  mini: number, tuple or string
-	:param mini: Minimum required version
-	:type  maxi: number, tuple or string
-	:param maxi: Maximum allowed version
-	"""
-	self.start_msg('Checking for waf version in %s-%s' % (str(mini), str(maxi)), **kw)
-	ver = Context.HEXVERSION
-	if Utils.num2ver(mini) > ver:
-		self.fatal('waf version should be at least %r (%r found)' % (Utils.num2ver(mini), ver))
-	if Utils.num2ver(maxi) < ver:
-		self.fatal('waf version should be at most %r (%r found)' % (Utils.num2ver(maxi), ver))
-	self.end_msg('ok', **kw)
-
-@conf
-def find_file(self, filename, path_list=[]):
-	"""
-	Find a file in a list of paths
-
-	:param filename: name of the file to search for
-	:param path_list: list of directories to search
-	:return: the first matching filename; else a configuration exception is raised
-	"""
-	for n in Utils.to_list(filename):
-		for d in Utils.to_list(path_list):
-			p = os.path.expanduser(os.path.join(d, n))
-			if os.path.exists(p):
-				return p
-	self.fatal('Could not find %r' % filename)
-
-@conf
-def find_program(self, filename, **kw):
-	"""
-	Search for a program on the operating system
-
-	When var is used, you may set os.environ[var] to help find a specific program version, for example::
-
-		$ CC='ccache gcc' waf configure
-
-	:param path_list: paths to use for searching
-	:type param_list: list of string
-	:param var: store the result to conf.env[var] where var defaults to filename.upper() if not provided; the result is stored as a list of strings
-	:type var: string
-	:param value: obtain the program from the value passed exclusively
-	:type value: list or string (list is preferred)
-	:param exts: list of extensions for the binary (do not add an extension for portability)
-	:type exts: list of string
-	:param msg: name to display in the log, by default filename is used
-	:type msg: string
-	:param interpreter: interpreter for the program
-	:type interpreter: ConfigSet variable key
-	:raises: :py:class:`waflib.Errors.ConfigurationError`
-	"""
-
-	exts = kw.get('exts', Utils.is_win32 and '.exe,.com,.bat,.cmd' or ',.sh,.pl,.py')
-
-	environ = kw.get('environ', getattr(self, 'environ', os.environ))
-
-	ret = ''
-
-	filename = Utils.to_list(filename)
-	msg = kw.get('msg', ', '.join(filename))
-
-	var = kw.get('var', '')
-	if not var:
-		var = re.sub(r'[-.]', '_', filename[0].upper())
-
-	path_list = kw.get('path_list', '')
-	if path_list:
-		path_list = Utils.to_list(path_list)
-	else:
-		path_list = environ.get('PATH', '').split(os.pathsep)
-
-	if kw.get('value'):
-		# user-provided in command-line options and passed to find_program
-		ret = self.cmd_to_list(kw['value'])
-	elif environ.get(var):
-		# user-provided in the os environment
-		ret = self.cmd_to_list(environ[var])
-	elif self.env[var]:
-		# a default option in the wscript file
-		ret = self.cmd_to_list(self.env[var])
-	else:
-		if not ret:
-			ret = self.find_binary(filename, exts.split(','), path_list)
-		if not ret and Utils.winreg:
-			ret = Utils.get_registry_app_path(Utils.winreg.HKEY_CURRENT_USER, filename)
-		if not ret and Utils.winreg:
-			ret = Utils.get_registry_app_path(Utils.winreg.HKEY_LOCAL_MACHINE, filename)
-		ret = self.cmd_to_list(ret)
-
-	if ret:
-		if len(ret) == 1:
-			retmsg = ret[0]
-		else:
-			retmsg = ret
-	else:
-		retmsg = False
-
-	self.msg('Checking for program %r' % msg, retmsg, **kw)
-	if not kw.get('quiet'):
-		self.to_log('find program=%r paths=%r var=%r -> %r' % (filename, path_list, var, ret))
-
-	if not ret:
-		self.fatal(kw.get('errmsg', '') or 'Could not find the program %r' % filename)
-
-	interpreter = kw.get('interpreter')
-	if interpreter is None:
-		if not Utils.check_exe(ret[0], env=environ):
-			self.fatal('Program %r is not executable' % ret)
-		self.env[var] = ret
-	else:
-		self.env[var] = self.env[interpreter] + ret
-
-	return ret
-
-@conf
-def find_binary(self, filenames, exts, paths):
-	for f in filenames:
-		for ext in exts:
-			exe_name = f + ext
-			if os.path.isabs(exe_name):
-				if os.path.isfile(exe_name):
-					return exe_name
-			else:
-				for path in paths:
-					x = os.path.expanduser(os.path.join(path, exe_name))
-					if os.path.isfile(x):
-						return x
-	return None
-
-@conf
-def run_build(self, *k, **kw):
-	"""
-	Create a temporary build context to execute a build. A reference to that build
-	context is kept on self.test_bld for debugging purposes, and you should not rely
-	on it too much (read the note on the cache below).
-	The parameters given in the arguments to this function are passed as arguments for
-	a single task generator created in the build. Only three parameters are obligatory:
-
-	:param features: features to pass to a task generator created in the build
-	:type features: list of string
-	:param compile_filename: file to create for the compilation (default: *test.c*)
-	:type compile_filename: string
-	:param code: code to write in the filename to compile
-	:type code: string
-
-	Though this function returns *0* by default, the build may set an attribute named *retval* on the
-	build context object to return a particular value. See :py:func:`waflib.Tools.c_config.test_exec_fun` for example.
-
-	This function also provides a limited cache. To use it, provide the following option::
-
-		def options(opt):
-			opt.add_option('--confcache', dest='confcache', default=0,
-				action='count', help='Use a configuration cache')
-
-	And execute the configuration with the following command-line::
-
-		$ waf configure --confcache
-
-	"""
-	lst = [str(v) for (p, v) in kw.items() if p != 'env']
-	h = Utils.h_list(lst)
-	dir = self.bldnode.abspath() + os.sep + (not Utils.is_win32 and '.' or '') + 'conf_check_' + Utils.to_hex(h)
-
-	try:
-		os.makedirs(dir)
-	except OSError:
-		pass
-
-	try:
-		os.stat(dir)
-	except OSError:
-		self.fatal('cannot use the configuration test folder %r' % dir)
-
-	cachemode = getattr(Options.options, 'confcache', None)
-	if cachemode == 1:
-		try:
-			proj = ConfigSet.ConfigSet(os.path.join(dir, 'cache_run_build'))
-		except EnvironmentError:
-			pass
-		else:
-			ret = proj['cache_run_build']
-			if isinstance(ret, str) and ret.startswith('Test does not build'):
-				self.fatal(ret)
-			return ret
-
-	bdir = os.path.join(dir, 'testbuild')
-
-	if not os.path.exists(bdir):
-		os.makedirs(bdir)
-
-	cls_name = kw.get('run_build_cls') or getattr(self, 'run_build_cls', 'build')
-	self.test_bld = bld = Context.create_context(cls_name, top_dir=dir, out_dir=bdir)
-	bld.init_dirs()
-	bld.progress_bar = 0
-	bld.targets = '*'
-
-	bld.logger = self.logger
-	bld.all_envs.update(self.all_envs) # not really necessary
-	bld.env = kw['env']
-
-	bld.kw = kw
-	bld.conf = self
-	kw['build_fun'](bld)
-	ret = -1
-	try:
-		try:
-			bld.compile()
-		except Errors.WafError:
-			ret = 'Test does not build: %s' % traceback.format_exc()
-			self.fatal(ret)
-		else:
-			ret = getattr(bld, 'retval', 0)
-	finally:
-		if cachemode == 1:
-			# cache the results each time
-			proj = ConfigSet.ConfigSet()
-			proj['cache_run_build'] = ret
-			proj.store(os.path.join(dir, 'cache_run_build'))
-		else:
-			shutil.rmtree(dir)
-	return ret
-
-@conf
-def ret_msg(self, msg, args):
-	if isinstance(msg, str):
-		return msg
-	return msg(args)
-
-@conf
-def test(self, *k, **kw):
-
-	if not 'env' in kw:
-		kw['env'] = self.env.derive()
-
-	# validate_c for example
-	if kw.get('validate'):
-		kw['validate'](kw)
-
-	self.start_msg(kw['msg'], **kw)
-	ret = None
-	try:
-		ret = self.run_build(*k, **kw)
-	except self.errors.ConfigurationError:
-		self.end_msg(kw['errmsg'], 'YELLOW', **kw)
-		if Logs.verbose > 1:
-			raise
-		else:
-			self.fatal('The configuration failed')
-	else:
-		kw['success'] = ret
-
-	if kw.get('post_check'):
-		ret = kw['post_check'](kw)
-
-	if ret:
-		self.end_msg(kw['errmsg'], 'YELLOW', **kw)
-		self.fatal('The configuration failed %r' % ret)
-	else:
-		self.end_msg(self.ret_msg(kw['okmsg'], kw), **kw)
-	return ret
-
diff --git a/waflib/Context.py b/waflib/Context.py
deleted file mode 100644
index 876ea46b..00000000
--- a/waflib/Context.py
+++ /dev/null
@@ -1,737 +0,0 @@
-#!/usr/bin/env python
-# encoding: utf-8
-# Thomas Nagy, 2010-2018 (ita)
-
-"""
-Classes and functions enabling the command system
-"""
-
-import os, re, imp, sys
-from waflib import Utils, Errors, Logs
-import waflib.Node
-
-# the following 3 constants are updated on each new release (do not touch)
-HEXVERSION=0x2000f00
-"""Constant updated on new releases"""
-
-WAFVERSION="2.0.15"
-"""Constant updated on new releases"""
-
-WAFREVISION="503db290b73ef738a495e0d116d6f8ee0b98dcc2"
-"""Git revision when the waf version is updated"""
-
-ABI = 20
-"""Version of the build data cache file format (used in :py:const:`waflib.Context.DBFILE`)"""
-
-DBFILE = '.wafpickle-%s-%d-%d' % (sys.platform, sys.hexversion, ABI)
-"""Name of the pickle file for storing the build data"""
-
-APPNAME = 'APPNAME'
-"""Default application name (used by ``waf dist``)"""
-
-VERSION = 'VERSION'
-"""Default application version (used by ``waf dist``)"""
-
-TOP  = 'top'
-"""The variable name for the top-level directory in wscript files"""
-
-OUT  = 'out'
-"""The variable name for the output directory in wscript files"""
-
-WSCRIPT_FILE = 'wscript'
-"""Name of the waf script files"""
-
-launch_dir = ''
-"""Directory from which waf has been called"""
-run_dir = ''
-"""Location of the wscript file to use as the entry point"""
-top_dir = ''
-"""Location of the project directory (top), if the project was configured"""
-out_dir = ''
-"""Location of the build directory (out), if the project was configured"""
-waf_dir = ''
-"""Directory containing the waf modules"""
-
-default_encoding = Utils.console_encoding()
-"""Encoding to use when reading outputs from other processes"""
-
-g_module = None
-"""
-Module representing the top-level wscript file (see :py:const:`waflib.Context.run_dir`)
-"""
-
-STDOUT = 1
-STDERR = -1
-BOTH   = 0
-
-classes = []
-"""
-List of :py:class:`waflib.Context.Context` subclasses that can be used as waf commands. The classes
-are added automatically by a metaclass.
-"""
-
-def create_context(cmd_name, *k, **kw):
-	"""
-	Returns a new :py:class:`waflib.Context.Context` instance corresponding to the given command.
-	Used in particular by :py:func:`waflib.Scripting.run_command`
-
-	:param cmd_name: command name
-	:type cmd_name: string
-	:param k: arguments to give to the context class initializer
-	:type k: list
-	:param k: keyword arguments to give to the context class initializer
-	:type k: dict
-	:return: Context object
-	:rtype: :py:class:`waflib.Context.Context`
-	"""
-	for x in classes:
-		if x.cmd == cmd_name:
-			return x(*k, **kw)
-	ctx = Context(*k, **kw)
-	ctx.fun = cmd_name
-	return ctx
-
-class store_context(type):
-	"""
-	Metaclass that registers command classes into the list :py:const:`waflib.Context.classes`
-	Context classes must provide an attribute 'cmd' representing the command name, and a function
-	attribute 'fun' representing the function name that the command uses.
-	"""
-	def __init__(cls, name, bases, dct):
-		super(store_context, cls).__init__(name, bases, dct)
-		name = cls.__name__
-
-		if name in ('ctx', 'Context'):
-			return
-
-		try:
-			cls.cmd
-		except AttributeError:
-			raise Errors.WafError('Missing command for the context class %r (cmd)' % name)
-
-		if not getattr(cls, 'fun', None):
-			cls.fun = cls.cmd
-
-		classes.insert(0, cls)
-
-ctx = store_context('ctx', (object,), {})
-"""Base class for all :py:class:`waflib.Context.Context` classes"""
-
-class Context(ctx):
-	"""
-	Default context for waf commands, and base class for new command contexts.
-
-	Context objects are passed to top-level functions::
-
-		def foo(ctx):
-			print(ctx.__class__.__name__) # waflib.Context.Context
-
-	Subclasses must define the class attributes 'cmd' and 'fun':
-
-	:param cmd: command to execute as in ``waf cmd``
-	:type cmd: string
-	:param fun: function name to execute when the command is called
-	:type fun: string
-
-	.. inheritance-diagram:: waflib.Context.Context waflib.Build.BuildContext waflib.Build.InstallContext waflib.Build.UninstallContext waflib.Build.StepContext waflib.Build.ListContext waflib.Configure.ConfigurationContext waflib.Scripting.Dist waflib.Scripting.DistCheck waflib.Build.CleanContext
-
-	"""
-
-	errors = Errors
-	"""
-	Shortcut to :py:mod:`waflib.Errors` provided for convenience
-	"""
-
-	tools = {}
-	"""
-	A module cache for wscript files; see :py:meth:`Context.Context.load`
-	"""
-
-	def __init__(self, **kw):
-		try:
-			rd = kw['run_dir']
-		except KeyError:
-			rd = run_dir
-
-		# binds the context to the nodes in use to avoid a context singleton
-		self.node_class = type('Nod3', (waflib.Node.Node,), {})
-		self.node_class.__module__ = 'waflib.Node'
-		self.node_class.ctx = self
-
-		self.root = self.node_class('', None)
-		self.cur_script = None
-		self.path = self.root.find_dir(rd)
-
-		self.stack_path = []
-		self.exec_dict = {'ctx':self, 'conf':self, 'bld':self, 'opt':self}
-		self.logger = None
-
-	def finalize(self):
-		"""
-		Called to free resources such as logger files
-		"""
-		try:
-			logger = self.logger
-		except AttributeError:
-			pass
-		else:
-			Logs.free_logger(logger)
-			delattr(self, 'logger')
-
-	def load(self, tool_list, *k, **kw):
-		"""
-		Loads a Waf tool as a module, and try calling the function named :py:const:`waflib.Context.Context.fun`
-		from it.  A ``tooldir`` argument may be provided as a list of module paths.
-
-		:param tool_list: list of Waf tool names to load
-		:type tool_list: list of string or space-separated string
-		"""
-		tools = Utils.to_list(tool_list)
-		path = Utils.to_list(kw.get('tooldir', ''))
-		with_sys_path = kw.get('with_sys_path', True)
-
-		for t in tools:
-			module = load_tool(t, path, with_sys_path=with_sys_path)
-			fun = getattr(module, kw.get('name', self.fun), None)
-			if fun:
-				fun(self)
-
-	def execute(self):
-		"""
-		Here, it calls the function name in the top-level wscript file. Most subclasses
-		redefine this method to provide additional functionality.
-		"""
-		self.recurse([os.path.dirname(g_module.root_path)])
-
-	def pre_recurse(self, node):
-		"""
-		Method executed immediately before a folder is read by :py:meth:`waflib.Context.Context.recurse`.
-		The current script is bound as a Node object on ``self.cur_script``, and the current path
-		is bound to ``self.path``
-
-		:param node: script
-		:type node: :py:class:`waflib.Node.Node`
-		"""
-		self.stack_path.append(self.cur_script)
-
-		self.cur_script = node
-		self.path = node.parent
-
-	def post_recurse(self, node):
-		"""
-		Restores ``self.cur_script`` and ``self.path`` right after :py:meth:`waflib.Context.Context.recurse` terminates.
-
-		:param node: script
-		:type node: :py:class:`waflib.Node.Node`
-		"""
-		self.cur_script = self.stack_path.pop()
-		if self.cur_script:
-			self.path = self.cur_script.parent
-
-	def recurse(self, dirs, name=None, mandatory=True, once=True, encoding=None):
-		"""
-		Runs user-provided functions from the supplied list of directories.
-		The directories can be either absolute, or relative to the directory
-		of the wscript file
-
-		The methods :py:meth:`waflib.Context.Context.pre_recurse` and
-		:py:meth:`waflib.Context.Context.post_recurse` are called immediately before
-		and after a script has been executed.
-
-		:param dirs: List of directories to visit
-		:type dirs: list of string or space-separated string
-		:param name: Name of function to invoke from the wscript
-		:type  name: string
-		:param mandatory: whether sub wscript files are required to exist
-		:type  mandatory: bool
-		:param once: read the script file once for a particular context
-		:type once: bool
-		"""
-		try:
-			cache = self.recurse_cache
-		except AttributeError:
-			cache = self.recurse_cache = {}
-
-		for d in Utils.to_list(dirs):
-
-			if not os.path.isabs(d):
-				# absolute paths only
-				d = os.path.join(self.path.abspath(), d)
-
-			WSCRIPT     = os.path.join(d, WSCRIPT_FILE)
-			WSCRIPT_FUN = WSCRIPT + '_' + (name or self.fun)
-
-			node = self.root.find_node(WSCRIPT_FUN)
-			if node and (not once or node not in cache):
-				cache[node] = True
-				self.pre_recurse(node)
-				try:
-					function_code = node.read('r', encoding)
-					exec(compile(function_code, node.abspath(), 'exec'), self.exec_dict)
-				finally:
-					self.post_recurse(node)
-			elif not node:
-				node = self.root.find_node(WSCRIPT)
-				tup = (node, name or self.fun)
-				if node and (not once or tup not in cache):
-					cache[tup] = True
-					self.pre_recurse(node)
-					try:
-						wscript_module = load_module(node.abspath(), encoding=encoding)
-						user_function = getattr(wscript_module, (name or self.fun), None)
-						if not user_function:
-							if not mandatory:
-								continue
-							raise Errors.WafError('No function %r defined in %s' % (name or self.fun, node.abspath()))
-						user_function(self)
-					finally:
-						self.post_recurse(node)
-				elif not node:
-					if not mandatory:
-						continue
-					try:
-						os.listdir(d)
-					except OSError:
-						raise Errors.WafError('Cannot read the folder %r' % d)
-					raise Errors.WafError('No wscript file in directory %s' % d)
-
-	def log_command(self, cmd, kw):
-		if Logs.verbose:
-			fmt = os.environ.get('WAF_CMD_FORMAT')
-			if fmt == 'string':
-				if not isinstance(cmd, str):
-					cmd = Utils.shell_escape(cmd)
-			Logs.debug('runner: %r', cmd)
-			Logs.debug('runner_env: kw=%s', kw)
-
-	def exec_command(self, cmd, **kw):
-		"""
-		Runs an external process and returns the exit status::
-
-			def run(tsk):
-				ret = tsk.generator.bld.exec_command('touch foo.txt')
-				return ret
-
-		If the context has the attribute 'log', then captures and logs the process stderr/stdout.
-		Unlike :py:meth:`waflib.Context.Context.cmd_and_log`, this method does not return the
-		stdout/stderr values captured.
-
-		:param cmd: command argument for subprocess.Popen
-		:type cmd: string or list
-		:param kw: keyword arguments for subprocess.Popen. The parameters input/timeout will be passed to wait/communicate.
-		:type kw: dict
-		:returns: process exit status
-		:rtype: integer
-		:raises: :py:class:`waflib.Errors.WafError` if an invalid executable is specified for a non-shell process
-		:raises: :py:class:`waflib.Errors.WafError` in case of execution failure
-		"""
-		subprocess = Utils.subprocess
-		kw['shell'] = isinstance(cmd, str)
-		self.log_command(cmd, kw)
-
-		if self.logger:
-			self.logger.info(cmd)
-
-		if 'stdout' not in kw:
-			kw['stdout'] = subprocess.PIPE
-		if 'stderr' not in kw:
-			kw['stderr'] = subprocess.PIPE
-
-		if Logs.verbose and not kw['shell'] and not Utils.check_exe(cmd[0]):
-			raise Errors.WafError('Program %s not found!' % cmd[0])
-
-		cargs = {}
-		if 'timeout' in kw:
-			if sys.hexversion >= 0x3030000:
-				cargs['timeout'] = kw['timeout']
-				if not 'start_new_session' in kw:
-					kw['start_new_session'] = True
-			del kw['timeout']
-		if 'input' in kw:
-			if kw['input']:
-				cargs['input'] = kw['input']
-				kw['stdin'] = subprocess.PIPE
-			del kw['input']
-
-		if 'cwd' in kw:
-			if not isinstance(kw['cwd'], str):
-				kw['cwd'] = kw['cwd'].abspath()
-
-		encoding = kw.pop('decode_as', default_encoding)
-
-		try:
-			ret, out, err = Utils.run_process(cmd, kw, cargs)
-		except Exception as e:
-			raise Errors.WafError('Execution failure: %s' % str(e), ex=e)
-
-		if out:
-			if not isinstance(out, str):
-				out = out.decode(encoding, errors='replace')
-			if self.logger:
-				self.logger.debug('out: %s', out)
-			else:
-				Logs.info(out, extra={'stream':sys.stdout, 'c1': ''})
-		if err:
-			if not isinstance(err, str):
-				err = err.decode(encoding, errors='replace')
-			if self.logger:
-				self.logger.error('err: %s' % err)
-			else:
-				Logs.info(err, extra={'stream':sys.stderr, 'c1': ''})
-
-		return ret
-
-	def cmd_and_log(self, cmd, **kw):
-		"""
-		Executes a process and returns stdout/stderr if the execution is successful.
-		An exception is thrown when the exit status is non-0. In that case, both stderr and stdout
-		will be bound to the WafError object (configuration tests)::
-
-			def configure(conf):
-				out = conf.cmd_and_log(['echo', 'hello'], output=waflib.Context.STDOUT, quiet=waflib.Context.BOTH)
-				(out, err) = conf.cmd_and_log(['echo', 'hello'], output=waflib.Context.BOTH)
-				(out, err) = conf.cmd_and_log(cmd, input='\\n'.encode(), output=waflib.Context.STDOUT)
-				try:
-					conf.cmd_and_log(['which', 'someapp'], output=waflib.Context.BOTH)
-				except Errors.WafError as e:
-					print(e.stdout, e.stderr)
-
-		:param cmd: args for subprocess.Popen
-		:type cmd: list or string
-		:param kw: keyword arguments for subprocess.Popen. The parameters input/timeout will be passed to wait/communicate.
-		:type kw: dict
-		:returns: a tuple containing the contents of stdout and stderr
-		:rtype: string
-		:raises: :py:class:`waflib.Errors.WafError` if an invalid executable is specified for a non-shell process
-		:raises: :py:class:`waflib.Errors.WafError` in case of execution failure; stdout/stderr/returncode are bound to the exception object
-		"""
-		subprocess = Utils.subprocess
-		kw['shell'] = isinstance(cmd, str)
-		self.log_command(cmd, kw)
-
-		quiet = kw.pop('quiet', None)
-		to_ret = kw.pop('output', STDOUT)
-
-		if Logs.verbose and not kw['shell'] and not Utils.check_exe(cmd[0]):
-			raise Errors.WafError('Program %r not found!' % cmd[0])
-
-		kw['stdout'] = kw['stderr'] = subprocess.PIPE
-		if quiet is None:
-			self.to_log(cmd)
-
-		cargs = {}
-		if 'timeout' in kw:
-			if sys.hexversion >= 0x3030000:
-				cargs['timeout'] = kw['timeout']
-				if not 'start_new_session' in kw:
-					kw['start_new_session'] = True
-			del kw['timeout']
-		if 'input' in kw:
-			if kw['input']:
-				cargs['input'] = kw['input']
-				kw['stdin'] = subprocess.PIPE
-			del kw['input']
-
-		if 'cwd' in kw:
-			if not isinstance(kw['cwd'], str):
-				kw['cwd'] = kw['cwd'].abspath()
-
-		encoding = kw.pop('decode_as', default_encoding)
-
-		try:
-			ret, out, err = Utils.run_process(cmd, kw, cargs)
-		except Exception as e:
-			raise Errors.WafError('Execution failure: %s' % str(e), ex=e)
-
-		if not isinstance(out, str):
-			out = out.decode(encoding, errors='replace')
-		if not isinstance(err, str):
-			err = err.decode(encoding, errors='replace')
-
-		if out and quiet != STDOUT and quiet != BOTH:
-			self.to_log('out: %s' % out)
-		if err and quiet != STDERR and quiet != BOTH:
-			self.to_log('err: %s' % err)
-
-		if ret:
-			e = Errors.WafError('Command %r returned %r' % (cmd, ret))
-			e.returncode = ret
-			e.stderr = err
-			e.stdout = out
-			raise e
-
-		if to_ret == BOTH:
-			return (out, err)
-		elif to_ret == STDERR:
-			return err
-		return out
-
-	def fatal(self, msg, ex=None):
-		"""
-		Prints an error message in red and stops command execution; this is
-		usually used in the configuration section::
-
-			def configure(conf):
-				conf.fatal('a requirement is missing')
-
-		:param msg: message to display
-		:type msg: string
-		:param ex: optional exception object
-		:type ex: exception
-		:raises: :py:class:`waflib.Errors.ConfigurationError`
-		"""
-		if self.logger:
-			self.logger.info('from %s: %s' % (self.path.abspath(), msg))
-		try:
-			logfile = self.logger.handlers[0].baseFilename
-		except AttributeError:
-			pass
-		else:
-			if os.environ.get('WAF_PRINT_FAILURE_LOG'):
-				# see #1930
-				msg = 'Log from (%s):\n%s\n' % (logfile, Utils.readf(logfile))
-			else:
-				msg = '%s\n(complete log in %s)' % (msg, logfile)
-		raise self.errors.ConfigurationError(msg, ex=ex)
-
-	def to_log(self, msg):
-		"""
-		Logs information to the logger (if present), or to stderr.
-		Empty messages are not printed::
-
-			def build(bld):
-				bld.to_log('starting the build')
-
-		Provide a logger on the context class or override this method if necessary.
-
-		:param msg: message
-		:type msg: string
-		"""
-		if not msg:
-			return
-		if self.logger:
-			self.logger.info(msg)
-		else:
-			sys.stderr.write(str(msg))
-			sys.stderr.flush()
-
-
-	def msg(self, *k, **kw):
-		"""
-		Prints a configuration message of the form ``msg: result``.
-		The second part of the message will be in colors. The output
-		can be disabled easly by setting ``in_msg`` to a positive value::
-
-			def configure(conf):
-				self.in_msg = 1
-				conf.msg('Checking for library foo', 'ok')
-				# no output
-
-		:param msg: message to display to the user
-		:type msg: string
-		:param result: result to display
-		:type result: string or boolean
-		:param color: color to use, see :py:const:`waflib.Logs.colors_lst`
-		:type color: string
-		"""
-		try:
-			msg = kw['msg']
-		except KeyError:
-			msg = k[0]
-
-		self.start_msg(msg, **kw)
-
-		try:
-			result = kw['result']
-		except KeyError:
-			result = k[1]
-
-		color = kw.get('color')
-		if not isinstance(color, str):
-			color = result and 'GREEN' or 'YELLOW'
-
-		self.end_msg(result, color, **kw)
-
-	def start_msg(self, *k, **kw):
-		"""
-		Prints the beginning of a 'Checking for xxx' message. See :py:meth:`waflib.Context.Context.msg`
-		"""
-		if kw.get('quiet'):
-			return
-
-		msg = kw.get('msg') or k[0]
-		try:
-			if self.in_msg:
-				self.in_msg += 1
-				return
-		except AttributeError:
-			self.in_msg = 0
-		self.in_msg += 1
-
-		try:
-			self.line_just = max(self.line_just, len(msg))
-		except AttributeError:
-			self.line_just = max(40, len(msg))
-		for x in (self.line_just * '-', msg):
-			self.to_log(x)
-		Logs.pprint('NORMAL', "%s :" % msg.ljust(self.line_just), sep='')
-
-	def end_msg(self, *k, **kw):
-		"""Prints the end of a 'Checking for' message. See :py:meth:`waflib.Context.Context.msg`"""
-		if kw.get('quiet'):
-			return
-		self.in_msg -= 1
-		if self.in_msg:
-			return
-
-		result = kw.get('result') or k[0]
-
-		defcolor = 'GREEN'
-		if result is True:
-			msg = 'ok'
-		elif not result:
-			msg = 'not found'
-			defcolor = 'YELLOW'
-		else:
-			msg = str(result)
-
-		self.to_log(msg)
-		try:
-			color = kw['color']
-		except KeyError:
-			if len(k) > 1 and k[1] in Logs.colors_lst:
-				# compatibility waf 1.7
-				color = k[1]
-			else:
-				color = defcolor
-		Logs.pprint(color, msg)
-
-	def load_special_tools(self, var, ban=[]):
-		"""
-		Loads third-party extensions modules for certain programming languages
-		by trying to list certain files in the extras/ directory. This method
-		is typically called once for a programming language group, see for
-		example :py:mod:`waflib.Tools.compiler_c`
-
-		:param var: glob expression, for example 'cxx\\_\\*.py'
-		:type var: string
-		:param ban: list of exact file names to exclude
-		:type ban: list of string
-		"""
-		if os.path.isdir(waf_dir):
-			lst = self.root.find_node(waf_dir).find_node('waflib/extras').ant_glob(var)
-			for x in lst:
-				if not x.name in ban:
-					load_tool(x.name.replace('.py', ''))
-		else:
-			from zipfile import PyZipFile
-			waflibs = PyZipFile(waf_dir)
-			lst = waflibs.namelist()
-			for x in lst:
-				if not re.match('waflib/extras/%s' % var.replace('*', '.*'), var):
-					continue
-				f = os.path.basename(x)
-				doban = False
-				for b in ban:
-					r = b.replace('*', '.*')
-					if re.match(r, f):
-						doban = True
-				if not doban:
-					f = f.replace('.py', '')
-					load_tool(f)
-
-cache_modules = {}
-"""
-Dictionary holding already loaded modules (wscript), indexed by their absolute path.
-The modules are added automatically by :py:func:`waflib.Context.load_module`
-"""
-
-def load_module(path, encoding=None):
-	"""
-	Loads a wscript file as a python module. This method caches results in :py:attr:`waflib.Context.cache_modules`
-
-	:param path: file path
-	:type path: string
-	:return: Loaded Python module
-	:rtype: module
-	"""
-	try:
-		return cache_modules[path]
-	except KeyError:
-		pass
-
-	module = imp.new_module(WSCRIPT_FILE)
-	try:
-		code = Utils.readf(path, m='r', encoding=encoding)
-	except EnvironmentError:
-		raise Errors.WafError('Could not read the file %r' % path)
-
-	module_dir = os.path.dirname(path)
-	sys.path.insert(0, module_dir)
-	try:
-		exec(compile(code, path, 'exec'), module.__dict__)
-	finally:
-		sys.path.remove(module_dir)
-
-	cache_modules[path] = module
-	return module
-
-def load_tool(tool, tooldir=None, ctx=None, with_sys_path=True):
-	"""
-	Imports a Waf tool as a python module, and stores it in the dict :py:const:`waflib.Context.Context.tools`
-
-	:type  tool: string
-	:param tool: Name of the tool
-	:type  tooldir: list
-	:param tooldir: List of directories to search for the tool module
-	:type  with_sys_path: boolean
-	:param with_sys_path: whether or not to search the regular sys.path, besides waf_dir and potentially given tooldirs
-	"""
-	if tool == 'java':
-		tool = 'javaw' # jython
-	else:
-		tool = tool.replace('++', 'xx')
-
-	if not with_sys_path:
-		back_path = sys.path
-		sys.path = []
-	try:
-		if tooldir:
-			assert isinstance(tooldir, list)
-			sys.path = tooldir + sys.path
-			try:
-				__import__(tool)
-			except ImportError as e:
-				e.waf_sys_path = list(sys.path)
-				raise
-			finally:
-				for d in tooldir:
-					sys.path.remove(d)
-			ret = sys.modules[tool]
-			Context.tools[tool] = ret
-			return ret
-		else:
-			if not with_sys_path:
-				sys.path.insert(0, waf_dir)
-			try:
-				for x in ('waflib.Tools.%s', 'waflib.extras.%s', 'waflib.%s', '%s'):
-					try:
-						__import__(x % tool)
-						break
-					except ImportError:
-						x = None
-				else: # raise an exception
-					__import__(tool)
-			except ImportError as e:
-				e.waf_sys_path = list(sys.path)
-				raise
-			finally:
-				if not with_sys_path:
-					sys.path.remove(waf_dir)
-			ret = sys.modules[x % tool]
-			Context.tools[tool] = ret
-			return ret
-	finally:
-		if not with_sys_path:
-			sys.path += back_path
-
diff --git a/waflib/Errors.py b/waflib/Errors.py
deleted file mode 100644
index bf75c1b6..00000000
--- a/waflib/Errors.py
+++ /dev/null
@@ -1,68 +0,0 @@
-#!/usr/bin/env python
-# encoding: utf-8
-# Thomas Nagy, 2010-2018 (ita)
-
-"""
-Exceptions used in the Waf code
-"""
-
-import traceback, sys
-
-class WafError(Exception):
-	"""Base class for all Waf errors"""
-	def __init__(self, msg='', ex=None):
-		"""
-		:param msg: error message
-		:type msg: string
-		:param ex: exception causing this error (optional)
-		:type ex: exception
-		"""
-		Exception.__init__(self)
-		self.msg = msg
-		assert not isinstance(msg, Exception)
-
-		self.stack = []
-		if ex:
-			if not msg:
-				self.msg = str(ex)
-			if isinstance(ex, WafError):
-				self.stack = ex.stack
-			else:
-				self.stack = traceback.extract_tb(sys.exc_info()[2])
-		self.stack += traceback.extract_stack()[:-1]
-		self.verbose_msg = ''.join(traceback.format_list(self.stack))
-
-	def __str__(self):
-		return str(self.msg)
-
-class BuildError(WafError):
-	"""Error raised during the build and install phases"""
-	def __init__(self, error_tasks=[]):
-		"""
-		:param error_tasks: tasks that could not complete normally
-		:type error_tasks: list of task objects
-		"""
-		self.tasks = error_tasks
-		WafError.__init__(self, self.format_error())
-
-	def format_error(self):
-		"""Formats the error messages from the tasks that failed"""
-		lst = ['Build failed']
-		for tsk in self.tasks:
-			txt = tsk.format_error()
-			if txt:
-				lst.append(txt)
-		return '\n'.join(lst)
-
-class ConfigurationError(WafError):
-	"""Configuration exception raised in particular by :py:meth:`waflib.Context.Context.fatal`"""
-	pass
-
-class TaskRescan(WafError):
-	"""Task-specific exception type signalling required signature recalculations"""
-	pass
-
-class TaskNotReady(WafError):
-	"""Task-specific exception type signalling that task signatures cannot be computed"""
-	pass
-
diff --git a/waflib/Logs.py b/waflib/Logs.py
deleted file mode 100644
index 11dc34f3..00000000
--- a/waflib/Logs.py
+++ /dev/null
@@ -1,379 +0,0 @@
-#!/usr/bin/env python
-# encoding: utf-8
-# Thomas Nagy, 2005-2018 (ita)
-
-"""
-logging, colors, terminal width and pretty-print
-"""
-
-import os, re, traceback, sys
-from waflib import Utils, ansiterm
-
-if not os.environ.get('NOSYNC', False):
-	# synchronized output is nearly mandatory to prevent garbled output
-	if sys.stdout.isatty() and id(sys.stdout) == id(sys.__stdout__):
-		sys.stdout = ansiterm.AnsiTerm(sys.stdout)
-	if sys.stderr.isatty() and id(sys.stderr) == id(sys.__stderr__):
-		sys.stderr = ansiterm.AnsiTerm(sys.stderr)
-
-# import the logging module after since it holds a reference on sys.stderr
-# in case someone uses the root logger
-import logging
-
-LOG_FORMAT = os.environ.get('WAF_LOG_FORMAT', '%(asctime)s %(c1)s%(zone)s%(c2)s %(message)s')
-HOUR_FORMAT = os.environ.get('WAF_HOUR_FORMAT', '%H:%M:%S')
-
-zones = []
-"""
-See :py:class:`waflib.Logs.log_filter`
-"""
-
-verbose = 0
-"""
-Global verbosity level, see :py:func:`waflib.Logs.debug` and :py:func:`waflib.Logs.error`
-"""
-
-colors_lst = {
-'USE' : True,
-'BOLD'  :'\x1b[01;1m',
-'RED'   :'\x1b[01;31m',
-'GREEN' :'\x1b[32m',
-'YELLOW':'\x1b[33m',
-'PINK'  :'\x1b[35m',
-'BLUE'  :'\x1b[01;34m',
-'CYAN'  :'\x1b[36m',
-'GREY'  :'\x1b[37m',
-'NORMAL':'\x1b[0m',
-'cursor_on'  :'\x1b[?25h',
-'cursor_off' :'\x1b[?25l',
-}
-
-indicator = '\r\x1b[K%s%s%s'
-
-try:
-	unicode
-except NameError:
-	unicode = None
-
-def enable_colors(use):
-	"""
-	If *1* is given, then the system will perform a few verifications
-	before enabling colors, such as checking whether the interpreter
-	is running in a terminal. A value of zero will disable colors,
-	and a value above *1* will force colors.
-
-	:param use: whether to enable colors or not
-	:type use: integer
-	"""
-	if use == 1:
-		if not (sys.stderr.isatty() or sys.stdout.isatty()):
-			use = 0
-		if Utils.is_win32 and os.name != 'java':
-			term = os.environ.get('TERM', '') # has ansiterm
-		else:
-			term = os.environ.get('TERM', 'dumb')
-
-		if term in ('dumb', 'emacs'):
-			use = 0
-
-	if use >= 1:
-		os.environ['TERM'] = 'vt100'
-
-	colors_lst['USE'] = use
-
-# If console packages are available, replace the dummy function with a real
-# implementation
-try:
-	get_term_cols = ansiterm.get_term_cols
-except AttributeError:
-	def get_term_cols():
-		return 80
-
-get_term_cols.__doc__ = """
-	Returns the console width in characters.
-
-	:return: the number of characters per line
-	:rtype: int
-	"""
-
-def get_color(cl):
-	"""
-	Returns the ansi sequence corresponding to the given color name.
-	An empty string is returned when coloring is globally disabled.
-
-	:param cl: color name in capital letters
-	:type cl: string
-	"""
-	if colors_lst['USE']:
-		return colors_lst.get(cl, '')
-	return ''
-
-class color_dict(object):
-	"""attribute-based color access, eg: colors.PINK"""
-	def __getattr__(self, a):
-		return get_color(a)
-	def __call__(self, a):
-		return get_color(a)
-
-colors = color_dict()
-
-re_log = re.compile(r'(\w+): (.*)', re.M)
-class log_filter(logging.Filter):
-	"""
-	Waf logs are of the form 'name: message', and can be filtered by 'waf --zones=name'.
-	For example, the following::
-
-		from waflib import Logs
-		Logs.debug('test: here is a message')
-
-	Will be displayed only when executing::
-
-		$ waf --zones=test
-	"""
-	def __init__(self, name=''):
-		logging.Filter.__init__(self, name)
-
-	def filter(self, rec):
-		"""
-		Filters log records by zone and by logging level
-
-		:param rec: log entry
-		"""
-		rec.zone = rec.module
-		if rec.levelno >= logging.INFO:
-			return True
-
-		m = re_log.match(rec.msg)
-		if m:
-			rec.zone = m.group(1)
-			rec.msg = m.group(2)
-
-		if zones:
-			return getattr(rec, 'zone', '') in zones or '*' in zones
-		elif not verbose > 2:
-			return False
-		return True
-
-class log_handler(logging.StreamHandler):
-	"""Dispatches messages to stderr/stdout depending on the severity level"""
-	def emit(self, record):
-		"""
-		Delegates the functionality to :py:meth:`waflib.Log.log_handler.emit_override`
-		"""
-		# default implementation
-		try:
-			try:
-				self.stream = record.stream
-			except AttributeError:
-				if record.levelno >= logging.WARNING:
-					record.stream = self.stream = sys.stderr
-				else:
-					record.stream = self.stream = sys.stdout
-			self.emit_override(record)
-			self.flush()
-		except (KeyboardInterrupt, SystemExit):
-			raise
-		except: # from the python library -_-
-			self.handleError(record)
-
-	def emit_override(self, record, **kw):
-		"""
-		Writes the log record to the desired stream (stderr/stdout)
-		"""
-		self.terminator = getattr(record, 'terminator', '\n')
-		stream = self.stream
-		if unicode:
-			# python2
-			msg = self.formatter.format(record)
-			fs = '%s' + self.terminator
-			try:
-				if (isinstance(msg, unicode) and getattr(stream, 'encoding', None)):
-					fs = fs.decode(stream.encoding)
-					try:
-						stream.write(fs % msg)
-					except UnicodeEncodeError:
-						stream.write((fs % msg).encode(stream.encoding))
-				else:
-					stream.write(fs % msg)
-			except UnicodeError:
-				stream.write((fs % msg).encode('utf-8'))
-		else:
-			logging.StreamHandler.emit(self, record)
-
-class formatter(logging.Formatter):
-	"""Simple log formatter which handles colors"""
-	def __init__(self):
-		logging.Formatter.__init__(self, LOG_FORMAT, HOUR_FORMAT)
-
-	def format(self, rec):
-		"""
-		Formats records and adds colors as needed. The records do not get
-		a leading hour format if the logging level is above *INFO*.
-		"""
-		try:
-			msg = rec.msg.decode('utf-8')
-		except Exception:
-			msg = rec.msg
-
-		use = colors_lst['USE']
-		if (use == 1 and rec.stream.isatty()) or use == 2:
-
-			c1 = getattr(rec, 'c1', None)
-			if c1 is None:
-				c1 = ''
-				if rec.levelno >= logging.ERROR:
-					c1 = colors.RED
-				elif rec.levelno >= logging.WARNING:
-					c1 = colors.YELLOW
-				elif rec.levelno >= logging.INFO:
-					c1 = colors.GREEN
-			c2 = getattr(rec, 'c2', colors.NORMAL)
-			msg = '%s%s%s' % (c1, msg, c2)
-		else:
-			# remove single \r that make long lines in text files
-			# and other terminal commands
-			msg = re.sub(r'\r(?!\n)|\x1B\[(K|.*?(m|h|l))', '', msg)
-
-		if rec.levelno >= logging.INFO:
-			# the goal of this is to format without the leading "Logs, hour" prefix
-			if rec.args:
-				return msg % rec.args
-			return msg
-
-		rec.msg = msg
-		rec.c1 = colors.PINK
-		rec.c2 = colors.NORMAL
-		return logging.Formatter.format(self, rec)
-
-log = None
-"""global logger for Logs.debug, Logs.error, etc"""
-
-def debug(*k, **kw):
-	"""
-	Wraps logging.debug and discards messages if the verbosity level :py:attr:`waflib.Logs.verbose` ≤ 0
-	"""
-	if verbose:
-		k = list(k)
-		k[0] = k[0].replace('\n', ' ')
-		log.debug(*k, **kw)
-
-def error(*k, **kw):
-	"""
-	Wrap logging.errors, adds the stack trace when the verbosity level :py:attr:`waflib.Logs.verbose` ≥ 2
-	"""
-	log.error(*k, **kw)
-	if verbose > 2:
-		st = traceback.extract_stack()
-		if st:
-			st = st[:-1]
-			buf = []
-			for filename, lineno, name, line in st:
-				buf.append('  File %r, line %d, in %s' % (filename, lineno, name))
-				if line:
-					buf.append('	%s' % line.strip())
-			if buf:
-				log.error('\n'.join(buf))
-
-def warn(*k, **kw):
-	"""
-	Wraps logging.warning
-	"""
-	log.warning(*k, **kw)
-
-def info(*k, **kw):
-	"""
-	Wraps logging.info
-	"""
-	log.info(*k, **kw)
-
-def init_log():
-	"""
-	Initializes the logger :py:attr:`waflib.Logs.log`
-	"""
-	global log
-	log = logging.getLogger('waflib')
-	log.handlers = []
-	log.filters = []
-	hdlr = log_handler()
-	hdlr.setFormatter(formatter())
-	log.addHandler(hdlr)
-	log.addFilter(log_filter())
-	log.setLevel(logging.DEBUG)
-
-def make_logger(path, name):
-	"""
-	Creates a simple logger, which is often used to redirect the context command output::
-
-		from waflib import Logs
-		bld.logger = Logs.make_logger('test.log', 'build')
-		bld.check(header_name='sadlib.h', features='cxx cprogram', mandatory=False)
-
-		# have the file closed immediately
-		Logs.free_logger(bld.logger)
-
-		# stop logging
-		bld.logger = None
-
-	The method finalize() of the command will try to free the logger, if any
-
-	:param path: file name to write the log output to
-	:type path: string
-	:param name: logger name (loggers are reused)
-	:type name: string
-	"""
-	logger = logging.getLogger(name)
-	if sys.hexversion > 0x3000000:
-		encoding = sys.stdout.encoding
-	else:
-		encoding = None
-	hdlr = logging.FileHandler(path, 'w', encoding=encoding)
-	formatter = logging.Formatter('%(message)s')
-	hdlr.setFormatter(formatter)
-	logger.addHandler(hdlr)
-	logger.setLevel(logging.DEBUG)
-	return logger
-
-def make_mem_logger(name, to_log, size=8192):
-	"""
-	Creates a memory logger to avoid writing concurrently to the main logger
-	"""
-	from logging.handlers import MemoryHandler
-	logger = logging.getLogger(name)
-	hdlr = MemoryHandler(size, target=to_log)
-	formatter = logging.Formatter('%(message)s')
-	hdlr.setFormatter(formatter)
-	logger.addHandler(hdlr)
-	logger.memhandler = hdlr
-	logger.setLevel(logging.DEBUG)
-	return logger
-
-def free_logger(logger):
-	"""
-	Frees the resources held by the loggers created through make_logger or make_mem_logger.
-	This is used for file cleanup and for handler removal (logger objects are re-used).
-	"""
-	try:
-		for x in logger.handlers:
-			x.close()
-			logger.removeHandler(x)
-	except Exception:
-		pass
-
-def pprint(col, msg, label='', sep='\n'):
-	"""
-	Prints messages in color immediately on stderr::
-
-		from waflib import Logs
-		Logs.pprint('RED', 'Something bad just happened')
-
-	:param col: color name to use in :py:const:`Logs.colors_lst`
-	:type col: string
-	:param msg: message to display
-	:type msg: string or a value that can be printed by %s
-	:param label: a message to add after the colored output
-	:type label: string
-	:param sep: a string to append at the end (line separator)
-	:type sep: string
-	"""
-	info('%s%s%s %s', colors(col), msg, colors.NORMAL, label, extra={'terminator':sep})
-
diff --git a/waflib/Node.py b/waflib/Node.py
deleted file mode 100644
index 4ac1ea8a..00000000
--- a/waflib/Node.py
+++ /dev/null
@@ -1,970 +0,0 @@
-#!/usr/bin/env python
-# encoding: utf-8
-# Thomas Nagy, 2005-2018 (ita)
-
-"""
-Node: filesystem structure
-
-#. Each file/folder is represented by exactly one node.
-
-#. Some potential class properties are stored on :py:class:`waflib.Build.BuildContext` : nodes to depend on, etc.
-   Unused class members can increase the `.wafpickle` file size sensibly.
-
-#. Node objects should never be created directly, use
-   the methods :py:func:`Node.make_node` or :py:func:`Node.find_node` for the low-level operations
-
-#. The methods :py:func:`Node.find_resource`, :py:func:`Node.find_dir` :py:func:`Node.find_or_declare` must be
-   used when a build context is present
-
-#. Each instance of :py:class:`waflib.Context.Context` has a unique :py:class:`Node` subclass required for serialization.
-   (:py:class:`waflib.Node.Nod3`, see the :py:class:`waflib.Context.Context` initializer). A reference to the context
-   owning a node is held as *self.ctx*
-"""
-
-import os, re, sys, shutil
-from waflib import Utils, Errors
-
-exclude_regs = '''
-**/*~
-**/#*#
-**/.#*
-**/%*%
-**/._*
-**/*.swp
-**/CVS
-**/CVS/**
-**/.cvsignore
-**/SCCS
-**/SCCS/**
-**/vssver.scc
-**/.svn
-**/.svn/**
-**/BitKeeper
-**/.git
-**/.git/**
-**/.gitignore
-**/.bzr
-**/.bzrignore
-**/.bzr/**
-**/.hg
-**/.hg/**
-**/_MTN
-**/_MTN/**
-**/.arch-ids
-**/{arch}
-**/_darcs
-**/_darcs/**
-**/.intlcache
-**/.DS_Store'''
-"""
-Ant patterns for files and folders to exclude while doing the
-recursive traversal in :py:meth:`waflib.Node.Node.ant_glob`
-"""
-
-def ant_matcher(s, ignorecase):
-	reflags = re.I if ignorecase else 0
-	ret = []
-	for x in Utils.to_list(s):
-		x = x.replace('\\', '/').replace('//', '/')
-		if x.endswith('/'):
-			x += '**'
-		accu = []
-		for k in x.split('/'):
-			if k == '**':
-				accu.append(k)
-			else:
-				k = k.replace('.', '[.]').replace('*','.*').replace('?', '.').replace('+', '\\+')
-				k = '^%s$' % k
-				try:
-					exp = re.compile(k, flags=reflags)
-				except Exception as e:
-					raise Errors.WafError('Invalid pattern: %s' % k, e)
-				else:
-					accu.append(exp)
-		ret.append(accu)
-	return ret
-
-def ant_sub_filter(name, nn):
-	ret = []
-	for lst in nn:
-		if not lst:
-			pass
-		elif lst[0] == '**':
-			ret.append(lst)
-			if len(lst) > 1:
-				if lst[1].match(name):
-					ret.append(lst[2:])
-			else:
-				ret.append([])
-		elif lst[0].match(name):
-			ret.append(lst[1:])
-	return ret
-
-def ant_sub_matcher(name, pats):
-	nacc = ant_sub_filter(name, pats[0])
-	nrej = ant_sub_filter(name, pats[1])
-	if [] in nrej:
-		nacc = []
-	return [nacc, nrej]
-
-class Node(object):
-	"""
-	This class is organized in two parts:
-
-	* The basic methods meant for filesystem access (compute paths, create folders, etc)
-	* The methods bound to a :py:class:`waflib.Build.BuildContext` (require ``bld.srcnode`` and ``bld.bldnode``)
-	"""
-
-	dict_class = dict
-	"""
-	Subclasses can provide a dict class to enable case insensitivity for example.
-	"""
-
-	__slots__ = ('name', 'parent', 'children', 'cache_abspath', 'cache_isdir')
-	def __init__(self, name, parent):
-		"""
-		.. note:: Use :py:func:`Node.make_node` or :py:func:`Node.find_node` instead of calling this constructor
-		"""
-		self.name = name
-		self.parent = parent
-		if parent:
-			if name in parent.children:
-				raise Errors.WafError('node %s exists in the parent files %r already' % (name, parent))
-			parent.children[name] = self
-
-	def __setstate__(self, data):
-		"Deserializes node information, used for persistence"
-		self.name = data[0]
-		self.parent = data[1]
-		if data[2] is not None:
-			# Issue 1480
-			self.children = self.dict_class(data[2])
-
-	def __getstate__(self):
-		"Serializes node information, used for persistence"
-		return (self.name, self.parent, getattr(self, 'children', None))
-
-	def __str__(self):
-		"""
-		String representation (abspath), for debugging purposes
-
-		:rtype: string
-		"""
-		return self.abspath()
-
-	def __repr__(self):
-		"""
-		String representation (abspath), for debugging purposes
-
-		:rtype: string
-		"""
-		return self.abspath()
-
-	def __copy__(self):
-		"""
-		Provided to prevent nodes from being copied
-
-		:raises: :py:class:`waflib.Errors.WafError`
-		"""
-		raise Errors.WafError('nodes are not supposed to be copied')
-
-	def read(self, flags='r', encoding='latin-1'):
-		"""
-		Reads and returns the contents of the file represented by this node, see :py:func:`waflib.Utils.readf`::
-
-			def build(bld):
-				bld.path.find_node('wscript').read()
-
-		:param flags: Open mode
-		:type  flags: string
-		:param encoding: encoding value for Python3
-		:type encoding: string
-		:rtype: string or bytes
-		:return: File contents
-		"""
-		return Utils.readf(self.abspath(), flags, encoding)
-
-	def write(self, data, flags='w', encoding='latin-1'):
-		"""
-		Writes data to the file represented by this node, see :py:func:`waflib.Utils.writef`::
-
-			def build(bld):
-				bld.path.make_node('foo.txt').write('Hello, world!')
-
-		:param data: data to write
-		:type  data: string
-		:param flags: Write mode
-		:type  flags: string
-		:param encoding: encoding value for Python3
-		:type encoding: string
-		"""
-		Utils.writef(self.abspath(), data, flags, encoding)
-
-	def read_json(self, convert=True, encoding='utf-8'):
-		"""
-		Reads and parses the contents of this node as JSON (Python ≥ 2.6)::
-
-			def build(bld):
-				bld.path.find_node('abc.json').read_json()
-
-		Note that this by default automatically decodes unicode strings on Python2, unlike what the Python JSON module does.
-
-		:type  convert: boolean
-		:param convert: Prevents decoding of unicode strings on Python2
-		:type  encoding: string
-		:param encoding: The encoding of the file to read. This default to UTF8 as per the JSON standard
-		:rtype: object
-		:return: Parsed file contents
-		"""
-		import json # Python 2.6 and up
-		object_pairs_hook = None
-		if convert and sys.hexversion < 0x3000000:
-			try:
-				_type = unicode
-			except NameError:
-				_type = str
-
-			def convert(value):
-				if isinstance(value, list):
-					return [convert(element) for element in value]
-				elif isinstance(value, _type):
-					return str(value)
-				else:
-					return value
-
-			def object_pairs(pairs):
-				return dict((str(pair[0]), convert(pair[1])) for pair in pairs)
-
-			object_pairs_hook = object_pairs
-
-		return json.loads(self.read(encoding=encoding), object_pairs_hook=object_pairs_hook)
-
-	def write_json(self, data, pretty=True):
-		"""
-		Writes a python object as JSON to disk (Python ≥ 2.6) as UTF-8 data (JSON standard)::
-
-			def build(bld):
-				bld.path.find_node('xyz.json').write_json(199)
-
-		:type  data: object
-		:param data: The data to write to disk
-		:type  pretty: boolean
-		:param pretty: Determines if the JSON will be nicely space separated
-		"""
-		import json # Python 2.6 and up
-		indent = 2
-		separators = (',', ': ')
-		sort_keys = pretty
-		newline = os.linesep
-		if not pretty:
-			indent = None
-			separators = (',', ':')
-			newline = ''
-		output = json.dumps(data, indent=indent, separators=separators, sort_keys=sort_keys) + newline
-		self.write(output, encoding='utf-8')
-
-	def exists(self):
-		"""
-		Returns whether the Node is present on the filesystem
-
-		:rtype: bool
-		"""
-		return os.path.exists(self.abspath())
-
-	def isdir(self):
-		"""
-		Returns whether the Node represents a folder
-
-		:rtype: bool
-		"""
-		return os.path.isdir(self.abspath())
-
-	def chmod(self, val):
-		"""
-		Changes the file/dir permissions::
-
-			def build(bld):
-				bld.path.chmod(493) # 0755
-		"""
-		os.chmod(self.abspath(), val)
-
-	def delete(self, evict=True):
-		"""
-		Removes the file/folder from the filesystem (equivalent to `rm -rf`), and remove this object from the Node tree.
-		Do not use this object after calling this method.
-		"""
-		try:
-			try:
-				if os.path.isdir(self.abspath()):
-					shutil.rmtree(self.abspath())
-				else:
-					os.remove(self.abspath())
-			except OSError:
-				if os.path.exists(self.abspath()):
-					raise
-		finally:
-			if evict:
-				self.evict()
-
-	def evict(self):
-		"""
-		Removes this node from the Node tree
-		"""
-		del self.parent.children[self.name]
-
-	def suffix(self):
-		"""
-		Returns the file rightmost extension, for example `a.b.c.d → .d`
-
-		:rtype: string
-		"""
-		k = max(0, self.name.rfind('.'))
-		return self.name[k:]
-
-	def height(self):
-		"""
-		Returns the depth in the folder hierarchy from the filesystem root or from all the file drives
-
-		:returns: filesystem depth
-		:rtype: integer
-		"""
-		d = self
-		val = -1
-		while d:
-			d = d.parent
-			val += 1
-		return val
-
-	def listdir(self):
-		"""
-		Lists the folder contents
-
-		:returns: list of file/folder names ordered alphabetically
-		:rtype: list of string
-		"""
-		lst = Utils.listdir(self.abspath())
-		lst.sort()
-		return lst
-
-	def mkdir(self):
-		"""
-		Creates a folder represented by this node. Intermediate folders are created as needed.
-
-		:raises: :py:class:`waflib.Errors.WafError` when the folder is missing
-		"""
-		if self.isdir():
-			return
-
-		try:
-			self.parent.mkdir()
-		except OSError:
-			pass
-
-		if self.name:
-			try:
-				os.makedirs(self.abspath())
-			except OSError:
-				pass
-
-			if not self.isdir():
-				raise Errors.WafError('Could not create the directory %r' % self)
-
-			try:
-				self.children
-			except AttributeError:
-				self.children = self.dict_class()
-
-	def find_node(self, lst):
-		"""
-		Finds a node on the file system (files or folders), and creates the corresponding Node objects if it exists
-
-		:param lst: relative path
-		:type lst: string or list of string
-		:returns: The corresponding Node object or None if no entry was found on the filesystem
-		:rtype: :py:class:´waflib.Node.Node´
-		"""
-
-		if isinstance(lst, str):
-			lst = [x for x in Utils.split_path(lst) if x and x != '.']
-
-		if lst and lst[0].startswith('\\\\') and not self.parent:
-			node = self.ctx.root.make_node(lst[0])
-			node.cache_isdir = True
-			return node.find_node(lst[1:])
-
-		cur = self
-		for x in lst:
-			if x == '..':
-				cur = cur.parent or cur
-				continue
-
-			try:
-				ch = cur.children
-			except AttributeError:
-				cur.children = self.dict_class()
-			else:
-				try:
-					cur = ch[x]
-					continue
-				except KeyError:
-					pass
-
-			# optimistic: create the node first then look if it was correct to do so
-			cur = self.__class__(x, cur)
-			if not cur.exists():
-				cur.evict()
-				return None
-
-		if not cur.exists():
-			cur.evict()
-			return None
-
-		return cur
-
-	def make_node(self, lst):
-		"""
-		Returns or creates a Node object corresponding to the input path without considering the filesystem.
-
-		:param lst: relative path
-		:type lst: string or list of string
-		:rtype: :py:class:´waflib.Node.Node´
-		"""
-		if isinstance(lst, str):
-			lst = [x for x in Utils.split_path(lst) if x and x != '.']
-
-		cur = self
-		for x in lst:
-			if x == '..':
-				cur = cur.parent or cur
-				continue
-
-			try:
-				cur = cur.children[x]
-			except AttributeError:
-				cur.children = self.dict_class()
-			except KeyError:
-				pass
-			else:
-				continue
-			cur = self.__class__(x, cur)
-		return cur
-
-	def search_node(self, lst):
-		"""
-		Returns a Node previously defined in the data structure. The filesystem is not considered.
-
-		:param lst: relative path
-		:type lst: string or list of string
-		:rtype: :py:class:´waflib.Node.Node´ or None if there is no entry in the Node datastructure
-		"""
-		if isinstance(lst, str):
-			lst = [x for x in Utils.split_path(lst) if x and x != '.']
-
-		cur = self
-		for x in lst:
-			if x == '..':
-				cur = cur.parent or cur
-			else:
-				try:
-					cur = cur.children[x]
-				except (AttributeError, KeyError):
-					return None
-		return cur
-
-	def path_from(self, node):
-		"""
-		Path of this node seen from the other::
-
-			def build(bld):
-				n1 = bld.path.find_node('foo/bar/xyz.txt')
-				n2 = bld.path.find_node('foo/stuff/')
-				n1.path_from(n2) # '../bar/xyz.txt'
-
-		:param node: path to use as a reference
-		:type node: :py:class:`waflib.Node.Node`
-		:returns: a relative path or an absolute one if that is better
-		:rtype: string
-		"""
-		c1 = self
-		c2 = node
-
-		c1h = c1.height()
-		c2h = c2.height()
-
-		lst = []
-		up = 0
-
-		while c1h > c2h:
-			lst.append(c1.name)
-			c1 = c1.parent
-			c1h -= 1
-
-		while c2h > c1h:
-			up += 1
-			c2 = c2.parent
-			c2h -= 1
-
-		while not c1 is c2:
-			lst.append(c1.name)
-			up += 1
-
-			c1 = c1.parent
-			c2 = c2.parent
-
-		if c1.parent:
-			lst.extend(['..'] * up)
-			lst.reverse()
-			return os.sep.join(lst) or '.'
-		else:
-			return self.abspath()
-
-	def abspath(self):
-		"""
-		Returns the absolute path. A cache is kept in the context as ``cache_node_abspath``
-
-		:rtype: string
-		"""
-		try:
-			return self.cache_abspath
-		except AttributeError:
-			pass
-		# think twice before touching this (performance + complexity + correctness)
-
-		if not self.parent:
-			val = os.sep
-		elif not self.parent.name:
-			val = os.sep + self.name
-		else:
-			val = self.parent.abspath() + os.sep + self.name
-		self.cache_abspath = val
-		return val
-
-	if Utils.is_win32:
-		def abspath(self):
-			try:
-				return self.cache_abspath
-			except AttributeError:
-				pass
-			if not self.parent:
-				val = ''
-			elif not self.parent.name:
-				val = self.name + os.sep
-			else:
-				val = self.parent.abspath().rstrip(os.sep) + os.sep + self.name
-			self.cache_abspath = val
-			return val
-
-	def is_child_of(self, node):
-		"""
-		Returns whether the object belongs to a subtree of the input node::
-
-			def build(bld):
-				node = bld.path.find_node('wscript')
-				node.is_child_of(bld.path) # True
-
-		:param node: path to use as a reference
-		:type node: :py:class:`waflib.Node.Node`
-		:rtype: bool
-		"""
-		p = self
-		diff = self.height() - node.height()
-		while diff > 0:
-			diff -= 1
-			p = p.parent
-		return p is node
-
-	def ant_iter(self, accept=None, maxdepth=25, pats=[], dir=False, src=True, remove=True, quiet=False):
-		"""
-		Recursive method used by :py:meth:`waflib.Node.ant_glob`.
-
-		:param accept: function used for accepting/rejecting a node, returns the patterns that can be still accepted in recursion
-		:type accept: function
-		:param maxdepth: maximum depth in the filesystem (25)
-		:type maxdepth: int
-		:param pats: list of patterns to accept and list of patterns to exclude
-		:type pats: tuple
-		:param dir: return folders too (False by default)
-		:type dir: bool
-		:param src: return files (True by default)
-		:type src: bool
-		:param remove: remove files/folders that do not exist (True by default)
-		:type remove: bool
-		:param quiet: disable build directory traversal warnings (verbose mode)
-		:type quiet: bool
-		:returns: A generator object to iterate from
-		:rtype: iterator
-		"""
-		dircont = self.listdir()
-		dircont.sort()
-
-		try:
-			lst = set(self.children.keys())
-		except AttributeError:
-			self.children = self.dict_class()
-		else:
-			if remove:
-				for x in lst - set(dircont):
-					self.children[x].evict()
-
-		for name in dircont:
-			npats = accept(name, pats)
-			if npats and npats[0]:
-				accepted = [] in npats[0]
-
-				node = self.make_node([name])
-
-				isdir = node.isdir()
-				if accepted:
-					if isdir:
-						if dir:
-							yield node
-					elif src:
-						yield node
-
-				if isdir:
-					node.cache_isdir = True
-					if maxdepth:
-						for k in node.ant_iter(accept=accept, maxdepth=maxdepth - 1, pats=npats, dir=dir, src=src, remove=remove, quiet=quiet):
-							yield k
-
-	def ant_glob(self, *k, **kw):
-		"""
-		Finds files across folders and returns Node objects:
-
-		* ``**/*`` find all files recursively
-		* ``**/*.class`` find all files ending by .class
-		* ``..`` find files having two dot characters
-
-		For example::
-
-			def configure(cfg):
-				# find all .cpp files
-				cfg.path.ant_glob('**/*.cpp')
-				# find particular files from the root filesystem (can be slow)
-				cfg.root.ant_glob('etc/*.txt')
-				# simple exclusion rule example
-				cfg.path.ant_glob('*.c*', excl=['*.c'], src=True, dir=False)
-
-		For more information about the patterns, consult http://ant.apache.org/manual/dirtasks.html
-		Please remember that the '..' sequence does not represent the parent directory::
-
-			def configure(cfg):
-				cfg.path.ant_glob('../*.h') # incorrect
-				cfg.path.parent.ant_glob('*.h') # correct
-
-		The Node structure is itself a filesystem cache, so certain precautions must
-		be taken while matching files in the build or installation phases.
-		Nodes objects that do have a corresponding file or folder are garbage-collected by default.
-		This garbage collection is usually required to prevent returning files that do not
-		exist anymore. Yet, this may also remove Node objects of files that are yet-to-be built.
-
-		This typically happens when trying to match files in the build directory,
-		but there are also cases when files are created in the source directory.
-		Run ``waf -v`` to display any warnings, and try consider passing ``remove=False``
-		when matching files in the build directory.
-
-		Since ant_glob can traverse both source and build folders, it is a best practice
-		to call this method only from the most specific build node::
-
-			def build(bld):
-				# traverses the build directory, may need ``remove=False``:
-				bld.path.ant_glob('project/dir/**/*.h')
-				# better, no accidental build directory traversal:
-				bld.path.find_node('project/dir').ant_glob('**/*.h') # best
-
-		In addition, files and folders are listed immediately. When matching files in the
-		build folders, consider passing ``generator=True`` so that the generator object
-		returned can defer computation to a later stage. For example::
-
-			def build(bld):
-				bld(rule='tar xvf ${SRC}', source='arch.tar')
-				bld.add_group()
-				gen = bld.bldnode.ant_glob("*.h", generator=True, remove=True)
-				# files will be listed only after the arch.tar is unpacked
-				bld(rule='ls ${SRC}', source=gen, name='XYZ')
-
-
-		:param incl: ant patterns or list of patterns to include
-		:type incl: string or list of strings
-		:param excl: ant patterns or list of patterns to exclude
-		:type excl: string or list of strings
-		:param dir: return folders too (False by default)
-		:type dir: bool
-		:param src: return files (True by default)
-		:type src: bool
-		:param maxdepth: maximum depth of recursion
-		:type maxdepth: int
-		:param ignorecase: ignore case while matching (False by default)
-		:type ignorecase: bool
-		:param generator: Whether to evaluate the Nodes lazily
-		:type generator: bool
-		:param remove: remove files/folders that do not exist (True by default)
-		:type remove: bool
-		:param quiet: disable build directory traversal warnings (verbose mode)
-		:type quiet: bool
-		:returns: The corresponding Node objects as a list or as a generator object (generator=True)
-		:rtype: by default, list of :py:class:`waflib.Node.Node` instances
-		"""
-		src = kw.get('src', True)
-		dir = kw.get('dir')
-		excl = kw.get('excl', exclude_regs)
-		incl = k and k[0] or kw.get('incl', '**')
-		remove = kw.get('remove', True)
-		maxdepth = kw.get('maxdepth', 25)
-		ignorecase = kw.get('ignorecase', False)
-		quiet = kw.get('quiet', False)
-		pats = (ant_matcher(incl, ignorecase), ant_matcher(excl, ignorecase))
-
-		if kw.get('generator'):
-			return Utils.lazy_generator(self.ant_iter, (ant_sub_matcher, maxdepth, pats, dir, src, remove, quiet))
-
-		it = self.ant_iter(ant_sub_matcher, maxdepth, pats, dir, src, remove, quiet)
-		if kw.get('flat'):
-			# returns relative paths as a space-delimited string
-			# prefer Node objects whenever possible
-			return ' '.join(x.path_from(self) for x in it)
-		return list(it)
-
-	# ----------------------------------------------------------------------------
-	# the methods below require the source/build folders (bld.srcnode/bld.bldnode)
-
-	def is_src(self):
-		"""
-		Returns True if the node is below the source directory. Note that ``!is_src() ≠ is_bld()``
-
-		:rtype: bool
-		"""
-		cur = self
-		x = self.ctx.srcnode
-		y = self.ctx.bldnode
-		while cur.parent:
-			if cur is y:
-				return False
-			if cur is x:
-				return True
-			cur = cur.parent
-		return False
-
-	def is_bld(self):
-		"""
-		Returns True if the node is below the build directory. Note that ``!is_bld() ≠ is_src()``
-
-		:rtype: bool
-		"""
-		cur = self
-		y = self.ctx.bldnode
-		while cur.parent:
-			if cur is y:
-				return True
-			cur = cur.parent
-		return False
-
-	def get_src(self):
-		"""
-		Returns the corresponding Node object in the source directory (or self if already
-		under the source directory). Use this method only if the purpose is to create
-		a Node object (this is common with folders but not with files, see ticket 1937)
-
-		:rtype: :py:class:`waflib.Node.Node`
-		"""
-		cur = self
-		x = self.ctx.srcnode
-		y = self.ctx.bldnode
-		lst = []
-		while cur.parent:
-			if cur is y:
-				lst.reverse()
-				return x.make_node(lst)
-			if cur is x:
-				return self
-			lst.append(cur.name)
-			cur = cur.parent
-		return self
-
-	def get_bld(self):
-		"""
-		Return the corresponding Node object in the build directory (or self if already
-		under the build directory). Use this method only if the purpose is to create
-		a Node object (this is common with folders but not with files, see ticket 1937)
-
-		:rtype: :py:class:`waflib.Node.Node`
-		"""
-		cur = self
-		x = self.ctx.srcnode
-		y = self.ctx.bldnode
-		lst = []
-		while cur.parent:
-			if cur is y:
-				return self
-			if cur is x:
-				lst.reverse()
-				return self.ctx.bldnode.make_node(lst)
-			lst.append(cur.name)
-			cur = cur.parent
-		# the file is external to the current project, make a fake root in the current build directory
-		lst.reverse()
-		if lst and Utils.is_win32 and len(lst[0]) == 2 and lst[0].endswith(':'):
-			lst[0] = lst[0][0]
-		return self.ctx.bldnode.make_node(['__root__'] + lst)
-
-	def find_resource(self, lst):
-		"""
-		Use this method in the build phase to find source files corresponding to the relative path given.
-
-		First it looks up the Node data structure to find any declared Node object in the build directory.
-		If None is found, it then considers the filesystem in the source directory.
-
-		:param lst: relative path
-		:type lst: string or list of string
-		:returns: the corresponding Node object or None
-		:rtype: :py:class:`waflib.Node.Node`
-		"""
-		if isinstance(lst, str):
-			lst = [x for x in Utils.split_path(lst) if x and x != '.']
-
-		node = self.get_bld().search_node(lst)
-		if not node:
-			node = self.get_src().find_node(lst)
-		if node and node.isdir():
-			return None
-		return node
-
-	def find_or_declare(self, lst):
-		"""
-		Use this method in the build phase to declare output files which
-		are meant to be written in the build directory.
-
-		This method creates the Node object and its parent folder
-		as needed.
-
-		:param lst: relative path
-		:type lst: string or list of string
-		"""
-		if isinstance(lst, str) and os.path.isabs(lst):
-			node = self.ctx.root.make_node(lst)
-		else:
-			node = self.get_bld().make_node(lst)
-		node.parent.mkdir()
-		return node
-
-	def find_dir(self, lst):
-		"""
-		Searches for a folder on the filesystem (see :py:meth:`waflib.Node.Node.find_node`)
-
-		:param lst: relative path
-		:type lst: string or list of string
-		:returns: The corresponding Node object or None if there is no such folder
-		:rtype: :py:class:`waflib.Node.Node`
-		"""
-		if isinstance(lst, str):
-			lst = [x for x in Utils.split_path(lst) if x and x != '.']
-
-		node = self.find_node(lst)
-		if node and not node.isdir():
-			return None
-		return node
-
-	# helpers for building things
-	def change_ext(self, ext, ext_in=None):
-		"""
-		Declares a build node with a distinct extension; this is uses :py:meth:`waflib.Node.Node.find_or_declare`
-
-		:return: A build node of the same path, but with a different extension
-		:rtype: :py:class:`waflib.Node.Node`
-		"""
-		name = self.name
-		if ext_in is None:
-			k = name.rfind('.')
-			if k >= 0:
-				name = name[:k] + ext
-			else:
-				name = name + ext
-		else:
-			name = name[:- len(ext_in)] + ext
-
-		return self.parent.find_or_declare([name])
-
-	def bldpath(self):
-		"""
-		Returns the relative path seen from the build directory ``src/foo.cpp``
-
-		:rtype: string
-		"""
-		return self.path_from(self.ctx.bldnode)
-
-	def srcpath(self):
-		"""
-		Returns the relative path seen from the source directory ``../src/foo.cpp``
-
-		:rtype: string
-		"""
-		return self.path_from(self.ctx.srcnode)
-
-	def relpath(self):
-		"""
-		If a file in the build directory, returns :py:meth:`waflib.Node.Node.bldpath`,
-		else returns :py:meth:`waflib.Node.Node.srcpath`
-
-		:rtype: string
-		"""
-		cur = self
-		x = self.ctx.bldnode
-		while cur.parent:
-			if cur is x:
-				return self.bldpath()
-			cur = cur.parent
-		return self.srcpath()
-
-	def bld_dir(self):
-		"""
-		Equivalent to self.parent.bldpath()
-
-		:rtype: string
-		"""
-		return self.parent.bldpath()
-
-	def h_file(self):
-		"""
-		See :py:func:`waflib.Utils.h_file`
-
-		:return: a hash representing the file contents
-		:rtype: string or bytes
-		"""
-		return Utils.h_file(self.abspath())
-
-	def get_bld_sig(self):
-		"""
-		Returns a signature (see :py:meth:`waflib.Node.Node.h_file`) for the purpose
-		of build dependency calculation. This method uses a per-context cache.
-
-		:return: a hash representing the object contents
-		:rtype: string or bytes
-		"""
-		# previous behaviour can be set by returning self.ctx.node_sigs[self] when a build node
-		try:
-			cache = self.ctx.cache_sig
-		except AttributeError:
-			cache = self.ctx.cache_sig = {}
-		try:
-			ret = cache[self]
-		except KeyError:
-			p = self.abspath()
-			try:
-				ret = cache[self] = self.h_file()
-			except EnvironmentError:
-				if self.isdir():
-					# allow folders as build nodes, do not use the creation time
-					st = os.stat(p)
-					ret = cache[self] = Utils.h_list([p, st.st_ino, st.st_mode])
-					return ret
-				raise
-		return ret
-
-pickle_lock = Utils.threading.Lock()
-"""Lock mandatory for thread-safe node serialization"""
-
-class Nod3(Node):
-	"""Mandatory subclass for thread-safe node serialization"""
-	pass # do not remove
-
-
diff --git a/waflib/Options.py b/waflib/Options.py
deleted file mode 100644
index ad802d4b..00000000
--- a/waflib/Options.py
+++ /dev/null
@@ -1,342 +0,0 @@
-#!/usr/bin/env python
-# encoding: utf-8
-# Scott Newton, 2005 (scottn)
-# Thomas Nagy, 2006-2018 (ita)
-
-"""
-Support for waf command-line options
-
-Provides default and command-line options, as well the command
-that reads the ``options`` wscript function.
-"""
-
-import os, tempfile, optparse, sys, re
-from waflib import Logs, Utils, Context, Errors
-
-options = optparse.Values()
-"""
-A global dictionary representing user-provided command-line options::
-
-	$ waf --foo=bar
-"""
-
-commands = []
-"""
-List of commands to execute extracted from the command-line. This list
-is consumed during the execution by :py:func:`waflib.Scripting.run_commands`.
-"""
-
-envvars = []
-"""
-List of environment variable declarations placed after the Waf executable name.
-These are detected by searching for "=" in the remaining arguments.
-You probably do not want to use this.
-"""
-
-lockfile = os.environ.get('WAFLOCK', '.lock-waf_%s_build' % sys.platform)
-"""
-Name of the lock file that marks a project as configured
-"""
-
-class opt_parser(optparse.OptionParser):
-	"""
-	Command-line options parser.
-	"""
-	def __init__(self, ctx, allow_unknown=False):
-		optparse.OptionParser.__init__(self, conflict_handler='resolve', add_help_option=False,
-			version='waf %s (%s)' % (Context.WAFVERSION, Context.WAFREVISION))
-		self.formatter.width = Logs.get_term_cols()
-		self.ctx = ctx
-		self.allow_unknown = allow_unknown
-
-	def _process_args(self, largs, rargs, values):
-		"""
-		Custom _process_args to allow unknown options according to the allow_unknown status
-		"""
-		while rargs:
-			try:
-				optparse.OptionParser._process_args(self,largs,rargs,values)
-			except (optparse.BadOptionError, optparse.AmbiguousOptionError) as e:
-				if self.allow_unknown:
-					largs.append(e.opt_str)
-				else:
-					self.error(str(e))
-
-	def print_usage(self, file=None):
-		return self.print_help(file)
-
-	def get_usage(self):
-		"""
-		Builds the message to print on ``waf --help``
-
-		:rtype: string
-		"""
-		cmds_str = {}
-		for cls in Context.classes:
-			if not cls.cmd or cls.cmd == 'options' or cls.cmd.startswith( '_' ):
-				continue
-
-			s = cls.__doc__ or ''
-			cmds_str[cls.cmd] = s
-
-		if Context.g_module:
-			for (k, v) in Context.g_module.__dict__.items():
-				if k in ('options', 'init', 'shutdown'):
-					continue
-
-				if type(v) is type(Context.create_context):
-					if v.__doc__ and not k.startswith('_'):
-						cmds_str[k] = v.__doc__
-
-		just = 0
-		for k in cmds_str:
-			just = max(just, len(k))
-
-		lst = ['  %s: %s' % (k.ljust(just), v) for (k, v) in cmds_str.items()]
-		lst.sort()
-		ret = '\n'.join(lst)
-
-		return '''waf [commands] [options]
-
-Main commands (example: ./waf build -j4)
-%s
-''' % ret
-
-
-class OptionsContext(Context.Context):
-	"""
-	Collects custom options from wscript files and parses the command line.
-	Sets the global :py:const:`waflib.Options.commands` and :py:const:`waflib.Options.options` values.
-	"""
-	cmd = 'options'
-	fun = 'options'
-
-	def __init__(self, **kw):
-		super(OptionsContext, self).__init__(**kw)
-
-		self.parser = opt_parser(self)
-		"""Instance of :py:class:`waflib.Options.opt_parser`"""
-
-		self.option_groups = {}
-
-		jobs = self.jobs()
-		p = self.add_option
-		color = os.environ.get('NOCOLOR', '') and 'no' or 'auto'
-		if os.environ.get('CLICOLOR', '') == '0':
-			color = 'no'
-		elif os.environ.get('CLICOLOR_FORCE', '') == '1':
-			color = 'yes'
-		p('-c', '--color',    dest='colors',  default=color, action='store', help='whether to use colors (yes/no/auto) [default: auto]', choices=('yes', 'no', 'auto'))
-		p('-j', '--jobs',     dest='jobs',    default=jobs,  type='int', help='amount of parallel jobs (%r)' % jobs)
-		p('-k', '--keep',     dest='keep',    default=0,     action='count', help='continue despite errors (-kk to try harder)')
-		p('-v', '--verbose',  dest='verbose', default=0,     action='count', help='verbosity level -v -vv or -vvv [default: 0]')
-		p('--zones',          dest='zones',   default='',    action='store', help='debugging zones (task_gen, deps, tasks, etc)')
-		p('--profile',        dest='profile', default=0,     action='store_true', help=optparse.SUPPRESS_HELP)
-		p('--pdb',            dest='pdb',     default=0,     action='store_true', help=optparse.SUPPRESS_HELP)
-		p('-h', '--help',     dest='whelp',   default=0,     action='store_true', help="show this help message and exit")
-
-		gr = self.add_option_group('Configuration options')
-		self.option_groups['configure options'] = gr
-
-		gr.add_option('-o', '--out', action='store', default='', help='build dir for the project', dest='out')
-		gr.add_option('-t', '--top', action='store', default='', help='src dir for the project', dest='top')
-
-		gr.add_option('--no-lock-in-run', action='store_true', default='', help=optparse.SUPPRESS_HELP, dest='no_lock_in_run')
-		gr.add_option('--no-lock-in-out', action='store_true', default='', help=optparse.SUPPRESS_HELP, dest='no_lock_in_out')
-		gr.add_option('--no-lock-in-top', action='store_true', default='', help=optparse.SUPPRESS_HELP, dest='no_lock_in_top')
-
-		default_prefix = getattr(Context.g_module, 'default_prefix', os.environ.get('PREFIX'))
-		if not default_prefix:
-			if Utils.unversioned_sys_platform() == 'win32':
-				d = tempfile.gettempdir()
-				default_prefix = d[0].upper() + d[1:]
-				# win32 preserves the case, but gettempdir does not
-			else:
-				default_prefix = '/usr/local/'
-		gr.add_option('--prefix', dest='prefix', default=default_prefix, help='installation prefix [default: %r]' % default_prefix)
-		gr.add_option('--bindir', dest='bindir', help='bindir')
-		gr.add_option('--libdir', dest='libdir', help='libdir')
-
-		gr = self.add_option_group('Build and installation options')
-		self.option_groups['build and install options'] = gr
-		gr.add_option('-p', '--progress', dest='progress_bar', default=0, action='count', help= '-p: progress bar; -pp: ide output')
-		gr.add_option('--targets',        dest='targets', default='', action='store', help='task generators, e.g. "target1,target2"')
-
-		gr = self.add_option_group('Step options')
-		self.option_groups['step options'] = gr
-		gr.add_option('--files',          dest='files', default='', action='store', help='files to process, by regexp, e.g. "*/main.c,*/test/main.o"')
-
-		default_destdir = os.environ.get('DESTDIR', '')
-
-		gr = self.add_option_group('Installation and uninstallation options')
-		self.option_groups['install/uninstall options'] = gr
-		gr.add_option('--destdir', help='installation root [default: %r]' % default_destdir, default=default_destdir, dest='destdir')
-		gr.add_option('-f', '--force', dest='force', default=False, action='store_true', help='force file installation')
-		gr.add_option('--distcheck-args', metavar='ARGS', help='arguments to pass to distcheck', default=None, action='store')
-
-	def jobs(self):
-		"""
-		Finds the optimal amount of cpu cores to use for parallel jobs.
-		At runtime the options can be obtained from :py:const:`waflib.Options.options` ::
-
-			from waflib.Options import options
-			njobs = options.jobs
-
-		:return: the amount of cpu cores
-		:rtype: int
-		"""
-		count = int(os.environ.get('JOBS', 0))
-		if count < 1:
-			if 'NUMBER_OF_PROCESSORS' in os.environ:
-				# on Windows, use the NUMBER_OF_PROCESSORS environment variable
-				count = int(os.environ.get('NUMBER_OF_PROCESSORS', 1))
-			else:
-				# on everything else, first try the POSIX sysconf values
-				if hasattr(os, 'sysconf_names'):
-					if 'SC_NPROCESSORS_ONLN' in os.sysconf_names:
-						count = int(os.sysconf('SC_NPROCESSORS_ONLN'))
-					elif 'SC_NPROCESSORS_CONF' in os.sysconf_names:
-						count = int(os.sysconf('SC_NPROCESSORS_CONF'))
-				if not count and os.name not in ('nt', 'java'):
-					try:
-						tmp = self.cmd_and_log(['sysctl', '-n', 'hw.ncpu'], quiet=0)
-					except Errors.WafError:
-						pass
-					else:
-						if re.match('^[0-9]+$', tmp):
-							count = int(tmp)
-		if count < 1:
-			count = 1
-		elif count > 1024:
-			count = 1024
-		return count
-
-	def add_option(self, *k, **kw):
-		"""
-		Wraps ``optparse.add_option``::
-
-			def options(ctx):
-				ctx.add_option('-u', '--use', dest='use', default=False,
-					action='store_true', help='a boolean option')
-
-		:rtype: optparse option object
-		"""
-		return self.parser.add_option(*k, **kw)
-
-	def add_option_group(self, *k, **kw):
-		"""
-		Wraps ``optparse.add_option_group``::
-
-			def options(ctx):
-				gr = ctx.add_option_group('some options')
-				gr.add_option('-u', '--use', dest='use', default=False, action='store_true')
-
-		:rtype: optparse option group object
-		"""
-		try:
-			gr = self.option_groups[k[0]]
-		except KeyError:
-			gr = self.parser.add_option_group(*k, **kw)
-		self.option_groups[k[0]] = gr
-		return gr
-
-	def get_option_group(self, opt_str):
-		"""
-		Wraps ``optparse.get_option_group``::
-
-			def options(ctx):
-				gr = ctx.get_option_group('configure options')
-				gr.add_option('-o', '--out', action='store', default='',
-					help='build dir for the project', dest='out')
-
-		:rtype: optparse option group object
-		"""
-		try:
-			return self.option_groups[opt_str]
-		except KeyError:
-			for group in self.parser.option_groups:
-				if group.title == opt_str:
-					return group
-			return None
-
-	def sanitize_path(self, path, cwd=None):
-		if not cwd:
-			cwd = Context.launch_dir
-		p = os.path.expanduser(path)
-		p = os.path.join(cwd, p)
-		p = os.path.normpath(p)
-		p = os.path.abspath(p)
-		return p
-
-	def parse_cmd_args(self, _args=None, cwd=None, allow_unknown=False):
-		"""
-		Just parse the arguments
-		"""
-		self.parser.allow_unknown = allow_unknown
-		(options, leftover_args) = self.parser.parse_args(args=_args)
-		envvars = []
-		commands = []
-		for arg in leftover_args:
-			if '=' in arg:
-				envvars.append(arg)
-			elif arg != 'options':
-				commands.append(arg)
-
-		for name in 'top out destdir prefix bindir libdir'.split():
-			# those paths are usually expanded from Context.launch_dir
-			if getattr(options, name, None):
-				path = self.sanitize_path(getattr(options, name), cwd)
-				setattr(options, name, path)
-		return options, commands, envvars
-
-	def init_module_vars(self, arg_options, arg_commands, arg_envvars):
-		options.__dict__.clear()
-		del commands[:]
-		del envvars[:]
-
-		options.__dict__.update(arg_options.__dict__)
-		commands.extend(arg_commands)
-		envvars.extend(arg_envvars)
-
-		for var in envvars:
-			(name, value) = var.split('=', 1)
-			os.environ[name.strip()] = value
-
-	def init_logs(self, options, commands, envvars):
-		Logs.verbose = options.verbose
-		if options.verbose >= 1:
-			self.load('errcheck')
-
-		colors = {'yes' : 2, 'auto' : 1, 'no' : 0}[options.colors]
-		Logs.enable_colors(colors)
-
-		if options.zones:
-			Logs.zones = options.zones.split(',')
-			if not Logs.verbose:
-				Logs.verbose = 1
-		elif Logs.verbose > 0:
-			Logs.zones = ['runner']
-		if Logs.verbose > 2:
-			Logs.zones = ['*']
-
-	def parse_args(self, _args=None):
-		"""
-		Parses arguments from a list which is not necessarily the command-line.
-		Initializes the module variables options, commands and envvars
-		If help is requested, prints it and exit the application
-
-		:param _args: arguments
-		:type _args: list of strings
-		"""
-		options, commands, envvars = self.parse_cmd_args()
-		self.init_logs(options, commands, envvars)
-		self.init_module_vars(options, commands, envvars)
-
-	def execute(self):
-		"""
-		See :py:func:`waflib.Context.Context.execute`
-		"""
-		super(OptionsContext, self).execute()
-		self.parse_args()
-		Utils.alloc_process_pool(options.jobs)
-
diff --git a/waflib/README.md b/waflib/README.md
deleted file mode 100644
index c5361b91..00000000
--- a/waflib/README.md
+++ /dev/null
@@ -1,24 +0,0 @@
-Autowaf
-=======
-
-This is autowaf, a bundle of waf and a few extensions intended to be easy to
-use directly as source code in a project.  Using this as a submodule or subtree
-named `waflib` in a project allows waf to be used without including binary
-encoded data in the waf script.  This gets along with revision control and
-distributions better, among other advantages, without losing
-self-containedness.
-
-To use this in a project, add this repository as a directory named `waflib` in
-the top level of the project, and link or copy `waf` to the top level.
-
-Two waf extras are also included: `autowaf.py` and `lv2.py`.
-
-The `autowaf.py` module is a kitchen sink of Python utilities for building
-consistent packages, and can be imported in a wcript as
-`waflib.extras.autowaf`.
-
-The `lv2.py` extra defines options for LV2 plugin installation paths.  It can
-be used by calling `opt.load('lv2')` and `conf.load('lv2')` in the appropriate
-locations in a wscript.
-
- -- David Robillard <d@drobilla.net>
diff --git a/waflib/Runner.py b/waflib/Runner.py
deleted file mode 100644
index 5d276698..00000000
--- a/waflib/Runner.py
+++ /dev/null
@@ -1,617 +0,0 @@
-#!/usr/bin/env python
-# encoding: utf-8
-# Thomas Nagy, 2005-2018 (ita)
-
-"""
-Runner.py: Task scheduling and execution
-"""
-
-import heapq, traceback
-try:
-	from queue import Queue, PriorityQueue
-except ImportError:
-	from Queue import Queue
-	try:
-		from Queue import PriorityQueue
-	except ImportError:
-		class PriorityQueue(Queue):
-			def _init(self, maxsize):
-				self.maxsize = maxsize
-				self.queue = []
-			def _put(self, item):
-				heapq.heappush(self.queue, item)
-			def _get(self):
-				return heapq.heappop(self.queue)
-
-from waflib import Utils, Task, Errors, Logs
-
-GAP = 5
-"""
-Wait for at least ``GAP * njobs`` before trying to enqueue more tasks to run
-"""
-
-class PriorityTasks(object):
-	def __init__(self):
-		self.lst = []
-	def __len__(self):
-		return len(self.lst)
-	def __iter__(self):
-		return iter(self.lst)
-	def __str__(self):
-		return 'PriorityTasks: [%s]' % '\n  '.join(str(x) for x in self.lst)
-	def clear(self):
-		self.lst = []
-	def append(self, task):
-		heapq.heappush(self.lst, task)
-	def appendleft(self, task):
-		"Deprecated, do not use"
-		heapq.heappush(self.lst, task)
-	def pop(self):
-		return heapq.heappop(self.lst)
-	def extend(self, lst):
-		if self.lst:
-			for x in lst:
-				self.append(x)
-		else:
-			if isinstance(lst, list):
-				self.lst = lst
-				heapq.heapify(lst)
-			else:
-				self.lst = lst.lst
-
-class Consumer(Utils.threading.Thread):
-	"""
-	Daemon thread object that executes a task. It shares a semaphore with
-	the coordinator :py:class:`waflib.Runner.Spawner`. There is one
-	instance per task to consume.
-	"""
-	def __init__(self, spawner, task):
-		Utils.threading.Thread.__init__(self)
-		self.task = task
-		"""Task to execute"""
-		self.spawner = spawner
-		"""Coordinator object"""
-		self.setDaemon(1)
-		self.start()
-	def run(self):
-		"""
-		Processes a single task
-		"""
-		try:
-			if not self.spawner.master.stop:
-				self.spawner.master.process_task(self.task)
-		finally:
-			self.spawner.sem.release()
-			self.spawner.master.out.put(self.task)
-			self.task = None
-			self.spawner = None
-
-class Spawner(Utils.threading.Thread):
-	"""
-	Daemon thread that consumes tasks from :py:class:`waflib.Runner.Parallel` producer and
-	spawns a consuming thread :py:class:`waflib.Runner.Consumer` for each
-	:py:class:`waflib.Task.Task` instance.
-	"""
-	def __init__(self, master):
-		Utils.threading.Thread.__init__(self)
-		self.master = master
-		""":py:class:`waflib.Runner.Parallel` producer instance"""
-		self.sem = Utils.threading.Semaphore(master.numjobs)
-		"""Bounded semaphore that prevents spawning more than *n* concurrent consumers"""
-		self.setDaemon(1)
-		self.start()
-	def run(self):
-		"""
-		Spawns new consumers to execute tasks by delegating to :py:meth:`waflib.Runner.Spawner.loop`
-		"""
-		try:
-			self.loop()
-		except Exception:
-			# Python 2 prints unnecessary messages when shutting down
-			# we also want to stop the thread properly
-			pass
-	def loop(self):
-		"""
-		Consumes task objects from the producer; ends when the producer has no more
-		task to provide.
-		"""
-		master = self.master
-		while 1:
-			task = master.ready.get()
-			self.sem.acquire()
-			if not master.stop:
-				task.log_display(task.generator.bld)
-			Consumer(self, task)
-
-class Parallel(object):
-	"""
-	Schedule the tasks obtained from the build context for execution.
-	"""
-	def __init__(self, bld, j=2):
-		"""
-		The initialization requires a build context reference
-		for computing the total number of jobs.
-		"""
-
-		self.numjobs = j
-		"""
-		Amount of parallel consumers to use
-		"""
-
-		self.bld = bld
-		"""
-		Instance of :py:class:`waflib.Build.BuildContext`
-		"""
-
-		self.outstanding = PriorityTasks()
-		"""Heap of :py:class:`waflib.Task.Task` that may be ready to be executed"""
-
-		self.postponed = PriorityTasks()
-		"""Heap of :py:class:`waflib.Task.Task` which are not ready to run for non-DAG reasons"""
-
-		self.incomplete = set()
-		"""List of :py:class:`waflib.Task.Task` waiting for dependent tasks to complete (DAG)"""
-
-		self.ready = PriorityQueue(0)
-		"""List of :py:class:`waflib.Task.Task` ready to be executed by consumers"""
-
-		self.out = Queue(0)
-		"""List of :py:class:`waflib.Task.Task` returned by the task consumers"""
-
-		self.count = 0
-		"""Amount of tasks that may be processed by :py:class:`waflib.Runner.TaskConsumer`"""
-
-		self.processed = 0
-		"""Amount of tasks processed"""
-
-		self.stop = False
-		"""Error flag to stop the build"""
-
-		self.error = []
-		"""Tasks that could not be executed"""
-
-		self.biter = None
-		"""Task iterator which must give groups of parallelizable tasks when calling ``next()``"""
-
-		self.dirty = False
-		"""
-		Flag that indicates that the build cache must be saved when a task was executed
-		(calls :py:meth:`waflib.Build.BuildContext.store`)"""
-
-		self.revdeps = Utils.defaultdict(set)
-		"""
-		The reverse dependency graph of dependencies obtained from Task.run_after
-		"""
-
-		self.spawner = None
-		"""
-		Coordinating daemon thread that spawns thread consumers
-		"""
-		if self.numjobs > 1:
-			self.spawner = Spawner(self)
-
-	def get_next_task(self):
-		"""
-		Obtains the next Task instance to run
-
-		:rtype: :py:class:`waflib.Task.Task`
-		"""
-		if not self.outstanding:
-			return None
-		return self.outstanding.pop()
-
-	def postpone(self, tsk):
-		"""
-		Adds the task to the list :py:attr:`waflib.Runner.Parallel.postponed`.
-		The order is scrambled so as to consume as many tasks in parallel as possible.
-
-		:param tsk: task instance
-		:type tsk: :py:class:`waflib.Task.Task`
-		"""
-		self.postponed.append(tsk)
-
-	def refill_task_list(self):
-		"""
-		Pulls a next group of tasks to execute in :py:attr:`waflib.Runner.Parallel.outstanding`.
-		Ensures that all tasks in the current build group are complete before processing the next one.
-		"""
-		while self.count > self.numjobs * GAP:
-			self.get_out()
-
-		while not self.outstanding:
-			if self.count:
-				self.get_out()
-				if self.outstanding:
-					break
-			elif self.postponed:
-				try:
-					cond = self.deadlock == self.processed
-				except AttributeError:
-					pass
-				else:
-					if cond:
-						# The most common reason is conflicting build order declaration
-						# for example: "X run_after Y" and "Y run_after X"
-						# Another can be changing "run_after" dependencies while the build is running
-						# for example: updating "tsk.run_after" in the "runnable_status" method
-						lst = []
-						for tsk in self.postponed:
-							deps = [id(x) for x in tsk.run_after if not x.hasrun]
-							lst.append('%s\t-> %r' % (repr(tsk), deps))
-							if not deps:
-								lst.append('\n  task %r dependencies are done, check its *runnable_status*?' % id(tsk))
-						raise Errors.WafError('Deadlock detected: check the task build order%s' % ''.join(lst))
-				self.deadlock = self.processed
-
-			if self.postponed:
-				self.outstanding.extend(self.postponed)
-				self.postponed.clear()
-			elif not self.count:
-				if self.incomplete:
-					for x in self.incomplete:
-						for k in x.run_after:
-							if not k.hasrun:
-								break
-						else:
-							# dependency added after the build started without updating revdeps
-							self.incomplete.remove(x)
-							self.outstanding.append(x)
-							break
-					else:
-						if self.stop or self.error:
-							break
-						raise Errors.WafError('Broken revdeps detected on %r' % self.incomplete)
-				else:
-					tasks = next(self.biter)
-					ready, waiting = self.prio_and_split(tasks)
-					self.outstanding.extend(ready)
-					self.incomplete.update(waiting)
-					self.total = self.bld.total()
-					break
-
-	def add_more_tasks(self, tsk):
-		"""
-		If a task provides :py:attr:`waflib.Task.Task.more_tasks`, then the tasks contained
-		in that list are added to the current build and will be processed before the next build group.
-
-		The priorities for dependent tasks are not re-calculated globally
-
-		:param tsk: task instance
-		:type tsk: :py:attr:`waflib.Task.Task`
-		"""
-		if getattr(tsk, 'more_tasks', None):
-			more = set(tsk.more_tasks)
-			groups_done = set()
-			def iteri(a, b):
-				for x in a:
-					yield x
-				for x in b:
-					yield x
-
-			# Update the dependency tree
-			# this assumes that task.run_after values were updated
-			for x in iteri(self.outstanding, self.incomplete):
-				for k in x.run_after:
-					if isinstance(k, Task.TaskGroup):
-						if k not in groups_done:
-							groups_done.add(k)
-							for j in k.prev & more:
-								self.revdeps[j].add(k)
-					elif k in more:
-						self.revdeps[k].add(x)
-
-			ready, waiting = self.prio_and_split(tsk.more_tasks)
-			self.outstanding.extend(ready)
-			self.incomplete.update(waiting)
-			self.total += len(tsk.more_tasks)
-
-	def mark_finished(self, tsk):
-		def try_unfreeze(x):
-			# DAG ancestors are likely to be in the incomplete set
-			# This assumes that the run_after contents have not changed
-			# after the build starts, else a deadlock may occur
-			if x in self.incomplete:
-				# TODO remove dependencies to free some memory?
-				# x.run_after.remove(tsk)
-				for k in x.run_after:
-					if not k.hasrun:
-						break
-				else:
-					self.incomplete.remove(x)
-					self.outstanding.append(x)
-
-		if tsk in self.revdeps:
-			for x in self.revdeps[tsk]:
-				if isinstance(x, Task.TaskGroup):
-					x.prev.remove(tsk)
-					if not x.prev:
-						for k in x.next:
-							# TODO necessary optimization?
-							k.run_after.remove(x)
-							try_unfreeze(k)
-						# TODO necessary optimization?
-						x.next = []
-				else:
-					try_unfreeze(x)
-			del self.revdeps[tsk]
-
-		if hasattr(tsk, 'semaphore'):
-			sem = tsk.semaphore
-			sem.release(tsk)
-			while sem.waiting and not sem.is_locked():
-				# take a frozen task, make it ready to run
-				x = sem.waiting.pop()
-				self._add_task(x)
-
-	def get_out(self):
-		"""
-		Waits for a Task that task consumers add to :py:attr:`waflib.Runner.Parallel.out` after execution.
-		Adds more Tasks if necessary through :py:attr:`waflib.Runner.Parallel.add_more_tasks`.
-
-		:rtype: :py:attr:`waflib.Task.Task`
-		"""
-		tsk = self.out.get()
-		if not self.stop:
-			self.add_more_tasks(tsk)
-		self.mark_finished(tsk)
-
-		self.count -= 1
-		self.dirty = True
-		return tsk
-
-	def add_task(self, tsk):
-		"""
-		Enqueue a Task to :py:attr:`waflib.Runner.Parallel.ready` so that consumers can run them.
-
-		:param tsk: task instance
-		:type tsk: :py:attr:`waflib.Task.Task`
-		"""
-		# TODO change in waf 2.1
-		self.ready.put(tsk)
-
-	def _add_task(self, tsk):
-		if hasattr(tsk, 'semaphore'):
-			sem = tsk.semaphore
-			try:
-				sem.acquire(tsk)
-			except IndexError:
-				sem.waiting.add(tsk)
-				return
-
-		self.count += 1
-		self.processed += 1
-		if self.numjobs == 1:
-			tsk.log_display(tsk.generator.bld)
-			try:
-				self.process_task(tsk)
-			finally:
-				self.out.put(tsk)
-		else:
-			self.add_task(tsk)
-
-	def process_task(self, tsk):
-		"""
-		Processes a task and attempts to stop the build in case of errors
-		"""
-		tsk.process()
-		if tsk.hasrun != Task.SUCCESS:
-			self.error_handler(tsk)
-
-	def skip(self, tsk):
-		"""
-		Mark a task as skipped/up-to-date
-		"""
-		tsk.hasrun = Task.SKIPPED
-		self.mark_finished(tsk)
-
-	def cancel(self, tsk):
-		"""
-		Mark a task as failed because of unsatisfiable dependencies
-		"""
-		tsk.hasrun = Task.CANCELED
-		self.mark_finished(tsk)
-
-	def error_handler(self, tsk):
-		"""
-		Called when a task cannot be executed. The flag :py:attr:`waflib.Runner.Parallel.stop` is set,
-		unless the build is executed with::
-
-			$ waf build -k
-
-		:param tsk: task instance
-		:type tsk: :py:attr:`waflib.Task.Task`
-		"""
-		if not self.bld.keep:
-			self.stop = True
-		self.error.append(tsk)
-
-	def task_status(self, tsk):
-		"""
-		Obtains the task status to decide whether to run it immediately or not.
-
-		:return: the exit status, for example :py:attr:`waflib.Task.ASK_LATER`
-		:rtype: integer
-		"""
-		try:
-			return tsk.runnable_status()
-		except Exception:
-			self.processed += 1
-			tsk.err_msg = traceback.format_exc()
-			if not self.stop and self.bld.keep:
-				self.skip(tsk)
-				if self.bld.keep == 1:
-					# if -k stop on the first exception, if -kk try to go as far as possible
-					if Logs.verbose > 1 or not self.error:
-						self.error.append(tsk)
-					self.stop = True
-				else:
-					if Logs.verbose > 1:
-						self.error.append(tsk)
-				return Task.EXCEPTION
-
-			tsk.hasrun = Task.EXCEPTION
-			self.error_handler(tsk)
-
-			return Task.EXCEPTION
-
-	def start(self):
-		"""
-		Obtains Task instances from the BuildContext instance and adds the ones that need to be executed to
-		:py:class:`waflib.Runner.Parallel.ready` so that the :py:class:`waflib.Runner.Spawner` consumer thread
-		has them executed. Obtains the executed Tasks back from :py:class:`waflib.Runner.Parallel.out`
-		and marks the build as failed by setting the ``stop`` flag.
-		If only one job is used, then executes the tasks one by one, without consumers.
-		"""
-		self.total = self.bld.total()
-
-		while not self.stop:
-
-			self.refill_task_list()
-
-			# consider the next task
-			tsk = self.get_next_task()
-			if not tsk:
-				if self.count:
-					# tasks may add new ones after they are run
-					continue
-				else:
-					# no tasks to run, no tasks running, time to exit
-					break
-
-			if tsk.hasrun:
-				# if the task is marked as "run", just skip it
-				self.processed += 1
-				continue
-
-			if self.stop: # stop immediately after a failure is detected
-				break
-
-			st = self.task_status(tsk)
-			if st == Task.RUN_ME:
-				self._add_task(tsk)
-			elif st == Task.ASK_LATER:
-				self.postpone(tsk)
-			elif st == Task.SKIP_ME:
-				self.processed += 1
-				self.skip(tsk)
-				self.add_more_tasks(tsk)
-			elif st == Task.CANCEL_ME:
-				# A dependency problem has occurred, and the
-				# build is most likely run with `waf -k`
-				if Logs.verbose > 1:
-					self.error.append(tsk)
-				self.processed += 1
-				self.cancel(tsk)
-
-		# self.count represents the tasks that have been made available to the consumer threads
-		# collect all the tasks after an error else the message may be incomplete
-		while self.error and self.count:
-			self.get_out()
-
-		self.ready.put(None)
-		if not self.stop:
-			assert not self.count
-			assert not self.postponed
-			assert not self.incomplete
-
-	def prio_and_split(self, tasks):
-		"""
-		Label input tasks with priority values, and return a pair containing
-		the tasks that are ready to run and the tasks that are necessarily
-		waiting for other tasks to complete.
-
-		The priority system is really meant as an optional layer for optimization:
-		dependency cycles are found quickly, and builds should be more efficient.
-		A high priority number means that a task is processed first.
-
-		This method can be overridden to disable the priority system::
-
-			def prio_and_split(self, tasks):
-				return tasks, []
-
-		:return: A pair of task lists
-		:rtype: tuple
-		"""
-		# to disable:
-		#return tasks, []
-		for x in tasks:
-			x.visited = 0
-
-		reverse = self.revdeps
-
-		groups_done = set()
-		for x in tasks:
-			for k in x.run_after:
-				if isinstance(k, Task.TaskGroup):
-					if k not in groups_done:
-						groups_done.add(k)
-						for j in k.prev:
-							reverse[j].add(k)
-				else:
-					reverse[k].add(x)
-
-		# the priority number is not the tree depth
-		def visit(n):
-			if isinstance(n, Task.TaskGroup):
-				return sum(visit(k) for k in n.next)
-
-			if n.visited == 0:
-				n.visited = 1
-
-				if n in reverse:
-					rev = reverse[n]
-					n.prio_order = n.tree_weight + len(rev) + sum(visit(k) for k in rev)
-				else:
-					n.prio_order = n.tree_weight
-
-				n.visited = 2
-			elif n.visited == 1:
-				raise Errors.WafError('Dependency cycle found!')
-			return n.prio_order
-
-		for x in tasks:
-			if x.visited != 0:
-				# must visit all to detect cycles
-				continue
-			try:
-				visit(x)
-			except Errors.WafError:
-				self.debug_cycles(tasks, reverse)
-
-		ready = []
-		waiting = []
-		for x in tasks:
-			for k in x.run_after:
-				if not k.hasrun:
-					waiting.append(x)
-					break
-			else:
-				ready.append(x)
-		return (ready, waiting)
-
-	def debug_cycles(self, tasks, reverse):
-		tmp = {}
-		for x in tasks:
-			tmp[x] = 0
-
-		def visit(n, acc):
-			if isinstance(n, Task.TaskGroup):
-				for k in n.next:
-					visit(k, acc)
-				return
-			if tmp[n] == 0:
-				tmp[n] = 1
-				for k in reverse.get(n, []):
-					visit(k, [n] + acc)
-				tmp[n] = 2
-			elif tmp[n] == 1:
-				lst = []
-				for tsk in acc:
-					lst.append(repr(tsk))
-					if tsk is n:
-						# exclude prior nodes, we want the minimum cycle
-						break
-				raise Errors.WafError('Task dependency cycle in "run_after" constraints: %s' % ''.join(lst))
-		for x in tasks:
-			visit(x, [])
-
diff --git a/waflib/Scripting.py b/waflib/Scripting.py
deleted file mode 100644
index ae17a8b4..00000000
--- a/waflib/Scripting.py
+++ /dev/null
@@ -1,620 +0,0 @@
-#!/usr/bin/env python
-# encoding: utf-8
-# Thomas Nagy, 2005-2018 (ita)
-
-"Module called for configuring, compiling and installing targets"
-
-from __future__ import with_statement
-
-import os, shlex, shutil, traceback, errno, sys, stat
-from waflib import Utils, Configure, Logs, Options, ConfigSet, Context, Errors, Build, Node
-
-build_dir_override = None
-
-no_climb_commands = ['configure']
-
-default_cmd = "build"
-
-def waf_entry_point(current_directory, version, wafdir):
-	"""
-	This is the main entry point, all Waf execution starts here.
-
-	:param current_directory: absolute path representing the current directory
-	:type current_directory: string
-	:param version: version number
-	:type version: string
-	:param wafdir: absolute path representing the directory of the waf library
-	:type wafdir: string
-	"""
-	Logs.init_log()
-
-	if Context.WAFVERSION != version:
-		Logs.error('Waf script %r and library %r do not match (directory %r)', version, Context.WAFVERSION, wafdir)
-		sys.exit(1)
-
-	# Store current directory before any chdir
-	Context.waf_dir = wafdir
-	Context.run_dir = Context.launch_dir = current_directory
-	start_dir = current_directory
-	no_climb = os.environ.get('NOCLIMB')
-
-	if len(sys.argv) > 1:
-		# os.path.join handles absolute paths
-		# if sys.argv[1] is not an absolute path, then it is relative to the current working directory
-		potential_wscript = os.path.join(current_directory, sys.argv[1])
-		if os.path.basename(potential_wscript) == Context.WSCRIPT_FILE and os.path.isfile(potential_wscript):
-			# need to explicitly normalize the path, as it may contain extra '/.'
-			path = os.path.normpath(os.path.dirname(potential_wscript))
-			start_dir = os.path.abspath(path)
-			no_climb = True
-			sys.argv.pop(1)
-
-	ctx = Context.create_context('options')
-	(options, commands, env) = ctx.parse_cmd_args(allow_unknown=True)
-	if options.top:
-		start_dir = Context.run_dir = Context.top_dir = options.top
-		no_climb = True
-	if options.out:
-		Context.out_dir = options.out
-
-	# if 'configure' is in the commands, do not search any further
-	if not no_climb:
-		for k in no_climb_commands:
-			for y in commands:
-				if y.startswith(k):
-					no_climb = True
-					break
-
-	# try to find a lock file (if the project was configured)
-	# at the same time, store the first wscript file seen
-	cur = start_dir
-	while cur:
-		try:
-			lst = os.listdir(cur)
-		except OSError:
-			lst = []
-			Logs.error('Directory %r is unreadable!', cur)
-		if Options.lockfile in lst:
-			env = ConfigSet.ConfigSet()
-			try:
-				env.load(os.path.join(cur, Options.lockfile))
-				ino = os.stat(cur)[stat.ST_INO]
-			except EnvironmentError:
-				pass
-			else:
-				# check if the folder was not moved
-				for x in (env.run_dir, env.top_dir, env.out_dir):
-					if not x:
-						continue
-					if Utils.is_win32:
-						if cur == x:
-							load = True
-							break
-					else:
-						# if the filesystem features symlinks, compare the inode numbers
-						try:
-							ino2 = os.stat(x)[stat.ST_INO]
-						except OSError:
-							pass
-						else:
-							if ino == ino2:
-								load = True
-								break
-				else:
-					Logs.warn('invalid lock file in %s', cur)
-					load = False
-
-				if load:
-					Context.run_dir = env.run_dir
-					Context.top_dir = env.top_dir
-					Context.out_dir = env.out_dir
-					break
-
-		if not Context.run_dir:
-			if Context.WSCRIPT_FILE in lst:
-				Context.run_dir = cur
-
-		next = os.path.dirname(cur)
-		if next == cur:
-			break
-		cur = next
-
-		if no_climb:
-			break
-
-	wscript = os.path.normpath(os.path.join(Context.run_dir, Context.WSCRIPT_FILE))
-	if not os.path.exists(wscript):
-		if options.whelp:
-			Logs.warn('These are the generic options (no wscript/project found)')
-			ctx.parser.print_help()
-			sys.exit(0)
-		Logs.error('Waf: Run from a folder containing a %r file (or try -h for the generic options)', Context.WSCRIPT_FILE)
-		sys.exit(1)
-
-	try:
-		os.chdir(Context.run_dir)
-	except OSError:
-		Logs.error('Waf: The folder %r is unreadable', Context.run_dir)
-		sys.exit(1)
-
-	try:
-		set_main_module(wscript)
-	except Errors.WafError as e:
-		Logs.pprint('RED', e.verbose_msg)
-		Logs.error(str(e))
-		sys.exit(1)
-	except Exception as e:
-		Logs.error('Waf: The wscript in %r is unreadable', Context.run_dir)
-		traceback.print_exc(file=sys.stdout)
-		sys.exit(2)
-
-	if options.profile:
-		import cProfile, pstats
-		cProfile.runctx('from waflib import Scripting; Scripting.run_commands()', {}, {}, 'profi.txt')
-		p = pstats.Stats('profi.txt')
-		p.sort_stats('time').print_stats(75) # or 'cumulative'
-	else:
-		try:
-			try:
-				run_commands()
-			except:
-				if options.pdb:
-					import pdb
-					type, value, tb = sys.exc_info()
-					traceback.print_exc()
-					pdb.post_mortem(tb)
-				else:
-					raise
-		except Errors.WafError as e:
-			if Logs.verbose > 1:
-				Logs.pprint('RED', e.verbose_msg)
-			Logs.error(e.msg)
-			sys.exit(1)
-		except SystemExit:
-			raise
-		except Exception as e:
-			traceback.print_exc(file=sys.stdout)
-			sys.exit(2)
-		except KeyboardInterrupt:
-			Logs.pprint('RED', 'Interrupted')
-			sys.exit(68)
-
-def set_main_module(file_path):
-	"""
-	Read the main wscript file into :py:const:`waflib.Context.Context.g_module` and
-	bind default functions such as ``init``, ``dist``, ``distclean`` if not defined.
-	Called by :py:func:`waflib.Scripting.waf_entry_point` during the initialization.
-
-	:param file_path: absolute path representing the top-level wscript file
-	:type file_path: string
-	"""
-	Context.g_module = Context.load_module(file_path)
-	Context.g_module.root_path = file_path
-
-	# note: to register the module globally, use the following:
-	# sys.modules['wscript_main'] = g_module
-
-	def set_def(obj):
-		name = obj.__name__
-		if not name in Context.g_module.__dict__:
-			setattr(Context.g_module, name, obj)
-	for k in (dist, distclean, distcheck):
-		set_def(k)
-	# add dummy init and shutdown functions if they're not defined
-	if not 'init' in Context.g_module.__dict__:
-		Context.g_module.init = Utils.nada
-	if not 'shutdown' in Context.g_module.__dict__:
-		Context.g_module.shutdown = Utils.nada
-	if not 'options' in Context.g_module.__dict__:
-		Context.g_module.options = Utils.nada
-
-def parse_options():
-	"""
-	Parses the command-line options and initialize the logging system.
-	Called by :py:func:`waflib.Scripting.waf_entry_point` during the initialization.
-	"""
-	ctx = Context.create_context('options')
-	ctx.execute()
-	if not Options.commands:
-		if isinstance(default_cmd, list):
-			Options.commands.extend(default_cmd)
-		else:
-			Options.commands.append(default_cmd)
-	if Options.options.whelp:
-		ctx.parser.print_help()
-		sys.exit(0)
-
-def run_command(cmd_name):
-	"""
-	Executes a single Waf command. Called by :py:func:`waflib.Scripting.run_commands`.
-
-	:param cmd_name: command to execute, like ``build``
-	:type cmd_name: string
-	"""
-	ctx = Context.create_context(cmd_name)
-	ctx.log_timer = Utils.Timer()
-	ctx.options = Options.options # provided for convenience
-	ctx.cmd = cmd_name
-	try:
-		ctx.execute()
-	finally:
-		# Issue 1374
-		ctx.finalize()
-	return ctx
-
-def run_commands():
-	"""
-	Execute the Waf commands that were given on the command-line, and the other options
-	Called by :py:func:`waflib.Scripting.waf_entry_point` during the initialization, and executed
-	after :py:func:`waflib.Scripting.parse_options`.
-	"""
-	parse_options()
-	run_command('init')
-	while Options.commands:
-		cmd_name = Options.commands.pop(0)
-		ctx = run_command(cmd_name)
-		Logs.info('%r finished successfully (%s)', cmd_name, ctx.log_timer)
-	run_command('shutdown')
-
-###########################################################################################
-
-def distclean_dir(dirname):
-	"""
-	Distclean function called in the particular case when::
-
-		top == out
-
-	:param dirname: absolute path of the folder to clean
-	:type dirname: string
-	"""
-	for (root, dirs, files) in os.walk(dirname):
-		for f in files:
-			if f.endswith(('.o', '.moc', '.exe')):
-				fname = os.path.join(root, f)
-				try:
-					os.remove(fname)
-				except OSError:
-					Logs.warn('Could not remove %r', fname)
-
-	for x in (Context.DBFILE, 'config.log'):
-		try:
-			os.remove(x)
-		except OSError:
-			pass
-
-	try:
-		shutil.rmtree(Build.CACHE_DIR)
-	except OSError:
-		pass
-
-def distclean(ctx):
-	'''removes build folders and data'''
-
-	def remove_and_log(k, fun):
-		try:
-			fun(k)
-		except EnvironmentError as e:
-			if e.errno != errno.ENOENT:
-				Logs.warn('Could not remove %r', k)
-
-	# remove waf cache folders on the top-level
-	if not Options.commands:
-		for k in os.listdir('.'):
-			for x in '.waf-2 waf-2 .waf3-2 waf3-2'.split():
-				if k.startswith(x):
-					remove_and_log(k, shutil.rmtree)
-
-	# remove a build folder, if any
-	cur = '.'
-	if ctx.options.no_lock_in_top:
-		cur = ctx.options.out
-
-	try:
-		lst = os.listdir(cur)
-	except OSError:
-		Logs.warn('Could not read %r', cur)
-		return
-
-	if Options.lockfile in lst:
-		f = os.path.join(cur, Options.lockfile)
-		try:
-			env = ConfigSet.ConfigSet(f)
-		except EnvironmentError:
-			Logs.warn('Could not read %r', f)
-			return
-
-		if not env.out_dir or not env.top_dir:
-			Logs.warn('Invalid lock file %r', f)
-			return
-
-		if env.out_dir == env.top_dir:
-			distclean_dir(env.out_dir)
-		else:
-			remove_and_log(env.out_dir, shutil.rmtree)
-
-		for k in (env.out_dir, env.top_dir, env.run_dir):
-			p = os.path.join(k, Options.lockfile)
-			remove_and_log(p, os.remove)
-
-class Dist(Context.Context):
-	'''creates an archive containing the project source code'''
-	cmd = 'dist'
-	fun = 'dist'
-	algo = 'tar.bz2'
-	ext_algo = {}
-
-	def execute(self):
-		"""
-		See :py:func:`waflib.Context.Context.execute`
-		"""
-		self.recurse([os.path.dirname(Context.g_module.root_path)])
-		self.archive()
-
-	def archive(self):
-		"""
-		Creates the source archive.
-		"""
-		import tarfile
-
-		arch_name = self.get_arch_name()
-
-		try:
-			self.base_path
-		except AttributeError:
-			self.base_path = self.path
-
-		node = self.base_path.make_node(arch_name)
-		try:
-			node.delete()
-		except OSError:
-			pass
-
-		files = self.get_files()
-
-		if self.algo.startswith('tar.'):
-			tar = tarfile.open(node.abspath(), 'w:' + self.algo.replace('tar.', ''))
-
-			for x in files:
-				self.add_tar_file(x, tar)
-			tar.close()
-		elif self.algo == 'zip':
-			import zipfile
-			zip = zipfile.ZipFile(node.abspath(), 'w', compression=zipfile.ZIP_DEFLATED)
-
-			for x in files:
-				archive_name = self.get_base_name() + '/' + x.path_from(self.base_path)
-				zip.write(x.abspath(), archive_name, zipfile.ZIP_DEFLATED)
-			zip.close()
-		else:
-			self.fatal('Valid algo types are tar.bz2, tar.gz, tar.xz or zip')
-
-		try:
-			from hashlib import sha256
-		except ImportError:
-			digest = ''
-		else:
-			digest = ' (sha256=%r)' % sha256(node.read(flags='rb')).hexdigest()
-
-		Logs.info('New archive created: %s%s', self.arch_name, digest)
-
-	def get_tar_path(self, node):
-		"""
-		Return the path to use for a node in the tar archive, the purpose of this
-		is to let subclases resolve symbolic links or to change file names
-
-		:return: absolute path
-		:rtype: string
-		"""
-		return node.abspath()
-
-	def add_tar_file(self, x, tar):
-		"""
-		Adds a file to the tar archive. Symlinks are not verified.
-
-		:param x: file path
-		:param tar: tar file object
-		"""
-		p = self.get_tar_path(x)
-		tinfo = tar.gettarinfo(name=p, arcname=self.get_tar_prefix() + '/' + x.path_from(self.base_path))
-		tinfo.uid   = 0
-		tinfo.gid   = 0
-		tinfo.uname = 'root'
-		tinfo.gname = 'root'
-
-		if os.path.isfile(p):
-			with open(p, 'rb') as f:
-				tar.addfile(tinfo, fileobj=f)
-		else:
-			tar.addfile(tinfo)
-
-	def get_tar_prefix(self):
-		"""
-		Returns the base path for files added into the archive tar file
-
-		:rtype: string
-		"""
-		try:
-			return self.tar_prefix
-		except AttributeError:
-			return self.get_base_name()
-
-	def get_arch_name(self):
-		"""
-		Returns the archive file name.
-		Set the attribute *arch_name* to change the default value::
-
-			def dist(ctx):
-				ctx.arch_name = 'ctx.tar.bz2'
-
-		:rtype: string
-		"""
-		try:
-			self.arch_name
-		except AttributeError:
-			self.arch_name = self.get_base_name() + '.' + self.ext_algo.get(self.algo, self.algo)
-		return self.arch_name
-
-	def get_base_name(self):
-		"""
-		Returns the default name of the main directory in the archive, which is set to *appname-version*.
-		Set the attribute *base_name* to change the default value::
-
-			def dist(ctx):
-				ctx.base_name = 'files'
-
-		:rtype: string
-		"""
-		try:
-			self.base_name
-		except AttributeError:
-			appname = getattr(Context.g_module, Context.APPNAME, 'noname')
-			version = getattr(Context.g_module, Context.VERSION, '1.0')
-			self.base_name = appname + '-' + version
-		return self.base_name
-
-	def get_excl(self):
-		"""
-		Returns the patterns to exclude for finding the files in the top-level directory.
-		Set the attribute *excl* to change the default value::
-
-			def dist(ctx):
-				ctx.excl = 'build **/*.o **/*.class'
-
-		:rtype: string
-		"""
-		try:
-			return self.excl
-		except AttributeError:
-			self.excl = Node.exclude_regs + ' **/waf-2.* **/.waf-2.* **/waf3-2.* **/.waf3-2.* **/*~ **/*.rej **/*.orig **/*.pyc **/*.pyo **/*.bak **/*.swp **/.lock-w*'
-			if Context.out_dir:
-				nd = self.root.find_node(Context.out_dir)
-				if nd:
-					self.excl += ' ' + nd.path_from(self.base_path)
-			return self.excl
-
-	def get_files(self):
-		"""
-		Files to package are searched automatically by :py:func:`waflib.Node.Node.ant_glob`.
-		Set *files* to prevent this behaviour::
-
-			def dist(ctx):
-				ctx.files = ctx.path.find_node('wscript')
-
-		Files are also searched from the directory 'base_path', to change it, set::
-
-			def dist(ctx):
-				ctx.base_path = path
-
-		:rtype: list of :py:class:`waflib.Node.Node`
-		"""
-		try:
-			files = self.files
-		except AttributeError:
-			files = self.base_path.ant_glob('**/*', excl=self.get_excl())
-		return files
-
-def dist(ctx):
-	'''makes a tarball for redistributing the sources'''
-	pass
-
-class DistCheck(Dist):
-	"""creates an archive with dist, then tries to build it"""
-	fun = 'distcheck'
-	cmd = 'distcheck'
-
-	def execute(self):
-		"""
-		See :py:func:`waflib.Context.Context.execute`
-		"""
-		self.recurse([os.path.dirname(Context.g_module.root_path)])
-		self.archive()
-		self.check()
-
-	def make_distcheck_cmd(self, tmpdir):
-		cfg = []
-		if Options.options.distcheck_args:
-			cfg = shlex.split(Options.options.distcheck_args)
-		else:
-			cfg = [x for x in sys.argv if x.startswith('-')]
-		cmd = [sys.executable, sys.argv[0], 'configure', 'build', 'install', 'uninstall', '--destdir=' + tmpdir] + cfg
-		return cmd
-
-	def check(self):
-		"""
-		Creates the archive, uncompresses it and tries to build the project
-		"""
-		import tempfile, tarfile
-
-		with tarfile.open(self.get_arch_name()) as t:
-			for x in t:
-				t.extract(x)
-
-		instdir = tempfile.mkdtemp('.inst', self.get_base_name())
-		cmd = self.make_distcheck_cmd(instdir)
-		ret = Utils.subprocess.Popen(cmd, cwd=self.get_base_name()).wait()
-		if ret:
-			raise Errors.WafError('distcheck failed with code %r' % ret)
-
-		if os.path.exists(instdir):
-			raise Errors.WafError('distcheck succeeded, but files were left in %s' % instdir)
-
-		shutil.rmtree(self.get_base_name())
-
-
-def distcheck(ctx):
-	'''checks if the project compiles (tarball from 'dist')'''
-	pass
-
-def autoconfigure(execute_method):
-	"""
-	Decorator that enables context commands to run *configure* as needed.
-	"""
-	def execute(self):
-		"""
-		Wraps :py:func:`waflib.Context.Context.execute` on the context class
-		"""
-		if not Configure.autoconfig:
-			return execute_method(self)
-
-		env = ConfigSet.ConfigSet()
-		do_config = False
-		try:
-			env.load(os.path.join(Context.top_dir, Options.lockfile))
-		except EnvironmentError:
-			Logs.warn('Configuring the project')
-			do_config = True
-		else:
-			if env.run_dir != Context.run_dir:
-				do_config = True
-			else:
-				h = 0
-				for f in env.files:
-					try:
-						h = Utils.h_list((h, Utils.readf(f, 'rb')))
-					except EnvironmentError:
-						do_config = True
-						break
-				else:
-					do_config = h != env.hash
-
-		if do_config:
-			cmd = env.config_cmd or 'configure'
-			if Configure.autoconfig == 'clobber':
-				tmp = Options.options.__dict__
-				launch_dir_tmp = Context.launch_dir
-				if env.options:
-					Options.options.__dict__ = env.options
-				Context.launch_dir = env.launch_dir
-				try:
-					run_command(cmd)
-				finally:
-					Options.options.__dict__ = tmp
-					Context.launch_dir = launch_dir_tmp
-			else:
-				run_command(cmd)
-			run_command(self.cmd)
-		else:
-			return execute_method(self)
-	return execute
-Build.BuildContext.execute = autoconfigure(Build.BuildContext.execute)
-
diff --git a/waflib/Task.py b/waflib/Task.py
deleted file mode 100644
index cb49a739..00000000
--- a/waflib/Task.py
+++ /dev/null
@@ -1,1406 +0,0 @@
-#!/usr/bin/env python
-# encoding: utf-8
-# Thomas Nagy, 2005-2018 (ita)
-
-"""
-Tasks represent atomic operations such as processes.
-"""
-
-import os, re, sys, tempfile, traceback
-from waflib import Utils, Logs, Errors
-
-# task states
-NOT_RUN = 0
-"""The task was not executed yet"""
-
-MISSING = 1
-"""The task has been executed but the files have not been created"""
-
-CRASHED = 2
-"""The task execution returned a non-zero exit status"""
-
-EXCEPTION = 3
-"""An exception occurred in the task execution"""
-
-CANCELED = 4
-"""A dependency for the task is missing so it was cancelled"""
-
-SKIPPED = 8
-"""The task did not have to be executed"""
-
-SUCCESS = 9
-"""The task was successfully executed"""
-
-ASK_LATER = -1
-"""The task is not ready to be executed"""
-
-SKIP_ME = -2
-"""The task does not need to be executed"""
-
-RUN_ME = -3
-"""The task must be executed"""
-
-CANCEL_ME = -4
-"""The task cannot be executed because of a dependency problem"""
-
-COMPILE_TEMPLATE_SHELL = '''
-def f(tsk):
-	env = tsk.env
-	gen = tsk.generator
-	bld = gen.bld
-	cwdx = tsk.get_cwd()
-	p = env.get_flat
-	def to_list(xx):
-		if isinstance(xx, str): return [xx]
-		return xx
-	tsk.last_cmd = cmd = \'\'\' %s \'\'\' % s
-	return tsk.exec_command(cmd, cwd=cwdx, env=env.env or None)
-'''
-
-COMPILE_TEMPLATE_NOSHELL = '''
-def f(tsk):
-	env = tsk.env
-	gen = tsk.generator
-	bld = gen.bld
-	cwdx = tsk.get_cwd()
-	def to_list(xx):
-		if isinstance(xx, str): return [xx]
-		return xx
-	def merge(lst1, lst2):
-		if lst1 and lst2:
-			return lst1[:-1] + [lst1[-1] + lst2[0]] + lst2[1:]
-		return lst1 + lst2
-	lst = []
-	%s
-	if '' in lst:
-		lst = [x for x in lst if x]
-	tsk.last_cmd = lst
-	return tsk.exec_command(lst, cwd=cwdx, env=env.env or None)
-'''
-
-COMPILE_TEMPLATE_SIG_VARS = '''
-def f(tsk):
-	sig = tsk.generator.bld.hash_env_vars(tsk.env, tsk.vars)
-	tsk.m.update(sig)
-	env = tsk.env
-	gen = tsk.generator
-	bld = gen.bld
-	cwdx = tsk.get_cwd()
-	p = env.get_flat
-	buf = []
-	%s
-	tsk.m.update(repr(buf).encode())
-'''
-
-classes = {}
-"""
-The metaclass :py:class:`waflib.Task.store_task_type` stores all class tasks
-created by user scripts or Waf tools to this dict. It maps class names to class objects.
-"""
-
-class store_task_type(type):
-	"""
-	Metaclass: store the task classes into the dict pointed by the
-	class attribute 'register' which defaults to :py:const:`waflib.Task.classes`,
-
-	The attribute 'run_str' is compiled into a method 'run' bound to the task class.
-	"""
-	def __init__(cls, name, bases, dict):
-		super(store_task_type, cls).__init__(name, bases, dict)
-		name = cls.__name__
-
-		if name != 'evil' and name != 'Task':
-			if getattr(cls, 'run_str', None):
-				# if a string is provided, convert it to a method
-				(f, dvars) = compile_fun(cls.run_str, cls.shell)
-				cls.hcode = Utils.h_cmd(cls.run_str)
-				cls.orig_run_str = cls.run_str
-				# change the name of run_str or it is impossible to subclass with a function
-				cls.run_str = None
-				cls.run = f
-				# process variables
-				cls.vars = list(set(cls.vars + dvars))
-				cls.vars.sort()
-				if cls.vars:
-					fun = compile_sig_vars(cls.vars)
-					if fun:
-						cls.sig_vars = fun
-			elif getattr(cls, 'run', None) and not 'hcode' in cls.__dict__:
-				# getattr(cls, 'hcode') would look in the upper classes
-				cls.hcode = Utils.h_cmd(cls.run)
-
-			# be creative
-			getattr(cls, 'register', classes)[name] = cls
-
-evil = store_task_type('evil', (object,), {})
-"Base class provided to avoid writing a metaclass, so the code can run in python 2.6 and 3.x unmodified"
-
-class Task(evil):
-	"""
-	Task objects represents actions to perform such as commands to execute by calling the `run` method.
-
-	Detecting when to execute a task occurs in the method :py:meth:`waflib.Task.Task.runnable_status`.
-
-	Detecting which tasks to execute is performed through a hash value returned by
-	:py:meth:`waflib.Task.Task.signature`. The task signature is persistent from build to build.
-	"""
-	vars = []
-	"""ConfigSet variables that should trigger a rebuild (class attribute used for :py:meth:`waflib.Task.Task.sig_vars`)"""
-
-	always_run = False
-	"""Specify whether task instances must always be executed or not (class attribute)"""
-
-	shell = False
-	"""Execute the command with the shell (class attribute)"""
-
-	color = 'GREEN'
-	"""Color for the console display, see :py:const:`waflib.Logs.colors_lst`"""
-
-	ext_in = []
-	"""File extensions that objects of this task class may use"""
-
-	ext_out = []
-	"""File extensions that objects of this task class may create"""
-
-	before = []
-	"""The instances of this class are executed before the instances of classes whose names are in this list"""
-
-	after = []
-	"""The instances of this class are executed after the instances of classes whose names are in this list"""
-
-	hcode = Utils.SIG_NIL
-	"""String representing an additional hash for the class representation"""
-
-	keep_last_cmd = False
-	"""Whether to keep the last command executed on the instance after execution.
-	This may be useful for certain extensions but it can a lot of memory.
-	"""
-
-	weight = 0
-	"""Optional weight to tune the priority for task instances.
-	The higher, the earlier. The weight only applies to single task objects."""
-
-	tree_weight = 0
-	"""Optional weight to tune the priority of task instances and whole subtrees.
-	The higher, the earlier."""
-
-	prio_order = 0
-	"""Priority order set by the scheduler on instances during the build phase.
-	You most likely do not need to set it.
-	"""
-
-	__slots__ = ('hasrun', 'generator', 'env', 'inputs', 'outputs', 'dep_nodes', 'run_after')
-
-	def __init__(self, *k, **kw):
-		self.hasrun = NOT_RUN
-		try:
-			self.generator = kw['generator']
-		except KeyError:
-			self.generator = self
-
-		self.env = kw['env']
-		""":py:class:`waflib.ConfigSet.ConfigSet` object (make sure to provide one)"""
-
-		self.inputs  = []
-		"""List of input nodes, which represent the files used by the task instance"""
-
-		self.outputs = []
-		"""List of output nodes, which represent the files created by the task instance"""
-
-		self.dep_nodes = []
-		"""List of additional nodes to depend on"""
-
-		self.run_after = set()
-		"""Set of tasks that must be executed before this one"""
-
-	def __lt__(self, other):
-		return self.priority() > other.priority()
-	def __le__(self, other):
-		return self.priority() >= other.priority()
-	def __gt__(self, other):
-		return self.priority() < other.priority()
-	def __ge__(self, other):
-		return self.priority() <= other.priority()
-
-	def get_cwd(self):
-		"""
-		:return: current working directory
-		:rtype: :py:class:`waflib.Node.Node`
-		"""
-		bld = self.generator.bld
-		ret = getattr(self, 'cwd', None) or getattr(bld, 'cwd', bld.bldnode)
-		if isinstance(ret, str):
-			if os.path.isabs(ret):
-				ret = bld.root.make_node(ret)
-			else:
-				ret = self.generator.path.make_node(ret)
-		return ret
-
-	def quote_flag(self, x):
-		"""
-		Surround a process argument by quotes so that a list of arguments can be written to a file
-
-		:param x: flag
-		:type x: string
-		:return: quoted flag
-		:rtype: string
-		"""
-		old = x
-		if '\\' in x:
-			x = x.replace('\\', '\\\\')
-		if '"' in x:
-			x = x.replace('"', '\\"')
-		if old != x or ' ' in x or '\t' in x or "'" in x:
-			x = '"%s"' % x
-		return x
-
-	def priority(self):
-		"""
-		Priority of execution; the higher, the earlier
-
-		:return: the priority value
-		:rtype: a tuple of numeric values
-		"""
-		return (self.weight + self.prio_order, - getattr(self.generator, 'tg_idx_count', 0))
-
-	def split_argfile(self, cmd):
-		"""
-		Splits a list of process commands into the executable part and its list of arguments
-
-		:return: a tuple containing the executable first and then the rest of arguments
-		:rtype: tuple
-		"""
-		return ([cmd[0]], [self.quote_flag(x) for x in cmd[1:]])
-
-	def exec_command(self, cmd, **kw):
-		"""
-		Wrapper for :py:meth:`waflib.Context.Context.exec_command`.
-		This version set the current working directory (``build.variant_dir``),
-		applies PATH settings (if self.env.PATH is provided), and can run long
-		commands through a temporary ``@argfile``.
-
-		:param cmd: process command to execute
-		:type cmd: list of string (best) or string (process will use a shell)
-		:return: the return code
-		:rtype: int
-
-		Optional parameters:
-
-		#. cwd: current working directory (Node or string)
-		#. stdout: set to None to prevent waf from capturing the process standard output
-		#. stderr: set to None to prevent waf from capturing the process standard error
-		#. timeout: timeout value (Python 3)
-		"""
-		if not 'cwd' in kw:
-			kw['cwd'] = self.get_cwd()
-
-		if hasattr(self, 'timeout'):
-			kw['timeout'] = self.timeout
-
-		if self.env.PATH:
-			env = kw['env'] = dict(kw.get('env') or self.env.env or os.environ)
-			env['PATH'] = self.env.PATH if isinstance(self.env.PATH, str) else os.pathsep.join(self.env.PATH)
-
-		if hasattr(self, 'stdout'):
-			kw['stdout'] = self.stdout
-		if hasattr(self, 'stderr'):
-			kw['stderr'] = self.stderr
-
-		if not isinstance(cmd, str):
-			if Utils.is_win32:
-				# win32 compares the resulting length http://support.microsoft.com/kb/830473
-				too_long = sum([len(arg) for arg in cmd]) + len(cmd) > 8192
-			else:
-				# non-win32 counts the amount of arguments (200k)
-				too_long = len(cmd) > 200000
-
-			if too_long and getattr(self, 'allow_argsfile', True):
-				# Shunt arguments to a temporary file if the command is too long.
-				cmd, args = self.split_argfile(cmd)
-				try:
-					(fd, tmp) = tempfile.mkstemp()
-					os.write(fd, '\r\n'.join(args).encode())
-					os.close(fd)
-					if Logs.verbose:
-						Logs.debug('argfile: @%r -> %r', tmp, args)
-					return self.generator.bld.exec_command(cmd + ['@' + tmp], **kw)
-				finally:
-					try:
-						os.remove(tmp)
-					except OSError:
-						# anti-virus and indexers can keep files open -_-
-						pass
-		return self.generator.bld.exec_command(cmd, **kw)
-
-	def process(self):
-		"""
-		Runs the task and handles errors
-
-		:return: 0 or None if everything is fine
-		:rtype: integer
-		"""
-		# remove the task signature immediately before it is executed
-		# so that the task will be executed again in case of failure
-		try:
-			del self.generator.bld.task_sigs[self.uid()]
-		except KeyError:
-			pass
-
-		try:
-			ret = self.run()
-		except Exception:
-			self.err_msg = traceback.format_exc()
-			self.hasrun = EXCEPTION
-		else:
-			if ret:
-				self.err_code = ret
-				self.hasrun = CRASHED
-			else:
-				try:
-					self.post_run()
-				except Errors.WafError:
-					pass
-				except Exception:
-					self.err_msg = traceback.format_exc()
-					self.hasrun = EXCEPTION
-				else:
-					self.hasrun = SUCCESS
-
-		if self.hasrun != SUCCESS and self.scan:
-			# rescan dependencies on next run
-			try:
-				del self.generator.bld.imp_sigs[self.uid()]
-			except KeyError:
-				pass
-
-	def log_display(self, bld):
-		"Writes the execution status on the context logger"
-		if self.generator.bld.progress_bar == 3:
-			return
-
-		s = self.display()
-		if s:
-			if bld.logger:
-				logger = bld.logger
-			else:
-				logger = Logs
-
-			if self.generator.bld.progress_bar == 1:
-				c1 = Logs.colors.cursor_off
-				c2 = Logs.colors.cursor_on
-				logger.info(s, extra={'stream': sys.stderr, 'terminator':'', 'c1': c1, 'c2' : c2})
-			else:
-				logger.info(s, extra={'terminator':'', 'c1': '', 'c2' : ''})
-
-	def display(self):
-		"""
-		Returns an execution status for the console, the progress bar, or the IDE output.
-
-		:rtype: string
-		"""
-		col1 = Logs.colors(self.color)
-		col2 = Logs.colors.NORMAL
-		master = self.generator.bld.producer
-
-		def cur():
-			# the current task position, computed as late as possible
-			return master.processed - master.ready.qsize()
-
-		if self.generator.bld.progress_bar == 1:
-			return self.generator.bld.progress_line(cur(), master.total, col1, col2)
-
-		if self.generator.bld.progress_bar == 2:
-			ela = str(self.generator.bld.timer)
-			try:
-				ins  = ','.join([n.name for n in self.inputs])
-			except AttributeError:
-				ins = ''
-			try:
-				outs = ','.join([n.name for n in self.outputs])
-			except AttributeError:
-				outs = ''
-			return '|Total %s|Current %s|Inputs %s|Outputs %s|Time %s|\n' % (master.total, cur(), ins, outs, ela)
-
-		s = str(self)
-		if not s:
-			return None
-
-		total = master.total
-		n = len(str(total))
-		fs = '[%%%dd/%%%dd] %%s%%s%%s%%s\n' % (n, n)
-		kw = self.keyword()
-		if kw:
-			kw += ' '
-		return fs % (cur(), total, kw, col1, s, col2)
-
-	def hash_constraints(self):
-		"""
-		Identifies a task type for all the constraints relevant for the scheduler: precedence, file production
-
-		:return: a hash value
-		:rtype: string
-		"""
-		return (tuple(self.before), tuple(self.after), tuple(self.ext_in), tuple(self.ext_out), self.__class__.__name__, self.hcode)
-
-	def format_error(self):
-		"""
-		Returns an error message to display the build failure reasons
-
-		:rtype: string
-		"""
-		if Logs.verbose:
-			msg = ': %r\n%r' % (self, getattr(self, 'last_cmd', ''))
-		else:
-			msg = ' (run with -v to display more information)'
-		name = getattr(self.generator, 'name', '')
-		if getattr(self, "err_msg", None):
-			return self.err_msg
-		elif not self.hasrun:
-			return 'task in %r was not executed for some reason: %r' % (name, self)
-		elif self.hasrun == CRASHED:
-			try:
-				return ' -> task in %r failed with exit status %r%s' % (name, self.err_code, msg)
-			except AttributeError:
-				return ' -> task in %r failed%s' % (name, msg)
-		elif self.hasrun == MISSING:
-			return ' -> missing files in %r%s' % (name, msg)
-		elif self.hasrun == CANCELED:
-			return ' -> %r canceled because of missing dependencies' % name
-		else:
-			return 'invalid status for task in %r: %r' % (name, self.hasrun)
-
-	def colon(self, var1, var2):
-		"""
-		Enable scriptlet expressions of the form ${FOO_ST:FOO}
-		If the first variable (FOO_ST) is empty, then an empty list is returned
-
-		The results will be slightly different if FOO_ST is a list, for example::
-
-			env.FOO    = ['p1', 'p2']
-			env.FOO_ST = '-I%s'
-			# ${FOO_ST:FOO} returns
-			['-Ip1', '-Ip2']
-
-			env.FOO_ST = ['-a', '-b']
-			# ${FOO_ST:FOO} returns
-			['-a', '-b', 'p1', '-a', '-b', 'p2']
-		"""
-		tmp = self.env[var1]
-		if not tmp:
-			return []
-
-		if isinstance(var2, str):
-			it = self.env[var2]
-		else:
-			it = var2
-		if isinstance(tmp, str):
-			return [tmp % x for x in it]
-		else:
-			lst = []
-			for y in it:
-				lst.extend(tmp)
-				lst.append(y)
-			return lst
-
-	def __str__(self):
-		"string to display to the user"
-		name = self.__class__.__name__
-		if self.outputs:
-			if name.endswith(('lib', 'program')) or not self.inputs:
-				node = self.outputs[0]
-				return node.path_from(node.ctx.launch_node())
-		if not (self.inputs or self.outputs):
-			return self.__class__.__name__
-		if len(self.inputs) == 1:
-			node = self.inputs[0]
-			return node.path_from(node.ctx.launch_node())
-
-		src_str = ' '.join([a.path_from(a.ctx.launch_node()) for a in self.inputs])
-		tgt_str = ' '.join([a.path_from(a.ctx.launch_node()) for a in self.outputs])
-		if self.outputs:
-			sep = ' -> '
-		else:
-			sep = ''
-		return '%s: %s%s%s' % (self.__class__.__name__, src_str, sep, tgt_str)
-
-	def keyword(self):
-		"Display keyword used to prettify the console outputs"
-		name = self.__class__.__name__
-		if name.endswith(('lib', 'program')):
-			return 'Linking'
-		if len(self.inputs) == 1 and len(self.outputs) == 1:
-			return 'Compiling'
-		if not self.inputs:
-			if self.outputs:
-				return 'Creating'
-			else:
-				return 'Running'
-		return 'Processing'
-
-	def __repr__(self):
-		"for debugging purposes"
-		try:
-			ins = ",".join([x.name for x in self.inputs])
-			outs = ",".join([x.name for x in self.outputs])
-		except AttributeError:
-			ins = ",".join([str(x) for x in self.inputs])
-			outs = ",".join([str(x) for x in self.outputs])
-		return "".join(['\n\t{task %r: ' % id(self), self.__class__.__name__, " ", ins, " -> ", outs, '}'])
-
-	def uid(self):
-		"""
-		Returns an identifier used to determine if tasks are up-to-date. Since the
-		identifier will be stored between executions, it must be:
-
-			- unique for a task: no two tasks return the same value (for a given build context)
-			- the same for a given task instance
-
-		By default, the node paths, the class name, and the function are used
-		as inputs to compute a hash.
-
-		The pointer to the object (python built-in 'id') will change between build executions,
-		and must be avoided in such hashes.
-
-		:return: hash value
-		:rtype: string
-		"""
-		try:
-			return self.uid_
-		except AttributeError:
-			m = Utils.md5(self.__class__.__name__)
-			up = m.update
-			for x in self.inputs + self.outputs:
-				up(x.abspath())
-			self.uid_ = m.digest()
-			return self.uid_
-
-	def set_inputs(self, inp):
-		"""
-		Appends the nodes to the *inputs* list
-
-		:param inp: input nodes
-		:type inp: node or list of nodes
-		"""
-		if isinstance(inp, list):
-			self.inputs += inp
-		else:
-			self.inputs.append(inp)
-
-	def set_outputs(self, out):
-		"""
-		Appends the nodes to the *outputs* list
-
-		:param out: output nodes
-		:type out: node or list of nodes
-		"""
-		if isinstance(out, list):
-			self.outputs += out
-		else:
-			self.outputs.append(out)
-
-	def set_run_after(self, task):
-		"""
-		Run this task only after the given *task*.
-
-		Calling this method from :py:meth:`waflib.Task.Task.runnable_status` may cause
-		build deadlocks; see :py:meth:`waflib.Tools.fc.fc.runnable_status` for details.
-
-		:param task: task
-		:type task: :py:class:`waflib.Task.Task`
-		"""
-		assert isinstance(task, Task)
-		self.run_after.add(task)
-
-	def signature(self):
-		"""
-		Task signatures are stored between build executions, they are use to track the changes
-		made to the input nodes (not to the outputs!). The signature hashes data from various sources:
-
-		* explicit dependencies: files listed in the inputs (list of node objects) :py:meth:`waflib.Task.Task.sig_explicit_deps`
-		* implicit dependencies: list of nodes returned by scanner methods (when present) :py:meth:`waflib.Task.Task.sig_implicit_deps`
-		* hashed data: variables/values read from task.vars/task.env :py:meth:`waflib.Task.Task.sig_vars`
-
-		If the signature is expected to give a different result, clear the cache kept in ``self.cache_sig``::
-
-			from waflib import Task
-			class cls(Task.Task):
-				def signature(self):
-					sig = super(Task.Task, self).signature()
-					delattr(self, 'cache_sig')
-					return super(Task.Task, self).signature()
-
-		:return: the signature value
-		:rtype: string or bytes
-		"""
-		try:
-			return self.cache_sig
-		except AttributeError:
-			pass
-
-		self.m = Utils.md5(self.hcode)
-
-		# explicit deps
-		self.sig_explicit_deps()
-
-		# env vars
-		self.sig_vars()
-
-		# implicit deps / scanner results
-		if self.scan:
-			try:
-				self.sig_implicit_deps()
-			except Errors.TaskRescan:
-				return self.signature()
-
-		ret = self.cache_sig = self.m.digest()
-		return ret
-
-	def runnable_status(self):
-		"""
-		Returns the Task status
-
-		:return: a task state in :py:const:`waflib.Task.RUN_ME`,
-			:py:const:`waflib.Task.SKIP_ME`, :py:const:`waflib.Task.CANCEL_ME` or :py:const:`waflib.Task.ASK_LATER`.
-		:rtype: int
-		"""
-		bld = self.generator.bld
-		if bld.is_install < 0:
-			return SKIP_ME
-
-		for t in self.run_after:
-			if not t.hasrun:
-				return ASK_LATER
-			elif t.hasrun < SKIPPED:
-				# a dependency has an error
-				return CANCEL_ME
-
-		# first compute the signature
-		try:
-			new_sig = self.signature()
-		except Errors.TaskNotReady:
-			return ASK_LATER
-
-		# compare the signature to a signature computed previously
-		key = self.uid()
-		try:
-			prev_sig = bld.task_sigs[key]
-		except KeyError:
-			Logs.debug('task: task %r must run: it was never run before or the task code changed', self)
-			return RUN_ME
-
-		if new_sig != prev_sig:
-			Logs.debug('task: task %r must run: the task signature changed', self)
-			return RUN_ME
-
-		# compare the signatures of the outputs
-		for node in self.outputs:
-			sig = bld.node_sigs.get(node)
-			if not sig:
-				Logs.debug('task: task %r must run: an output node has no signature', self)
-				return RUN_ME
-			if sig != key:
-				Logs.debug('task: task %r must run: an output node was produced by another task', self)
-				return RUN_ME
-			if not node.exists():
-				Logs.debug('task: task %r must run: an output node does not exist', self)
-				return RUN_ME
-
-		return (self.always_run and RUN_ME) or SKIP_ME
-
-	def post_run(self):
-		"""
-		Called after successful execution to record that the task has run by
-		updating the entry in :py:attr:`waflib.Build.BuildContext.task_sigs`.
-		"""
-		bld = self.generator.bld
-		for node in self.outputs:
-			if not node.exists():
-				self.hasrun = MISSING
-				self.err_msg = '-> missing file: %r' % node.abspath()
-				raise Errors.WafError(self.err_msg)
-			bld.node_sigs[node] = self.uid() # make sure this task produced the files in question
-		bld.task_sigs[self.uid()] = self.signature()
-		if not self.keep_last_cmd:
-			try:
-				del self.last_cmd
-			except AttributeError:
-				pass
-
-	def sig_explicit_deps(self):
-		"""
-		Used by :py:meth:`waflib.Task.Task.signature`; it hashes :py:attr:`waflib.Task.Task.inputs`
-		and :py:attr:`waflib.Task.Task.dep_nodes` signatures.
-		"""
-		bld = self.generator.bld
-		upd = self.m.update
-
-		# the inputs
-		for x in self.inputs + self.dep_nodes:
-			upd(x.get_bld_sig())
-
-		# manual dependencies, they can slow down the builds
-		if bld.deps_man:
-			additional_deps = bld.deps_man
-			for x in self.inputs + self.outputs:
-				try:
-					d = additional_deps[x]
-				except KeyError:
-					continue
-
-				for v in d:
-					try:
-						v = v.get_bld_sig()
-					except AttributeError:
-						if hasattr(v, '__call__'):
-							v = v() # dependency is a function, call it
-					upd(v)
-
-	def sig_deep_inputs(self):
-		"""
-		Enable rebuilds on input files task signatures. Not used by default.
-
-		Example: hashes of output programs can be unchanged after being re-linked,
-		despite the libraries being different. This method can thus prevent stale unit test
-		results (waf_unit_test.py).
-
-		Hashing input file timestamps is another possibility for the implementation.
-		This may cause unnecessary rebuilds when input tasks are frequently executed.
-		Here is an implementation example::
-
-			lst = []
-			for node in self.inputs + self.dep_nodes:
-				st = os.stat(node.abspath())
-				lst.append(st.st_mtime)
-				lst.append(st.st_size)
-			self.m.update(Utils.h_list(lst))
-
-		The downside of the implementation is that it absolutely requires all build directory
-		files to be declared within the current build.
-		"""
-		bld = self.generator.bld
-		lst = [bld.task_sigs[bld.node_sigs[node]] for node in (self.inputs + self.dep_nodes) if node.is_bld()]
-		self.m.update(Utils.h_list(lst))
-
-	def sig_vars(self):
-		"""
-		Used by :py:meth:`waflib.Task.Task.signature`; it hashes :py:attr:`waflib.Task.Task.env` variables/values
-		When overriding this method, and if scriptlet expressions are used, make sure to follow
-		the code in :py:meth:`waflib.Task.Task.compile_sig_vars` to enable dependencies on scriptlet results.
-
-		This method may be replaced on subclasses by the metaclass to force dependencies on scriptlet code.
-		"""
-		sig = self.generator.bld.hash_env_vars(self.env, self.vars)
-		self.m.update(sig)
-
-	scan = None
-	"""
-	This method, when provided, returns a tuple containing:
-
-	* a list of nodes corresponding to real files
-	* a list of names for files not found in path_lst
-
-	For example::
-
-		from waflib.Task import Task
-		class mytask(Task):
-			def scan(self, node):
-				return ([], [])
-
-	The first and second lists in the tuple are stored in :py:attr:`waflib.Build.BuildContext.node_deps` and
-	:py:attr:`waflib.Build.BuildContext.raw_deps` respectively.
-	"""
-
-	def sig_implicit_deps(self):
-		"""
-		Used by :py:meth:`waflib.Task.Task.signature`; it hashes node signatures
-		obtained by scanning for dependencies (:py:meth:`waflib.Task.Task.scan`).
-
-		The exception :py:class:`waflib.Errors.TaskRescan` is thrown
-		when a file has changed. In this case, the method :py:meth:`waflib.Task.Task.signature` is called
-		once again, and return here to call :py:meth:`waflib.Task.Task.scan` and searching for dependencies.
-		"""
-		bld = self.generator.bld
-
-		# get the task signatures from previous runs
-		key = self.uid()
-		prev = bld.imp_sigs.get(key, [])
-
-		# for issue #379
-		if prev:
-			try:
-				if prev == self.compute_sig_implicit_deps():
-					return prev
-			except Errors.TaskNotReady:
-				raise
-			except EnvironmentError:
-				# when a file was renamed, remove the stale nodes (headers in folders without source files)
-				# this will break the order calculation for headers created during the build in the source directory (should be uncommon)
-				# the behaviour will differ when top != out
-				for x in bld.node_deps.get(self.uid(), []):
-					if not x.is_bld() and not x.exists():
-						try:
-							del x.parent.children[x.name]
-						except KeyError:
-							pass
-			del bld.imp_sigs[key]
-			raise Errors.TaskRescan('rescan')
-
-		# no previous run or the signature of the dependencies has changed, rescan the dependencies
-		(bld.node_deps[key], bld.raw_deps[key]) = self.scan()
-		if Logs.verbose:
-			Logs.debug('deps: scanner for %s: %r; unresolved: %r', self, bld.node_deps[key], bld.raw_deps[key])
-
-		# recompute the signature and return it
-		try:
-			bld.imp_sigs[key] = self.compute_sig_implicit_deps()
-		except EnvironmentError:
-			for k in bld.node_deps.get(self.uid(), []):
-				if not k.exists():
-					Logs.warn('Dependency %r for %r is missing: check the task declaration and the build order!', k, self)
-			raise
-
-	def compute_sig_implicit_deps(self):
-		"""
-		Used by :py:meth:`waflib.Task.Task.sig_implicit_deps` for computing the actual hash of the
-		:py:class:`waflib.Node.Node` returned by the scanner.
-
-		:return: a hash value for the implicit dependencies
-		:rtype: string or bytes
-		"""
-		upd = self.m.update
-		self.are_implicit_nodes_ready()
-
-		# scanner returns a node that does not have a signature
-		# just *ignore* the error and let them figure out from the compiler output
-		# waf -k behaviour
-		for k in self.generator.bld.node_deps.get(self.uid(), []):
-			upd(k.get_bld_sig())
-		return self.m.digest()
-
-	def are_implicit_nodes_ready(self):
-		"""
-		For each node returned by the scanner, see if there is a task that creates it,
-		and infer the build order
-
-		This has a low performance impact on null builds (1.86s->1.66s) thanks to caching (28s->1.86s)
-		"""
-		bld = self.generator.bld
-		try:
-			cache = bld.dct_implicit_nodes
-		except AttributeError:
-			bld.dct_implicit_nodes = cache = {}
-
-		# one cache per build group
-		try:
-			dct = cache[bld.current_group]
-		except KeyError:
-			dct = cache[bld.current_group] = {}
-			for tsk in bld.cur_tasks:
-				for x in tsk.outputs:
-					dct[x] = tsk
-
-		modified = False
-		for x in bld.node_deps.get(self.uid(), []):
-			if x in dct:
-				self.run_after.add(dct[x])
-				modified = True
-
-		if modified:
-			for tsk in self.run_after:
-				if not tsk.hasrun:
-					#print "task is not ready..."
-					raise Errors.TaskNotReady('not ready')
-if sys.hexversion > 0x3000000:
-	def uid(self):
-		try:
-			return self.uid_
-		except AttributeError:
-			m = Utils.md5(self.__class__.__name__.encode('latin-1', 'xmlcharrefreplace'))
-			up = m.update
-			for x in self.inputs + self.outputs:
-				up(x.abspath().encode('latin-1', 'xmlcharrefreplace'))
-			self.uid_ = m.digest()
-			return self.uid_
-	uid.__doc__ = Task.uid.__doc__
-	Task.uid = uid
-
-def is_before(t1, t2):
-	"""
-	Returns a non-zero value if task t1 is to be executed before task t2::
-
-		t1.ext_out = '.h'
-		t2.ext_in = '.h'
-		t2.after = ['t1']
-		t1.before = ['t2']
-		waflib.Task.is_before(t1, t2) # True
-
-	:param t1: Task object
-	:type t1: :py:class:`waflib.Task.Task`
-	:param t2: Task object
-	:type t2: :py:class:`waflib.Task.Task`
-	"""
-	to_list = Utils.to_list
-	for k in to_list(t2.ext_in):
-		if k in to_list(t1.ext_out):
-			return 1
-
-	if t1.__class__.__name__ in to_list(t2.after):
-		return 1
-
-	if t2.__class__.__name__ in to_list(t1.before):
-		return 1
-
-	return 0
-
-def set_file_constraints(tasks):
-	"""
-	Updates the ``run_after`` attribute of all tasks based on the task inputs and outputs
-
-	:param tasks: tasks
-	:type tasks: list of :py:class:`waflib.Task.Task`
-	"""
-	ins = Utils.defaultdict(set)
-	outs = Utils.defaultdict(set)
-	for x in tasks:
-		for a in x.inputs:
-			ins[a].add(x)
-		for a in x.dep_nodes:
-			ins[a].add(x)
-		for a in x.outputs:
-			outs[a].add(x)
-
-	links = set(ins.keys()).intersection(outs.keys())
-	for k in links:
-		for a in ins[k]:
-			a.run_after.update(outs[k])
-
-
-class TaskGroup(object):
-	"""
-	Wrap nxm task order constraints into a single object
-	to prevent the creation of large list/set objects
-
-	This is an optimization
-	"""
-	def __init__(self, prev, next):
-		self.prev = prev
-		self.next = next
-		self.done = False
-
-	def get_hasrun(self):
-		for k in self.prev:
-			if not k.hasrun:
-				return NOT_RUN
-		return SUCCESS
-
-	hasrun = property(get_hasrun, None)
-
-def set_precedence_constraints(tasks):
-	"""
-	Updates the ``run_after`` attribute of all tasks based on the after/before/ext_out/ext_in attributes
-
-	:param tasks: tasks
-	:type tasks: list of :py:class:`waflib.Task.Task`
-	"""
-	cstr_groups = Utils.defaultdict(list)
-	for x in tasks:
-		h = x.hash_constraints()
-		cstr_groups[h].append(x)
-
-	keys = list(cstr_groups.keys())
-	maxi = len(keys)
-
-	# this list should be short
-	for i in range(maxi):
-		t1 = cstr_groups[keys[i]][0]
-		for j in range(i + 1, maxi):
-			t2 = cstr_groups[keys[j]][0]
-
-			# add the constraints based on the comparisons
-			if is_before(t1, t2):
-				a = i
-				b = j
-			elif is_before(t2, t1):
-				a = j
-				b = i
-			else:
-				continue
-
-			a = cstr_groups[keys[a]]
-			b = cstr_groups[keys[b]]
-
-			if len(a) < 2 or len(b) < 2:
-				for x in b:
-					x.run_after.update(a)
-			else:
-				group = TaskGroup(set(a), set(b))
-				for x in b:
-					x.run_after.add(group)
-
-def funex(c):
-	"""
-	Compiles a scriptlet expression into a Python function
-
-	:param c: function to compile
-	:type c: string
-	:return: the function 'f' declared in the input string
-	:rtype: function
-	"""
-	dc = {}
-	exec(c, dc)
-	return dc['f']
-
-re_cond = re.compile(r'(?P<var>\w+)|(?P<or>\|)|(?P<and>&)')
-re_novar = re.compile(r'^(SRC|TGT)\W+.*?$')
-reg_act = re.compile(r'(?P<backslash>\\)|(?P<dollar>\$\$)|(?P<subst>\$\{(?P<var>\w+)(?P<code>.*?)\})', re.M)
-def compile_fun_shell(line):
-	"""
-	Creates a compiled function to execute a process through a sub-shell
-	"""
-	extr = []
-	def repl(match):
-		g = match.group
-		if g('dollar'):
-			return "$"
-		elif g('backslash'):
-			return '\\\\'
-		elif g('subst'):
-			extr.append((g('var'), g('code')))
-			return "%s"
-		return None
-	line = reg_act.sub(repl, line) or line
-	dvars = []
-	def add_dvar(x):
-		if x not in dvars:
-			dvars.append(x)
-
-	def replc(m):
-		# performs substitutions and populates dvars
-		if m.group('and'):
-			return ' and '
-		elif m.group('or'):
-			return ' or '
-		else:
-			x = m.group('var')
-			add_dvar(x)
-			return 'env[%r]' % x
-
-	parm = []
-	app = parm.append
-	for (var, meth) in extr:
-		if var == 'SRC':
-			if meth:
-				app('tsk.inputs%s' % meth)
-			else:
-				app('" ".join([a.path_from(cwdx) for a in tsk.inputs])')
-		elif var == 'TGT':
-			if meth:
-				app('tsk.outputs%s' % meth)
-			else:
-				app('" ".join([a.path_from(cwdx) for a in tsk.outputs])')
-		elif meth:
-			if meth.startswith(':'):
-				add_dvar(var)
-				m = meth[1:]
-				if m == 'SRC':
-					m = '[a.path_from(cwdx) for a in tsk.inputs]'
-				elif m == 'TGT':
-					m = '[a.path_from(cwdx) for a in tsk.outputs]'
-				elif re_novar.match(m):
-					m = '[tsk.inputs%s]' % m[3:]
-				elif re_novar.match(m):
-					m = '[tsk.outputs%s]' % m[3:]
-				else:
-					add_dvar(m)
-					if m[:3] not in ('tsk', 'gen', 'bld'):
-						m = '%r' % m
-				app('" ".join(tsk.colon(%r, %s))' % (var, m))
-			elif meth.startswith('?'):
-				# In A?B|C output env.A if one of env.B or env.C is non-empty
-				expr = re_cond.sub(replc, meth[1:])
-				app('p(%r) if (%s) else ""' % (var, expr))
-			else:
-				call = '%s%s' % (var, meth)
-				add_dvar(call)
-				app(call)
-		else:
-			add_dvar(var)
-			app("p('%s')" % var)
-	if parm:
-		parm = "%% (%s) " % (',\n\t\t'.join(parm))
-	else:
-		parm = ''
-
-	c = COMPILE_TEMPLATE_SHELL % (line, parm)
-	Logs.debug('action: %s', c.strip().splitlines())
-	return (funex(c), dvars)
-
-reg_act_noshell = re.compile(r"(?P<space>\s+)|(?P<subst>\$\{(?P<var>\w+)(?P<code>.*?)\})|(?P<text>([^$ \t\n\r\f\v]|\$\$)+)", re.M)
-def compile_fun_noshell(line):
-	"""
-	Creates a compiled function to execute a process without a sub-shell
-	"""
-	buf = []
-	dvars = []
-	merge = False
-	app = buf.append
-
-	def add_dvar(x):
-		if x not in dvars:
-			dvars.append(x)
-
-	def replc(m):
-		# performs substitutions and populates dvars
-		if m.group('and'):
-			return ' and '
-		elif m.group('or'):
-			return ' or '
-		else:
-			x = m.group('var')
-			add_dvar(x)
-			return 'env[%r]' % x
-
-	for m in reg_act_noshell.finditer(line):
-		if m.group('space'):
-			merge = False
-			continue
-		elif m.group('text'):
-			app('[%r]' % m.group('text').replace('$$', '$'))
-		elif m.group('subst'):
-			var = m.group('var')
-			code = m.group('code')
-			if var == 'SRC':
-				if code:
-					app('[tsk.inputs%s]' % code)
-				else:
-					app('[a.path_from(cwdx) for a in tsk.inputs]')
-			elif var == 'TGT':
-				if code:
-					app('[tsk.outputs%s]' % code)
-				else:
-					app('[a.path_from(cwdx) for a in tsk.outputs]')
-			elif code:
-				if code.startswith(':'):
-					# a composed variable ${FOO:OUT}
-					add_dvar(var)
-					m = code[1:]
-					if m == 'SRC':
-						m = '[a.path_from(cwdx) for a in tsk.inputs]'
-					elif m == 'TGT':
-						m = '[a.path_from(cwdx) for a in tsk.outputs]'
-					elif re_novar.match(m):
-						m = '[tsk.inputs%s]' % m[3:]
-					elif re_novar.match(m):
-						m = '[tsk.outputs%s]' % m[3:]
-					else:
-						add_dvar(m)
-						if m[:3] not in ('tsk', 'gen', 'bld'):
-							m = '%r' % m
-					app('tsk.colon(%r, %s)' % (var, m))
-				elif code.startswith('?'):
-					# In A?B|C output env.A if one of env.B or env.C is non-empty
-					expr = re_cond.sub(replc, code[1:])
-					app('to_list(env[%r] if (%s) else [])' % (var, expr))
-				else:
-					# plain code such as ${tsk.inputs[0].abspath()}
-					call = '%s%s' % (var, code)
-					add_dvar(call)
-					app('to_list(%s)' % call)
-			else:
-				# a plain variable such as # a plain variable like ${AR}
-				app('to_list(env[%r])' % var)
-				add_dvar(var)
-		if merge:
-			tmp = 'merge(%s, %s)' % (buf[-2], buf[-1])
-			del buf[-1]
-			buf[-1] = tmp
-		merge = True # next turn
-
-	buf = ['lst.extend(%s)' % x for x in buf]
-	fun = COMPILE_TEMPLATE_NOSHELL % "\n\t".join(buf)
-	Logs.debug('action: %s', fun.strip().splitlines())
-	return (funex(fun), dvars)
-
-def compile_fun(line, shell=False):
-	"""
-	Parses a string expression such as '${CC} ${SRC} -o ${TGT}' and returns a pair containing:
-
-	* The function created (compiled) for use as :py:meth:`waflib.Task.Task.run`
-	* The list of variables that must cause rebuilds when *env* data is modified
-
-	for example::
-
-		from waflib.Task import compile_fun
-		compile_fun('cxx', '${CXX} -o ${TGT[0]} ${SRC} -I ${SRC[0].parent.bldpath()}')
-
-		def build(bld):
-			bld(source='wscript', rule='echo "foo\\${SRC[0].name}\\bar"')
-
-	The env variables (CXX, ..) on the task must not hold dicts so as to preserve a consistent order.
-	The reserved keywords ``TGT`` and ``SRC`` represent the task input and output nodes
-
-	"""
-	if isinstance(line, str):
-		if line.find('<') > 0 or line.find('>') > 0 or line.find('&&') > 0:
-			shell = True
-	else:
-		dvars_lst = []
-		funs_lst = []
-		for x in line:
-			if isinstance(x, str):
-				fun, dvars = compile_fun(x, shell)
-				dvars_lst += dvars
-				funs_lst.append(fun)
-			else:
-				# assume a function to let through
-				funs_lst.append(x)
-		def composed_fun(task):
-			for x in funs_lst:
-				ret = x(task)
-				if ret:
-					return ret
-			return None
-		return composed_fun, dvars_lst
-	if shell:
-		return compile_fun_shell(line)
-	else:
-		return compile_fun_noshell(line)
-
-def compile_sig_vars(vars):
-	"""
-	This method produces a sig_vars method suitable for subclasses that provide
-	scriptlet code in their run_str code.
-	If no such method can be created, this method returns None.
-
-	The purpose of the sig_vars method returned is to ensures
-	that rebuilds occur whenever the contents of the expression changes.
-	This is the case B below::
-
-		import time
-		# case A: regular variables
-		tg = bld(rule='echo ${FOO}')
-		tg.env.FOO = '%s' % time.time()
-		# case B
-		bld(rule='echo ${gen.foo}', foo='%s' % time.time())
-
-	:param vars: env variables such as CXXFLAGS or gen.foo
-	:type vars: list of string
-	:return: A sig_vars method relevant for dependencies if adequate, else None
-	:rtype: A function, or None in most cases
-	"""
-	buf = []
-	for x in sorted(vars):
-		if x[:3] in ('tsk', 'gen', 'bld'):
-			buf.append('buf.append(%s)' % x)
-	if buf:
-		return funex(COMPILE_TEMPLATE_SIG_VARS % '\n\t'.join(buf))
-	return None
-
-def task_factory(name, func=None, vars=None, color='GREEN', ext_in=[], ext_out=[], before=[], after=[], shell=False, scan=None):
-	"""
-	Returns a new task subclass with the function ``run`` compiled from the line given.
-
-	:param func: method run
-	:type func: string or function
-	:param vars: list of variables to hash
-	:type vars: list of string
-	:param color: color to use
-	:type color: string
-	:param shell: when *func* is a string, enable/disable the use of the shell
-	:type shell: bool
-	:param scan: method scan
-	:type scan: function
-	:rtype: :py:class:`waflib.Task.Task`
-	"""
-
-	params = {
-		'vars': vars or [], # function arguments are static, and this one may be modified by the class
-		'color': color,
-		'name': name,
-		'shell': shell,
-		'scan': scan,
-	}
-
-	if isinstance(func, str) or isinstance(func, tuple):
-		params['run_str'] = func
-	else:
-		params['run'] = func
-
-	cls = type(Task)(name, (Task,), params)
-	classes[name] = cls
-
-	if ext_in:
-		cls.ext_in = Utils.to_list(ext_in)
-	if ext_out:
-		cls.ext_out = Utils.to_list(ext_out)
-	if before:
-		cls.before = Utils.to_list(before)
-	if after:
-		cls.after = Utils.to_list(after)
-
-	return cls
-
-def deep_inputs(cls):
-	"""
-	Task class decorator to enable rebuilds on input files task signatures
-	"""
-	def sig_explicit_deps(self):
-		Task.sig_explicit_deps(self)
-		Task.sig_deep_inputs(self)
-	cls.sig_explicit_deps = sig_explicit_deps
-	return cls
-
-TaskBase = Task
-"Provided for compatibility reasons, TaskBase should not be used"
-
-class TaskSemaphore(object):
-	"""
-	Task semaphores provide a simple and efficient way of throttling the amount of
-	a particular task to run concurrently. The throttling value is capped
-	by the amount of maximum jobs, so for example, a `TaskSemaphore(10)`
-	has no effect in a `-j2` build.
-
-	Task semaphores are typically specified on the task class level::
-
-		class compile(waflib.Task.Task):
-			semaphore = waflib.Task.TaskSemaphore(2)
-			run_str = 'touch ${TGT}'
-
-	Task semaphores are meant to be used by the build scheduler in the main
-	thread, so there are no guarantees of thread safety.
-	"""
-	def __init__(self, num):
-		"""
-		:param num: maximum value of concurrent tasks
-		:type num: int
-		"""
-		self.num = num
-		self.locking = set()
-		self.waiting = set()
-
-	def is_locked(self):
-		"""Returns True if this semaphore cannot be acquired by more tasks"""
-		return len(self.locking) >= self.num
-
-	def acquire(self, tsk):
-		"""
-		Mark the semaphore as used by the given task (not re-entrant).
-
-		:param tsk: task object
-		:type tsk: :py:class:`waflib.Task.Task`
-		:raises: :py:class:`IndexError` in case the resource is already acquired
-		"""
-		if self.is_locked():
-			raise IndexError('Cannot lock more %r' % self.locking)
-		self.locking.add(tsk)
-
-	def release(self, tsk):
-		"""
-		Mark the semaphore as unused by the given task.
-
-		:param tsk: task object
-		:type tsk: :py:class:`waflib.Task.Task`
-		:raises: :py:class:`KeyError` in case the resource is not acquired by the task
-		"""
-		self.locking.remove(tsk)
-
diff --git a/waflib/TaskGen.py b/waflib/TaskGen.py
deleted file mode 100644
index 532b7d5c..00000000
--- a/waflib/TaskGen.py
+++ /dev/null
@@ -1,917 +0,0 @@
-#!/usr/bin/env python
-# encoding: utf-8
-# Thomas Nagy, 2005-2018 (ita)
-
-"""
-Task generators
-
-The class :py:class:`waflib.TaskGen.task_gen` encapsulates the creation of task objects (low-level code)
-The instances can have various parameters, but the creation of task nodes (Task.py)
-is deferred. To achieve this, various methods are called from the method "apply"
-"""
-
-import copy, re, os, functools
-from waflib import Task, Utils, Logs, Errors, ConfigSet, Node
-
-feats = Utils.defaultdict(set)
-"""remember the methods declaring features"""
-
-HEADER_EXTS = ['.h', '.hpp', '.hxx', '.hh']
-
-class task_gen(object):
-	"""
-	Instances of this class create :py:class:`waflib.Task.Task` when
-	calling the method :py:meth:`waflib.TaskGen.task_gen.post` from the main thread.
-	A few notes:
-
-	* The methods to call (*self.meths*) can be specified dynamically (removing, adding, ..)
-	* The 'features' are used to add methods to self.meths and then execute them
-	* The attribute 'path' is a node representing the location of the task generator
-	* The tasks created are added to the attribute *tasks*
-	* The attribute 'idx' is a counter of task generators in the same path
-	"""
-
-	mappings = Utils.ordered_iter_dict()
-	"""Mappings are global file extension mappings that are retrieved in the order of definition"""
-
-	prec = Utils.defaultdict(set)
-	"""Dict that holds the precedence execution rules for task generator methods"""
-
-	def __init__(self, *k, **kw):
-		"""
-		Task generator objects predefine various attributes (source, target) for possible
-		processing by process_rule (make-like rules) or process_source (extensions, misc methods)
-
-		Tasks are stored on the attribute 'tasks'. They are created by calling methods
-		listed in ``self.meths`` or referenced in the attribute ``features``
-		A topological sort is performed to execute the methods in correct order.
-
-		The extra key/value elements passed in ``kw`` are set as attributes
-		"""
-		self.source = []
-		self.target = ''
-
-		self.meths = []
-		"""
-		List of method names to execute (internal)
-		"""
-
-		self.features = []
-		"""
-		List of feature names for bringing new methods in
-		"""
-
-		self.tasks = []
-		"""
-		Tasks created are added to this list
-		"""
-
-		if not 'bld' in kw:
-			# task generators without a build context :-/
-			self.env = ConfigSet.ConfigSet()
-			self.idx = 0
-			self.path = None
-		else:
-			self.bld = kw['bld']
-			self.env = self.bld.env.derive()
-			self.path = kw.get('path', self.bld.path) # by default, emulate chdir when reading scripts
-
-			# Provide a unique index per folder
-			# This is part of a measure to prevent output file name collisions
-			path = self.path.abspath()
-			try:
-				self.idx = self.bld.idx[path] = self.bld.idx.get(path, 0) + 1
-			except AttributeError:
-				self.bld.idx = {}
-				self.idx = self.bld.idx[path] = 1
-
-			# Record the global task generator count
-			try:
-				self.tg_idx_count = self.bld.tg_idx_count = self.bld.tg_idx_count + 1
-			except AttributeError:
-				self.tg_idx_count = self.bld.tg_idx_count = 1
-
-		for key, val in kw.items():
-			setattr(self, key, val)
-
-	def __str__(self):
-		"""Debugging helper"""
-		return "<task_gen %r declared in %s>" % (self.name, self.path.abspath())
-
-	def __repr__(self):
-		"""Debugging helper"""
-		lst = []
-		for x in self.__dict__:
-			if x not in ('env', 'bld', 'compiled_tasks', 'tasks'):
-				lst.append("%s=%s" % (x, repr(getattr(self, x))))
-		return "bld(%s) in %s" % (", ".join(lst), self.path.abspath())
-
-	def get_cwd(self):
-		"""
-		Current working directory for the task generator, defaults to the build directory.
-		This is still used in a few places but it should disappear at some point as the classes
-		define their own working directory.
-
-		:rtype: :py:class:`waflib.Node.Node`
-		"""
-		return self.bld.bldnode
-
-	def get_name(self):
-		"""
-		If the attribute ``name`` is not set on the instance,
-		the name is computed from the target name::
-
-			def build(bld):
-				x = bld(name='foo')
-				x.get_name() # foo
-				y = bld(target='bar')
-				y.get_name() # bar
-
-		:rtype: string
-		:return: name of this task generator
-		"""
-		try:
-			return self._name
-		except AttributeError:
-			if isinstance(self.target, list):
-				lst = [str(x) for x in self.target]
-				name = self._name = ','.join(lst)
-			else:
-				name = self._name = str(self.target)
-			return name
-	def set_name(self, name):
-		self._name = name
-
-	name = property(get_name, set_name)
-
-	def to_list(self, val):
-		"""
-		Ensures that a parameter is a list, see :py:func:`waflib.Utils.to_list`
-
-		:type val: string or list of string
-		:param val: input to return as a list
-		:rtype: list
-		"""
-		if isinstance(val, str):
-			return val.split()
-		else:
-			return val
-
-	def post(self):
-		"""
-		Creates tasks for this task generators. The following operations are performed:
-
-		#. The body of this method is called only once and sets the attribute ``posted``
-		#. The attribute ``features`` is used to add more methods in ``self.meths``
-		#. The methods are sorted by the precedence table ``self.prec`` or `:waflib:attr:waflib.TaskGen.task_gen.prec`
-		#. The methods are then executed in order
-		#. The tasks created are added to :py:attr:`waflib.TaskGen.task_gen.tasks`
-		"""
-		if getattr(self, 'posted', None):
-			return False
-		self.posted = True
-
-		keys = set(self.meths)
-		keys.update(feats['*'])
-
-		# add the methods listed in the features
-		self.features = Utils.to_list(self.features)
-		for x in self.features:
-			st = feats[x]
-			if st:
-				keys.update(st)
-			elif not x in Task.classes:
-				Logs.warn('feature %r does not exist - bind at least one method to it?', x)
-
-		# copy the precedence table
-		prec = {}
-		prec_tbl = self.prec
-		for x in prec_tbl:
-			if x in keys:
-				prec[x] = prec_tbl[x]
-
-		# elements disconnected
-		tmp = []
-		for a in keys:
-			for x in prec.values():
-				if a in x:
-					break
-			else:
-				tmp.append(a)
-
-		tmp.sort(reverse=True)
-
-		# topological sort
-		out = []
-		while tmp:
-			e = tmp.pop()
-			if e in keys:
-				out.append(e)
-			try:
-				nlst = prec[e]
-			except KeyError:
-				pass
-			else:
-				del prec[e]
-				for x in nlst:
-					for y in prec:
-						if x in prec[y]:
-							break
-					else:
-						tmp.append(x)
-						tmp.sort(reverse=True)
-
-		if prec:
-			buf = ['Cycle detected in the method execution:']
-			for k, v in prec.items():
-				buf.append('- %s after %s' % (k, [x for x in v if x in prec]))
-			raise Errors.WafError('\n'.join(buf))
-		self.meths = out
-
-		# then we run the methods in order
-		Logs.debug('task_gen: posting %s %d', self, id(self))
-		for x in out:
-			try:
-				v = getattr(self, x)
-			except AttributeError:
-				raise Errors.WafError('%r is not a valid task generator method' % x)
-			Logs.debug('task_gen: -> %s (%d)', x, id(self))
-			v()
-
-		Logs.debug('task_gen: posted %s', self.name)
-		return True
-
-	def get_hook(self, node):
-		"""
-		Returns the ``@extension`` method to call for a Node of a particular extension.
-
-		:param node: Input file to process
-		:type node: :py:class:`waflib.Tools.Node.Node`
-		:return: A method able to process the input node by looking at the extension
-		:rtype: function
-		"""
-		name = node.name
-		for k in self.mappings:
-			try:
-				if name.endswith(k):
-					return self.mappings[k]
-			except TypeError:
-				# regexps objects
-				if k.match(name):
-					return self.mappings[k]
-		keys = list(self.mappings.keys())
-		raise Errors.WafError("File %r has no mapping in %r (load a waf tool?)" % (node, keys))
-
-	def create_task(self, name, src=None, tgt=None, **kw):
-		"""
-		Creates task instances.
-
-		:param name: task class name
-		:type name: string
-		:param src: input nodes
-		:type src: list of :py:class:`waflib.Tools.Node.Node`
-		:param tgt: output nodes
-		:type tgt: list of :py:class:`waflib.Tools.Node.Node`
-		:return: A task object
-		:rtype: :py:class:`waflib.Task.Task`
-		"""
-		task = Task.classes[name](env=self.env.derive(), generator=self)
-		if src:
-			task.set_inputs(src)
-		if tgt:
-			task.set_outputs(tgt)
-		task.__dict__.update(kw)
-		self.tasks.append(task)
-		return task
-
-	def clone(self, env):
-		"""
-		Makes a copy of a task generator. Once the copy is made, it is necessary to ensure that the
-		it does not create the same output files as the original, or the same files may
-		be compiled several times.
-
-		:param env: A configuration set
-		:type env: :py:class:`waflib.ConfigSet.ConfigSet`
-		:return: A copy
-		:rtype: :py:class:`waflib.TaskGen.task_gen`
-		"""
-		newobj = self.bld()
-		for x in self.__dict__:
-			if x in ('env', 'bld'):
-				continue
-			elif x in ('path', 'features'):
-				setattr(newobj, x, getattr(self, x))
-			else:
-				setattr(newobj, x, copy.copy(getattr(self, x)))
-
-		newobj.posted = False
-		if isinstance(env, str):
-			newobj.env = self.bld.all_envs[env].derive()
-		else:
-			newobj.env = env.derive()
-
-		return newobj
-
-def declare_chain(name='', rule=None, reentrant=None, color='BLUE',
-	ext_in=[], ext_out=[], before=[], after=[], decider=None, scan=None, install_path=None, shell=False):
-	"""
-	Creates a new mapping and a task class for processing files by extension.
-	See Tools/flex.py for an example.
-
-	:param name: name for the task class
-	:type name: string
-	:param rule: function to execute or string to be compiled in a function
-	:type rule: string or function
-	:param reentrant: re-inject the output file in the process (done automatically, set to 0 to disable)
-	:type reentrant: int
-	:param color: color for the task output
-	:type color: string
-	:param ext_in: execute the task only after the files of such extensions are created
-	:type ext_in: list of string
-	:param ext_out: execute the task only before files of such extensions are processed
-	:type ext_out: list of string
-	:param before: execute instances of this task before classes of the given names
-	:type before: list of string
-	:param after: execute instances of this task after classes of the given names
-	:type after: list of string
-	:param decider: if present, function that returns a list of output file extensions (overrides ext_out for output files, but not for the build order)
-	:type decider: function
-	:param scan: scanner function for the task
-	:type scan: function
-	:param install_path: installation path for the output nodes
-	:type install_path: string
-	"""
-	ext_in = Utils.to_list(ext_in)
-	ext_out = Utils.to_list(ext_out)
-	if not name:
-		name = rule
-	cls = Task.task_factory(name, rule, color=color, ext_in=ext_in, ext_out=ext_out, before=before, after=after, scan=scan, shell=shell)
-
-	def x_file(self, node):
-		if ext_in:
-			_ext_in = ext_in[0]
-
-		tsk = self.create_task(name, node)
-		cnt = 0
-
-		ext = decider(self, node) if decider else cls.ext_out
-		for x in ext:
-			k = node.change_ext(x, ext_in=_ext_in)
-			tsk.outputs.append(k)
-
-			if reentrant != None:
-				if cnt < int(reentrant):
-					self.source.append(k)
-			else:
-				# reinject downstream files into the build
-				for y in self.mappings: # ~ nfile * nextensions :-/
-					if k.name.endswith(y):
-						self.source.append(k)
-						break
-			cnt += 1
-
-		if install_path:
-			self.install_task = self.add_install_files(install_to=install_path, install_from=tsk.outputs)
-		return tsk
-
-	for x in cls.ext_in:
-		task_gen.mappings[x] = x_file
-	return x_file
-
-def taskgen_method(func):
-	"""
-	Decorator that registers method as a task generator method.
-	The function must accept a task generator as first parameter::
-
-		from waflib.TaskGen import taskgen_method
-		@taskgen_method
-		def mymethod(self):
-			pass
-
-	:param func: task generator method to add
-	:type func: function
-	:rtype: function
-	"""
-	setattr(task_gen, func.__name__, func)
-	return func
-
-def feature(*k):
-	"""
-	Decorator that registers a task generator method that will be executed when the
-	object attribute ``feature`` contains the corresponding key(s)::
-
-		from waflib.Task import feature
-		@feature('myfeature')
-		def myfunction(self):
-			print('that is my feature!')
-		def build(bld):
-			bld(features='myfeature')
-
-	:param k: feature names
-	:type k: list of string
-	"""
-	def deco(func):
-		setattr(task_gen, func.__name__, func)
-		for name in k:
-			feats[name].update([func.__name__])
-		return func
-	return deco
-
-def before_method(*k):
-	"""
-	Decorator that registera task generator method which will be executed
-	before the functions of given name(s)::
-
-		from waflib.TaskGen import feature, before
-		@feature('myfeature')
-		@before_method('fun2')
-		def fun1(self):
-			print('feature 1!')
-		@feature('myfeature')
-		def fun2(self):
-			print('feature 2!')
-		def build(bld):
-			bld(features='myfeature')
-
-	:param k: method names
-	:type k: list of string
-	"""
-	def deco(func):
-		setattr(task_gen, func.__name__, func)
-		for fun_name in k:
-			task_gen.prec[func.__name__].add(fun_name)
-		return func
-	return deco
-before = before_method
-
-def after_method(*k):
-	"""
-	Decorator that registers a task generator method which will be executed
-	after the functions of given name(s)::
-
-		from waflib.TaskGen import feature, after
-		@feature('myfeature')
-		@after_method('fun2')
-		def fun1(self):
-			print('feature 1!')
-		@feature('myfeature')
-		def fun2(self):
-			print('feature 2!')
-		def build(bld):
-			bld(features='myfeature')
-
-	:param k: method names
-	:type k: list of string
-	"""
-	def deco(func):
-		setattr(task_gen, func.__name__, func)
-		for fun_name in k:
-			task_gen.prec[fun_name].add(func.__name__)
-		return func
-	return deco
-after = after_method
-
-def extension(*k):
-	"""
-	Decorator that registers a task generator method which will be invoked during
-	the processing of source files for the extension given::
-
-		from waflib import Task
-		class mytask(Task):
-			run_str = 'cp ${SRC} ${TGT}'
-		@extension('.moo')
-		def create_maa_file(self, node):
-			self.create_task('mytask', node, node.change_ext('.maa'))
-		def build(bld):
-			bld(source='foo.moo')
-	"""
-	def deco(func):
-		setattr(task_gen, func.__name__, func)
-		for x in k:
-			task_gen.mappings[x] = func
-		return func
-	return deco
-
-@taskgen_method
-def to_nodes(self, lst, path=None):
-	"""
-	Flatten the input list of string/nodes/lists into a list of nodes.
-
-	It is used by :py:func:`waflib.TaskGen.process_source` and :py:func:`waflib.TaskGen.process_rule`.
-	It is designed for source files, for folders, see :py:func:`waflib.Tools.ccroot.to_incnodes`:
-
-	:param lst: input list
-	:type lst: list of string and nodes
-	:param path: path from which to search the nodes (by default, :py:attr:`waflib.TaskGen.task_gen.path`)
-	:type path: :py:class:`waflib.Tools.Node.Node`
-	:rtype: list of :py:class:`waflib.Tools.Node.Node`
-	"""
-	tmp = []
-	path = path or self.path
-	find = path.find_resource
-
-	if isinstance(lst, Node.Node):
-		lst = [lst]
-
-	for x in Utils.to_list(lst):
-		if isinstance(x, str):
-			node = find(x)
-		elif hasattr(x, 'name'):
-			node = x
-		else:
-			tmp.extend(self.to_nodes(x))
-			continue
-		if not node:
-			raise Errors.WafError('source not found: %r in %r' % (x, self))
-		tmp.append(node)
-	return tmp
-
-@feature('*')
-def process_source(self):
-	"""
-	Processes each element in the attribute ``source`` by extension.
-
-	#. The *source* list is converted through :py:meth:`waflib.TaskGen.to_nodes` to a list of :py:class:`waflib.Node.Node` first.
-	#. File extensions are mapped to methods having the signature: ``def meth(self, node)`` by :py:meth:`waflib.TaskGen.extension`
-	#. The method is retrieved through :py:meth:`waflib.TaskGen.task_gen.get_hook`
-	#. When called, the methods may modify self.source to append more source to process
-	#. The mappings can map an extension or a filename (see the code below)
-	"""
-	self.source = self.to_nodes(getattr(self, 'source', []))
-	for node in self.source:
-		self.get_hook(node)(self, node)
-
-@feature('*')
-@before_method('process_source')
-def process_rule(self):
-	"""
-	Processes the attribute ``rule``. When present, :py:meth:`waflib.TaskGen.process_source` is disabled::
-
-		def build(bld):
-			bld(rule='cp ${SRC} ${TGT}', source='wscript', target='bar.txt')
-
-	Main attributes processed:
-
-	* rule: command to execute, it can be a tuple of strings for multiple commands
-	* chmod: permissions for the resulting files (integer value such as Utils.O755)
-	* shell: set to False to execute the command directly (default is True to use a shell)
-	* scan: scanner function
-	* vars: list of variables to trigger rebuilds, such as CFLAGS
-	* cls_str: string to display when executing the task
-	* cls_keyword: label to display when executing the task
-	* cache_rule: by default, try to re-use similar classes, set to False to disable
-	* source: list of Node or string objects representing the source files required by this task
-	* target: list of Node or string objects representing the files that this task creates
-	* cwd: current working directory (Node or string)
-	* stdout: standard output, set to None to prevent waf from capturing the text
-	* stderr: standard error, set to None to prevent waf from capturing the text
-	* timeout: timeout for command execution (Python 3)
-	* always: whether to always run the command (False by default)
-	* deep_inputs: whether the task must depend on the input file tasks too (False by default)
-	"""
-	if not getattr(self, 'rule', None):
-		return
-
-	# create the task class
-	name = str(getattr(self, 'name', None) or self.target or getattr(self.rule, '__name__', self.rule))
-
-	# or we can put the class in a cache for performance reasons
-	try:
-		cache = self.bld.cache_rule_attr
-	except AttributeError:
-		cache = self.bld.cache_rule_attr = {}
-
-	chmod = getattr(self, 'chmod', None)
-	shell = getattr(self, 'shell', True)
-	color = getattr(self, 'color', 'BLUE')
-	scan = getattr(self, 'scan', None)
-	_vars = getattr(self, 'vars', [])
-	cls_str = getattr(self, 'cls_str', None)
-	cls_keyword = getattr(self, 'cls_keyword', None)
-	use_cache = getattr(self, 'cache_rule', 'True')
-	deep_inputs = getattr(self, 'deep_inputs', False)
-
-	scan_val = has_deps = hasattr(self, 'deps')
-	if scan:
-		scan_val = id(scan)
-
-	key = Utils.h_list((name, self.rule, chmod, shell, color, cls_str, cls_keyword, scan_val, _vars, deep_inputs))
-
-	cls = None
-	if use_cache:
-		try:
-			cls = cache[key]
-		except KeyError:
-			pass
-	if not cls:
-		rule = self.rule
-		if chmod is not None:
-			def chmod_fun(tsk):
-				for x in tsk.outputs:
-					os.chmod(x.abspath(), tsk.generator.chmod)
-			if isinstance(rule, tuple):
-				rule = list(rule)
-				rule.append(chmod_fun)
-				rule = tuple(rule)
-			else:
-				rule = (rule, chmod_fun)
-
-		cls = Task.task_factory(name, rule, _vars, shell=shell, color=color)
-
-		if cls_str:
-			setattr(cls, '__str__', self.cls_str)
-
-		if cls_keyword:
-			setattr(cls, 'keyword', self.cls_keyword)
-
-		if deep_inputs:
-			Task.deep_inputs(cls)
-
-		if scan:
-			cls.scan = self.scan
-		elif has_deps:
-			def scan(self):
-				nodes = []
-				for x in self.generator.to_list(getattr(self.generator, 'deps', None)):
-					node = self.generator.path.find_resource(x)
-					if not node:
-						self.generator.bld.fatal('Could not find %r (was it declared?)' % x)
-					nodes.append(node)
-				return [nodes, []]
-			cls.scan = scan
-
-		if use_cache:
-			cache[key] = cls
-
-	# now create one instance
-	tsk = self.create_task(name)
-
-	for x in ('after', 'before', 'ext_in', 'ext_out'):
-		setattr(tsk, x, getattr(self, x, []))
-
-	if hasattr(self, 'stdout'):
-		tsk.stdout = self.stdout
-
-	if hasattr(self, 'stderr'):
-		tsk.stderr = self.stderr
-
-	if getattr(self, 'timeout', None):
-		tsk.timeout = self.timeout
-
-	if getattr(self, 'always', None):
-		tsk.always_run = True
-
-	if getattr(self, 'target', None):
-		if isinstance(self.target, str):
-			self.target = self.target.split()
-		if not isinstance(self.target, list):
-			self.target = [self.target]
-		for x in self.target:
-			if isinstance(x, str):
-				tsk.outputs.append(self.path.find_or_declare(x))
-			else:
-				x.parent.mkdir() # if a node was given, create the required folders
-				tsk.outputs.append(x)
-		if getattr(self, 'install_path', None):
-			self.install_task = self.add_install_files(install_to=self.install_path,
-				install_from=tsk.outputs, chmod=getattr(self, 'chmod', Utils.O644))
-
-	if getattr(self, 'source', None):
-		tsk.inputs = self.to_nodes(self.source)
-		# bypass the execution of process_source by setting the source to an empty list
-		self.source = []
-
-	if getattr(self, 'cwd', None):
-		tsk.cwd = self.cwd
-
-	if isinstance(tsk.run, functools.partial):
-		# Python documentation says: "partial objects defined in classes
-		# behave like static methods and do not transform into bound
-		# methods during instance attribute look-up."
-		tsk.run = functools.partial(tsk.run, tsk)
-
-@feature('seq')
-def sequence_order(self):
-	"""
-	Adds a strict sequential constraint between the tasks generated by task generators.
-	It works because task generators are posted in order.
-	It will not post objects which belong to other folders.
-
-	Example::
-
-		bld(features='javac seq')
-		bld(features='jar seq')
-
-	To start a new sequence, set the attribute seq_start, for example::
-
-		obj = bld(features='seq')
-		obj.seq_start = True
-
-	Note that the method is executed in last position. This is more an
-	example than a widely-used solution.
-	"""
-	if self.meths and self.meths[-1] != 'sequence_order':
-		self.meths.append('sequence_order')
-		return
-
-	if getattr(self, 'seq_start', None):
-		return
-
-	# all the tasks previously declared must be run before these
-	if getattr(self.bld, 'prev', None):
-		self.bld.prev.post()
-		for x in self.bld.prev.tasks:
-			for y in self.tasks:
-				y.set_run_after(x)
-
-	self.bld.prev = self
-
-
-re_m4 = re.compile(r'@(\w+)@', re.M)
-
-class subst_pc(Task.Task):
-	"""
-	Creates *.pc* files from *.pc.in*. The task is executed whenever an input variable used
-	in the substitution changes.
-	"""
-
-	def force_permissions(self):
-		"Private for the time being, we will probably refactor this into run_str=[run1,chmod]"
-		if getattr(self.generator, 'chmod', None):
-			for x in self.outputs:
-				os.chmod(x.abspath(), self.generator.chmod)
-
-	def run(self):
-		"Substitutes variables in a .in file"
-
-		if getattr(self.generator, 'is_copy', None):
-			for i, x in enumerate(self.outputs):
-				x.write(self.inputs[i].read('rb'), 'wb')
-				stat = os.stat(self.inputs[i].abspath()) # Preserve mtime of the copy
-				os.utime(self.outputs[i].abspath(), (stat.st_atime, stat.st_mtime))
-			self.force_permissions()
-			return None
-
-		if getattr(self.generator, 'fun', None):
-			ret = self.generator.fun(self)
-			if not ret:
-				self.force_permissions()
-			return ret
-
-		code = self.inputs[0].read(encoding=getattr(self.generator, 'encoding', 'latin-1'))
-		if getattr(self.generator, 'subst_fun', None):
-			code = self.generator.subst_fun(self, code)
-			if code is not None:
-				self.outputs[0].write(code, encoding=getattr(self.generator, 'encoding', 'latin-1'))
-			self.force_permissions()
-			return None
-
-		# replace all % by %% to prevent errors by % signs
-		code = code.replace('%', '%%')
-
-		# extract the vars foo into lst and replace @foo@ by %(foo)s
-		lst = []
-		def repl(match):
-			g = match.group
-			if g(1):
-				lst.append(g(1))
-				return "%%(%s)s" % g(1)
-			return ''
-		code = getattr(self.generator, 're_m4', re_m4).sub(repl, code)
-
-		try:
-			d = self.generator.dct
-		except AttributeError:
-			d = {}
-			for x in lst:
-				tmp = getattr(self.generator, x, '') or self.env[x] or self.env[x.upper()]
-				try:
-					tmp = ''.join(tmp)
-				except TypeError:
-					tmp = str(tmp)
-				d[x] = tmp
-
-		code = code % d
-		self.outputs[0].write(code, encoding=getattr(self.generator, 'encoding', 'latin-1'))
-		self.generator.bld.raw_deps[self.uid()] = lst
-
-		# make sure the signature is updated
-		try:
-			delattr(self, 'cache_sig')
-		except AttributeError:
-			pass
-
-		self.force_permissions()
-
-	def sig_vars(self):
-		"""
-		Compute a hash (signature) of the variables used in the substitution
-		"""
-		bld = self.generator.bld
-		env = self.env
-		upd = self.m.update
-
-		if getattr(self.generator, 'fun', None):
-			upd(Utils.h_fun(self.generator.fun).encode())
-		if getattr(self.generator, 'subst_fun', None):
-			upd(Utils.h_fun(self.generator.subst_fun).encode())
-
-		# raw_deps: persistent custom values returned by the scanner
-		vars = self.generator.bld.raw_deps.get(self.uid(), [])
-
-		# hash both env vars and task generator attributes
-		act_sig = bld.hash_env_vars(env, vars)
-		upd(act_sig)
-
-		lst = [getattr(self.generator, x, '') for x in vars]
-		upd(Utils.h_list(lst))
-
-		return self.m.digest()
-
-@extension('.pc.in')
-def add_pcfile(self, node):
-	"""
-	Processes *.pc.in* files to *.pc*. Installs the results to ``${PREFIX}/lib/pkgconfig/`` by default
-
-		def build(bld):
-			bld(source='foo.pc.in', install_path='${LIBDIR}/pkgconfig/')
-	"""
-	tsk = self.create_task('subst_pc', node, node.change_ext('.pc', '.pc.in'))
-	self.install_task = self.add_install_files(
-		install_to=getattr(self, 'install_path', '${LIBDIR}/pkgconfig/'), install_from=tsk.outputs)
-
-class subst(subst_pc):
-	pass
-
-@feature('subst')
-@before_method('process_source', 'process_rule')
-def process_subst(self):
-	"""
-	Defines a transformation that substitutes the contents of *source* files to *target* files::
-
-		def build(bld):
-			bld(
-				features='subst',
-				source='foo.c.in',
-				target='foo.c',
-				install_path='${LIBDIR}/pkgconfig',
-				VAR = 'val'
-			)
-
-	The input files are supposed to contain macros of the form *@VAR@*, where *VAR* is an argument
-	of the task generator object.
-
-	This method overrides the processing by :py:meth:`waflib.TaskGen.process_source`.
-	"""
-
-	src = Utils.to_list(getattr(self, 'source', []))
-	if isinstance(src, Node.Node):
-		src = [src]
-	tgt = Utils.to_list(getattr(self, 'target', []))
-	if isinstance(tgt, Node.Node):
-		tgt = [tgt]
-	if len(src) != len(tgt):
-		raise Errors.WafError('invalid number of source/target for %r' % self)
-
-	for x, y in zip(src, tgt):
-		if not x or not y:
-			raise Errors.WafError('null source or target for %r' % self)
-		a, b = None, None
-
-		if isinstance(x, str) and isinstance(y, str) and x == y:
-			a = self.path.find_node(x)
-			b = self.path.get_bld().make_node(y)
-			if not os.path.isfile(b.abspath()):
-				b.parent.mkdir()
-		else:
-			if isinstance(x, str):
-				a = self.path.find_resource(x)
-			elif isinstance(x, Node.Node):
-				a = x
-			if isinstance(y, str):
-				b = self.path.find_or_declare(y)
-			elif isinstance(y, Node.Node):
-				b = y
-
-		if not a:
-			raise Errors.WafError('could not find %r for %r' % (x, self))
-
-		tsk = self.create_task('subst', a, b)
-		for k in ('after', 'before', 'ext_in', 'ext_out'):
-			val = getattr(self, k, None)
-			if val:
-				setattr(tsk, k, val)
-
-		# paranoid safety measure for the general case foo.in->foo.h with ambiguous dependencies
-		for xt in HEADER_EXTS:
-			if b.name.endswith(xt):
-				tsk.ext_in = tsk.ext_in + ['.h']
-				break
-
-		inst_to = getattr(self, 'install_path', None)
-		if inst_to:
-			self.install_task = self.add_install_files(install_to=inst_to,
-				install_from=b, chmod=getattr(self, 'chmod', Utils.O644))
-
-	self.source = []
-
diff --git a/waflib/Tools/__init__.py b/waflib/Tools/__init__.py
deleted file mode 100644
index 079df358..00000000
--- a/waflib/Tools/__init__.py
+++ /dev/null
@@ -1,3 +0,0 @@
-#!/usr/bin/env python
-# encoding: utf-8
-# Thomas Nagy, 2005-2018 (ita)
diff --git a/waflib/Tools/ar.py b/waflib/Tools/ar.py
deleted file mode 100644
index b39b6459..00000000
--- a/waflib/Tools/ar.py
+++ /dev/null
@@ -1,24 +0,0 @@
-#!/usr/bin/env python
-# encoding: utf-8
-# Thomas Nagy, 2006-2018 (ita)
-# Ralf Habacker, 2006 (rh)
-
-"""
-The **ar** program creates static libraries. This tool is almost always loaded
-from others (C, C++, D, etc) for static library support.
-"""
-
-from waflib.Configure import conf
-
-@conf
-def find_ar(conf):
-	"""Configuration helper used by C/C++ tools to enable the support for static libraries"""
-	conf.load('ar')
-
-def configure(conf):
-	"""Finds the ar program and sets the default flags in ``conf.env.ARFLAGS``"""
-	conf.find_program('ar', var='AR')
-	conf.add_os_flags('ARFLAGS')
-	if not conf.env.ARFLAGS:
-		conf.env.ARFLAGS = ['rcs']
-
diff --git a/waflib/Tools/asm.py b/waflib/Tools/asm.py
deleted file mode 100644
index b6f26fb3..00000000
--- a/waflib/Tools/asm.py
+++ /dev/null
@@ -1,73 +0,0 @@
-#!/usr/bin/env python
-# encoding: utf-8
-# Thomas Nagy, 2008-2018 (ita)
-
-"""
-Assembly support, used by tools such as gas and nasm
-
-To declare targets using assembly::
-
-	def configure(conf):
-		conf.load('gcc gas')
-
-	def build(bld):
-		bld(
-			features='c cstlib asm',
-			source = 'test.S',
-			target = 'asmtest')
-
-		bld(
-			features='asm asmprogram',
-			source = 'test.S',
-			target = 'asmtest')
-
-Support for pure asm programs and libraries should also work::
-
-	def configure(conf):
-		conf.load('nasm')
-		conf.find_program('ld', 'ASLINK')
-
-	def build(bld):
-		bld(
-			features='asm asmprogram',
-			source = 'test.S',
-			target = 'asmtest')
-"""
-
-from waflib import Task
-from waflib.Tools.ccroot import link_task, stlink_task
-from waflib.TaskGen import extension
-
-class asm(Task.Task):
-	"""
-	Compiles asm files by gas/nasm/yasm/...
-	"""
-	color = 'BLUE'
-	run_str = '${AS} ${ASFLAGS} ${ASMPATH_ST:INCPATHS} ${DEFINES_ST:DEFINES} ${AS_SRC_F}${SRC} ${AS_TGT_F}${TGT}'
-
-@extension('.s', '.S', '.asm', '.ASM', '.spp', '.SPP')
-def asm_hook(self, node):
-	"""
-	Binds the asm extension to the asm task
-
-	:param node: input file
-	:type node: :py:class:`waflib.Node.Node`
-	"""
-	return self.create_compiled_task('asm', node)
-
-class asmprogram(link_task):
-	"Links object files into a c program"
-	run_str = '${ASLINK} ${ASLINKFLAGS} ${ASLNK_TGT_F}${TGT} ${ASLNK_SRC_F}${SRC}'
-	ext_out = ['.bin']
-	inst_to = '${BINDIR}'
-
-class asmshlib(asmprogram):
-	"Links object files into a c shared library"
-	inst_to = '${LIBDIR}'
-
-class asmstlib(stlink_task):
-	"Links object files into a c static library"
-	pass # do not remove
-
-def configure(conf):
-	conf.env.ASMPATH_ST = '-I%s'
diff --git a/waflib/Tools/bison.py b/waflib/Tools/bison.py
deleted file mode 100644
index eef56dcd..00000000
--- a/waflib/Tools/bison.py
+++ /dev/null
@@ -1,49 +0,0 @@
-#!/usr/bin/env python
-# encoding: utf-8
-# John O'Meara, 2006
-# Thomas Nagy 2009-2018 (ita)
-
-"""
-The **bison** program is a code generator which creates C or C++ files.
-The generated files are compiled into object files.
-"""
-
-from waflib import Task
-from waflib.TaskGen import extension
-
-class bison(Task.Task):
-	"""Compiles bison files"""
-	color   = 'BLUE'
-	run_str = '${BISON} ${BISONFLAGS} ${SRC[0].abspath()} -o ${TGT[0].name}'
-	ext_out = ['.h'] # just to make sure
-
-@extension('.y', '.yc', '.yy')
-def big_bison(self, node):
-	"""
-	Creates a bison task, which must be executed from the directory of the output file.
-	"""
-	has_h = '-d' in self.env.BISONFLAGS
-
-	outs = []
-	if node.name.endswith('.yc'):
-		outs.append(node.change_ext('.tab.cc'))
-		if has_h:
-			outs.append(node.change_ext('.tab.hh'))
-	else:
-		outs.append(node.change_ext('.tab.c'))
-		if has_h:
-			outs.append(node.change_ext('.tab.h'))
-
-	tsk = self.create_task('bison', node, outs)
-	tsk.cwd = node.parent.get_bld()
-
-	# and the c/cxx file must be compiled too
-	self.source.append(outs[0])
-
-def configure(conf):
-	"""
-	Detects the *bison* program
-	"""
-	conf.find_program('bison', var='BISON')
-	conf.env.BISONFLAGS = ['-d']
-
diff --git a/waflib/Tools/c.py b/waflib/Tools/c.py
deleted file mode 100644
index effd6b6e..00000000
--- a/waflib/Tools/c.py
+++ /dev/null
@@ -1,39 +0,0 @@
-#!/usr/bin/env python
-# encoding: utf-8
-# Thomas Nagy, 2006-2018 (ita)
-
-"Base for c programs/libraries"
-
-from waflib import TaskGen, Task
-from waflib.Tools import c_preproc
-from waflib.Tools.ccroot import link_task, stlink_task
-
-@TaskGen.extension('.c')
-def c_hook(self, node):
-	"Binds the c file extensions create :py:class:`waflib.Tools.c.c` instances"
-	if not self.env.CC and self.env.CXX:
-		return self.create_compiled_task('cxx', node)
-	return self.create_compiled_task('c', node)
-
-class c(Task.Task):
-	"Compiles C files into object files"
-	run_str = '${CC} ${ARCH_ST:ARCH} ${CFLAGS} ${FRAMEWORKPATH_ST:FRAMEWORKPATH} ${CPPPATH_ST:INCPATHS} ${DEFINES_ST:DEFINES} ${CC_SRC_F}${SRC} ${CC_TGT_F}${TGT[0].abspath()} ${CPPFLAGS}'
-	vars    = ['CCDEPS'] # unused variable to depend on, just in case
-	ext_in  = ['.h'] # set the build order easily by using ext_out=['.h']
-	scan    = c_preproc.scan
-
-class cprogram(link_task):
-	"Links object files into c programs"
-	run_str = '${LINK_CC} ${LINKFLAGS} ${CCLNK_SRC_F}${SRC} ${CCLNK_TGT_F}${TGT[0].abspath()} ${RPATH_ST:RPATH} ${FRAMEWORKPATH_ST:FRAMEWORKPATH} ${FRAMEWORK_ST:FRAMEWORK} ${ARCH_ST:ARCH} ${STLIB_MARKER} ${STLIBPATH_ST:STLIBPATH} ${STLIB_ST:STLIB} ${SHLIB_MARKER} ${LIBPATH_ST:LIBPATH} ${LIB_ST:LIB} ${LDFLAGS}'
-	ext_out = ['.bin']
-	vars    = ['LINKDEPS']
-	inst_to = '${BINDIR}'
-
-class cshlib(cprogram):
-	"Links object files into c shared libraries"
-	inst_to = '${LIBDIR}'
-
-class cstlib(stlink_task):
-	"Links object files into a c static libraries"
-	pass # do not remove
-
diff --git a/waflib/Tools/c_aliases.py b/waflib/Tools/c_aliases.py
deleted file mode 100644
index c9d53692..00000000
--- a/waflib/Tools/c_aliases.py
+++ /dev/null
@@ -1,144 +0,0 @@
-#!/usr/bin/env python
-# encoding: utf-8
-# Thomas Nagy, 2005-2015 (ita)
-
-"base for all c/c++ programs and libraries"
-
-from waflib import Utils, Errors
-from waflib.Configure import conf
-
-def get_extensions(lst):
-	"""
-	Returns the file extensions for the list of files given as input
-
-	:param lst: files to process
-	:list lst: list of string or :py:class:`waflib.Node.Node`
-	:return: list of file extensions
-	:rtype: list of string
-	"""
-	ret = []
-	for x in Utils.to_list(lst):
-		if not isinstance(x, str):
-			x = x.name
-		ret.append(x[x.rfind('.') + 1:])
-	return ret
-
-def sniff_features(**kw):
-	"""
-	Computes and returns the features required for a task generator by
-	looking at the file extensions. This aimed for C/C++ mainly::
-
-		snif_features(source=['foo.c', 'foo.cxx'], type='shlib')
-		# returns  ['cxx', 'c', 'cxxshlib', 'cshlib']
-
-	:param source: source files to process
-	:type source: list of string or :py:class:`waflib.Node.Node`
-	:param type: object type in *program*, *shlib* or *stlib*
-	:type type: string
-	:return: the list of features for a task generator processing the source files
-	:rtype: list of string
-	"""
-	exts = get_extensions(kw['source'])
-	typ = kw['typ']
-	feats = []
-
-	# watch the order, cxx will have the precedence
-	for x in 'cxx cpp c++ cc C'.split():
-		if x in exts:
-			feats.append('cxx')
-			break
-
-	if 'c' in exts or 'vala' in exts or 'gs' in exts:
-		feats.append('c')
-
-	for x in 'f f90 F F90 for FOR'.split():
-		if x in exts:
-			feats.append('fc')
-			break
-
-	if 'd' in exts:
-		feats.append('d')
-
-	if 'java' in exts:
-		feats.append('java')
-		return 'java'
-
-	if typ in ('program', 'shlib', 'stlib'):
-		will_link = False
-		for x in feats:
-			if x in ('cxx', 'd', 'fc', 'c'):
-				feats.append(x + typ)
-				will_link = True
-		if not will_link and not kw.get('features', []):
-			raise Errors.WafError('Cannot link from %r, try passing eg: features="c cprogram"?' % kw)
-	return feats
-
-def set_features(kw, typ):
-	"""
-	Inserts data in the input dict *kw* based on existing data and on the type of target
-	required (typ).
-
-	:param kw: task generator parameters
-	:type kw: dict
-	:param typ: type of target
-	:type typ: string
-	"""
-	kw['typ'] = typ
-	kw['features'] = Utils.to_list(kw.get('features', [])) + Utils.to_list(sniff_features(**kw))
-
-@conf
-def program(bld, *k, **kw):
-	"""
-	Alias for creating programs by looking at the file extensions::
-
-		def build(bld):
-			bld.program(source='foo.c', target='app')
-			# equivalent to:
-			# bld(features='c cprogram', source='foo.c', target='app')
-
-	"""
-	set_features(kw, 'program')
-	return bld(*k, **kw)
-
-@conf
-def shlib(bld, *k, **kw):
-	"""
-	Alias for creating shared libraries by looking at the file extensions::
-
-		def build(bld):
-			bld.shlib(source='foo.c', target='app')
-			# equivalent to:
-			# bld(features='c cshlib', source='foo.c', target='app')
-
-	"""
-	set_features(kw, 'shlib')
-	return bld(*k, **kw)
-
-@conf
-def stlib(bld, *k, **kw):
-	"""
-	Alias for creating static libraries by looking at the file extensions::
-
-		def build(bld):
-			bld.stlib(source='foo.cpp', target='app')
-			# equivalent to:
-			# bld(features='cxx cxxstlib', source='foo.cpp', target='app')
-
-	"""
-	set_features(kw, 'stlib')
-	return bld(*k, **kw)
-
-@conf
-def objects(bld, *k, **kw):
-	"""
-	Alias for creating object files by looking at the file extensions::
-
-		def build(bld):
-			bld.objects(source='foo.c', target='app')
-			# equivalent to:
-			# bld(features='c', source='foo.c', target='app')
-
-	"""
-	set_features(kw, 'objects')
-	return bld(*k, **kw)
-
diff --git a/waflib/Tools/c_config.py b/waflib/Tools/c_config.py
deleted file mode 100644
index d546be95..00000000
--- a/waflib/Tools/c_config.py
+++ /dev/null
@@ -1,1351 +0,0 @@
-#!/usr/bin/env python
-# encoding: utf-8
-# Thomas Nagy, 2005-2018 (ita)
-
-"""
-C/C++/D configuration helpers
-"""
-
-from __future__ import with_statement
-
-import os, re, shlex
-from waflib import Build, Utils, Task, Options, Logs, Errors, Runner
-from waflib.TaskGen import after_method, feature
-from waflib.Configure import conf
-
-WAF_CONFIG_H   = 'config.h'
-"""default name for the config.h file"""
-
-DEFKEYS = 'define_key'
-INCKEYS = 'include_key'
-
-SNIP_EMPTY_PROGRAM = '''
-int main(int argc, char **argv) {
-	(void)argc; (void)argv;
-	return 0;
-}
-'''
-
-MACRO_TO_DESTOS = {
-'__linux__'                                      : 'linux',
-'__GNU__'                                        : 'gnu', # hurd
-'__FreeBSD__'                                    : 'freebsd',
-'__NetBSD__'                                     : 'netbsd',
-'__OpenBSD__'                                    : 'openbsd',
-'__sun'                                          : 'sunos',
-'__hpux'                                         : 'hpux',
-'__sgi'                                          : 'irix',
-'_AIX'                                           : 'aix',
-'__CYGWIN__'                                     : 'cygwin',
-'__MSYS__'                                       : 'cygwin',
-'_UWIN'                                          : 'uwin',
-'_WIN64'                                         : 'win32',
-'_WIN32'                                         : 'win32',
-# Note about darwin: this is also tested with 'defined __APPLE__ && defined __MACH__' somewhere below in this file.
-'__ENVIRONMENT_MAC_OS_X_VERSION_MIN_REQUIRED__'  : 'darwin',
-'__ENVIRONMENT_IPHONE_OS_VERSION_MIN_REQUIRED__' : 'darwin', # iphone
-'__QNX__'                                        : 'qnx',
-'__native_client__'                              : 'nacl' # google native client platform
-}
-
-MACRO_TO_DEST_CPU = {
-'__x86_64__'  : 'x86_64',
-'__amd64__'   : 'x86_64',
-'__i386__'    : 'x86',
-'__ia64__'    : 'ia',
-'__mips__'    : 'mips',
-'__sparc__'   : 'sparc',
-'__alpha__'   : 'alpha',
-'__aarch64__' : 'aarch64',
-'__thumb__'   : 'thumb',
-'__arm__'     : 'arm',
-'__hppa__'    : 'hppa',
-'__powerpc__' : 'powerpc',
-'__ppc__'     : 'powerpc',
-'__convex__'  : 'convex',
-'__m68k__'    : 'm68k',
-'__s390x__'   : 's390x',
-'__s390__'    : 's390',
-'__sh__'      : 'sh',
-'__xtensa__'  : 'xtensa',
-}
-
-@conf
-def parse_flags(self, line, uselib_store, env=None, force_static=False, posix=None):
-	"""
-	Parses flags from the input lines, and adds them to the relevant use variables::
-
-		def configure(conf):
-			conf.parse_flags('-O3', 'FOO')
-			# conf.env.CXXFLAGS_FOO = ['-O3']
-			# conf.env.CFLAGS_FOO = ['-O3']
-
-	:param line: flags
-	:type line: string
-	:param uselib_store: where to add the flags
-	:type uselib_store: string
-	:param env: config set or conf.env by default
-	:type env: :py:class:`waflib.ConfigSet.ConfigSet`
-	"""
-
-	assert(isinstance(line, str))
-
-	env = env or self.env
-
-	# Issue 811 and 1371
-	if posix is None:
-		posix = True
-		if '\\' in line:
-			posix = ('\\ ' in line) or ('\\\\' in line)
-
-	lex = shlex.shlex(line, posix=posix)
-	lex.whitespace_split = True
-	lex.commenters = ''
-	lst = list(lex)
-
-	# append_unique is not always possible
-	# for example, apple flags may require both -arch i386 and -arch ppc
-	uselib = uselib_store
-	def app(var, val):
-		env.append_value('%s_%s' % (var, uselib), val)
-	def appu(var, val):
-		env.append_unique('%s_%s' % (var, uselib), val)
-	static = False
-	while lst:
-		x = lst.pop(0)
-		st = x[:2]
-		ot = x[2:]
-
-		if st == '-I' or st == '/I':
-			if not ot:
-				ot = lst.pop(0)
-			appu('INCLUDES', ot)
-		elif st == '-i':
-			tmp = [x, lst.pop(0)]
-			app('CFLAGS', tmp)
-			app('CXXFLAGS', tmp)
-		elif st == '-D' or (env.CXX_NAME == 'msvc' and st == '/D'): # not perfect but..
-			if not ot:
-				ot = lst.pop(0)
-			app('DEFINES', ot)
-		elif st == '-l':
-			if not ot:
-				ot = lst.pop(0)
-			prefix = 'STLIB' if (force_static or static) else 'LIB'
-			app(prefix, ot)
-		elif st == '-L':
-			if not ot:
-				ot = lst.pop(0)
-			prefix = 'STLIBPATH' if (force_static or static) else 'LIBPATH'
-			appu(prefix, ot)
-		elif x.startswith('/LIBPATH:'):
-			prefix = 'STLIBPATH' if (force_static or static) else 'LIBPATH'
-			appu(prefix, x.replace('/LIBPATH:', ''))
-		elif x.startswith('-std='):
-			prefix = 'CXXFLAGS' if '++' in x else 'CFLAGS'
-			app(prefix, x)
-		elif x.startswith('+') or x in ('-pthread', '-fPIC', '-fpic', '-fPIE', '-fpie'):
-			app('CFLAGS', x)
-			app('CXXFLAGS', x)
-			app('LINKFLAGS', x)
-		elif x == '-framework':
-			appu('FRAMEWORK', lst.pop(0))
-		elif x.startswith('-F'):
-			appu('FRAMEWORKPATH', x[2:])
-		elif x == '-Wl,-rpath' or x == '-Wl,-R':
-			app('RPATH', lst.pop(0).lstrip('-Wl,'))
-		elif x.startswith('-Wl,-R,'):
-			app('RPATH', x[7:])
-		elif x.startswith('-Wl,-R'):
-			app('RPATH', x[6:])
-		elif x.startswith('-Wl,-rpath,'):
-			app('RPATH', x[11:])
-		elif x == '-Wl,-Bstatic' or x == '-Bstatic':
-			static = True
-		elif x == '-Wl,-Bdynamic' or x == '-Bdynamic':
-			static = False
-		elif x.startswith('-Wl') or x in ('-rdynamic', '-pie'):
-			app('LINKFLAGS', x)
-		elif x.startswith(('-m', '-f', '-dynamic', '-O', '-g')):
-			# Adding the -W option breaks python builds on Openindiana
-			app('CFLAGS', x)
-			app('CXXFLAGS', x)
-		elif x.startswith('-bundle'):
-			app('LINKFLAGS', x)
-		elif x.startswith(('-undefined', '-Xlinker')):
-			arg = lst.pop(0)
-			app('LINKFLAGS', [x, arg])
-		elif x.startswith(('-arch', '-isysroot')):
-			tmp = [x, lst.pop(0)]
-			app('CFLAGS', tmp)
-			app('CXXFLAGS', tmp)
-			app('LINKFLAGS', tmp)
-		elif x.endswith(('.a', '.so', '.dylib', '.lib')):
-			appu('LINKFLAGS', x) # not cool, #762
-		else:
-			self.to_log('Unhandled flag %r' % x)
-
-@conf
-def validate_cfg(self, kw):
-	"""
-	Searches for the program *pkg-config* if missing, and validates the
-	parameters to pass to :py:func:`waflib.Tools.c_config.exec_cfg`.
-
-	:param path: the **-config program to use** (default is *pkg-config*)
-	:type path: list of string
-	:param msg: message to display to describe the test executed
-	:type msg: string
-	:param okmsg: message to display when the test is successful
-	:type okmsg: string
-	:param errmsg: message to display in case of error
-	:type errmsg: string
-	"""
-	if not 'path' in kw:
-		if not self.env.PKGCONFIG:
-			self.find_program('pkg-config', var='PKGCONFIG')
-		kw['path'] = self.env.PKGCONFIG
-
-	# verify that exactly one action is requested
-	s = ('atleast_pkgconfig_version' in kw) + ('modversion' in kw) + ('package' in kw)
-	if s != 1:
-		raise ValueError('exactly one of atleast_pkgconfig_version, modversion and package must be set')
-	if not 'msg' in kw:
-		if 'atleast_pkgconfig_version' in kw:
-			kw['msg'] = 'Checking for pkg-config version >= %r' % kw['atleast_pkgconfig_version']
-		elif 'modversion' in kw:
-			kw['msg'] = 'Checking for %r version' % kw['modversion']
-		else:
-			kw['msg'] = 'Checking for %r' %(kw['package'])
-
-	# let the modversion check set the okmsg to the detected version
-	if not 'okmsg' in kw and not 'modversion' in kw:
-		kw['okmsg'] = 'yes'
-	if not 'errmsg' in kw:
-		kw['errmsg'] = 'not found'
-
-	# pkg-config version
-	if 'atleast_pkgconfig_version' in kw:
-		pass
-	elif 'modversion' in kw:
-		if not 'uselib_store' in kw:
-			kw['uselib_store'] = kw['modversion']
-		if not 'define_name' in kw:
-			kw['define_name'] = '%s_VERSION' % Utils.quote_define_name(kw['uselib_store'])
-	else:
-		if not 'uselib_store' in kw:
-			kw['uselib_store'] = Utils.to_list(kw['package'])[0].upper()
-		if not 'define_name' in kw:
-			kw['define_name'] = self.have_define(kw['uselib_store'])
-
-@conf
-def exec_cfg(self, kw):
-	"""
-	Executes ``pkg-config`` or other ``-config`` applications to collect configuration flags:
-
-	* if atleast_pkgconfig_version is given, check that pkg-config has the version n and return
-	* if modversion is given, then return the module version
-	* else, execute the *-config* program with the *args* and *variables* given, and set the flags on the *conf.env.FLAGS_name* variable
-
-	:param atleast_pkgconfig_version: minimum pkg-config version to use (disable other tests)
-	:type atleast_pkgconfig_version: string
-	:param package: package name, for example *gtk+-2.0*
-	:type package: string
-	:param uselib_store: if the test is successful, define HAVE\\_*name*. It is also used to define *conf.env.FLAGS_name* variables.
-	:type uselib_store: string
-	:param modversion: if provided, return the version of the given module and define *name*\\_VERSION
-	:type modversion: string
-	:param args: arguments to give to *package* when retrieving flags
-	:type args: list of string
-	:param variables: return the values of particular variables
-	:type variables: list of string
-	:param define_variable: additional variables to define (also in conf.env.PKG_CONFIG_DEFINES)
-	:type define_variable: dict(string: string)
-	"""
-
-	path = Utils.to_list(kw['path'])
-	env = self.env.env or None
-	if kw.get('pkg_config_path'):
-		if not env:
-			env = dict(self.environ)
-		env['PKG_CONFIG_PATH'] = kw['pkg_config_path']
-
-	def define_it():
-		define_name = kw['define_name']
-		# by default, add HAVE_X to the config.h, else provide DEFINES_X for use=X
-		if kw.get('global_define', 1):
-			self.define(define_name, 1, False)
-		else:
-			self.env.append_unique('DEFINES_%s' % kw['uselib_store'], "%s=1" % define_name)
-
-		if kw.get('add_have_to_env', 1):
-			self.env[define_name] = 1
-
-	# pkg-config version
-	if 'atleast_pkgconfig_version' in kw:
-		cmd = path + ['--atleast-pkgconfig-version=%s' % kw['atleast_pkgconfig_version']]
-		self.cmd_and_log(cmd, env=env)
-		return
-
-	# single version for a module
-	if 'modversion' in kw:
-		version = self.cmd_and_log(path + ['--modversion', kw['modversion']], env=env).strip()
-		if not 'okmsg' in kw:
-			kw['okmsg'] = version
-		self.define(kw['define_name'], version)
-		return version
-
-	lst = [] + path
-
-	defi = kw.get('define_variable')
-	if not defi:
-		defi = self.env.PKG_CONFIG_DEFINES or {}
-	for key, val in defi.items():
-		lst.append('--define-variable=%s=%s' % (key, val))
-
-	static = kw.get('force_static', False)
-	if 'args' in kw:
-		args = Utils.to_list(kw['args'])
-		if '--static' in args or '--static-libs' in args:
-			static = True
-		lst += args
-
-	# tools like pkgconf expect the package argument after the -- ones -_-
-	lst.extend(Utils.to_list(kw['package']))
-
-	# retrieving variables of a module
-	if 'variables' in kw:
-		v_env = kw.get('env', self.env)
-		vars = Utils.to_list(kw['variables'])
-		for v in vars:
-			val = self.cmd_and_log(lst + ['--variable=' + v], env=env).strip()
-			var = '%s_%s' % (kw['uselib_store'], v)
-			v_env[var] = val
-		return
-
-	# so we assume the command-line will output flags to be parsed afterwards
-	ret = self.cmd_and_log(lst, env=env)
-
-	define_it()
-	self.parse_flags(ret, kw['uselib_store'], kw.get('env', self.env), force_static=static, posix=kw.get('posix'))
-	return ret
-
-@conf
-def check_cfg(self, *k, **kw):
-	"""
-	Checks for configuration flags using a **-config**-like program (pkg-config, sdl-config, etc).
-	This wraps internal calls to :py:func:`waflib.Tools.c_config.validate_cfg` and :py:func:`waflib.Tools.c_config.exec_cfg`
-
-	A few examples::
-
-		def configure(conf):
-			conf.load('compiler_c')
-			conf.check_cfg(package='glib-2.0', args='--libs --cflags')
-			conf.check_cfg(package='pango')
-			conf.check_cfg(package='pango', uselib_store='MYPANGO', args=['--cflags', '--libs'])
-			conf.check_cfg(package='pango',
-				args=['pango >= 0.1.0', 'pango < 9.9.9', '--cflags', '--libs'],
-				msg="Checking for 'pango 0.1.0'")
-			conf.check_cfg(path='sdl-config', args='--cflags --libs', package='', uselib_store='SDL')
-			conf.check_cfg(path='mpicc', args='--showme:compile --showme:link',
-				package='', uselib_store='OPEN_MPI', mandatory=False)
-			# variables
-			conf.check_cfg(package='gtk+-2.0', variables=['includedir', 'prefix'], uselib_store='FOO')
-			print(conf.env.FOO_includedir)
-	"""
-	self.validate_cfg(kw)
-	if 'msg' in kw:
-		self.start_msg(kw['msg'], **kw)
-	ret = None
-	try:
-		ret = self.exec_cfg(kw)
-	except self.errors.WafError as e:
-		if 'errmsg' in kw:
-			self.end_msg(kw['errmsg'], 'YELLOW', **kw)
-		if Logs.verbose > 1:
-			self.to_log('Command failure: %s' % e)
-		self.fatal('The configuration failed')
-	else:
-		if not ret:
-			ret = True
-		kw['success'] = ret
-		if 'okmsg' in kw:
-			self.end_msg(self.ret_msg(kw['okmsg'], kw), **kw)
-
-	return ret
-
-def build_fun(bld):
-	"""
-	Build function that is used for running configuration tests with ``conf.check()``
-	"""
-	if bld.kw['compile_filename']:
-		node = bld.srcnode.make_node(bld.kw['compile_filename'])
-		node.write(bld.kw['code'])
-
-	o = bld(features=bld.kw['features'], source=bld.kw['compile_filename'], target='testprog')
-
-	for k, v in bld.kw.items():
-		setattr(o, k, v)
-
-	if not bld.kw.get('quiet'):
-		bld.conf.to_log("==>\n%s\n<==" % bld.kw['code'])
-
-@conf
-def validate_c(self, kw):
-	"""
-	Pre-checks the parameters that will be given to :py:func:`waflib.Configure.run_build`
-
-	:param compiler: c or cxx (tries to guess what is best)
-	:type compiler: string
-	:param type: cprogram, cshlib, cstlib - not required if *features are given directly*
-	:type type: binary to create
-	:param feature: desired features for the task generator that will execute the test, for example ``cxx cxxstlib``
-	:type feature: list of string
-	:param fragment: provide a piece of code for the test (default is to let the system create one)
-	:type fragment: string
-	:param uselib_store: define variables after the test is executed (IMPORTANT!)
-	:type uselib_store: string
-	:param use: parameters to use for building (just like the normal *use* keyword)
-	:type use: list of string
-	:param define_name: define to set when the check is over
-	:type define_name: string
-	:param execute: execute the resulting binary
-	:type execute: bool
-	:param define_ret: if execute is set to True, use the execution output in both the define and the return value
-	:type define_ret: bool
-	:param header_name: check for a particular header
-	:type header_name: string
-	:param auto_add_header_name: if header_name was set, add the headers in env.INCKEYS so the next tests will include these headers
-	:type auto_add_header_name: bool
-	"""
-	for x in ('type_name', 'field_name', 'function_name'):
-		if x in kw:
-			Logs.warn('Invalid argument %r in test' % x)
-
-	if not 'build_fun' in kw:
-		kw['build_fun'] = build_fun
-
-	if not 'env' in kw:
-		kw['env'] = self.env.derive()
-	env = kw['env']
-
-	if not 'compiler' in kw and not 'features' in kw:
-		kw['compiler'] = 'c'
-		if env.CXX_NAME and Task.classes.get('cxx'):
-			kw['compiler'] = 'cxx'
-			if not self.env.CXX:
-				self.fatal('a c++ compiler is required')
-		else:
-			if not self.env.CC:
-				self.fatal('a c compiler is required')
-
-	if not 'compile_mode' in kw:
-		kw['compile_mode'] = 'c'
-		if 'cxx' in Utils.to_list(kw.get('features', [])) or kw.get('compiler') == 'cxx':
-			kw['compile_mode'] = 'cxx'
-
-	if not 'type' in kw:
-		kw['type'] = 'cprogram'
-
-	if not 'features' in kw:
-		if not 'header_name' in kw or kw.get('link_header_test', True):
-			kw['features'] = [kw['compile_mode'], kw['type']] # "c ccprogram"
-		else:
-			kw['features'] = [kw['compile_mode']]
-	else:
-		kw['features'] = Utils.to_list(kw['features'])
-
-	if not 'compile_filename' in kw:
-		kw['compile_filename'] = 'test.c' + ((kw['compile_mode'] == 'cxx') and 'pp' or '')
-
-	def to_header(dct):
-		if 'header_name' in dct:
-			dct = Utils.to_list(dct['header_name'])
-			return ''.join(['#include <%s>\n' % x for x in dct])
-		return ''
-
-	if 'framework_name' in kw:
-		# OSX, not sure this is used anywhere
-		fwkname = kw['framework_name']
-		if not 'uselib_store' in kw:
-			kw['uselib_store'] = fwkname.upper()
-		if not kw.get('no_header'):
-			fwk = '%s/%s.h' % (fwkname, fwkname)
-			if kw.get('remove_dot_h'):
-				fwk = fwk[:-2]
-			val = kw.get('header_name', [])
-			kw['header_name'] = Utils.to_list(val) + [fwk]
-		kw['msg'] = 'Checking for framework %s' % fwkname
-		kw['framework'] = fwkname
-
-	elif 'header_name' in kw:
-		if not 'msg' in kw:
-			kw['msg'] = 'Checking for header %s' % kw['header_name']
-
-		l = Utils.to_list(kw['header_name'])
-		assert len(l), 'list of headers in header_name is empty'
-
-		kw['code'] = to_header(kw) + SNIP_EMPTY_PROGRAM
-		if not 'uselib_store' in kw:
-			kw['uselib_store'] = l[0].upper()
-		if not 'define_name' in kw:
-			kw['define_name'] = self.have_define(l[0])
-
-	if 'lib' in kw:
-		if not 'msg' in kw:
-			kw['msg'] = 'Checking for library %s' % kw['lib']
-		if not 'uselib_store' in kw:
-			kw['uselib_store'] = kw['lib'].upper()
-
-	if 'stlib' in kw:
-		if not 'msg' in kw:
-			kw['msg'] = 'Checking for static library %s' % kw['stlib']
-		if not 'uselib_store' in kw:
-			kw['uselib_store'] = kw['stlib'].upper()
-
-	if 'fragment' in kw:
-		# an additional code fragment may be provided to replace the predefined code
-		# in custom headers
-		kw['code'] = kw['fragment']
-		if not 'msg' in kw:
-			kw['msg'] = 'Checking for code snippet'
-		if not 'errmsg' in kw:
-			kw['errmsg'] = 'no'
-
-	for (flagsname,flagstype) in (('cxxflags','compiler'), ('cflags','compiler'), ('linkflags','linker')):
-		if flagsname in kw:
-			if not 'msg' in kw:
-				kw['msg'] = 'Checking for %s flags %s' % (flagstype, kw[flagsname])
-			if not 'errmsg' in kw:
-				kw['errmsg'] = 'no'
-
-	if not 'execute' in kw:
-		kw['execute'] = False
-	if kw['execute']:
-		kw['features'].append('test_exec')
-		kw['chmod'] = Utils.O755
-
-	if not 'errmsg' in kw:
-		kw['errmsg'] = 'not found'
-
-	if not 'okmsg' in kw:
-		kw['okmsg'] = 'yes'
-
-	if not 'code' in kw:
-		kw['code'] = SNIP_EMPTY_PROGRAM
-
-	# if there are headers to append automatically to the next tests
-	if self.env[INCKEYS]:
-		kw['code'] = '\n'.join(['#include <%s>' % x for x in self.env[INCKEYS]]) + '\n' + kw['code']
-
-	# in case defines lead to very long command-lines
-	if kw.get('merge_config_header') or env.merge_config_header:
-		kw['code'] = '%s\n\n%s' % (self.get_config_header(), kw['code'])
-		env.DEFINES = [] # modify the copy
-
-	if not kw.get('success'):
-		kw['success'] = None
-
-	if 'define_name' in kw:
-		self.undefine(kw['define_name'])
-	if not 'msg' in kw:
-		self.fatal('missing "msg" in conf.check(...)')
-
-@conf
-def post_check(self, *k, **kw):
-	"""
-	Sets the variables after a test executed in
-	:py:func:`waflib.Tools.c_config.check` was run successfully
-	"""
-	is_success = 0
-	if kw['execute']:
-		if kw['success'] is not None:
-			if kw.get('define_ret'):
-				is_success = kw['success']
-			else:
-				is_success = (kw['success'] == 0)
-	else:
-		is_success = (kw['success'] == 0)
-
-	if kw.get('define_name'):
-		comment = kw.get('comment', '')
-		define_name = kw['define_name']
-		if kw['execute'] and kw.get('define_ret') and isinstance(is_success, str):
-			if kw.get('global_define', 1):
-				self.define(define_name, is_success, quote=kw.get('quote', 1), comment=comment)
-			else:
-				if kw.get('quote', 1):
-					succ = '"%s"' % is_success
-				else:
-					succ = int(is_success)
-				val = '%s=%s' % (define_name, succ)
-				var = 'DEFINES_%s' % kw['uselib_store']
-				self.env.append_value(var, val)
-		else:
-			if kw.get('global_define', 1):
-				self.define_cond(define_name, is_success, comment=comment)
-			else:
-				var = 'DEFINES_%s' % kw['uselib_store']
-				self.env.append_value(var, '%s=%s' % (define_name, int(is_success)))
-
-		# define conf.env.HAVE_X to 1
-		if kw.get('add_have_to_env', 1):
-			if kw.get('uselib_store'):
-				self.env[self.have_define(kw['uselib_store'])] = 1
-			elif kw['execute'] and kw.get('define_ret'):
-				self.env[define_name] = is_success
-			else:
-				self.env[define_name] = int(is_success)
-
-	if 'header_name' in kw:
-		if kw.get('auto_add_header_name'):
-			self.env.append_value(INCKEYS, Utils.to_list(kw['header_name']))
-
-	if is_success and 'uselib_store' in kw:
-		from waflib.Tools import ccroot
-		# See get_uselib_vars in ccroot.py
-		_vars = set()
-		for x in kw['features']:
-			if x in ccroot.USELIB_VARS:
-				_vars |= ccroot.USELIB_VARS[x]
-
-		for k in _vars:
-			x = k.lower()
-			if x in kw:
-				self.env.append_value(k + '_' + kw['uselib_store'], kw[x])
-	return is_success
-
-@conf
-def check(self, *k, **kw):
-	"""
-	Performs a configuration test by calling :py:func:`waflib.Configure.run_build`.
-	For the complete list of parameters, see :py:func:`waflib.Tools.c_config.validate_c`.
-	To force a specific compiler, pass ``compiler='c'`` or ``compiler='cxx'`` to the list of arguments
-
-	Besides build targets, complete builds can be given through a build function. All files will
-	be written to a temporary directory::
-
-		def build(bld):
-			lib_node = bld.srcnode.make_node('libdir/liblc1.c')
-			lib_node.parent.mkdir()
-			lib_node.write('#include <stdio.h>\\nint lib_func(void) { FILE *f = fopen("foo", "r");}\\n', 'w')
-			bld(features='c cshlib', source=[lib_node], linkflags=conf.env.EXTRA_LDFLAGS, target='liblc')
-		conf.check(build_fun=build, msg=msg)
-	"""
-	self.validate_c(kw)
-	self.start_msg(kw['msg'], **kw)
-	ret = None
-	try:
-		ret = self.run_build(*k, **kw)
-	except self.errors.ConfigurationError:
-		self.end_msg(kw['errmsg'], 'YELLOW', **kw)
-		if Logs.verbose > 1:
-			raise
-		else:
-			self.fatal('The configuration failed')
-	else:
-		kw['success'] = ret
-
-	ret = self.post_check(*k, **kw)
-	if not ret:
-		self.end_msg(kw['errmsg'], 'YELLOW', **kw)
-		self.fatal('The configuration failed %r' % ret)
-	else:
-		self.end_msg(self.ret_msg(kw['okmsg'], kw), **kw)
-	return ret
-
-class test_exec(Task.Task):
-	"""
-	A task that runs programs after they are built. See :py:func:`waflib.Tools.c_config.test_exec_fun`.
-	"""
-	color = 'PINK'
-	def run(self):
-		if getattr(self.generator, 'rpath', None):
-			if getattr(self.generator, 'define_ret', False):
-				self.generator.bld.retval = self.generator.bld.cmd_and_log([self.inputs[0].abspath()])
-			else:
-				self.generator.bld.retval = self.generator.bld.exec_command([self.inputs[0].abspath()])
-		else:
-			env = self.env.env or {}
-			env.update(dict(os.environ))
-			for var in ('LD_LIBRARY_PATH', 'DYLD_LIBRARY_PATH', 'PATH'):
-				env[var] = self.inputs[0].parent.abspath() + os.path.pathsep + env.get(var, '')
-			if getattr(self.generator, 'define_ret', False):
-				self.generator.bld.retval = self.generator.bld.cmd_and_log([self.inputs[0].abspath()], env=env)
-			else:
-				self.generator.bld.retval = self.generator.bld.exec_command([self.inputs[0].abspath()], env=env)
-
-@feature('test_exec')
-@after_method('apply_link')
-def test_exec_fun(self):
-	"""
-	The feature **test_exec** is used to create a task that will to execute the binary
-	created (link task output) during the build. The exit status will be set
-	on the build context, so only one program may have the feature *test_exec*.
-	This is used by configuration tests::
-
-		def configure(conf):
-			conf.check(execute=True)
-	"""
-	self.create_task('test_exec', self.link_task.outputs[0])
-
-@conf
-def check_cxx(self, *k, **kw):
-	"""
-	Runs a test with a task generator of the form::
-
-		conf.check(features='cxx cxxprogram', ...)
-	"""
-	kw['compiler'] = 'cxx'
-	return self.check(*k, **kw)
-
-@conf
-def check_cc(self, *k, **kw):
-	"""
-	Runs a test with a task generator of the form::
-
-		conf.check(features='c cprogram', ...)
-	"""
-	kw['compiler'] = 'c'
-	return self.check(*k, **kw)
-
-@conf
-def set_define_comment(self, key, comment):
-	"""
-	Sets a comment that will appear in the configuration header
-
-	:type key: string
-	:type comment: string
-	"""
-	coms = self.env.DEFINE_COMMENTS
-	if not coms:
-		coms = self.env.DEFINE_COMMENTS = {}
-	coms[key] = comment or ''
-
-@conf
-def get_define_comment(self, key):
-	"""
-	Returns the comment associated to a define
-
-	:type key: string
-	"""
-	coms = self.env.DEFINE_COMMENTS or {}
-	return coms.get(key, '')
-
-@conf
-def define(self, key, val, quote=True, comment=''):
-	"""
-	Stores a single define and its state into ``conf.env.DEFINES``. The value is cast to an integer (0/1).
-
-	:param key: define name
-	:type key: string
-	:param val: value
-	:type val: int or string
-	:param quote: enclose strings in quotes (yes by default)
-	:type quote: bool
-	"""
-	assert isinstance(key, str)
-	if not key:
-		return
-	if val is True:
-		val = 1
-	elif val in (False, None):
-		val = 0
-
-	if isinstance(val, int) or isinstance(val, float):
-		s = '%s=%s'
-	else:
-		s = quote and '%s="%s"' or '%s=%s'
-	app = s % (key, str(val))
-
-	ban = key + '='
-	lst = self.env.DEFINES
-	for x in lst:
-		if x.startswith(ban):
-			lst[lst.index(x)] = app
-			break
-	else:
-		self.env.append_value('DEFINES', app)
-
-	self.env.append_unique(DEFKEYS, key)
-	self.set_define_comment(key, comment)
-
-@conf
-def undefine(self, key, comment=''):
-	"""
-	Removes a global define from ``conf.env.DEFINES``
-
-	:param key: define name
-	:type key: string
-	"""
-	assert isinstance(key, str)
-	if not key:
-		return
-	ban = key + '='
-	lst = [x for x in self.env.DEFINES if not x.startswith(ban)]
-	self.env.DEFINES = lst
-	self.env.append_unique(DEFKEYS, key)
-	self.set_define_comment(key, comment)
-
-@conf
-def define_cond(self, key, val, comment=''):
-	"""
-	Conditionally defines a name::
-
-		def configure(conf):
-			conf.define_cond('A', True)
-			# equivalent to:
-			# if val: conf.define('A', 1)
-			# else: conf.undefine('A')
-
-	:param key: define name
-	:type key: string
-	:param val: value
-	:type val: int or string
-	"""
-	assert isinstance(key, str)
-	if not key:
-		return
-	if val:
-		self.define(key, 1, comment=comment)
-	else:
-		self.undefine(key, comment=comment)
-
-@conf
-def is_defined(self, key):
-	"""
-	Indicates whether a particular define is globally set in ``conf.env.DEFINES``.
-
-	:param key: define name
-	:type key: string
-	:return: True if the define is set
-	:rtype: bool
-	"""
-	assert key and isinstance(key, str)
-
-	ban = key + '='
-	for x in self.env.DEFINES:
-		if x.startswith(ban):
-			return True
-	return False
-
-@conf
-def get_define(self, key):
-	"""
-	Returns the value of an existing define, or None if not found
-
-	:param key: define name
-	:type key: string
-	:rtype: string
-	"""
-	assert key and isinstance(key, str)
-
-	ban = key + '='
-	for x in self.env.DEFINES:
-		if x.startswith(ban):
-			return x[len(ban):]
-	return None
-
-@conf
-def have_define(self, key):
-	"""
-	Returns a variable suitable for command-line or header use by removing invalid characters
-	and prefixing it with ``HAVE_``
-
-	:param key: define name
-	:type key: string
-	:return: the input key prefixed by *HAVE_* and substitute any invalid characters.
-	:rtype: string
-	"""
-	return (self.env.HAVE_PAT or 'HAVE_%s') % Utils.quote_define_name(key)
-
-@conf
-def write_config_header(self, configfile='', guard='', top=False, defines=True, headers=False, remove=True, define_prefix=''):
-	"""
-	Writes a configuration header containing defines and includes::
-
-		def configure(cnf):
-			cnf.define('A', 1)
-			cnf.write_config_header('config.h')
-
-	This function only adds include guards (if necessary), consult
-	:py:func:`waflib.Tools.c_config.get_config_header` for details on the body.
-
-	:param configfile: path to the file to create (relative or absolute)
-	:type configfile: string
-	:param guard: include guard name to add, by default it is computed from the file name
-	:type guard: string
-	:param top: write the configuration header from the build directory (default is from the current path)
-	:type top: bool
-	:param defines: add the defines (yes by default)
-	:type defines: bool
-	:param headers: add #include in the file
-	:type headers: bool
-	:param remove: remove the defines after they are added (yes by default, works like in autoconf)
-	:type remove: bool
-	:type define_prefix: string
-	:param define_prefix: prefix all the defines in the file with a particular prefix
-	"""
-	if not configfile:
-		configfile = WAF_CONFIG_H
-	waf_guard = guard or 'W_%s_WAF' % Utils.quote_define_name(configfile)
-
-	node = top and self.bldnode or self.path.get_bld()
-	node = node.make_node(configfile)
-	node.parent.mkdir()
-
-	lst = ['/* WARNING! All changes made to this file will be lost! */\n']
-	lst.append('#ifndef %s\n#define %s\n' % (waf_guard, waf_guard))
-	lst.append(self.get_config_header(defines, headers, define_prefix=define_prefix))
-	lst.append('\n#endif /* %s */\n' % waf_guard)
-
-	node.write('\n'.join(lst))
-
-	# config files must not be removed on "waf clean"
-	self.env.append_unique(Build.CFG_FILES, [node.abspath()])
-
-	if remove:
-		for key in self.env[DEFKEYS]:
-			self.undefine(key)
-		self.env[DEFKEYS] = []
-
-@conf
-def get_config_header(self, defines=True, headers=False, define_prefix=''):
-	"""
-	Creates the contents of a ``config.h`` file from the defines and includes
-	set in conf.env.define_key / conf.env.include_key. No include guards are added.
-
-	A prelude will be added from the variable env.WAF_CONFIG_H_PRELUDE if provided. This
-	can be used to insert complex macros or include guards::
-
-		def configure(conf):
-			conf.env.WAF_CONFIG_H_PRELUDE = '#include <unistd.h>\\n'
-			conf.write_config_header('config.h')
-
-	:param defines: write the defines values
-	:type defines: bool
-	:param headers: write include entries for each element in self.env.INCKEYS
-	:type headers: bool
-	:type define_prefix: string
-	:param define_prefix: prefix all the defines with a particular prefix
-	:return: the contents of a ``config.h`` file
-	:rtype: string
-	"""
-	lst = []
-
-	if self.env.WAF_CONFIG_H_PRELUDE:
-		lst.append(self.env.WAF_CONFIG_H_PRELUDE)
-
-	if headers:
-		for x in self.env[INCKEYS]:
-			lst.append('#include <%s>' % x)
-
-	if defines:
-		tbl = {}
-		for k in self.env.DEFINES:
-			a, _, b = k.partition('=')
-			tbl[a] = b
-
-		for k in self.env[DEFKEYS]:
-			caption = self.get_define_comment(k)
-			if caption:
-				caption = ' /* %s */' % caption
-			try:
-				txt = '#define %s%s %s%s' % (define_prefix, k, tbl[k], caption)
-			except KeyError:
-				txt = '/* #undef %s%s */%s' % (define_prefix, k, caption)
-			lst.append(txt)
-	return "\n".join(lst)
-
-@conf
-def cc_add_flags(conf):
-	"""
-	Adds CFLAGS / CPPFLAGS from os.environ to conf.env
-	"""
-	conf.add_os_flags('CPPFLAGS', dup=False)
-	conf.add_os_flags('CFLAGS', dup=False)
-
-@conf
-def cxx_add_flags(conf):
-	"""
-	Adds CXXFLAGS / CPPFLAGS from os.environ to conf.env
-	"""
-	conf.add_os_flags('CPPFLAGS', dup=False)
-	conf.add_os_flags('CXXFLAGS', dup=False)
-
-@conf
-def link_add_flags(conf):
-	"""
-	Adds LINKFLAGS / LDFLAGS from os.environ to conf.env
-	"""
-	conf.add_os_flags('LINKFLAGS', dup=False)
-	conf.add_os_flags('LDFLAGS', dup=False)
-
-@conf
-def cc_load_tools(conf):
-	"""
-	Loads the Waf c extensions
-	"""
-	if not conf.env.DEST_OS:
-		conf.env.DEST_OS = Utils.unversioned_sys_platform()
-	conf.load('c')
-
-@conf
-def cxx_load_tools(conf):
-	"""
-	Loads the Waf c++ extensions
-	"""
-	if not conf.env.DEST_OS:
-		conf.env.DEST_OS = Utils.unversioned_sys_platform()
-	conf.load('cxx')
-
-@conf
-def get_cc_version(conf, cc, gcc=False, icc=False, clang=False):
-	"""
-	Runs the preprocessor to determine the gcc/icc/clang version
-
-	The variables CC_VERSION, DEST_OS, DEST_BINFMT and DEST_CPU will be set in *conf.env*
-
-	:raise: :py:class:`waflib.Errors.ConfigurationError`
-	"""
-	cmd = cc + ['-dM', '-E', '-']
-	env = conf.env.env or None
-	try:
-		out, err = conf.cmd_and_log(cmd, output=0, input='\n'.encode(), env=env)
-	except Errors.WafError:
-		conf.fatal('Could not determine the compiler version %r' % cmd)
-
-	if gcc:
-		if out.find('__INTEL_COMPILER') >= 0:
-			conf.fatal('The intel compiler pretends to be gcc')
-		if out.find('__GNUC__') < 0 and out.find('__clang__') < 0:
-			conf.fatal('Could not determine the compiler type')
-
-	if icc and out.find('__INTEL_COMPILER') < 0:
-		conf.fatal('Not icc/icpc')
-
-	if clang and out.find('__clang__') < 0:
-		conf.fatal('Not clang/clang++')
-	if not clang and out.find('__clang__') >= 0:
-		conf.fatal('Could not find gcc/g++ (only Clang), if renamed try eg: CC=gcc48 CXX=g++48 waf configure')
-
-	k = {}
-	if icc or gcc or clang:
-		out = out.splitlines()
-		for line in out:
-			lst = shlex.split(line)
-			if len(lst)>2:
-				key = lst[1]
-				val = lst[2]
-				k[key] = val
-
-		def isD(var):
-			return var in k
-
-		# Some documentation is available at http://predef.sourceforge.net
-		# The names given to DEST_OS must match what Utils.unversioned_sys_platform() returns.
-		if not conf.env.DEST_OS:
-			conf.env.DEST_OS = ''
-		for i in MACRO_TO_DESTOS:
-			if isD(i):
-				conf.env.DEST_OS = MACRO_TO_DESTOS[i]
-				break
-		else:
-			if isD('__APPLE__') and isD('__MACH__'):
-				conf.env.DEST_OS = 'darwin'
-			elif isD('__unix__'): # unix must be tested last as it's a generic fallback
-				conf.env.DEST_OS = 'generic'
-
-		if isD('__ELF__'):
-			conf.env.DEST_BINFMT = 'elf'
-		elif isD('__WINNT__') or isD('__CYGWIN__') or isD('_WIN32'):
-			conf.env.DEST_BINFMT = 'pe'
-			if not conf.env.IMPLIBDIR:
-				conf.env.IMPLIBDIR = conf.env.LIBDIR # for .lib or .dll.a files
-			conf.env.LIBDIR = conf.env.BINDIR
-		elif isD('__APPLE__'):
-			conf.env.DEST_BINFMT = 'mac-o'
-
-		if not conf.env.DEST_BINFMT:
-			# Infer the binary format from the os name.
-			conf.env.DEST_BINFMT = Utils.destos_to_binfmt(conf.env.DEST_OS)
-
-		for i in MACRO_TO_DEST_CPU:
-			if isD(i):
-				conf.env.DEST_CPU = MACRO_TO_DEST_CPU[i]
-				break
-
-		Logs.debug('ccroot: dest platform: ' + ' '.join([conf.env[x] or '?' for x in ('DEST_OS', 'DEST_BINFMT', 'DEST_CPU')]))
-		if icc:
-			ver = k['__INTEL_COMPILER']
-			conf.env.CC_VERSION = (ver[:-2], ver[-2], ver[-1])
-		else:
-			if isD('__clang__') and isD('__clang_major__'):
-				conf.env.CC_VERSION = (k['__clang_major__'], k['__clang_minor__'], k['__clang_patchlevel__'])
-			else:
-				# older clang versions and gcc
-				conf.env.CC_VERSION = (k['__GNUC__'], k['__GNUC_MINOR__'], k.get('__GNUC_PATCHLEVEL__', '0'))
-	return k
-
-@conf
-def get_xlc_version(conf, cc):
-	"""
-	Returns the Aix compiler version
-
-	:raise: :py:class:`waflib.Errors.ConfigurationError`
-	"""
-	cmd = cc + ['-qversion']
-	try:
-		out, err = conf.cmd_and_log(cmd, output=0)
-	except Errors.WafError:
-		conf.fatal('Could not find xlc %r' % cmd)
-
-	# the intention is to catch the 8.0 in "IBM XL C/C++ Enterprise Edition V8.0 for AIX..."
-	for v in (r"IBM XL C/C\+\+.* V(?P<major>\d*)\.(?P<minor>\d*)",):
-		version_re = re.compile(v, re.I).search
-		match = version_re(out or err)
-		if match:
-			k = match.groupdict()
-			conf.env.CC_VERSION = (k['major'], k['minor'])
-			break
-	else:
-		conf.fatal('Could not determine the XLC version.')
-
-@conf
-def get_suncc_version(conf, cc):
-	"""
-	Returns the Sun compiler version
-
-	:raise: :py:class:`waflib.Errors.ConfigurationError`
-	"""
-	cmd = cc + ['-V']
-	try:
-		out, err = conf.cmd_and_log(cmd, output=0)
-	except Errors.WafError as e:
-		# Older versions of the compiler exit with non-zero status when reporting their version
-		if not (hasattr(e, 'returncode') and hasattr(e, 'stdout') and hasattr(e, 'stderr')):
-			conf.fatal('Could not find suncc %r' % cmd)
-		out = e.stdout
-		err = e.stderr
-
-	version = (out or err)
-	version = version.splitlines()[0]
-
-	# cc: Sun C 5.10 SunOS_i386 2009/06/03
-	# cc: Studio 12.5 Sun C++ 5.14 SunOS_sparc Beta 2015/11/17
-	# cc: WorkShop Compilers 5.0 98/12/15 C 5.0
-	version_re = re.compile(r'cc: (studio.*?|\s+)?(sun\s+(c\+\+|c)|(WorkShop\s+Compilers))?\s+(?P<major>\d*)\.(?P<minor>\d*)', re.I).search
-	match = version_re(version)
-	if match:
-		k = match.groupdict()
-		conf.env.CC_VERSION = (k['major'], k['minor'])
-	else:
-		conf.fatal('Could not determine the suncc version.')
-
-# ============ the --as-needed flag should added during the configuration, not at runtime =========
-
-@conf
-def add_as_needed(self):
-	"""
-	Adds ``--as-needed`` to the *LINKFLAGS*
-	On some platforms, it is a default flag.  In some cases (e.g., in NS-3) it is necessary to explicitly disable this feature with `-Wl,--no-as-needed` flag.
-	"""
-	if self.env.DEST_BINFMT == 'elf' and 'gcc' in (self.env.CXX_NAME, self.env.CC_NAME):
-		self.env.append_unique('LINKFLAGS', '-Wl,--as-needed')
-
-# ============ parallel configuration
-
-class cfgtask(Task.Task):
-	"""
-	A task that executes build configuration tests (calls conf.check)
-
-	Make sure to use locks if concurrent access to the same conf.env data is necessary.
-	"""
-	def __init__(self, *k, **kw):
-		Task.Task.__init__(self, *k, **kw)
-		self.run_after = set()
-
-	def display(self):
-		return ''
-
-	def runnable_status(self):
-		for x in self.run_after:
-			if not x.hasrun:
-				return Task.ASK_LATER
-		return Task.RUN_ME
-
-	def uid(self):
-		return Utils.SIG_NIL
-
-	def signature(self):
-		return Utils.SIG_NIL
-
-	def run(self):
-		conf = self.conf
-		bld = Build.BuildContext(top_dir=conf.srcnode.abspath(), out_dir=conf.bldnode.abspath())
-		bld.env = conf.env
-		bld.init_dirs()
-		bld.in_msg = 1 # suppress top-level start_msg
-		bld.logger = self.logger
-		bld.multicheck_task = self
-		args = self.args
-		try:
-			if 'func' in args:
-				bld.test(build_fun=args['func'],
-					msg=args.get('msg', ''),
-					okmsg=args.get('okmsg', ''),
-					errmsg=args.get('errmsg', ''),
-					)
-			else:
-				args['multicheck_mandatory'] = args.get('mandatory', True)
-				args['mandatory'] = True
-				try:
-					bld.check(**args)
-				finally:
-					args['mandatory'] = args['multicheck_mandatory']
-		except Exception:
-			return 1
-
-	def process(self):
-		Task.Task.process(self)
-		if 'msg' in self.args:
-			with self.generator.bld.multicheck_lock:
-				self.conf.start_msg(self.args['msg'])
-				if self.hasrun == Task.NOT_RUN:
-					self.conf.end_msg('test cancelled', 'YELLOW')
-				elif self.hasrun != Task.SUCCESS:
-					self.conf.end_msg(self.args.get('errmsg', 'no'), 'YELLOW')
-				else:
-					self.conf.end_msg(self.args.get('okmsg', 'yes'), 'GREEN')
-
-@conf
-def multicheck(self, *k, **kw):
-	"""
-	Runs configuration tests in parallel; results are printed sequentially at the end of the build
-	but each test must provide its own msg value to display a line::
-
-		def test_build(ctx):
-			ctx.in_msg = True # suppress console outputs
-			ctx.check_large_file(mandatory=False)
-
-		conf.multicheck(
-			{'header_name':'stdio.h', 'msg':'... stdio', 'uselib_store':'STDIO', 'global_define':False},
-			{'header_name':'xyztabcd.h', 'msg':'... optional xyztabcd.h', 'mandatory': False},
-			{'header_name':'stdlib.h', 'msg':'... stdlib', 'okmsg': 'aye', 'errmsg': 'nope'},
-			{'func': test_build, 'msg':'... testing an arbitrary build function', 'okmsg':'ok'},
-			msg       = 'Checking for headers in parallel',
-			mandatory = True, # mandatory tests raise an error at the end
-			run_all_tests = True, # try running all tests
-		)
-
-	The configuration tests may modify the values in conf.env in any order, and the define
-	values can affect configuration tests being executed. It is hence recommended
-	to provide `uselib_store` values with `global_define=False` to prevent such issues.
-	"""
-	self.start_msg(kw.get('msg', 'Executing %d configuration tests' % len(k)), **kw)
-
-	# Force a copy so that threads append to the same list at least
-	# no order is guaranteed, but the values should not disappear at least
-	for var in ('DEFINES', DEFKEYS):
-		self.env.append_value(var, [])
-	self.env.DEFINE_COMMENTS = self.env.DEFINE_COMMENTS or {}
-
-	# define a task object that will execute our tests
-	class par(object):
-		def __init__(self):
-			self.keep = False
-			self.task_sigs = {}
-			self.progress_bar = 0
-		def total(self):
-			return len(tasks)
-		def to_log(self, *k, **kw):
-			return
-
-	bld = par()
-	bld.keep = kw.get('run_all_tests', True)
-	bld.imp_sigs = {}
-	tasks = []
-
-	id_to_task = {}
-	for dct in k:
-		x = Task.classes['cfgtask'](bld=bld, env=None)
-		tasks.append(x)
-		x.args = dct
-		x.bld = bld
-		x.conf = self
-		x.args = dct
-
-		# bind a logger that will keep the info in memory
-		x.logger = Logs.make_mem_logger(str(id(x)), self.logger)
-
-		if 'id' in dct:
-			id_to_task[dct['id']] = x
-
-	# second pass to set dependencies with after_test/before_test
-	for x in tasks:
-		for key in Utils.to_list(x.args.get('before_tests', [])):
-			tsk = id_to_task[key]
-			if not tsk:
-				raise ValueError('No test named %r' % key)
-			tsk.run_after.add(x)
-		for key in Utils.to_list(x.args.get('after_tests', [])):
-			tsk = id_to_task[key]
-			if not tsk:
-				raise ValueError('No test named %r' % key)
-			x.run_after.add(tsk)
-
-	def it():
-		yield tasks
-		while 1:
-			yield []
-	bld.producer = p = Runner.Parallel(bld, Options.options.jobs)
-	bld.multicheck_lock = Utils.threading.Lock()
-	p.biter = it()
-
-	self.end_msg('started')
-	p.start()
-
-	# flush the logs in order into the config.log
-	for x in tasks:
-		x.logger.memhandler.flush()
-
-	self.start_msg('-> processing test results')
-	if p.error:
-		for x in p.error:
-			if getattr(x, 'err_msg', None):
-				self.to_log(x.err_msg)
-				self.end_msg('fail', color='RED')
-				raise Errors.WafError('There is an error in the library, read config.log for more information')
-
-	failure_count = 0
-	for x in tasks:
-		if x.hasrun not in (Task.SUCCESS, Task.NOT_RUN):
-			failure_count += 1
-
-	if failure_count:
-		self.end_msg(kw.get('errmsg', '%s test failed' % failure_count), color='YELLOW', **kw)
-	else:
-		self.end_msg('all ok', **kw)
-
-	for x in tasks:
-		if x.hasrun != Task.SUCCESS:
-			if x.args.get('mandatory', True):
-				self.fatal(kw.get('fatalmsg') or 'One of the tests has failed, read config.log for more information')
-
-@conf
-def check_gcc_o_space(self, mode='c'):
-	if int(self.env.CC_VERSION[0]) > 4:
-		# this is for old compilers
-		return
-	self.env.stash()
-	if mode == 'c':
-		self.env.CCLNK_TGT_F = ['-o', '']
-	elif mode == 'cxx':
-		self.env.CXXLNK_TGT_F = ['-o', '']
-	features = '%s %sshlib' % (mode, mode)
-	try:
-		self.check(msg='Checking if the -o link must be split from arguments', fragment=SNIP_EMPTY_PROGRAM, features=features)
-	except self.errors.ConfigurationError:
-		self.env.revert()
-	else:
-		self.env.commit()
-
diff --git a/waflib/Tools/c_osx.py b/waflib/Tools/c_osx.py
deleted file mode 100644
index f70b128b..00000000
--- a/waflib/Tools/c_osx.py
+++ /dev/null
@@ -1,193 +0,0 @@
-#!/usr/bin/env python
-# encoding: utf-8
-# Thomas Nagy 2008-2018 (ita)
-
-"""
-MacOSX related tools
-"""
-
-import os, shutil, platform
-from waflib import Task, Utils
-from waflib.TaskGen import taskgen_method, feature, after_method, before_method
-
-app_info = '''
-<?xml version="1.0" encoding="UTF-8"?>
-<!DOCTYPE plist SYSTEM "file://localhost/System/Library/DTDs/PropertyList.dtd">
-<plist version="0.9">
-<dict>
-	<key>CFBundlePackageType</key>
-	<string>APPL</string>
-	<key>CFBundleGetInfoString</key>
-	<string>Created by Waf</string>
-	<key>CFBundleSignature</key>
-	<string>????</string>
-	<key>NOTE</key>
-	<string>THIS IS A GENERATED FILE, DO NOT MODIFY</string>
-	<key>CFBundleExecutable</key>
-	<string>{app_name}</string>
-</dict>
-</plist>
-'''
-"""
-plist template
-"""
-
-@feature('c', 'cxx')
-def set_macosx_deployment_target(self):
-	"""
-	see WAF issue 285 and also and also http://trac.macports.org/ticket/17059
-	"""
-	if self.env.MACOSX_DEPLOYMENT_TARGET:
-		os.environ['MACOSX_DEPLOYMENT_TARGET'] = self.env.MACOSX_DEPLOYMENT_TARGET
-	elif 'MACOSX_DEPLOYMENT_TARGET' not in os.environ:
-		if Utils.unversioned_sys_platform() == 'darwin':
-			os.environ['MACOSX_DEPLOYMENT_TARGET'] = '.'.join(platform.mac_ver()[0].split('.')[:2])
-
-@taskgen_method
-def create_bundle_dirs(self, name, out):
-	"""
-	Creates bundle folders, used by :py:func:`create_task_macplist` and :py:func:`create_task_macapp`
-	"""
-	dir = out.parent.find_or_declare(name)
-	dir.mkdir()
-	macos = dir.find_or_declare(['Contents', 'MacOS'])
-	macos.mkdir()
-	return dir
-
-def bundle_name_for_output(out):
-	name = out.name
-	k = name.rfind('.')
-	if k >= 0:
-		name = name[:k] + '.app'
-	else:
-		name = name + '.app'
-	return name
-
-@feature('cprogram', 'cxxprogram')
-@after_method('apply_link')
-def create_task_macapp(self):
-	"""
-	To compile an executable into a Mac application (a .app), set its *mac_app* attribute::
-
-		def build(bld):
-			bld.shlib(source='a.c', target='foo', mac_app=True)
-
-	To force *all* executables to be transformed into Mac applications::
-
-		def build(bld):
-			bld.env.MACAPP = True
-			bld.shlib(source='a.c', target='foo')
-	"""
-	if self.env.MACAPP or getattr(self, 'mac_app', False):
-		out = self.link_task.outputs[0]
-
-		name = bundle_name_for_output(out)
-		dir = self.create_bundle_dirs(name, out)
-
-		n1 = dir.find_or_declare(['Contents', 'MacOS', out.name])
-
-		self.apptask = self.create_task('macapp', self.link_task.outputs, n1)
-		inst_to = getattr(self, 'install_path', '/Applications') + '/%s/Contents/MacOS/' % name
-		self.add_install_files(install_to=inst_to, install_from=n1, chmod=Utils.O755)
-
-		if getattr(self, 'mac_files', None):
-			# this only accepts files; they will be installed as seen from mac_files_root
-			mac_files_root = getattr(self, 'mac_files_root', None)
-			if isinstance(mac_files_root, str):
-				mac_files_root = self.path.find_node(mac_files_root)
-				if not mac_files_root:
-					self.bld.fatal('Invalid mac_files_root %r' % self.mac_files_root)
-			res_dir = n1.parent.parent.make_node('Resources')
-			inst_to = getattr(self, 'install_path', '/Applications') + '/%s/Resources' % name
-			for node in self.to_nodes(self.mac_files):
-				relpath = node.path_from(mac_files_root or node.parent)
-				self.create_task('macapp', node, res_dir.make_node(relpath))
-				self.add_install_as(install_to=os.path.join(inst_to, relpath), install_from=node)
-
-		if getattr(self.bld, 'is_install', None):
-			# disable regular binary installation
-			self.install_task.hasrun = Task.SKIP_ME
-
-@feature('cprogram', 'cxxprogram')
-@after_method('apply_link')
-def create_task_macplist(self):
-	"""
-	Creates a :py:class:`waflib.Tools.c_osx.macplist` instance.
-	"""
-	if  self.env.MACAPP or getattr(self, 'mac_app', False):
-		out = self.link_task.outputs[0]
-
-		name = bundle_name_for_output(out)
-
-		dir = self.create_bundle_dirs(name, out)
-		n1 = dir.find_or_declare(['Contents', 'Info.plist'])
-		self.plisttask = plisttask = self.create_task('macplist', [], n1)
-		plisttask.context = {
-			'app_name': self.link_task.outputs[0].name,
-			'env': self.env
-		}
-
-		plist_ctx = getattr(self, 'plist_context', None)
-		if (plist_ctx):
-			plisttask.context.update(plist_ctx)
-
-		if getattr(self, 'mac_plist', False):
-			node = self.path.find_resource(self.mac_plist)
-			if node:
-				plisttask.inputs.append(node)
-			else:
-				plisttask.code = self.mac_plist
-		else:
-			plisttask.code = app_info
-
-		inst_to = getattr(self, 'install_path', '/Applications') + '/%s/Contents/' % name
-		self.add_install_files(install_to=inst_to, install_from=n1)
-
-@feature('cshlib', 'cxxshlib')
-@before_method('apply_link', 'propagate_uselib_vars')
-def apply_bundle(self):
-	"""
-	To make a bundled shared library (a ``.bundle``), set the *mac_bundle* attribute::
-
-		def build(bld):
-			bld.shlib(source='a.c', target='foo', mac_bundle = True)
-
-	To force *all* executables to be transformed into bundles::
-
-		def build(bld):
-			bld.env.MACBUNDLE = True
-			bld.shlib(source='a.c', target='foo')
-	"""
-	if self.env.MACBUNDLE or getattr(self, 'mac_bundle', False):
-		self.env.LINKFLAGS_cshlib = self.env.LINKFLAGS_cxxshlib = [] # disable the '-dynamiclib' flag
-		self.env.cshlib_PATTERN = self.env.cxxshlib_PATTERN = self.env.macbundle_PATTERN
-		use = self.use = self.to_list(getattr(self, 'use', []))
-		if not 'MACBUNDLE' in use:
-			use.append('MACBUNDLE')
-
-app_dirs = ['Contents', 'Contents/MacOS', 'Contents/Resources']
-
-class macapp(Task.Task):
-	"""
-	Creates mac applications
-	"""
-	color = 'PINK'
-	def run(self):
-		self.outputs[0].parent.mkdir()
-		shutil.copy2(self.inputs[0].srcpath(), self.outputs[0].abspath())
-
-class macplist(Task.Task):
-	"""
-	Creates plist files
-	"""
-	color = 'PINK'
-	ext_in = ['.bin']
-	def run(self):
-		if getattr(self, 'code', None):
-			txt = self.code
-		else:
-			txt = self.inputs[0].read()
-		context = getattr(self, 'context', {})
-		txt = txt.format(**context)
-		self.outputs[0].write(txt)
-
diff --git a/waflib/Tools/c_preproc.py b/waflib/Tools/c_preproc.py
deleted file mode 100644
index 68e5f5ae..00000000
--- a/waflib/Tools/c_preproc.py
+++ /dev/null
@@ -1,1091 +0,0 @@
-#!/usr/bin/env python
-# encoding: utf-8
-# Thomas Nagy, 2006-2018 (ita)
-
-"""
-C/C++ preprocessor for finding dependencies
-
-Reasons for using the Waf preprocessor by default
-
-#. Some c/c++ extensions (Qt) require a custom preprocessor for obtaining the dependencies (.moc files)
-#. Not all compilers provide .d files for obtaining the dependencies (portability)
-#. A naive file scanner will not catch the constructs such as "#include foo()"
-#. A naive file scanner will catch unnecessary dependencies (change an unused header -> recompile everything)
-
-Regarding the speed concerns:
-
-* the preprocessing is performed only when files must be compiled
-* the macros are evaluated only for #if/#elif/#include
-* system headers are not scanned by default
-
-Now if you do not want the Waf preprocessor, the tool +gccdeps* uses the .d files produced
-during the compilation to track the dependencies (useful when used with the boost libraries).
-It only works with gcc >= 4.4 though.
-
-A dumb preprocessor is also available in the tool *c_dumbpreproc*
-"""
-# TODO: more varargs, pragma once
-
-import re, string, traceback
-from waflib import Logs, Utils, Errors
-
-class PreprocError(Errors.WafError):
-	pass
-
-FILE_CACHE_SIZE = 100000
-LINE_CACHE_SIZE = 100000
-
-POPFILE = '-'
-"Constant representing a special token used in :py:meth:`waflib.Tools.c_preproc.c_parser.start` iteration to switch to a header read previously"
-
-recursion_limit = 150
-"Limit on the amount of files to read in the dependency scanner"
-
-go_absolute = False
-"Set to True to track headers on files in /usr/include, else absolute paths are ignored (but it becomes very slow)"
-
-standard_includes = ['/usr/local/include', '/usr/include']
-if Utils.is_win32:
-	standard_includes = []
-
-use_trigraphs = 0
-"""Apply trigraph rules (False by default)"""
-
-# obsolete, do not use
-strict_quotes = 0
-
-g_optrans = {
-'not':'!',
-'not_eq':'!',
-'and':'&&',
-'and_eq':'&=',
-'or':'||',
-'or_eq':'|=',
-'xor':'^',
-'xor_eq':'^=',
-'bitand':'&',
-'bitor':'|',
-'compl':'~',
-}
-"""Operators such as and/or/xor for c++. Set an empty dict to disable."""
-
-# ignore #warning and #error
-re_lines = re.compile(
-	'^[ \t]*(?:#|%:)[ \t]*(ifdef|ifndef|if|else|elif|endif|include|import|define|undef|pragma)[ \t]*(.*)\r*$',
-	re.IGNORECASE | re.MULTILINE)
-"""Match #include lines"""
-
-re_mac = re.compile(r"^[a-zA-Z_]\w*")
-"""Match macro definitions"""
-
-re_fun = re.compile('^[a-zA-Z_][a-zA-Z0-9_]*[(]')
-"""Match macro functions"""
-
-re_pragma_once = re.compile(r'^\s*once\s*', re.IGNORECASE)
-"""Match #pragma once statements"""
-
-re_nl = re.compile('\\\\\r*\n', re.MULTILINE)
-"""Match newlines"""
-
-re_cpp = re.compile(r'//.*?$|/\*.*?\*/|\'(?:\\.|[^\\\'])*\'|"(?:\\.|[^\\"])*"', re.DOTALL | re.MULTILINE )
-"""Filter C/C++ comments"""
-
-trig_def = [('??'+a, b) for a, b in zip("=-/!'()<>", r'#~\|^[]{}')]
-"""Trigraph definitions"""
-
-chr_esc = {'0':0, 'a':7, 'b':8, 't':9, 'n':10, 'f':11, 'v':12, 'r':13, '\\':92, "'":39}
-"""Escape characters"""
-
-NUM   = 'i'
-"""Number token"""
-
-OP    = 'O'
-"""Operator token"""
-
-IDENT = 'T'
-"""Identifier token"""
-
-STR   = 's'
-"""String token"""
-
-CHAR  = 'c'
-"""Character token"""
-
-tok_types = [NUM, STR, IDENT, OP]
-"""Token types"""
-
-exp_types = [
-	r"""0[xX](?P<hex>[a-fA-F0-9]+)(?P<qual1>[uUlL]*)|L*?'(?P<char>(\\.|[^\\'])+)'|(?P<n1>\d+)[Ee](?P<exp0>[+-]*?\d+)(?P<float0>[fFlL]*)|(?P<n2>\d*\.\d+)([Ee](?P<exp1>[+-]*?\d+))?(?P<float1>[fFlL]*)|(?P<n4>\d+\.\d*)([Ee](?P<exp2>[+-]*?\d+))?(?P<float2>[fFlL]*)|(?P<oct>0*)(?P<n0>\d+)(?P<qual2>[uUlL]*)""",
-	r'L?"([^"\\]|\\.)*"',
-	r'[a-zA-Z_]\w*',
-	r'%:%:|<<=|>>=|\.\.\.|<<|<%|<:|<=|>>|>=|\+\+|\+=|--|->|-=|\*=|/=|%:|%=|%>|==|&&|&=|\|\||\|=|\^=|:>|!=|##|[\(\)\{\}\[\]<>\?\|\^\*\+&=:!#;,%/\-\?\~\.]',
-]
-"""Expression types"""
-
-re_clexer = re.compile('|'.join(["(?P<%s>%s)" % (name, part) for name, part in zip(tok_types, exp_types)]), re.M)
-"""Match expressions into tokens"""
-
-accepted  = 'a'
-"""Parser state is *accepted*"""
-
-ignored   = 'i'
-"""Parser state is *ignored*, for example preprocessor lines in an #if 0 block"""
-
-undefined = 'u'
-"""Parser state is *undefined* at the moment"""
-
-skipped   = 's'
-"""Parser state is *skipped*, for example preprocessor lines in a #elif 0 block"""
-
-def repl(m):
-	"""Replace function used with :py:attr:`waflib.Tools.c_preproc.re_cpp`"""
-	s = m.group()
-	if s[0] == '/':
-		return ' '
-	return s
-
-prec = {}
-"""
-Operator precedence rules required for parsing expressions of the form::
-
-	#if 1 && 2 != 0
-"""
-ops = ['* / %', '+ -', '<< >>', '< <= >= >', '== !=', '& | ^', '&& ||', ',']
-for x, syms in enumerate(ops):
-	for u in syms.split():
-		prec[u] = x
-
-def reduce_nums(val_1, val_2, val_op):
-	"""
-	Apply arithmetic rules to compute a result
-
-	:param val1: input parameter
-	:type val1: int or string
-	:param val2: input parameter
-	:type val2: int or string
-	:param val_op: C operator in *+*, */*, *-*, etc
-	:type val_op: string
-	:rtype: int
-	"""
-	#print val_1, val_2, val_op
-
-	# now perform the operation, make certain a and b are numeric
-	try:
-		a = 0 + val_1
-	except TypeError:
-		a = int(val_1)
-	try:
-		b = 0 + val_2
-	except TypeError:
-		b = int(val_2)
-
-	d = val_op
-	if d == '%':
-		c = a % b
-	elif d=='+':
-		c = a + b
-	elif d=='-':
-		c = a - b
-	elif d=='*':
-		c = a * b
-	elif d=='/':
-		c = a / b
-	elif d=='^':
-		c = a ^ b
-	elif d=='==':
-		c = int(a == b)
-	elif d=='|'  or d == 'bitor':
-		c = a | b
-	elif d=='||' or d == 'or' :
-		c = int(a or b)
-	elif d=='&'  or d == 'bitand':
-		c = a & b
-	elif d=='&&' or d == 'and':
-		c = int(a and b)
-	elif d=='!=' or d == 'not_eq':
-		c = int(a != b)
-	elif d=='^'  or d == 'xor':
-		c = int(a^b)
-	elif d=='<=':
-		c = int(a <= b)
-	elif d=='<':
-		c = int(a < b)
-	elif d=='>':
-		c = int(a > b)
-	elif d=='>=':
-		c = int(a >= b)
-	elif d=='<<':
-		c = a << b
-	elif d=='>>':
-		c = a >> b
-	else:
-		c = 0
-	return c
-
-def get_num(lst):
-	"""
-	Try to obtain a number from a list of tokens. The token types are defined in :py:attr:`waflib.Tools.ccroot.tok_types`.
-
-	:param lst: list of preprocessor tokens
-	:type lst: list of tuple (tokentype, value)
-	:return: a pair containing the number and the rest of the list
-	:rtype: tuple(value, list)
-	"""
-	if not lst:
-		raise PreprocError('empty list for get_num')
-	(p, v) = lst[0]
-	if p == OP:
-		if v == '(':
-			count_par = 1
-			i = 1
-			while i < len(lst):
-				(p, v) = lst[i]
-
-				if p == OP:
-					if v == ')':
-						count_par -= 1
-						if count_par == 0:
-							break
-					elif v == '(':
-						count_par += 1
-				i += 1
-			else:
-				raise PreprocError('rparen expected %r' % lst)
-
-			(num, _) = get_term(lst[1:i])
-			return (num, lst[i+1:])
-
-		elif v == '+':
-			return get_num(lst[1:])
-		elif v == '-':
-			num, lst = get_num(lst[1:])
-			return (reduce_nums('-1', num, '*'), lst)
-		elif v == '!':
-			num, lst = get_num(lst[1:])
-			return (int(not int(num)), lst)
-		elif v == '~':
-			num, lst = get_num(lst[1:])
-			return (~ int(num), lst)
-		else:
-			raise PreprocError('Invalid op token %r for get_num' % lst)
-	elif p == NUM:
-		return v, lst[1:]
-	elif p == IDENT:
-		# all macros should have been replaced, remaining identifiers eval to 0
-		return 0, lst[1:]
-	else:
-		raise PreprocError('Invalid token %r for get_num' % lst)
-
-def get_term(lst):
-	"""
-	Evaluate an expression recursively, for example::
-
-		1+1+1 -> 2+1 -> 3
-
-	:param lst: list of tokens
-	:type lst: list of tuple(token, value)
-	:return: the value and the remaining tokens
-	:rtype: value, list
-	"""
-
-	if not lst:
-		raise PreprocError('empty list for get_term')
-	num, lst = get_num(lst)
-	if not lst:
-		return (num, [])
-	(p, v) = lst[0]
-	if p == OP:
-		if v == ',':
-			# skip
-			return get_term(lst[1:])
-		elif v == '?':
-			count_par = 0
-			i = 1
-			while i < len(lst):
-				(p, v) = lst[i]
-
-				if p == OP:
-					if v == ')':
-						count_par -= 1
-					elif v == '(':
-						count_par += 1
-					elif v == ':':
-						if count_par == 0:
-							break
-				i += 1
-			else:
-				raise PreprocError('rparen expected %r' % lst)
-
-			if int(num):
-				return get_term(lst[1:i])
-			else:
-				return get_term(lst[i+1:])
-
-		else:
-			num2, lst = get_num(lst[1:])
-
-			if not lst:
-				# no more tokens to process
-				num2 = reduce_nums(num, num2, v)
-				return get_term([(NUM, num2)] + lst)
-
-			# operator precedence
-			p2, v2 = lst[0]
-			if p2 != OP:
-				raise PreprocError('op expected %r' % lst)
-
-			if prec[v2] >= prec[v]:
-				num2 = reduce_nums(num, num2, v)
-				return get_term([(NUM, num2)] + lst)
-			else:
-				num3, lst = get_num(lst[1:])
-				num3 = reduce_nums(num2, num3, v2)
-				return get_term([(NUM, num), (p, v), (NUM, num3)] + lst)
-
-
-	raise PreprocError('cannot reduce %r' % lst)
-
-def reduce_eval(lst):
-	"""
-	Take a list of tokens and output true or false for #if/#elif conditions.
-
-	:param lst: a list of tokens
-	:type lst: list of tuple(token, value)
-	:return: a token
-	:rtype: tuple(NUM, int)
-	"""
-	num, lst = get_term(lst)
-	return (NUM, num)
-
-def stringize(lst):
-	"""
-	Merge a list of tokens into a string
-
-	:param lst: a list of tokens
-	:type lst: list of tuple(token, value)
-	:rtype: string
-	"""
-	lst = [str(v2) for (p2, v2) in lst]
-	return "".join(lst)
-
-def paste_tokens(t1, t2):
-	"""
-	Token pasting works between identifiers, particular operators, and identifiers and numbers::
-
-		a ## b  ->  ab
-		> ## =  ->  >=
-		a ## 2  ->  a2
-
-	:param t1: token
-	:type t1: tuple(type, value)
-	:param t2: token
-	:type t2: tuple(type, value)
-	"""
-	p1 = None
-	if t1[0] == OP and t2[0] == OP:
-		p1 = OP
-	elif t1[0] == IDENT and (t2[0] == IDENT or t2[0] == NUM):
-		p1 = IDENT
-	elif t1[0] == NUM and t2[0] == NUM:
-		p1 = NUM
-	if not p1:
-		raise PreprocError('tokens do not make a valid paste %r and %r' % (t1, t2))
-	return (p1, t1[1] + t2[1])
-
-def reduce_tokens(lst, defs, ban=[]):
-	"""
-	Replace the tokens in lst, using the macros provided in defs, and a list of macros that cannot be re-applied
-
-	:param lst: list of tokens
-	:type lst: list of tuple(token, value)
-	:param defs: macro definitions
-	:type defs: dict
-	:param ban: macros that cannot be substituted (recursion is not allowed)
-	:type ban: list of string
-	:return: the new list of tokens
-	:rtype: value, list
-	"""
-
-	i = 0
-	while i < len(lst):
-		(p, v) = lst[i]
-
-		if p == IDENT and v == "defined":
-			del lst[i]
-			if i < len(lst):
-				(p2, v2) = lst[i]
-				if p2 == IDENT:
-					if v2 in defs:
-						lst[i] = (NUM, 1)
-					else:
-						lst[i] = (NUM, 0)
-				elif p2 == OP and v2 == '(':
-					del lst[i]
-					(p2, v2) = lst[i]
-					del lst[i] # remove the ident, and change the ) for the value
-					if v2 in defs:
-						lst[i] = (NUM, 1)
-					else:
-						lst[i] = (NUM, 0)
-				else:
-					raise PreprocError('Invalid define expression %r' % lst)
-
-		elif p == IDENT and v in defs:
-
-			if isinstance(defs[v], str):
-				a, b = extract_macro(defs[v])
-				defs[v] = b
-			macro_def = defs[v]
-			to_add = macro_def[1]
-
-			if isinstance(macro_def[0], list):
-				# macro without arguments
-				del lst[i]
-				accu = to_add[:]
-				reduce_tokens(accu, defs, ban+[v])
-				for tmp in accu:
-					lst.insert(i, tmp)
-					i += 1
-			else:
-				# collect the arguments for the funcall
-
-				args = []
-				del lst[i]
-
-				if i >= len(lst):
-					raise PreprocError('expected ( after %r (got nothing)' % v)
-
-				(p2, v2) = lst[i]
-				if p2 != OP or v2 != '(':
-					raise PreprocError('expected ( after %r' % v)
-
-				del lst[i]
-
-				one_param = []
-				count_paren = 0
-				while i < len(lst):
-					p2, v2 = lst[i]
-
-					del lst[i]
-					if p2 == OP and count_paren == 0:
-						if v2 == '(':
-							one_param.append((p2, v2))
-							count_paren += 1
-						elif v2 == ')':
-							if one_param:
-								args.append(one_param)
-							break
-						elif v2 == ',':
-							if not one_param:
-								raise PreprocError('empty param in funcall %r' % v)
-							args.append(one_param)
-							one_param = []
-						else:
-							one_param.append((p2, v2))
-					else:
-						one_param.append((p2, v2))
-						if   v2 == '(':
-							count_paren += 1
-						elif v2 == ')':
-							count_paren -= 1
-				else:
-					raise PreprocError('malformed macro')
-
-				# substitute the arguments within the define expression
-				accu = []
-				arg_table = macro_def[0]
-				j = 0
-				while j < len(to_add):
-					(p2, v2) = to_add[j]
-
-					if p2 == OP and v2 == '#':
-						# stringize is for arguments only
-						if j+1 < len(to_add) and to_add[j+1][0] == IDENT and to_add[j+1][1] in arg_table:
-							toks = args[arg_table[to_add[j+1][1]]]
-							accu.append((STR, stringize(toks)))
-							j += 1
-						else:
-							accu.append((p2, v2))
-					elif p2 == OP and v2 == '##':
-						# token pasting, how can man invent such a complicated system?
-						if accu and j+1 < len(to_add):
-							# we have at least two tokens
-
-							t1 = accu[-1]
-
-							if to_add[j+1][0] == IDENT and to_add[j+1][1] in arg_table:
-								toks = args[arg_table[to_add[j+1][1]]]
-
-								if toks:
-									accu[-1] = paste_tokens(t1, toks[0]) #(IDENT, accu[-1][1] + toks[0][1])
-									accu.extend(toks[1:])
-								else:
-									# error, case "a##"
-									accu.append((p2, v2))
-									accu.extend(toks)
-							elif to_add[j+1][0] == IDENT and to_add[j+1][1] == '__VA_ARGS__':
-								# first collect the tokens
-								va_toks = []
-								st = len(macro_def[0])
-								pt = len(args)
-								for x in args[pt-st+1:]:
-									va_toks.extend(x)
-									va_toks.append((OP, ','))
-								if va_toks:
-									va_toks.pop() # extra comma
-								if len(accu)>1:
-									(p3, v3) = accu[-1]
-									(p4, v4) = accu[-2]
-									if v3 == '##':
-										# remove the token paste
-										accu.pop()
-										if v4 == ',' and pt < st:
-											# remove the comma
-											accu.pop()
-								accu += va_toks
-							else:
-								accu[-1] = paste_tokens(t1, to_add[j+1])
-
-							j += 1
-						else:
-							# Invalid paste, case    "##a" or "b##"
-							accu.append((p2, v2))
-
-					elif p2 == IDENT and v2 in arg_table:
-						toks = args[arg_table[v2]]
-						reduce_tokens(toks, defs, ban+[v])
-						accu.extend(toks)
-					else:
-						accu.append((p2, v2))
-
-					j += 1
-
-
-				reduce_tokens(accu, defs, ban+[v])
-
-				for x in range(len(accu)-1, -1, -1):
-					lst.insert(i, accu[x])
-
-		i += 1
-
-
-def eval_macro(lst, defs):
-	"""
-	Reduce the tokens by :py:func:`waflib.Tools.c_preproc.reduce_tokens` and try to return a 0/1 result by :py:func:`waflib.Tools.c_preproc.reduce_eval`.
-
-	:param lst: list of tokens
-	:type lst: list of tuple(token, value)
-	:param defs: macro definitions
-	:type defs: dict
-	:rtype: int
-	"""
-	reduce_tokens(lst, defs, [])
-	if not lst:
-		raise PreprocError('missing tokens to evaluate')
-
-	if lst:
-		p, v = lst[0]
-		if p == IDENT and v not in defs:
-			raise PreprocError('missing macro %r' % lst)
-
-	p, v = reduce_eval(lst)
-	return int(v) != 0
-
-def extract_macro(txt):
-	"""
-	Process a macro definition of the form::
-		 #define f(x, y) x * y
-
-	into a function or a simple macro without arguments
-
-	:param txt: expression to exact a macro definition from
-	:type txt: string
-	:return: a tuple containing the name, the list of arguments and the replacement
-	:rtype: tuple(string, [list, list])
-	"""
-	t = tokenize(txt)
-	if re_fun.search(txt):
-		p, name = t[0]
-
-		p, v = t[1]
-		if p != OP:
-			raise PreprocError('expected (')
-
-		i = 1
-		pindex = 0
-		params = {}
-		prev = '('
-
-		while 1:
-			i += 1
-			p, v = t[i]
-
-			if prev == '(':
-				if p == IDENT:
-					params[v] = pindex
-					pindex += 1
-					prev = p
-				elif p == OP and v == ')':
-					break
-				else:
-					raise PreprocError('unexpected token (3)')
-			elif prev == IDENT:
-				if p == OP and v == ',':
-					prev = v
-				elif p == OP and v == ')':
-					break
-				else:
-					raise PreprocError('comma or ... expected')
-			elif prev == ',':
-				if p == IDENT:
-					params[v] = pindex
-					pindex += 1
-					prev = p
-				elif p == OP and v == '...':
-					raise PreprocError('not implemented (1)')
-				else:
-					raise PreprocError('comma or ... expected (2)')
-			elif prev == '...':
-				raise PreprocError('not implemented (2)')
-			else:
-				raise PreprocError('unexpected else')
-
-		#~ print (name, [params, t[i+1:]])
-		return (name, [params, t[i+1:]])
-	else:
-		(p, v) = t[0]
-		if len(t) > 1:
-			return (v, [[], t[1:]])
-		else:
-			# empty define, assign an empty token
-			return (v, [[], [('T','')]])
-
-re_include = re.compile(r'^\s*(<(?:.*)>|"(?:.*)")')
-def extract_include(txt, defs):
-	"""
-	Process a line in the form::
-
-		#include foo
-
-	:param txt: include line to process
-	:type txt: string
-	:param defs: macro definitions
-	:type defs: dict
-	:return: the file name
-	:rtype: string
-	"""
-	m = re_include.search(txt)
-	if m:
-		txt = m.group(1)
-		return txt[0], txt[1:-1]
-
-	# perform preprocessing and look at the result, it must match an include
-	toks = tokenize(txt)
-	reduce_tokens(toks, defs, ['waf_include'])
-
-	if not toks:
-		raise PreprocError('could not parse include %r' % txt)
-
-	if len(toks) == 1:
-		if toks[0][0] == STR:
-			return '"', toks[0][1]
-	else:
-		if toks[0][1] == '<' and toks[-1][1] == '>':
-			ret = '<', stringize(toks).lstrip('<').rstrip('>')
-			return ret
-
-	raise PreprocError('could not parse include %r' % txt)
-
-def parse_char(txt):
-	"""
-	Parse a c character
-
-	:param txt: character to parse
-	:type txt: string
-	:return: a character literal
-	:rtype: string
-	"""
-
-	if not txt:
-		raise PreprocError('attempted to parse a null char')
-	if txt[0] != '\\':
-		return ord(txt)
-	c = txt[1]
-	if c == 'x':
-		if len(txt) == 4 and txt[3] in string.hexdigits:
-			return int(txt[2:], 16)
-		return int(txt[2:], 16)
-	elif c.isdigit():
-		if c == '0' and len(txt)==2:
-			return 0
-		for i in 3, 2, 1:
-			if len(txt) > i and txt[1:1+i].isdigit():
-				return (1+i, int(txt[1:1+i], 8))
-	else:
-		try:
-			return chr_esc[c]
-		except KeyError:
-			raise PreprocError('could not parse char literal %r' % txt)
-
-def tokenize(s):
-	"""
-	Convert a string into a list of tokens (shlex.split does not apply to c/c++/d)
-
-	:param s: input to tokenize
-	:type s: string
-	:return: a list of tokens
-	:rtype: list of tuple(token, value)
-	"""
-	return tokenize_private(s)[:] # force a copy of the results
-
-def tokenize_private(s):
-	ret = []
-	for match in re_clexer.finditer(s):
-		m = match.group
-		for name in tok_types:
-			v = m(name)
-			if v:
-				if name == IDENT:
-					if v in g_optrans:
-						name = OP
-					elif v.lower() == "true":
-						v = 1
-						name = NUM
-					elif v.lower() == "false":
-						v = 0
-						name = NUM
-				elif name == NUM:
-					if m('oct'):
-						v = int(v, 8)
-					elif m('hex'):
-						v = int(m('hex'), 16)
-					elif m('n0'):
-						v = m('n0')
-					else:
-						v = m('char')
-						if v:
-							v = parse_char(v)
-						else:
-							v = m('n2') or m('n4')
-				elif name == OP:
-					if v == '%:':
-						v = '#'
-					elif v == '%:%:':
-						v = '##'
-				elif name == STR:
-					# remove the quotes around the string
-					v = v[1:-1]
-				ret.append((name, v))
-				break
-	return ret
-
-def format_defines(lst):
-	ret = []
-	for y in lst:
-		if y:
-			pos = y.find('=')
-			if pos == -1:
-				# "-DFOO" should give "#define FOO 1"
-				ret.append(y)
-			elif pos > 0:
-				# all others are assumed to be -DX=Y
-				ret.append('%s %s' % (y[:pos], y[pos+1:]))
-			else:
-				raise ValueError('Invalid define expression %r' % y)
-	return ret
-
-class c_parser(object):
-	"""
-	Used by :py:func:`waflib.Tools.c_preproc.scan` to parse c/h files. Note that by default,
-	only project headers are parsed.
-	"""
-	def __init__(self, nodepaths=None, defines=None):
-		self.lines = []
-		"""list of lines read"""
-
-		if defines is None:
-			self.defs  = {}
-		else:
-			self.defs  = dict(defines) # make a copy
-		self.state = []
-
-		self.count_files = 0
-		self.currentnode_stack = []
-
-		self.nodepaths = nodepaths or []
-		"""Include paths"""
-
-		self.nodes = []
-		"""List of :py:class:`waflib.Node.Node` found so far"""
-
-		self.names = []
-		"""List of file names that could not be matched by any file"""
-
-		self.curfile = ''
-		"""Current file"""
-
-		self.ban_includes = set()
-		"""Includes that must not be read (#pragma once)"""
-
-		self.listed = set()
-		"""Include nodes/names already listed to avoid duplicates in self.nodes/self.names"""
-
-	def cached_find_resource(self, node, filename):
-		"""
-		Find a file from the input directory
-
-		:param node: directory
-		:type node: :py:class:`waflib.Node.Node`
-		:param filename: header to find
-		:type filename: string
-		:return: the node if found, or None
-		:rtype: :py:class:`waflib.Node.Node`
-		"""
-		try:
-			cache = node.ctx.preproc_cache_node
-		except AttributeError:
-			cache = node.ctx.preproc_cache_node = Utils.lru_cache(FILE_CACHE_SIZE)
-
-		key = (node, filename)
-		try:
-			return cache[key]
-		except KeyError:
-			ret = node.find_resource(filename)
-			if ret:
-				if getattr(ret, 'children', None):
-					ret = None
-				elif ret.is_child_of(node.ctx.bldnode):
-					tmp = node.ctx.srcnode.search_node(ret.path_from(node.ctx.bldnode))
-					if tmp and getattr(tmp, 'children', None):
-						ret = None
-			cache[key] = ret
-			return ret
-
-	def tryfind(self, filename, kind='"', env=None):
-		"""
-		Try to obtain a node from the filename based from the include paths. Will add
-		the node found to :py:attr:`waflib.Tools.c_preproc.c_parser.nodes` or the file name to
-		:py:attr:`waflib.Tools.c_preproc.c_parser.names` if no corresponding file is found. Called by
-		:py:attr:`waflib.Tools.c_preproc.c_parser.start`.
-
-		:param filename: header to find
-		:type filename: string
-		:return: the node if found
-		:rtype: :py:class:`waflib.Node.Node`
-		"""
-		if filename.endswith('.moc'):
-			# we could let the qt4 module use a subclass, but then the function "scan" below must be duplicated
-			# in the qt4 and in the qt5 classes. So we have two lines here and it is sufficient.
-			self.names.append(filename)
-			return None
-
-		self.curfile = filename
-
-		found = None
-		if kind == '"':
-			if env.MSVC_VERSION:
-				for n in reversed(self.currentnode_stack):
-					found = self.cached_find_resource(n, filename)
-					if found:
-						break
-			else:
-				found = self.cached_find_resource(self.currentnode_stack[-1], filename)
-
-		if not found:
-			for n in self.nodepaths:
-				found = self.cached_find_resource(n, filename)
-				if found:
-					break
-
-		listed = self.listed
-		if found and not found in self.ban_includes:
-			if found not in listed:
-				listed.add(found)
-				self.nodes.append(found)
-			self.addlines(found)
-		else:
-			if filename not in listed:
-				listed.add(filename)
-				self.names.append(filename)
-		return found
-
-	def filter_comments(self, node):
-		"""
-		Filter the comments from a c/h file, and return the preprocessor lines.
-		The regexps :py:attr:`waflib.Tools.c_preproc.re_cpp`, :py:attr:`waflib.Tools.c_preproc.re_nl` and :py:attr:`waflib.Tools.c_preproc.re_lines` are used internally.
-
-		:return: the preprocessor directives as a list of (keyword, line)
-		:rtype: a list of string pairs
-		"""
-		# return a list of tuples : keyword, line
-		code = node.read()
-		if use_trigraphs:
-			for (a, b) in trig_def:
-				code = code.split(a).join(b)
-		code = re_nl.sub('', code)
-		code = re_cpp.sub(repl, code)
-		return re_lines.findall(code)
-
-	def parse_lines(self, node):
-		try:
-			cache = node.ctx.preproc_cache_lines
-		except AttributeError:
-			cache = node.ctx.preproc_cache_lines = Utils.lru_cache(LINE_CACHE_SIZE)
-		try:
-			return cache[node]
-		except KeyError:
-			cache[node] = lines = self.filter_comments(node)
-			lines.append((POPFILE, ''))
-			lines.reverse()
-			return lines
-
-	def addlines(self, node):
-		"""
-		Add the lines from a header in the list of preprocessor lines to parse
-
-		:param node: header
-		:type node: :py:class:`waflib.Node.Node`
-		"""
-
-		self.currentnode_stack.append(node.parent)
-
-		self.count_files += 1
-		if self.count_files > recursion_limit:
-			# issue #812
-			raise PreprocError('recursion limit exceeded')
-
-		if Logs.verbose:
-			Logs.debug('preproc: reading file %r', node)
-		try:
-			lines = self.parse_lines(node)
-		except EnvironmentError:
-			raise PreprocError('could not read the file %r' % node)
-		except Exception:
-			if Logs.verbose > 0:
-				Logs.error('parsing %r failed %s', node, traceback.format_exc())
-		else:
-			self.lines.extend(lines)
-
-	def start(self, node, env):
-		"""
-		Preprocess a source file to obtain the dependencies, which are accumulated to :py:attr:`waflib.Tools.c_preproc.c_parser.nodes`
-		and :py:attr:`waflib.Tools.c_preproc.c_parser.names`.
-
-		:param node: source file
-		:type node: :py:class:`waflib.Node.Node`
-		:param env: config set containing additional defines to take into account
-		:type env: :py:class:`waflib.ConfigSet.ConfigSet`
-		"""
-		Logs.debug('preproc: scanning %s (in %s)', node.name, node.parent.name)
-
-		self.current_file = node
-		self.addlines(node)
-
-		# macros may be defined on the command-line, so they must be parsed as if they were part of the file
-		if env.DEFINES:
-			lst = format_defines(env.DEFINES)
-			lst.reverse()
-			self.lines.extend([('define', x) for x in lst])
-
-		while self.lines:
-			(token, line) = self.lines.pop()
-			if token == POPFILE:
-				self.count_files -= 1
-				self.currentnode_stack.pop()
-				continue
-
-			try:
-				state = self.state
-
-				# make certain we define the state if we are about to enter in an if block
-				if token[:2] == 'if':
-					state.append(undefined)
-				elif token == 'endif':
-					state.pop()
-
-				# skip lines when in a dead 'if' branch, wait for the endif
-				if token[0] != 'e':
-					if skipped in self.state or ignored in self.state:
-						continue
-
-				if token == 'if':
-					ret = eval_macro(tokenize(line), self.defs)
-					if ret:
-						state[-1] = accepted
-					else:
-						state[-1] = ignored
-				elif token == 'ifdef':
-					m = re_mac.match(line)
-					if m and m.group() in self.defs:
-						state[-1] = accepted
-					else:
-						state[-1] = ignored
-				elif token == 'ifndef':
-					m = re_mac.match(line)
-					if m and m.group() in self.defs:
-						state[-1] = ignored
-					else:
-						state[-1] = accepted
-				elif token == 'include' or token == 'import':
-					(kind, inc) = extract_include(line, self.defs)
-					self.current_file = self.tryfind(inc, kind, env)
-					if token == 'import':
-						self.ban_includes.add(self.current_file)
-				elif token == 'elif':
-					if state[-1] == accepted:
-						state[-1] = skipped
-					elif state[-1] == ignored:
-						if eval_macro(tokenize(line), self.defs):
-							state[-1] = accepted
-				elif token == 'else':
-					if state[-1] == accepted:
-						state[-1] = skipped
-					elif state[-1] == ignored:
-						state[-1] = accepted
-				elif token == 'define':
-					try:
-						self.defs[self.define_name(line)] = line
-					except AttributeError:
-						raise PreprocError('Invalid define line %r' % line)
-				elif token == 'undef':
-					m = re_mac.match(line)
-					if m and m.group() in self.defs:
-						self.defs.__delitem__(m.group())
-						#print "undef %s" % name
-				elif token == 'pragma':
-					if re_pragma_once.match(line.lower()):
-						self.ban_includes.add(self.current_file)
-			except Exception as e:
-				if Logs.verbose:
-					Logs.debug('preproc: line parsing failed (%s): %s %s', e, line, traceback.format_exc())
-
-	def define_name(self, line):
-		"""
-		:param line: define line
-		:type line: string
-		:rtype: string
-		:return: the define name
-		"""
-		return re_mac.match(line).group()
-
-def scan(task):
-	"""
-	Get the dependencies using a c/c++ preprocessor, this is required for finding dependencies of the kind::
-
-		#include some_macro()
-
-	This function is bound as a task method on :py:class:`waflib.Tools.c.c` and :py:class:`waflib.Tools.cxx.cxx` for example
-	"""
-	try:
-		incn = task.generator.includes_nodes
-	except AttributeError:
-		raise Errors.WafError('%r is missing a feature such as "c", "cxx" or "includes": ' % task.generator)
-
-	if go_absolute:
-		nodepaths = incn + [task.generator.bld.root.find_dir(x) for x in standard_includes]
-	else:
-		nodepaths = [x for x in incn if x.is_child_of(x.ctx.srcnode) or x.is_child_of(x.ctx.bldnode)]
-
-	tmp = c_parser(nodepaths)
-	tmp.start(task.inputs[0], task.env)
-	return (tmp.nodes, tmp.names)
diff --git a/waflib/Tools/c_tests.py b/waflib/Tools/c_tests.py
deleted file mode 100644
index f858df57..00000000
--- a/waflib/Tools/c_tests.py
+++ /dev/null
@@ -1,229 +0,0 @@
-#!/usr/bin/env python
-# encoding: utf-8
-# Thomas Nagy, 2016-2018 (ita)
-
-"""
-Various configuration tests.
-"""
-
-from waflib import Task
-from waflib.Configure import conf
-from waflib.TaskGen import feature, before_method, after_method
-
-LIB_CODE = '''
-#ifdef _MSC_VER
-#define testEXPORT __declspec(dllexport)
-#else
-#define testEXPORT
-#endif
-testEXPORT int lib_func(void) { return 9; }
-'''
-
-MAIN_CODE = '''
-#ifdef _MSC_VER
-#define testEXPORT __declspec(dllimport)
-#else
-#define testEXPORT
-#endif
-testEXPORT int lib_func(void);
-int main(int argc, char **argv) {
-	(void)argc; (void)argv;
-	return !(lib_func() == 9);
-}
-'''
-
-@feature('link_lib_test')
-@before_method('process_source')
-def link_lib_test_fun(self):
-	"""
-	The configuration test :py:func:`waflib.Configure.run_build` declares a unique task generator,
-	so we need to create other task generators from here to check if the linker is able to link libraries.
-	"""
-	def write_test_file(task):
-		task.outputs[0].write(task.generator.code)
-
-	rpath = []
-	if getattr(self, 'add_rpath', False):
-		rpath = [self.bld.path.get_bld().abspath()]
-
-	mode = self.mode
-	m = '%s %s' % (mode, mode)
-	ex = self.test_exec and 'test_exec' or ''
-	bld = self.bld
-	bld(rule=write_test_file, target='test.' + mode, code=LIB_CODE)
-	bld(rule=write_test_file, target='main.' + mode, code=MAIN_CODE)
-	bld(features='%sshlib' % m, source='test.' + mode, target='test')
-	bld(features='%sprogram %s' % (m, ex), source='main.' + mode, target='app', use='test', rpath=rpath)
-
-@conf
-def check_library(self, mode=None, test_exec=True):
-	"""
-	Checks if libraries can be linked with the current linker. Uses :py:func:`waflib.Tools.c_tests.link_lib_test_fun`.
-
-	:param mode: c or cxx or d
-	:type mode: string
-	"""
-	if not mode:
-		mode = 'c'
-		if self.env.CXX:
-			mode = 'cxx'
-	self.check(
-		compile_filename = [],
-		features = 'link_lib_test',
-		msg = 'Checking for libraries',
-		mode = mode,
-		test_exec = test_exec)
-
-########################################################################################
-
-INLINE_CODE = '''
-typedef int foo_t;
-static %s foo_t static_foo () {return 0; }
-%s foo_t foo () {
-	return 0;
-}
-'''
-INLINE_VALUES = ['inline', '__inline__', '__inline']
-
-@conf
-def check_inline(self, **kw):
-	"""
-	Checks for the right value for inline macro.
-	Define INLINE_MACRO to 1 if the define is found.
-	If the inline macro is not 'inline', add a define to the ``config.h`` (#define inline __inline__)
-
-	:param define_name: define INLINE_MACRO by default to 1 if the macro is defined
-	:type define_name: string
-	:param features: by default *c* or *cxx* depending on the compiler present
-	:type features: list of string
-	"""
-	self.start_msg('Checking for inline')
-
-	if not 'define_name' in kw:
-		kw['define_name'] = 'INLINE_MACRO'
-	if not 'features' in kw:
-		if self.env.CXX:
-			kw['features'] = ['cxx']
-		else:
-			kw['features'] = ['c']
-
-	for x in INLINE_VALUES:
-		kw['fragment'] = INLINE_CODE % (x, x)
-
-		try:
-			self.check(**kw)
-		except self.errors.ConfigurationError:
-			continue
-		else:
-			self.end_msg(x)
-			if x != 'inline':
-				self.define('inline', x, quote=False)
-			return x
-	self.fatal('could not use inline functions')
-
-########################################################################################
-
-LARGE_FRAGMENT = '''#include <unistd.h>
-int main(int argc, char **argv) {
-	(void)argc; (void)argv;
-	return !(sizeof(off_t) >= 8);
-}
-'''
-
-@conf
-def check_large_file(self, **kw):
-	"""
-	Checks for large file support and define the macro HAVE_LARGEFILE
-	The test is skipped on win32 systems (DEST_BINFMT == pe).
-
-	:param define_name: define to set, by default *HAVE_LARGEFILE*
-	:type define_name: string
-	:param execute: execute the test (yes by default)
-	:type execute: bool
-	"""
-	if not 'define_name' in kw:
-		kw['define_name'] = 'HAVE_LARGEFILE'
-	if not 'execute' in kw:
-		kw['execute'] = True
-
-	if not 'features' in kw:
-		if self.env.CXX:
-			kw['features'] = ['cxx', 'cxxprogram']
-		else:
-			kw['features'] = ['c', 'cprogram']
-
-	kw['fragment'] = LARGE_FRAGMENT
-
-	kw['msg'] = 'Checking for large file support'
-	ret = True
-	try:
-		if self.env.DEST_BINFMT != 'pe':
-			ret = self.check(**kw)
-	except self.errors.ConfigurationError:
-		pass
-	else:
-		if ret:
-			return True
-
-	kw['msg'] = 'Checking for -D_FILE_OFFSET_BITS=64'
-	kw['defines'] = ['_FILE_OFFSET_BITS=64']
-	try:
-		ret = self.check(**kw)
-	except self.errors.ConfigurationError:
-		pass
-	else:
-		self.define('_FILE_OFFSET_BITS', 64)
-		return ret
-
-	self.fatal('There is no support for large files')
-
-########################################################################################
-
-ENDIAN_FRAGMENT = '''
-short int ascii_mm[] = { 0x4249, 0x4765, 0x6E44, 0x6961, 0x6E53, 0x7953, 0 };
-short int ascii_ii[] = { 0x694C, 0x5454, 0x656C, 0x6E45, 0x6944, 0x6E61, 0 };
-int use_ascii (int i) {
-	return ascii_mm[i] + ascii_ii[i];
-}
-short int ebcdic_ii[] = { 0x89D3, 0xE3E3, 0x8593, 0x95C5, 0x89C4, 0x9581, 0 };
-short int ebcdic_mm[] = { 0xC2C9, 0xC785, 0x95C4, 0x8981, 0x95E2, 0xA8E2, 0 };
-int use_ebcdic (int i) {
-	return ebcdic_mm[i] + ebcdic_ii[i];
-}
-extern int foo;
-'''
-
-class grep_for_endianness(Task.Task):
-	"""
-	Task that reads a binary and tries to determine the endianness
-	"""
-	color = 'PINK'
-	def run(self):
-		txt = self.inputs[0].read(flags='rb').decode('latin-1')
-		if txt.find('LiTTleEnDian') > -1:
-			self.generator.tmp.append('little')
-		elif txt.find('BIGenDianSyS') > -1:
-			self.generator.tmp.append('big')
-		else:
-			return -1
-
-@feature('grep_for_endianness')
-@after_method('process_source')
-def grep_for_endianness_fun(self):
-	"""
-	Used by the endianness configuration test
-	"""
-	self.create_task('grep_for_endianness', self.compiled_tasks[0].outputs[0])
-
-@conf
-def check_endianness(self):
-	"""
-	Executes a configuration test to determine the endianness
-	"""
-	tmp = []
-	def check_msg(self):
-		return tmp[0]
-	self.check(fragment=ENDIAN_FRAGMENT, features='c grep_for_endianness',
-		msg='Checking for endianness', define='ENDIANNESS', tmp=tmp, okmsg=check_msg)
-	return tmp[0]
-
diff --git a/waflib/Tools/ccroot.py b/waflib/Tools/ccroot.py
deleted file mode 100644
index 579d5b2b..00000000
--- a/waflib/Tools/ccroot.py
+++ /dev/null
@@ -1,791 +0,0 @@
-#!/usr/bin/env python
-# encoding: utf-8
-# Thomas Nagy, 2005-2018 (ita)
-
-"""
-Classes and methods shared by tools providing support for C-like language such
-as C/C++/D/Assembly/Go (this support module is almost never used alone).
-"""
-
-import os, re
-from waflib import Task, Utils, Node, Errors, Logs
-from waflib.TaskGen import after_method, before_method, feature, taskgen_method, extension
-from waflib.Tools import c_aliases, c_preproc, c_config, c_osx, c_tests
-from waflib.Configure import conf
-
-SYSTEM_LIB_PATHS = ['/usr/lib64', '/usr/lib', '/usr/local/lib64', '/usr/local/lib']
-
-USELIB_VARS = Utils.defaultdict(set)
-"""
-Mapping for features to :py:class:`waflib.ConfigSet.ConfigSet` variables. See :py:func:`waflib.Tools.ccroot.propagate_uselib_vars`.
-"""
-
-USELIB_VARS['c']        = set(['INCLUDES', 'FRAMEWORKPATH', 'DEFINES', 'CPPFLAGS', 'CCDEPS', 'CFLAGS', 'ARCH'])
-USELIB_VARS['cxx']      = set(['INCLUDES', 'FRAMEWORKPATH', 'DEFINES', 'CPPFLAGS', 'CXXDEPS', 'CXXFLAGS', 'ARCH'])
-USELIB_VARS['d']        = set(['INCLUDES', 'DFLAGS'])
-USELIB_VARS['includes'] = set(['INCLUDES', 'FRAMEWORKPATH', 'ARCH'])
-
-USELIB_VARS['cprogram'] = USELIB_VARS['cxxprogram'] = set(['LIB', 'STLIB', 'LIBPATH', 'STLIBPATH', 'LINKFLAGS', 'RPATH', 'LINKDEPS', 'FRAMEWORK', 'FRAMEWORKPATH', 'ARCH', 'LDFLAGS'])
-USELIB_VARS['cshlib']   = USELIB_VARS['cxxshlib']   = set(['LIB', 'STLIB', 'LIBPATH', 'STLIBPATH', 'LINKFLAGS', 'RPATH', 'LINKDEPS', 'FRAMEWORK', 'FRAMEWORKPATH', 'ARCH', 'LDFLAGS'])
-USELIB_VARS['cstlib']   = USELIB_VARS['cxxstlib']   = set(['ARFLAGS', 'LINKDEPS'])
-
-USELIB_VARS['dprogram'] = set(['LIB', 'STLIB', 'LIBPATH', 'STLIBPATH', 'LINKFLAGS', 'RPATH', 'LINKDEPS'])
-USELIB_VARS['dshlib']   = set(['LIB', 'STLIB', 'LIBPATH', 'STLIBPATH', 'LINKFLAGS', 'RPATH', 'LINKDEPS'])
-USELIB_VARS['dstlib']   = set(['ARFLAGS', 'LINKDEPS'])
-
-USELIB_VARS['asm'] = set(['ASFLAGS'])
-
-# =================================================================================================
-
-@taskgen_method
-def create_compiled_task(self, name, node):
-	"""
-	Create the compilation task: c, cxx, asm, etc. The output node is created automatically (object file with a typical **.o** extension).
-	The task is appended to the list *compiled_tasks* which is then used by :py:func:`waflib.Tools.ccroot.apply_link`
-
-	:param name: name of the task class
-	:type name: string
-	:param node: the file to compile
-	:type node: :py:class:`waflib.Node.Node`
-	:return: The task created
-	:rtype: :py:class:`waflib.Task.Task`
-	"""
-	out = '%s.%d.o' % (node.name, self.idx)
-	task = self.create_task(name, node, node.parent.find_or_declare(out))
-	try:
-		self.compiled_tasks.append(task)
-	except AttributeError:
-		self.compiled_tasks = [task]
-	return task
-
-@taskgen_method
-def to_incnodes(self, inlst):
-	"""
-	Task generator method provided to convert a list of string/nodes into a list of includes folders.
-
-	The paths are assumed to be relative to the task generator path, except if they begin by **#**
-	in which case they are searched from the top-level directory (``bld.srcnode``).
-	The folders are simply assumed to be existing.
-
-	The node objects in the list are returned in the output list. The strings are converted
-	into node objects if possible. The node is searched from the source directory, and if a match is found,
-	the equivalent build directory is created and added to the returned list too. When a folder cannot be found, it is ignored.
-
-	:param inlst: list of folders
-	:type inlst: space-delimited string or a list of string/nodes
-	:rtype: list of :py:class:`waflib.Node.Node`
-	:return: list of include folders as nodes
-	"""
-	lst = []
-	seen = set()
-	for x in self.to_list(inlst):
-		if x in seen or not x:
-			continue
-		seen.add(x)
-
-		# with a real lot of targets, it is sometimes interesting to cache the results below
-		if isinstance(x, Node.Node):
-			lst.append(x)
-		else:
-			if os.path.isabs(x):
-				lst.append(self.bld.root.make_node(x) or x)
-			else:
-				if x[0] == '#':
-					p = self.bld.bldnode.make_node(x[1:])
-					v = self.bld.srcnode.make_node(x[1:])
-				else:
-					p = self.path.get_bld().make_node(x)
-					v = self.path.make_node(x)
-				if p.is_child_of(self.bld.bldnode):
-					p.mkdir()
-				lst.append(p)
-				lst.append(v)
-	return lst
-
-@feature('c', 'cxx', 'd', 'asm', 'fc', 'includes')
-@after_method('propagate_uselib_vars', 'process_source')
-def apply_incpaths(self):
-	"""
-	Task generator method that processes the attribute *includes*::
-
-		tg = bld(features='includes', includes='.')
-
-	The folders only need to be relative to the current directory, the equivalent build directory is
-	added automatically (for headers created in the build directory). This enables using a build directory
-	or not (``top == out``).
-
-	This method will add a list of nodes read by :py:func:`waflib.Tools.ccroot.to_incnodes` in ``tg.env.INCPATHS``,
-	and the list of include paths in ``tg.env.INCLUDES``.
-	"""
-
-	lst = self.to_incnodes(self.to_list(getattr(self, 'includes', [])) + self.env.INCLUDES)
-	self.includes_nodes = lst
-	cwd = self.get_cwd()
-	self.env.INCPATHS = [x.path_from(cwd) for x in lst]
-
-class link_task(Task.Task):
-	"""
-	Base class for all link tasks. A task generator is supposed to have at most one link task bound in the attribute *link_task*. See :py:func:`waflib.Tools.ccroot.apply_link`.
-
-	.. inheritance-diagram:: waflib.Tools.ccroot.stlink_task waflib.Tools.c.cprogram waflib.Tools.c.cshlib waflib.Tools.cxx.cxxstlib  waflib.Tools.cxx.cxxprogram waflib.Tools.cxx.cxxshlib waflib.Tools.d.dprogram waflib.Tools.d.dshlib waflib.Tools.d.dstlib waflib.Tools.ccroot.fake_shlib waflib.Tools.ccroot.fake_stlib waflib.Tools.asm.asmprogram waflib.Tools.asm.asmshlib waflib.Tools.asm.asmstlib
-	"""
-	color   = 'YELLOW'
-
-	weight  = 3
-	"""Try to process link tasks as early as possible"""
-
-	inst_to = None
-	"""Default installation path for the link task outputs, or None to disable"""
-
-	chmod   = Utils.O755
-	"""Default installation mode for the link task outputs"""
-
-	def add_target(self, target):
-		"""
-		Process the *target* attribute to add the platform-specific prefix/suffix such as *.so* or *.exe*.
-		The settings are retrieved from ``env.clsname_PATTERN``
-		"""
-		if isinstance(target, str):
-			base = self.generator.path
-			if target.startswith('#'):
-				# for those who like flat structures
-				target = target[1:]
-				base = self.generator.bld.bldnode
-
-			pattern = self.env[self.__class__.__name__ + '_PATTERN']
-			if not pattern:
-				pattern = '%s'
-			folder, name = os.path.split(target)
-
-			if self.__class__.__name__.find('shlib') > 0 and getattr(self.generator, 'vnum', None):
-				nums = self.generator.vnum.split('.')
-				if self.env.DEST_BINFMT == 'pe':
-					# include the version in the dll file name,
-					# the import lib file name stays unversioned.
-					name = name + '-' + nums[0]
-				elif self.env.DEST_OS == 'openbsd':
-					pattern = '%s.%s' % (pattern, nums[0])
-					if len(nums) >= 2:
-						pattern += '.%s' % nums[1]
-
-			if folder:
-				tmp = folder + os.sep + pattern % name
-			else:
-				tmp = pattern % name
-			target = base.find_or_declare(tmp)
-		self.set_outputs(target)
-
-	def exec_command(self, *k, **kw):
-		ret = super(link_task, self).exec_command(*k, **kw)
-		if not ret and self.env.DO_MANIFEST:
-			ret = self.exec_mf()
-		return ret
-
-	def exec_mf(self):
-		"""
-		Create manifest files for VS-like compilers (msvc, ifort, ...)
-		"""
-		if not self.env.MT:
-			return 0
-
-		manifest = None
-		for out_node in self.outputs:
-			if out_node.name.endswith('.manifest'):
-				manifest = out_node.abspath()
-				break
-		else:
-			# Should never get here.  If we do, it means the manifest file was
-			# never added to the outputs list, thus we don't have a manifest file
-			# to embed, so we just return.
-			return 0
-
-		# embedding mode. Different for EXE's and DLL's.
-		# see: http://msdn2.microsoft.com/en-us/library/ms235591(VS.80).aspx
-		mode = ''
-		for x in Utils.to_list(self.generator.features):
-			if x in ('cprogram', 'cxxprogram', 'fcprogram', 'fcprogram_test'):
-				mode = 1
-			elif x in ('cshlib', 'cxxshlib', 'fcshlib'):
-				mode = 2
-
-		Logs.debug('msvc: embedding manifest in mode %r', mode)
-
-		lst = [] + self.env.MT
-		lst.extend(Utils.to_list(self.env.MTFLAGS))
-		lst.extend(['-manifest', manifest])
-		lst.append('-outputresource:%s;%s' % (self.outputs[0].abspath(), mode))
-
-		return super(link_task, self).exec_command(lst)
-
-class stlink_task(link_task):
-	"""
-	Base for static link tasks, which use *ar* most of the time.
-	The target is always removed before being written.
-	"""
-	run_str = '${AR} ${ARFLAGS} ${AR_TGT_F}${TGT} ${AR_SRC_F}${SRC}'
-
-	chmod   = Utils.O644
-	"""Default installation mode for the static libraries"""
-
-def rm_tgt(cls):
-	old = cls.run
-	def wrap(self):
-		try:
-			os.remove(self.outputs[0].abspath())
-		except OSError:
-			pass
-		return old(self)
-	setattr(cls, 'run', wrap)
-rm_tgt(stlink_task)
-
-@feature('skip_stlib_link_deps')
-@before_method('process_use')
-def apply_skip_stlib_link_deps(self):
-	"""
-	This enables an optimization in the :py:func:wafilb.Tools.ccroot.processes_use: method that skips dependency and
-	link flag optimizations for targets that generate static libraries (via the :py:class:Tools.ccroot.stlink_task task).
-	The actual behavior is implemented in :py:func:wafilb.Tools.ccroot.processes_use: method so this feature only tells waf
-	to enable the new behavior.
-	"""
-	self.env.SKIP_STLIB_LINK_DEPS = True
-
-@feature('c', 'cxx', 'd', 'fc', 'asm')
-@after_method('process_source')
-def apply_link(self):
-	"""
-	Collect the tasks stored in ``compiled_tasks`` (created by :py:func:`waflib.Tools.ccroot.create_compiled_task`), and
-	use the outputs for a new instance of :py:class:`waflib.Tools.ccroot.link_task`. The class to use is the first link task
-	matching a name from the attribute *features*, for example::
-
-			def build(bld):
-				tg = bld(features='cxx cxxprogram cprogram', source='main.c', target='app')
-
-	will create the task ``tg.link_task`` as a new instance of :py:class:`waflib.Tools.cxx.cxxprogram`
-	"""
-
-	for x in self.features:
-		if x == 'cprogram' and 'cxx' in self.features: # limited compat
-			x = 'cxxprogram'
-		elif x == 'cshlib' and 'cxx' in self.features:
-			x = 'cxxshlib'
-
-		if x in Task.classes:
-			if issubclass(Task.classes[x], link_task):
-				link = x
-				break
-	else:
-		return
-
-	objs = [t.outputs[0] for t in getattr(self, 'compiled_tasks', [])]
-	self.link_task = self.create_task(link, objs)
-	self.link_task.add_target(self.target)
-
-	# remember that the install paths are given by the task generators
-	try:
-		inst_to = self.install_path
-	except AttributeError:
-		inst_to = self.link_task.inst_to
-	if inst_to:
-		# install a copy of the node list we have at this moment (implib not added)
-		self.install_task = self.add_install_files(
-			install_to=inst_to, install_from=self.link_task.outputs[:],
-			chmod=self.link_task.chmod, task=self.link_task)
-
-@taskgen_method
-def use_rec(self, name, **kw):
-	"""
-	Processes the ``use`` keyword recursively. This method is kind of private and only meant to be used from ``process_use``
-	"""
-
-	if name in self.tmp_use_not or name in self.tmp_use_seen:
-		return
-
-	try:
-		y = self.bld.get_tgen_by_name(name)
-	except Errors.WafError:
-		self.uselib.append(name)
-		self.tmp_use_not.add(name)
-		return
-
-	self.tmp_use_seen.append(name)
-	y.post()
-
-	# bind temporary attributes on the task generator
-	y.tmp_use_objects = objects = kw.get('objects', True)
-	y.tmp_use_stlib   = stlib   = kw.get('stlib', True)
-	try:
-		link_task = y.link_task
-	except AttributeError:
-		y.tmp_use_var = ''
-	else:
-		objects = False
-		if not isinstance(link_task, stlink_task):
-			stlib = False
-			y.tmp_use_var = 'LIB'
-		else:
-			y.tmp_use_var = 'STLIB'
-
-	p = self.tmp_use_prec
-	for x in self.to_list(getattr(y, 'use', [])):
-		if self.env["STLIB_" + x]:
-			continue
-		try:
-			p[x].append(name)
-		except KeyError:
-			p[x] = [name]
-		self.use_rec(x, objects=objects, stlib=stlib)
-
-@feature('c', 'cxx', 'd', 'use', 'fc')
-@before_method('apply_incpaths', 'propagate_uselib_vars')
-@after_method('apply_link', 'process_source')
-def process_use(self):
-	"""
-	Process the ``use`` attribute which contains a list of task generator names::
-
-		def build(bld):
-			bld.shlib(source='a.c', target='lib1')
-			bld.program(source='main.c', target='app', use='lib1')
-
-	See :py:func:`waflib.Tools.ccroot.use_rec`.
-	"""
-
-	use_not = self.tmp_use_not = set()
-	self.tmp_use_seen = [] # we would like an ordered set
-	use_prec = self.tmp_use_prec = {}
-	self.uselib = self.to_list(getattr(self, 'uselib', []))
-	self.includes = self.to_list(getattr(self, 'includes', []))
-	names = self.to_list(getattr(self, 'use', []))
-
-	for x in names:
-		self.use_rec(x)
-
-	for x in use_not:
-		if x in use_prec:
-			del use_prec[x]
-
-	# topological sort
-	out = self.tmp_use_sorted = []
-	tmp = []
-	for x in self.tmp_use_seen:
-		for k in use_prec.values():
-			if x in k:
-				break
-		else:
-			tmp.append(x)
-
-	while tmp:
-		e = tmp.pop()
-		out.append(e)
-		try:
-			nlst = use_prec[e]
-		except KeyError:
-			pass
-		else:
-			del use_prec[e]
-			for x in nlst:
-				for y in use_prec:
-					if x in use_prec[y]:
-						break
-				else:
-					tmp.append(x)
-	if use_prec:
-		raise Errors.WafError('Cycle detected in the use processing %r' % use_prec)
-	out.reverse()
-
-	link_task = getattr(self, 'link_task', None)
-	for x in out:
-		y = self.bld.get_tgen_by_name(x)
-		var = y.tmp_use_var
-		if var and link_task:
-			if self.env.SKIP_STLIB_LINK_DEPS and isinstance(link_task, stlink_task):
-				# If the skip_stlib_link_deps feature is enabled then we should
-				# avoid adding lib deps to the stlink_task instance.
-				pass
-			elif var == 'LIB' or y.tmp_use_stlib or x in names:
-				self.env.append_value(var, [y.target[y.target.rfind(os.sep) + 1:]])
-				self.link_task.dep_nodes.extend(y.link_task.outputs)
-				tmp_path = y.link_task.outputs[0].parent.path_from(self.get_cwd())
-				self.env.append_unique(var + 'PATH', [tmp_path])
-		else:
-			if y.tmp_use_objects:
-				self.add_objects_from_tgen(y)
-
-		if getattr(y, 'export_includes', None):
-			# self.includes may come from a global variable #2035
-			self.includes = self.includes + y.to_incnodes(y.export_includes)
-
-		if getattr(y, 'export_defines', None):
-			self.env.append_value('DEFINES', self.to_list(y.export_defines))
-
-
-	# and finally, add the use variables (no recursion needed)
-	for x in names:
-		try:
-			y = self.bld.get_tgen_by_name(x)
-		except Errors.WafError:
-			if not self.env['STLIB_' + x] and not x in self.uselib:
-				self.uselib.append(x)
-		else:
-			for k in self.to_list(getattr(y, 'use', [])):
-				if not self.env['STLIB_' + k] and not k in self.uselib:
-					self.uselib.append(k)
-
-@taskgen_method
-def accept_node_to_link(self, node):
-	"""
-	PRIVATE INTERNAL USE ONLY
-	"""
-	return not node.name.endswith('.pdb')
-
-@taskgen_method
-def add_objects_from_tgen(self, tg):
-	"""
-	Add the objects from the depending compiled tasks as link task inputs.
-
-	Some objects are filtered: for instance, .pdb files are added
-	to the compiled tasks but not to the link tasks (to avoid errors)
-	PRIVATE INTERNAL USE ONLY
-	"""
-	try:
-		link_task = self.link_task
-	except AttributeError:
-		pass
-	else:
-		for tsk in getattr(tg, 'compiled_tasks', []):
-			for x in tsk.outputs:
-				if self.accept_node_to_link(x):
-					link_task.inputs.append(x)
-
-@taskgen_method
-def get_uselib_vars(self):
-	"""
-	:return: the *uselib* variables associated to the *features* attribute (see :py:attr:`waflib.Tools.ccroot.USELIB_VARS`)
-	:rtype: list of string
-	"""
-	_vars = set()
-	for x in self.features:
-		if x in USELIB_VARS:
-			_vars |= USELIB_VARS[x]
-	return _vars
-
-@feature('c', 'cxx', 'd', 'fc', 'javac', 'cs', 'uselib', 'asm')
-@after_method('process_use')
-def propagate_uselib_vars(self):
-	"""
-	Process uselib variables for adding flags. For example, the following target::
-
-		def build(bld):
-			bld.env.AFLAGS_aaa = ['bar']
-			from waflib.Tools.ccroot import USELIB_VARS
-			USELIB_VARS['aaa'] = ['AFLAGS']
-
-			tg = bld(features='aaa', aflags='test')
-
-	The *aflags* attribute will be processed and this method will set::
-
-			tg.env.AFLAGS = ['bar', 'test']
-	"""
-	_vars = self.get_uselib_vars()
-	env = self.env
-	app = env.append_value
-	feature_uselib = self.features + self.to_list(getattr(self, 'uselib', []))
-	for var in _vars:
-		y = var.lower()
-		val = getattr(self, y, [])
-		if val:
-			app(var, self.to_list(val))
-
-		for x in feature_uselib:
-			val = env['%s_%s' % (var, x)]
-			if val:
-				app(var, val)
-
-# ============ the code above must not know anything about import libs ==========
-
-@feature('cshlib', 'cxxshlib', 'fcshlib')
-@after_method('apply_link')
-def apply_implib(self):
-	"""
-	Handle dlls and their import libs on Windows-like systems.
-
-	A ``.dll.a`` file called *import library* is generated.
-	It must be installed as it is required for linking the library.
-	"""
-	if not self.env.DEST_BINFMT == 'pe':
-		return
-
-	dll = self.link_task.outputs[0]
-	if isinstance(self.target, Node.Node):
-		name = self.target.name
-	else:
-		name = os.path.split(self.target)[1]
-	implib = self.env.implib_PATTERN % name
-	implib = dll.parent.find_or_declare(implib)
-	self.env.append_value('LINKFLAGS', self.env.IMPLIB_ST % implib.bldpath())
-	self.link_task.outputs.append(implib)
-
-	if getattr(self, 'defs', None) and self.env.DEST_BINFMT == 'pe':
-		node = self.path.find_resource(self.defs)
-		if not node:
-			raise Errors.WafError('invalid def file %r' % self.defs)
-		if self.env.def_PATTERN:
-			self.env.append_value('LINKFLAGS', self.env.def_PATTERN % node.path_from(self.get_cwd()))
-			self.link_task.dep_nodes.append(node)
-		else:
-			# gcc for windows takes *.def file as input without any special flag
-			self.link_task.inputs.append(node)
-
-	# where to put the import library
-	if getattr(self, 'install_task', None):
-		try:
-			# user has given a specific installation path for the import library
-			inst_to = self.install_path_implib
-		except AttributeError:
-			try:
-				# user has given an installation path for the main library, put the import library in it
-				inst_to = self.install_path
-			except AttributeError:
-				# else, put the library in BINDIR and the import library in LIBDIR
-				inst_to = '${IMPLIBDIR}'
-				self.install_task.install_to = '${BINDIR}'
-				if not self.env.IMPLIBDIR:
-					self.env.IMPLIBDIR = self.env.LIBDIR
-		self.implib_install_task = self.add_install_files(install_to=inst_to, install_from=implib,
-			chmod=self.link_task.chmod, task=self.link_task)
-
-# ============ the code above must not know anything about vnum processing on unix platforms =========
-
-re_vnum = re.compile('^([1-9]\\d*|0)([.]([1-9]\\d*|0)){0,2}?$')
-@feature('cshlib', 'cxxshlib', 'dshlib', 'fcshlib', 'vnum')
-@after_method('apply_link', 'propagate_uselib_vars')
-def apply_vnum(self):
-	"""
-	Enforce version numbering on shared libraries. The valid version numbers must have either zero or two dots::
-
-		def build(bld):
-			bld.shlib(source='a.c', target='foo', vnum='14.15.16')
-
-	In this example on Linux platform, ``libfoo.so`` is installed as ``libfoo.so.14.15.16``, and the following symbolic links are created:
-
-	* ``libfoo.so    → libfoo.so.14.15.16``
-	* ``libfoo.so.14 → libfoo.so.14.15.16``
-
-	By default, the library will be assigned SONAME ``libfoo.so.14``, effectively declaring ABI compatibility between all minor and patch releases for the major version of the library.  When necessary, the compatibility can be explicitly defined using `cnum` parameter:
-
-		def build(bld):
-			bld.shlib(source='a.c', target='foo', vnum='14.15.16', cnum='14.15')
-
-	In this case, the assigned SONAME will be ``libfoo.so.14.15`` with ABI compatibility only between path releases for a specific major and minor version of the library.
-
-	On OS X platform, install-name parameter will follow the above logic for SONAME with exception that it also specifies an absolute path (based on install_path) of the library.
-	"""
-	if not getattr(self, 'vnum', '') or os.name != 'posix' or self.env.DEST_BINFMT not in ('elf', 'mac-o'):
-		return
-
-	link = self.link_task
-	if not re_vnum.match(self.vnum):
-		raise Errors.WafError('Invalid vnum %r for target %r' % (self.vnum, getattr(self, 'name', self)))
-	nums = self.vnum.split('.')
-	node = link.outputs[0]
-
-	cnum = getattr(self, 'cnum', str(nums[0]))
-	cnums = cnum.split('.')
-	if len(cnums)>len(nums) or nums[0:len(cnums)] != cnums:
-		raise Errors.WafError('invalid compatibility version %s' % cnum)
-
-	libname = node.name
-	if libname.endswith('.dylib'):
-		name3 = libname.replace('.dylib', '.%s.dylib' % self.vnum)
-		name2 = libname.replace('.dylib', '.%s.dylib' % cnum)
-	else:
-		name3 = libname + '.' + self.vnum
-		name2 = libname + '.' + cnum
-
-	# add the so name for the ld linker - to disable, just unset env.SONAME_ST
-	if self.env.SONAME_ST:
-		v = self.env.SONAME_ST % name2
-		self.env.append_value('LINKFLAGS', v.split())
-
-	# the following task is just to enable execution from the build dir :-/
-	if self.env.DEST_OS != 'openbsd':
-		outs = [node.parent.make_node(name3)]
-		if name2 != name3:
-			outs.append(node.parent.make_node(name2))
-		self.create_task('vnum', node, outs)
-
-	if getattr(self, 'install_task', None):
-		self.install_task.hasrun = Task.SKIPPED
-		self.install_task.no_errcheck_out = True
-		path = self.install_task.install_to
-		if self.env.DEST_OS == 'openbsd':
-			libname = self.link_task.outputs[0].name
-			t1 = self.add_install_as(install_to='%s/%s' % (path, libname), install_from=node, chmod=self.link_task.chmod)
-			self.vnum_install_task = (t1,)
-		else:
-			t1 = self.add_install_as(install_to=path + os.sep + name3, install_from=node, chmod=self.link_task.chmod)
-			t3 = self.add_symlink_as(install_to=path + os.sep + libname, install_from=name3)
-			if name2 != name3:
-				t2 = self.add_symlink_as(install_to=path + os.sep + name2, install_from=name3)
-				self.vnum_install_task = (t1, t2, t3)
-			else:
-				self.vnum_install_task = (t1, t3)
-
-	if '-dynamiclib' in self.env.LINKFLAGS:
-		# this requires after(propagate_uselib_vars)
-		try:
-			inst_to = self.install_path
-		except AttributeError:
-			inst_to = self.link_task.inst_to
-		if inst_to:
-			p = Utils.subst_vars(inst_to, self.env)
-			path = os.path.join(p, name2)
-			self.env.append_value('LINKFLAGS', ['-install_name', path])
-			self.env.append_value('LINKFLAGS', '-Wl,-compatibility_version,%s' % cnum)
-			self.env.append_value('LINKFLAGS', '-Wl,-current_version,%s' % self.vnum)
-
-class vnum(Task.Task):
-	"""
-	Create the symbolic links for a versioned shared library. Instances are created by :py:func:`waflib.Tools.ccroot.apply_vnum`
-	"""
-	color = 'CYAN'
-	ext_in = ['.bin']
-	def keyword(self):
-		return 'Symlinking'
-	def run(self):
-		for x in self.outputs:
-			path = x.abspath()
-			try:
-				os.remove(path)
-			except OSError:
-				pass
-
-			try:
-				os.symlink(self.inputs[0].name, path)
-			except OSError:
-				return 1
-
-class fake_shlib(link_task):
-	"""
-	Task used for reading a system library and adding the dependency on it
-	"""
-	def runnable_status(self):
-		for t in self.run_after:
-			if not t.hasrun:
-				return Task.ASK_LATER
-		return Task.SKIP_ME
-
-class fake_stlib(stlink_task):
-	"""
-	Task used for reading a system library and adding the dependency on it
-	"""
-	def runnable_status(self):
-		for t in self.run_after:
-			if not t.hasrun:
-				return Task.ASK_LATER
-		return Task.SKIP_ME
-
-@conf
-def read_shlib(self, name, paths=[], export_includes=[], export_defines=[]):
-	"""
-	Read a system shared library, enabling its use as a local library. Will trigger a rebuild if the file changes::
-
-		def build(bld):
-			bld.read_shlib('m')
-			bld.program(source='main.c', use='m')
-	"""
-	return self(name=name, features='fake_lib', lib_paths=paths, lib_type='shlib', export_includes=export_includes, export_defines=export_defines)
-
-@conf
-def read_stlib(self, name, paths=[], export_includes=[], export_defines=[]):
-	"""
-	Read a system static library, enabling a use as a local library. Will trigger a rebuild if the file changes.
-	"""
-	return self(name=name, features='fake_lib', lib_paths=paths, lib_type='stlib', export_includes=export_includes, export_defines=export_defines)
-
-lib_patterns = {
-	'shlib' : ['lib%s.so', '%s.so', 'lib%s.dylib', 'lib%s.dll', '%s.dll'],
-	'stlib' : ['lib%s.a', '%s.a', 'lib%s.dll', '%s.dll', 'lib%s.lib', '%s.lib'],
-}
-
-@feature('fake_lib')
-def process_lib(self):
-	"""
-	Find the location of a foreign library. Used by :py:class:`waflib.Tools.ccroot.read_shlib` and :py:class:`waflib.Tools.ccroot.read_stlib`.
-	"""
-	node = None
-
-	names = [x % self.name for x in lib_patterns[self.lib_type]]
-	for x in self.lib_paths + [self.path] + SYSTEM_LIB_PATHS:
-		if not isinstance(x, Node.Node):
-			x = self.bld.root.find_node(x) or self.path.find_node(x)
-			if not x:
-				continue
-
-		for y in names:
-			node = x.find_node(y)
-			if node:
-				try:
-					Utils.h_file(node.abspath())
-				except EnvironmentError:
-					raise ValueError('Could not read %r' % y)
-				break
-		else:
-			continue
-		break
-	else:
-		raise Errors.WafError('could not find library %r' % self.name)
-	self.link_task = self.create_task('fake_%s' % self.lib_type, [], [node])
-	self.target = self.name
-
-
-class fake_o(Task.Task):
-	def runnable_status(self):
-		return Task.SKIP_ME
-
-@extension('.o', '.obj')
-def add_those_o_files(self, node):
-	tsk = self.create_task('fake_o', [], node)
-	try:
-		self.compiled_tasks.append(tsk)
-	except AttributeError:
-		self.compiled_tasks = [tsk]
-
-@feature('fake_obj')
-@before_method('process_source')
-def process_objs(self):
-	"""
-	Puts object files in the task generator outputs
-	"""
-	for node in self.to_nodes(self.source):
-		self.add_those_o_files(node)
-	self.source = []
-
-@conf
-def read_object(self, obj):
-	"""
-	Read an object file, enabling injection in libs/programs. Will trigger a rebuild if the file changes.
-
-	:param obj: object file path, as string or Node
-	"""
-	if not isinstance(obj, self.path.__class__):
-		obj = self.path.find_resource(obj)
-	return self(features='fake_obj', source=obj, name=obj.name)
-
-@feature('cxxprogram', 'cprogram')
-@after_method('apply_link', 'process_use')
-def set_full_paths_hpux(self):
-	"""
-	On hp-ux, extend the libpaths and static library paths to absolute paths
-	"""
-	if self.env.DEST_OS != 'hp-ux':
-		return
-	base = self.bld.bldnode.abspath()
-	for var in ['LIBPATH', 'STLIBPATH']:
-		lst = []
-		for x in self.env[var]:
-			if x.startswith('/'):
-				lst.append(x)
-			else:
-				lst.append(os.path.normpath(os.path.join(base, x)))
-		self.env[var] = lst
-
diff --git a/waflib/Tools/clang.py b/waflib/Tools/clang.py
deleted file mode 100644
index 3828e391..00000000
--- a/waflib/Tools/clang.py
+++ /dev/null
@@ -1,29 +0,0 @@
-#!/usr/bin/env python
-# encoding: utf-8
-# Krzysztof Kosiński 2014
-
-"""
-Detect the Clang C compiler
-"""
-
-from waflib.Tools import ccroot, ar, gcc
-from waflib.Configure import conf
-
-@conf
-def find_clang(conf):
-	"""
-	Finds the program clang and executes it to ensure it really is clang
-	"""
-	cc = conf.find_program('clang', var='CC')
-	conf.get_cc_version(cc, clang=True)
-	conf.env.CC_NAME = 'clang'
-
-def configure(conf):
-	conf.find_clang()
-	conf.find_program(['llvm-ar', 'ar'], var='AR')
-	conf.find_ar()
-	conf.gcc_common_flags()
-	conf.gcc_modifier_platform()
-	conf.cc_load_tools()
-	conf.cc_add_flags()
-	conf.link_add_flags()
diff --git a/waflib/Tools/clangxx.py b/waflib/Tools/clangxx.py
deleted file mode 100644
index 152013ce..00000000
--- a/waflib/Tools/clangxx.py
+++ /dev/null
@@ -1,30 +0,0 @@
-#!/usr/bin/env python
-# encoding: utf-8
-# Thomas Nagy 2009-2018 (ita)
-
-"""
-Detect the Clang++ C++ compiler
-"""
-
-from waflib.Tools import ccroot, ar, gxx
-from waflib.Configure import conf
-
-@conf
-def find_clangxx(conf):
-	"""
-	Finds the program clang++, and executes it to ensure it really is clang++
-	"""
-	cxx = conf.find_program('clang++', var='CXX')
-	conf.get_cc_version(cxx, clang=True)
-	conf.env.CXX_NAME = 'clang'
-
-def configure(conf):
-	conf.find_clangxx()
-	conf.find_program(['llvm-ar', 'ar'], var='AR')
-	conf.find_ar()
-	conf.gxx_common_flags()
-	conf.gxx_modifier_platform()
-	conf.cxx_load_tools()
-	conf.cxx_add_flags()
-	conf.link_add_flags()
-
diff --git a/waflib/Tools/compiler_c.py b/waflib/Tools/compiler_c.py
deleted file mode 100644
index 2dba3f82..00000000
--- a/waflib/Tools/compiler_c.py
+++ /dev/null
@@ -1,110 +0,0 @@
-#!/usr/bin/env python
-# encoding: utf-8
-# Matthias Jahn jahn dôt matthias ât freenet dôt de, 2007 (pmarat)
-
-"""
-Try to detect a C compiler from the list of supported compilers (gcc, msvc, etc)::
-
-	def options(opt):
-		opt.load('compiler_c')
-	def configure(cnf):
-		cnf.load('compiler_c')
-	def build(bld):
-		bld.program(source='main.c', target='app')
-
-The compilers are associated to platforms in :py:attr:`waflib.Tools.compiler_c.c_compiler`. To register
-a new C compiler named *cfoo* (assuming the tool ``waflib/extras/cfoo.py`` exists), use::
-
-	from waflib.Tools.compiler_c import c_compiler
-	c_compiler['win32'] = ['cfoo', 'msvc', 'gcc']
-
-	def options(opt):
-		opt.load('compiler_c')
-	def configure(cnf):
-		cnf.load('compiler_c')
-	def build(bld):
-		bld.program(source='main.c', target='app')
-
-Not all compilers need to have a specific tool. For example, the clang compilers can be detected by the gcc tools when using::
-
-	$ CC=clang waf configure
-"""
-
-import re
-from waflib.Tools import ccroot
-from waflib import Utils
-from waflib.Logs import debug
-
-c_compiler = {
-'win32':  ['msvc', 'gcc', 'clang'],
-'cygwin': ['gcc'],
-'darwin': ['clang', 'gcc'],
-'aix':    ['xlc', 'gcc', 'clang'],
-'linux':  ['gcc', 'clang', 'icc'],
-'sunos':  ['suncc', 'gcc'],
-'irix':   ['gcc', 'irixcc'],
-'hpux':   ['gcc'],
-'osf1V':  ['gcc'],
-'gnu':    ['gcc', 'clang'],
-'java':   ['gcc', 'msvc', 'clang', 'icc'],
-'default':['clang', 'gcc'],
-}
-"""
-Dict mapping platform names to Waf tools finding specific C compilers::
-
-	from waflib.Tools.compiler_c import c_compiler
-	c_compiler['linux'] = ['gcc', 'icc', 'suncc']
-"""
-
-def default_compilers():
-	build_platform = Utils.unversioned_sys_platform()
-	possible_compiler_list = c_compiler.get(build_platform, c_compiler['default'])
-	return ' '.join(possible_compiler_list)
-
-def configure(conf):
-	"""
-	Detects a suitable C compiler
-
-	:raises: :py:class:`waflib.Errors.ConfigurationError` when no suitable compiler is found
-	"""
-	try:
-		test_for_compiler = conf.options.check_c_compiler or default_compilers()
-	except AttributeError:
-		conf.fatal("Add options(opt): opt.load('compiler_c')")
-
-	for compiler in re.split('[ ,]+', test_for_compiler):
-		conf.env.stash()
-		conf.start_msg('Checking for %r (C compiler)' % compiler)
-		try:
-			conf.load(compiler)
-		except conf.errors.ConfigurationError as e:
-			conf.env.revert()
-			conf.end_msg(False)
-			debug('compiler_c: %r', e)
-		else:
-			if conf.env.CC:
-				conf.end_msg(conf.env.get_flat('CC'))
-				conf.env.COMPILER_CC = compiler
-				conf.env.commit()
-				break
-			conf.env.revert()
-			conf.end_msg(False)
-	else:
-		conf.fatal('could not configure a C compiler!')
-
-def options(opt):
-	"""
-	This is how to provide compiler preferences on the command-line::
-
-		$ waf configure --check-c-compiler=gcc
-	"""
-	test_for_compiler = default_compilers()
-	opt.load_special_tools('c_*.py', ban=['c_dumbpreproc.py'])
-	cc_compiler_opts = opt.add_option_group('Configuration options')
-	cc_compiler_opts.add_option('--check-c-compiler', default=None,
-		help='list of C compilers to try [%s]' % test_for_compiler,
-		dest="check_c_compiler")
-
-	for x in test_for_compiler.split():
-		opt.load('%s' % x)
-
diff --git a/waflib/Tools/compiler_cxx.py b/waflib/Tools/compiler_cxx.py
deleted file mode 100644
index 1af65a22..00000000
--- a/waflib/Tools/compiler_cxx.py
+++ /dev/null
@@ -1,111 +0,0 @@
-#!/usr/bin/env python
-# encoding: utf-8
-# Matthias Jahn jahn dôt matthias ât freenet dôt de 2007 (pmarat)
-
-"""
-Try to detect a C++ compiler from the list of supported compilers (g++, msvc, etc)::
-
-	def options(opt):
-		opt.load('compiler_cxx')
-	def configure(cnf):
-		cnf.load('compiler_cxx')
-	def build(bld):
-		bld.program(source='main.cpp', target='app')
-
-The compilers are associated to platforms in :py:attr:`waflib.Tools.compiler_cxx.cxx_compiler`. To register
-a new C++ compiler named *cfoo* (assuming the tool ``waflib/extras/cfoo.py`` exists), use::
-
-	from waflib.Tools.compiler_cxx import cxx_compiler
-	cxx_compiler['win32'] = ['cfoo', 'msvc', 'gcc']
-
-	def options(opt):
-		opt.load('compiler_cxx')
-	def configure(cnf):
-		cnf.load('compiler_cxx')
-	def build(bld):
-		bld.program(source='main.c', target='app')
-
-Not all compilers need to have a specific tool. For example, the clang compilers can be detected by the gcc tools when using::
-
-	$ CXX=clang waf configure
-"""
-
-
-import re
-from waflib.Tools import ccroot
-from waflib import Utils
-from waflib.Logs import debug
-
-cxx_compiler = {
-'win32':  ['msvc', 'g++', 'clang++'],
-'cygwin': ['g++'],
-'darwin': ['clang++', 'g++'],
-'aix':    ['xlc++', 'g++', 'clang++'],
-'linux':  ['g++', 'clang++', 'icpc'],
-'sunos':  ['sunc++', 'g++'],
-'irix':   ['g++'],
-'hpux':   ['g++'],
-'osf1V':  ['g++'],
-'gnu':    ['g++', 'clang++'],
-'java':   ['g++', 'msvc', 'clang++', 'icpc'],
-'default': ['clang++', 'g++']
-}
-"""
-Dict mapping the platform names to Waf tools finding specific C++ compilers::
-
-	from waflib.Tools.compiler_cxx import cxx_compiler
-	cxx_compiler['linux'] = ['gxx', 'icpc', 'suncxx']
-"""
-
-def default_compilers():
-	build_platform = Utils.unversioned_sys_platform()
-	possible_compiler_list = cxx_compiler.get(build_platform, cxx_compiler['default'])
-	return ' '.join(possible_compiler_list)
-
-def configure(conf):
-	"""
-	Detects a suitable C++ compiler
-
-	:raises: :py:class:`waflib.Errors.ConfigurationError` when no suitable compiler is found
-	"""
-	try:
-		test_for_compiler = conf.options.check_cxx_compiler or default_compilers()
-	except AttributeError:
-		conf.fatal("Add options(opt): opt.load('compiler_cxx')")
-
-	for compiler in re.split('[ ,]+', test_for_compiler):
-		conf.env.stash()
-		conf.start_msg('Checking for %r (C++ compiler)' % compiler)
-		try:
-			conf.load(compiler)
-		except conf.errors.ConfigurationError as e:
-			conf.env.revert()
-			conf.end_msg(False)
-			debug('compiler_cxx: %r', e)
-		else:
-			if conf.env.CXX:
-				conf.end_msg(conf.env.get_flat('CXX'))
-				conf.env.COMPILER_CXX = compiler
-				conf.env.commit()
-				break
-			conf.env.revert()
-			conf.end_msg(False)
-	else:
-		conf.fatal('could not configure a C++ compiler!')
-
-def options(opt):
-	"""
-	This is how to provide compiler preferences on the command-line::
-
-		$ waf configure --check-cxx-compiler=gxx
-	"""
-	test_for_compiler = default_compilers()
-	opt.load_special_tools('cxx_*.py')
-	cxx_compiler_opts = opt.add_option_group('Configuration options')
-	cxx_compiler_opts.add_option('--check-cxx-compiler', default=None,
-		help='list of C++ compilers to try [%s]' % test_for_compiler,
-		dest="check_cxx_compiler")
-
-	for x in test_for_compiler.split():
-		opt.load('%s' % x)
-
diff --git a/waflib/Tools/compiler_d.py b/waflib/Tools/compiler_d.py
deleted file mode 100644
index 43bb1f64..00000000
--- a/waflib/Tools/compiler_d.py
+++ /dev/null
@@ -1,85 +0,0 @@
-#!/usr/bin/env python
-# encoding: utf-8
-# Carlos Rafael Giani, 2007 (dv)
-# Thomas Nagy, 2016-2018 (ita)
-
-"""
-Try to detect a D compiler from the list of supported compilers::
-
-	def options(opt):
-		opt.load('compiler_d')
-	def configure(cnf):
-		cnf.load('compiler_d')
-	def build(bld):
-		bld.program(source='main.d', target='app')
-
-Only three D compilers are really present at the moment:
-
-* gdc
-* dmd, the ldc compiler having a very similar command-line interface
-* ldc2
-"""
-
-import re
-from waflib import Utils, Logs
-
-d_compiler = {
-'default' : ['gdc', 'dmd', 'ldc2']
-}
-"""
-Dict mapping the platform names to lists of names of D compilers to try, in order of preference::
-
-	from waflib.Tools.compiler_d import d_compiler
-	d_compiler['default'] = ['gdc', 'dmd', 'ldc2']
-"""
-
-def default_compilers():
-	build_platform = Utils.unversioned_sys_platform()
-	possible_compiler_list = d_compiler.get(build_platform, d_compiler['default'])
-	return ' '.join(possible_compiler_list)
-
-def configure(conf):
-	"""
-	Detects a suitable D compiler
-
-	:raises: :py:class:`waflib.Errors.ConfigurationError` when no suitable compiler is found
-	"""
-	try:
-		test_for_compiler = conf.options.check_d_compiler or default_compilers()
-	except AttributeError:
-		conf.fatal("Add options(opt): opt.load('compiler_d')")
-
-	for compiler in re.split('[ ,]+', test_for_compiler):
-		conf.env.stash()
-		conf.start_msg('Checking for %r (D compiler)' % compiler)
-		try:
-			conf.load(compiler)
-		except conf.errors.ConfigurationError as e:
-			conf.env.revert()
-			conf.end_msg(False)
-			Logs.debug('compiler_d: %r', e)
-		else:
-			if conf.env.D:
-				conf.end_msg(conf.env.get_flat('D'))
-				conf.env.COMPILER_D = compiler
-				conf.env.commit()
-				break
-			conf.env.revert()
-			conf.end_msg(False)
-	else:
-		conf.fatal('could not configure a D compiler!')
-
-def options(opt):
-	"""
-	This is how to provide compiler preferences on the command-line::
-
-		$ waf configure --check-d-compiler=dmd
-	"""
-	test_for_compiler = default_compilers()
-	d_compiler_opts = opt.add_option_group('Configuration options')
-	d_compiler_opts.add_option('--check-d-compiler', default=None,
-		help='list of D compilers to try [%s]' % test_for_compiler, dest='check_d_compiler')
-
-	for x in test_for_compiler.split():
-		opt.load('%s' % x)
-
diff --git a/waflib/Tools/compiler_fc.py b/waflib/Tools/compiler_fc.py
deleted file mode 100644
index 96b58e70..00000000
--- a/waflib/Tools/compiler_fc.py
+++ /dev/null
@@ -1,73 +0,0 @@
-#!/usr/bin/env python
-# encoding: utf-8
-
-import re
-from waflib import Utils, Logs
-from waflib.Tools import fc
-
-fc_compiler = {
-	'win32'  : ['gfortran','ifort'],
-	'darwin' : ['gfortran', 'g95', 'ifort'],
-	'linux'  : ['gfortran', 'g95', 'ifort'],
-	'java'   : ['gfortran', 'g95', 'ifort'],
-	'default': ['gfortran'],
-	'aix'    : ['gfortran']
-}
-"""
-Dict mapping the platform names to lists of names of Fortran compilers to try, in order of preference::
-
-	from waflib.Tools.compiler_c import c_compiler
-	c_compiler['linux'] = ['gfortran', 'g95', 'ifort']
-"""
-
-def default_compilers():
-	build_platform = Utils.unversioned_sys_platform()
-	possible_compiler_list = fc_compiler.get(build_platform, fc_compiler['default'])
-	return ' '.join(possible_compiler_list)
-
-def configure(conf):
-	"""
-	Detects a suitable Fortran compiler
-
-	:raises: :py:class:`waflib.Errors.ConfigurationError` when no suitable compiler is found
-	"""
-	try:
-		test_for_compiler = conf.options.check_fortran_compiler or default_compilers()
-	except AttributeError:
-		conf.fatal("Add options(opt): opt.load('compiler_fc')")
-	for compiler in re.split('[ ,]+', test_for_compiler):
-		conf.env.stash()
-		conf.start_msg('Checking for %r (Fortran compiler)' % compiler)
-		try:
-			conf.load(compiler)
-		except conf.errors.ConfigurationError as e:
-			conf.env.revert()
-			conf.end_msg(False)
-			Logs.debug('compiler_fortran: %r', e)
-		else:
-			if conf.env.FC:
-				conf.end_msg(conf.env.get_flat('FC'))
-				conf.env.COMPILER_FORTRAN = compiler
-				conf.env.commit()
-				break
-			conf.env.revert()
-			conf.end_msg(False)
-	else:
-		conf.fatal('could not configure a Fortran compiler!')
-
-def options(opt):
-	"""
-	This is how to provide compiler preferences on the command-line::
-
-		$ waf configure --check-fortran-compiler=ifort
-	"""
-	test_for_compiler = default_compilers()
-	opt.load_special_tools('fc_*.py')
-	fortran_compiler_opts = opt.add_option_group('Configuration options')
-	fortran_compiler_opts.add_option('--check-fortran-compiler', default=None,
-			help='list of Fortran compiler to try [%s]' % test_for_compiler,
-		dest="check_fortran_compiler")
-
-	for x in test_for_compiler.split():
-		opt.load('%s' % x)
-
diff --git a/waflib/Tools/cs.py b/waflib/Tools/cs.py
deleted file mode 100644
index aecca6da..00000000
--- a/waflib/Tools/cs.py
+++ /dev/null
@@ -1,211 +0,0 @@
-#!/usr/bin/env python
-# encoding: utf-8
-# Thomas Nagy, 2006-2018 (ita)
-
-"""
-C# support. A simple example::
-
-	def configure(conf):
-		conf.load('cs')
-	def build(bld):
-		bld(features='cs', source='main.cs', gen='foo')
-
-Note that the configuration may compile C# snippets::
-
-	FRAG = '''
-	namespace Moo {
-		public class Test { public static int Main(string[] args) { return 0; } }
-	}'''
-	def configure(conf):
-		conf.check(features='cs', fragment=FRAG, compile_filename='test.cs', gen='test.exe',
-			bintype='exe', csflags=['-pkg:gtk-sharp-2.0'], msg='Checking for Gtksharp support')
-"""
-
-from waflib import Utils, Task, Options, Errors
-from waflib.TaskGen import before_method, after_method, feature
-from waflib.Tools import ccroot
-from waflib.Configure import conf
-
-ccroot.USELIB_VARS['cs'] = set(['CSFLAGS', 'ASSEMBLIES', 'RESOURCES'])
-ccroot.lib_patterns['csshlib'] = ['%s']
-
-@feature('cs')
-@before_method('process_source')
-def apply_cs(self):
-	"""
-	Create a C# task bound to the attribute *cs_task*. There can be only one C# task by task generator.
-	"""
-	cs_nodes = []
-	no_nodes = []
-	for x in self.to_nodes(self.source):
-		if x.name.endswith('.cs'):
-			cs_nodes.append(x)
-		else:
-			no_nodes.append(x)
-	self.source = no_nodes
-
-	bintype = getattr(self, 'bintype', self.gen.endswith('.dll') and 'library' or 'exe')
-	self.cs_task = tsk = self.create_task('mcs', cs_nodes, self.path.find_or_declare(self.gen))
-	tsk.env.CSTYPE = '/target:%s' % bintype
-	tsk.env.OUT = '/out:%s' % tsk.outputs[0].abspath()
-	self.env.append_value('CSFLAGS', '/platform:%s' % getattr(self, 'platform', 'anycpu'))
-
-	inst_to = getattr(self, 'install_path', bintype=='exe' and '${BINDIR}' or '${LIBDIR}')
-	if inst_to:
-		# note: we are making a copy, so the files added to cs_task.outputs won't be installed automatically
-		mod = getattr(self, 'chmod', bintype=='exe' and Utils.O755 or Utils.O644)
-		self.install_task = self.add_install_files(install_to=inst_to, install_from=self.cs_task.outputs[:], chmod=mod)
-
-@feature('cs')
-@after_method('apply_cs')
-def use_cs(self):
-	"""
-	C# applications honor the **use** keyword::
-
-		def build(bld):
-			bld(features='cs', source='My.cs', bintype='library', gen='my.dll', name='mylib')
-			bld(features='cs', source='Hi.cs', includes='.', bintype='exe', gen='hi.exe', use='mylib', name='hi')
-	"""
-	names = self.to_list(getattr(self, 'use', []))
-	get = self.bld.get_tgen_by_name
-	for x in names:
-		try:
-			y = get(x)
-		except Errors.WafError:
-			self.env.append_value('CSFLAGS', '/reference:%s' % x)
-			continue
-		y.post()
-
-		tsk = getattr(y, 'cs_task', None) or getattr(y, 'link_task', None)
-		if not tsk:
-			self.bld.fatal('cs task has no link task for use %r' % self)
-		self.cs_task.dep_nodes.extend(tsk.outputs) # dependency
-		self.cs_task.set_run_after(tsk) # order (redundant, the order is inferred from the nodes inputs/outputs)
-		self.env.append_value('CSFLAGS', '/reference:%s' % tsk.outputs[0].abspath())
-
-@feature('cs')
-@after_method('apply_cs', 'use_cs')
-def debug_cs(self):
-	"""
-	The C# targets may create .mdb or .pdb files::
-
-		def build(bld):
-			bld(features='cs', source='My.cs', bintype='library', gen='my.dll', csdebug='full')
-			# csdebug is a value in (True, 'full', 'pdbonly')
-	"""
-	csdebug = getattr(self, 'csdebug', self.env.CSDEBUG)
-	if not csdebug:
-		return
-
-	node = self.cs_task.outputs[0]
-	if self.env.CS_NAME == 'mono':
-		out = node.parent.find_or_declare(node.name + '.mdb')
-	else:
-		out = node.change_ext('.pdb')
-	self.cs_task.outputs.append(out)
-
-	if getattr(self, 'install_task', None):
-		self.pdb_install_task = self.add_install_files(
-			install_to=self.install_task.install_to, install_from=out)
-
-	if csdebug == 'pdbonly':
-		val = ['/debug+', '/debug:pdbonly']
-	elif csdebug == 'full':
-		val = ['/debug+', '/debug:full']
-	else:
-		val = ['/debug-']
-	self.env.append_value('CSFLAGS', val)
-
-@feature('cs')
-@after_method('debug_cs')
-def doc_cs(self):
-	"""
-	The C# targets may create .xml documentation files::
-
-		def build(bld):
-			bld(features='cs', source='My.cs', bintype='library', gen='my.dll', csdoc=True)
-			# csdoc is a boolean value
-	"""
-	csdoc = getattr(self, 'csdoc', self.env.CSDOC)
-	if not csdoc:
-		return
-
-	node = self.cs_task.outputs[0]
-	out = node.change_ext('.xml')
-	self.cs_task.outputs.append(out)
-
-	if getattr(self, 'install_task', None):
-		self.doc_install_task = self.add_install_files(
-			install_to=self.install_task.install_to, install_from=out)
-
-	self.env.append_value('CSFLAGS', '/doc:%s' % out.abspath())
-
-class mcs(Task.Task):
-	"""
-	Compile C# files
-	"""
-	color   = 'YELLOW'
-	run_str = '${MCS} ${CSTYPE} ${CSFLAGS} ${ASS_ST:ASSEMBLIES} ${RES_ST:RESOURCES} ${OUT} ${SRC}'
-
-	def split_argfile(self, cmd):
-		inline = [cmd[0]]
-		infile = []
-		for x in cmd[1:]:
-			# csc doesn't want /noconfig in @file
-			if x.lower() == '/noconfig':
-				inline.append(x)
-			else:
-				infile.append(self.quote_flag(x))
-		return (inline, infile)
-
-def configure(conf):
-	"""
-	Find a C# compiler, set the variable MCS for the compiler and CS_NAME (mono or csc)
-	"""
-	csc = getattr(Options.options, 'cscbinary', None)
-	if csc:
-		conf.env.MCS = csc
-	conf.find_program(['csc', 'mcs', 'gmcs'], var='MCS')
-	conf.env.ASS_ST = '/r:%s'
-	conf.env.RES_ST = '/resource:%s'
-
-	conf.env.CS_NAME = 'csc'
-	if str(conf.env.MCS).lower().find('mcs') > -1:
-		conf.env.CS_NAME = 'mono'
-
-def options(opt):
-	"""
-	Add a command-line option for the configuration::
-
-		$ waf configure --with-csc-binary=/foo/bar/mcs
-	"""
-	opt.add_option('--with-csc-binary', type='string', dest='cscbinary')
-
-class fake_csshlib(Task.Task):
-	"""
-	Task used for reading a foreign .net assembly and adding the dependency on it
-	"""
-	color   = 'YELLOW'
-	inst_to = None
-
-	def runnable_status(self):
-		return Task.SKIP_ME
-
-@conf
-def read_csshlib(self, name, paths=[]):
-	"""
-	Read a foreign .net assembly for the *use* system::
-
-		def build(bld):
-			bld.read_csshlib('ManagedLibrary.dll', paths=[bld.env.mylibrarypath])
-			bld(features='cs', source='Hi.cs', bintype='exe', gen='hi.exe', use='ManagedLibrary.dll')
-
-	:param name: Name of the library
-	:type name: string
-	:param paths: Folders in which the library may be found
-	:type paths: list of string
-	:return: A task generator having the feature *fake_lib* which will call :py:func:`waflib.Tools.ccroot.process_lib`
-	:rtype: :py:class:`waflib.TaskGen.task_gen`
-	"""
-	return self(name=name, features='fake_lib', lib_paths=paths, lib_type='csshlib')
-
diff --git a/waflib/Tools/cxx.py b/waflib/Tools/cxx.py
deleted file mode 100644
index 194fad74..00000000
--- a/waflib/Tools/cxx.py
+++ /dev/null
@@ -1,40 +0,0 @@
-#!/usr/bin/env python
-# encoding: utf-8
-# Thomas Nagy, 2005-2018 (ita)
-
-"Base for c++ programs and libraries"
-
-from waflib import TaskGen, Task
-from waflib.Tools import c_preproc
-from waflib.Tools.ccroot import link_task, stlink_task
-
-@TaskGen.extension('.cpp','.cc','.cxx','.C','.c++')
-def cxx_hook(self, node):
-	"Binds c++ file extensions to create :py:class:`waflib.Tools.cxx.cxx` instances"
-	return self.create_compiled_task('cxx', node)
-
-if not '.c' in TaskGen.task_gen.mappings:
-	TaskGen.task_gen.mappings['.c'] = TaskGen.task_gen.mappings['.cpp']
-
-class cxx(Task.Task):
-	"Compiles C++ files into object files"
-	run_str = '${CXX} ${ARCH_ST:ARCH} ${CXXFLAGS} ${FRAMEWORKPATH_ST:FRAMEWORKPATH} ${CPPPATH_ST:INCPATHS} ${DEFINES_ST:DEFINES} ${CXX_SRC_F}${SRC} ${CXX_TGT_F}${TGT[0].abspath()} ${CPPFLAGS}'
-	vars    = ['CXXDEPS'] # unused variable to depend on, just in case
-	ext_in  = ['.h'] # set the build order easily by using ext_out=['.h']
-	scan    = c_preproc.scan
-
-class cxxprogram(link_task):
-	"Links object files into c++ programs"
-	run_str = '${LINK_CXX} ${LINKFLAGS} ${CXXLNK_SRC_F}${SRC} ${CXXLNK_TGT_F}${TGT[0].abspath()} ${RPATH_ST:RPATH} ${FRAMEWORKPATH_ST:FRAMEWORKPATH} ${FRAMEWORK_ST:FRAMEWORK} ${ARCH_ST:ARCH} ${STLIB_MARKER} ${STLIBPATH_ST:STLIBPATH} ${STLIB_ST:STLIB} ${SHLIB_MARKER} ${LIBPATH_ST:LIBPATH} ${LIB_ST:LIB} ${LDFLAGS}'
-	vars    = ['LINKDEPS']
-	ext_out = ['.bin']
-	inst_to = '${BINDIR}'
-
-class cxxshlib(cxxprogram):
-	"Links object files into c++ shared libraries"
-	inst_to = '${LIBDIR}'
-
-class cxxstlib(stlink_task):
-	"Links object files into c++ static libraries"
-	pass # do not remove
-
diff --git a/waflib/Tools/d.py b/waflib/Tools/d.py
deleted file mode 100644
index e4cf73bb..00000000
--- a/waflib/Tools/d.py
+++ /dev/null
@@ -1,97 +0,0 @@
-#!/usr/bin/env python
-# encoding: utf-8
-# Carlos Rafael Giani, 2007 (dv)
-# Thomas Nagy, 2007-2018 (ita)
-
-from waflib import Utils, Task, Errors
-from waflib.TaskGen import taskgen_method, feature, extension
-from waflib.Tools import d_scan, d_config
-from waflib.Tools.ccroot import link_task, stlink_task
-
-class d(Task.Task):
-	"Compile a d file into an object file"
-	color   = 'GREEN'
-	run_str = '${D} ${DFLAGS} ${DINC_ST:INCPATHS} ${D_SRC_F:SRC} ${D_TGT_F:TGT}'
-	scan    = d_scan.scan
-
-class d_with_header(d):
-	"Compile a d file and generate a header"
-	run_str = '${D} ${DFLAGS} ${DINC_ST:INCPATHS} ${D_HDR_F:tgt.outputs[1].bldpath()} ${D_SRC_F:SRC} ${D_TGT_F:tgt.outputs[0].bldpath()}'
-
-class d_header(Task.Task):
-	"Compile d headers"
-	color   = 'BLUE'
-	run_str = '${D} ${D_HEADER} ${SRC}'
-
-class dprogram(link_task):
-	"Link object files into a d program"
-	run_str = '${D_LINKER} ${LINKFLAGS} ${DLNK_SRC_F}${SRC} ${DLNK_TGT_F:TGT} ${RPATH_ST:RPATH} ${DSTLIB_MARKER} ${DSTLIBPATH_ST:STLIBPATH} ${DSTLIB_ST:STLIB} ${DSHLIB_MARKER} ${DLIBPATH_ST:LIBPATH} ${DSHLIB_ST:LIB}'
-	inst_to = '${BINDIR}'
-
-class dshlib(dprogram):
-	"Link object files into a d shared library"
-	inst_to = '${LIBDIR}'
-
-class dstlib(stlink_task):
-	"Link object files into a d static library"
-	pass # do not remove
-
-@extension('.d', '.di', '.D')
-def d_hook(self, node):
-	"""
-	Compile *D* files. To get .di files as well as .o files, set the following::
-
-		def build(bld):
-			bld.program(source='foo.d', target='app', generate_headers=True)
-
-	"""
-	ext = Utils.destos_to_binfmt(self.env.DEST_OS) == 'pe' and 'obj' or 'o'
-	out = '%s.%d.%s' % (node.name, self.idx, ext)
-	def create_compiled_task(self, name, node):
-		task = self.create_task(name, node, node.parent.find_or_declare(out))
-		try:
-			self.compiled_tasks.append(task)
-		except AttributeError:
-			self.compiled_tasks = [task]
-		return task
-
-	if getattr(self, 'generate_headers', None):
-		tsk = create_compiled_task(self, 'd_with_header', node)
-		tsk.outputs.append(node.change_ext(self.env.DHEADER_ext))
-	else:
-		tsk = create_compiled_task(self, 'd', node)
-	return tsk
-
-@taskgen_method
-def generate_header(self, filename):
-	"""
-	See feature request #104::
-
-		def build(bld):
-			tg = bld.program(source='foo.d', target='app')
-			tg.generate_header('blah.d')
-			# is equivalent to:
-			#tg = bld.program(source='foo.d', target='app', header_lst='blah.d')
-
-	:param filename: header to create
-	:type filename: string
-	"""
-	try:
-		self.header_lst.append([filename, self.install_path])
-	except AttributeError:
-		self.header_lst = [[filename, self.install_path]]
-
-@feature('d')
-def process_header(self):
-	"""
-	Process the attribute 'header_lst' to create the d header compilation tasks::
-
-		def build(bld):
-			bld.program(source='foo.d', target='app', header_lst='blah.d')
-	"""
-	for i in getattr(self, 'header_lst', []):
-		node = self.path.find_resource(i[0])
-		if not node:
-			raise Errors.WafError('file %r not found on d obj' % i[0])
-		self.create_task('d_header', node, node.change_ext('.di'))
-
diff --git a/waflib/Tools/d_config.py b/waflib/Tools/d_config.py
deleted file mode 100644
index 66375565..00000000
--- a/waflib/Tools/d_config.py
+++ /dev/null
@@ -1,64 +0,0 @@
-#!/usr/bin/env python
-# encoding: utf-8
-# Thomas Nagy, 2016-2018 (ita)
-
-from waflib import Utils
-from waflib.Configure import conf
-
-@conf
-def d_platform_flags(self):
-	"""
-	Sets the extensions dll/so for d programs and libraries
-	"""
-	v = self.env
-	if not v.DEST_OS:
-		v.DEST_OS = Utils.unversioned_sys_platform()
-	binfmt = Utils.destos_to_binfmt(self.env.DEST_OS)
-	if binfmt == 'pe':
-		v.dprogram_PATTERN = '%s.exe'
-		v.dshlib_PATTERN   = 'lib%s.dll'
-		v.dstlib_PATTERN   = 'lib%s.a'
-	elif binfmt == 'mac-o':
-		v.dprogram_PATTERN = '%s'
-		v.dshlib_PATTERN   = 'lib%s.dylib'
-		v.dstlib_PATTERN   = 'lib%s.a'
-	else:
-		v.dprogram_PATTERN = '%s'
-		v.dshlib_PATTERN   = 'lib%s.so'
-		v.dstlib_PATTERN   = 'lib%s.a'
-
-DLIB = '''
-version(D_Version2) {
-	import std.stdio;
-	int main() {
-		writefln("phobos2");
-		return 0;
-	}
-} else {
-	version(Tango) {
-		import tango.stdc.stdio;
-		int main() {
-			printf("tango");
-			return 0;
-		}
-	} else {
-		import std.stdio;
-		int main() {
-			writefln("phobos1");
-			return 0;
-		}
-	}
-}
-'''
-"""Detection string for the D standard library"""
-
-@conf
-def check_dlibrary(self, execute=True):
-	"""
-	Detects the kind of standard library that comes with the compiler,
-	and sets conf.env.DLIBRARY to tango, phobos1 or phobos2
-	"""
-	ret = self.check_cc(features='d dprogram', fragment=DLIB, compile_filename='test.d', execute=execute, define_ret=True)
-	if execute:
-		self.env.DLIBRARY = ret.strip()
-
diff --git a/waflib/Tools/d_scan.py b/waflib/Tools/d_scan.py
deleted file mode 100644
index 4e807a6b..00000000
--- a/waflib/Tools/d_scan.py
+++ /dev/null
@@ -1,211 +0,0 @@
-#!/usr/bin/env python
-# encoding: utf-8
-# Thomas Nagy, 2016-2018 (ita)
-
-"""
-Provide a scanner for finding dependencies on d files
-"""
-
-import re
-from waflib import Utils
-
-def filter_comments(filename):
-	"""
-	:param filename: d file name
-	:type filename: string
-	:rtype: list
-	:return: a list of characters
-	"""
-	txt = Utils.readf(filename)
-	i = 0
-	buf = []
-	max = len(txt)
-	begin = 0
-	while i < max:
-		c = txt[i]
-		if c == '"' or c == "'":  # skip a string or character literal
-			buf.append(txt[begin:i])
-			delim = c
-			i += 1
-			while i < max:
-				c = txt[i]
-				if c == delim:
-					break
-				elif c == '\\':  # skip the character following backslash
-					i += 1
-				i += 1
-			i += 1
-			begin = i
-		elif c == '/':  # try to replace a comment with whitespace
-			buf.append(txt[begin:i])
-			i += 1
-			if i == max:
-				break
-			c = txt[i]
-			if c == '+':  # eat nesting /+ +/ comment
-				i += 1
-				nesting = 1
-				c = None
-				while i < max:
-					prev = c
-					c = txt[i]
-					if prev == '/' and c == '+':
-						nesting += 1
-						c = None
-					elif prev == '+' and c == '/':
-						nesting -= 1
-						if nesting == 0:
-							break
-						c = None
-					i += 1
-			elif c == '*':  # eat /* */ comment
-				i += 1
-				c = None
-				while i < max:
-					prev = c
-					c = txt[i]
-					if prev == '*' and c == '/':
-						break
-					i += 1
-			elif c == '/':  # eat // comment
-				i += 1
-				while i < max and txt[i] != '\n':
-					i += 1
-			else:  # no comment
-				begin = i - 1
-				continue
-			i += 1
-			begin = i
-			buf.append(' ')
-		else:
-			i += 1
-	buf.append(txt[begin:])
-	return buf
-
-class d_parser(object):
-	"""
-	Parser for d files
-	"""
-	def __init__(self, env, incpaths):
-		#self.code = ''
-		#self.module = ''
-		#self.imports = []
-
-		self.allnames = []
-
-		self.re_module = re.compile(r"module\s+([^;]+)")
-		self.re_import = re.compile(r"import\s+([^;]+)")
-		self.re_import_bindings = re.compile("([^:]+):(.*)")
-		self.re_import_alias = re.compile("[^=]+=(.+)")
-
-		self.env = env
-
-		self.nodes = []
-		self.names = []
-
-		self.incpaths = incpaths
-
-	def tryfind(self, filename):
-		"""
-		Search file a file matching an module/import directive
-
-		:param filename: file to read
-		:type filename: string
-		"""
-		found = 0
-		for n in self.incpaths:
-			found = n.find_resource(filename.replace('.', '/') + '.d')
-			if found:
-				self.nodes.append(found)
-				self.waiting.append(found)
-				break
-		if not found:
-			if not filename in self.names:
-				self.names.append(filename)
-
-	def get_strings(self, code):
-		"""
-		:param code: d code to parse
-		:type code: string
-		:return: the modules that the code uses
-		:rtype: a list of match objects
-		"""
-		#self.imports = []
-		self.module = ''
-		lst = []
-
-		# get the module name (if present)
-
-		mod_name = self.re_module.search(code)
-		if mod_name:
-			self.module = re.sub(r'\s+', '', mod_name.group(1)) # strip all whitespaces
-
-		# go through the code, have a look at all import occurrences
-
-		# first, lets look at anything beginning with "import" and ending with ";"
-		import_iterator = self.re_import.finditer(code)
-		if import_iterator:
-			for import_match in import_iterator:
-				import_match_str = re.sub(r'\s+', '', import_match.group(1)) # strip all whitespaces
-
-				# does this end with an import bindings declaration?
-				# (import bindings always terminate the list of imports)
-				bindings_match = self.re_import_bindings.match(import_match_str)
-				if bindings_match:
-					import_match_str = bindings_match.group(1)
-					# if so, extract the part before the ":" (since the module declaration(s) is/are located there)
-
-				# split the matching string into a bunch of strings, separated by a comma
-				matches = import_match_str.split(',')
-
-				for match in matches:
-					alias_match = self.re_import_alias.match(match)
-					if alias_match:
-						# is this an alias declaration? (alias = module name) if so, extract the module name
-						match = alias_match.group(1)
-
-					lst.append(match)
-		return lst
-
-	def start(self, node):
-		"""
-		The parsing starts here
-
-		:param node: input file
-		:type node: :py:class:`waflib.Node.Node`
-		"""
-		self.waiting = [node]
-		# while the stack is not empty, add the dependencies
-		while self.waiting:
-			nd = self.waiting.pop(0)
-			self.iter(nd)
-
-	def iter(self, node):
-		"""
-		Find all the modules that a file depends on, uses :py:meth:`waflib.Tools.d_scan.d_parser.tryfind` to process dependent files
-
-		:param node: input file
-		:type node: :py:class:`waflib.Node.Node`
-		"""
-		path = node.abspath() # obtain the absolute path
-		code = "".join(filter_comments(path)) # read the file and filter the comments
-		names = self.get_strings(code) # obtain the import strings
-		for x in names:
-			# optimization
-			if x in self.allnames:
-				continue
-			self.allnames.append(x)
-
-			# for each name, see if it is like a node or not
-			self.tryfind(x)
-
-def scan(self):
-	"look for .d/.di used by a d file"
-	env = self.env
-	gruik = d_parser(env, self.generator.includes_nodes)
-	node = self.inputs[0]
-	gruik.start(node)
-	nodes = gruik.nodes
-	names = gruik.names
-	return (nodes, names)
-
diff --git a/waflib/Tools/dbus.py b/waflib/Tools/dbus.py
deleted file mode 100644
index d520f1c0..00000000
--- a/waflib/Tools/dbus.py
+++ /dev/null
@@ -1,70 +0,0 @@
-#!/usr/bin/env python
-# encoding: utf-8
-# Ali Sabil, 2007
-
-"""
-Compiles dbus files with **dbus-binding-tool**
-
-Typical usage::
-
-	def options(opt):
-		opt.load('compiler_c dbus')
-	def configure(conf):
-		conf.load('compiler_c dbus')
-	def build(bld):
-		tg = bld.program(
-			includes = '.',
-			source = bld.path.ant_glob('*.c'),
-			target = 'gnome-hello')
-		tg.add_dbus_file('test.xml', 'test_prefix', 'glib-server')
-"""
-
-from waflib import Task, Errors
-from waflib.TaskGen import taskgen_method, before_method
-
-@taskgen_method
-def add_dbus_file(self, filename, prefix, mode):
-	"""
-	Adds a dbus file to the list of dbus files to process. Store them in the attribute *dbus_lst*.
-
-	:param filename: xml file to compile
-	:type filename: string
-	:param prefix: dbus binding tool prefix (--prefix=prefix)
-	:type prefix: string
-	:param mode: dbus binding tool mode (--mode=mode)
-	:type mode: string
-	"""
-	if not hasattr(self, 'dbus_lst'):
-		self.dbus_lst = []
-	if not 'process_dbus' in self.meths:
-		self.meths.append('process_dbus')
-	self.dbus_lst.append([filename, prefix, mode])
-
-@before_method('process_source')
-def process_dbus(self):
-	"""
-	Processes the dbus files stored in the attribute *dbus_lst* to create :py:class:`waflib.Tools.dbus.dbus_binding_tool` instances.
-	"""
-	for filename, prefix, mode in getattr(self, 'dbus_lst', []):
-		node = self.path.find_resource(filename)
-		if not node:
-			raise Errors.WafError('file not found ' + filename)
-		tsk = self.create_task('dbus_binding_tool', node, node.change_ext('.h'))
-		tsk.env.DBUS_BINDING_TOOL_PREFIX = prefix
-		tsk.env.DBUS_BINDING_TOOL_MODE   = mode
-
-class dbus_binding_tool(Task.Task):
-	"""
-	Compiles a dbus file
-	"""
-	color   = 'BLUE'
-	ext_out = ['.h']
-	run_str = '${DBUS_BINDING_TOOL} --prefix=${DBUS_BINDING_TOOL_PREFIX} --mode=${DBUS_BINDING_TOOL_MODE} --output=${TGT} ${SRC}'
-	shell   = True # temporary workaround for #795
-
-def configure(conf):
-	"""
-	Detects the program dbus-binding-tool and sets ``conf.env.DBUS_BINDING_TOOL``
-	"""
-	conf.find_program('dbus-binding-tool', var='DBUS_BINDING_TOOL')
-
diff --git a/waflib/Tools/dmd.py b/waflib/Tools/dmd.py
deleted file mode 100644
index 8917ca1b..00000000
--- a/waflib/Tools/dmd.py
+++ /dev/null
@@ -1,80 +0,0 @@
-#!/usr/bin/env python
-# encoding: utf-8
-# Carlos Rafael Giani, 2007 (dv)
-# Thomas Nagy, 2008-2018 (ita)
-
-import sys
-from waflib.Tools import ar, d
-from waflib.Configure import conf
-
-@conf
-def find_dmd(conf):
-	"""
-	Finds the program *dmd*, *dmd2*, or *ldc* and set the variable *D*
-	"""
-	conf.find_program(['dmd', 'dmd2', 'ldc'], var='D')
-
-	# make sure that we're dealing with dmd1, dmd2, or ldc(1)
-	out = conf.cmd_and_log(conf.env.D + ['--help'])
-	if out.find("D Compiler v") == -1:
-		out = conf.cmd_and_log(conf.env.D + ['-version'])
-		if out.find("based on DMD v1.") == -1:
-			conf.fatal("detected compiler is not dmd/ldc")
-
-@conf
-def common_flags_ldc(conf):
-	"""
-	Sets the D flags required by *ldc*
-	"""
-	v = conf.env
-	v.DFLAGS        = ['-d-version=Posix']
-	v.LINKFLAGS     = []
-	v.DFLAGS_dshlib = ['-relocation-model=pic']
-
-@conf
-def common_flags_dmd(conf):
-	"""
-	Set the flags required by *dmd* or *dmd2*
-	"""
-	v = conf.env
-
-	v.D_SRC_F           = ['-c']
-	v.D_TGT_F           = '-of%s'
-
-	v.D_LINKER          = v.D
-	v.DLNK_SRC_F        = ''
-	v.DLNK_TGT_F        = '-of%s'
-	v.DINC_ST           = '-I%s'
-
-	v.DSHLIB_MARKER = v.DSTLIB_MARKER = ''
-	v.DSTLIB_ST = v.DSHLIB_ST         = '-L-l%s'
-	v.DSTLIBPATH_ST = v.DLIBPATH_ST   = '-L-L%s'
-
-	v.LINKFLAGS_dprogram= ['-quiet']
-
-	v.DFLAGS_dshlib     = ['-fPIC']
-	v.LINKFLAGS_dshlib  = ['-L-shared']
-
-	v.DHEADER_ext       = '.di'
-	v.DFLAGS_d_with_header = ['-H', '-Hf']
-	v.D_HDR_F           = '%s'
-
-def configure(conf):
-	"""
-	Configuration for *dmd*, *dmd2*, and *ldc*
-	"""
-	conf.find_dmd()
-
-	if sys.platform == 'win32':
-		out = conf.cmd_and_log(conf.env.D + ['--help'])
-		if out.find('D Compiler v2.') > -1:
-			conf.fatal('dmd2 on Windows is not supported, use gdc or ldc2 instead')
-
-	conf.load('ar')
-	conf.load('d')
-	conf.common_flags_dmd()
-	conf.d_platform_flags()
-
-	if str(conf.env.D).find('ldc') > -1:
-		conf.common_flags_ldc()
-
diff --git a/waflib/Tools/errcheck.py b/waflib/Tools/errcheck.py
deleted file mode 100644
index de8d75a4..00000000
--- a/waflib/Tools/errcheck.py
+++ /dev/null
@@ -1,237 +0,0 @@
-#! /usr/bin/env python
-# encoding: utf-8
-# Thomas Nagy, 2011 (ita)
-
-"""
-Common mistakes highlighting.
-
-There is a performance impact, so this tool is only loaded when running ``waf -v``
-"""
-
-typos = {
-'feature':'features',
-'sources':'source',
-'targets':'target',
-'include':'includes',
-'export_include':'export_includes',
-'define':'defines',
-'importpath':'includes',
-'installpath':'install_path',
-'iscopy':'is_copy',
-'uses':'use',
-}
-
-meths_typos = ['__call__', 'program', 'shlib', 'stlib', 'objects']
-
-import sys
-from waflib import Logs, Build, Node, Task, TaskGen, ConfigSet, Errors, Utils
-from waflib.Tools import ccroot
-
-def check_same_targets(self):
-	mp = Utils.defaultdict(list)
-	uids = {}
-
-	def check_task(tsk):
-		if not isinstance(tsk, Task.Task):
-			return
-		if hasattr(tsk, 'no_errcheck_out'):
-			return
-
-		for node in tsk.outputs:
-			mp[node].append(tsk)
-		try:
-			uids[tsk.uid()].append(tsk)
-		except KeyError:
-			uids[tsk.uid()] = [tsk]
-
-	for g in self.groups:
-		for tg in g:
-			try:
-				for tsk in tg.tasks:
-					check_task(tsk)
-			except AttributeError:
-				# raised if not a task generator, which should be uncommon
-				check_task(tg)
-
-	dupe = False
-	for (k, v) in mp.items():
-		if len(v) > 1:
-			dupe = True
-			msg = '* Node %r is created more than once%s. The task generators are:' % (k, Logs.verbose == 1 and " (full message on 'waf -v -v')" or "")
-			Logs.error(msg)
-			for x in v:
-				if Logs.verbose > 1:
-					Logs.error('  %d. %r', 1 + v.index(x), x.generator)
-				else:
-					Logs.error('  %d. %r in %r', 1 + v.index(x), x.generator.name, getattr(x.generator, 'path', None))
-			Logs.error('If you think that this is an error, set no_errcheck_out on the task instance')
-
-	if not dupe:
-		for (k, v) in uids.items():
-			if len(v) > 1:
-				Logs.error('* Several tasks use the same identifier. Please check the information on\n   https://waf.io/apidocs/Task.html?highlight=uid#waflib.Task.Task.uid')
-				tg_details = tsk.generator.name
-				if Logs.verbose > 2:
-					tg_details = tsk.generator
-				for tsk in v:
-					Logs.error('  - object %r (%r) defined in %r', tsk.__class__.__name__, tsk, tg_details)
-
-def check_invalid_constraints(self):
-	feat = set()
-	for x in list(TaskGen.feats.values()):
-		feat.union(set(x))
-	for (x, y) in TaskGen.task_gen.prec.items():
-		feat.add(x)
-		feat.union(set(y))
-	ext = set()
-	for x in TaskGen.task_gen.mappings.values():
-		ext.add(x.__name__)
-	invalid = ext & feat
-	if invalid:
-		Logs.error('The methods %r have invalid annotations:  @extension <-> @feature/@before_method/@after_method', list(invalid))
-
-	# the build scripts have been read, so we can check for invalid after/before attributes on task classes
-	for cls in list(Task.classes.values()):
-		if sys.hexversion > 0x3000000 and issubclass(cls, Task.Task) and isinstance(cls.hcode, str):
-			raise Errors.WafError('Class %r has hcode value %r of type <str>, expecting <bytes> (use Utils.h_cmd() ?)' % (cls, cls.hcode))
-
-		for x in ('before', 'after'):
-			for y in Utils.to_list(getattr(cls, x, [])):
-				if not Task.classes.get(y):
-					Logs.error('Erroneous order constraint %r=%r on task class %r', x, y, cls.__name__)
-		if getattr(cls, 'rule', None):
-			Logs.error('Erroneous attribute "rule" on task class %r (rename to "run_str")', cls.__name__)
-
-def replace(m):
-	"""
-	Replaces existing BuildContext methods to verify parameter names,
-	for example ``bld(source=)`` has no ending *s*
-	"""
-	oldcall = getattr(Build.BuildContext, m)
-	def call(self, *k, **kw):
-		ret = oldcall(self, *k, **kw)
-		for x in typos:
-			if x in kw:
-				if x == 'iscopy' and 'subst' in getattr(self, 'features', ''):
-					continue
-				Logs.error('Fix the typo %r -> %r on %r', x, typos[x], ret)
-		return ret
-	setattr(Build.BuildContext, m, call)
-
-def enhance_lib():
-	"""
-	Modifies existing classes and methods to enable error verification
-	"""
-	for m in meths_typos:
-		replace(m)
-
-	# catch '..' in ant_glob patterns
-	def ant_glob(self, *k, **kw):
-		if k:
-			lst = Utils.to_list(k[0])
-			for pat in lst:
-				sp = pat.split('/')
-				if '..' in sp:
-					Logs.error("In ant_glob pattern %r: '..' means 'two dots', not 'parent directory'", k[0])
-				if '.' in sp:
-					Logs.error("In ant_glob pattern %r: '.' means 'one dot', not 'current directory'", k[0])
-		return self.old_ant_glob(*k, **kw)
-	Node.Node.old_ant_glob = Node.Node.ant_glob
-	Node.Node.ant_glob = ant_glob
-
-	# catch ant_glob on build folders
-	def ant_iter(self, accept=None, maxdepth=25, pats=[], dir=False, src=True, remove=True, quiet=False):
-		if remove:
-			try:
-				if self.is_child_of(self.ctx.bldnode) and not quiet:
-					quiet = True
-					Logs.error('Calling ant_glob on build folders (%r) is dangerous: add quiet=True / remove=False', self)
-			except AttributeError:
-				pass
-		return self.old_ant_iter(accept, maxdepth, pats, dir, src, remove, quiet)
-	Node.Node.old_ant_iter = Node.Node.ant_iter
-	Node.Node.ant_iter = ant_iter
-
-	# catch conflicting ext_in/ext_out/before/after declarations
-	old = Task.is_before
-	def is_before(t1, t2):
-		ret = old(t1, t2)
-		if ret and old(t2, t1):
-			Logs.error('Contradictory order constraints in classes %r %r', t1, t2)
-		return ret
-	Task.is_before = is_before
-
-	# check for bld(feature='cshlib') where no 'c' is given - this can be either a mistake or on purpose
-	# so we only issue a warning
-	def check_err_features(self):
-		lst = self.to_list(self.features)
-		if 'shlib' in lst:
-			Logs.error('feature shlib -> cshlib, dshlib or cxxshlib')
-		for x in ('c', 'cxx', 'd', 'fc'):
-			if not x in lst and lst and lst[0] in [x+y for y in ('program', 'shlib', 'stlib')]:
-				Logs.error('%r features is probably missing %r', self, x)
-	TaskGen.feature('*')(check_err_features)
-
-	# check for erroneous order constraints
-	def check_err_order(self):
-		if not hasattr(self, 'rule') and not 'subst' in Utils.to_list(self.features):
-			for x in ('before', 'after', 'ext_in', 'ext_out'):
-				if hasattr(self, x):
-					Logs.warn('Erroneous order constraint %r on non-rule based task generator %r', x, self)
-		else:
-			for x in ('before', 'after'):
-				for y in self.to_list(getattr(self, x, [])):
-					if not Task.classes.get(y):
-						Logs.error('Erroneous order constraint %s=%r on %r (no such class)', x, y, self)
-	TaskGen.feature('*')(check_err_order)
-
-	# check for @extension used with @feature/@before_method/@after_method
-	def check_compile(self):
-		check_invalid_constraints(self)
-		try:
-			ret = self.orig_compile()
-		finally:
-			check_same_targets(self)
-		return ret
-	Build.BuildContext.orig_compile = Build.BuildContext.compile
-	Build.BuildContext.compile = check_compile
-
-	# check for invalid build groups #914
-	def use_rec(self, name, **kw):
-		try:
-			y = self.bld.get_tgen_by_name(name)
-		except Errors.WafError:
-			pass
-		else:
-			idx = self.bld.get_group_idx(self)
-			odx = self.bld.get_group_idx(y)
-			if odx > idx:
-				msg = "Invalid 'use' across build groups:"
-				if Logs.verbose > 1:
-					msg += '\n  target %r\n  uses:\n  %r' % (self, y)
-				else:
-					msg += " %r uses %r (try 'waf -v -v' for the full error)" % (self.name, name)
-				raise Errors.WafError(msg)
-		self.orig_use_rec(name, **kw)
-	TaskGen.task_gen.orig_use_rec = TaskGen.task_gen.use_rec
-	TaskGen.task_gen.use_rec = use_rec
-
-	# check for env.append
-	def _getattr(self, name, default=None):
-		if name == 'append' or name == 'add':
-			raise Errors.WafError('env.append and env.add do not exist: use env.append_value/env.append_unique')
-		elif name == 'prepend':
-			raise Errors.WafError('env.prepend does not exist: use env.prepend_value')
-		if name in self.__slots__:
-			return super(ConfigSet.ConfigSet, self).__getattr__(name, default)
-		else:
-			return self[name]
-	ConfigSet.ConfigSet.__getattr__ = _getattr
-
-
-def options(opt):
-	"""
-	Error verification can be enabled by default (not just on ``waf -v``) by adding to the user script options
-	"""
-	enhance_lib()
-
diff --git a/waflib/Tools/fc.py b/waflib/Tools/fc.py
deleted file mode 100644
index fd4d39c9..00000000
--- a/waflib/Tools/fc.py
+++ /dev/null
@@ -1,203 +0,0 @@
-#! /usr/bin/env python
-# encoding: utf-8
-# DC 2008
-# Thomas Nagy 2016-2018 (ita)
-
-"""
-Fortran support
-"""
-
-from waflib import Utils, Task, Errors
-from waflib.Tools import ccroot, fc_config, fc_scan
-from waflib.TaskGen import extension
-from waflib.Configure import conf
-
-ccroot.USELIB_VARS['fc'] = set(['FCFLAGS', 'DEFINES', 'INCLUDES', 'FCPPFLAGS'])
-ccroot.USELIB_VARS['fcprogram_test'] = ccroot.USELIB_VARS['fcprogram'] = set(['LIB', 'STLIB', 'LIBPATH', 'STLIBPATH', 'LINKFLAGS', 'RPATH', 'LINKDEPS'])
-ccroot.USELIB_VARS['fcshlib'] = set(['LIB', 'STLIB', 'LIBPATH', 'STLIBPATH', 'LINKFLAGS', 'RPATH', 'LINKDEPS'])
-ccroot.USELIB_VARS['fcstlib'] = set(['ARFLAGS', 'LINKDEPS'])
-
-@extension('.f','.F','.f90','.F90','.for','.FOR','.f95','.F95','.f03','.F03','.f08','.F08')
-def fc_hook(self, node):
-	"Binds the Fortran file extensions create :py:class:`waflib.Tools.fc.fc` instances"
-	return self.create_compiled_task('fc', node)
-
-@conf
-def modfile(conf, name):
-	"""
-	Turns a module name into the right module file name.
-	Defaults to all lower case.
-	"""
-	if name.find(':') >= 0:
-		# Depending on a submodule!
-		separator = conf.env.FC_SUBMOD_SEPARATOR or '@'
-		# Ancestors of the submodule will be prefixed to the
-		# submodule name, separated by a colon.
-		modpath = name.split(':')
-		# Only the ancestor (actual) module and the submodule name
-		# will be used for the filename.
-		modname = modpath[0] + separator + modpath[-1]
-		suffix = conf.env.FC_SUBMOD_SUFFIX or '.smod'
-	else:
-		modname = name
-		suffix = '.mod'
-
-	return {'lower'     :modname.lower() + suffix.lower(),
-		'lower.MOD' :modname.lower() + suffix.upper(),
-		'UPPER.mod' :modname.upper() + suffix.lower(),
-		'UPPER'     :modname.upper() + suffix.upper()}[conf.env.FC_MOD_CAPITALIZATION or 'lower']
-
-def get_fortran_tasks(tsk):
-	"""
-	Obtains all fortran tasks from the same build group. Those tasks must not have
-	the attribute 'nomod' or 'mod_fortran_done'
-
-	:return: a list of :py:class:`waflib.Tools.fc.fc` instances
-	"""
-	bld = tsk.generator.bld
-	tasks = bld.get_tasks_group(bld.get_group_idx(tsk.generator))
-	return [x for x in tasks if isinstance(x, fc) and not getattr(x, 'nomod', None) and not getattr(x, 'mod_fortran_done', None)]
-
-class fc(Task.Task):
-	"""
-	Fortran tasks can only run when all fortran tasks in a current task group are ready to be executed
-	This may cause a deadlock if some fortran task is waiting for something that cannot happen (circular dependency)
-	Should this ever happen, set the 'nomod=True' on those tasks instances to break the loop
-	"""
-	color = 'GREEN'
-	run_str = '${FC} ${FCFLAGS} ${FCINCPATH_ST:INCPATHS} ${FCDEFINES_ST:DEFINES} ${_FCMODOUTFLAGS} ${FC_TGT_F}${TGT[0].abspath()} ${FC_SRC_F}${SRC[0].abspath()} ${FCPPFLAGS}'
-	vars = ["FORTRANMODPATHFLAG"]
-
-	def scan(self):
-		"""Fortran dependency scanner"""
-		tmp = fc_scan.fortran_parser(self.generator.includes_nodes)
-		tmp.task = self
-		tmp.start(self.inputs[0])
-		return (tmp.nodes, tmp.names)
-
-	def runnable_status(self):
-		"""
-		Sets the mod file outputs and the dependencies on the mod files over all Fortran tasks
-		executed by the main thread so there are no concurrency issues
-		"""
-		if getattr(self, 'mod_fortran_done', None):
-			return super(fc, self).runnable_status()
-
-		# now, if we reach this part it is because this fortran task is the first in the list
-		bld = self.generator.bld
-
-		# obtain the fortran tasks
-		lst = get_fortran_tasks(self)
-
-		# disable this method for other tasks
-		for tsk in lst:
-			tsk.mod_fortran_done = True
-
-		# wait for all the .f tasks to be ready for execution
-		# and ensure that the scanners are called at least once
-		for tsk in lst:
-			ret = tsk.runnable_status()
-			if ret == Task.ASK_LATER:
-				# we have to wait for one of the other fortran tasks to be ready
-				# this may deadlock if there are dependencies between fortran tasks
-				# but this should not happen (we are setting them here!)
-				for x in lst:
-					x.mod_fortran_done = None
-
-				return Task.ASK_LATER
-
-		ins = Utils.defaultdict(set)
-		outs = Utils.defaultdict(set)
-
-		# the .mod files to create
-		for tsk in lst:
-			key = tsk.uid()
-			for x in bld.raw_deps[key]:
-				if x.startswith('MOD@'):
-					name = bld.modfile(x.replace('MOD@', ''))
-					node = bld.srcnode.find_or_declare(name)
-					tsk.set_outputs(node)
-					outs[node].add(tsk)
-
-		# the .mod files to use
-		for tsk in lst:
-			key = tsk.uid()
-			for x in bld.raw_deps[key]:
-				if x.startswith('USE@'):
-					name = bld.modfile(x.replace('USE@', ''))
-					node = bld.srcnode.find_resource(name)
-					if node and node not in tsk.outputs:
-						if not node in bld.node_deps[key]:
-							bld.node_deps[key].append(node)
-						ins[node].add(tsk)
-
-		# if the intersection matches, set the order
-		for k in ins.keys():
-			for a in ins[k]:
-				a.run_after.update(outs[k])
-				for x in outs[k]:
-					self.generator.bld.producer.revdeps[x].add(a)
-
-				# the scanner cannot output nodes, so we have to set them
-				# ourselves as task.dep_nodes (additional input nodes)
-				tmp = []
-				for t in outs[k]:
-					tmp.extend(t.outputs)
-				a.dep_nodes.extend(tmp)
-				a.dep_nodes.sort(key=lambda x: x.abspath())
-
-		# the task objects have changed: clear the signature cache
-		for tsk in lst:
-			try:
-				delattr(tsk, 'cache_sig')
-			except AttributeError:
-				pass
-
-		return super(fc, self).runnable_status()
-
-class fcprogram(ccroot.link_task):
-	"""Links Fortran programs"""
-	color = 'YELLOW'
-	run_str = '${FC} ${LINKFLAGS} ${FCLNK_SRC_F}${SRC} ${FCLNK_TGT_F}${TGT[0].abspath()} ${RPATH_ST:RPATH} ${FCSTLIB_MARKER} ${FCSTLIBPATH_ST:STLIBPATH} ${FCSTLIB_ST:STLIB} ${FCSHLIB_MARKER} ${FCLIBPATH_ST:LIBPATH} ${FCLIB_ST:LIB} ${LDFLAGS}'
-	inst_to = '${BINDIR}'
-
-class fcshlib(fcprogram):
-	"""Links Fortran libraries"""
-	inst_to = '${LIBDIR}'
-
-class fcstlib(ccroot.stlink_task):
-	"""Links Fortran static libraries (uses ar by default)"""
-	pass # do not remove the pass statement
-
-class fcprogram_test(fcprogram):
-	"""Custom link task to obtain compiler outputs for Fortran configuration tests"""
-
-	def runnable_status(self):
-		"""This task is always executed"""
-		ret = super(fcprogram_test, self).runnable_status()
-		if ret == Task.SKIP_ME:
-			ret = Task.RUN_ME
-		return ret
-
-	def exec_command(self, cmd, **kw):
-		"""Stores the compiler std our/err onto the build context, to bld.out + bld.err"""
-		bld = self.generator.bld
-
-		kw['shell'] = isinstance(cmd, str)
-		kw['stdout'] = kw['stderr'] = Utils.subprocess.PIPE
-		kw['cwd'] = self.get_cwd()
-		bld.out = bld.err = ''
-
-		bld.to_log('command: %s\n' % cmd)
-
-		kw['output'] = 0
-		try:
-			(bld.out, bld.err) = bld.cmd_and_log(cmd, **kw)
-		except Errors.WafError:
-			return -1
-
-		if bld.out:
-			bld.to_log('out: %s\n' % bld.out)
-		if bld.err:
-			bld.to_log('err: %s\n' % bld.err)
-
diff --git a/waflib/Tools/fc_config.py b/waflib/Tools/fc_config.py
deleted file mode 100644
index dc5e5c9e..00000000
--- a/waflib/Tools/fc_config.py
+++ /dev/null
@@ -1,488 +0,0 @@
-#! /usr/bin/env python
-# encoding: utf-8
-# DC 2008
-# Thomas Nagy 2016-2018 (ita)
-
-"""
-Fortran configuration helpers
-"""
-
-import re, os, sys, shlex
-from waflib.Configure import conf
-from waflib.TaskGen import feature, before_method
-
-FC_FRAGMENT = '        program main\n        end     program main\n'
-FC_FRAGMENT2 = '        PROGRAM MAIN\n        END\n' # what's the actual difference between these?
-
-@conf
-def fc_flags(conf):
-	"""
-	Defines common fortran configuration flags and file extensions
-	"""
-	v = conf.env
-
-	v.FC_SRC_F    = []
-	v.FC_TGT_F    = ['-c', '-o']
-	v.FCINCPATH_ST  = '-I%s'
-	v.FCDEFINES_ST  = '-D%s'
-
-	if not v.LINK_FC:
-		v.LINK_FC = v.FC
-
-	v.FCLNK_SRC_F = []
-	v.FCLNK_TGT_F = ['-o']
-
-	v.FCFLAGS_fcshlib   = ['-fpic']
-	v.LINKFLAGS_fcshlib = ['-shared']
-	v.fcshlib_PATTERN   = 'lib%s.so'
-
-	v.fcstlib_PATTERN   = 'lib%s.a'
-
-	v.FCLIB_ST       = '-l%s'
-	v.FCLIBPATH_ST   = '-L%s'
-	v.FCSTLIB_ST     = '-l%s'
-	v.FCSTLIBPATH_ST = '-L%s'
-	v.FCSTLIB_MARKER = '-Wl,-Bstatic'
-	v.FCSHLIB_MARKER = '-Wl,-Bdynamic'
-
-	v.SONAME_ST      = '-Wl,-h,%s'
-
-@conf
-def fc_add_flags(conf):
-	"""
-	Adds FCFLAGS / LDFLAGS / LINKFLAGS from os.environ to conf.env
-	"""
-	conf.add_os_flags('FCPPFLAGS', dup=False)
-	conf.add_os_flags('FCFLAGS', dup=False)
-	conf.add_os_flags('LINKFLAGS', dup=False)
-	conf.add_os_flags('LDFLAGS', dup=False)
-
-@conf
-def check_fortran(self, *k, **kw):
-	"""
-	Compiles a Fortran program to ensure that the settings are correct
-	"""
-	self.check_cc(
-		fragment         = FC_FRAGMENT,
-		compile_filename = 'test.f',
-		features         = 'fc fcprogram',
-		msg              = 'Compiling a simple fortran app')
-
-@conf
-def check_fc(self, *k, **kw):
-	"""
-	Same as :py:func:`waflib.Tools.c_config.check` but defaults to the *Fortran* programming language
-	(this overrides the C defaults in :py:func:`waflib.Tools.c_config.validate_c`)
-	"""
-	kw['compiler'] = 'fc'
-	if not 'compile_mode' in kw:
-		kw['compile_mode'] = 'fc'
-	if not 'type' in kw:
-		kw['type'] = 'fcprogram'
-	if not 'compile_filename' in kw:
-		kw['compile_filename'] = 'test.f90'
-	if not 'code' in kw:
-		kw['code'] = FC_FRAGMENT
-	return self.check(*k, **kw)
-
-# ------------------------------------------------------------------------
-# --- These are the default platform modifiers, refactored here for
-#     convenience.  gfortran and g95 have much overlap.
-# ------------------------------------------------------------------------
-
-@conf
-def fortran_modifier_darwin(conf):
-	"""
-	Defines Fortran flags and extensions for OSX systems
-	"""
-	v = conf.env
-	v.FCFLAGS_fcshlib   = ['-fPIC']
-	v.LINKFLAGS_fcshlib = ['-dynamiclib']
-	v.fcshlib_PATTERN   = 'lib%s.dylib'
-	v.FRAMEWORKPATH_ST  = '-F%s'
-	v.FRAMEWORK_ST      = ['-framework']
-
-	v.LINKFLAGS_fcstlib = []
-
-	v.FCSHLIB_MARKER    = ''
-	v.FCSTLIB_MARKER    = ''
-	v.SONAME_ST         = ''
-
-@conf
-def fortran_modifier_win32(conf):
-	"""
-	Defines Fortran flags for Windows platforms
-	"""
-	v = conf.env
-	v.fcprogram_PATTERN = v.fcprogram_test_PATTERN  = '%s.exe'
-
-	v.fcshlib_PATTERN   = '%s.dll'
-	v.implib_PATTERN    = '%s.dll.a'
-	v.IMPLIB_ST         = '-Wl,--out-implib,%s'
-
-	v.FCFLAGS_fcshlib   = []
-
-	# Auto-import is enabled by default even without this option,
-	# but enabling it explicitly has the nice effect of suppressing the rather boring, debug-level messages
-	# that the linker emits otherwise.
-	v.append_value('LINKFLAGS', ['-Wl,--enable-auto-import'])
-
-@conf
-def fortran_modifier_cygwin(conf):
-	"""
-	Defines Fortran flags for use on cygwin
-	"""
-	fortran_modifier_win32(conf)
-	v = conf.env
-	v.fcshlib_PATTERN = 'cyg%s.dll'
-	v.append_value('LINKFLAGS_fcshlib', ['-Wl,--enable-auto-image-base'])
-	v.FCFLAGS_fcshlib = []
-
-# ------------------------------------------------------------------------
-
-@conf
-def check_fortran_dummy_main(self, *k, **kw):
-	"""
-	Determines if a main function is needed by compiling a code snippet with
-	the C compiler and linking it with the Fortran compiler (useful on unix-like systems)
-	"""
-	if not self.env.CC:
-		self.fatal('A c compiler is required for check_fortran_dummy_main')
-
-	lst = ['MAIN__', '__MAIN', '_MAIN', 'MAIN_', 'MAIN']
-	lst.extend([m.lower() for m in lst])
-	lst.append('')
-
-	self.start_msg('Detecting whether we need a dummy main')
-	for main in lst:
-		kw['fortran_main'] = main
-		try:
-			self.check_cc(
-				fragment = 'int %s() { return 0; }\n' % (main or 'test'),
-				features = 'c fcprogram',
-				mandatory = True
-			)
-			if not main:
-				self.env.FC_MAIN = -1
-				self.end_msg('no')
-			else:
-				self.env.FC_MAIN = main
-				self.end_msg('yes %s' % main)
-			break
-		except self.errors.ConfigurationError:
-			pass
-	else:
-		self.end_msg('not found')
-		self.fatal('could not detect whether fortran requires a dummy main, see the config.log')
-
-# ------------------------------------------------------------------------
-
-GCC_DRIVER_LINE = re.compile('^Driving:')
-POSIX_STATIC_EXT = re.compile(r'\S+\.a')
-POSIX_LIB_FLAGS = re.compile(r'-l\S+')
-
-@conf
-def is_link_verbose(self, txt):
-	"""Returns True if 'useful' link options can be found in txt"""
-	assert isinstance(txt, str)
-	for line in txt.splitlines():
-		if not GCC_DRIVER_LINE.search(line):
-			if POSIX_STATIC_EXT.search(line) or POSIX_LIB_FLAGS.search(line):
-				return True
-	return False
-
-@conf
-def check_fortran_verbose_flag(self, *k, **kw):
-	"""
-	Checks what kind of verbose (-v) flag works, then sets it to env.FC_VERBOSE_FLAG
-	"""
-	self.start_msg('fortran link verbose flag')
-	for x in ('-v', '--verbose', '-verbose', '-V'):
-		try:
-			self.check_cc(
-				features = 'fc fcprogram_test',
-				fragment = FC_FRAGMENT2,
-				compile_filename = 'test.f',
-				linkflags = [x],
-				mandatory=True)
-		except self.errors.ConfigurationError:
-			pass
-		else:
-			# output is on stderr or stdout (for xlf)
-			if self.is_link_verbose(self.test_bld.err) or self.is_link_verbose(self.test_bld.out):
-				self.end_msg(x)
-				break
-	else:
-		self.end_msg('failure')
-		self.fatal('Could not obtain the fortran link verbose flag (see config.log)')
-
-	self.env.FC_VERBOSE_FLAG = x
-	return x
-
-# ------------------------------------------------------------------------
-
-# linkflags which match those are ignored
-LINKFLAGS_IGNORED = [r'-lang*', r'-lcrt[a-zA-Z0-9\.]*\.o', r'-lc$', r'-lSystem', r'-libmil', r'-LIST:*', r'-LNO:*']
-if os.name == 'nt':
-	LINKFLAGS_IGNORED.extend([r'-lfrt*', r'-luser32', r'-lkernel32', r'-ladvapi32', r'-lmsvcrt', r'-lshell32', r'-lmingw', r'-lmoldname'])
-else:
-	LINKFLAGS_IGNORED.append(r'-lgcc*')
-RLINKFLAGS_IGNORED = [re.compile(f) for f in LINKFLAGS_IGNORED]
-
-def _match_ignore(line):
-	"""Returns True if the line should be ignored (Fortran verbose flag test)"""
-	for i in RLINKFLAGS_IGNORED:
-		if i.match(line):
-			return True
-	return False
-
-def parse_fortran_link(lines):
-	"""Given the output of verbose link of Fortran compiler, this returns a
-	list of flags necessary for linking using the standard linker."""
-	final_flags = []
-	for line in lines:
-		if not GCC_DRIVER_LINE.match(line):
-			_parse_flink_line(line, final_flags)
-	return final_flags
-
-SPACE_OPTS = re.compile('^-[LRuYz]$')
-NOSPACE_OPTS = re.compile('^-[RL]')
-
-def _parse_flink_token(lexer, token, tmp_flags):
-	# Here we go (convention for wildcard is shell, not regex !)
-	#   1 TODO: we first get some root .a libraries
-	#   2 TODO: take everything starting by -bI:*
-	#   3 Ignore the following flags: -lang* | -lcrt*.o | -lc |
-	#   -lgcc* | -lSystem | -libmil | -LANG:=* | -LIST:* | -LNO:*)
-	#   4 take into account -lkernel32
-	#   5 For options of the kind -[[LRuYz]], as they take one argument
-	#   after, the actual option is the next token
-	#   6 For -YP,*: take and replace by -Larg where arg is the old
-	#   argument
-	#   7 For -[lLR]*: take
-
-	# step 3
-	if _match_ignore(token):
-		pass
-	# step 4
-	elif token.startswith('-lkernel32') and sys.platform == 'cygwin':
-		tmp_flags.append(token)
-	# step 5
-	elif SPACE_OPTS.match(token):
-		t = lexer.get_token()
-		if t.startswith('P,'):
-			t = t[2:]
-		for opt in t.split(os.pathsep):
-			tmp_flags.append('-L%s' % opt)
-	# step 6
-	elif NOSPACE_OPTS.match(token):
-		tmp_flags.append(token)
-	# step 7
-	elif POSIX_LIB_FLAGS.match(token):
-		tmp_flags.append(token)
-	else:
-		# ignore anything not explicitly taken into account
-		pass
-
-	t = lexer.get_token()
-	return t
-
-def _parse_flink_line(line, final_flags):
-	"""private"""
-	lexer = shlex.shlex(line, posix = True)
-	lexer.whitespace_split = True
-
-	t = lexer.get_token()
-	tmp_flags = []
-	while t:
-		t = _parse_flink_token(lexer, t, tmp_flags)
-
-	final_flags.extend(tmp_flags)
-	return final_flags
-
-@conf
-def check_fortran_clib(self, autoadd=True, *k, **kw):
-	"""
-	Obtains the flags for linking with the C library
-	if this check works, add uselib='CLIB' to your task generators
-	"""
-	if not self.env.FC_VERBOSE_FLAG:
-		self.fatal('env.FC_VERBOSE_FLAG is not set: execute check_fortran_verbose_flag?')
-
-	self.start_msg('Getting fortran runtime link flags')
-	try:
-		self.check_cc(
-			fragment = FC_FRAGMENT2,
-			compile_filename = 'test.f',
-			features = 'fc fcprogram_test',
-			linkflags = [self.env.FC_VERBOSE_FLAG]
-		)
-	except Exception:
-		self.end_msg(False)
-		if kw.get('mandatory', True):
-			conf.fatal('Could not find the c library flags')
-	else:
-		out = self.test_bld.err
-		flags = parse_fortran_link(out.splitlines())
-		self.end_msg('ok (%s)' % ' '.join(flags))
-		self.env.LINKFLAGS_CLIB = flags
-		return flags
-	return []
-
-def getoutput(conf, cmd, stdin=False):
-	"""
-	Obtains Fortran command outputs
-	"""
-	from waflib import Errors
-	if conf.env.env:
-		env = conf.env.env
-	else:
-		env = dict(os.environ)
-		env['LANG'] = 'C'
-	input = stdin and '\n'.encode() or None
-	try:
-		out, err = conf.cmd_and_log(cmd, env=env, output=0, input=input)
-	except Errors.WafError as e:
-		# An WafError might indicate an error code during the command
-		# execution, in this case we still obtain the stderr and stdout,
-		# which we can use to find the version string.
-		if not (hasattr(e, 'stderr') and hasattr(e, 'stdout')):
-			raise e
-		else:
-			# Ignore the return code and return the original
-			# stdout and stderr.
-			out = e.stdout
-			err = e.stderr
-	except Exception:
-		conf.fatal('could not determine the compiler version %r' % cmd)
-	return (out, err)
-
-# ------------------------------------------------------------------------
-
-ROUTINES_CODE = """\
-      subroutine foobar()
-      return
-      end
-      subroutine foo_bar()
-      return
-      end
-"""
-
-MAIN_CODE = """
-void %(dummy_func_nounder)s(void);
-void %(dummy_func_under)s(void);
-int %(main_func_name)s() {
-  %(dummy_func_nounder)s();
-  %(dummy_func_under)s();
-  return 0;
-}
-"""
-
-@feature('link_main_routines_func')
-@before_method('process_source')
-def link_main_routines_tg_method(self):
-	"""
-	The configuration test declares a unique task generator,
-	so we create other task generators from there for fortran link tests
-	"""
-	def write_test_file(task):
-		task.outputs[0].write(task.generator.code)
-	bld = self.bld
-	bld(rule=write_test_file, target='main.c', code=MAIN_CODE % self.__dict__)
-	bld(rule=write_test_file, target='test.f', code=ROUTINES_CODE)
-	bld(features='fc fcstlib', source='test.f', target='test')
-	bld(features='c fcprogram', source='main.c', target='app', use='test')
-
-def mangling_schemes():
-	"""
-	Generate triplets for use with mangle_name
-	(used in check_fortran_mangling)
-	the order is tuned for gfortan
-	"""
-	for u in ('_', ''):
-		for du in ('', '_'):
-			for c in ("lower", "upper"):
-				yield (u, du, c)
-
-def mangle_name(u, du, c, name):
-	"""Mangle a name from a triplet (used in check_fortran_mangling)"""
-	return getattr(name, c)() + u + (name.find('_') != -1 and du or '')
-
-@conf
-def check_fortran_mangling(self, *k, **kw):
-	"""
-	Detect the mangling scheme, sets FORTRAN_MANGLING to the triplet found
-
-	This test will compile a fortran static library, then link a c app against it
-	"""
-	if not self.env.CC:
-		self.fatal('A c compiler is required for link_main_routines')
-	if not self.env.FC:
-		self.fatal('A fortran compiler is required for link_main_routines')
-	if not self.env.FC_MAIN:
-		self.fatal('Checking for mangling requires self.env.FC_MAIN (execute "check_fortran_dummy_main" first?)')
-
-	self.start_msg('Getting fortran mangling scheme')
-	for (u, du, c) in mangling_schemes():
-		try:
-			self.check_cc(
-				compile_filename   = [],
-				features           = 'link_main_routines_func',
-				msg                = 'nomsg',
-				errmsg             = 'nomsg',
-				dummy_func_nounder = mangle_name(u, du, c, 'foobar'),
-				dummy_func_under   = mangle_name(u, du, c, 'foo_bar'),
-				main_func_name     = self.env.FC_MAIN
-			)
-		except self.errors.ConfigurationError:
-			pass
-		else:
-			self.end_msg("ok ('%s', '%s', '%s-case')" % (u, du, c))
-			self.env.FORTRAN_MANGLING = (u, du, c)
-			break
-	else:
-		self.end_msg(False)
-		self.fatal('mangler not found')
-	return (u, du, c)
-
-@feature('pyext')
-@before_method('propagate_uselib_vars', 'apply_link')
-def set_lib_pat(self):
-	"""Sets the Fortran flags for linking with Python"""
-	self.env.fcshlib_PATTERN = self.env.pyext_PATTERN
-
-@conf
-def detect_openmp(self):
-	"""
-	Detects openmp flags and sets the OPENMP ``FCFLAGS``/``LINKFLAGS``
-	"""
-	for x in ('-fopenmp','-openmp','-mp','-xopenmp','-omp','-qsmp=omp'):
-		try:
-			self.check_fc(
-				msg          = 'Checking for OpenMP flag %s' % x,
-				fragment     = 'program main\n  call omp_get_num_threads()\nend program main',
-				fcflags      = x,
-				linkflags    = x,
-				uselib_store = 'OPENMP'
-			)
-		except self.errors.ConfigurationError:
-			pass
-		else:
-			break
-	else:
-		self.fatal('Could not find OpenMP')
-
-@conf
-def check_gfortran_o_space(self):
-	if self.env.FC_NAME != 'GFORTRAN' or int(self.env.FC_VERSION[0]) > 4:
-		# This is for old compilers and only for gfortran.
-		# No idea how other implementations handle this. Be safe and bail out.
-		return
-	self.env.stash()
-	self.env.FCLNK_TGT_F = ['-o', '']
-	try:
-		self.check_fc(msg='Checking if the -o link must be split from arguments', fragment=FC_FRAGMENT, features='fc fcshlib')
-	except self.errors.ConfigurationError:
-		self.env.revert()
-	else:
-		self.env.commit()
diff --git a/waflib/Tools/fc_scan.py b/waflib/Tools/fc_scan.py
deleted file mode 100644
index 0824c92b..00000000
--- a/waflib/Tools/fc_scan.py
+++ /dev/null
@@ -1,120 +0,0 @@
-#! /usr/bin/env python
-# encoding: utf-8
-# DC 2008
-# Thomas Nagy 2016-2018 (ita)
-
-import re
-
-INC_REGEX = r"""(?:^|['">]\s*;)\s*(?:|#\s*)INCLUDE\s+(?:\w+_)?[<"'](.+?)(?=["'>])"""
-USE_REGEX = r"""(?:^|;)\s*USE(?:\s+|(?:(?:\s*,\s*(?:NON_)?INTRINSIC)?\s*::))\s*(\w+)"""
-MOD_REGEX = r"""(?:^|;)\s*MODULE(?!\s+(?:PROCEDURE|SUBROUTINE|FUNCTION))\s+(\w+)"""
-SMD_REGEX = r"""(?:^|;)\s*SUBMODULE\s*\(([\w:]+)\)\s*(\w+)"""
-
-re_inc = re.compile(INC_REGEX, re.I)
-re_use = re.compile(USE_REGEX, re.I)
-re_mod = re.compile(MOD_REGEX, re.I)
-re_smd = re.compile(SMD_REGEX, re.I)
-
-class fortran_parser(object):
-	"""
-	This parser returns:
-
-	* the nodes corresponding to the module names to produce
-	* the nodes corresponding to the include files used
-	* the module names used by the fortran files
-	"""
-	def __init__(self, incpaths):
-		self.seen = []
-		"""Files already parsed"""
-
-		self.nodes = []
-		"""List of :py:class:`waflib.Node.Node` representing the dependencies to return"""
-
-		self.names = []
-		"""List of module names to return"""
-
-		self.incpaths = incpaths
-		"""List of :py:class:`waflib.Node.Node` representing the include paths"""
-
-	def find_deps(self, node):
-		"""
-		Parses a Fortran file to obtain the dependencies used/provided
-
-		:param node: fortran file to read
-		:type node: :py:class:`waflib.Node.Node`
-		:return: lists representing the includes, the modules used, and the modules created by a fortran file
-		:rtype: tuple of list of strings
-		"""
-		txt = node.read()
-		incs = []
-		uses = []
-		mods = []
-		for line in txt.splitlines():
-			# line by line regexp search? optimize?
-			m = re_inc.search(line)
-			if m:
-				incs.append(m.group(1))
-			m = re_use.search(line)
-			if m:
-				uses.append(m.group(1))
-			m = re_mod.search(line)
-			if m:
-				mods.append(m.group(1))
-			m = re_smd.search(line)
-			if m:
-				uses.append(m.group(1))
-				mods.append('{0}:{1}'.format(m.group(1),m.group(2)))
-		return (incs, uses, mods)
-
-	def start(self, node):
-		"""
-		Start parsing. Use the stack ``self.waiting`` to hold nodes to iterate on
-
-		:param node: fortran file
-		:type node: :py:class:`waflib.Node.Node`
-		"""
-		self.waiting = [node]
-		while self.waiting:
-			nd = self.waiting.pop(0)
-			self.iter(nd)
-
-	def iter(self, node):
-		"""
-		Processes a single file during dependency parsing. Extracts files used
-		modules used and modules provided.
-		"""
-		incs, uses, mods = self.find_deps(node)
-		for x in incs:
-			if x in self.seen:
-				continue
-			self.seen.append(x)
-			self.tryfind_header(x)
-
-		for x in uses:
-			name = "USE@%s" % x
-			if not name in self.names:
-				self.names.append(name)
-
-		for x in mods:
-			name = "MOD@%s" % x
-			if not name in self.names:
-				self.names.append(name)
-
-	def tryfind_header(self, filename):
-		"""
-		Adds an include file to the list of nodes to process
-
-		:param filename: file name
-		:type filename: string
-		"""
-		found = None
-		for n in self.incpaths:
-			found = n.find_resource(filename)
-			if found:
-				self.nodes.append(found)
-				self.waiting.append(found)
-				break
-		if not found:
-			if not filename in self.names:
-				self.names.append(filename)
-
diff --git a/waflib/Tools/flex.py b/waflib/Tools/flex.py
deleted file mode 100644
index 2256657b..00000000
--- a/waflib/Tools/flex.py
+++ /dev/null
@@ -1,62 +0,0 @@
-#!/usr/bin/env python
-# encoding: utf-8
-# John O'Meara, 2006
-# Thomas Nagy, 2006-2018 (ita)
-
-"""
-The **flex** program is a code generator which creates C or C++ files.
-The generated files are compiled into object files.
-"""
-
-import os, re
-from waflib import Task, TaskGen
-from waflib.Tools import ccroot
-
-def decide_ext(self, node):
-	if 'cxx' in self.features:
-		return ['.lex.cc']
-	return ['.lex.c']
-
-def flexfun(tsk):
-	env = tsk.env
-	bld = tsk.generator.bld
-	wd = bld.variant_dir
-	def to_list(xx):
-		if isinstance(xx, str):
-			return [xx]
-		return xx
-	tsk.last_cmd = lst = []
-	lst.extend(to_list(env.FLEX))
-	lst.extend(to_list(env.FLEXFLAGS))
-	inputs = [a.path_from(tsk.get_cwd()) for a in tsk.inputs]
-	if env.FLEX_MSYS:
-		inputs = [x.replace(os.sep, '/') for x in inputs]
-	lst.extend(inputs)
-	lst = [x for x in lst if x]
-	txt = bld.cmd_and_log(lst, cwd=wd, env=env.env or None, quiet=0)
-	tsk.outputs[0].write(txt.replace('\r\n', '\n').replace('\r', '\n')) # issue #1207
-
-TaskGen.declare_chain(
-	name = 'flex',
-	rule = flexfun, # issue #854
-	ext_in = '.l',
-	decider = decide_ext,
-)
-
-# To support the following:
-# bld(features='c', flexflags='-P/foo')
-Task.classes['flex'].vars = ['FLEXFLAGS', 'FLEX']
-ccroot.USELIB_VARS['c'].add('FLEXFLAGS')
-ccroot.USELIB_VARS['cxx'].add('FLEXFLAGS')
-
-def configure(conf):
-	"""
-	Detect the *flex* program
-	"""
-	conf.find_program('flex', var='FLEX')
-	conf.env.FLEXFLAGS = ['-t']
-
-	if re.search (r"\\msys\\[0-9.]+\\bin\\flex.exe$", conf.env.FLEX[0]):
-		# this is the flex shipped with MSYS
-		conf.env.FLEX_MSYS = True
-
diff --git a/waflib/Tools/g95.py b/waflib/Tools/g95.py
deleted file mode 100644
index f69ba4f3..00000000
--- a/waflib/Tools/g95.py
+++ /dev/null
@@ -1,66 +0,0 @@
-#! /usr/bin/env python
-# encoding: utf-8
-# KWS 2010
-# Thomas Nagy 2016-2018 (ita)
-
-import re
-from waflib import Utils
-from waflib.Tools import fc, fc_config, fc_scan, ar
-from waflib.Configure import conf
-
-@conf
-def find_g95(conf):
-	fc = conf.find_program('g95', var='FC')
-	conf.get_g95_version(fc)
-	conf.env.FC_NAME = 'G95'
-
-@conf
-def g95_flags(conf):
-	v = conf.env
-	v.FCFLAGS_fcshlib   = ['-fPIC']
-	v.FORTRANMODFLAG  = ['-fmod=', ''] # template for module path
-	v.FCFLAGS_DEBUG = ['-Werror'] # why not
-
-@conf
-def g95_modifier_win32(conf):
-	fc_config.fortran_modifier_win32(conf)
-
-@conf
-def g95_modifier_cygwin(conf):
-	fc_config.fortran_modifier_cygwin(conf)
-
-@conf
-def g95_modifier_darwin(conf):
-	fc_config.fortran_modifier_darwin(conf)
-
-@conf
-def g95_modifier_platform(conf):
-	dest_os = conf.env.DEST_OS or Utils.unversioned_sys_platform()
-	g95_modifier_func = getattr(conf, 'g95_modifier_' + dest_os, None)
-	if g95_modifier_func:
-		g95_modifier_func()
-
-@conf
-def get_g95_version(conf, fc):
-	"""get the compiler version"""
-
-	version_re = re.compile(r"g95\s*(?P<major>\d*)\.(?P<minor>\d*)").search
-	cmd = fc + ['--version']
-	out, err = fc_config.getoutput(conf, cmd, stdin=False)
-	if out:
-		match = version_re(out)
-	else:
-		match = version_re(err)
-	if not match:
-		conf.fatal('cannot determine g95 version')
-	k = match.groupdict()
-	conf.env.FC_VERSION = (k['major'], k['minor'])
-
-def configure(conf):
-	conf.find_g95()
-	conf.find_ar()
-	conf.fc_flags()
-	conf.fc_add_flags()
-	conf.g95_flags()
-	conf.g95_modifier_platform()
-
diff --git a/waflib/Tools/gas.py b/waflib/Tools/gas.py
deleted file mode 100644
index 77afed70..00000000
--- a/waflib/Tools/gas.py
+++ /dev/null
@@ -1,18 +0,0 @@
-#!/usr/bin/env python
-# encoding: utf-8
-# Thomas Nagy, 2008-2018 (ita)
-
-"Detect as/gas/gcc for compiling assembly files"
-
-import waflib.Tools.asm # - leave this
-from waflib.Tools import ar
-
-def configure(conf):
-	"""
-	Find the programs gas/as/gcc and set the variable *AS*
-	"""
-	conf.find_program(['gas', 'gcc'], var='AS')
-	conf.env.AS_TGT_F = ['-c', '-o']
-	conf.env.ASLNK_TGT_F = ['-o']
-	conf.find_ar()
-	conf.load('asm')
diff --git a/waflib/Tools/gcc.py b/waflib/Tools/gcc.py
deleted file mode 100644
index acdd473a..00000000
--- a/waflib/Tools/gcc.py
+++ /dev/null
@@ -1,156 +0,0 @@
-#!/usr/bin/env python
-# encoding: utf-8
-# Thomas Nagy, 2006-2018 (ita)
-# Ralf Habacker, 2006 (rh)
-# Yinon Ehrlich, 2009
-
-"""
-gcc/llvm detection.
-"""
-
-from waflib.Tools import ccroot, ar
-from waflib.Configure import conf
-
-@conf
-def find_gcc(conf):
-	"""
-	Find the program gcc, and if present, try to detect its version number
-	"""
-	cc = conf.find_program(['gcc', 'cc'], var='CC')
-	conf.get_cc_version(cc, gcc=True)
-	conf.env.CC_NAME = 'gcc'
-
-@conf
-def gcc_common_flags(conf):
-	"""
-	Common flags for gcc on nearly all platforms
-	"""
-	v = conf.env
-
-	v.CC_SRC_F            = []
-	v.CC_TGT_F            = ['-c', '-o']
-
-	if not v.LINK_CC:
-		v.LINK_CC = v.CC
-
-	v.CCLNK_SRC_F         = []
-	v.CCLNK_TGT_F         = ['-o']
-	v.CPPPATH_ST          = '-I%s'
-	v.DEFINES_ST          = '-D%s'
-
-	v.LIB_ST              = '-l%s' # template for adding libs
-	v.LIBPATH_ST          = '-L%s' # template for adding libpaths
-	v.STLIB_ST            = '-l%s'
-	v.STLIBPATH_ST        = '-L%s'
-	v.RPATH_ST            = '-Wl,-rpath,%s'
-
-	v.SONAME_ST           = '-Wl,-h,%s'
-	v.SHLIB_MARKER        = '-Wl,-Bdynamic'
-	v.STLIB_MARKER        = '-Wl,-Bstatic'
-
-	v.cprogram_PATTERN    = '%s'
-
-	v.CFLAGS_cshlib       = ['-fPIC']
-	v.LINKFLAGS_cshlib    = ['-shared']
-	v.cshlib_PATTERN      = 'lib%s.so'
-
-	v.LINKFLAGS_cstlib    = ['-Wl,-Bstatic']
-	v.cstlib_PATTERN      = 'lib%s.a'
-
-	v.LINKFLAGS_MACBUNDLE = ['-bundle', '-undefined', 'dynamic_lookup']
-	v.CFLAGS_MACBUNDLE    = ['-fPIC']
-	v.macbundle_PATTERN   = '%s.bundle'
-
-@conf
-def gcc_modifier_win32(conf):
-	"""Configuration flags for executing gcc on Windows"""
-	v = conf.env
-	v.cprogram_PATTERN    = '%s.exe'
-
-	v.cshlib_PATTERN      = '%s.dll'
-	v.implib_PATTERN      = '%s.dll.a'
-	v.IMPLIB_ST           = '-Wl,--out-implib,%s'
-
-	v.CFLAGS_cshlib       = []
-
-	# Auto-import is enabled by default even without this option,
-	# but enabling it explicitly has the nice effect of suppressing the rather boring, debug-level messages
-	# that the linker emits otherwise.
-	v.append_value('LINKFLAGS', ['-Wl,--enable-auto-import'])
-
-@conf
-def gcc_modifier_cygwin(conf):
-	"""Configuration flags for executing gcc on Cygwin"""
-	gcc_modifier_win32(conf)
-	v = conf.env
-	v.cshlib_PATTERN = 'cyg%s.dll'
-	v.append_value('LINKFLAGS_cshlib', ['-Wl,--enable-auto-image-base'])
-	v.CFLAGS_cshlib = []
-
-@conf
-def gcc_modifier_darwin(conf):
-	"""Configuration flags for executing gcc on MacOS"""
-	v = conf.env
-	v.CFLAGS_cshlib       = ['-fPIC']
-	v.LINKFLAGS_cshlib    = ['-dynamiclib']
-	v.cshlib_PATTERN      = 'lib%s.dylib'
-	v.FRAMEWORKPATH_ST    = '-F%s'
-	v.FRAMEWORK_ST        = ['-framework']
-	v.ARCH_ST             = ['-arch']
-
-	v.LINKFLAGS_cstlib    = []
-
-	v.SHLIB_MARKER        = []
-	v.STLIB_MARKER        = []
-	v.SONAME_ST           = []
-
-@conf
-def gcc_modifier_aix(conf):
-	"""Configuration flags for executing gcc on AIX"""
-	v = conf.env
-	v.LINKFLAGS_cprogram  = ['-Wl,-brtl']
-	v.LINKFLAGS_cshlib    = ['-shared','-Wl,-brtl,-bexpfull']
-	v.SHLIB_MARKER        = []
-
-@conf
-def gcc_modifier_hpux(conf):
-	v = conf.env
-	v.SHLIB_MARKER        = []
-	v.STLIB_MARKER        = []
-	v.CFLAGS_cshlib       = ['-fPIC','-DPIC']
-	v.cshlib_PATTERN      = 'lib%s.sl'
-
-@conf
-def gcc_modifier_openbsd(conf):
-	conf.env.SONAME_ST = []
-
-@conf
-def gcc_modifier_osf1V(conf):
-	v = conf.env
-	v.SHLIB_MARKER        = []
-	v.STLIB_MARKER        = []
-	v.SONAME_ST           = []
-
-@conf
-def gcc_modifier_platform(conf):
-	"""Execute platform-specific functions based on *gcc_modifier_+NAME*"""
-	# * set configurations specific for a platform.
-	# * the destination platform is detected automatically by looking at the macros the compiler predefines,
-	#   and if it's not recognised, it fallbacks to sys.platform.
-	gcc_modifier_func = getattr(conf, 'gcc_modifier_' + conf.env.DEST_OS, None)
-	if gcc_modifier_func:
-		gcc_modifier_func()
-
-def configure(conf):
-	"""
-	Configuration for gcc
-	"""
-	conf.find_gcc()
-	conf.find_ar()
-	conf.gcc_common_flags()
-	conf.gcc_modifier_platform()
-	conf.cc_load_tools()
-	conf.cc_add_flags()
-	conf.link_add_flags()
-	conf.check_gcc_o_space()
-
diff --git a/waflib/Tools/gdc.py b/waflib/Tools/gdc.py
deleted file mode 100644
index d89a66d3..00000000
--- a/waflib/Tools/gdc.py
+++ /dev/null
@@ -1,55 +0,0 @@
-#!/usr/bin/env python
-# encoding: utf-8
-# Carlos Rafael Giani, 2007 (dv)
-
-from waflib.Tools import ar, d
-from waflib.Configure import conf
-
-@conf
-def find_gdc(conf):
-	"""
-	Finds the program gdc and set the variable *D*
-	"""
-	conf.find_program('gdc', var='D')
-
-	out = conf.cmd_and_log(conf.env.D + ['--version'])
-	if out.find("gdc") == -1:
-		conf.fatal("detected compiler is not gdc")
-
-@conf
-def common_flags_gdc(conf):
-	"""
-	Sets the flags required by *gdc*
-	"""
-	v = conf.env
-
-	v.DFLAGS            = []
-
-	v.D_SRC_F           = ['-c']
-	v.D_TGT_F           = '-o%s'
-
-	v.D_LINKER          = v.D
-	v.DLNK_SRC_F        = ''
-	v.DLNK_TGT_F        = '-o%s'
-	v.DINC_ST           = '-I%s'
-
-	v.DSHLIB_MARKER = v.DSTLIB_MARKER = ''
-	v.DSTLIB_ST = v.DSHLIB_ST         = '-l%s'
-	v.DSTLIBPATH_ST = v.DLIBPATH_ST   = '-L%s'
-
-	v.LINKFLAGS_dshlib  = ['-shared']
-
-	v.DHEADER_ext       = '.di'
-	v.DFLAGS_d_with_header = '-fintfc'
-	v.D_HDR_F           = '-fintfc-file=%s'
-
-def configure(conf):
-	"""
-	Configuration for gdc
-	"""
-	conf.find_gdc()
-	conf.load('ar')
-	conf.load('d')
-	conf.common_flags_gdc()
-	conf.d_platform_flags()
-
diff --git a/waflib/Tools/gfortran.py b/waflib/Tools/gfortran.py
deleted file mode 100644
index 10506673..00000000
--- a/waflib/Tools/gfortran.py
+++ /dev/null
@@ -1,93 +0,0 @@
-#! /usr/bin/env python
-# encoding: utf-8
-# DC 2008
-# Thomas Nagy 2016-2018 (ita)
-
-import re
-from waflib import Utils
-from waflib.Tools import fc, fc_config, fc_scan, ar
-from waflib.Configure import conf
-
-@conf
-def find_gfortran(conf):
-	"""Find the gfortran program (will look in the environment variable 'FC')"""
-	fc = conf.find_program(['gfortran','g77'], var='FC')
-	# (fallback to g77 for systems, where no gfortran is available)
-	conf.get_gfortran_version(fc)
-	conf.env.FC_NAME = 'GFORTRAN'
-
-@conf
-def gfortran_flags(conf):
-	v = conf.env
-	v.FCFLAGS_fcshlib = ['-fPIC']
-	v.FORTRANMODFLAG = ['-J', ''] # template for module path
-	v.FCFLAGS_DEBUG = ['-Werror'] # why not
-
-@conf
-def gfortran_modifier_win32(conf):
-	fc_config.fortran_modifier_win32(conf)
-
-@conf
-def gfortran_modifier_cygwin(conf):
-	fc_config.fortran_modifier_cygwin(conf)
-
-@conf
-def gfortran_modifier_darwin(conf):
-	fc_config.fortran_modifier_darwin(conf)
-
-@conf
-def gfortran_modifier_platform(conf):
-	dest_os = conf.env.DEST_OS or Utils.unversioned_sys_platform()
-	gfortran_modifier_func = getattr(conf, 'gfortran_modifier_' + dest_os, None)
-	if gfortran_modifier_func:
-		gfortran_modifier_func()
-
-@conf
-def get_gfortran_version(conf, fc):
-	"""Get the compiler version"""
-
-	# ensure this is actually gfortran, not an imposter.
-	version_re = re.compile(r"GNU\s*Fortran", re.I).search
-	cmd = fc + ['--version']
-	out, err = fc_config.getoutput(conf, cmd, stdin=False)
-	if out:
-		match = version_re(out)
-	else:
-		match = version_re(err)
-	if not match:
-		conf.fatal('Could not determine the compiler type')
-
-	# --- now get more detailed info -- see c_config.get_cc_version
-	cmd = fc + ['-dM', '-E', '-']
-	out, err = fc_config.getoutput(conf, cmd, stdin=True)
-
-	if out.find('__GNUC__') < 0:
-		conf.fatal('Could not determine the compiler type')
-
-	k = {}
-	out = out.splitlines()
-	import shlex
-
-	for line in out:
-		lst = shlex.split(line)
-		if len(lst)>2:
-			key = lst[1]
-			val = lst[2]
-			k[key] = val
-
-	def isD(var):
-		return var in k
-
-	def isT(var):
-		return var in k and k[var] != '0'
-
-	conf.env.FC_VERSION = (k['__GNUC__'], k['__GNUC_MINOR__'], k['__GNUC_PATCHLEVEL__'])
-
-def configure(conf):
-	conf.find_gfortran()
-	conf.find_ar()
-	conf.fc_flags()
-	conf.fc_add_flags()
-	conf.gfortran_flags()
-	conf.gfortran_modifier_platform()
-	conf.check_gfortran_o_space()
diff --git a/waflib/Tools/glib2.py b/waflib/Tools/glib2.py
deleted file mode 100644
index 949fe37c..00000000
--- a/waflib/Tools/glib2.py
+++ /dev/null
@@ -1,489 +0,0 @@
-#! /usr/bin/env python
-# encoding: utf-8
-# Thomas Nagy, 2006-2018 (ita)
-
-"""
-Support for GLib2 tools:
-
-* marshal
-* enums
-* gsettings
-* gresource
-"""
-
-import os
-import functools
-from waflib import Context, Task, Utils, Options, Errors, Logs
-from waflib.TaskGen import taskgen_method, before_method, feature, extension
-from waflib.Configure import conf
-
-################## marshal files
-
-@taskgen_method
-def add_marshal_file(self, filename, prefix):
-	"""
-	Adds a file to the list of marshal files to process. Store them in the attribute *marshal_list*.
-
-	:param filename: xml file to compile
-	:type filename: string
-	:param prefix: marshal prefix (--prefix=prefix)
-	:type prefix: string
-	"""
-	if not hasattr(self, 'marshal_list'):
-		self.marshal_list = []
-	self.meths.append('process_marshal')
-	self.marshal_list.append((filename, prefix))
-
-@before_method('process_source')
-def process_marshal(self):
-	"""
-	Processes the marshal files stored in the attribute *marshal_list* to create :py:class:`waflib.Tools.glib2.glib_genmarshal` instances.
-	Adds the c file created to the list of source to process.
-	"""
-	for f, prefix in getattr(self, 'marshal_list', []):
-		node = self.path.find_resource(f)
-
-		if not node:
-			raise Errors.WafError('file not found %r' % f)
-
-		h_node = node.change_ext('.h')
-		c_node = node.change_ext('.c')
-
-		task = self.create_task('glib_genmarshal', node, [h_node, c_node])
-		task.env.GLIB_GENMARSHAL_PREFIX = prefix
-	self.source = self.to_nodes(getattr(self, 'source', []))
-	self.source.append(c_node)
-
-class glib_genmarshal(Task.Task):
-	vars    = ['GLIB_GENMARSHAL_PREFIX', 'GLIB_GENMARSHAL']
-	color   = 'BLUE'
-	ext_out = ['.h']
-	def run(self):
-		bld = self.generator.bld
-
-		get = self.env.get_flat
-		cmd1 = "%s %s --prefix=%s --header > %s" % (
-			get('GLIB_GENMARSHAL'),
-			self.inputs[0].srcpath(),
-			get('GLIB_GENMARSHAL_PREFIX'),
-			self.outputs[0].abspath()
-		)
-
-		ret = bld.exec_command(cmd1)
-		if ret:
-			return ret
-
-		#print self.outputs[1].abspath()
-		c = '''#include "%s"\n''' % self.outputs[0].name
-		self.outputs[1].write(c)
-
-		cmd2 = "%s %s --prefix=%s --body >> %s" % (
-			get('GLIB_GENMARSHAL'),
-			self.inputs[0].srcpath(),
-			get('GLIB_GENMARSHAL_PREFIX'),
-			self.outputs[1].abspath()
-		)
-		return bld.exec_command(cmd2)
-
-########################## glib-mkenums
-
-@taskgen_method
-def add_enums_from_template(self, source='', target='', template='', comments=''):
-	"""
-	Adds a file to the list of enum files to process. Stores them in the attribute *enums_list*.
-
-	:param source: enum file to process
-	:type source: string
-	:param target: target file
-	:type target: string
-	:param template: template file
-	:type template: string
-	:param comments: comments
-	:type comments: string
-	"""
-	if not hasattr(self, 'enums_list'):
-		self.enums_list = []
-	self.meths.append('process_enums')
-	self.enums_list.append({'source': source,
-	                        'target': target,
-	                        'template': template,
-	                        'file-head': '',
-	                        'file-prod': '',
-	                        'file-tail': '',
-	                        'enum-prod': '',
-	                        'value-head': '',
-	                        'value-prod': '',
-	                        'value-tail': '',
-	                        'comments': comments})
-
-@taskgen_method
-def add_enums(self, source='', target='',
-              file_head='', file_prod='', file_tail='', enum_prod='',
-              value_head='', value_prod='', value_tail='', comments=''):
-	"""
-	Adds a file to the list of enum files to process. Stores them in the attribute *enums_list*.
-
-	:param source: enum file to process
-	:type source: string
-	:param target: target file
-	:type target: string
-	:param file_head: unused
-	:param file_prod: unused
-	:param file_tail: unused
-	:param enum_prod: unused
-	:param value_head: unused
-	:param value_prod: unused
-	:param value_tail: unused
-	:param comments: comments
-	:type comments: string
-	"""
-	if not hasattr(self, 'enums_list'):
-		self.enums_list = []
-	self.meths.append('process_enums')
-	self.enums_list.append({'source': source,
-	                        'template': '',
-	                        'target': target,
-	                        'file-head': file_head,
-	                        'file-prod': file_prod,
-	                        'file-tail': file_tail,
-	                        'enum-prod': enum_prod,
-	                        'value-head': value_head,
-	                        'value-prod': value_prod,
-	                        'value-tail': value_tail,
-	                        'comments': comments})
-
-@before_method('process_source')
-def process_enums(self):
-	"""
-	Processes the enum files stored in the attribute *enum_list* to create :py:class:`waflib.Tools.glib2.glib_mkenums` instances.
-	"""
-	for enum in getattr(self, 'enums_list', []):
-		task = self.create_task('glib_mkenums')
-		env = task.env
-
-		inputs = []
-
-		# process the source
-		source_list = self.to_list(enum['source'])
-		if not source_list:
-			raise Errors.WafError('missing source ' + str(enum))
-		source_list = [self.path.find_resource(k) for k in source_list]
-		inputs += source_list
-		env.GLIB_MKENUMS_SOURCE = [k.abspath() for k in source_list]
-
-		# find the target
-		if not enum['target']:
-			raise Errors.WafError('missing target ' + str(enum))
-		tgt_node = self.path.find_or_declare(enum['target'])
-		if tgt_node.name.endswith('.c'):
-			self.source.append(tgt_node)
-		env.GLIB_MKENUMS_TARGET = tgt_node.abspath()
-
-
-		options = []
-
-		if enum['template']: # template, if provided
-			template_node = self.path.find_resource(enum['template'])
-			options.append('--template %s' % (template_node.abspath()))
-			inputs.append(template_node)
-		params = {'file-head' : '--fhead',
-		           'file-prod' : '--fprod',
-		           'file-tail' : '--ftail',
-		           'enum-prod' : '--eprod',
-		           'value-head' : '--vhead',
-		           'value-prod' : '--vprod',
-		           'value-tail' : '--vtail',
-		           'comments': '--comments'}
-		for param, option in params.items():
-			if enum[param]:
-				options.append('%s %r' % (option, enum[param]))
-
-		env.GLIB_MKENUMS_OPTIONS = ' '.join(options)
-
-		# update the task instance
-		task.set_inputs(inputs)
-		task.set_outputs(tgt_node)
-
-class glib_mkenums(Task.Task):
-	"""
-	Processes enum files
-	"""
-	run_str = '${GLIB_MKENUMS} ${GLIB_MKENUMS_OPTIONS} ${GLIB_MKENUMS_SOURCE} > ${GLIB_MKENUMS_TARGET}'
-	color   = 'PINK'
-	ext_out = ['.h']
-
-######################################### gsettings
-
-@taskgen_method
-def add_settings_schemas(self, filename_list):
-	"""
-	Adds settings files to process to *settings_schema_files*
-
-	:param filename_list: files
-	:type filename_list: list of string
-	"""
-	if not hasattr(self, 'settings_schema_files'):
-		self.settings_schema_files = []
-
-	if not isinstance(filename_list, list):
-		filename_list = [filename_list]
-
-	self.settings_schema_files.extend(filename_list)
-
-@taskgen_method
-def add_settings_enums(self, namespace, filename_list):
-	"""
-	Called only once by task generator to set the enums namespace.
-
-	:param namespace: namespace
-	:type namespace: string
-	:param filename_list: enum files to process
-	:type filename_list: file list
-	"""
-	if hasattr(self, 'settings_enum_namespace'):
-		raise Errors.WafError("Tried to add gsettings enums to %r more than once" % self.name)
-	self.settings_enum_namespace = namespace
-
-	if not isinstance(filename_list, list):
-		filename_list = [filename_list]
-	self.settings_enum_files = filename_list
-
-@feature('glib2')
-def process_settings(self):
-	"""
-	Processes the schema files in *settings_schema_files* to create :py:class:`waflib.Tools.glib2.glib_mkenums` instances. The
-	same files are validated through :py:class:`waflib.Tools.glib2.glib_validate_schema` tasks.
-
-	"""
-	enums_tgt_node = []
-	install_files = []
-
-	settings_schema_files = getattr(self, 'settings_schema_files', [])
-	if settings_schema_files and not self.env.GLIB_COMPILE_SCHEMAS:
-		raise Errors.WafError ("Unable to process GSettings schemas - glib-compile-schemas was not found during configure")
-
-	# 1. process gsettings_enum_files (generate .enums.xml)
-	#
-	if hasattr(self, 'settings_enum_files'):
-		enums_task = self.create_task('glib_mkenums')
-
-		source_list = self.settings_enum_files
-		source_list = [self.path.find_resource(k) for k in source_list]
-		enums_task.set_inputs(source_list)
-		enums_task.env.GLIB_MKENUMS_SOURCE = [k.abspath() for k in source_list]
-
-		target = self.settings_enum_namespace + '.enums.xml'
-		tgt_node = self.path.find_or_declare(target)
-		enums_task.set_outputs(tgt_node)
-		enums_task.env.GLIB_MKENUMS_TARGET = tgt_node.abspath()
-		enums_tgt_node = [tgt_node]
-
-		install_files.append(tgt_node)
-
-		options = '--comments "<!-- @comment@ -->" --fhead "<schemalist>" --vhead "  <@type@ id=\\"%s.@EnumName@\\">" --vprod "    <value nick=\\"@valuenick@\\" value=\\"@valuenum@\\"/>" --vtail "  </@type@>" --ftail "</schemalist>" ' % (self.settings_enum_namespace)
-		enums_task.env.GLIB_MKENUMS_OPTIONS = options
-
-	# 2. process gsettings_schema_files (validate .gschema.xml files)
-	#
-	for schema in settings_schema_files:
-		schema_task = self.create_task ('glib_validate_schema')
-
-		schema_node = self.path.find_resource(schema)
-		if not schema_node:
-			raise Errors.WafError("Cannot find the schema file %r" % schema)
-		install_files.append(schema_node)
-		source_list = enums_tgt_node + [schema_node]
-
-		schema_task.set_inputs (source_list)
-		schema_task.env.GLIB_COMPILE_SCHEMAS_OPTIONS = [("--schema-file=" + k.abspath()) for k in source_list]
-
-		target_node = schema_node.change_ext('.xml.valid')
-		schema_task.set_outputs (target_node)
-		schema_task.env.GLIB_VALIDATE_SCHEMA_OUTPUT = target_node.abspath()
-
-	# 3. schemas install task
-	def compile_schemas_callback(bld):
-		if not bld.is_install:
-			return
-		compile_schemas = Utils.to_list(bld.env.GLIB_COMPILE_SCHEMAS)
-		destdir = Options.options.destdir
-		paths = bld._compile_schemas_registered
-		if destdir:
-			paths = (os.path.join(destdir, path.lstrip(os.sep)) for path in paths)
-		for path in paths:
-			Logs.pprint('YELLOW', 'Updating GSettings schema cache %r' % path)
-			if self.bld.exec_command(compile_schemas + [path]):
-				Logs.warn('Could not update GSettings schema cache %r' % path)
-
-	if self.bld.is_install:
-		schemadir = self.env.GSETTINGSSCHEMADIR
-		if not schemadir:
-			raise Errors.WafError ('GSETTINGSSCHEMADIR not defined (should have been set up automatically during configure)')
-
-		if install_files:
-			self.add_install_files(install_to=schemadir, install_from=install_files)
-			registered_schemas = getattr(self.bld, '_compile_schemas_registered', None)
-			if not registered_schemas:
-				registered_schemas = self.bld._compile_schemas_registered = set()
-				self.bld.add_post_fun(compile_schemas_callback)
-			registered_schemas.add(schemadir)
-
-class glib_validate_schema(Task.Task):
-	"""
-	Validates schema files
-	"""
-	run_str = 'rm -f ${GLIB_VALIDATE_SCHEMA_OUTPUT} && ${GLIB_COMPILE_SCHEMAS} --dry-run ${GLIB_COMPILE_SCHEMAS_OPTIONS} && touch ${GLIB_VALIDATE_SCHEMA_OUTPUT}'
-	color   = 'PINK'
-
-################## gresource
-
-@extension('.gresource.xml')
-def process_gresource_source(self, node):
-	"""
-	Creates tasks that turn ``.gresource.xml`` files to C code
-	"""
-	if not self.env.GLIB_COMPILE_RESOURCES:
-		raise Errors.WafError ("Unable to process GResource file - glib-compile-resources was not found during configure")
-
-	if 'gresource' in self.features:
-		return
-
-	h_node = node.change_ext('_xml.h')
-	c_node = node.change_ext('_xml.c')
-	self.create_task('glib_gresource_source', node, [h_node, c_node])
-	self.source.append(c_node)
-
-@feature('gresource')
-def process_gresource_bundle(self):
-	"""
-	Creates tasks to turn ``.gresource`` files from ``.gresource.xml`` files::
-
-		def build(bld):
-			bld(
-				features='gresource',
-				source=['resources1.gresource.xml', 'resources2.gresource.xml'],
-				install_path='${LIBDIR}/${PACKAGE}'
-			)
-
-	:param source: XML files to process
-	:type source: list of string
-	:param install_path: installation path
-	:type install_path: string
-	"""
-	for i in self.to_list(self.source):
-		node = self.path.find_resource(i)
-
-		task = self.create_task('glib_gresource_bundle', node, node.change_ext(''))
-		inst_to = getattr(self, 'install_path', None)
-		if inst_to:
-			self.add_install_files(install_to=inst_to, install_from=task.outputs)
-
-class glib_gresource_base(Task.Task):
-	"""
-	Base class for gresource based tasks
-	"""
-	color    = 'BLUE'
-	base_cmd = '${GLIB_COMPILE_RESOURCES} --sourcedir=${SRC[0].parent.srcpath()} --sourcedir=${SRC[0].bld_dir()}'
-
-	def scan(self):
-		"""
-		Scans gresource dependencies through ``glib-compile-resources --generate-dependencies command``
-		"""
-		bld = self.generator.bld
-		kw = {}
-		kw['cwd'] = self.get_cwd()
-		kw['quiet'] = Context.BOTH
-
-		cmd = Utils.subst_vars('${GLIB_COMPILE_RESOURCES} --sourcedir=%s --sourcedir=%s --generate-dependencies %s' % (
-			self.inputs[0].parent.srcpath(),
-			self.inputs[0].bld_dir(),
-			self.inputs[0].bldpath()
-		), self.env)
-
-		output = bld.cmd_and_log(cmd, **kw)
-
-		nodes = []
-		names = []
-		for dep in output.splitlines():
-			if dep:
-				node = bld.bldnode.find_node(dep)
-				if node:
-					nodes.append(node)
-				else:
-					names.append(dep)
-
-		return (nodes, names)
-
-class glib_gresource_source(glib_gresource_base):
-	"""
-	Task to generate C source code (.h and .c files) from a gresource.xml file
-	"""
-	vars    = ['GLIB_COMPILE_RESOURCES']
-	fun_h   = Task.compile_fun_shell(glib_gresource_base.base_cmd + ' --target=${TGT[0].abspath()} --generate-header ${SRC}')
-	fun_c   = Task.compile_fun_shell(glib_gresource_base.base_cmd + ' --target=${TGT[1].abspath()} --generate-source ${SRC}')
-	ext_out = ['.h']
-
-	def run(self):
-		return self.fun_h[0](self) or self.fun_c[0](self)
-
-class glib_gresource_bundle(glib_gresource_base):
-	"""
-	Task to generate a .gresource binary file from a gresource.xml file
-	"""
-	run_str = glib_gresource_base.base_cmd + ' --target=${TGT} ${SRC}'
-	shell   = True # temporary workaround for #795
-
-@conf
-def find_glib_genmarshal(conf):
-	conf.find_program('glib-genmarshal', var='GLIB_GENMARSHAL')
-
-@conf
-def find_glib_mkenums(conf):
-	if not conf.env.PERL:
-		conf.find_program('perl', var='PERL')
-	conf.find_program('glib-mkenums', interpreter='PERL', var='GLIB_MKENUMS')
-
-@conf
-def find_glib_compile_schemas(conf):
-	# when cross-compiling, gsettings.m4 locates the program with the following:
-	#   pkg-config --variable glib_compile_schemas gio-2.0
-	conf.find_program('glib-compile-schemas', var='GLIB_COMPILE_SCHEMAS')
-
-	def getstr(varname):
-		return getattr(Options.options, varname, getattr(conf.env,varname, ''))
-
-	gsettingsschemadir = getstr('GSETTINGSSCHEMADIR')
-	if not gsettingsschemadir:
-		datadir = getstr('DATADIR')
-		if not datadir:
-			prefix = conf.env.PREFIX
-			datadir = os.path.join(prefix, 'share')
-		gsettingsschemadir = os.path.join(datadir, 'glib-2.0', 'schemas')
-
-	conf.env.GSETTINGSSCHEMADIR = gsettingsschemadir
-
-@conf
-def find_glib_compile_resources(conf):
-	conf.find_program('glib-compile-resources', var='GLIB_COMPILE_RESOURCES')
-
-def configure(conf):
-	"""
-	Finds the following programs:
-
-	* *glib-genmarshal* and set *GLIB_GENMARSHAL*
-	* *glib-mkenums* and set *GLIB_MKENUMS*
-	* *glib-compile-schemas* and set *GLIB_COMPILE_SCHEMAS* (not mandatory)
-	* *glib-compile-resources* and set *GLIB_COMPILE_RESOURCES* (not mandatory)
-	"""
-	conf.find_glib_genmarshal()
-	conf.find_glib_mkenums()
-	conf.find_glib_compile_schemas(mandatory=False)
-	conf.find_glib_compile_resources(mandatory=False)
-
-def options(opt):
-	"""
-	Adds the ``--gsettingsschemadir`` command-line option
-	"""
-	gr = opt.add_option_group('Installation directories')
-	gr.add_option('--gsettingsschemadir', help='GSettings schema location [DATADIR/glib-2.0/schemas]', default='', dest='GSETTINGSSCHEMADIR')
-
diff --git a/waflib/Tools/gnu_dirs.py b/waflib/Tools/gnu_dirs.py
deleted file mode 100644
index 2847071d..00000000
--- a/waflib/Tools/gnu_dirs.py
+++ /dev/null
@@ -1,131 +0,0 @@
-#!/usr/bin/env python
-# encoding: utf-8
-# Ali Sabil, 2007
-
-"""
-Sets various standard variables such as INCLUDEDIR. SBINDIR and others. To use this module just call::
-
-	opt.load('gnu_dirs')
-
-and::
-
-	conf.load('gnu_dirs')
-
-Add options for the standard GNU directories, this tool will add the options
-found in autotools, and will update the environment with the following
-installation variables:
-
-============== ========================================= =======================
-Variable       Description                               Default Value
-============== ========================================= =======================
-PREFIX         installation prefix                       /usr/local
-EXEC_PREFIX    installation prefix for binaries          PREFIX
-BINDIR         user commands                             EXEC_PREFIX/bin
-SBINDIR        system binaries                           EXEC_PREFIX/sbin
-LIBEXECDIR     program-specific binaries                 EXEC_PREFIX/libexec
-SYSCONFDIR     host-specific configuration               PREFIX/etc
-SHAREDSTATEDIR architecture-independent variable data    PREFIX/com
-LOCALSTATEDIR  variable data                             PREFIX/var
-LIBDIR         object code libraries                     EXEC_PREFIX/lib
-INCLUDEDIR     header files                              PREFIX/include
-OLDINCLUDEDIR  header files for non-GCC compilers        /usr/include
-DATAROOTDIR    architecture-independent data root        PREFIX/share
-DATADIR        architecture-independent data             DATAROOTDIR
-INFODIR        GNU "info" documentation                  DATAROOTDIR/info
-LOCALEDIR      locale-dependent data                     DATAROOTDIR/locale
-MANDIR         manual pages                              DATAROOTDIR/man
-DOCDIR         documentation root                        DATAROOTDIR/doc/APPNAME
-HTMLDIR        HTML documentation                        DOCDIR
-DVIDIR         DVI documentation                         DOCDIR
-PDFDIR         PDF documentation                         DOCDIR
-PSDIR          PostScript documentation                  DOCDIR
-============== ========================================= =======================
-"""
-
-import os, re
-from waflib import Utils, Options, Context
-
-gnuopts = '''
-bindir, user commands, ${EXEC_PREFIX}/bin
-sbindir, system binaries, ${EXEC_PREFIX}/sbin
-libexecdir, program-specific binaries, ${EXEC_PREFIX}/libexec
-sysconfdir, host-specific configuration, ${PREFIX}/etc
-sharedstatedir, architecture-independent variable data, ${PREFIX}/com
-localstatedir, variable data, ${PREFIX}/var
-libdir, object code libraries, ${EXEC_PREFIX}/lib%s
-includedir, header files, ${PREFIX}/include
-oldincludedir, header files for non-GCC compilers, /usr/include
-datarootdir, architecture-independent data root, ${PREFIX}/share
-datadir, architecture-independent data, ${DATAROOTDIR}
-infodir, GNU "info" documentation, ${DATAROOTDIR}/info
-localedir, locale-dependent data, ${DATAROOTDIR}/locale
-mandir, manual pages, ${DATAROOTDIR}/man
-docdir, documentation root, ${DATAROOTDIR}/doc/${PACKAGE}
-htmldir, HTML documentation, ${DOCDIR}
-dvidir, DVI documentation, ${DOCDIR}
-pdfdir, PDF documentation, ${DOCDIR}
-psdir, PostScript documentation, ${DOCDIR}
-''' % Utils.lib64()
-
-_options = [x.split(', ') for x in gnuopts.splitlines() if x]
-
-def configure(conf):
-	"""
-	Reads the command-line options to set lots of variables in *conf.env*. The variables
-	BINDIR and LIBDIR will be overwritten.
-	"""
-	def get_param(varname, default):
-		return getattr(Options.options, varname, '') or default
-
-	env = conf.env
-	env.LIBDIR = env.BINDIR = []
-	env.EXEC_PREFIX = get_param('EXEC_PREFIX', env.PREFIX)
-	env.PACKAGE = getattr(Context.g_module, 'APPNAME', None) or env.PACKAGE
-
-	complete = False
-	iter = 0
-	while not complete and iter < len(_options) + 1:
-		iter += 1
-		complete = True
-		for name, help, default in _options:
-			name = name.upper()
-			if not env[name]:
-				try:
-					env[name] = Utils.subst_vars(get_param(name, default).replace('/', os.sep), env)
-				except TypeError:
-					complete = False
-
-	if not complete:
-		lst = [x for x, _, _ in _options if not env[x.upper()]]
-		raise conf.errors.WafError('Variable substitution failure %r' % lst)
-
-def options(opt):
-	"""
-	Adds lots of command-line options, for example::
-
-		--exec-prefix: EXEC_PREFIX
-	"""
-	inst_dir = opt.add_option_group('Installation prefix',
-'By default, "waf install" will put the files in\
- "/usr/local/bin", "/usr/local/lib" etc. An installation prefix other\
- than "/usr/local" can be given using "--prefix", for example "--prefix=$HOME"')
-
-	for k in ('--prefix', '--destdir'):
-		option = opt.parser.get_option(k)
-		if option:
-			opt.parser.remove_option(k)
-			inst_dir.add_option(option)
-
-	inst_dir.add_option('--exec-prefix',
-		help = 'installation prefix for binaries [PREFIX]',
-		default = '',
-		dest = 'EXEC_PREFIX')
-
-	dirs_options = opt.add_option_group('Installation directories')
-
-	for name, help, default in _options:
-		option_name = '--' + name
-		str_default = default
-		str_help = '%s [%s]' % (help, re.sub(r'\$\{([^}]+)\}', r'\1', str_default))
-		dirs_options.add_option(option_name, help=str_help, default='', dest=name.upper())
-
diff --git a/waflib/Tools/gxx.py b/waflib/Tools/gxx.py
deleted file mode 100644
index 22c5d26f..00000000
--- a/waflib/Tools/gxx.py
+++ /dev/null
@@ -1,157 +0,0 @@
-#!/usr/bin/env python
-# encoding: utf-8
-# Thomas Nagy, 2006-2018 (ita)
-# Ralf Habacker, 2006 (rh)
-# Yinon Ehrlich, 2009
-
-"""
-g++/llvm detection.
-"""
-
-from waflib.Tools import ccroot, ar
-from waflib.Configure import conf
-
-@conf
-def find_gxx(conf):
-	"""
-	Finds the program g++, and if present, try to detect its version number
-	"""
-	cxx = conf.find_program(['g++', 'c++'], var='CXX')
-	conf.get_cc_version(cxx, gcc=True)
-	conf.env.CXX_NAME = 'gcc'
-
-@conf
-def gxx_common_flags(conf):
-	"""
-	Common flags for g++ on nearly all platforms
-	"""
-	v = conf.env
-
-	v.CXX_SRC_F           = []
-	v.CXX_TGT_F           = ['-c', '-o']
-
-	if not v.LINK_CXX:
-		v.LINK_CXX = v.CXX
-
-	v.CXXLNK_SRC_F        = []
-	v.CXXLNK_TGT_F        = ['-o']
-	v.CPPPATH_ST          = '-I%s'
-	v.DEFINES_ST          = '-D%s'
-
-	v.LIB_ST              = '-l%s' # template for adding libs
-	v.LIBPATH_ST          = '-L%s' # template for adding libpaths
-	v.STLIB_ST            = '-l%s'
-	v.STLIBPATH_ST        = '-L%s'
-	v.RPATH_ST            = '-Wl,-rpath,%s'
-
-	v.SONAME_ST           = '-Wl,-h,%s'
-	v.SHLIB_MARKER        = '-Wl,-Bdynamic'
-	v.STLIB_MARKER        = '-Wl,-Bstatic'
-
-	v.cxxprogram_PATTERN  = '%s'
-
-	v.CXXFLAGS_cxxshlib   = ['-fPIC']
-	v.LINKFLAGS_cxxshlib  = ['-shared']
-	v.cxxshlib_PATTERN    = 'lib%s.so'
-
-	v.LINKFLAGS_cxxstlib  = ['-Wl,-Bstatic']
-	v.cxxstlib_PATTERN    = 'lib%s.a'
-
-	v.LINKFLAGS_MACBUNDLE = ['-bundle', '-undefined', 'dynamic_lookup']
-	v.CXXFLAGS_MACBUNDLE  = ['-fPIC']
-	v.macbundle_PATTERN   = '%s.bundle'
-
-@conf
-def gxx_modifier_win32(conf):
-	"""Configuration flags for executing gcc on Windows"""
-	v = conf.env
-	v.cxxprogram_PATTERN  = '%s.exe'
-
-	v.cxxshlib_PATTERN    = '%s.dll'
-	v.implib_PATTERN      = '%s.dll.a'
-	v.IMPLIB_ST           = '-Wl,--out-implib,%s'
-
-	v.CXXFLAGS_cxxshlib   = []
-
-	# Auto-import is enabled by default even without this option,
-	# but enabling it explicitly has the nice effect of suppressing the rather boring, debug-level messages
-	# that the linker emits otherwise.
-	v.append_value('LINKFLAGS', ['-Wl,--enable-auto-import'])
-
-@conf
-def gxx_modifier_cygwin(conf):
-	"""Configuration flags for executing g++ on Cygwin"""
-	gxx_modifier_win32(conf)
-	v = conf.env
-	v.cxxshlib_PATTERN    = 'cyg%s.dll'
-	v.append_value('LINKFLAGS_cxxshlib', ['-Wl,--enable-auto-image-base'])
-	v.CXXFLAGS_cxxshlib   = []
-
-@conf
-def gxx_modifier_darwin(conf):
-	"""Configuration flags for executing g++ on MacOS"""
-	v = conf.env
-	v.CXXFLAGS_cxxshlib   = ['-fPIC']
-	v.LINKFLAGS_cxxshlib  = ['-dynamiclib']
-	v.cxxshlib_PATTERN    = 'lib%s.dylib'
-	v.FRAMEWORKPATH_ST    = '-F%s'
-	v.FRAMEWORK_ST        = ['-framework']
-	v.ARCH_ST             = ['-arch']
-
-	v.LINKFLAGS_cxxstlib  = []
-
-	v.SHLIB_MARKER        = []
-	v.STLIB_MARKER        = []
-	v.SONAME_ST           = []
-
-@conf
-def gxx_modifier_aix(conf):
-	"""Configuration flags for executing g++ on AIX"""
-	v = conf.env
-	v.LINKFLAGS_cxxprogram= ['-Wl,-brtl']
-
-	v.LINKFLAGS_cxxshlib  = ['-shared', '-Wl,-brtl,-bexpfull']
-	v.SHLIB_MARKER        = []
-
-@conf
-def gxx_modifier_hpux(conf):
-	v = conf.env
-	v.SHLIB_MARKER        = []
-	v.STLIB_MARKER        = []
-	v.CFLAGS_cxxshlib     = ['-fPIC','-DPIC']
-	v.cxxshlib_PATTERN    = 'lib%s.sl'
-
-@conf
-def gxx_modifier_openbsd(conf):
-	conf.env.SONAME_ST = []
-
-@conf
-def gcc_modifier_osf1V(conf):
-	v = conf.env
-	v.SHLIB_MARKER        = []
-	v.STLIB_MARKER        = []
-	v.SONAME_ST           = []
-
-@conf
-def gxx_modifier_platform(conf):
-	"""Execute platform-specific functions based on *gxx_modifier_+NAME*"""
-	# * set configurations specific for a platform.
-	# * the destination platform is detected automatically by looking at the macros the compiler predefines,
-	#   and if it's not recognised, it fallbacks to sys.platform.
-	gxx_modifier_func = getattr(conf, 'gxx_modifier_' + conf.env.DEST_OS, None)
-	if gxx_modifier_func:
-		gxx_modifier_func()
-
-def configure(conf):
-	"""
-	Configuration for g++
-	"""
-	conf.find_gxx()
-	conf.find_ar()
-	conf.gxx_common_flags()
-	conf.gxx_modifier_platform()
-	conf.cxx_load_tools()
-	conf.cxx_add_flags()
-	conf.link_add_flags()
-	conf.check_gcc_o_space('cxx')
-
diff --git a/waflib/Tools/icc.py b/waflib/Tools/icc.py
deleted file mode 100644
index b6492c8e..00000000
--- a/waflib/Tools/icc.py
+++ /dev/null
@@ -1,30 +0,0 @@
-#!/usr/bin/env python
-# encoding: utf-8
-# Stian Selnes 2008
-# Thomas Nagy 2009-2018 (ita)
-
-"""
-Detects the Intel C compiler
-"""
-
-import sys
-from waflib.Tools import ccroot, ar, gcc
-from waflib.Configure import conf
-
-@conf
-def find_icc(conf):
-	"""
-	Finds the program icc and execute it to ensure it really is icc
-	"""
-	cc = conf.find_program(['icc', 'ICL'], var='CC')
-	conf.get_cc_version(cc, icc=True)
-	conf.env.CC_NAME = 'icc'
-
-def configure(conf):
-	conf.find_icc()
-	conf.find_ar()
-	conf.gcc_common_flags()
-	conf.gcc_modifier_platform()
-	conf.cc_load_tools()
-	conf.cc_add_flags()
-	conf.link_add_flags()
diff --git a/waflib/Tools/icpc.py b/waflib/Tools/icpc.py
deleted file mode 100644
index 8a6cc6c4..00000000
--- a/waflib/Tools/icpc.py
+++ /dev/null
@@ -1,30 +0,0 @@
-#!/usr/bin/env python
-# encoding: utf-8
-# Thomas Nagy 2009-2018 (ita)
-
-"""
-Detects the Intel C++ compiler
-"""
-
-import sys
-from waflib.Tools import ccroot, ar, gxx
-from waflib.Configure import conf
-
-@conf
-def find_icpc(conf):
-	"""
-	Finds the program icpc, and execute it to ensure it really is icpc
-	"""
-	cxx = conf.find_program('icpc', var='CXX')
-	conf.get_cc_version(cxx, icc=True)
-	conf.env.CXX_NAME = 'icc'
-
-def configure(conf):
-	conf.find_icpc()
-	conf.find_ar()
-	conf.gxx_common_flags()
-	conf.gxx_modifier_platform()
-	conf.cxx_load_tools()
-	conf.cxx_add_flags()
-	conf.link_add_flags()
-
diff --git a/waflib/Tools/ifort.py b/waflib/Tools/ifort.py
deleted file mode 100644
index 17d30529..00000000
--- a/waflib/Tools/ifort.py
+++ /dev/null
@@ -1,413 +0,0 @@
-#! /usr/bin/env python
-# encoding: utf-8
-# DC 2008
-# Thomas Nagy 2016-2018 (ita)
-
-import os, re, traceback
-from waflib import Utils, Logs, Errors
-from waflib.Tools import fc, fc_config, fc_scan, ar, ccroot
-from waflib.Configure import conf
-from waflib.TaskGen import after_method, feature
-
-@conf
-def find_ifort(conf):
-	fc = conf.find_program('ifort', var='FC')
-	conf.get_ifort_version(fc)
-	conf.env.FC_NAME = 'IFORT'
-
-@conf
-def ifort_modifier_win32(self):
-	v = self.env
-	v.IFORT_WIN32 = True
-	v.FCSTLIB_MARKER = ''
-	v.FCSHLIB_MARKER = ''
-
-	v.FCLIB_ST = v.FCSTLIB_ST = '%s.lib'
-	v.FCLIBPATH_ST = v.STLIBPATH_ST = '/LIBPATH:%s'
-	v.FCINCPATH_ST = '/I%s'
-	v.FCDEFINES_ST = '/D%s'
-
-	v.fcprogram_PATTERN = v.fcprogram_test_PATTERN = '%s.exe'
-	v.fcshlib_PATTERN = '%s.dll'
-	v.fcstlib_PATTERN = v.implib_PATTERN = '%s.lib'
-
-	v.FCLNK_TGT_F = '/out:'
-	v.FC_TGT_F = ['/c', '/o', '']
-	v.FCFLAGS_fcshlib = ''
-	v.LINKFLAGS_fcshlib = '/DLL'
-	v.AR_TGT_F = '/out:'
-	v.IMPLIB_ST = '/IMPLIB:%s'
-
-	v.append_value('LINKFLAGS', '/subsystem:console')
-	if v.IFORT_MANIFEST:
-		v.append_value('LINKFLAGS', ['/MANIFEST'])
-
-@conf
-def ifort_modifier_darwin(conf):
-	fc_config.fortran_modifier_darwin(conf)
-
-@conf
-def ifort_modifier_platform(conf):
-	dest_os = conf.env.DEST_OS or Utils.unversioned_sys_platform()
-	ifort_modifier_func = getattr(conf, 'ifort_modifier_' + dest_os, None)
-	if ifort_modifier_func:
-		ifort_modifier_func()
-
-@conf
-def get_ifort_version(conf, fc):
-	"""
-	Detects the compiler version and sets ``conf.env.FC_VERSION``
-	"""
-	version_re = re.compile(r"\bIntel\b.*\bVersion\s*(?P<major>\d*)\.(?P<minor>\d*)",re.I).search
-	if Utils.is_win32:
-		cmd = fc
-	else:
-		cmd = fc + ['-logo']
-
-	out, err = fc_config.getoutput(conf, cmd, stdin=False)
-	match = version_re(out) or version_re(err)
-	if not match:
-		conf.fatal('cannot determine ifort version.')
-	k = match.groupdict()
-	conf.env.FC_VERSION = (k['major'], k['minor'])
-
-def configure(conf):
-	"""
-	Detects the Intel Fortran compilers
-	"""
-	if Utils.is_win32:
-		compiler, version, path, includes, libdirs, arch = conf.detect_ifort()
-		v = conf.env
-		v.DEST_CPU = arch
-		v.PATH = path
-		v.INCLUDES = includes
-		v.LIBPATH = libdirs
-		v.MSVC_COMPILER = compiler
-		try:
-			v.MSVC_VERSION = float(version)
-		except ValueError:
-			v.MSVC_VERSION = float(version[:-3])
-
-		conf.find_ifort_win32()
-		conf.ifort_modifier_win32()
-	else:
-		conf.find_ifort()
-		conf.find_program('xiar', var='AR')
-		conf.find_ar()
-		conf.fc_flags()
-		conf.fc_add_flags()
-		conf.ifort_modifier_platform()
-
-
-all_ifort_platforms = [ ('intel64', 'amd64'), ('em64t', 'amd64'), ('ia32', 'x86'), ('Itanium', 'ia64')]
-"""List of icl platforms"""
-
-@conf
-def gather_ifort_versions(conf, versions):
-	"""
-	List compiler versions by looking up registry keys
-	"""
-	version_pattern = re.compile(r'^...?.?\....?.?')
-	try:
-		all_versions = Utils.winreg.OpenKey(Utils.winreg.HKEY_LOCAL_MACHINE, 'SOFTWARE\\Wow6432node\\Intel\\Compilers\\Fortran')
-	except OSError:
-		try:
-			all_versions = Utils.winreg.OpenKey(Utils.winreg.HKEY_LOCAL_MACHINE, 'SOFTWARE\\Intel\\Compilers\\Fortran')
-		except OSError:
-			return
-	index = 0
-	while 1:
-		try:
-			version = Utils.winreg.EnumKey(all_versions, index)
-		except OSError:
-			break
-		index += 1
-		if not version_pattern.match(version):
-			continue
-		targets = {}
-		for target,arch in all_ifort_platforms:
-			if target=='intel64':
-				targetDir='EM64T_NATIVE'
-			else:
-				targetDir=target
-			try:
-				Utils.winreg.OpenKey(all_versions,version+'\\'+targetDir)
-				icl_version=Utils.winreg.OpenKey(all_versions,version)
-				path,type=Utils.winreg.QueryValueEx(icl_version,'ProductDir')
-			except OSError:
-				pass
-			else:
-				batch_file=os.path.join(path,'bin','ifortvars.bat')
-				if os.path.isfile(batch_file):
-					targets[target] = target_compiler(conf, 'intel', arch, version, target, batch_file)
-
-		for target,arch in all_ifort_platforms:
-			try:
-				icl_version = Utils.winreg.OpenKey(all_versions, version+'\\'+target)
-				path,type = Utils.winreg.QueryValueEx(icl_version,'ProductDir')
-			except OSError:
-				continue
-			else:
-				batch_file=os.path.join(path,'bin','ifortvars.bat')
-				if os.path.isfile(batch_file):
-					targets[target] = target_compiler(conf, 'intel', arch, version, target, batch_file)
-		major = version[0:2]
-		versions['intel ' + major] = targets
-
-@conf
-def setup_ifort(conf, versiondict):
-	"""
-	Checks installed compilers and targets and returns the first combination from the user's
-	options, env, or the global supported lists that checks.
-
-	:param versiondict: dict(platform -> dict(architecture -> configuration))
-	:type versiondict: dict(string -> dict(string -> target_compiler)
-	:return: the compiler, revision, path, include dirs, library paths and target architecture
-	:rtype: tuple of strings
-	"""
-	platforms = Utils.to_list(conf.env.MSVC_TARGETS) or [i for i,j in all_ifort_platforms]
-	desired_versions = conf.env.MSVC_VERSIONS or list(reversed(list(versiondict.keys())))
-	for version in desired_versions:
-		try:
-			targets = versiondict[version]
-		except KeyError:
-			continue
-		for arch in platforms:
-			try:
-				cfg = targets[arch]
-			except KeyError:
-				continue
-			cfg.evaluate()
-			if cfg.is_valid:
-				compiler,revision = version.rsplit(' ', 1)
-				return compiler,revision,cfg.bindirs,cfg.incdirs,cfg.libdirs,cfg.cpu
-	conf.fatal('ifort: Impossible to find a valid architecture for building %r - %r' % (desired_versions, list(versiondict.keys())))
-
-@conf
-def get_ifort_version_win32(conf, compiler, version, target, vcvars):
-	# FIXME hack
-	try:
-		conf.msvc_cnt += 1
-	except AttributeError:
-		conf.msvc_cnt = 1
-	batfile = conf.bldnode.make_node('waf-print-msvc-%d.bat' % conf.msvc_cnt)
-	batfile.write("""@echo off
-set INCLUDE=
-set LIB=
-call "%s" %s
-echo PATH=%%PATH%%
-echo INCLUDE=%%INCLUDE%%
-echo LIB=%%LIB%%;%%LIBPATH%%
-""" % (vcvars,target))
-	sout = conf.cmd_and_log(['cmd.exe', '/E:on', '/V:on', '/C', batfile.abspath()])
-	batfile.delete()
-	lines = sout.splitlines()
-
-	if not lines[0]:
-		lines.pop(0)
-
-	MSVC_PATH = MSVC_INCDIR = MSVC_LIBDIR = None
-	for line in lines:
-		if line.startswith('PATH='):
-			path = line[5:]
-			MSVC_PATH = path.split(';')
-		elif line.startswith('INCLUDE='):
-			MSVC_INCDIR = [i for i in line[8:].split(';') if i]
-		elif line.startswith('LIB='):
-			MSVC_LIBDIR = [i for i in line[4:].split(';') if i]
-	if None in (MSVC_PATH, MSVC_INCDIR, MSVC_LIBDIR):
-		conf.fatal('ifort: Could not find a valid architecture for building (get_ifort_version_win32)')
-
-	# Check if the compiler is usable at all.
-	# The detection may return 64-bit versions even on 32-bit systems, and these would fail to run.
-	env = dict(os.environ)
-	env.update(PATH = path)
-	compiler_name, linker_name, lib_name = _get_prog_names(conf, compiler)
-	fc = conf.find_program(compiler_name, path_list=MSVC_PATH)
-
-	# delete CL if exists. because it could contain parameters which can change cl's behaviour rather catastrophically.
-	if 'CL' in env:
-		del(env['CL'])
-
-	try:
-		conf.cmd_and_log(fc + ['/help'], env=env)
-	except UnicodeError:
-		st = traceback.format_exc()
-		if conf.logger:
-			conf.logger.error(st)
-		conf.fatal('ifort: Unicode error - check the code page?')
-	except Exception as e:
-		Logs.debug('ifort: get_ifort_version: %r %r %r -> failure %s', compiler, version, target, str(e))
-		conf.fatal('ifort: cannot run the compiler in get_ifort_version (run with -v to display errors)')
-	else:
-		Logs.debug('ifort: get_ifort_version: %r %r %r -> OK', compiler, version, target)
-	finally:
-		conf.env[compiler_name] = ''
-
-	return (MSVC_PATH, MSVC_INCDIR, MSVC_LIBDIR)
-
-class target_compiler(object):
-	"""
-	Wraps a compiler configuration; call evaluate() to determine
-	whether the configuration is usable.
-	"""
-	def __init__(self, ctx, compiler, cpu, version, bat_target, bat, callback=None):
-		"""
-		:param ctx: configuration context to use to eventually get the version environment
-		:param compiler: compiler name
-		:param cpu: target cpu
-		:param version: compiler version number
-		:param bat_target: ?
-		:param bat: path to the batch file to run
-		:param callback: optional function to take the realized environment variables tup and map it (e.g. to combine other constant paths)
-		"""
-		self.conf = ctx
-		self.name = None
-		self.is_valid = False
-		self.is_done = False
-
-		self.compiler = compiler
-		self.cpu = cpu
-		self.version = version
-		self.bat_target = bat_target
-		self.bat = bat
-		self.callback = callback
-
-	def evaluate(self):
-		if self.is_done:
-			return
-		self.is_done = True
-		try:
-			vs = self.conf.get_ifort_version_win32(self.compiler, self.version, self.bat_target, self.bat)
-		except Errors.ConfigurationError:
-			self.is_valid = False
-			return
-		if self.callback:
-			vs = self.callback(self, vs)
-		self.is_valid = True
-		(self.bindirs, self.incdirs, self.libdirs) = vs
-
-	def __str__(self):
-		return str((self.bindirs, self.incdirs, self.libdirs))
-
-	def __repr__(self):
-		return repr((self.bindirs, self.incdirs, self.libdirs))
-
-@conf
-def detect_ifort(self):
-	return self.setup_ifort(self.get_ifort_versions(False))
-
-@conf
-def get_ifort_versions(self, eval_and_save=True):
-	"""
-	:return: platforms to compiler configurations
-	:rtype: dict
-	"""
-	dct = {}
-	self.gather_ifort_versions(dct)
-	return dct
-
-def _get_prog_names(self, compiler):
-	if compiler=='intel':
-		compiler_name = 'ifort'
-		linker_name = 'XILINK'
-		lib_name = 'XILIB'
-	else:
-		# assumes CL.exe
-		compiler_name = 'CL'
-		linker_name = 'LINK'
-		lib_name = 'LIB'
-	return compiler_name, linker_name, lib_name
-
-@conf
-def find_ifort_win32(conf):
-	# the autodetection is supposed to be performed before entering in this method
-	v = conf.env
-	path = v.PATH
-	compiler = v.MSVC_COMPILER
-	version = v.MSVC_VERSION
-
-	compiler_name, linker_name, lib_name = _get_prog_names(conf, compiler)
-	v.IFORT_MANIFEST = (compiler == 'intel' and version >= 11)
-
-	# compiler
-	fc = conf.find_program(compiler_name, var='FC', path_list=path)
-
-	# before setting anything, check if the compiler is really intel fortran
-	env = dict(conf.environ)
-	if path:
-		env.update(PATH = ';'.join(path))
-	if not conf.cmd_and_log(fc + ['/nologo', '/help'], env=env):
-		conf.fatal('not intel fortran compiler could not be identified')
-
-	v.FC_NAME = 'IFORT'
-
-	if not v.LINK_FC:
-		conf.find_program(linker_name, var='LINK_FC', path_list=path, mandatory=True)
-
-	if not v.AR:
-		conf.find_program(lib_name, path_list=path, var='AR', mandatory=True)
-		v.ARFLAGS = ['/nologo']
-
-	# manifest tool. Not required for VS 2003 and below. Must have for VS 2005 and later
-	if v.IFORT_MANIFEST:
-		conf.find_program('MT', path_list=path, var='MT')
-		v.MTFLAGS = ['/nologo']
-
-	try:
-		conf.load('winres')
-	except Errors.WafError:
-		Logs.warn('Resource compiler not found. Compiling resource file is disabled')
-
-#######################################################################################################
-##### conf above, build below
-
-@after_method('apply_link')
-@feature('fc')
-def apply_flags_ifort(self):
-	"""
-	Adds additional flags implied by msvc, such as subsystems and pdb files::
-
-		def build(bld):
-			bld.stlib(source='main.c', target='bar', subsystem='gruik')
-	"""
-	if not self.env.IFORT_WIN32 or not getattr(self, 'link_task', None):
-		return
-
-	is_static = isinstance(self.link_task, ccroot.stlink_task)
-
-	subsystem = getattr(self, 'subsystem', '')
-	if subsystem:
-		subsystem = '/subsystem:%s' % subsystem
-		flags = is_static and 'ARFLAGS' or 'LINKFLAGS'
-		self.env.append_value(flags, subsystem)
-
-	if not is_static:
-		for f in self.env.LINKFLAGS:
-			d = f.lower()
-			if d[1:] == 'debug':
-				pdbnode = self.link_task.outputs[0].change_ext('.pdb')
-				self.link_task.outputs.append(pdbnode)
-
-				if getattr(self, 'install_task', None):
-					self.pdb_install_task = self.add_install_files(install_to=self.install_task.install_to, install_from=pdbnode)
-
-				break
-
-@feature('fcprogram', 'fcshlib', 'fcprogram_test')
-@after_method('apply_link')
-def apply_manifest_ifort(self):
-	"""
-	Enables manifest embedding in Fortran DLLs when using ifort on Windows
-	See: http://msdn2.microsoft.com/en-us/library/ms235542(VS.80).aspx
-	"""
-	if self.env.IFORT_WIN32 and getattr(self, 'link_task', None):
-		# it seems ifort.exe cannot be called for linking
-		self.link_task.env.FC = self.env.LINK_FC
-
-	if self.env.IFORT_WIN32 and self.env.IFORT_MANIFEST and getattr(self, 'link_task', None):
-		out_node = self.link_task.outputs[0]
-		man_node = out_node.parent.find_or_declare(out_node.name + '.manifest')
-		self.link_task.outputs.append(man_node)
-		self.env.DO_MANIFEST = True
-
diff --git a/waflib/Tools/intltool.py b/waflib/Tools/intltool.py
deleted file mode 100644
index af95ba80..00000000
--- a/waflib/Tools/intltool.py
+++ /dev/null
@@ -1,231 +0,0 @@
-#!/usr/bin/env python
-# encoding: utf-8
-# Thomas Nagy, 2006-2018 (ita)
-
-"""
-Support for translation tools such as msgfmt and intltool
-
-Usage::
-
-	def configure(conf):
-		conf.load('gnu_dirs intltool')
-
-	def build(bld):
-		# process the .po files into .gmo files, and install them in LOCALEDIR
-		bld(features='intltool_po', appname='myapp', podir='po', install_path="${LOCALEDIR}")
-
-		# process an input file, substituting the translations from the po dir
-		bld(
-			features  = "intltool_in",
-			podir     = "../po",
-			style     = "desktop",
-			flags     = ["-u"],
-			source    = 'kupfer.desktop.in',
-			install_path = "${DATADIR}/applications",
-		)
-
-Usage of the :py:mod:`waflib.Tools.gnu_dirs` is recommended, but not obligatory.
-"""
-
-from __future__ import with_statement
-
-import os, re
-from waflib import Context, Task, Utils, Logs
-import waflib.Tools.ccroot
-from waflib.TaskGen import feature, before_method, taskgen_method
-from waflib.Logs import error
-from waflib.Configure import conf
-
-_style_flags = {
-	'ba': '-b',
-	'desktop': '-d',
-	'keys': '-k',
-	'quoted': '--quoted-style',
-	'quotedxml': '--quotedxml-style',
-	'rfc822deb': '-r',
-	'schemas': '-s',
-	'xml': '-x',
-}
-
-@taskgen_method
-def ensure_localedir(self):
-	"""
-	Expands LOCALEDIR from DATAROOTDIR/locale if possible, or falls back to PREFIX/share/locale
-	"""
-	# use the tool gnu_dirs to provide options to define this
-	if not self.env.LOCALEDIR:
-		if self.env.DATAROOTDIR:
-			self.env.LOCALEDIR = os.path.join(self.env.DATAROOTDIR, 'locale')
-		else:
-			self.env.LOCALEDIR = os.path.join(self.env.PREFIX, 'share', 'locale')
-
-@before_method('process_source')
-@feature('intltool_in')
-def apply_intltool_in_f(self):
-	"""
-	Creates tasks to translate files by intltool-merge::
-
-		def build(bld):
-			bld(
-				features  = "intltool_in",
-				podir     = "../po",
-				style     = "desktop",
-				flags     = ["-u"],
-				source    = 'kupfer.desktop.in',
-				install_path = "${DATADIR}/applications",
-			)
-
-	:param podir: location of the .po files
-	:type podir: string
-	:param source: source files to process
-	:type source: list of string
-	:param style: the intltool-merge mode of operation, can be one of the following values:
-	  ``ba``, ``desktop``, ``keys``, ``quoted``, ``quotedxml``, ``rfc822deb``, ``schemas`` and ``xml``.
-	  See the ``intltool-merge`` man page for more information about supported modes of operation.
-	:type style: string
-	:param flags: compilation flags ("-quc" by default)
-	:type flags: list of string
-	:param install_path: installation path
-	:type install_path: string
-	"""
-	try:
-		self.meths.remove('process_source')
-	except ValueError:
-		pass
-
-	self.ensure_localedir()
-
-	podir = getattr(self, 'podir', '.')
-	podirnode = self.path.find_dir(podir)
-	if not podirnode:
-		error("could not find the podir %r" % podir)
-		return
-
-	cache = getattr(self, 'intlcache', '.intlcache')
-	self.env.INTLCACHE = [os.path.join(str(self.path.get_bld()), podir, cache)]
-	self.env.INTLPODIR = podirnode.bldpath()
-	self.env.append_value('INTLFLAGS', getattr(self, 'flags', self.env.INTLFLAGS_DEFAULT))
-
-	if '-c' in self.env.INTLFLAGS:
-		self.bld.fatal('Redundant -c flag in intltool task %r' % self)
-
-	style = getattr(self, 'style', None)
-	if style:
-		try:
-			style_flag = _style_flags[style]
-		except KeyError:
-			self.bld.fatal('intltool_in style "%s" is not valid' % style)
-
-		self.env.append_unique('INTLFLAGS', [style_flag])
-
-	for i in self.to_list(self.source):
-		node = self.path.find_resource(i)
-
-		task = self.create_task('intltool', node, node.change_ext(''))
-		inst = getattr(self, 'install_path', None)
-		if inst:
-			self.add_install_files(install_to=inst, install_from=task.outputs)
-
-@feature('intltool_po')
-def apply_intltool_po(self):
-	"""
-	Creates tasks to process po files::
-
-		def build(bld):
-			bld(features='intltool_po', appname='myapp', podir='po', install_path="${LOCALEDIR}")
-
-	The relevant task generator arguments are:
-
-	:param podir: directory of the .po files
-	:type podir: string
-	:param appname: name of the application
-	:type appname: string
-	:param install_path: installation directory
-	:type install_path: string
-
-	The file LINGUAS must be present in the directory pointed by *podir* and list the translation files to process.
-	"""
-	try:
-		self.meths.remove('process_source')
-	except ValueError:
-		pass
-
-	self.ensure_localedir()
-
-	appname = getattr(self, 'appname', getattr(Context.g_module, Context.APPNAME, 'set_your_app_name'))
-	podir = getattr(self, 'podir', '.')
-	inst = getattr(self, 'install_path', '${LOCALEDIR}')
-
-	linguas = self.path.find_node(os.path.join(podir, 'LINGUAS'))
-	if linguas:
-		# scan LINGUAS file for locales to process
-		with open(linguas.abspath()) as f:
-			langs = []
-			for line in f.readlines():
-				# ignore lines containing comments
-				if not line.startswith('#'):
-					langs += line.split()
-		re_linguas = re.compile('[-a-zA-Z_@.]+')
-		for lang in langs:
-			# Make sure that we only process lines which contain locales
-			if re_linguas.match(lang):
-				node = self.path.find_resource(os.path.join(podir, re_linguas.match(lang).group() + '.po'))
-				task = self.create_task('po', node, node.change_ext('.mo'))
-
-				if inst:
-					filename = task.outputs[0].name
-					(langname, ext) = os.path.splitext(filename)
-					inst_file = inst + os.sep + langname + os.sep + 'LC_MESSAGES' + os.sep + appname + '.mo'
-					self.add_install_as(install_to=inst_file, install_from=task.outputs[0],
-						chmod=getattr(self, 'chmod', Utils.O644))
-
-	else:
-		Logs.pprint('RED', "Error no LINGUAS file found in po directory")
-
-class po(Task.Task):
-	"""
-	Compiles .po files into .gmo files
-	"""
-	run_str = '${MSGFMT} -o ${TGT} ${SRC}'
-	color   = 'BLUE'
-
-class intltool(Task.Task):
-	"""
-	Calls intltool-merge to update translation files
-	"""
-	run_str = '${INTLTOOL} ${INTLFLAGS} ${INTLCACHE_ST:INTLCACHE} ${INTLPODIR} ${SRC} ${TGT}'
-	color   = 'BLUE'
-
-@conf
-def find_msgfmt(conf):
-	"""
-	Detects msgfmt and sets the ``MSGFMT`` variable
-	"""
-	conf.find_program('msgfmt', var='MSGFMT')
-
-@conf
-def find_intltool_merge(conf):
-	"""
-	Detects intltool-merge
-	"""
-	if not conf.env.PERL:
-		conf.find_program('perl', var='PERL')
-	conf.env.INTLCACHE_ST = '--cache=%s'
-	conf.env.INTLFLAGS_DEFAULT = ['-q', '-u']
-	conf.find_program('intltool-merge', interpreter='PERL', var='INTLTOOL')
-
-def configure(conf):
-	"""
-	Detects the program *msgfmt* and set *conf.env.MSGFMT*.
-	Detects the program *intltool-merge* and set *conf.env.INTLTOOL*.
-	It is possible to set INTLTOOL in the environment, but it must not have spaces in it::
-
-		$ INTLTOOL="/path/to/the program/intltool" waf configure
-
-	If a C/C++ compiler is present, execute a compilation test to find the header *locale.h*.
-	"""
-	conf.find_msgfmt()
-	conf.find_intltool_merge()
-	if conf.env.CC or conf.env.CXX:
-		conf.check(header_name='locale.h')
-
diff --git a/waflib/Tools/irixcc.py b/waflib/Tools/irixcc.py
deleted file mode 100644
index c3ae1ac9..00000000
--- a/waflib/Tools/irixcc.py
+++ /dev/null
@@ -1,66 +0,0 @@
-#! /usr/bin/env python
-# encoding: utf-8
-# imported from samba
-
-"""
-Compiler definition for irix/MIPSpro cc compiler
-"""
-
-from waflib import Errors
-from waflib.Tools import ccroot, ar
-from waflib.Configure import conf
-
-@conf
-def find_irixcc(conf):
-	v = conf.env
-	cc = None
-	if v.CC:
-		cc = v.CC
-	elif 'CC' in conf.environ:
-		cc = conf.environ['CC']
-	if not cc:
-		cc = conf.find_program('cc', var='CC')
-	if not cc:
-		conf.fatal('irixcc was not found')
-
-	try:
-		conf.cmd_and_log(cc + ['-version'])
-	except Errors.WafError:
-		conf.fatal('%r -version could not be executed' % cc)
-
-	v.CC = cc
-	v.CC_NAME = 'irix'
-
-@conf
-def irixcc_common_flags(conf):
-	v = conf.env
-
-	v.CC_SRC_F            = ''
-	v.CC_TGT_F            = ['-c', '-o']
-	v.CPPPATH_ST          = '-I%s'
-	v.DEFINES_ST          = '-D%s'
-
-	if not v.LINK_CC:
-		v.LINK_CC = v.CC
-
-	v.CCLNK_SRC_F         = ''
-	v.CCLNK_TGT_F         = ['-o']
-
-	v.LIB_ST              = '-l%s' # template for adding libs
-	v.LIBPATH_ST          = '-L%s' # template for adding libpaths
-	v.STLIB_ST            = '-l%s'
-	v.STLIBPATH_ST        = '-L%s'
-
-	v.cprogram_PATTERN    = '%s'
-	v.cshlib_PATTERN      = 'lib%s.so'
-	v.cstlib_PATTERN      = 'lib%s.a'
-
-def configure(conf):
-	conf.find_irixcc()
-	conf.find_cpp()
-	conf.find_ar()
-	conf.irixcc_common_flags()
-	conf.cc_load_tools()
-	conf.cc_add_flags()
-	conf.link_add_flags()
-
diff --git a/waflib/Tools/javaw.py b/waflib/Tools/javaw.py
deleted file mode 100644
index 9daed395..00000000
--- a/waflib/Tools/javaw.py
+++ /dev/null
@@ -1,579 +0,0 @@
-#!/usr/bin/env python
-# encoding: utf-8
-# Thomas Nagy, 2006-2018 (ita)
-
-"""
-Java support
-
-Javac is one of the few compilers that behaves very badly:
-
-#. it outputs files where it wants to (-d is only for the package root)
-
-#. it recompiles files silently behind your back
-
-#. it outputs an undefined amount of files (inner classes)
-
-Remember that the compilation can be performed using Jython[1] rather than regular Python. Instead of
-running one of the following commands::
-
-   ./waf configure
-   python waf configure
-
-You would have to run::
-
-   java -jar /path/to/jython.jar waf configure
-
-[1] http://www.jython.org/
-
-Usage
-=====
-
-Load the "java" tool.
-
-def configure(conf):
-	conf.load('java')
-
-Java tools will be autodetected and eventually, if present, the quite
-standard JAVA_HOME environment variable will be used. The also standard
-CLASSPATH variable is used for library searching.
-
-In configuration phase checks can be done on the system environment, for
-example to check if a class is known in the classpath::
-
-	conf.check_java_class('java.io.FileOutputStream')
-
-or if the system supports JNI applications building::
-
-	conf.check_jni_headers()
-
-
-The java tool supports compiling java code, creating jar files and
-creating javadoc documentation. This can be either done separately or
-together in a single definition. For example to manage them separately::
-
-	bld(features  = 'javac',
-		srcdir    = 'src',
-		compat    = '1.7',
-		use       = 'animals',
-		name      = 'cats-src',
-	)
-
-	bld(features  = 'jar',
-		basedir   = '.',
-		destfile  = '../cats.jar',
-		name      = 'cats',
-		use       = 'cats-src'
-	)
-
-
-Or together by defining all the needed attributes::
-
-	bld(features   = 'javac jar javadoc',
-		srcdir     = 'src/',  # folder containing the sources to compile
-		outdir     = 'src',   # folder where to output the classes (in the build directory)
-		compat     = '1.6',   # java compatibility version number
-		classpath  = ['.', '..'],
-
-		# jar
-		basedir    = 'src', # folder containing the classes and other files to package (must match outdir)
-		destfile   = 'foo.jar', # do not put the destfile in the folder of the java classes!
-		use        = 'NNN',
-		jaropts    = ['-C', 'default/src/', '.'], # can be used to give files
-		manifest   = 'src/Manifest.mf', # Manifest file to include
-
-		# javadoc
-		javadoc_package = ['com.meow' , 'com.meow.truc.bar', 'com.meow.truc.foo'],
-		javadoc_output  = 'javadoc',
-	)
-
-External jar dependencies can be mapped to a standard waf "use" dependency by
-setting an environment variable with a CLASSPATH prefix in the configuration,
-for example::
-
-	conf.env.CLASSPATH_NNN = ['aaaa.jar', 'bbbb.jar']
-
-and then NNN can be freely used in rules as::
-
-	use        = 'NNN',
-
-In the java tool the dependencies via use are not transitive by default, as
-this necessity depends on the code. To enable recursive dependency scanning
-use on a specific rule:
-
-		recurse_use = True
-
-Or build-wise by setting RECURSE_JAVA:
-
-		bld.env.RECURSE_JAVA = True
-
-Unit tests can be integrated in the waf unit test environment using the javatest extra.
-"""
-
-import os, shutil
-from waflib import Task, Utils, Errors, Node
-from waflib.Configure import conf
-from waflib.TaskGen import feature, before_method, after_method, taskgen_method
-
-from waflib.Tools import ccroot
-ccroot.USELIB_VARS['javac'] = set(['CLASSPATH', 'JAVACFLAGS'])
-
-SOURCE_RE = '**/*.java'
-JAR_RE = '**/*'
-
-class_check_source = '''
-public class Test {
-	public static void main(String[] argv) {
-		Class lib;
-		if (argv.length < 1) {
-			System.err.println("Missing argument");
-			System.exit(77);
-		}
-		try {
-			lib = Class.forName(argv[0]);
-		} catch (ClassNotFoundException e) {
-			System.err.println("ClassNotFoundException");
-			System.exit(1);
-		}
-		lib = null;
-		System.exit(0);
-	}
-}
-'''
-
-@feature('javac')
-@before_method('process_source')
-def apply_java(self):
-	"""
-	Create a javac task for compiling *.java files*. There can be
-	only one javac task by task generator.
-	"""
-	Utils.def_attrs(self, jarname='', classpath='',
-		sourcepath='.', srcdir='.',
-		jar_mf_attributes={}, jar_mf_classpath=[])
-
-	outdir = getattr(self, 'outdir', None)
-	if outdir:
-		if not isinstance(outdir, Node.Node):
-			outdir = self.path.get_bld().make_node(self.outdir)
-	else:
-		outdir = self.path.get_bld()
-	outdir.mkdir()
-	self.outdir = outdir
-	self.env.OUTDIR = outdir.abspath()
-
-	self.javac_task = tsk = self.create_task('javac')
-	tmp = []
-
-	srcdir = getattr(self, 'srcdir', '')
-	if isinstance(srcdir, Node.Node):
-		srcdir = [srcdir]
-	for x in Utils.to_list(srcdir):
-		if isinstance(x, Node.Node):
-			y = x
-		else:
-			y = self.path.find_dir(x)
-			if not y:
-				self.bld.fatal('Could not find the folder %s from %s' % (x, self.path))
-		tmp.append(y)
-
-	tsk.srcdir = tmp
-
-	if getattr(self, 'compat', None):
-		tsk.env.append_value('JAVACFLAGS', ['-source', str(self.compat)])
-
-	if hasattr(self, 'sourcepath'):
-		fold = [isinstance(x, Node.Node) and x or self.path.find_dir(x) for x in self.to_list(self.sourcepath)]
-		names = os.pathsep.join([x.srcpath() for x in fold])
-	else:
-		names = [x.srcpath() for x in tsk.srcdir]
-
-	if names:
-		tsk.env.append_value('JAVACFLAGS', ['-sourcepath', names])
-
-
-@taskgen_method
-def java_use_rec(self, name, **kw):
-	"""
-	Processes recursively the *use* attribute for each referred java compilation
-	"""
-	if name in self.tmp_use_seen:
-		return
-
-	self.tmp_use_seen.append(name)
-
-	try:
-		y = self.bld.get_tgen_by_name(name)
-	except Errors.WafError:
-		self.uselib.append(name)
-		return
-	else:
-		y.post()
-		# Add generated JAR name for CLASSPATH. Task ordering (set_run_after)
-		# is already guaranteed by ordering done between the single tasks
-		if hasattr(y, 'jar_task'):
-			self.use_lst.append(y.jar_task.outputs[0].abspath())
-
-	for x in self.to_list(getattr(y, 'use', [])):
-		self.java_use_rec(x)
-
-@feature('javac')
-@before_method('propagate_uselib_vars')
-@after_method('apply_java')
-def use_javac_files(self):
-	"""
-	Processes the *use* attribute referring to other java compilations
-	"""
-	self.use_lst = []
-	self.tmp_use_seen = []
-	self.uselib = self.to_list(getattr(self, 'uselib', []))
-	names = self.to_list(getattr(self, 'use', []))
-	get = self.bld.get_tgen_by_name
-	for x in names:
-		try:
-			y = get(x)
-		except Errors.WafError:
-			self.uselib.append(x)
-		else:
-			y.post()
-			if hasattr(y, 'jar_task'):
-				self.use_lst.append(y.jar_task.outputs[0].abspath())
-				self.javac_task.set_run_after(y.jar_task)
-			else:
-				for tsk in y.tasks:
-					self.javac_task.set_run_after(tsk)
-
-		# If recurse use scan is enabled recursively add use attribute for each used one
-		if getattr(self, 'recurse_use', False) or self.bld.env.RECURSE_JAVA:
-			self.java_use_rec(x)
-
-	self.env.append_value('CLASSPATH', self.use_lst)
-
-@feature('javac')
-@after_method('apply_java', 'propagate_uselib_vars', 'use_javac_files')
-def set_classpath(self):
-	"""
-	Sets the CLASSPATH value on the *javac* task previously created.
-	"""
-	if getattr(self, 'classpath', None):
-		self.env.append_unique('CLASSPATH', getattr(self, 'classpath', []))
-	for x in self.tasks:
-		x.env.CLASSPATH = os.pathsep.join(self.env.CLASSPATH) + os.pathsep
-
-@feature('jar')
-@after_method('apply_java', 'use_javac_files')
-@before_method('process_source')
-def jar_files(self):
-	"""
-	Creates a jar task (one maximum per task generator)
-	"""
-	destfile = getattr(self, 'destfile', 'test.jar')
-	jaropts = getattr(self, 'jaropts', [])
-	manifest = getattr(self, 'manifest', None)
-
-	basedir = getattr(self, 'basedir', None)
-	if basedir:
-		if not isinstance(self.basedir, Node.Node):
-			basedir = self.path.get_bld().make_node(basedir)
-	else:
-		basedir = self.path.get_bld()
-	if not basedir:
-		self.bld.fatal('Could not find the basedir %r for %r' % (self.basedir, self))
-
-	self.jar_task = tsk = self.create_task('jar_create')
-	if manifest:
-		jarcreate = getattr(self, 'jarcreate', 'cfm')
-		if not isinstance(manifest,Node.Node):
-			node = self.path.find_resource(manifest)
-		else:
-			node = manifest
-		if not node:
-			self.bld.fatal('invalid manifest file %r for %r' % (manifest, self))
-		tsk.dep_nodes.append(node)
-		jaropts.insert(0, node.abspath())
-	else:
-		jarcreate = getattr(self, 'jarcreate', 'cf')
-	if not isinstance(destfile, Node.Node):
-		destfile = self.path.find_or_declare(destfile)
-	if not destfile:
-		self.bld.fatal('invalid destfile %r for %r' % (destfile, self))
-	tsk.set_outputs(destfile)
-	tsk.basedir = basedir
-
-	jaropts.append('-C')
-	jaropts.append(basedir.bldpath())
-	jaropts.append('.')
-
-	tsk.env.JAROPTS = jaropts
-	tsk.env.JARCREATE = jarcreate
-
-	if getattr(self, 'javac_task', None):
-		tsk.set_run_after(self.javac_task)
-
-@feature('jar')
-@after_method('jar_files')
-def use_jar_files(self):
-	"""
-	Processes the *use* attribute to set the build order on the
-	tasks created by another task generator.
-	"""
-	self.uselib = self.to_list(getattr(self, 'uselib', []))
-	names = self.to_list(getattr(self, 'use', []))
-	get = self.bld.get_tgen_by_name
-	for x in names:
-		try:
-			y = get(x)
-		except Errors.WafError:
-			self.uselib.append(x)
-		else:
-			y.post()
-			self.jar_task.run_after.update(y.tasks)
-
-class JTask(Task.Task):
-	"""
-	Base class for java and jar tasks; provides functionality to run long commands
-	"""
-	def split_argfile(self, cmd):
-		inline = [cmd[0]]
-		infile = []
-		for x in cmd[1:]:
-			# jar and javac do not want -J flags in @file
-			if x.startswith('-J'):
-				inline.append(x)
-			else:
-				infile.append(self.quote_flag(x))
-		return (inline, infile)
-
-class jar_create(JTask):
-	"""
-	Creates a jar file
-	"""
-	color   = 'GREEN'
-	run_str = '${JAR} ${JARCREATE} ${TGT} ${JAROPTS}'
-
-	def runnable_status(self):
-		"""
-		Wait for dependent tasks to be executed, then read the
-		files to update the list of inputs.
-		"""
-		for t in self.run_after:
-			if not t.hasrun:
-				return Task.ASK_LATER
-		if not self.inputs:
-			try:
-				self.inputs = [x for x in self.basedir.ant_glob(JAR_RE, remove=False, quiet=True) if id(x) != id(self.outputs[0])]
-			except Exception:
-				raise Errors.WafError('Could not find the basedir %r for %r' % (self.basedir, self))
-		return super(jar_create, self).runnable_status()
-
-class javac(JTask):
-	"""
-	Compiles java files
-	"""
-	color   = 'BLUE'
-	run_str = '${JAVAC} -classpath ${CLASSPATH} -d ${OUTDIR} ${JAVACFLAGS} ${SRC}'
-	vars = ['CLASSPATH', 'JAVACFLAGS', 'JAVAC', 'OUTDIR']
-	"""
-	The javac task will be executed again if the variables CLASSPATH, JAVACFLAGS, JAVAC or OUTDIR change.
-	"""
-	def uid(self):
-		"""Identify java tasks by input&output folder"""
-		lst = [self.__class__.__name__, self.generator.outdir.abspath()]
-		for x in self.srcdir:
-			lst.append(x.abspath())
-		return Utils.h_list(lst)
-
-	def runnable_status(self):
-		"""
-		Waits for dependent tasks to be complete, then read the file system to find the input nodes.
-		"""
-		for t in self.run_after:
-			if not t.hasrun:
-				return Task.ASK_LATER
-
-		if not self.inputs:
-			self.inputs  = []
-			for x in self.srcdir:
-				if x.exists():
-					self.inputs.extend(x.ant_glob(SOURCE_RE, remove=False, quiet=True))
-		return super(javac, self).runnable_status()
-
-	def post_run(self):
-		"""
-		List class files created
-		"""
-		for node in self.generator.outdir.ant_glob('**/*.class', quiet=True):
-			self.generator.bld.node_sigs[node] = self.uid()
-		self.generator.bld.task_sigs[self.uid()] = self.cache_sig
-
-@feature('javadoc')
-@after_method('process_rule')
-def create_javadoc(self):
-	"""
-	Creates a javadoc task (feature 'javadoc')
-	"""
-	tsk = self.create_task('javadoc')
-	tsk.classpath = getattr(self, 'classpath', [])
-	self.javadoc_package = Utils.to_list(self.javadoc_package)
-	if not isinstance(self.javadoc_output, Node.Node):
-		self.javadoc_output = self.bld.path.find_or_declare(self.javadoc_output)
-
-class javadoc(Task.Task):
-	"""
-	Builds java documentation
-	"""
-	color = 'BLUE'
-
-	def __str__(self):
-		return '%s: %s -> %s\n' % (self.__class__.__name__, self.generator.srcdir, self.generator.javadoc_output)
-
-	def run(self):
-		env = self.env
-		bld = self.generator.bld
-		wd = bld.bldnode
-
-		#add src node + bld node (for generated java code)
-		srcpath = self.generator.path.abspath() + os.sep + self.generator.srcdir
-		srcpath += os.pathsep
-		srcpath += self.generator.path.get_bld().abspath() + os.sep + self.generator.srcdir
-
-		classpath = env.CLASSPATH
-		classpath += os.pathsep
-		classpath += os.pathsep.join(self.classpath)
-		classpath = "".join(classpath)
-
-		self.last_cmd = lst = []
-		lst.extend(Utils.to_list(env.JAVADOC))
-		lst.extend(['-d', self.generator.javadoc_output.abspath()])
-		lst.extend(['-sourcepath', srcpath])
-		lst.extend(['-classpath', classpath])
-		lst.extend(['-subpackages'])
-		lst.extend(self.generator.javadoc_package)
-		lst = [x for x in lst if x]
-
-		self.generator.bld.cmd_and_log(lst, cwd=wd, env=env.env or None, quiet=0)
-
-	def post_run(self):
-		nodes = self.generator.javadoc_output.ant_glob('**', quiet=True)
-		for node in nodes:
-			self.generator.bld.node_sigs[node] = self.uid()
-		self.generator.bld.task_sigs[self.uid()] = self.cache_sig
-
-def configure(self):
-	"""
-	Detects the javac, java and jar programs
-	"""
-	# If JAVA_PATH is set, we prepend it to the path list
-	java_path = self.environ['PATH'].split(os.pathsep)
-	v = self.env
-
-	if 'JAVA_HOME' in self.environ:
-		java_path = [os.path.join(self.environ['JAVA_HOME'], 'bin')] + java_path
-		self.env.JAVA_HOME = [self.environ['JAVA_HOME']]
-
-	for x in 'javac java jar javadoc'.split():
-		self.find_program(x, var=x.upper(), path_list=java_path)
-
-	if 'CLASSPATH' in self.environ:
-		v.CLASSPATH = self.environ['CLASSPATH']
-
-	if not v.JAR:
-		self.fatal('jar is required for making java packages')
-	if not v.JAVAC:
-		self.fatal('javac is required for compiling java classes')
-
-	v.JARCREATE = 'cf' # can use cvf
-	v.JAVACFLAGS = []
-
-@conf
-def check_java_class(self, classname, with_classpath=None):
-	"""
-	Checks if the specified java class exists
-
-	:param classname: class to check, like java.util.HashMap
-	:type classname: string
-	:param with_classpath: additional classpath to give
-	:type with_classpath: string
-	"""
-	javatestdir = '.waf-javatest'
-
-	classpath = javatestdir
-	if self.env.CLASSPATH:
-		classpath += os.pathsep + self.env.CLASSPATH
-	if isinstance(with_classpath, str):
-		classpath += os.pathsep + with_classpath
-
-	shutil.rmtree(javatestdir, True)
-	os.mkdir(javatestdir)
-
-	Utils.writef(os.path.join(javatestdir, 'Test.java'), class_check_source)
-
-	# Compile the source
-	self.exec_command(self.env.JAVAC + [os.path.join(javatestdir, 'Test.java')], shell=False)
-
-	# Try to run the app
-	cmd = self.env.JAVA + ['-cp', classpath, 'Test', classname]
-	self.to_log("%s\n" % str(cmd))
-	found = self.exec_command(cmd, shell=False)
-
-	self.msg('Checking for java class %s' % classname, not found)
-
-	shutil.rmtree(javatestdir, True)
-
-	return found
-
-@conf
-def check_jni_headers(conf):
-	"""
-	Checks for jni headers and libraries. On success the conf.env variables xxx_JAVA are added for use in C/C++ targets::
-
-		def options(opt):
-			opt.load('compiler_c')
-
-		def configure(conf):
-			conf.load('compiler_c java')
-			conf.check_jni_headers()
-
-		def build(bld):
-			bld.shlib(source='a.c', target='app', use='JAVA')
-	"""
-	if not conf.env.CC_NAME and not conf.env.CXX_NAME:
-		conf.fatal('load a compiler first (gcc, g++, ..)')
-
-	if not conf.env.JAVA_HOME:
-		conf.fatal('set JAVA_HOME in the system environment')
-
-	# jni requires the jvm
-	javaHome = conf.env.JAVA_HOME[0]
-
-	dir = conf.root.find_dir(conf.env.JAVA_HOME[0] + '/include')
-	if dir is None:
-		dir = conf.root.find_dir(conf.env.JAVA_HOME[0] + '/../Headers') # think different?!
-	if dir is None:
-		conf.fatal('JAVA_HOME does not seem to be set properly')
-
-	f = dir.ant_glob('**/(jni|jni_md).h')
-	incDirs = [x.parent.abspath() for x in f]
-
-	dir = conf.root.find_dir(conf.env.JAVA_HOME[0])
-	f = dir.ant_glob('**/*jvm.(so|dll|dylib)')
-	libDirs = [x.parent.abspath() for x in f] or [javaHome]
-
-	# On windows, we need both the .dll and .lib to link.  On my JDK, they are
-	# in different directories...
-	f = dir.ant_glob('**/*jvm.(lib)')
-	if f:
-		libDirs = [[x, y.parent.abspath()] for x in libDirs for y in f]
-
-	if conf.env.DEST_OS == 'freebsd':
-		conf.env.append_unique('LINKFLAGS_JAVA', '-pthread')
-	for d in libDirs:
-		try:
-			conf.check(header_name='jni.h', define_name='HAVE_JNI_H', lib='jvm',
-				libpath=d, includes=incDirs, uselib_store='JAVA', uselib='JAVA')
-		except Exception:
-			pass
-		else:
-			break
-	else:
-		conf.fatal('could not find lib jvm in %r (see config.log)' % libDirs)
-
diff --git a/waflib/Tools/ldc2.py b/waflib/Tools/ldc2.py
deleted file mode 100644
index a51c344b..00000000
--- a/waflib/Tools/ldc2.py
+++ /dev/null
@@ -1,56 +0,0 @@
-#!/usr/bin/env python
-# encoding: utf-8
-# Alex Rønne Petersen, 2012 (alexrp/Zor)
-
-from waflib.Tools import ar, d
-from waflib.Configure import conf
-
-@conf
-def find_ldc2(conf):
-	"""
-	Finds the program *ldc2* and set the variable *D*
-	"""
-	conf.find_program(['ldc2'], var='D')
-
-	out = conf.cmd_and_log(conf.env.D + ['-version'])
-	if out.find("based on DMD v2.") == -1:
-		conf.fatal("detected compiler is not ldc2")
-
-@conf
-def common_flags_ldc2(conf):
-	"""
-	Sets the D flags required by *ldc2*
-	"""
-	v = conf.env
-
-	v.D_SRC_F           = ['-c']
-	v.D_TGT_F           = '-of%s'
-
-	v.D_LINKER          = v.D
-	v.DLNK_SRC_F        = ''
-	v.DLNK_TGT_F        = '-of%s'
-	v.DINC_ST           = '-I%s'
-
-	v.DSHLIB_MARKER = v.DSTLIB_MARKER = ''
-	v.DSTLIB_ST = v.DSHLIB_ST         = '-L-l%s'
-	v.DSTLIBPATH_ST = v.DLIBPATH_ST   = '-L-L%s'
-
-	v.LINKFLAGS_dshlib  = ['-L-shared']
-
-	v.DHEADER_ext       = '.di'
-	v.DFLAGS_d_with_header = ['-H', '-Hf']
-	v.D_HDR_F           = '%s'
-
-	v.LINKFLAGS     = []
-	v.DFLAGS_dshlib = ['-relocation-model=pic']
-
-def configure(conf):
-	"""
-	Configuration for *ldc2*
-	"""
-	conf.find_ldc2()
-	conf.load('ar')
-	conf.load('d')
-	conf.common_flags_ldc2()
-	conf.d_platform_flags()
-
diff --git a/waflib/Tools/lua.py b/waflib/Tools/lua.py
deleted file mode 100644
index 15a333a9..00000000
--- a/waflib/Tools/lua.py
+++ /dev/null
@@ -1,38 +0,0 @@
-#!/usr/bin/env python
-# encoding: utf-8
-# Sebastian Schlingmann, 2008
-# Thomas Nagy, 2008-2018 (ita)
-
-"""
-Lua support.
-
-Compile *.lua* files into *.luac*::
-
-	def configure(conf):
-		conf.load('lua')
-		conf.env.LUADIR = '/usr/local/share/myapp/scripts/'
-	def build(bld):
-		bld(source='foo.lua')
-"""
-
-from waflib.TaskGen import extension
-from waflib import Task
-
-@extension('.lua')
-def add_lua(self, node):
-	tsk = self.create_task('luac', node, node.change_ext('.luac'))
-	inst_to = getattr(self, 'install_path', self.env.LUADIR and '${LUADIR}' or None)
-	if inst_to:
-		self.add_install_files(install_to=inst_to, install_from=tsk.outputs)
-	return tsk
-
-class luac(Task.Task):
-	run_str = '${LUAC} -s -o ${TGT} ${SRC}'
-	color   = 'PINK'
-
-def configure(conf):
-	"""
-	Detect the luac compiler and set *conf.env.LUAC*
-	"""
-	conf.find_program('luac', var='LUAC')
-
diff --git a/waflib/Tools/md5_tstamp.py b/waflib/Tools/md5_tstamp.py
deleted file mode 100644
index 2a587925..00000000
--- a/waflib/Tools/md5_tstamp.py
+++ /dev/null
@@ -1,38 +0,0 @@
-#! /usr/bin/env python
-# encoding: utf-8
-
-"""
-Re-calculate md5 hashes of files only when the file time have changed.
-
-The hashes can also reflect either the file contents (STRONGEST=True) or the
-file time and file size.
-
-The performance benefits of this module are usually insignificant.
-"""
-
-import os, stat
-from waflib import Utils, Build, Node
-
-STRONGEST = True
-
-Build.SAVED_ATTRS.append('hashes_md5_tstamp')
-def h_file(self):
-	filename = self.abspath()
-	st = os.stat(filename)
-
-	cache = self.ctx.hashes_md5_tstamp
-	if filename in cache and cache[filename][0] == st.st_mtime:
-		return cache[filename][1]
-
-	if STRONGEST:
-		ret = Utils.h_file(filename)
-	else:
-		if stat.S_ISDIR(st[stat.ST_MODE]):
-			raise IOError('Not a file')
-		ret = Utils.md5(str((st.st_mtime, st.st_size)).encode()).digest()
-
-	cache[filename] = (st.st_mtime, ret)
-	return ret
-h_file.__doc__ = Node.Node.h_file.__doc__
-Node.Node.h_file = h_file
-
diff --git a/waflib/Tools/msvc.py b/waflib/Tools/msvc.py
deleted file mode 100644
index ff58449d..00000000
--- a/waflib/Tools/msvc.py
+++ /dev/null
@@ -1,1020 +0,0 @@
-#!/usr/bin/env python
-# encoding: utf-8
-# Carlos Rafael Giani, 2006 (dv)
-# Tamas Pal, 2007 (folti)
-# Nicolas Mercier, 2009
-# Matt Clarkson, 2012
-
-"""
-Microsoft Visual C++/Intel C++ compiler support
-
-If you get detection problems, first try any of the following::
-
-	chcp 65001
-	set PYTHONIOENCODING=...
-	set PYTHONLEGACYWINDOWSSTDIO=1
-
-Usage::
-
-	$ waf configure --msvc_version="msvc 10.0,msvc 9.0" --msvc_target="x64"
-
-or::
-
-	def configure(conf):
-		conf.env.MSVC_VERSIONS = ['msvc 10.0', 'msvc 9.0', 'msvc 8.0', 'msvc 7.1', 'msvc 7.0', 'msvc 6.0', 'wsdk 7.0', 'intel 11', 'PocketPC 9.0', 'Smartphone 8.0']
-		conf.env.MSVC_TARGETS = ['x64']
-		conf.load('msvc')
-
-or::
-
-	def configure(conf):
-		conf.load('msvc', funs='no_autodetect')
-		conf.check_lib_msvc('gdi32')
-		conf.check_libs_msvc('kernel32 user32')
-	def build(bld):
-		tg = bld.program(source='main.c', target='app', use='KERNEL32 USER32 GDI32')
-
-Platforms and targets will be tested in the order they appear;
-the first good configuration will be used.
-
-To force testing all the configurations that are not used, use the ``--no-msvc-lazy`` option
-or set ``conf.env.MSVC_LAZY_AUTODETECT=False``.
-
-Supported platforms: ia64, x64, x86, x86_amd64, x86_ia64, x86_arm, amd64_x86, amd64_arm
-
-Compilers supported:
-
-* msvc       => Visual Studio, versions 6.0 (VC 98, VC .NET 2002) to 15 (Visual Studio 2017)
-* wsdk       => Windows SDK, versions 6.0, 6.1, 7.0, 7.1, 8.0
-* icl        => Intel compiler, versions 9, 10, 11, 13
-* winphone   => Visual Studio to target Windows Phone 8 native (version 8.0 for now)
-* Smartphone => Compiler/SDK for Smartphone devices (armv4/v4i)
-* PocketPC   => Compiler/SDK for PocketPC devices (armv4/v4i)
-
-To use WAF in a VS2008 Make file project (see http://code.google.com/p/waf/issues/detail?id=894)
-You may consider to set the environment variable "VS_UNICODE_OUTPUT" to nothing before calling waf.
-So in your project settings use something like 'cmd.exe /C "set VS_UNICODE_OUTPUT=& set PYTHONUNBUFFERED=true & waf build"'.
-cmd.exe  /C  "chcp 1252 & set PYTHONUNBUFFERED=true && set && waf  configure"
-Setting PYTHONUNBUFFERED gives the unbuffered output.
-"""
-
-import os, sys, re, traceback
-from waflib import Utils, Logs, Options, Errors
-from waflib.TaskGen import after_method, feature
-
-from waflib.Configure import conf
-from waflib.Tools import ccroot, c, cxx, ar
-
-g_msvc_systemlibs = '''
-aclui activeds ad1 adptif adsiid advapi32 asycfilt authz bhsupp bits bufferoverflowu cabinet
-cap certadm certidl ciuuid clusapi comctl32 comdlg32 comsupp comsuppd comsuppw comsuppwd comsvcs
-credui crypt32 cryptnet cryptui d3d8thk daouuid dbgeng dbghelp dciman32 ddao35 ddao35d
-ddao35u ddao35ud delayimp dhcpcsvc dhcpsapi dlcapi dnsapi dsprop dsuiext dtchelp
-faultrep fcachdll fci fdi framedyd framedyn gdi32 gdiplus glauxglu32 gpedit gpmuuid
-gtrts32w gtrtst32hlink htmlhelp httpapi icm32 icmui imagehlp imm32 iphlpapi iprop
-kernel32 ksguid ksproxy ksuser libcmt libcmtd libcpmt libcpmtd loadperf lz32 mapi
-mapi32 mgmtapi minidump mmc mobsync mpr mprapi mqoa mqrt msacm32 mscms mscoree
-msdasc msimg32 msrating mstask msvcmrt msvcurt msvcurtd mswsock msxml2 mtx mtxdm
-netapi32 nmapinmsupp npptools ntdsapi ntdsbcli ntmsapi ntquery odbc32 odbcbcp
-odbccp32 oldnames ole32 oleacc oleaut32 oledb oledlgolepro32 opends60 opengl32
-osptk parser pdh penter pgobootrun pgort powrprof psapi ptrustm ptrustmd ptrustu
-ptrustud qosname rasapi32 rasdlg rassapi resutils riched20 rpcndr rpcns4 rpcrt4 rtm
-rtutils runtmchk scarddlg scrnsave scrnsavw secur32 sensapi setupapi sfc shell32
-shfolder shlwapi sisbkup snmpapi sporder srclient sti strsafe svcguid tapi32 thunk32
-traffic unicows url urlmon user32 userenv usp10 uuid uxtheme vcomp vcompd vdmdbg
-version vfw32 wbemuuid  webpost wiaguid wininet winmm winscard winspool winstrm
-wintrust wldap32 wmiutils wow32 ws2_32 wsnmp32 wsock32 wst wtsapi32 xaswitch xolehlp
-'''.split()
-"""importlibs provided by MSVC/Platform SDK. Do NOT search them"""
-
-all_msvc_platforms = [	('x64', 'amd64'), ('x86', 'x86'), ('ia64', 'ia64'),
-						('x86_amd64', 'amd64'), ('x86_ia64', 'ia64'), ('x86_arm', 'arm'), ('x86_arm64', 'arm64'),
-						('amd64_x86', 'x86'), ('amd64_arm', 'arm'), ('amd64_arm64', 'arm64') ]
-"""List of msvc platforms"""
-
-all_wince_platforms = [ ('armv4', 'arm'), ('armv4i', 'arm'), ('mipsii', 'mips'), ('mipsii_fp', 'mips'), ('mipsiv', 'mips'), ('mipsiv_fp', 'mips'), ('sh4', 'sh'), ('x86', 'cex86') ]
-"""List of wince platforms"""
-
-all_icl_platforms = [ ('intel64', 'amd64'), ('em64t', 'amd64'), ('ia32', 'x86'), ('Itanium', 'ia64')]
-"""List of icl platforms"""
-
-def options(opt):
-	opt.add_option('--msvc_version', type='string', help = 'msvc version, eg: "msvc 10.0,msvc 9.0"', default='')
-	opt.add_option('--msvc_targets', type='string', help = 'msvc targets, eg: "x64,arm"', default='')
-	opt.add_option('--no-msvc-lazy', action='store_false', help = 'lazily check msvc target environments', default=True, dest='msvc_lazy')
-
-@conf
-def setup_msvc(conf, versiondict):
-	"""
-	Checks installed compilers and targets and returns the first combination from the user's
-	options, env, or the global supported lists that checks.
-
-	:param versiondict: dict(platform -> dict(architecture -> configuration))
-	:type versiondict: dict(string -> dict(string -> target_compiler)
-	:return: the compiler, revision, path, include dirs, library paths and target architecture
-	:rtype: tuple of strings
-	"""
-	platforms = getattr(Options.options, 'msvc_targets', '').split(',')
-	if platforms == ['']:
-		platforms=Utils.to_list(conf.env.MSVC_TARGETS) or [i for i,j in all_msvc_platforms+all_icl_platforms+all_wince_platforms]
-	desired_versions = getattr(Options.options, 'msvc_version', '').split(',')
-	if desired_versions == ['']:
-		desired_versions = conf.env.MSVC_VERSIONS or list(reversed(sorted(versiondict.keys())))
-
-	# Override lazy detection by evaluating after the fact.
-	lazy_detect = getattr(Options.options, 'msvc_lazy', True)
-	if conf.env.MSVC_LAZY_AUTODETECT is False:
-		lazy_detect = False
-
-	if not lazy_detect:
-		for val in versiondict.values():
-			for arch in list(val.keys()):
-				cfg = val[arch]
-				cfg.evaluate()
-				if not cfg.is_valid:
-					del val[arch]
-		conf.env.MSVC_INSTALLED_VERSIONS = versiondict
-
-	for version in desired_versions:
-		Logs.debug('msvc: detecting %r - %r', version, desired_versions)
-		try:
-			targets = versiondict[version]
-		except KeyError:
-			continue
-
-		seen = set()
-		for arch in platforms:
-			if arch in seen:
-				continue
-			else:
-				seen.add(arch)
-			try:
-				cfg = targets[arch]
-			except KeyError:
-				continue
-
-			cfg.evaluate()
-			if cfg.is_valid:
-				compiler,revision = version.rsplit(' ', 1)
-				return compiler,revision,cfg.bindirs,cfg.incdirs,cfg.libdirs,cfg.cpu
-	conf.fatal('msvc: Impossible to find a valid architecture for building %r - %r' % (desired_versions, list(versiondict.keys())))
-
-@conf
-def get_msvc_version(conf, compiler, version, target, vcvars):
-	"""
-	Checks that an installed compiler actually runs and uses vcvars to obtain the
-	environment needed by the compiler.
-
-	:param compiler: compiler type, for looking up the executable name
-	:param version: compiler version, for debugging only
-	:param target: target architecture
-	:param vcvars: batch file to run to check the environment
-	:return: the location of the compiler executable, the location of include dirs, and the library paths
-	:rtype: tuple of strings
-	"""
-	Logs.debug('msvc: get_msvc_version: %r %r %r', compiler, version, target)
-
-	try:
-		conf.msvc_cnt += 1
-	except AttributeError:
-		conf.msvc_cnt = 1
-	batfile = conf.bldnode.make_node('waf-print-msvc-%d.bat' % conf.msvc_cnt)
-	batfile.write("""@echo off
-set INCLUDE=
-set LIB=
-call "%s" %s
-echo PATH=%%PATH%%
-echo INCLUDE=%%INCLUDE%%
-echo LIB=%%LIB%%;%%LIBPATH%%
-""" % (vcvars,target))
-	sout = conf.cmd_and_log(['cmd.exe', '/E:on', '/V:on', '/C', batfile.abspath()])
-	lines = sout.splitlines()
-
-	if not lines[0]:
-		lines.pop(0)
-
-	MSVC_PATH = MSVC_INCDIR = MSVC_LIBDIR = None
-	for line in lines:
-		if line.startswith('PATH='):
-			path = line[5:]
-			MSVC_PATH = path.split(';')
-		elif line.startswith('INCLUDE='):
-			MSVC_INCDIR = [i for i in line[8:].split(';') if i]
-		elif line.startswith('LIB='):
-			MSVC_LIBDIR = [i for i in line[4:].split(';') if i]
-	if None in (MSVC_PATH, MSVC_INCDIR, MSVC_LIBDIR):
-		conf.fatal('msvc: Could not find a valid architecture for building (get_msvc_version_3)')
-
-	# Check if the compiler is usable at all.
-	# The detection may return 64-bit versions even on 32-bit systems, and these would fail to run.
-	env = dict(os.environ)
-	env.update(PATH = path)
-	compiler_name, linker_name, lib_name = _get_prog_names(conf, compiler)
-	cxx = conf.find_program(compiler_name, path_list=MSVC_PATH)
-
-	# delete CL if exists. because it could contain parameters which can change cl's behaviour rather catastrophically.
-	if 'CL' in env:
-		del(env['CL'])
-
-	try:
-		conf.cmd_and_log(cxx + ['/help'], env=env)
-	except UnicodeError:
-		st = traceback.format_exc()
-		if conf.logger:
-			conf.logger.error(st)
-		conf.fatal('msvc: Unicode error - check the code page?')
-	except Exception as e:
-		Logs.debug('msvc: get_msvc_version: %r %r %r -> failure %s', compiler, version, target, str(e))
-		conf.fatal('msvc: cannot run the compiler in get_msvc_version (run with -v to display errors)')
-	else:
-		Logs.debug('msvc: get_msvc_version: %r %r %r -> OK', compiler, version, target)
-	finally:
-		conf.env[compiler_name] = ''
-
-	return (MSVC_PATH, MSVC_INCDIR, MSVC_LIBDIR)
-
-def gather_wince_supported_platforms():
-	"""
-	Checks SmartPhones SDKs
-
-	:param versions: list to modify
-	:type versions: list
-	"""
-	supported_wince_platforms = []
-	try:
-		ce_sdk = Utils.winreg.OpenKey(Utils.winreg.HKEY_LOCAL_MACHINE, 'SOFTWARE\\Wow6432node\\Microsoft\\Windows CE Tools\\SDKs')
-	except OSError:
-		try:
-			ce_sdk = Utils.winreg.OpenKey(Utils.winreg.HKEY_LOCAL_MACHINE, 'SOFTWARE\\Microsoft\\Windows CE Tools\\SDKs')
-		except OSError:
-			ce_sdk = ''
-	if not ce_sdk:
-		return supported_wince_platforms
-
-	index = 0
-	while 1:
-		try:
-			sdk_device = Utils.winreg.EnumKey(ce_sdk, index)
-			sdk = Utils.winreg.OpenKey(ce_sdk, sdk_device)
-		except OSError:
-			break
-		index += 1
-		try:
-			path,type = Utils.winreg.QueryValueEx(sdk, 'SDKRootDir')
-		except OSError:
-			try:
-				path,type = Utils.winreg.QueryValueEx(sdk,'SDKInformation')
-			except OSError:
-				continue
-			path,xml = os.path.split(path)
-		path = str(path)
-		path,device = os.path.split(path)
-		if not device:
-			path,device = os.path.split(path)
-		platforms = []
-		for arch,compiler in all_wince_platforms:
-			if os.path.isdir(os.path.join(path, device, 'Lib', arch)):
-				platforms.append((arch, compiler, os.path.join(path, device, 'Include', arch), os.path.join(path, device, 'Lib', arch)))
-		if platforms:
-			supported_wince_platforms.append((device, platforms))
-	return supported_wince_platforms
-
-def gather_msvc_detected_versions():
-	#Detected MSVC versions!
-	version_pattern = re.compile(r'^(\d\d?\.\d\d?)(Exp)?$')
-	detected_versions = []
-	for vcver,vcvar in (('VCExpress','Exp'), ('VisualStudio','')):
-		prefix = 'SOFTWARE\\Wow6432node\\Microsoft\\' + vcver
-		try:
-			all_versions = Utils.winreg.OpenKey(Utils.winreg.HKEY_LOCAL_MACHINE, prefix)
-		except OSError:
-			prefix = 'SOFTWARE\\Microsoft\\' + vcver
-			try:
-				all_versions = Utils.winreg.OpenKey(Utils.winreg.HKEY_LOCAL_MACHINE, prefix)
-			except OSError:
-				continue
-
-		index = 0
-		while 1:
-			try:
-				version = Utils.winreg.EnumKey(all_versions, index)
-			except OSError:
-				break
-			index += 1
-			match = version_pattern.match(version)
-			if match:
-				versionnumber = float(match.group(1))
-			else:
-				continue
-			detected_versions.append((versionnumber, version+vcvar, prefix+'\\'+version))
-	def fun(tup):
-		return tup[0]
-
-	detected_versions.sort(key = fun)
-	return detected_versions
-
-class target_compiler(object):
-	"""
-	Wrap a compiler configuration; call evaluate() to determine
-	whether the configuration is usable.
-	"""
-	def __init__(self, ctx, compiler, cpu, version, bat_target, bat, callback=None):
-		"""
-		:param ctx: configuration context to use to eventually get the version environment
-		:param compiler: compiler name
-		:param cpu: target cpu
-		:param version: compiler version number
-		:param bat_target: ?
-		:param bat: path to the batch file to run
-		"""
-		self.conf = ctx
-		self.name = None
-		self.is_valid = False
-		self.is_done = False
-
-		self.compiler = compiler
-		self.cpu = cpu
-		self.version = version
-		self.bat_target = bat_target
-		self.bat = bat
-		self.callback = callback
-
-	def evaluate(self):
-		if self.is_done:
-			return
-		self.is_done = True
-		try:
-			vs = self.conf.get_msvc_version(self.compiler, self.version, self.bat_target, self.bat)
-		except Errors.ConfigurationError:
-			self.is_valid = False
-			return
-		if self.callback:
-			vs = self.callback(self, vs)
-		self.is_valid = True
-		(self.bindirs, self.incdirs, self.libdirs) = vs
-
-	def __str__(self):
-		return str((self.compiler, self.cpu, self.version, self.bat_target, self.bat))
-
-	def __repr__(self):
-		return repr((self.compiler, self.cpu, self.version, self.bat_target, self.bat))
-
-@conf
-def gather_wsdk_versions(conf, versions):
-	"""
-	Use winreg to add the msvc versions to the input list
-
-	:param versions: list to modify
-	:type versions: list
-	"""
-	version_pattern = re.compile(r'^v..?.?\...?.?')
-	try:
-		all_versions = Utils.winreg.OpenKey(Utils.winreg.HKEY_LOCAL_MACHINE, 'SOFTWARE\\Wow6432node\\Microsoft\\Microsoft SDKs\\Windows')
-	except OSError:
-		try:
-			all_versions = Utils.winreg.OpenKey(Utils.winreg.HKEY_LOCAL_MACHINE, 'SOFTWARE\\Microsoft\\Microsoft SDKs\\Windows')
-		except OSError:
-			return
-	index = 0
-	while 1:
-		try:
-			version = Utils.winreg.EnumKey(all_versions, index)
-		except OSError:
-			break
-		index += 1
-		if not version_pattern.match(version):
-			continue
-		try:
-			msvc_version = Utils.winreg.OpenKey(all_versions, version)
-			path,type = Utils.winreg.QueryValueEx(msvc_version,'InstallationFolder')
-		except OSError:
-			continue
-		if path and os.path.isfile(os.path.join(path, 'bin', 'SetEnv.cmd')):
-			targets = {}
-			for target,arch in all_msvc_platforms:
-				targets[target] = target_compiler(conf, 'wsdk', arch, version, '/'+target, os.path.join(path, 'bin', 'SetEnv.cmd'))
-			versions['wsdk ' + version[1:]] = targets
-
-@conf
-def gather_msvc_targets(conf, versions, version, vc_path):
-	#Looking for normal MSVC compilers!
-	targets = {}
-
-	if os.path.isfile(os.path.join(vc_path, 'VC', 'Auxiliary', 'Build', 'vcvarsall.bat')):
-		for target,realtarget in all_msvc_platforms[::-1]:
-			targets[target] = target_compiler(conf, 'msvc', realtarget, version, target, os.path.join(vc_path, 'VC', 'Auxiliary', 'Build', 'vcvarsall.bat'))
-	elif os.path.isfile(os.path.join(vc_path, 'vcvarsall.bat')):
-		for target,realtarget in all_msvc_platforms[::-1]:
-			targets[target] = target_compiler(conf, 'msvc', realtarget, version, target, os.path.join(vc_path, 'vcvarsall.bat'))
-	elif os.path.isfile(os.path.join(vc_path, 'Common7', 'Tools', 'vsvars32.bat')):
-		targets['x86'] = target_compiler(conf, 'msvc', 'x86', version, 'x86', os.path.join(vc_path, 'Common7', 'Tools', 'vsvars32.bat'))
-	elif os.path.isfile(os.path.join(vc_path, 'Bin', 'vcvars32.bat')):
-		targets['x86'] = target_compiler(conf, 'msvc', 'x86', version, '', os.path.join(vc_path, 'Bin', 'vcvars32.bat'))
-	if targets:
-		versions['msvc %s' % version] = targets
-
-@conf
-def gather_wince_targets(conf, versions, version, vc_path, vsvars, supported_platforms):
-	#Looking for Win CE compilers!
-	for device,platforms in supported_platforms:
-		targets = {}
-		for platform,compiler,include,lib in platforms:
-			winCEpath = os.path.join(vc_path, 'ce')
-			if not os.path.isdir(winCEpath):
-				continue
-
-			if os.path.isdir(os.path.join(winCEpath, 'lib', platform)):
-				bindirs = [os.path.join(winCEpath, 'bin', compiler), os.path.join(winCEpath, 'bin', 'x86_'+compiler)]
-				incdirs = [os.path.join(winCEpath, 'include'), os.path.join(winCEpath, 'atlmfc', 'include'), include]
-				libdirs = [os.path.join(winCEpath, 'lib', platform), os.path.join(winCEpath, 'atlmfc', 'lib', platform), lib]
-				def combine_common(obj, compiler_env):
-					# TODO this is likely broken, remove in waf 2.1
-					(common_bindirs,_1,_2) = compiler_env
-					return (bindirs + common_bindirs, incdirs, libdirs)
-				targets[platform] = target_compiler(conf, 'msvc', platform, version, 'x86', vsvars, combine_common)
-		if targets:
-			versions[device + ' ' + version] = targets
-
-@conf
-def gather_winphone_targets(conf, versions, version, vc_path, vsvars):
-	#Looking for WinPhone compilers
-	targets = {}
-	for target,realtarget in all_msvc_platforms[::-1]:
-		targets[target] = target_compiler(conf, 'winphone', realtarget, version, target, vsvars)
-	if targets:
-		versions['winphone ' + version] = targets
-
-@conf
-def gather_vswhere_versions(conf, versions):
-	try:
-		import json
-	except ImportError:
-		Logs.error('Visual Studio 2017 detection requires Python 2.6')
-		return
-
-	prg_path = os.environ.get('ProgramFiles(x86)', os.environ.get('ProgramFiles', 'C:\\Program Files (x86)'))
-
-	vswhere = os.path.join(prg_path, 'Microsoft Visual Studio', 'Installer', 'vswhere.exe')
-	args = [vswhere, '-products', '*', '-legacy', '-format', 'json']
-	try:
-		txt = conf.cmd_and_log(args)
-	except Errors.WafError as e:
-		Logs.debug('msvc: vswhere.exe failed %s', e)
-		return
-
-	if sys.version_info[0] < 3:
-		txt = txt.decode(Utils.console_encoding())
-
-	arr = json.loads(txt)
-	arr.sort(key=lambda x: x['installationVersion'])
-	for entry in arr:
-		ver = entry['installationVersion']
-		ver = str('.'.join(ver.split('.')[:2]))
-		path = str(os.path.abspath(entry['installationPath']))
-		if os.path.exists(path) and ('msvc %s' % ver) not in versions:
-			conf.gather_msvc_targets(versions, ver, path)
-
-@conf
-def gather_msvc_versions(conf, versions):
-	vc_paths = []
-	for (v,version,reg) in gather_msvc_detected_versions():
-		try:
-			try:
-				msvc_version = Utils.winreg.OpenKey(Utils.winreg.HKEY_LOCAL_MACHINE, reg + "\\Setup\\VC")
-			except OSError:
-				msvc_version = Utils.winreg.OpenKey(Utils.winreg.HKEY_LOCAL_MACHINE, reg + "\\Setup\\Microsoft Visual C++")
-			path,type = Utils.winreg.QueryValueEx(msvc_version, 'ProductDir')
-		except OSError:
-			try:
-				msvc_version = Utils.winreg.OpenKey(Utils.winreg.HKEY_LOCAL_MACHINE, "SOFTWARE\\Wow6432node\\Microsoft\\VisualStudio\\SxS\\VS7")
-				path,type = Utils.winreg.QueryValueEx(msvc_version, version)
-			except OSError:
-				continue
-			else:
-				vc_paths.append((version, os.path.abspath(str(path))))
-			continue
-		else:
-			vc_paths.append((version, os.path.abspath(str(path))))
-
-	wince_supported_platforms = gather_wince_supported_platforms()
-
-	for version,vc_path in vc_paths:
-		vs_path = os.path.dirname(vc_path)
-		vsvars = os.path.join(vs_path, 'Common7', 'Tools', 'vsvars32.bat')
-		if wince_supported_platforms and os.path.isfile(vsvars):
-			conf.gather_wince_targets(versions, version, vc_path, vsvars, wince_supported_platforms)
-
-	# WP80 works with 11.0Exp and 11.0, both of which resolve to the same vc_path.
-	# Stop after one is found.
-	for version,vc_path in vc_paths:
-		vs_path = os.path.dirname(vc_path)
-		vsvars = os.path.join(vs_path, 'VC', 'WPSDK', 'WP80', 'vcvarsphoneall.bat')
-		if os.path.isfile(vsvars):
-			conf.gather_winphone_targets(versions, '8.0', vc_path, vsvars)
-			break
-
-	for version,vc_path in vc_paths:
-		vs_path = os.path.dirname(vc_path)
-		conf.gather_msvc_targets(versions, version, vc_path)
-
-@conf
-def gather_icl_versions(conf, versions):
-	"""
-	Checks ICL compilers
-
-	:param versions: list to modify
-	:type versions: list
-	"""
-	version_pattern = re.compile(r'^...?.?\....?.?')
-	try:
-		all_versions = Utils.winreg.OpenKey(Utils.winreg.HKEY_LOCAL_MACHINE, 'SOFTWARE\\Wow6432node\\Intel\\Compilers\\C++')
-	except OSError:
-		try:
-			all_versions = Utils.winreg.OpenKey(Utils.winreg.HKEY_LOCAL_MACHINE, 'SOFTWARE\\Intel\\Compilers\\C++')
-		except OSError:
-			return
-	index = 0
-	while 1:
-		try:
-			version = Utils.winreg.EnumKey(all_versions, index)
-		except OSError:
-			break
-		index += 1
-		if not version_pattern.match(version):
-			continue
-		targets = {}
-		for target,arch in all_icl_platforms:
-			if target=='intel64':
-				targetDir='EM64T_NATIVE'
-			else:
-				targetDir=target
-			try:
-				Utils.winreg.OpenKey(all_versions,version+'\\'+targetDir)
-				icl_version=Utils.winreg.OpenKey(all_versions,version)
-				path,type=Utils.winreg.QueryValueEx(icl_version,'ProductDir')
-			except OSError:
-				pass
-			else:
-				batch_file=os.path.join(path,'bin','iclvars.bat')
-				if os.path.isfile(batch_file):
-					targets[target] = target_compiler(conf, 'intel', arch, version, target, batch_file)
-		for target,arch in all_icl_platforms:
-			try:
-				icl_version = Utils.winreg.OpenKey(all_versions, version+'\\'+target)
-				path,type = Utils.winreg.QueryValueEx(icl_version,'ProductDir')
-			except OSError:
-				continue
-			else:
-				batch_file=os.path.join(path,'bin','iclvars.bat')
-				if os.path.isfile(batch_file):
-					targets[target] = target_compiler(conf, 'intel', arch, version, target, batch_file)
-		major = version[0:2]
-		versions['intel ' + major] = targets
-
-@conf
-def gather_intel_composer_versions(conf, versions):
-	"""
-	Checks ICL compilers that are part of Intel Composer Suites
-
-	:param versions: list to modify
-	:type versions: list
-	"""
-	version_pattern = re.compile(r'^...?.?\...?.?.?')
-	try:
-		all_versions = Utils.winreg.OpenKey(Utils.winreg.HKEY_LOCAL_MACHINE, 'SOFTWARE\\Wow6432node\\Intel\\Suites')
-	except OSError:
-		try:
-			all_versions = Utils.winreg.OpenKey(Utils.winreg.HKEY_LOCAL_MACHINE, 'SOFTWARE\\Intel\\Suites')
-		except OSError:
-			return
-	index = 0
-	while 1:
-		try:
-			version = Utils.winreg.EnumKey(all_versions, index)
-		except OSError:
-			break
-		index += 1
-		if not version_pattern.match(version):
-			continue
-		targets = {}
-		for target,arch in all_icl_platforms:
-			if target=='intel64':
-				targetDir='EM64T_NATIVE'
-			else:
-				targetDir=target
-			try:
-				try:
-					defaults = Utils.winreg.OpenKey(all_versions,version+'\\Defaults\\C++\\'+targetDir)
-				except OSError:
-					if targetDir == 'EM64T_NATIVE':
-						defaults = Utils.winreg.OpenKey(all_versions,version+'\\Defaults\\C++\\EM64T')
-					else:
-						raise
-				uid,type = Utils.winreg.QueryValueEx(defaults, 'SubKey')
-				Utils.winreg.OpenKey(all_versions,version+'\\'+uid+'\\C++\\'+targetDir)
-				icl_version=Utils.winreg.OpenKey(all_versions,version+'\\'+uid+'\\C++')
-				path,type=Utils.winreg.QueryValueEx(icl_version,'ProductDir')
-			except OSError:
-				pass
-			else:
-				batch_file=os.path.join(path,'bin','iclvars.bat')
-				if os.path.isfile(batch_file):
-					targets[target] = target_compiler(conf, 'intel', arch, version, target, batch_file)
-				# The intel compilervar_arch.bat is broken when used with Visual Studio Express 2012
-				# http://software.intel.com/en-us/forums/topic/328487
-				compilervars_warning_attr = '_compilervars_warning_key'
-				if version[0:2] == '13' and getattr(conf, compilervars_warning_attr, True):
-					setattr(conf, compilervars_warning_attr, False)
-					patch_url = 'http://software.intel.com/en-us/forums/topic/328487'
-					compilervars_arch = os.path.join(path, 'bin', 'compilervars_arch.bat')
-					for vscomntool in ('VS110COMNTOOLS', 'VS100COMNTOOLS'):
-						if vscomntool in os.environ:
-							vs_express_path = os.environ[vscomntool] + r'..\IDE\VSWinExpress.exe'
-							dev_env_path = os.environ[vscomntool] + r'..\IDE\devenv.exe'
-							if (r'if exist "%VS110COMNTOOLS%..\IDE\VSWinExpress.exe"' in Utils.readf(compilervars_arch) and
-								not os.path.exists(vs_express_path) and not os.path.exists(dev_env_path)):
-								Logs.warn(('The Intel compilervar_arch.bat only checks for one Visual Studio SKU '
-								'(VSWinExpress.exe) but it does not seem to be installed at %r. '
-								'The intel command line set up will fail to configure unless the file %r'
-								'is patched. See: %s') % (vs_express_path, compilervars_arch, patch_url))
-		major = version[0:2]
-		versions['intel ' + major] = targets
-
-@conf
-def detect_msvc(self):
-	return self.setup_msvc(self.get_msvc_versions())
-
-@conf
-def get_msvc_versions(self):
-	"""
-	:return: platform to compiler configurations
-	:rtype: dict
-	"""
-	dct = Utils.ordered_iter_dict()
-	self.gather_icl_versions(dct)
-	self.gather_intel_composer_versions(dct)
-	self.gather_wsdk_versions(dct)
-	self.gather_msvc_versions(dct)
-	self.gather_vswhere_versions(dct)
-	Logs.debug('msvc: detected versions %r', list(dct.keys()))
-	return dct
-
-@conf
-def find_lt_names_msvc(self, libname, is_static=False):
-	"""
-	Win32/MSVC specific code to glean out information from libtool la files.
-	this function is not attached to the task_gen class. Returns a triplet:
-	(library absolute path, library name without extension, whether the library is static)
-	"""
-	lt_names=[
-		'lib%s.la' % libname,
-		'%s.la' % libname,
-	]
-
-	for path in self.env.LIBPATH:
-		for la in lt_names:
-			laf=os.path.join(path,la)
-			dll=None
-			if os.path.exists(laf):
-				ltdict = Utils.read_la_file(laf)
-				lt_libdir=None
-				if ltdict.get('libdir', ''):
-					lt_libdir = ltdict['libdir']
-				if not is_static and ltdict.get('library_names', ''):
-					dllnames=ltdict['library_names'].split()
-					dll=dllnames[0].lower()
-					dll=re.sub(r'\.dll$', '', dll)
-					return (lt_libdir, dll, False)
-				elif ltdict.get('old_library', ''):
-					olib=ltdict['old_library']
-					if os.path.exists(os.path.join(path,olib)):
-						return (path, olib, True)
-					elif lt_libdir != '' and os.path.exists(os.path.join(lt_libdir,olib)):
-						return (lt_libdir, olib, True)
-					else:
-						return (None, olib, True)
-				else:
-					raise self.errors.WafError('invalid libtool object file: %s' % laf)
-	return (None, None, None)
-
-@conf
-def libname_msvc(self, libname, is_static=False):
-	lib = libname.lower()
-	lib = re.sub(r'\.lib$','',lib)
-
-	if lib in g_msvc_systemlibs:
-		return lib
-
-	lib=re.sub('^lib','',lib)
-
-	if lib == 'm':
-		return None
-
-	(lt_path, lt_libname, lt_static) = self.find_lt_names_msvc(lib, is_static)
-
-	if lt_path != None and lt_libname != None:
-		if lt_static:
-			# file existence check has been made by find_lt_names
-			return os.path.join(lt_path,lt_libname)
-
-	if lt_path != None:
-		_libpaths = [lt_path] + self.env.LIBPATH
-	else:
-		_libpaths = self.env.LIBPATH
-
-	static_libs=[
-		'lib%ss.lib' % lib,
-		'lib%s.lib' % lib,
-		'%ss.lib' % lib,
-		'%s.lib' %lib,
-		]
-
-	dynamic_libs=[
-		'lib%s.dll.lib' % lib,
-		'lib%s.dll.a' % lib,
-		'%s.dll.lib' % lib,
-		'%s.dll.a' % lib,
-		'lib%s_d.lib' % lib,
-		'%s_d.lib' % lib,
-		'%s.lib' %lib,
-		]
-
-	libnames=static_libs
-	if not is_static:
-		libnames=dynamic_libs + static_libs
-
-	for path in _libpaths:
-		for libn in libnames:
-			if os.path.exists(os.path.join(path, libn)):
-				Logs.debug('msvc: lib found: %s', os.path.join(path,libn))
-				return re.sub(r'\.lib$', '',libn)
-
-	#if no lib can be found, just return the libname as msvc expects it
-	self.fatal('The library %r could not be found' % libname)
-	return re.sub(r'\.lib$', '', libname)
-
-@conf
-def check_lib_msvc(self, libname, is_static=False, uselib_store=None):
-	"""
-	Ideally we should be able to place the lib in the right env var, either STLIB or LIB,
-	but we don't distinguish static libs from shared libs.
-	This is ok since msvc doesn't have any special linker flag to select static libs (no env.STLIB_MARKER)
-	"""
-	libn = self.libname_msvc(libname, is_static)
-
-	if not uselib_store:
-		uselib_store = libname.upper()
-
-	if False and is_static: # disabled
-		self.env['STLIB_' + uselib_store] = [libn]
-	else:
-		self.env['LIB_' + uselib_store] = [libn]
-
-@conf
-def check_libs_msvc(self, libnames, is_static=False):
-	for libname in Utils.to_list(libnames):
-		self.check_lib_msvc(libname, is_static)
-
-def configure(conf):
-	"""
-	Configuration methods to call for detecting msvc
-	"""
-	conf.autodetect(True)
-	conf.find_msvc()
-	conf.msvc_common_flags()
-	conf.cc_load_tools()
-	conf.cxx_load_tools()
-	conf.cc_add_flags()
-	conf.cxx_add_flags()
-	conf.link_add_flags()
-	conf.visual_studio_add_flags()
-
-@conf
-def no_autodetect(conf):
-	conf.env.NO_MSVC_DETECT = 1
-	configure(conf)
-
-@conf
-def autodetect(conf, arch=False):
-	v = conf.env
-	if v.NO_MSVC_DETECT:
-		return
-
-	compiler, version, path, includes, libdirs, cpu = conf.detect_msvc()
-	if arch:
-		v.DEST_CPU = cpu
-
-	v.PATH = path
-	v.INCLUDES = includes
-	v.LIBPATH = libdirs
-	v.MSVC_COMPILER = compiler
-	try:
-		v.MSVC_VERSION = float(version)
-	except ValueError:
-		v.MSVC_VERSION = float(version[:-3])
-
-def _get_prog_names(conf, compiler):
-	if compiler == 'intel':
-		compiler_name = 'ICL'
-		linker_name = 'XILINK'
-		lib_name = 'XILIB'
-	else:
-		# assumes CL.exe
-		compiler_name = 'CL'
-		linker_name = 'LINK'
-		lib_name = 'LIB'
-	return compiler_name, linker_name, lib_name
-
-@conf
-def find_msvc(conf):
-	"""Due to path format limitations, limit operation only to native Win32. Yeah it sucks."""
-	if sys.platform == 'cygwin':
-		conf.fatal('MSVC module does not work under cygwin Python!')
-
-	# the autodetection is supposed to be performed before entering in this method
-	v = conf.env
-	path = v.PATH
-	compiler = v.MSVC_COMPILER
-	version = v.MSVC_VERSION
-
-	compiler_name, linker_name, lib_name = _get_prog_names(conf, compiler)
-	v.MSVC_MANIFEST = (compiler == 'msvc' and version >= 8) or (compiler == 'wsdk' and version >= 6) or (compiler == 'intel' and version >= 11)
-
-	# compiler
-	cxx = conf.find_program(compiler_name, var='CXX', path_list=path)
-
-	# before setting anything, check if the compiler is really msvc
-	env = dict(conf.environ)
-	if path:
-		env.update(PATH = ';'.join(path))
-	if not conf.cmd_and_log(cxx + ['/nologo', '/help'], env=env):
-		conf.fatal('the msvc compiler could not be identified')
-
-	# c/c++ compiler
-	v.CC = v.CXX = cxx
-	v.CC_NAME = v.CXX_NAME = 'msvc'
-
-	# linker
-	if not v.LINK_CXX:
-		conf.find_program(linker_name, path_list=path, errmsg='%s was not found (linker)' % linker_name, var='LINK_CXX')
-
-	if not v.LINK_CC:
-		v.LINK_CC = v.LINK_CXX
-
-	# staticlib linker
-	if not v.AR:
-		stliblink = conf.find_program(lib_name, path_list=path, var='AR')
-		if not stliblink:
-			return
-		v.ARFLAGS = ['/nologo']
-
-	# manifest tool. Not required for VS 2003 and below. Must have for VS 2005 and later
-	if v.MSVC_MANIFEST:
-		conf.find_program('MT', path_list=path, var='MT')
-		v.MTFLAGS = ['/nologo']
-
-	try:
-		conf.load('winres')
-	except Errors.ConfigurationError:
-		Logs.warn('Resource compiler not found. Compiling resource file is disabled')
-
-@conf
-def visual_studio_add_flags(self):
-	"""visual studio flags found in the system environment"""
-	v = self.env
-	if self.environ.get('INCLUDE'):
-		v.prepend_value('INCLUDES', [x for x in self.environ['INCLUDE'].split(';') if x]) # notice the 'S'
-	if self.environ.get('LIB'):
-		v.prepend_value('LIBPATH', [x for x in self.environ['LIB'].split(';') if x])
-
-@conf
-def msvc_common_flags(conf):
-	"""
-	Setup the flags required for executing the msvc compiler
-	"""
-	v = conf.env
-
-	v.DEST_BINFMT = 'pe'
-	v.append_value('CFLAGS', ['/nologo'])
-	v.append_value('CXXFLAGS', ['/nologo'])
-	v.append_value('LINKFLAGS', ['/nologo'])
-	v.DEFINES_ST   = '/D%s'
-
-	v.CC_SRC_F     = ''
-	v.CC_TGT_F     = ['/c', '/Fo']
-	v.CXX_SRC_F    = ''
-	v.CXX_TGT_F    = ['/c', '/Fo']
-
-	if (v.MSVC_COMPILER == 'msvc' and v.MSVC_VERSION >= 8) or (v.MSVC_COMPILER == 'wsdk' and v.MSVC_VERSION >= 6):
-		v.CC_TGT_F = ['/FC'] + v.CC_TGT_F
-		v.CXX_TGT_F = ['/FC'] + v.CXX_TGT_F
-
-	v.CPPPATH_ST = '/I%s' # template for adding include paths
-
-	v.AR_TGT_F = v.CCLNK_TGT_F = v.CXXLNK_TGT_F = '/OUT:'
-
-	# CRT specific flags
-	v.CFLAGS_CRT_MULTITHREADED     = v.CXXFLAGS_CRT_MULTITHREADED     = ['/MT']
-	v.CFLAGS_CRT_MULTITHREADED_DLL = v.CXXFLAGS_CRT_MULTITHREADED_DLL = ['/MD']
-
-	v.CFLAGS_CRT_MULTITHREADED_DBG     = v.CXXFLAGS_CRT_MULTITHREADED_DBG     = ['/MTd']
-	v.CFLAGS_CRT_MULTITHREADED_DLL_DBG = v.CXXFLAGS_CRT_MULTITHREADED_DLL_DBG = ['/MDd']
-
-	v.LIB_ST            = '%s.lib'
-	v.LIBPATH_ST        = '/LIBPATH:%s'
-	v.STLIB_ST          = '%s.lib'
-	v.STLIBPATH_ST      = '/LIBPATH:%s'
-
-	if v.MSVC_MANIFEST:
-		v.append_value('LINKFLAGS', ['/MANIFEST'])
-
-	v.CFLAGS_cshlib     = []
-	v.CXXFLAGS_cxxshlib = []
-	v.LINKFLAGS_cshlib  = v.LINKFLAGS_cxxshlib = ['/DLL']
-	v.cshlib_PATTERN    = v.cxxshlib_PATTERN = '%s.dll'
-	v.implib_PATTERN    = '%s.lib'
-	v.IMPLIB_ST         = '/IMPLIB:%s'
-
-	v.LINKFLAGS_cstlib  = []
-	v.cstlib_PATTERN    = v.cxxstlib_PATTERN = '%s.lib'
-
-	v.cprogram_PATTERN  = v.cxxprogram_PATTERN = '%s.exe'
-
-	v.def_PATTERN       = '/def:%s'
-
-
-#######################################################################################################
-##### conf above, build below
-
-@after_method('apply_link')
-@feature('c', 'cxx')
-def apply_flags_msvc(self):
-	"""
-	Add additional flags implied by msvc, such as subsystems and pdb files::
-
-		def build(bld):
-			bld.stlib(source='main.c', target='bar', subsystem='gruik')
-	"""
-	if self.env.CC_NAME != 'msvc' or not getattr(self, 'link_task', None):
-		return
-
-	is_static = isinstance(self.link_task, ccroot.stlink_task)
-
-	subsystem = getattr(self, 'subsystem', '')
-	if subsystem:
-		subsystem = '/subsystem:%s' % subsystem
-		flags = is_static and 'ARFLAGS' or 'LINKFLAGS'
-		self.env.append_value(flags, subsystem)
-
-	if not is_static:
-		for f in self.env.LINKFLAGS:
-			d = f.lower()
-			if d[1:] == 'debug':
-				pdbnode = self.link_task.outputs[0].change_ext('.pdb')
-				self.link_task.outputs.append(pdbnode)
-
-				if getattr(self, 'install_task', None):
-					self.pdb_install_task = self.add_install_files(
-						install_to=self.install_task.install_to, install_from=pdbnode)
-				break
-
-@feature('cprogram', 'cshlib', 'cxxprogram', 'cxxshlib')
-@after_method('apply_link')
-def apply_manifest(self):
-	"""
-	Special linker for MSVC with support for embedding manifests into DLL's
-	and executables compiled by Visual Studio 2005 or probably later. Without
-	the manifest file, the binaries are unusable.
-	See: http://msdn2.microsoft.com/en-us/library/ms235542(VS.80).aspx
-	"""
-	if self.env.CC_NAME == 'msvc' and self.env.MSVC_MANIFEST and getattr(self, 'link_task', None):
-		out_node = self.link_task.outputs[0]
-		man_node = out_node.parent.find_or_declare(out_node.name + '.manifest')
-		self.link_task.outputs.append(man_node)
-		self.env.DO_MANIFEST = True
-
-def make_winapp(self, family):
-	append = self.env.append_unique
-	append('DEFINES', 'WINAPI_FAMILY=%s' % family)
-	append('CXXFLAGS', ['/ZW', '/TP'])
-	for lib_path in self.env.LIBPATH:
-		append('CXXFLAGS','/AI%s'%lib_path)
-
-@feature('winphoneapp')
-@after_method('process_use')
-@after_method('propagate_uselib_vars')
-def make_winphone_app(self):
-	"""
-	Insert configuration flags for windows phone applications (adds /ZW, /TP...)
-	"""
-	make_winapp(self, 'WINAPI_FAMILY_PHONE_APP')
-	self.env.append_unique('LINKFLAGS', ['/NODEFAULTLIB:ole32.lib', 'PhoneAppModelHost.lib'])
-
-@feature('winapp')
-@after_method('process_use')
-@after_method('propagate_uselib_vars')
-def make_windows_app(self):
-	"""
-	Insert configuration flags for windows applications (adds /ZW, /TP...)
-	"""
-	make_winapp(self, 'WINAPI_FAMILY_DESKTOP_APP')
diff --git a/waflib/Tools/nasm.py b/waflib/Tools/nasm.py
deleted file mode 100644
index 411d5826..00000000
--- a/waflib/Tools/nasm.py
+++ /dev/null
@@ -1,26 +0,0 @@
-#!/usr/bin/env python
-# encoding: utf-8
-# Thomas Nagy, 2008-2018 (ita)
-
-"""
-Nasm tool (asm processing)
-"""
-
-import os
-import waflib.Tools.asm # leave this
-from waflib.TaskGen import feature
-
-@feature('asm')
-def apply_nasm_vars(self):
-	"""provided for compatibility"""
-	self.env.append_value('ASFLAGS', self.to_list(getattr(self, 'nasm_flags', [])))
-
-def configure(conf):
-	"""
-	Detect nasm/yasm and set the variable *AS*
-	"""
-	conf.find_program(['nasm', 'yasm'], var='AS')
-	conf.env.AS_TGT_F = ['-o']
-	conf.env.ASLNK_TGT_F = ['-o']
-	conf.load('asm')
-	conf.env.ASMPATH_ST = '-I%s' + os.sep
diff --git a/waflib/Tools/nobuild.py b/waflib/Tools/nobuild.py
deleted file mode 100644
index 2e4b055e..00000000
--- a/waflib/Tools/nobuild.py
+++ /dev/null
@@ -1,24 +0,0 @@
-#! /usr/bin/env python
-# encoding: utf-8
-# Thomas Nagy, 2015 (ita)
-
-"""
-Override the build commands to write empty files.
-This is useful for profiling and evaluating the Python overhead.
-
-To use::
-
-    def build(bld):
-        ...
-        bld.load('nobuild')
-
-"""
-
-from waflib import Task
-def build(bld):
-	def run(self):
-		for x in self.outputs:
-			x.write('')
-	for (name, cls) in Task.classes.items():
-		cls.run = run
-
diff --git a/waflib/Tools/perl.py b/waflib/Tools/perl.py
deleted file mode 100644
index 32b03fba..00000000
--- a/waflib/Tools/perl.py
+++ /dev/null
@@ -1,156 +0,0 @@
-#!/usr/bin/env python
-# encoding: utf-8
-# andersg at 0x63.nu 2007
-# Thomas Nagy 2016-2018 (ita)
-
-"""
-Support for Perl extensions. A C/C++ compiler is required::
-
-	def options(opt):
-		opt.load('compiler_c perl')
-	def configure(conf):
-		conf.load('compiler_c perl')
-		conf.check_perl_version((5,6,0))
-		conf.check_perl_ext_devel()
-		conf.check_perl_module('Cairo')
-		conf.check_perl_module('Devel::PPPort 4.89')
-	def build(bld):
-		bld(
-			features     = 'c cshlib perlext',
-			source       = 'Mytest.xs',
-			target       = 'Mytest',
-			install_path = '${ARCHDIR_PERL}/auto')
-		bld.install_files('${ARCHDIR_PERL}', 'Mytest.pm')
-"""
-
-import os
-from waflib import Task, Options, Utils, Errors
-from waflib.Configure import conf
-from waflib.TaskGen import extension, feature, before_method
-
-@before_method('apply_incpaths', 'apply_link', 'propagate_uselib_vars')
-@feature('perlext')
-def init_perlext(self):
-	"""
-	Change the values of *cshlib_PATTERN* and *cxxshlib_PATTERN* to remove the
-	*lib* prefix from library names.
-	"""
-	self.uselib = self.to_list(getattr(self, 'uselib', []))
-	if not 'PERLEXT' in self.uselib:
-		self.uselib.append('PERLEXT')
-	self.env.cshlib_PATTERN = self.env.cxxshlib_PATTERN = self.env.perlext_PATTERN
-
-@extension('.xs')
-def xsubpp_file(self, node):
-	"""
-	Create :py:class:`waflib.Tools.perl.xsubpp` tasks to process *.xs* files
-	"""
-	outnode = node.change_ext('.c')
-	self.create_task('xsubpp', node, outnode)
-	self.source.append(outnode)
-
-class xsubpp(Task.Task):
-	"""
-	Process *.xs* files
-	"""
-	run_str = '${PERL} ${XSUBPP} -noprototypes -typemap ${EXTUTILS_TYPEMAP} ${SRC} > ${TGT}'
-	color   = 'BLUE'
-	ext_out = ['.h']
-
-@conf
-def check_perl_version(self, minver=None):
-	"""
-	Check if Perl is installed, and set the variable PERL.
-	minver is supposed to be a tuple
-	"""
-	res = True
-	if minver:
-		cver = '.'.join(map(str,minver))
-	else:
-		cver = ''
-
-	self.start_msg('Checking for minimum perl version %s' % cver)
-
-	perl = self.find_program('perl', var='PERL', value=getattr(Options.options, 'perlbinary', None))
-	version = self.cmd_and_log(perl + ["-e", 'printf \"%vd\", $^V'])
-	if not version:
-		res = False
-		version = "Unknown"
-	elif not minver is None:
-		ver = tuple(map(int, version.split(".")))
-		if ver < minver:
-			res = False
-
-	self.end_msg(version, color=res and 'GREEN' or 'YELLOW')
-	return res
-
-@conf
-def check_perl_module(self, module):
-	"""
-	Check if specified perlmodule is installed.
-
-	The minimum version can be specified by specifying it after modulename
-	like this::
-
-		def configure(conf):
-			conf.check_perl_module("Some::Module 2.92")
-	"""
-	cmd = self.env.PERL + ['-e', 'use %s' % module]
-	self.start_msg('perl module %s' % module)
-	try:
-		r = self.cmd_and_log(cmd)
-	except Errors.WafError:
-		self.end_msg(False)
-		return None
-	self.end_msg(r or True)
-	return r
-
-@conf
-def check_perl_ext_devel(self):
-	"""
-	Check for configuration needed to build perl extensions.
-
-	Sets different xxx_PERLEXT variables in the environment.
-
-	Also sets the ARCHDIR_PERL variable useful as installation path,
-	which can be overridden by ``--with-perl-archdir`` option.
-	"""
-
-	env = self.env
-	perl = env.PERL
-	if not perl:
-		self.fatal('find perl first')
-
-	def cmd_perl_config(s):
-		return perl + ['-MConfig', '-e', 'print \"%s\"' % s]
-	def cfg_str(cfg):
-		return self.cmd_and_log(cmd_perl_config(cfg))
-	def cfg_lst(cfg):
-		return Utils.to_list(cfg_str(cfg))
-	def find_xsubpp():
-		for var in ('privlib', 'vendorlib'):
-			xsubpp = cfg_lst('$Config{%s}/ExtUtils/xsubpp$Config{exe_ext}' % var)
-			if xsubpp and os.path.isfile(xsubpp[0]):
-				return xsubpp
-		return self.find_program('xsubpp')
-
-	env.LINKFLAGS_PERLEXT = cfg_lst('$Config{lddlflags}')
-	env.INCLUDES_PERLEXT = cfg_lst('$Config{archlib}/CORE')
-	env.CFLAGS_PERLEXT = cfg_lst('$Config{ccflags} $Config{cccdlflags}')
-	env.EXTUTILS_TYPEMAP = cfg_lst('$Config{privlib}/ExtUtils/typemap')
-	env.XSUBPP = find_xsubpp()
-
-	if not getattr(Options.options, 'perlarchdir', None):
-		env.ARCHDIR_PERL = cfg_str('$Config{sitearch}')
-	else:
-		env.ARCHDIR_PERL = getattr(Options.options, 'perlarchdir')
-
-	env.perlext_PATTERN = '%s.' + cfg_str('$Config{dlext}')
-
-def options(opt):
-	"""
-	Add the ``--with-perl-archdir`` and ``--with-perl-binary`` command-line options.
-	"""
-	opt.add_option('--with-perl-binary', type='string', dest='perlbinary', help = 'Specify alternate perl binary', default=None)
-	opt.add_option('--with-perl-archdir', type='string', dest='perlarchdir', help = 'Specify directory where to install arch specific files', default=None)
-
diff --git a/waflib/Tools/python.py b/waflib/Tools/python.py
deleted file mode 100644
index 01a2c9aa..00000000
--- a/waflib/Tools/python.py
+++ /dev/null
@@ -1,631 +0,0 @@
-#!/usr/bin/env python
-# encoding: utf-8
-# Thomas Nagy, 2007-2015 (ita)
-# Gustavo Carneiro (gjc), 2007
-
-"""
-Support for Python, detect the headers and libraries and provide
-*use* variables to link C/C++ programs against them::
-
-	def options(opt):
-		opt.load('compiler_c python')
-	def configure(conf):
-		conf.load('compiler_c python')
-		conf.check_python_version((2,4,2))
-		conf.check_python_headers()
-	def build(bld):
-		bld.program(features='pyembed', source='a.c', target='myprog')
-		bld.shlib(features='pyext', source='b.c', target='mylib')
-"""
-
-import os, sys
-from waflib import Errors, Logs, Node, Options, Task, Utils
-from waflib.TaskGen import extension, before_method, after_method, feature
-from waflib.Configure import conf
-
-FRAG = '''
-#include <Python.h>
-#ifdef __cplusplus
-extern "C" {
-#endif
-	void Py_Initialize(void);
-	void Py_Finalize(void);
-#ifdef __cplusplus
-}
-#endif
-int main(int argc, char **argv)
-{
-   (void)argc; (void)argv;
-   Py_Initialize();
-   Py_Finalize();
-   return 0;
-}
-'''
-"""
-Piece of C/C++ code used in :py:func:`waflib.Tools.python.check_python_headers`
-"""
-
-INST = '''
-import sys, py_compile
-py_compile.compile(sys.argv[1], sys.argv[2], sys.argv[3], True)
-'''
-"""
-Piece of Python code used in :py:class:`waflib.Tools.python.pyo` and :py:class:`waflib.Tools.python.pyc` for byte-compiling python files
-"""
-
-DISTUTILS_IMP = ['from distutils.sysconfig import get_config_var, get_python_lib']
-
-@before_method('process_source')
-@feature('py')
-def feature_py(self):
-	"""
-	Create tasks to byte-compile .py files and install them, if requested
-	"""
-	self.install_path = getattr(self, 'install_path', '${PYTHONDIR}')
-	install_from = getattr(self, 'install_from', None)
-	if install_from and not isinstance(install_from, Node.Node):
-		install_from = self.path.find_dir(install_from)
-	self.install_from = install_from
-
-	ver = self.env.PYTHON_VERSION
-	if not ver:
-		self.bld.fatal('Installing python files requires PYTHON_VERSION, try conf.check_python_version')
-
-	if int(ver.replace('.', '')) > 31:
-		self.install_32 = True
-
-@extension('.py')
-def process_py(self, node):
-	"""
-	Add signature of .py file, so it will be byte-compiled when necessary
-	"""
-	assert(hasattr(self, 'install_path')), 'add features="py"'
-
-	# where to install the python file
-	if self.install_path:
-		if self.install_from:
-			self.add_install_files(install_to=self.install_path, install_from=node, cwd=self.install_from, relative_trick=True)
-		else:
-			self.add_install_files(install_to=self.install_path, install_from=node, relative_trick=True)
-
-	lst = []
-	if self.env.PYC:
-		lst.append('pyc')
-	if self.env.PYO:
-		lst.append('pyo')
-
-	if self.install_path:
-		if self.install_from:
-			pyd = Utils.subst_vars("%s/%s" % (self.install_path, node.path_from(self.install_from)), self.env)
-		else:
-			pyd = Utils.subst_vars("%s/%s" % (self.install_path, node.path_from(self.path)), self.env)
-	else:
-		pyd = node.abspath()
-
-	for ext in lst:
-		if self.env.PYTAG and not self.env.NOPYCACHE:
-			# __pycache__ installation for python 3.2 - PEP 3147
-			name = node.name[:-3]
-			pyobj = node.parent.get_bld().make_node('__pycache__').make_node("%s.%s.%s" % (name, self.env.PYTAG, ext))
-			pyobj.parent.mkdir()
-		else:
-			pyobj = node.change_ext(".%s" % ext)
-
-		tsk = self.create_task(ext, node, pyobj)
-		tsk.pyd = pyd
-
-		if self.install_path:
-			self.add_install_files(install_to=os.path.dirname(pyd), install_from=pyobj, cwd=node.parent.get_bld(), relative_trick=True)
-
-class pyc(Task.Task):
-	"""
-	Byte-compiling python files
-	"""
-	color = 'PINK'
-	def __str__(self):
-		node = self.outputs[0]
-		return node.path_from(node.ctx.launch_node())
-	def run(self):
-		cmd = [Utils.subst_vars('${PYTHON}', self.env), '-c', INST, self.inputs[0].abspath(), self.outputs[0].abspath(), self.pyd]
-		ret = self.generator.bld.exec_command(cmd)
-		return ret
-
-class pyo(Task.Task):
-	"""
-	Byte-compiling python files
-	"""
-	color = 'PINK'
-	def __str__(self):
-		node = self.outputs[0]
-		return node.path_from(node.ctx.launch_node())
-	def run(self):
-		cmd = [Utils.subst_vars('${PYTHON}', self.env), Utils.subst_vars('${PYFLAGS_OPT}', self.env), '-c', INST, self.inputs[0].abspath(), self.outputs[0].abspath(), self.pyd]
-		ret = self.generator.bld.exec_command(cmd)
-		return ret
-
-@feature('pyext')
-@before_method('propagate_uselib_vars', 'apply_link')
-@after_method('apply_bundle')
-def init_pyext(self):
-	"""
-	Change the values of *cshlib_PATTERN* and *cxxshlib_PATTERN* to remove the
-	*lib* prefix from library names.
-	"""
-	self.uselib = self.to_list(getattr(self, 'uselib', []))
-	if not 'PYEXT' in self.uselib:
-		self.uselib.append('PYEXT')
-	# override shlib_PATTERN set by the osx module
-	self.env.cshlib_PATTERN = self.env.cxxshlib_PATTERN = self.env.macbundle_PATTERN = self.env.pyext_PATTERN
-	self.env.fcshlib_PATTERN = self.env.dshlib_PATTERN = self.env.pyext_PATTERN
-
-	try:
-		if not self.install_path:
-			return
-	except AttributeError:
-		self.install_path = '${PYTHONARCHDIR}'
-
-@feature('pyext')
-@before_method('apply_link', 'apply_bundle')
-def set_bundle(self):
-	"""Mac-specific pyext extension that enables bundles from c_osx.py"""
-	if Utils.unversioned_sys_platform() == 'darwin':
-		self.mac_bundle = True
-
-@before_method('propagate_uselib_vars')
-@feature('pyembed')
-def init_pyembed(self):
-	"""
-	Add the PYEMBED variable.
-	"""
-	self.uselib = self.to_list(getattr(self, 'uselib', []))
-	if not 'PYEMBED' in self.uselib:
-		self.uselib.append('PYEMBED')
-
-@conf
-def get_python_variables(self, variables, imports=None):
-	"""
-	Spawn a new python process to dump configuration variables
-
-	:param variables: variables to print
-	:type variables: list of string
-	:param imports: one import by element
-	:type imports: list of string
-	:return: the variable values
-	:rtype: list of string
-	"""
-	if not imports:
-		try:
-			imports = self.python_imports
-		except AttributeError:
-			imports = DISTUTILS_IMP
-
-	program = list(imports) # copy
-	program.append('')
-	for v in variables:
-		program.append("print(repr(%s))" % v)
-	os_env = dict(os.environ)
-	try:
-		del os_env['MACOSX_DEPLOYMENT_TARGET'] # see comments in the OSX tool
-	except KeyError:
-		pass
-
-	try:
-		out = self.cmd_and_log(self.env.PYTHON + ['-c', '\n'.join(program)], env=os_env)
-	except Errors.WafError:
-		self.fatal('The distutils module is unusable: install "python-devel"?')
-	self.to_log(out)
-	return_values = []
-	for s in out.splitlines():
-		s = s.strip()
-		if not s:
-			continue
-		if s == 'None':
-			return_values.append(None)
-		elif (s[0] == "'" and s[-1] == "'") or (s[0] == '"' and s[-1] == '"'):
-			return_values.append(eval(s))
-		elif s[0].isdigit():
-			return_values.append(int(s))
-		else: break
-	return return_values
-
-@conf
-def test_pyembed(self, mode, msg='Testing pyembed configuration'):
-	self.check(header_name='Python.h', define_name='HAVE_PYEMBED', msg=msg,
-		fragment=FRAG, errmsg='Could not build a python embedded interpreter',
-		features='%s %sprogram pyembed' % (mode, mode))
-
-@conf
-def test_pyext(self, mode, msg='Testing pyext configuration'):
-	self.check(header_name='Python.h', define_name='HAVE_PYEXT', msg=msg,
-		fragment=FRAG, errmsg='Could not build python extensions',
-		features='%s %sshlib pyext' % (mode, mode))
-
-@conf
-def python_cross_compile(self, features='pyembed pyext'):
-	"""
-	For cross-compilation purposes, it is possible to bypass the normal detection and set the flags that you want:
-	PYTHON_VERSION='3.4' PYTAG='cpython34' pyext_PATTERN="%s.so" PYTHON_LDFLAGS='-lpthread -ldl' waf configure
-
-	The following variables are used:
-	PYTHON_VERSION    required
-	PYTAG             required
-	PYTHON_LDFLAGS    required
-	pyext_PATTERN     required
-	PYTHON_PYEXT_LDFLAGS
-	PYTHON_PYEMBED_LDFLAGS
-	"""
-	features = Utils.to_list(features)
-	if not ('PYTHON_LDFLAGS' in self.environ or 'PYTHON_PYEXT_LDFLAGS' in self.environ or 'PYTHON_PYEMBED_LDFLAGS' in self.environ):
-		return False
-
-	for x in 'PYTHON_VERSION PYTAG pyext_PATTERN'.split():
-		if not x in self.environ:
-			self.fatal('Please set %s in the os environment' % x)
-		else:
-			self.env[x] = self.environ[x]
-
-	xx = self.env.CXX_NAME and 'cxx' or 'c'
-	if 'pyext' in features:
-		flags = self.environ.get('PYTHON_PYEXT_LDFLAGS', self.environ.get('PYTHON_LDFLAGS'))
-		if flags is None:
-			self.fatal('No flags provided through PYTHON_PYEXT_LDFLAGS as required')
-		else:
-			self.parse_flags(flags, 'PYEXT')
-		self.test_pyext(xx)
-	if 'pyembed' in features:
-		flags = self.environ.get('PYTHON_PYEMBED_LDFLAGS', self.environ.get('PYTHON_LDFLAGS'))
-		if flags is None:
-			self.fatal('No flags provided through PYTHON_PYEMBED_LDFLAGS as required')
-		else:
-			self.parse_flags(flags, 'PYEMBED')
-		self.test_pyembed(xx)
-	return True
-
-@conf
-def check_python_headers(conf, features='pyembed pyext'):
-	"""
-	Check for headers and libraries necessary to extend or embed python by using the module *distutils*.
-	On success the environment variables xxx_PYEXT and xxx_PYEMBED are added:
-
-	* PYEXT: for compiling python extensions
-	* PYEMBED: for embedding a python interpreter
-	"""
-	features = Utils.to_list(features)
-	assert ('pyembed' in features) or ('pyext' in features), "check_python_headers features must include 'pyembed' and/or 'pyext'"
-	env = conf.env
-	if not env.CC_NAME and not env.CXX_NAME:
-		conf.fatal('load a compiler first (gcc, g++, ..)')
-
-	# bypass all the code below for cross-compilation
-	if conf.python_cross_compile(features):
-		return
-
-	if not env.PYTHON_VERSION:
-		conf.check_python_version()
-
-	pybin = env.PYTHON
-	if not pybin:
-		conf.fatal('Could not find the python executable')
-
-	# so we actually do all this for compatibility reasons and for obtaining pyext_PATTERN below
-	v = 'prefix SO LDFLAGS LIBDIR LIBPL INCLUDEPY Py_ENABLE_SHARED MACOSX_DEPLOYMENT_TARGET LDSHARED CFLAGS LDVERSION'.split()
-	try:
-		lst = conf.get_python_variables(["get_config_var('%s') or ''" % x for x in v])
-	except RuntimeError:
-		conf.fatal("Python development headers not found (-v for details).")
-
-	vals = ['%s = %r' % (x, y) for (x, y) in zip(v, lst)]
-	conf.to_log("Configuration returned from %r:\n%s\n" % (pybin, '\n'.join(vals)))
-
-	dct = dict(zip(v, lst))
-	x = 'MACOSX_DEPLOYMENT_TARGET'
-	if dct[x]:
-		env[x] = conf.environ[x] = dct[x]
-	env.pyext_PATTERN = '%s' + dct['SO'] # not a mistake
-
-
-	# Try to get pythonX.Y-config
-	num = '.'.join(env.PYTHON_VERSION.split('.')[:2])
-	conf.find_program([''.join(pybin) + '-config', 'python%s-config' % num, 'python-config-%s' % num, 'python%sm-config' % num], var='PYTHON_CONFIG', msg="python-config", mandatory=False)
-
-	if env.PYTHON_CONFIG:
-		# check python-config output only once
-		if conf.env.HAVE_PYTHON_H:
-			return
-
-		# python2.6-config requires 3 runs
-		all_flags = [['--cflags', '--libs', '--ldflags']]
-		if sys.hexversion < 0x2070000:
-			all_flags = [[k] for k in all_flags[0]]
-
-		xx = env.CXX_NAME and 'cxx' or 'c'
-
-		if 'pyembed' in features:
-			for flags in all_flags:
-				conf.check_cfg(msg='Asking python-config for pyembed %r flags' % ' '.join(flags), path=env.PYTHON_CONFIG, package='', uselib_store='PYEMBED', args=flags)
-
-			try:
-				conf.test_pyembed(xx)
-			except conf.errors.ConfigurationError:
-				# python bug 7352
-				if dct['Py_ENABLE_SHARED'] and dct['LIBDIR']:
-					env.append_unique('LIBPATH_PYEMBED', [dct['LIBDIR']])
-					conf.test_pyembed(xx)
-				else:
-					raise
-
-		if 'pyext' in features:
-			for flags in all_flags:
-				conf.check_cfg(msg='Asking python-config for pyext %r flags' % ' '.join(flags), path=env.PYTHON_CONFIG, package='', uselib_store='PYEXT', args=flags)
-
-			try:
-				conf.test_pyext(xx)
-			except conf.errors.ConfigurationError:
-				# python bug 7352
-				if dct['Py_ENABLE_SHARED'] and dct['LIBDIR']:
-					env.append_unique('LIBPATH_PYEXT', [dct['LIBDIR']])
-					conf.test_pyext(xx)
-				else:
-					raise
-
-		conf.define('HAVE_PYTHON_H', 1)
-		return
-
-	# No python-config, do something else on windows systems
-	all_flags = dct['LDFLAGS'] + ' ' + dct['CFLAGS']
-	conf.parse_flags(all_flags, 'PYEMBED')
-
-	all_flags = dct['LDFLAGS'] + ' ' + dct['LDSHARED'] + ' ' + dct['CFLAGS']
-	conf.parse_flags(all_flags, 'PYEXT')
-
-	result = None
-	if not dct["LDVERSION"]:
-		dct["LDVERSION"] = env.PYTHON_VERSION
-
-	# further simplification will be complicated
-	for name in ('python' + dct['LDVERSION'], 'python' + env.PYTHON_VERSION + 'm', 'python' + env.PYTHON_VERSION.replace('.', '')):
-
-		# LIBPATH_PYEMBED is already set; see if it works.
-		if not result and env.LIBPATH_PYEMBED:
-			path = env.LIBPATH_PYEMBED
-			conf.to_log("\n\n# Trying default LIBPATH_PYEMBED: %r\n" % path)
-			result = conf.check(lib=name, uselib='PYEMBED', libpath=path, mandatory=False, msg='Checking for library %s in LIBPATH_PYEMBED' % name)
-
-		if not result and dct['LIBDIR']:
-			path = [dct['LIBDIR']]
-			conf.to_log("\n\n# try again with -L$python_LIBDIR: %r\n" % path)
-			result = conf.check(lib=name, uselib='PYEMBED', libpath=path, mandatory=False, msg='Checking for library %s in LIBDIR' % name)
-
-		if not result and dct['LIBPL']:
-			path = [dct['LIBPL']]
-			conf.to_log("\n\n# try again with -L$python_LIBPL (some systems don't install the python library in $prefix/lib)\n")
-			result = conf.check(lib=name, uselib='PYEMBED', libpath=path, mandatory=False, msg='Checking for library %s in python_LIBPL' % name)
-
-		if not result:
-			path = [os.path.join(dct['prefix'], "libs")]
-			conf.to_log("\n\n# try again with -L$prefix/libs, and pythonXY name rather than pythonX.Y (win32)\n")
-			result = conf.check(lib=name, uselib='PYEMBED', libpath=path, mandatory=False, msg='Checking for library %s in $prefix/libs' % name)
-
-		if result:
-			break # do not forget to set LIBPATH_PYEMBED
-
-	if result:
-		env.LIBPATH_PYEMBED = path
-		env.append_value('LIB_PYEMBED', [name])
-	else:
-		conf.to_log("\n\n### LIB NOT FOUND\n")
-
-	# under certain conditions, python extensions must link to
-	# python libraries, not just python embedding programs.
-	if Utils.is_win32 or dct['Py_ENABLE_SHARED']:
-		env.LIBPATH_PYEXT = env.LIBPATH_PYEMBED
-		env.LIB_PYEXT = env.LIB_PYEMBED
-
-	conf.to_log("Include path for Python extensions (found via distutils module): %r\n" % (dct['INCLUDEPY'],))
-	env.INCLUDES_PYEXT = [dct['INCLUDEPY']]
-	env.INCLUDES_PYEMBED = [dct['INCLUDEPY']]
-
-	# Code using the Python API needs to be compiled with -fno-strict-aliasing
-	if env.CC_NAME == 'gcc':
-		env.append_value('CFLAGS_PYEMBED', ['-fno-strict-aliasing'])
-		env.append_value('CFLAGS_PYEXT', ['-fno-strict-aliasing'])
-	if env.CXX_NAME == 'gcc':
-		env.append_value('CXXFLAGS_PYEMBED', ['-fno-strict-aliasing'])
-		env.append_value('CXXFLAGS_PYEXT', ['-fno-strict-aliasing'])
-
-	if env.CC_NAME == "msvc":
-		from distutils.msvccompiler import MSVCCompiler
-		dist_compiler = MSVCCompiler()
-		dist_compiler.initialize()
-		env.append_value('CFLAGS_PYEXT', dist_compiler.compile_options)
-		env.append_value('CXXFLAGS_PYEXT', dist_compiler.compile_options)
-		env.append_value('LINKFLAGS_PYEXT', dist_compiler.ldflags_shared)
-
-	# See if it compiles
-	conf.check(header_name='Python.h', define_name='HAVE_PYTHON_H', uselib='PYEMBED', fragment=FRAG, errmsg='Distutils not installed? Broken python installation? Get python-config now!')
-
-@conf
-def check_python_version(conf, minver=None):
-	"""
-	Check if the python interpreter is found matching a given minimum version.
-	minver should be a tuple, eg. to check for python >= 2.4.2 pass (2,4,2) as minver.
-
-	If successful, PYTHON_VERSION is defined as 'MAJOR.MINOR' (eg. '2.4')
-	of the actual python version found, and PYTHONDIR and PYTHONARCHDIR
-	are defined, pointing to the site-packages directories appropriate for
-	this python version, where modules/packages/extensions should be
-	installed.
-
-	:param minver: minimum version
-	:type minver: tuple of int
-	"""
-	assert minver is None or isinstance(minver, tuple)
-	pybin = conf.env.PYTHON
-	if not pybin:
-		conf.fatal('could not find the python executable')
-
-	# Get python version string
-	cmd = pybin + ['-c', 'import sys\nfor x in sys.version_info: print(str(x))']
-	Logs.debug('python: Running python command %r', cmd)
-	lines = conf.cmd_and_log(cmd).split()
-	assert len(lines) == 5, "found %r lines, expected 5: %r" % (len(lines), lines)
-	pyver_tuple = (int(lines[0]), int(lines[1]), int(lines[2]), lines[3], int(lines[4]))
-
-	# Compare python version with the minimum required
-	result = (minver is None) or (pyver_tuple >= minver)
-
-	if result:
-		# define useful environment variables
-		pyver = '.'.join([str(x) for x in pyver_tuple[:2]])
-		conf.env.PYTHON_VERSION = pyver
-
-		if 'PYTHONDIR' in conf.env:
-			# Check if --pythondir was specified
-			pydir = conf.env.PYTHONDIR
-		elif 'PYTHONDIR' in conf.environ:
-			# Check environment for PYTHONDIR
-			pydir = conf.environ['PYTHONDIR']
-		else:
-			# Finally, try to guess
-			if Utils.is_win32:
-				(python_LIBDEST, pydir) = conf.get_python_variables(
-					  ["get_config_var('LIBDEST') or ''",
-					   "get_python_lib(standard_lib=0) or ''"])
-			else:
-				python_LIBDEST = None
-				(pydir,) = conf.get_python_variables( ["get_python_lib(standard_lib=0, prefix=%r) or ''" % conf.env.PREFIX])
-			if python_LIBDEST is None:
-				if conf.env.LIBDIR:
-					python_LIBDEST = os.path.join(conf.env.LIBDIR, 'python' + pyver)
-				else:
-					python_LIBDEST = os.path.join(conf.env.PREFIX, 'lib', 'python' + pyver)
-
-		if 'PYTHONARCHDIR' in conf.env:
-			# Check if --pythonarchdir was specified
-			pyarchdir = conf.env.PYTHONARCHDIR
-		elif 'PYTHONARCHDIR' in conf.environ:
-			# Check environment for PYTHONDIR
-			pyarchdir = conf.environ['PYTHONARCHDIR']
-		else:
-			# Finally, try to guess
-			(pyarchdir, ) = conf.get_python_variables( ["get_python_lib(plat_specific=1, standard_lib=0, prefix=%r) or ''" % conf.env.PREFIX])
-			if not pyarchdir:
-				pyarchdir = pydir
-
-		if hasattr(conf, 'define'): # conf.define is added by the C tool, so may not exist
-			conf.define('PYTHONDIR', pydir)
-			conf.define('PYTHONARCHDIR', pyarchdir)
-
-		conf.env.PYTHONDIR = pydir
-		conf.env.PYTHONARCHDIR = pyarchdir
-
-	# Feedback
-	pyver_full = '.'.join(map(str, pyver_tuple[:3]))
-	if minver is None:
-		conf.msg('Checking for python version', pyver_full)
-	else:
-		minver_str = '.'.join(map(str, minver))
-		conf.msg('Checking for python version >= %s' % (minver_str,), pyver_full, color=result and 'GREEN' or 'YELLOW')
-
-	if not result:
-		conf.fatal('The python version is too old, expecting %r' % (minver,))
-
-PYTHON_MODULE_TEMPLATE = '''
-import %s as current_module
-version = getattr(current_module, '__version__', None)
-if version is not None:
-	print(str(version))
-else:
-	print('unknown version')
-'''
-
-@conf
-def check_python_module(conf, module_name, condition=''):
-	"""
-	Check if the selected python interpreter can import the given python module::
-
-		def configure(conf):
-			conf.check_python_module('pygccxml')
-			conf.check_python_module('re', condition="ver > num(2, 0, 4) and ver <= num(3, 0, 0)")
-
-	:param module_name: module
-	:type module_name: string
-	"""
-	msg = "Checking for python module %r" % module_name
-	if condition:
-		msg = '%s (%s)' % (msg, condition)
-	conf.start_msg(msg)
-	try:
-		ret = conf.cmd_and_log(conf.env.PYTHON + ['-c', PYTHON_MODULE_TEMPLATE % module_name])
-	except Errors.WafError:
-		conf.end_msg(False)
-		conf.fatal('Could not find the python module %r' % module_name)
-
-	ret = ret.strip()
-	if condition:
-		conf.end_msg(ret)
-		if ret == 'unknown version':
-			conf.fatal('Could not check the %s version' % module_name)
-
-		from distutils.version import LooseVersion
-		def num(*k):
-			if isinstance(k[0], int):
-				return LooseVersion('.'.join([str(x) for x in k]))
-			else:
-				return LooseVersion(k[0])
-		d = {'num': num, 'ver': LooseVersion(ret)}
-		ev = eval(condition, {}, d)
-		if not ev:
-			conf.fatal('The %s version does not satisfy the requirements' % module_name)
-	else:
-		if ret == 'unknown version':
-			conf.end_msg(True)
-		else:
-			conf.end_msg(ret)
-
-def configure(conf):
-	"""
-	Detect the python interpreter
-	"""
-	v = conf.env
-	if getattr(Options.options, 'pythondir', None):
-		v.PYTHONDIR = Options.options.pythondir
-	if getattr(Options.options, 'pythonarchdir', None):
-		v.PYTHONARCHDIR = Options.options.pythonarchdir
-	if getattr(Options.options, 'nopycache', None):
-		v.NOPYCACHE=Options.options.nopycache
-
-	if not v.PYTHON:
-		v.PYTHON = [getattr(Options.options, 'python', None) or sys.executable]
-	v.PYTHON = Utils.to_list(v.PYTHON)
-	conf.find_program('python', var='PYTHON')
-
-	v.PYFLAGS = ''
-	v.PYFLAGS_OPT = '-O'
-
-	v.PYC = getattr(Options.options, 'pyc', 1)
-	v.PYO = getattr(Options.options, 'pyo', 1)
-
-	try:
-		v.PYTAG = conf.cmd_and_log(conf.env.PYTHON + ['-c', "import imp;print(imp.get_tag())"]).strip()
-	except Errors.WafError:
-		pass
-
-def options(opt):
-	"""
-	Add python-specific options
-	"""
-	pyopt=opt.add_option_group("Python Options")
-	pyopt.add_option('--nopyc', dest = 'pyc', action='store_false', default=1,
-					 help = 'Do not install bytecode compiled .pyc files (configuration) [Default:install]')
-	pyopt.add_option('--nopyo', dest='pyo', action='store_false', default=1,
-					 help='Do not install optimised compiled .pyo files (configuration) [Default:install]')
-	pyopt.add_option('--nopycache',dest='nopycache', action='store_true',
-					 help='Do not use __pycache__ directory to install objects [Default:auto]')
-	pyopt.add_option('--python', dest="python",
-					 help='python binary to be used [Default: %s]' % sys.executable)
-	pyopt.add_option('--pythondir', dest='pythondir',
-					 help='Installation path for python modules (py, platform-independent .py and .pyc files)')
-	pyopt.add_option('--pythonarchdir', dest='pythonarchdir',
-					 help='Installation path for python extension (pyext, platform-dependent .so or .dylib files)')
-
diff --git a/waflib/Tools/qt5.py b/waflib/Tools/qt5.py
deleted file mode 100644
index 9f432801..00000000
--- a/waflib/Tools/qt5.py
+++ /dev/null
@@ -1,796 +0,0 @@
-#!/usr/bin/env python
-# encoding: utf-8
-# Thomas Nagy, 2006-2018 (ita)
-
-"""
-This tool helps with finding Qt5 tools and libraries,
-and also provides syntactic sugar for using Qt5 tools.
-
-The following snippet illustrates the tool usage::
-
-	def options(opt):
-		opt.load('compiler_cxx qt5')
-
-	def configure(conf):
-		conf.load('compiler_cxx qt5')
-
-	def build(bld):
-		bld(
-			features = 'qt5 cxx cxxprogram',
-			uselib   = 'QT5CORE QT5GUI QT5OPENGL QT5SVG',
-			source   = 'main.cpp textures.qrc aboutDialog.ui',
-			target   = 'window',
-		)
-
-Here, the UI description and resource files will be processed
-to generate code.
-
-Usage
-=====
-
-Load the "qt5" tool.
-
-You also need to edit your sources accordingly:
-
-- the normal way of doing things is to have your C++ files
-  include the .moc file.
-  This is regarded as the best practice (and provides much faster
-  compilations).
-  It also implies that the include paths have beenset properly.
-
-- to have the include paths added automatically, use the following::
-
-     from waflib.TaskGen import feature, before_method, after_method
-     @feature('cxx')
-     @after_method('process_source')
-     @before_method('apply_incpaths')
-     def add_includes_paths(self):
-        incs = set(self.to_list(getattr(self, 'includes', '')))
-        for x in self.compiled_tasks:
-            incs.add(x.inputs[0].parent.path_from(self.path))
-        self.includes = sorted(incs)
-
-Note: another tool provides Qt processing that does not require
-.moc includes, see 'playground/slow_qt/'.
-
-A few options (--qt{dir,bin,...}) and environment variables
-(QT5_{ROOT,DIR,MOC,UIC,XCOMPILE}) allow finer tuning of the tool,
-tool path selection, etc; please read the source for more info.
-
-The detection uses pkg-config on Linux by default. To force static library detection use:
-QT5_XCOMPILE=1 QT5_FORCE_STATIC=1 waf configure
-"""
-
-from __future__ import with_statement
-
-try:
-	from xml.sax import make_parser
-	from xml.sax.handler import ContentHandler
-except ImportError:
-	has_xml = False
-	ContentHandler = object
-else:
-	has_xml = True
-
-import os, sys, re
-from waflib.Tools import cxx
-from waflib import Task, Utils, Options, Errors, Context
-from waflib.TaskGen import feature, after_method, extension, before_method
-from waflib.Configure import conf
-from waflib import Logs
-
-MOC_H = ['.h', '.hpp', '.hxx', '.hh']
-"""
-File extensions associated to .moc files
-"""
-
-EXT_RCC = ['.qrc']
-"""
-File extension for the resource (.qrc) files
-"""
-
-EXT_UI  = ['.ui']
-"""
-File extension for the user interface (.ui) files
-"""
-
-EXT_QT5 = ['.cpp', '.cc', '.cxx', '.C']
-"""
-File extensions of C++ files that may require a .moc processing
-"""
-
-class qxx(Task.classes['cxx']):
-	"""
-	Each C++ file can have zero or several .moc files to create.
-	They are known only when the files are scanned (preprocessor)
-	To avoid scanning the c++ files each time (parsing C/C++), the results
-	are retrieved from the task cache (bld.node_deps/bld.raw_deps).
-	The moc tasks are also created *dynamically* during the build.
-	"""
-
-	def __init__(self, *k, **kw):
-		Task.Task.__init__(self, *k, **kw)
-		self.moc_done = 0
-
-	def runnable_status(self):
-		"""
-		Compute the task signature to make sure the scanner was executed. Create the
-		moc tasks by using :py:meth:`waflib.Tools.qt5.qxx.add_moc_tasks` (if necessary),
-		then postpone the task execution (there is no need to recompute the task signature).
-		"""
-		if self.moc_done:
-			return Task.Task.runnable_status(self)
-		else:
-			for t in self.run_after:
-				if not t.hasrun:
-					return Task.ASK_LATER
-			self.add_moc_tasks()
-			return Task.Task.runnable_status(self)
-
-	def create_moc_task(self, h_node, m_node):
-		"""
-		If several libraries use the same classes, it is possible that moc will run several times (Issue 1318)
-		It is not possible to change the file names, but we can assume that the moc transformation will be identical,
-		and the moc tasks can be shared in a global cache.
-		"""
-		try:
-			moc_cache = self.generator.bld.moc_cache
-		except AttributeError:
-			moc_cache = self.generator.bld.moc_cache = {}
-
-		try:
-			return moc_cache[h_node]
-		except KeyError:
-			tsk = moc_cache[h_node] = Task.classes['moc'](env=self.env, generator=self.generator)
-			tsk.set_inputs(h_node)
-			tsk.set_outputs(m_node)
-			tsk.env.append_unique('MOC_FLAGS', '-i')
-
-			if self.generator:
-				self.generator.tasks.append(tsk)
-
-			# direct injection in the build phase (safe because called from the main thread)
-			gen = self.generator.bld.producer
-			gen.outstanding.append(tsk)
-			gen.total += 1
-
-			return tsk
-
-		else:
-			# remove the signature, it must be recomputed with the moc task
-			delattr(self, 'cache_sig')
-
-	def add_moc_tasks(self):
-		"""
-		Creates moc tasks by looking in the list of file dependencies ``bld.raw_deps[self.uid()]``
-		"""
-		node = self.inputs[0]
-		bld = self.generator.bld
-
-		try:
-			# compute the signature once to know if there is a moc file to create
-			self.signature()
-		except KeyError:
-			# the moc file may be referenced somewhere else
-			pass
-		else:
-			# remove the signature, it must be recomputed with the moc task
-			delattr(self, 'cache_sig')
-
-		include_nodes = [node.parent] + self.generator.includes_nodes
-
-		moctasks = []
-		mocfiles = set()
-		for d in bld.raw_deps.get(self.uid(), []):
-			if not d.endswith('.moc'):
-				continue
-
-			# process that base.moc only once
-			if d in mocfiles:
-				continue
-			mocfiles.add(d)
-
-			# find the source associated with the moc file
-			h_node = None
-			base2 = d[:-4]
-
-			# foo.moc from foo.cpp
-			prefix = node.name[:node.name.rfind('.')]
-			if base2 == prefix:
-				h_node = node
-			else:
-				# this deviates from the standard
-				# if bar.cpp includes foo.moc, then assume it is from foo.h
-				for x in include_nodes:
-					for e in MOC_H:
-						h_node = x.find_node(base2 + e)
-						if h_node:
-							break
-					else:
-						continue
-					break
-			if h_node:
-				m_node = h_node.change_ext('.moc')
-			else:
-				raise Errors.WafError('No source found for %r which is a moc file' % d)
-
-			# create the moc task
-			task = self.create_moc_task(h_node, m_node)
-			moctasks.append(task)
-
-		# simple scheduler dependency: run the moc task before others
-		self.run_after.update(set(moctasks))
-		self.moc_done = 1
-
-class trans_update(Task.Task):
-	"""Updates a .ts files from a list of C++ files"""
-	run_str = '${QT_LUPDATE} ${SRC} -ts ${TGT}'
-	color   = 'BLUE'
-
-class XMLHandler(ContentHandler):
-	"""
-	Parses ``.qrc`` files
-	"""
-	def __init__(self):
-		ContentHandler.__init__(self)
-		self.buf = []
-		self.files = []
-	def startElement(self, name, attrs):
-		if name == 'file':
-			self.buf = []
-	def endElement(self, name):
-		if name == 'file':
-			self.files.append(str(''.join(self.buf)))
-	def characters(self, cars):
-		self.buf.append(cars)
-
-@extension(*EXT_RCC)
-def create_rcc_task(self, node):
-	"Creates rcc and cxx tasks for ``.qrc`` files"
-	rcnode = node.change_ext('_rc.%d.cpp' % self.idx)
-	self.create_task('rcc', node, rcnode)
-	cpptask = self.create_task('cxx', rcnode, rcnode.change_ext('.o'))
-	try:
-		self.compiled_tasks.append(cpptask)
-	except AttributeError:
-		self.compiled_tasks = [cpptask]
-	return cpptask
-
-@extension(*EXT_UI)
-def create_uic_task(self, node):
-	"Create uic tasks for user interface ``.ui`` definition files"
-
-	"""
-	If UIC file is used in more than one bld, we would have a conflict in parallel execution
-	It is not possible to change the file names (like .self.idx. as for objects) as they have 
-	to be referenced by the source file, but we can assume that the transformation will be identical 
-	and the tasks can be shared in a global cache.
-	"""
-	try:
-		uic_cache = self.bld.uic_cache
-	except AttributeError:
-		uic_cache = self.bld.uic_cache = {}
-
-	if node not in uic_cache:
-		uictask = uic_cache[node] = self.create_task('ui5', node)
-		uictask.outputs = [node.parent.find_or_declare(self.env.ui_PATTERN % node.name[:-3])]
-
-@extension('.ts')
-def add_lang(self, node):
-	"""Adds all the .ts file into ``self.lang``"""
-	self.lang = self.to_list(getattr(self, 'lang', [])) + [node]
-
-@feature('qt5')
-@before_method('process_source')
-def process_mocs(self):
-	"""
-	Processes MOC files included in headers::
-
-		def build(bld):
-			bld.program(features='qt5', source='main.cpp', target='app', use='QT5CORE', moc='foo.h')
-
-	The build will run moc on foo.h to create moc_foo.n.cpp. The number in the file name
-	is provided to avoid name clashes when the same headers are used by several targets.
-	"""
-	lst = self.to_nodes(getattr(self, 'moc', []))
-	self.source = self.to_list(getattr(self, 'source', []))
-	for x in lst:
-		prefix = x.name[:x.name.rfind('.')] # foo.h -> foo
-		moc_target = 'moc_%s.%d.cpp' % (prefix, self.idx)
-		moc_node = x.parent.find_or_declare(moc_target)
-		self.source.append(moc_node)
-
-		self.create_task('moc', x, moc_node)
-
-@feature('qt5')
-@after_method('apply_link')
-def apply_qt5(self):
-	"""
-	Adds MOC_FLAGS which may be necessary for moc::
-
-		def build(bld):
-			bld.program(features='qt5', source='main.cpp', target='app', use='QT5CORE')
-
-	The additional parameters are:
-
-	:param lang: list of translation files (\\*.ts) to process
-	:type lang: list of :py:class:`waflib.Node.Node` or string without the .ts extension
-	:param update: whether to process the C++ files to update the \\*.ts files (use **waf --translate**)
-	:type update: bool
-	:param langname: if given, transform the \\*.ts files into a .qrc files to include in the binary file
-	:type langname: :py:class:`waflib.Node.Node` or string without the .qrc extension
-	"""
-	if getattr(self, 'lang', None):
-		qmtasks = []
-		for x in self.to_list(self.lang):
-			if isinstance(x, str):
-				x = self.path.find_resource(x + '.ts')
-			qmtasks.append(self.create_task('ts2qm', x, x.change_ext('.%d.qm' % self.idx)))
-
-		if getattr(self, 'update', None) and Options.options.trans_qt5:
-			cxxnodes = [a.inputs[0] for a in self.compiled_tasks] + [
-				a.inputs[0] for a in self.tasks if a.inputs and a.inputs[0].name.endswith('.ui')]
-			for x in qmtasks:
-				self.create_task('trans_update', cxxnodes, x.inputs)
-
-		if getattr(self, 'langname', None):
-			qmnodes = [x.outputs[0] for x in qmtasks]
-			rcnode = self.langname
-			if isinstance(rcnode, str):
-				rcnode = self.path.find_or_declare(rcnode + ('.%d.qrc' % self.idx))
-			t = self.create_task('qm2rcc', qmnodes, rcnode)
-			k = create_rcc_task(self, t.outputs[0])
-			self.link_task.inputs.append(k.outputs[0])
-
-	lst = []
-	for flag in self.to_list(self.env.CXXFLAGS):
-		if len(flag) < 2:
-			continue
-		f = flag[0:2]
-		if f in ('-D', '-I', '/D', '/I'):
-			if (f[0] == '/'):
-				lst.append('-' + flag[1:])
-			else:
-				lst.append(flag)
-	self.env.append_value('MOC_FLAGS', lst)
-
-@extension(*EXT_QT5)
-def cxx_hook(self, node):
-	"""
-	Re-maps C++ file extensions to the :py:class:`waflib.Tools.qt5.qxx` task.
-	"""
-	return self.create_compiled_task('qxx', node)
-
-class rcc(Task.Task):
-	"""
-	Processes ``.qrc`` files
-	"""
-	color   = 'BLUE'
-	run_str = '${QT_RCC} -name ${tsk.rcname()} ${SRC[0].abspath()} ${RCC_ST} -o ${TGT}'
-	ext_out = ['.h']
-
-	def rcname(self):
-		return os.path.splitext(self.inputs[0].name)[0]
-
-	def scan(self):
-		"""Parse the *.qrc* files"""
-		if not has_xml:
-			Logs.error('No xml.sax support was found, rcc dependencies will be incomplete!')
-			return ([], [])
-
-		parser = make_parser()
-		curHandler = XMLHandler()
-		parser.setContentHandler(curHandler)
-		with open(self.inputs[0].abspath(), 'r') as f:
-			parser.parse(f)
-
-		nodes = []
-		names = []
-		root = self.inputs[0].parent
-		for x in curHandler.files:
-			nd = root.find_resource(x)
-			if nd:
-				nodes.append(nd)
-			else:
-				names.append(x)
-		return (nodes, names)
-
-	def quote_flag(self, x):
-		"""
-		Override Task.quote_flag. QT parses the argument files
-		differently than cl.exe and link.exe
-
-		:param x: flag
-		:type x: string
-		:return: quoted flag
-		:rtype: string
-		"""
-		return x
-
-
-class moc(Task.Task):
-	"""
-	Creates ``.moc`` files
-	"""
-	color   = 'BLUE'
-	run_str = '${QT_MOC} ${MOC_FLAGS} ${MOCCPPPATH_ST:INCPATHS} ${MOCDEFINES_ST:DEFINES} ${SRC} ${MOC_ST} ${TGT}'
-
-	def quote_flag(self, x):
-		"""
-		Override Task.quote_flag. QT parses the argument files
-		differently than cl.exe and link.exe
-
-		:param x: flag
-		:type x: string
-		:return: quoted flag
-		:rtype: string
-		"""
-		return x
-
-
-class ui5(Task.Task):
-	"""
-	Processes ``.ui`` files
-	"""
-	color   = 'BLUE'
-	run_str = '${QT_UIC} ${SRC} -o ${TGT}'
-	ext_out = ['.h']
-
-class ts2qm(Task.Task):
-	"""
-	Generates ``.qm`` files from ``.ts`` files
-	"""
-	color   = 'BLUE'
-	run_str = '${QT_LRELEASE} ${QT_LRELEASE_FLAGS} ${SRC} -qm ${TGT}'
-
-class qm2rcc(Task.Task):
-	"""
-	Generates ``.qrc`` files from ``.qm`` files
-	"""
-	color = 'BLUE'
-	after = 'ts2qm'
-	def run(self):
-		"""Create a qrc file including the inputs"""
-		txt = '\n'.join(['<file>%s</file>' % k.path_from(self.outputs[0].parent) for k in self.inputs])
-		code = '<!DOCTYPE RCC><RCC version="1.0">\n<qresource>\n%s\n</qresource>\n</RCC>' % txt
-		self.outputs[0].write(code)
-
-def configure(self):
-	"""
-	Besides the configuration options, the environment variable QT5_ROOT may be used
-	to give the location of the qt5 libraries (absolute path).
-
-	The detection uses the program ``pkg-config`` through :py:func:`waflib.Tools.config_c.check_cfg`
-	"""
-	self.find_qt5_binaries()
-	self.set_qt5_libs_dir()
-	self.set_qt5_libs_to_check()
-	self.set_qt5_defines()
-	self.find_qt5_libraries()
-	self.add_qt5_rpath()
-	self.simplify_qt5_libs()
-
-	# warn about this during the configuration too
-	if not has_xml:
-		Logs.error('No xml.sax support was found, rcc dependencies will be incomplete!')
-
-	if 'COMPILER_CXX' not in self.env:
-		self.fatal('No CXX compiler defined: did you forget to configure compiler_cxx first?')
-
-	# Qt5 may be compiled with '-reduce-relocations' which requires dependent programs to have -fPIE or -fPIC?
-	frag = '#include <QApplication>\nint main(int argc, char **argv) {return 0;}\n'
-	uses = 'QT5CORE QT5WIDGETS QT5GUI'
-	for flag in [[], '-fPIE', '-fPIC', '-std=c++11' , ['-std=c++11', '-fPIE'], ['-std=c++11', '-fPIC']]:
-		msg = 'See if Qt files compile '
-		if flag:
-			msg += 'with %s' % flag
-		try:
-			self.check(features='qt5 cxx', use=uses, uselib_store='qt5', cxxflags=flag, fragment=frag, msg=msg)
-		except self.errors.ConfigurationError:
-			pass
-		else:
-			break
-	else:
-		self.fatal('Could not build a simple Qt application')
-
-	# FreeBSD does not add /usr/local/lib and the pkg-config files do not provide it either :-/
-	if Utils.unversioned_sys_platform() == 'freebsd':
-		frag = '#include <QApplication>\nint main(int argc, char **argv) { QApplication app(argc, argv); return NULL != (void*) (&app);}\n'
-		try:
-			self.check(features='qt5 cxx cxxprogram', use=uses, fragment=frag, msg='Can we link Qt programs on FreeBSD directly?')
-		except self.errors.ConfigurationError:
-			self.check(features='qt5 cxx cxxprogram', use=uses, uselib_store='qt5', libpath='/usr/local/lib', fragment=frag, msg='Is /usr/local/lib required?')
-
-@conf
-def find_qt5_binaries(self):
-	"""
-	Detects Qt programs such as qmake, moc, uic, lrelease
-	"""
-	env = self.env
-	opt = Options.options
-
-	qtdir = getattr(opt, 'qtdir', '')
-	qtbin = getattr(opt, 'qtbin', '')
-
-	paths = []
-
-	if qtdir:
-		qtbin = os.path.join(qtdir, 'bin')
-
-	# the qt directory has been given from QT5_ROOT - deduce the qt binary path
-	if not qtdir:
-		qtdir = self.environ.get('QT5_ROOT', '')
-		qtbin = self.environ.get('QT5_BIN') or os.path.join(qtdir, 'bin')
-
-	if qtbin:
-		paths = [qtbin]
-
-	# no qtdir, look in the path and in /usr/local/Trolltech
-	if not qtdir:
-		paths = self.environ.get('PATH', '').split(os.pathsep)
-		paths.extend(['/usr/share/qt5/bin', '/usr/local/lib/qt5/bin'])
-		try:
-			lst = Utils.listdir('/usr/local/Trolltech/')
-		except OSError:
-			pass
-		else:
-			if lst:
-				lst.sort()
-				lst.reverse()
-
-				# keep the highest version
-				qtdir = '/usr/local/Trolltech/%s/' % lst[0]
-				qtbin = os.path.join(qtdir, 'bin')
-				paths.append(qtbin)
-
-	# at the end, try to find qmake in the paths given
-	# keep the one with the highest version
-	cand = None
-	prev_ver = ['5', '0', '0']
-	for qmk in ('qmake-qt5', 'qmake5', 'qmake'):
-		try:
-			qmake = self.find_program(qmk, path_list=paths)
-		except self.errors.ConfigurationError:
-			pass
-		else:
-			try:
-				version = self.cmd_and_log(qmake + ['-query', 'QT_VERSION']).strip()
-			except self.errors.WafError:
-				pass
-			else:
-				if version:
-					new_ver = version.split('.')
-					if new_ver > prev_ver:
-						cand = qmake
-						prev_ver = new_ver
-
-	# qmake could not be found easily, rely on qtchooser
-	if not cand:
-		try:
-			self.find_program('qtchooser')
-		except self.errors.ConfigurationError:
-			pass
-		else:
-			cmd = self.env.QTCHOOSER + ['-qt=5', '-run-tool=qmake']
-			try:
-				version = self.cmd_and_log(cmd + ['-query', 'QT_VERSION'])
-			except self.errors.WafError:
-				pass
-			else:
-				cand = cmd
-
-	if cand:
-		self.env.QMAKE = cand
-	else:
-		self.fatal('Could not find qmake for qt5')
-
-	self.env.QT_HOST_BINS = qtbin = self.cmd_and_log(self.env.QMAKE + ['-query', 'QT_HOST_BINS']).strip()
-	paths.insert(0, qtbin)
-
-	def find_bin(lst, var):
-		if var in env:
-			return
-		for f in lst:
-			try:
-				ret = self.find_program(f, path_list=paths)
-			except self.errors.ConfigurationError:
-				pass
-			else:
-				env[var]=ret
-				break
-
-	find_bin(['uic-qt5', 'uic'], 'QT_UIC')
-	if not env.QT_UIC:
-		self.fatal('cannot find the uic compiler for qt5')
-
-	self.start_msg('Checking for uic version')
-	uicver = self.cmd_and_log(env.QT_UIC + ['-version'], output=Context.BOTH)
-	uicver = ''.join(uicver).strip()
-	uicver = uicver.replace('Qt User Interface Compiler ','').replace('User Interface Compiler for Qt', '')
-	self.end_msg(uicver)
-	if uicver.find(' 3.') != -1 or uicver.find(' 4.') != -1:
-		self.fatal('this uic compiler is for qt3 or qt4, add uic for qt5 to your path')
-
-	find_bin(['moc-qt5', 'moc'], 'QT_MOC')
-	find_bin(['rcc-qt5', 'rcc'], 'QT_RCC')
-	find_bin(['lrelease-qt5', 'lrelease'], 'QT_LRELEASE')
-	find_bin(['lupdate-qt5', 'lupdate'], 'QT_LUPDATE')
-
-	env.UIC_ST = '%s -o %s'
-	env.MOC_ST = '-o'
-	env.ui_PATTERN = 'ui_%s.h'
-	env.QT_LRELEASE_FLAGS = ['-silent']
-	env.MOCCPPPATH_ST = '-I%s'
-	env.MOCDEFINES_ST = '-D%s'
-
-@conf
-def set_qt5_libs_dir(self):
-	env = self.env
-	qtlibs = getattr(Options.options, 'qtlibs', None) or self.environ.get('QT5_LIBDIR')
-	if not qtlibs:
-		try:
-			qtlibs = self.cmd_and_log(env.QMAKE + ['-query', 'QT_INSTALL_LIBS']).strip()
-		except Errors.WafError:
-			qtdir = self.cmd_and_log(env.QMAKE + ['-query', 'QT_INSTALL_PREFIX']).strip()
-			qtlibs = os.path.join(qtdir, 'lib')
-	self.msg('Found the Qt5 libraries in', qtlibs)
-	env.QTLIBS = qtlibs
-
-@conf
-def find_single_qt5_lib(self, name, uselib, qtlibs, qtincludes, force_static):
-	env = self.env
-	if force_static:
-		exts = ('.a', '.lib')
-		prefix = 'STLIB'
-	else:
-		exts = ('.so', '.lib')
-		prefix = 'LIB'
-
-	def lib_names():
-		for x in exts:
-			for k in ('', '5') if Utils.is_win32 else ['']:
-				for p in ('lib', ''):
-					yield (p, name, k, x)
-
-	for tup in lib_names():
-		k = ''.join(tup)
-		path = os.path.join(qtlibs, k)
-		if os.path.exists(path):
-			if env.DEST_OS == 'win32':
-				libval = ''.join(tup[:-1])
-			else:
-				libval = name
-			env.append_unique(prefix + '_' + uselib, libval)
-			env.append_unique('%sPATH_%s' % (prefix, uselib), qtlibs)
-			env.append_unique('INCLUDES_' + uselib, qtincludes)
-			env.append_unique('INCLUDES_' + uselib, os.path.join(qtincludes, name.replace('Qt5', 'Qt')))
-			return k
-	return False
-
-@conf
-def find_qt5_libraries(self):
-	env = self.env
-
-	qtincludes =  self.environ.get('QT5_INCLUDES') or self.cmd_and_log(env.QMAKE + ['-query', 'QT_INSTALL_HEADERS']).strip()
-	force_static = self.environ.get('QT5_FORCE_STATIC')
-	try:
-		if self.environ.get('QT5_XCOMPILE'):
-			self.fatal('QT5_XCOMPILE Disables pkg-config detection')
-		self.check_cfg(atleast_pkgconfig_version='0.1')
-	except self.errors.ConfigurationError:
-		for i in self.qt5_vars:
-			uselib = i.upper()
-			if Utils.unversioned_sys_platform() == 'darwin':
-				# Since at least qt 4.7.3 each library locates in separate directory
-				fwk = i.replace('Qt5', 'Qt')
-				frameworkName = fwk + '.framework'
-
-				qtDynamicLib = os.path.join(env.QTLIBS, frameworkName, fwk)
-				if os.path.exists(qtDynamicLib):
-					env.append_unique('FRAMEWORK_' + uselib, fwk)
-					env.append_unique('FRAMEWORKPATH_' + uselib, env.QTLIBS)
-					self.msg('Checking for %s' % i, qtDynamicLib, 'GREEN')
-				else:
-					self.msg('Checking for %s' % i, False, 'YELLOW')
-				env.append_unique('INCLUDES_' + uselib, os.path.join(env.QTLIBS, frameworkName, 'Headers'))
-			else:
-				ret = self.find_single_qt5_lib(i, uselib, env.QTLIBS, qtincludes, force_static)
-				if not force_static and not ret:
-					ret = self.find_single_qt5_lib(i, uselib, env.QTLIBS, qtincludes, True)
-				self.msg('Checking for %s' % i, ret, 'GREEN' if ret else 'YELLOW')
-	else:
-		path = '%s:%s:%s/pkgconfig:/usr/lib/qt5/lib/pkgconfig:/opt/qt5/lib/pkgconfig:/usr/lib/qt5/lib:/opt/qt5/lib' % (
-			self.environ.get('PKG_CONFIG_PATH', ''), env.QTLIBS, env.QTLIBS)
-		for i in self.qt5_vars:
-			self.check_cfg(package=i, args='--cflags --libs', mandatory=False, force_static=force_static, pkg_config_path=path)
-
-@conf
-def simplify_qt5_libs(self):
-	"""
-	Since library paths make really long command-lines,
-	and since everything depends on qtcore, remove the qtcore ones from qtgui, etc
-	"""
-	env = self.env
-	def process_lib(vars_, coreval):
-		for d in vars_:
-			var = d.upper()
-			if var == 'QTCORE':
-				continue
-
-			value = env['LIBPATH_'+var]
-			if value:
-				core = env[coreval]
-				accu = []
-				for lib in value:
-					if lib in core:
-						continue
-					accu.append(lib)
-				env['LIBPATH_'+var] = accu
-	process_lib(self.qt5_vars,       'LIBPATH_QTCORE')
-
-@conf
-def add_qt5_rpath(self):
-	"""
-	Defines rpath entries for Qt libraries
-	"""
-	env = self.env
-	if getattr(Options.options, 'want_rpath', False):
-		def process_rpath(vars_, coreval):
-			for d in vars_:
-				var = d.upper()
-				value = env['LIBPATH_' + var]
-				if value:
-					core = env[coreval]
-					accu = []
-					for lib in value:
-						if var != 'QTCORE':
-							if lib in core:
-								continue
-						accu.append('-Wl,--rpath='+lib)
-					env['RPATH_' + var] = accu
-		process_rpath(self.qt5_vars,       'LIBPATH_QTCORE')
-
-@conf
-def set_qt5_libs_to_check(self):
-	self.qt5_vars = Utils.to_list(getattr(self, 'qt5_vars', []))
-	if not self.qt5_vars:
-		dirlst = Utils.listdir(self.env.QTLIBS)
-
-		pat = self.env.cxxshlib_PATTERN
-		if Utils.is_win32:
-			pat = pat.replace('.dll', '.lib')
-		if self.environ.get('QT5_FORCE_STATIC'):
-			pat = self.env.cxxstlib_PATTERN
-		if Utils.unversioned_sys_platform() == 'darwin':
-			pat = r"%s\.framework"
-		re_qt = re.compile(pat%'Qt5?(?P<name>.*)'+'$')
-		for x in dirlst:
-			m = re_qt.match(x)
-			if m:
-				self.qt5_vars.append("Qt5%s" % m.group('name'))
-		if not self.qt5_vars:
-			self.fatal('cannot find any Qt5 library (%r)' % self.env.QTLIBS)
-
-	qtextralibs = getattr(Options.options, 'qtextralibs', None)
-	if qtextralibs:
-		self.qt5_vars.extend(qtextralibs.split(','))
-
-@conf
-def set_qt5_defines(self):
-	if sys.platform != 'win32':
-		return
-	for x in self.qt5_vars:
-		y=x.replace('Qt5', 'Qt')[2:].upper()
-		self.env.append_unique('DEFINES_%s' % x.upper(), 'QT_%s_LIB' % y)
-
-def options(opt):
-	"""
-	Command-line options
-	"""
-	opt.add_option('--want-rpath', action='store_true', default=False, dest='want_rpath', help='enable the rpath for qt libraries')
-	for i in 'qtdir qtbin qtlibs'.split():
-		opt.add_option('--'+i, type='string', default='', dest=i)
-
-	opt.add_option('--translate', action='store_true', help='collect translation strings', dest='trans_qt5', default=False)
-	opt.add_option('--qtextralibs', type='string', default='', dest='qtextralibs', help='additional qt libraries on the system to add to default ones, comma separated')
-
diff --git a/waflib/Tools/ruby.py b/waflib/Tools/ruby.py
deleted file mode 100644
index 8d92a79a..00000000
--- a/waflib/Tools/ruby.py
+++ /dev/null
@@ -1,186 +0,0 @@
-#!/usr/bin/env python
-# encoding: utf-8
-# daniel.svensson at purplescout.se 2008
-# Thomas Nagy 2016-2018 (ita)
-
-"""
-Support for Ruby extensions. A C/C++ compiler is required::
-
-	def options(opt):
-		opt.load('compiler_c ruby')
-	def configure(conf):
-		conf.load('compiler_c ruby')
-		conf.check_ruby_version((1,8,0))
-		conf.check_ruby_ext_devel()
-		conf.check_ruby_module('libxml')
-	def build(bld):
-		bld(
-			features = 'c cshlib rubyext',
-			source = 'rb_mytest.c',
-			target = 'mytest_ext',
-			install_path = '${ARCHDIR_RUBY}')
-		bld.install_files('${LIBDIR_RUBY}', 'Mytest.rb')
-"""
-
-import os
-from waflib import Errors, Options, Task, Utils
-from waflib.TaskGen import before_method, feature, extension
-from waflib.Configure import conf
-
-@feature('rubyext')
-@before_method('apply_incpaths', 'process_source', 'apply_bundle', 'apply_link')
-def init_rubyext(self):
-	"""
-	Add required variables for ruby extensions
-	"""
-	self.install_path = '${ARCHDIR_RUBY}'
-	self.uselib = self.to_list(getattr(self, 'uselib', ''))
-	if not 'RUBY' in self.uselib:
-		self.uselib.append('RUBY')
-	if not 'RUBYEXT' in self.uselib:
-		self.uselib.append('RUBYEXT')
-
-@feature('rubyext')
-@before_method('apply_link', 'propagate_uselib_vars')
-def apply_ruby_so_name(self):
-	"""
-	Strip the *lib* prefix from ruby extensions
-	"""
-	self.env.cshlib_PATTERN = self.env.cxxshlib_PATTERN = self.env.rubyext_PATTERN
-
-@conf
-def check_ruby_version(self, minver=()):
-	"""
-	Checks if ruby is installed.
-	If installed the variable RUBY will be set in environment.
-	The ruby binary can be overridden by ``--with-ruby-binary`` command-line option.
-	"""
-
-	ruby = self.find_program('ruby', var='RUBY', value=Options.options.rubybinary)
-
-	try:
-		version = self.cmd_and_log(ruby + ['-e', 'puts defined?(VERSION) ? VERSION : RUBY_VERSION']).strip()
-	except Errors.WafError:
-		self.fatal('could not determine ruby version')
-	self.env.RUBY_VERSION = version
-
-	try:
-		ver = tuple(map(int, version.split('.')))
-	except Errors.WafError:
-		self.fatal('unsupported ruby version %r' % version)
-
-	cver = ''
-	if minver:
-		cver = '> ' + '.'.join(str(x) for x in minver)
-		if ver < minver:
-			self.fatal('ruby is too old %r' % ver)
-
-	self.msg('Checking for ruby version %s' % cver, version)
-
-@conf
-def check_ruby_ext_devel(self):
-	"""
-	Check if a ruby extension can be created
-	"""
-	if not self.env.RUBY:
-		self.fatal('ruby detection is required first')
-
-	if not self.env.CC_NAME and not self.env.CXX_NAME:
-		self.fatal('load a c/c++ compiler first')
-
-	version = tuple(map(int, self.env.RUBY_VERSION.split(".")))
-
-	def read_out(cmd):
-		return Utils.to_list(self.cmd_and_log(self.env.RUBY + ['-rrbconfig', '-e', cmd]))
-
-	def read_config(key):
-		return read_out('puts RbConfig::CONFIG[%r]' % key)
-
-	cpppath = archdir = read_config('archdir')
-
-	if version >= (1, 9, 0):
-		ruby_hdrdir = read_config('rubyhdrdir')
-		cpppath += ruby_hdrdir
-		if version >= (2, 0, 0):
-			cpppath += read_config('rubyarchhdrdir')
-		cpppath += [os.path.join(ruby_hdrdir[0], read_config('arch')[0])]
-
-	self.check(header_name='ruby.h', includes=cpppath, errmsg='could not find ruby header file', link_header_test=False)
-
-	self.env.LIBPATH_RUBYEXT = read_config('libdir')
-	self.env.LIBPATH_RUBYEXT += archdir
-	self.env.INCLUDES_RUBYEXT = cpppath
-	self.env.CFLAGS_RUBYEXT = read_config('CCDLFLAGS')
-	self.env.rubyext_PATTERN = '%s.' + read_config('DLEXT')[0]
-
-	# ok this is really stupid, but the command and flags are combined.
-	# so we try to find the first argument...
-	flags = read_config('LDSHARED')
-	while flags and flags[0][0] != '-':
-		flags = flags[1:]
-
-	# we also want to strip out the deprecated ppc flags
-	if len(flags) > 1 and flags[1] == "ppc":
-		flags = flags[2:]
-
-	self.env.LINKFLAGS_RUBYEXT = flags
-	self.env.LINKFLAGS_RUBYEXT += read_config('LIBS')
-	self.env.LINKFLAGS_RUBYEXT += read_config('LIBRUBYARG_SHARED')
-
-	if Options.options.rubyarchdir:
-		self.env.ARCHDIR_RUBY = Options.options.rubyarchdir
-	else:
-		self.env.ARCHDIR_RUBY = read_config('sitearchdir')[0]
-
-	if Options.options.rubylibdir:
-		self.env.LIBDIR_RUBY = Options.options.rubylibdir
-	else:
-		self.env.LIBDIR_RUBY = read_config('sitelibdir')[0]
-
-@conf
-def check_ruby_module(self, module_name):
-	"""
-	Check if the selected ruby interpreter can require the given ruby module::
-
-		def configure(conf):
-			conf.check_ruby_module('libxml')
-
-	:param module_name: module
-	:type  module_name: string
-	"""
-	self.start_msg('Ruby module %s' % module_name)
-	try:
-		self.cmd_and_log(self.env.RUBY + ['-e', 'require \'%s\';puts 1' % module_name])
-	except Errors.WafError:
-		self.end_msg(False)
-		self.fatal('Could not find the ruby module %r' % module_name)
-	self.end_msg(True)
-
-@extension('.rb')
-def process(self, node):
-	return self.create_task('run_ruby', node)
-
-class run_ruby(Task.Task):
-	"""
-	Task to run ruby files detected by file extension .rb::
-
-		def options(opt):
-			opt.load('ruby')
-
-		def configure(ctx):
-			ctx.check_ruby_version()
-
-		def build(bld):
-			bld.env.RBFLAGS = '-e puts "hello world"'
-			bld(source='a_ruby_file.rb')
-	"""
-	run_str = '${RUBY} ${RBFLAGS} -I ${SRC[0].parent.abspath()} ${SRC}'
-
-def options(opt):
-	"""
-	Add the ``--with-ruby-archdir``, ``--with-ruby-libdir`` and ``--with-ruby-binary`` options
-	"""
-	opt.add_option('--with-ruby-archdir', type='string', dest='rubyarchdir', help='Specify directory where to install arch specific files')
-	opt.add_option('--with-ruby-libdir', type='string', dest='rubylibdir', help='Specify alternate ruby library path')
-	opt.add_option('--with-ruby-binary', type='string', dest='rubybinary', help='Specify alternate ruby binary')
-
diff --git a/waflib/Tools/suncc.py b/waflib/Tools/suncc.py
deleted file mode 100644
index 33d34fc9..00000000
--- a/waflib/Tools/suncc.py
+++ /dev/null
@@ -1,67 +0,0 @@
-#!/usr/bin/env python
-# encoding: utf-8
-# Thomas Nagy, 2006-2018 (ita)
-# Ralf Habacker, 2006 (rh)
-
-from waflib import Errors
-from waflib.Tools import ccroot, ar
-from waflib.Configure import conf
-
-@conf
-def find_scc(conf):
-	"""
-	Detects the Sun C compiler
-	"""
-	v = conf.env
-	cc = conf.find_program('cc', var='CC')
-	try:
-		conf.cmd_and_log(cc + ['-flags'])
-	except Errors.WafError:
-		conf.fatal('%r is not a Sun compiler' % cc)
-	v.CC_NAME = 'sun'
-	conf.get_suncc_version(cc)
-
-@conf
-def scc_common_flags(conf):
-	"""
-	Flags required for executing the sun C compiler
-	"""
-	v = conf.env
-
-	v.CC_SRC_F            = []
-	v.CC_TGT_F            = ['-c', '-o', '']
-
-	if not v.LINK_CC:
-		v.LINK_CC = v.CC
-
-	v.CCLNK_SRC_F         = ''
-	v.CCLNK_TGT_F         = ['-o', '']
-	v.CPPPATH_ST          = '-I%s'
-	v.DEFINES_ST          = '-D%s'
-
-	v.LIB_ST              = '-l%s' # template for adding libs
-	v.LIBPATH_ST          = '-L%s' # template for adding libpaths
-	v.STLIB_ST            = '-l%s'
-	v.STLIBPATH_ST        = '-L%s'
-
-	v.SONAME_ST           = '-Wl,-h,%s'
-	v.SHLIB_MARKER        = '-Bdynamic'
-	v.STLIB_MARKER        = '-Bstatic'
-
-	v.cprogram_PATTERN    = '%s'
-
-	v.CFLAGS_cshlib       = ['-xcode=pic32', '-DPIC']
-	v.LINKFLAGS_cshlib    = ['-G']
-	v.cshlib_PATTERN      = 'lib%s.so'
-
-	v.LINKFLAGS_cstlib    = ['-Bstatic']
-	v.cstlib_PATTERN      = 'lib%s.a'
-
-def configure(conf):
-	conf.find_scc()
-	conf.find_ar()
-	conf.scc_common_flags()
-	conf.cc_load_tools()
-	conf.cc_add_flags()
-	conf.link_add_flags()
-
diff --git a/waflib/Tools/suncxx.py b/waflib/Tools/suncxx.py
deleted file mode 100644
index 3b384f6f..00000000
--- a/waflib/Tools/suncxx.py
+++ /dev/null
@@ -1,67 +0,0 @@
-#!/usr/bin/env python
-# encoding: utf-8
-# Thomas Nagy, 2006-2018 (ita)
-# Ralf Habacker, 2006 (rh)
-
-from waflib import Errors
-from waflib.Tools import ccroot, ar
-from waflib.Configure import conf
-
-@conf
-def find_sxx(conf):
-	"""
-	Detects the sun C++ compiler
-	"""
-	v = conf.env
-	cc = conf.find_program(['CC', 'c++'], var='CXX')
-	try:
-		conf.cmd_and_log(cc + ['-flags'])
-	except Errors.WafError:
-		conf.fatal('%r is not a Sun compiler' % cc)
-	v.CXX_NAME = 'sun'
-	conf.get_suncc_version(cc)
-
-@conf
-def sxx_common_flags(conf):
-	"""
-	Flags required for executing the sun C++ compiler
-	"""
-	v = conf.env
-
-	v.CXX_SRC_F           = []
-	v.CXX_TGT_F           = ['-c', '-o', '']
-
-	if not v.LINK_CXX:
-		v.LINK_CXX = v.CXX
-
-	v.CXXLNK_SRC_F        = []
-	v.CXXLNK_TGT_F        = ['-o', '']
-	v.CPPPATH_ST          = '-I%s'
-	v.DEFINES_ST          = '-D%s'
-
-	v.LIB_ST              = '-l%s' # template for adding libs
-	v.LIBPATH_ST          = '-L%s' # template for adding libpaths
-	v.STLIB_ST            = '-l%s'
-	v.STLIBPATH_ST        = '-L%s'
-
-	v.SONAME_ST           = '-Wl,-h,%s'
-	v.SHLIB_MARKER        = '-Bdynamic'
-	v.STLIB_MARKER        = '-Bstatic'
-
-	v.cxxprogram_PATTERN  = '%s'
-
-	v.CXXFLAGS_cxxshlib   = ['-xcode=pic32', '-DPIC']
-	v.LINKFLAGS_cxxshlib  = ['-G']
-	v.cxxshlib_PATTERN    = 'lib%s.so'
-
-	v.LINKFLAGS_cxxstlib  = ['-Bstatic']
-	v.cxxstlib_PATTERN    = 'lib%s.a'
-
-def configure(conf):
-	conf.find_sxx()
-	conf.find_ar()
-	conf.sxx_common_flags()
-	conf.cxx_load_tools()
-	conf.cxx_add_flags()
-	conf.link_add_flags()
-
diff --git a/waflib/Tools/tex.py b/waflib/Tools/tex.py
deleted file mode 100644
index eaf9fdb5..00000000
--- a/waflib/Tools/tex.py
+++ /dev/null
@@ -1,543 +0,0 @@
-#!/usr/bin/env python
-# encoding: utf-8
-# Thomas Nagy, 2006-2018 (ita)
-
-"""
-TeX/LaTeX/PDFLaTeX/XeLaTeX support
-
-Example::
-
-	def configure(conf):
-		conf.load('tex')
-		if not conf.env.LATEX:
-			conf.fatal('The program LaTex is required')
-
-	def build(bld):
-		bld(
-			features = 'tex',
-			type     = 'latex', # pdflatex or xelatex
-			source   = 'document.ltx', # mandatory, the source
-			outs     = 'ps', # 'pdf' or 'ps pdf'
-			deps     = 'crossreferencing.lst', # to give dependencies directly
-			prompt   = 1, # 0 for the batch mode
-		)
-
-Notes:
-
-- To configure with a special program, use::
-
-     $ PDFLATEX=luatex waf configure
-
-- This tool does not use the target attribute of the task generator
-  (``bld(target=...)``); the target file name is built from the source
-  base name and the output type(s)
-"""
-
-import os, re
-from waflib import Utils, Task, Errors, Logs, Node
-from waflib.TaskGen import feature, before_method
-
-re_bibunit = re.compile(r'\\(?P<type>putbib)\[(?P<file>[^\[\]]*)\]',re.M)
-def bibunitscan(self):
-	"""
-	Parses TeX inputs and try to find the *bibunit* file dependencies
-
-	:return: list of bibunit files
-	:rtype: list of :py:class:`waflib.Node.Node`
-	"""
-	node = self.inputs[0]
-
-	nodes = []
-	if not node:
-		return nodes
-
-	code = node.read()
-	for match in re_bibunit.finditer(code):
-		path = match.group('file')
-		if path:
-			found = None
-			for k in ('', '.bib'):
-				# add another loop for the tex include paths?
-				Logs.debug('tex: trying %s%s', path, k)
-				fi = node.parent.find_resource(path + k)
-				if fi:
-					found = True
-					nodes.append(fi)
-					# no break
-			if not found:
-				Logs.debug('tex: could not find %s', path)
-
-	Logs.debug('tex: found the following bibunit files: %s', nodes)
-	return nodes
-
-exts_deps_tex = ['', '.ltx', '.tex', '.bib', '.pdf', '.png', '.eps', '.ps', '.sty']
-"""List of typical file extensions included in latex files"""
-
-exts_tex = ['.ltx', '.tex']
-"""List of typical file extensions that contain latex"""
-
-re_tex = re.compile(r'\\(?P<type>usepackage|RequirePackage|include|bibliography([^\[\]{}]*)|putbib|includegraphics|input|import|bringin|lstinputlisting)(\[[^\[\]]*\])?{(?P<file>[^{}]*)}',re.M)
-"""Regexp for expressions that may include latex files"""
-
-g_bibtex_re = re.compile('bibdata', re.M)
-"""Regexp for bibtex files"""
-
-g_glossaries_re = re.compile('\\@newglossary', re.M)
-"""Regexp for expressions that create glossaries"""
-
-class tex(Task.Task):
-	"""
-	Compiles a tex/latex file.
-
-	.. inheritance-diagram:: waflib.Tools.tex.latex waflib.Tools.tex.xelatex waflib.Tools.tex.pdflatex
-	"""
-
-	bibtex_fun, _ = Task.compile_fun('${BIBTEX} ${BIBTEXFLAGS} ${SRCFILE}', shell=False)
-	bibtex_fun.__doc__ = """
-	Execute the program **bibtex**
-	"""
-
-	makeindex_fun, _ = Task.compile_fun('${MAKEINDEX} ${MAKEINDEXFLAGS} ${SRCFILE}', shell=False)
-	makeindex_fun.__doc__ = """
-	Execute the program **makeindex**
-	"""
-
-	makeglossaries_fun, _ = Task.compile_fun('${MAKEGLOSSARIES} ${SRCFILE}', shell=False)
-	makeglossaries_fun.__doc__ = """
-	Execute the program **makeglossaries**
-	"""
-
-	def exec_command(self, cmd, **kw):
-		"""
-		Executes TeX commands without buffering (latex may prompt for inputs)
-
-		:return: the return code
-		:rtype: int
-		"""
-		if self.env.PROMPT_LATEX:
-			# capture the outputs in configuration tests
-			kw['stdout'] = kw['stderr'] = None
-		return super(tex, self).exec_command(cmd, **kw)
-
-	def scan_aux(self, node):
-		"""
-		Recursive regex-based scanner that finds included auxiliary files.
-		"""
-		nodes = [node]
-		re_aux = re.compile(r'\\@input{(?P<file>[^{}]*)}', re.M)
-
-		def parse_node(node):
-			code = node.read()
-			for match in re_aux.finditer(code):
-				path = match.group('file')
-				found = node.parent.find_or_declare(path)
-				if found and found not in nodes:
-					Logs.debug('tex: found aux node %r', found)
-					nodes.append(found)
-					parse_node(found)
-		parse_node(node)
-		return nodes
-
-	def scan(self):
-		"""
-		Recursive regex-based scanner that finds latex dependencies. It uses :py:attr:`waflib.Tools.tex.re_tex`
-
-		Depending on your needs you might want:
-
-		* to change re_tex::
-
-			from waflib.Tools import tex
-			tex.re_tex = myregex
-
-		* or to change the method scan from the latex tasks::
-
-			from waflib.Task import classes
-			classes['latex'].scan = myscanfunction
-		"""
-		node = self.inputs[0]
-
-		nodes = []
-		names = []
-		seen = []
-		if not node:
-			return (nodes, names)
-
-		def parse_node(node):
-			if node in seen:
-				return
-			seen.append(node)
-			code = node.read()
-			for match in re_tex.finditer(code):
-
-				multibib = match.group('type')
-				if multibib and multibib.startswith('bibliography'):
-					multibib = multibib[len('bibliography'):]
-					if multibib.startswith('style'):
-						continue
-				else:
-					multibib = None
-
-				for path in match.group('file').split(','):
-					if path:
-						add_name = True
-						found = None
-						for k in exts_deps_tex:
-
-							# issue 1067, scan in all texinputs folders
-							for up in self.texinputs_nodes:
-								Logs.debug('tex: trying %s%s', path, k)
-								found = up.find_resource(path + k)
-								if found:
-									break
-
-
-							for tsk in self.generator.tasks:
-								if not found or found in tsk.outputs:
-									break
-							else:
-								nodes.append(found)
-								add_name = False
-								for ext in exts_tex:
-									if found.name.endswith(ext):
-										parse_node(found)
-										break
-
-							# multibib stuff
-							if found and multibib and found.name.endswith('.bib'):
-								try:
-									self.multibibs.append(found)
-								except AttributeError:
-									self.multibibs = [found]
-
-							# no break, people are crazy
-						if add_name:
-							names.append(path)
-		parse_node(node)
-
-		for x in nodes:
-			x.parent.get_bld().mkdir()
-
-		Logs.debug("tex: found the following : %s and names %s", nodes, names)
-		return (nodes, names)
-
-	def check_status(self, msg, retcode):
-		"""
-		Checks an exit status and raise an error with a particular message
-
-		:param msg: message to display if the code is non-zero
-		:type msg: string
-		:param retcode: condition
-		:type retcode: boolean
-		"""
-		if retcode != 0:
-			raise Errors.WafError('%r command exit status %r' % (msg, retcode))
-
-	def info(self, *k, **kw):
-		try:
-			info = self.generator.bld.conf.logger.info
-		except AttributeError:
-			info = Logs.info
-		info(*k, **kw)
-
-	def bibfile(self):
-		"""
-		Parses *.aux* files to find bibfiles to process.
-		If present, execute :py:meth:`waflib.Tools.tex.tex.bibtex_fun`
-		"""
-		for aux_node in self.aux_nodes:
-			try:
-				ct = aux_node.read()
-			except EnvironmentError:
-				Logs.error('Error reading %s: %r', aux_node.abspath())
-				continue
-
-			if g_bibtex_re.findall(ct):
-				self.info('calling bibtex')
-
-				self.env.env = {}
-				self.env.env.update(os.environ)
-				self.env.env.update({'BIBINPUTS': self.texinputs(), 'BSTINPUTS': self.texinputs()})
-				self.env.SRCFILE = aux_node.name[:-4]
-				self.check_status('error when calling bibtex', self.bibtex_fun())
-
-		for node in getattr(self, 'multibibs', []):
-			self.env.env = {}
-			self.env.env.update(os.environ)
-			self.env.env.update({'BIBINPUTS': self.texinputs(), 'BSTINPUTS': self.texinputs()})
-			self.env.SRCFILE = node.name[:-4]
-			self.check_status('error when calling bibtex', self.bibtex_fun())
-
-	def bibunits(self):
-		"""
-		Parses *.aux* file to find bibunit files. If there are bibunit files,
-		runs :py:meth:`waflib.Tools.tex.tex.bibtex_fun`.
-		"""
-		try:
-			bibunits = bibunitscan(self)
-		except OSError:
-			Logs.error('error bibunitscan')
-		else:
-			if bibunits:
-				fn  = ['bu' + str(i) for i in range(1, len(bibunits) + 1)]
-				if fn:
-					self.info('calling bibtex on bibunits')
-
-				for f in fn:
-					self.env.env = {'BIBINPUTS': self.texinputs(), 'BSTINPUTS': self.texinputs()}
-					self.env.SRCFILE = f
-					self.check_status('error when calling bibtex', self.bibtex_fun())
-
-	def makeindex(self):
-		"""
-		Searches the filesystem for *.idx* files to process. If present,
-		runs :py:meth:`waflib.Tools.tex.tex.makeindex_fun`
-		"""
-		self.idx_node = self.inputs[0].change_ext('.idx')
-		try:
-			idx_path = self.idx_node.abspath()
-			os.stat(idx_path)
-		except OSError:
-			self.info('index file %s absent, not calling makeindex', idx_path)
-		else:
-			self.info('calling makeindex')
-
-			self.env.SRCFILE = self.idx_node.name
-			self.env.env = {}
-			self.check_status('error when calling makeindex %s' % idx_path, self.makeindex_fun())
-
-	def bibtopic(self):
-		"""
-		Lists additional .aux files from the bibtopic package
-		"""
-		p = self.inputs[0].parent.get_bld()
-		if os.path.exists(os.path.join(p.abspath(), 'btaux.aux')):
-			self.aux_nodes += p.ant_glob('*[0-9].aux')
-
-	def makeglossaries(self):
-		"""
-		Lists additional glossaries from .aux files. If present, runs the makeglossaries program.
-		"""
-		src_file = self.inputs[0].abspath()
-		base_file = os.path.basename(src_file)
-		base, _ = os.path.splitext(base_file)
-		for aux_node in self.aux_nodes:
-			try:
-				ct = aux_node.read()
-			except EnvironmentError:
-				Logs.error('Error reading %s: %r', aux_node.abspath())
-				continue
-
-			if g_glossaries_re.findall(ct):
-				if not self.env.MAKEGLOSSARIES:
-					raise Errors.WafError("The program 'makeglossaries' is missing!")
-				Logs.warn('calling makeglossaries')
-				self.env.SRCFILE = base
-				self.check_status('error when calling makeglossaries %s' % base, self.makeglossaries_fun())
-				return
-
-	def texinputs(self):
-		"""
-		Returns the list of texinput nodes as a string suitable for the TEXINPUTS environment variables
-
-		:rtype: string
-		"""
-		return os.pathsep.join([k.abspath() for k in self.texinputs_nodes]) + os.pathsep
-
-	def run(self):
-		"""
-		Runs the whole TeX build process
-
-		Multiple passes are required depending on the usage of cross-references,
-		bibliographies, glossaries, indexes and additional contents
-		The appropriate TeX compiler is called until the *.aux* files stop changing.
-		"""
-		env = self.env
-
-		if not env.PROMPT_LATEX:
-			env.append_value('LATEXFLAGS', '-interaction=batchmode')
-			env.append_value('PDFLATEXFLAGS', '-interaction=batchmode')
-			env.append_value('XELATEXFLAGS', '-interaction=batchmode')
-
-		# important, set the cwd for everybody
-		self.cwd = self.inputs[0].parent.get_bld()
-
-		self.info('first pass on %s', self.__class__.__name__)
-
-		# Hash .aux files before even calling the LaTeX compiler
-		cur_hash = self.hash_aux_nodes()
-
-		self.call_latex()
-
-		# Find the .aux files again since bibtex processing can require it
-		self.hash_aux_nodes()
-
-		self.bibtopic()
-		self.bibfile()
-		self.bibunits()
-		self.makeindex()
-		self.makeglossaries()
-
-		for i in range(10):
-			# There is no need to call latex again if the .aux hash value has not changed
-			prev_hash = cur_hash
-			cur_hash = self.hash_aux_nodes()
-			if not cur_hash:
-				Logs.error('No aux.h to process')
-			if cur_hash and cur_hash == prev_hash:
-				break
-
-			# run the command
-			self.info('calling %s', self.__class__.__name__)
-			self.call_latex()
-
-	def hash_aux_nodes(self):
-		"""
-		Returns a hash of the .aux file contents
-
-		:rtype: string or bytes
-		"""
-		try:
-			self.aux_nodes
-		except AttributeError:
-			try:
-				self.aux_nodes = self.scan_aux(self.inputs[0].change_ext('.aux'))
-			except IOError:
-				return None
-		return Utils.h_list([Utils.h_file(x.abspath()) for x in self.aux_nodes])
-
-	def call_latex(self):
-		"""
-		Runs the TeX compiler once
-		"""
-		self.env.env = {}
-		self.env.env.update(os.environ)
-		self.env.env.update({'TEXINPUTS': self.texinputs()})
-		self.env.SRCFILE = self.inputs[0].abspath()
-		self.check_status('error when calling latex', self.texfun())
-
-class latex(tex):
-	"Compiles LaTeX files"
-	texfun, vars = Task.compile_fun('${LATEX} ${LATEXFLAGS} ${SRCFILE}', shell=False)
-
-class pdflatex(tex):
-	"Compiles PdfLaTeX files"
-	texfun, vars =  Task.compile_fun('${PDFLATEX} ${PDFLATEXFLAGS} ${SRCFILE}', shell=False)
-
-class xelatex(tex):
-	"XeLaTeX files"
-	texfun, vars = Task.compile_fun('${XELATEX} ${XELATEXFLAGS} ${SRCFILE}', shell=False)
-
-class dvips(Task.Task):
-	"Converts dvi files to postscript"
-	run_str = '${DVIPS} ${DVIPSFLAGS} ${SRC} -o ${TGT}'
-	color   = 'BLUE'
-	after   = ['latex', 'pdflatex', 'xelatex']
-
-class dvipdf(Task.Task):
-	"Converts dvi files to pdf"
-	run_str = '${DVIPDF} ${DVIPDFFLAGS} ${SRC} ${TGT}'
-	color   = 'BLUE'
-	after   = ['latex', 'pdflatex', 'xelatex']
-
-class pdf2ps(Task.Task):
-	"Converts pdf files to postscript"
-	run_str = '${PDF2PS} ${PDF2PSFLAGS} ${SRC} ${TGT}'
-	color   = 'BLUE'
-	after   = ['latex', 'pdflatex', 'xelatex']
-
-@feature('tex')
-@before_method('process_source')
-def apply_tex(self):
-	"""
-	Creates :py:class:`waflib.Tools.tex.tex` objects, and
-	dvips/dvipdf/pdf2ps tasks if necessary (outs='ps', etc).
-	"""
-	if not getattr(self, 'type', None) in ('latex', 'pdflatex', 'xelatex'):
-		self.type = 'pdflatex'
-
-	outs = Utils.to_list(getattr(self, 'outs', []))
-
-	# prompt for incomplete files (else the batchmode is used)
-	try:
-		self.generator.bld.conf
-	except AttributeError:
-		default_prompt = False
-	else:
-		default_prompt = True
-	self.env.PROMPT_LATEX = getattr(self, 'prompt', default_prompt)
-
-	deps_lst = []
-
-	if getattr(self, 'deps', None):
-		deps = self.to_list(self.deps)
-		for dep in deps:
-			if isinstance(dep, str):
-				n = self.path.find_resource(dep)
-				if not n:
-					self.bld.fatal('Could not find %r for %r' % (dep, self))
-				if not n in deps_lst:
-					deps_lst.append(n)
-			elif isinstance(dep, Node.Node):
-				deps_lst.append(dep)
-
-	for node in self.to_nodes(self.source):
-		if self.type == 'latex':
-			task = self.create_task('latex', node, node.change_ext('.dvi'))
-		elif self.type == 'pdflatex':
-			task = self.create_task('pdflatex', node, node.change_ext('.pdf'))
-		elif self.type == 'xelatex':
-			task = self.create_task('xelatex', node, node.change_ext('.pdf'))
-
-		task.env = self.env
-
-		# add the manual dependencies
-		if deps_lst:
-			for n in deps_lst:
-				if not n in task.dep_nodes:
-					task.dep_nodes.append(n)
-
-		# texinputs is a nasty beast
-		if hasattr(self, 'texinputs_nodes'):
-			task.texinputs_nodes = self.texinputs_nodes
-		else:
-			task.texinputs_nodes = [node.parent, node.parent.get_bld(), self.path, self.path.get_bld()]
-			lst = os.environ.get('TEXINPUTS', '')
-			if self.env.TEXINPUTS:
-				lst += os.pathsep + self.env.TEXINPUTS
-			if lst:
-				lst = lst.split(os.pathsep)
-			for x in lst:
-				if x:
-					if os.path.isabs(x):
-						p = self.bld.root.find_node(x)
-						if p:
-							task.texinputs_nodes.append(p)
-						else:
-							Logs.error('Invalid TEXINPUTS folder %s', x)
-					else:
-						Logs.error('Cannot resolve relative paths in TEXINPUTS %s', x)
-
-		if self.type == 'latex':
-			if 'ps' in outs:
-				tsk = self.create_task('dvips', task.outputs, node.change_ext('.ps'))
-				tsk.env.env = dict(os.environ)
-			if 'pdf' in outs:
-				tsk = self.create_task('dvipdf', task.outputs, node.change_ext('.pdf'))
-				tsk.env.env = dict(os.environ)
-		elif self.type == 'pdflatex':
-			if 'ps' in outs:
-				self.create_task('pdf2ps', task.outputs, node.change_ext('.ps'))
-	self.source = []
-
-def configure(self):
-	"""
-	Find the programs tex, latex and others without raising errors.
-	"""
-	v = self.env
-	for p in 'tex latex pdflatex xelatex bibtex dvips dvipdf ps2pdf makeindex pdf2ps makeglossaries'.split():
-		try:
-			self.find_program(p, var=p.upper())
-		except self.errors.ConfigurationError:
-			pass
-	v.DVIPSFLAGS = '-Ppdf'
-
diff --git a/waflib/Tools/vala.py b/waflib/Tools/vala.py
deleted file mode 100644
index 822ec502..00000000
--- a/waflib/Tools/vala.py
+++ /dev/null
@@ -1,355 +0,0 @@
-#!/usr/bin/env python
-# encoding: utf-8
-# Ali Sabil, 2007
-# Radosław Szkodziński, 2010
-
-"""
-At this point, vala is still unstable, so do not expect
-this tool to be too stable either (apis, etc)
-"""
-
-import re
-from waflib import Build, Context, Errors, Logs, Node, Options, Task, Utils
-from waflib.TaskGen import extension, taskgen_method
-from waflib.Configure import conf
-
-class valac(Task.Task):
-	"""
-	Compiles vala files
-	"""
-	#run_str = "${VALAC} ${VALAFLAGS}" # ideally
-	#vars = ['VALAC_VERSION']
-	vars = ["VALAC", "VALAC_VERSION", "VALAFLAGS"]
-	ext_out = ['.h']
-
-	def run(self):
-		cmd = self.env.VALAC + self.env.VALAFLAGS
-		resources = getattr(self, 'vala_exclude', [])
-		cmd.extend([a.abspath() for a in self.inputs if a not in resources])
-		ret = self.exec_command(cmd, cwd=self.vala_dir_node.abspath())
-
-		if ret:
-			return ret
-
-		if self.generator.dump_deps_node:
-			self.generator.dump_deps_node.write('\n'.join(self.generator.packages))
-
-		return ret
-
-@taskgen_method
-def init_vala_task(self):
-	"""
-	Initializes the vala task with the relevant data (acts as a constructor)
-	"""
-	self.profile = getattr(self, 'profile', 'gobject')
-
-	self.packages = packages = Utils.to_list(getattr(self, 'packages', []))
-	self.use = Utils.to_list(getattr(self, 'use', []))
-	if packages and not self.use:
-		self.use = packages[:] # copy
-
-	if self.profile == 'gobject':
-		if not 'GOBJECT' in self.use:
-			self.use.append('GOBJECT')
-
-	def addflags(flags):
-		self.env.append_value('VALAFLAGS', flags)
-
-	if self.profile:
-		addflags('--profile=%s' % self.profile)
-
-	valatask = self.valatask
-
-	# output directory
-	if hasattr(self, 'vala_dir'):
-		if isinstance(self.vala_dir, str):
-			valatask.vala_dir_node = self.path.get_bld().make_node(self.vala_dir)
-			try:
-				valatask.vala_dir_node.mkdir()
-			except OSError:
-				raise self.bld.fatal('Cannot create the vala dir %r' % valatask.vala_dir_node)
-		else:
-			valatask.vala_dir_node = self.vala_dir
-	else:
-		valatask.vala_dir_node = self.path.get_bld()
-	addflags('--directory=%s' % valatask.vala_dir_node.abspath())
-
-	if hasattr(self, 'thread'):
-		if self.profile == 'gobject':
-			if not 'GTHREAD' in self.use:
-				self.use.append('GTHREAD')
-		else:
-			#Vala doesn't have threading support for dova nor posix
-			Logs.warn('Profile %s means no threading support', self.profile)
-			self.thread = False
-
-		if self.thread:
-			addflags('--thread')
-
-	self.is_lib = 'cprogram' not in self.features
-	if self.is_lib:
-		addflags('--library=%s' % self.target)
-
-		h_node = valatask.vala_dir_node.find_or_declare('%s.h' % self.target)
-		valatask.outputs.append(h_node)
-		addflags('--header=%s' % h_node.name)
-
-		valatask.outputs.append(valatask.vala_dir_node.find_or_declare('%s.vapi' % self.target))
-
-		if getattr(self, 'gir', None):
-			gir_node = valatask.vala_dir_node.find_or_declare('%s.gir' % self.gir)
-			addflags('--gir=%s' % gir_node.name)
-			valatask.outputs.append(gir_node)
-
-	self.vala_target_glib = getattr(self, 'vala_target_glib', getattr(Options.options, 'vala_target_glib', None))
-	if self.vala_target_glib:
-		addflags('--target-glib=%s' % self.vala_target_glib)
-
-	addflags(['--define=%s' % x for x in Utils.to_list(getattr(self, 'vala_defines', []))])
-
-	packages_private = Utils.to_list(getattr(self, 'packages_private', []))
-	addflags(['--pkg=%s' % x for x in packages_private])
-
-	def _get_api_version():
-		api_version = '1.0'
-		if hasattr(Context.g_module, 'API_VERSION'):
-			version = Context.g_module.API_VERSION.split(".")
-			if version[0] == "0":
-				api_version = "0." + version[1]
-			else:
-				api_version = version[0] + ".0"
-		return api_version
-
-	self.includes = Utils.to_list(getattr(self, 'includes', []))
-	valatask.install_path = getattr(self, 'install_path', '')
-
-	valatask.vapi_path = getattr(self, 'vapi_path', '${DATAROOTDIR}/vala/vapi')
-	valatask.pkg_name = getattr(self, 'pkg_name', self.env.PACKAGE)
-	valatask.header_path = getattr(self, 'header_path', '${INCLUDEDIR}/%s-%s' % (valatask.pkg_name, _get_api_version()))
-	valatask.install_binding = getattr(self, 'install_binding', True)
-
-	self.vapi_dirs = vapi_dirs = Utils.to_list(getattr(self, 'vapi_dirs', []))
-	#includes =  []
-
-	if hasattr(self, 'use'):
-		local_packages = Utils.to_list(self.use)[:] # make sure to have a copy
-		seen = []
-		while len(local_packages) > 0:
-			package = local_packages.pop()
-			if package in seen:
-				continue
-			seen.append(package)
-
-			# check if the package exists
-			try:
-				package_obj = self.bld.get_tgen_by_name(package)
-			except Errors.WafError:
-				continue
-
-			# in practice the other task is already processed
-			# but this makes it explicit
-			package_obj.post()
-			package_name = package_obj.target
-			task = getattr(package_obj, 'valatask', None)
-			if task:
-				for output in task.outputs:
-					if output.name == package_name + ".vapi":
-						valatask.set_run_after(task)
-						if package_name not in packages:
-							packages.append(package_name)
-						if output.parent not in vapi_dirs:
-							vapi_dirs.append(output.parent)
-						if output.parent not in self.includes:
-							self.includes.append(output.parent)
-
-			if hasattr(package_obj, 'use'):
-				lst = self.to_list(package_obj.use)
-				lst.reverse()
-				local_packages = [pkg for pkg in lst if pkg not in seen] + local_packages
-
-	addflags(['--pkg=%s' % p for p in packages])
-
-	for vapi_dir in vapi_dirs:
-		if isinstance(vapi_dir, Node.Node):
-			v_node = vapi_dir
-		else:
-			v_node = self.path.find_dir(vapi_dir)
-		if not v_node:
-			Logs.warn('Unable to locate Vala API directory: %r', vapi_dir)
-		else:
-			addflags('--vapidir=%s' % v_node.abspath())
-
-	self.dump_deps_node = None
-	if self.is_lib and self.packages:
-		self.dump_deps_node = valatask.vala_dir_node.find_or_declare('%s.deps' % self.target)
-		valatask.outputs.append(self.dump_deps_node)
-
-	if self.is_lib and valatask.install_binding:
-		headers_list = [o for o in valatask.outputs if o.suffix() == ".h"]
-		if headers_list:
-			self.install_vheader = self.add_install_files(install_to=valatask.header_path, install_from=headers_list)
-
-		vapi_list = [o for o in valatask.outputs if (o.suffix() in (".vapi", ".deps"))]
-		if vapi_list:
-			self.install_vapi = self.add_install_files(install_to=valatask.vapi_path, install_from=vapi_list)
-
-		gir_list = [o for o in valatask.outputs if o.suffix() == '.gir']
-		if gir_list:
-			self.install_gir = self.add_install_files(
-				install_to=getattr(self, 'gir_path', '${DATAROOTDIR}/gir-1.0'), install_from=gir_list)
-
-	if hasattr(self, 'vala_resources'):
-		nodes = self.to_nodes(self.vala_resources)
-		valatask.vala_exclude = getattr(valatask, 'vala_exclude', []) + nodes
-		valatask.inputs.extend(nodes)
-		for x in nodes:
-			addflags(['--gresources', x.abspath()])
-
-@extension('.vala', '.gs')
-def vala_file(self, node):
-	"""
-	Compile a vala file and bind the task to *self.valatask*. If an existing vala task is already set, add the node
-	to its inputs. The typical example is::
-
-		def build(bld):
-			bld.program(
-				packages      = 'gtk+-2.0',
-				target        = 'vala-gtk-example',
-				use           = 'GTK GLIB',
-				source        = 'vala-gtk-example.vala foo.vala',
-				vala_defines  = ['DEBUG'] # adds --define=<xyz> values to the command-line
-
-				# the following arguments are for libraries
-				#gir          = 'hello-1.0',
-				#gir_path     = '/tmp',
-				#vapi_path = '/tmp',
-				#pkg_name = 'hello'
-				# disable installing of gir, vapi and header
-				#install_binding = False
-
-				# profile     = 'xyz' # adds --profile=<xyz> to enable profiling
-				# thread      = True, # adds --thread, except if profile is on or not on 'gobject'
-				# vala_target_glib = 'xyz' # adds --target-glib=<xyz>, can be given through the command-line option --vala-target-glib=<xyz>
-			)
-
-
-	:param node: vala file
-	:type node: :py:class:`waflib.Node.Node`
-	"""
-
-	try:
-		valatask = self.valatask
-	except AttributeError:
-		valatask = self.valatask = self.create_task('valac')
-		self.init_vala_task()
-
-	valatask.inputs.append(node)
-	name = node.name[:node.name.rfind('.')] + '.c'
-	c_node = valatask.vala_dir_node.find_or_declare(name)
-	valatask.outputs.append(c_node)
-	self.source.append(c_node)
-
-@extension('.vapi')
-def vapi_file(self, node):
-	try:
-		valatask = self.valatask
-	except AttributeError:
-		valatask = self.valatask = self.create_task('valac')
-		self.init_vala_task()
-	valatask.inputs.append(node)
-
-@conf
-def find_valac(self, valac_name, min_version):
-	"""
-	Find the valac program, and execute it to store the version
-	number in *conf.env.VALAC_VERSION*
-
-	:param valac_name: program name
-	:type valac_name: string or list of string
-	:param min_version: minimum version acceptable
-	:type min_version: tuple of int
-	"""
-	valac = self.find_program(valac_name, var='VALAC')
-	try:
-		output = self.cmd_and_log(valac + ['--version'])
-	except Errors.WafError:
-		valac_version = None
-	else:
-		ver = re.search(r'\d+.\d+.\d+', output).group().split('.')
-		valac_version = tuple([int(x) for x in ver])
-
-	self.msg('Checking for %s version >= %r' % (valac_name, min_version),
-	         valac_version, valac_version and valac_version >= min_version)
-	if valac and valac_version < min_version:
-		self.fatal("%s version %r is too old, need >= %r" % (valac_name, valac_version, min_version))
-
-	self.env.VALAC_VERSION = valac_version
-	return valac
-
-@conf
-def check_vala(self, min_version=(0,8,0), branch=None):
-	"""
-	Check if vala compiler from a given branch exists of at least a given
-	version.
-
-	:param min_version: minimum version acceptable (0.8.0)
-	:type min_version: tuple
-	:param branch: first part of the version number, in case a snapshot is used (0, 8)
-	:type branch: tuple of int
-	"""
-	if self.env.VALA_MINVER:
-		min_version = self.env.VALA_MINVER
-	if self.env.VALA_MINVER_BRANCH:
-		branch = self.env.VALA_MINVER_BRANCH
-	if not branch:
-		branch = min_version[:2]
-	try:
-		find_valac(self, 'valac-%d.%d' % (branch[0], branch[1]), min_version)
-	except self.errors.ConfigurationError:
-		find_valac(self, 'valac', min_version)
-
-@conf
-def check_vala_deps(self):
-	"""
-	Load the gobject and gthread packages if they are missing.
-	"""
-	if not self.env.HAVE_GOBJECT:
-		pkg_args = {'package':      'gobject-2.0',
-		            'uselib_store': 'GOBJECT',
-		            'args':         '--cflags --libs'}
-		if getattr(Options.options, 'vala_target_glib', None):
-			pkg_args['atleast_version'] = Options.options.vala_target_glib
-		self.check_cfg(**pkg_args)
-
-	if not self.env.HAVE_GTHREAD:
-		pkg_args = {'package':      'gthread-2.0',
-		            'uselib_store': 'GTHREAD',
-		            'args':         '--cflags --libs'}
-		if getattr(Options.options, 'vala_target_glib', None):
-			pkg_args['atleast_version'] = Options.options.vala_target_glib
-		self.check_cfg(**pkg_args)
-
-def configure(self):
-	"""
-	Use the following to enforce minimum vala version::
-
-		def configure(conf):
-			conf.env.VALA_MINVER = (0, 10, 0)
-			conf.load('vala')
-	"""
-	self.load('gnu_dirs')
-	self.check_vala_deps()
-	self.check_vala()
-	self.add_os_flags('VALAFLAGS')
-	self.env.append_unique('VALAFLAGS', ['-C'])
-
-def options(opt):
-	"""
-	Load the :py:mod:`waflib.Tools.gnu_dirs` tool and add the ``--vala-target-glib`` command-line option
-	"""
-	opt.load('gnu_dirs')
-	valaopts = opt.add_option_group('Vala Compiler Options')
-	valaopts.add_option('--vala-target-glib', default=None,
-		dest='vala_target_glib', metavar='MAJOR.MINOR',
-		help='Target version of glib for Vala GObject code generation')
-
diff --git a/waflib/Tools/waf_unit_test.py b/waflib/Tools/waf_unit_test.py
deleted file mode 100644
index 74d6c056..00000000
--- a/waflib/Tools/waf_unit_test.py
+++ /dev/null
@@ -1,296 +0,0 @@
-#!/usr/bin/env python
-# encoding: utf-8
-# Carlos Rafael Giani, 2006
-# Thomas Nagy, 2010-2018 (ita)
-
-"""
-Unit testing system for C/C++/D and interpreted languages providing test execution:
-
-* in parallel, by using ``waf -j``
-* partial (only the tests that have changed) or full (by using ``waf --alltests``)
-
-The tests are declared by adding the **test** feature to programs::
-
-	def options(opt):
-		opt.load('compiler_cxx waf_unit_test')
-	def configure(conf):
-		conf.load('compiler_cxx waf_unit_test')
-	def build(bld):
-		bld(features='cxx cxxprogram test', source='main.cpp', target='app')
-		# or
-		bld.program(features='test', source='main2.cpp', target='app2')
-
-When the build is executed, the program 'test' will be built and executed without arguments.
-The success/failure is detected by looking at the return code. The status and the standard output/error
-are stored on the build context.
-
-The results can be displayed by registering a callback function. Here is how to call
-the predefined callback::
-
-	def build(bld):
-		bld(features='cxx cxxprogram test', source='main.c', target='app')
-		from waflib.Tools import waf_unit_test
-		bld.add_post_fun(waf_unit_test.summary)
-
-By passing --dump-test-scripts the build outputs corresponding python files
-(with extension _run.py) that are useful for debugging purposes.
-"""
-
-import os, shlex, sys
-from waflib.TaskGen import feature, after_method, taskgen_method
-from waflib import Utils, Task, Logs, Options
-from waflib.Tools import ccroot
-testlock = Utils.threading.Lock()
-
-SCRIPT_TEMPLATE = """#! %(python)s
-import subprocess, sys
-cmd = %(cmd)r
-# if you want to debug with gdb:
-#cmd = ['gdb', '-args'] + cmd
-env = %(env)r
-status = subprocess.call(cmd, env=env, cwd=%(cwd)r, shell=isinstance(cmd, str))
-sys.exit(status)
-"""
-
-@taskgen_method
-def handle_ut_cwd(self, key):
-	"""
-	Task generator method, used internally to limit code duplication.
-	This method may disappear anytime.
-	"""
-	cwd = getattr(self, key, None)
-	if cwd:
-		if isinstance(cwd, str):
-			# we want a Node instance
-			if os.path.isabs(cwd):
-				self.ut_cwd = self.bld.root.make_node(cwd)
-			else:
-				self.ut_cwd = self.path.make_node(cwd)
-
-@feature('test_scripts')
-def make_interpreted_test(self):
-	"""Create interpreted unit tests."""
-	for x in ['test_scripts_source', 'test_scripts_template']:
-		if not hasattr(self, x):
-			Logs.warn('a test_scripts taskgen i missing %s' % x)
-			return
-
-	self.ut_run, lst = Task.compile_fun(self.test_scripts_template, shell=getattr(self, 'test_scripts_shell', False))
-
-	script_nodes = self.to_nodes(self.test_scripts_source)
-	for script_node in script_nodes:
-		tsk = self.create_task('utest', [script_node])
-		tsk.vars = lst + tsk.vars
-		tsk.env['SCRIPT'] = script_node.path_from(tsk.get_cwd())
-
-	self.handle_ut_cwd('test_scripts_cwd')
-
-	env = getattr(self, 'test_scripts_env', None)
-	if env:
-		self.ut_env = env
-	else:
-		self.ut_env = dict(os.environ)
-
-	paths = getattr(self, 'test_scripts_paths', {})
-	for (k,v) in paths.items():
-		p = self.ut_env.get(k, '').split(os.pathsep)
-		if isinstance(v, str):
-			v = v.split(os.pathsep)
-		self.ut_env[k] = os.pathsep.join(p + v)
-
-@feature('test')
-@after_method('apply_link', 'process_use')
-def make_test(self):
-	"""Create the unit test task. There can be only one unit test task by task generator."""
-	if not getattr(self, 'link_task', None):
-		return
-
-	tsk = self.create_task('utest', self.link_task.outputs)
-	if getattr(self, 'ut_str', None):
-		self.ut_run, lst = Task.compile_fun(self.ut_str, shell=getattr(self, 'ut_shell', False))
-		tsk.vars = lst + tsk.vars
-
-	self.handle_ut_cwd('ut_cwd')
-
-	if not hasattr(self, 'ut_paths'):
-		paths = []
-		for x in self.tmp_use_sorted:
-			try:
-				y = self.bld.get_tgen_by_name(x).link_task
-			except AttributeError:
-				pass
-			else:
-				if not isinstance(y, ccroot.stlink_task):
-					paths.append(y.outputs[0].parent.abspath())
-		self.ut_paths = os.pathsep.join(paths) + os.pathsep
-
-	if not hasattr(self, 'ut_env'):
-		self.ut_env = dct = dict(os.environ)
-		def add_path(var):
-			dct[var] = self.ut_paths + dct.get(var,'')
-		if Utils.is_win32:
-			add_path('PATH')
-		elif Utils.unversioned_sys_platform() == 'darwin':
-			add_path('DYLD_LIBRARY_PATH')
-			add_path('LD_LIBRARY_PATH')
-		else:
-			add_path('LD_LIBRARY_PATH')
-
-	if not hasattr(self, 'ut_cmd'):
-		self.ut_cmd = getattr(Options.options, 'testcmd', False)
-
-@taskgen_method
-def add_test_results(self, tup):
-	"""Override and return tup[1] to interrupt the build immediately if a test does not run"""
-	Logs.debug("ut: %r", tup)
-	try:
-		self.utest_results.append(tup)
-	except AttributeError:
-		self.utest_results = [tup]
-	try:
-		self.bld.utest_results.append(tup)
-	except AttributeError:
-		self.bld.utest_results = [tup]
-
-@Task.deep_inputs
-class utest(Task.Task):
-	"""
-	Execute a unit test
-	"""
-	color = 'PINK'
-	after = ['vnum', 'inst']
-	vars = []
-
-	def runnable_status(self):
-		"""
-		Always execute the task if `waf --alltests` was used or no
-		tests if ``waf --notests`` was used
-		"""
-		if getattr(Options.options, 'no_tests', False):
-			return Task.SKIP_ME
-
-		ret = super(utest, self).runnable_status()
-		if ret == Task.SKIP_ME:
-			if getattr(Options.options, 'all_tests', False):
-				return Task.RUN_ME
-		return ret
-
-	def get_test_env(self):
-		"""
-		In general, tests may require any library built anywhere in the project.
-		Override this method if fewer paths are needed
-		"""
-		return self.generator.ut_env
-
-	def post_run(self):
-		super(utest, self).post_run()
-		if getattr(Options.options, 'clear_failed_tests', False) and self.waf_unit_test_results[1]:
-			self.generator.bld.task_sigs[self.uid()] = None
-
-	def run(self):
-		"""
-		Execute the test. The execution is always successful, and the results
-		are stored on ``self.generator.bld.utest_results`` for postprocessing.
-
-		Override ``add_test_results`` to interrupt the build
-		"""
-		if hasattr(self.generator, 'ut_run'):
-			return self.generator.ut_run(self)
-
-		self.ut_exec = getattr(self.generator, 'ut_exec', [self.inputs[0].abspath()])
-		ut_cmd = getattr(self.generator, 'ut_cmd', False)
-		if ut_cmd:
-			self.ut_exec = shlex.split(ut_cmd % ' '.join(self.ut_exec))
-
-		return self.exec_command(self.ut_exec)
-
-	def exec_command(self, cmd, **kw):
-		self.generator.bld.log_command(cmd, kw)
-		if getattr(Options.options, 'dump_test_scripts', False):
-			script_code = SCRIPT_TEMPLATE % {
-				'python': sys.executable,
-				'env': self.get_test_env(),
-				'cwd': self.get_cwd().abspath(),
-				'cmd': cmd
-			}
-			script_file = self.inputs[0].abspath() + '_run.py'
-			Utils.writef(script_file, script_code)
-			os.chmod(script_file, Utils.O755)
-			if Logs.verbose > 1:
-				Logs.info('Test debug file written as %r' % script_file)
-
-		proc = Utils.subprocess.Popen(cmd, cwd=self.get_cwd().abspath(), env=self.get_test_env(),
-			stderr=Utils.subprocess.PIPE, stdout=Utils.subprocess.PIPE, shell=isinstance(cmd,str))
-		(stdout, stderr) = proc.communicate()
-		self.waf_unit_test_results = tup = (self.inputs[0].abspath(), proc.returncode, stdout, stderr)
-		testlock.acquire()
-		try:
-			return self.generator.add_test_results(tup)
-		finally:
-			testlock.release()
-
-	def get_cwd(self):
-		return getattr(self.generator, 'ut_cwd', self.inputs[0].parent)
-
-def summary(bld):
-	"""
-	Display an execution summary::
-
-		def build(bld):
-			bld(features='cxx cxxprogram test', source='main.c', target='app')
-			from waflib.Tools import waf_unit_test
-			bld.add_post_fun(waf_unit_test.summary)
-	"""
-	lst = getattr(bld, 'utest_results', [])
-	if lst:
-		Logs.pprint('CYAN', 'execution summary')
-
-		total = len(lst)
-		tfail = len([x for x in lst if x[1]])
-
-		Logs.pprint('GREEN', '  tests that pass %d/%d' % (total-tfail, total))
-		for (f, code, out, err) in lst:
-			if not code:
-				Logs.pprint('GREEN', '    %s' % f)
-
-		Logs.pprint('GREEN' if tfail == 0 else 'RED', '  tests that fail %d/%d' % (tfail, total))
-		for (f, code, out, err) in lst:
-			if code:
-				Logs.pprint('RED', '    %s' % f)
-
-def set_exit_code(bld):
-	"""
-	If any of the tests fail waf will exit with that exit code.
-	This is useful if you have an automated build system which need
-	to report on errors from the tests.
-	You may use it like this:
-
-		def build(bld):
-			bld(features='cxx cxxprogram test', source='main.c', target='app')
-			from waflib.Tools import waf_unit_test
-			bld.add_post_fun(waf_unit_test.set_exit_code)
-	"""
-	lst = getattr(bld, 'utest_results', [])
-	for (f, code, out, err) in lst:
-		if code:
-			msg = []
-			if out:
-				msg.append('stdout:%s%s' % (os.linesep, out.decode('utf-8')))
-			if err:
-				msg.append('stderr:%s%s' % (os.linesep, err.decode('utf-8')))
-			bld.fatal(os.linesep.join(msg))
-
-
-def options(opt):
-	"""
-	Provide the ``--alltests``, ``--notests`` and ``--testcmd`` command-line options.
-	"""
-	opt.add_option('--notests', action='store_true', default=False, help='Exec no unit tests', dest='no_tests')
-	opt.add_option('--alltests', action='store_true', default=False, help='Exec all unit tests', dest='all_tests')
-	opt.add_option('--clear-failed', action='store_true', default=False,
-		help='Force failed unit tests to run again next time', dest='clear_failed_tests')
-	opt.add_option('--testcmd', action='store', default=False, dest='testcmd',
-		help='Run the unit tests using the test-cmd string example "--testcmd="valgrind --error-exitcode=1 %s" to run under valgrind')
-	opt.add_option('--dump-test-scripts', action='store_true', default=False,
-		help='Create python scripts to help debug tests', dest='dump_test_scripts')
-
diff --git a/waflib/Tools/winres.py b/waflib/Tools/winres.py
deleted file mode 100644
index 9be1ed66..00000000
--- a/waflib/Tools/winres.py
+++ /dev/null
@@ -1,78 +0,0 @@
-#!/usr/bin/env python
-# encoding: utf-8
-# Brant Young, 2007
-
-"Process *.rc* files for C/C++: X{.rc -> [.res|.rc.o]}"
-
-import re
-from waflib import Task
-from waflib.TaskGen import extension
-from waflib.Tools import c_preproc
-
-@extension('.rc')
-def rc_file(self, node):
-	"""
-	Binds the .rc extension to a winrc task
-	"""
-	obj_ext = '.rc.o'
-	if self.env.WINRC_TGT_F == '/fo':
-		obj_ext = '.res'
-	rctask = self.create_task('winrc', node, node.change_ext(obj_ext))
-	try:
-		self.compiled_tasks.append(rctask)
-	except AttributeError:
-		self.compiled_tasks = [rctask]
-
-re_lines = re.compile(
-	r'(?:^[ \t]*(#|%:)[ \t]*(ifdef|ifndef|if|else|elif|endif|include|import|define|undef|pragma)[ \t]*(.*?)\s*$)|'\
-	r'(?:^\w+[ \t]*(ICON|BITMAP|CURSOR|HTML|FONT|MESSAGETABLE|TYPELIB|REGISTRY|D3DFX)[ \t]*(.*?)\s*$)',
-	re.IGNORECASE | re.MULTILINE)
-
-class rc_parser(c_preproc.c_parser):
-	"""
-	Calculates dependencies in .rc files
-	"""
-	def filter_comments(self, node):
-		"""
-		Overrides :py:meth:`waflib.Tools.c_preproc.c_parser.filter_comments`
-		"""
-		code = node.read()
-		if c_preproc.use_trigraphs:
-			for (a, b) in c_preproc.trig_def:
-				code = code.split(a).join(b)
-		code = c_preproc.re_nl.sub('', code)
-		code = c_preproc.re_cpp.sub(c_preproc.repl, code)
-		ret = []
-		for m in re.finditer(re_lines, code):
-			if m.group(2):
-				ret.append((m.group(2), m.group(3)))
-			else:
-				ret.append(('include', m.group(5)))
-		return ret
-
-class winrc(Task.Task):
-	"""
-	Compiles resource files
-	"""
-	run_str = '${WINRC} ${WINRCFLAGS} ${CPPPATH_ST:INCPATHS} ${DEFINES_ST:DEFINES} ${WINRC_TGT_F} ${TGT} ${WINRC_SRC_F} ${SRC}'
-	color   = 'BLUE'
-	def scan(self):
-		tmp = rc_parser(self.generator.includes_nodes)
-		tmp.start(self.inputs[0], self.env)
-		return (tmp.nodes, tmp.names)
-
-def configure(conf):
-	"""
-	Detects the programs RC or windres, depending on the C/C++ compiler in use
-	"""
-	v = conf.env
-	if not v.WINRC:
-		if v.CC_NAME == 'msvc':
-			conf.find_program('RC', var='WINRC', path_list=v.PATH)
-			v.WINRC_TGT_F = '/fo'
-			v.WINRC_SRC_F = ''
-		else:
-			conf.find_program('windres', var='WINRC', path_list=v.PATH)
-			v.WINRC_TGT_F = '-o'
-			v.WINRC_SRC_F = '-i'
-
diff --git a/waflib/Tools/xlc.py b/waflib/Tools/xlc.py
deleted file mode 100644
index 134dd415..00000000
--- a/waflib/Tools/xlc.py
+++ /dev/null
@@ -1,65 +0,0 @@
-#!/usr/bin/env python
-# encoding: utf-8
-# Thomas Nagy, 2006-2018 (ita)
-# Ralf Habacker, 2006 (rh)
-# Yinon Ehrlich, 2009
-# Michael Kuhn, 2009
-
-from waflib.Tools import ccroot, ar
-from waflib.Configure import conf
-
-@conf
-def find_xlc(conf):
-	"""
-	Detects the Aix C compiler
-	"""
-	cc = conf.find_program(['xlc_r', 'xlc'], var='CC')
-	conf.get_xlc_version(cc)
-	conf.env.CC_NAME = 'xlc'
-
-@conf
-def xlc_common_flags(conf):
-	"""
-	Flags required for executing the Aix C compiler
-	"""
-	v = conf.env
-
-	v.CC_SRC_F            = []
-	v.CC_TGT_F            = ['-c', '-o']
-
-	if not v.LINK_CC:
-		v.LINK_CC = v.CC
-
-	v.CCLNK_SRC_F         = []
-	v.CCLNK_TGT_F         = ['-o']
-	v.CPPPATH_ST          = '-I%s'
-	v.DEFINES_ST          = '-D%s'
-
-	v.LIB_ST              = '-l%s' # template for adding libs
-	v.LIBPATH_ST          = '-L%s' # template for adding libpaths
-	v.STLIB_ST            = '-l%s'
-	v.STLIBPATH_ST        = '-L%s'
-	v.RPATH_ST            = '-Wl,-rpath,%s'
-
-	v.SONAME_ST           = []
-	v.SHLIB_MARKER        = []
-	v.STLIB_MARKER        = []
-
-	v.LINKFLAGS_cprogram  = ['-Wl,-brtl']
-	v.cprogram_PATTERN    = '%s'
-
-	v.CFLAGS_cshlib       = ['-fPIC']
-	v.LINKFLAGS_cshlib    = ['-G', '-Wl,-brtl,-bexpfull']
-	v.cshlib_PATTERN      = 'lib%s.so'
-
-	v.LINKFLAGS_cstlib    = []
-	v.cstlib_PATTERN      = 'lib%s.a'
-
-def configure(conf):
-	conf.find_xlc()
-	conf.find_ar()
-	conf.xlc_common_flags()
-	conf.cc_load_tools()
-	conf.cc_add_flags()
-	conf.link_add_flags()
-
diff --git a/waflib/Tools/xlcxx.py b/waflib/Tools/xlcxx.py
deleted file mode 100644
index 76aa59bc..00000000
--- a/waflib/Tools/xlcxx.py
+++ /dev/null
@@ -1,65 +0,0 @@
-#!/usr/bin/env python
-# encoding: utf-8
-# Thomas Nagy, 2006-2018 (ita)
-# Ralf Habacker, 2006 (rh)
-# Yinon Ehrlich, 2009
-# Michael Kuhn, 2009
-
-from waflib.Tools import ccroot, ar
-from waflib.Configure import conf
-
-@conf
-def find_xlcxx(conf):
-	"""
-	Detects the Aix C++ compiler
-	"""
-	cxx = conf.find_program(['xlc++_r', 'xlc++'], var='CXX')
-	conf.get_xlc_version(cxx)
-	conf.env.CXX_NAME = 'xlc++'
-
-@conf
-def xlcxx_common_flags(conf):
-	"""
-	Flags required for executing the Aix C++ compiler
-	"""
-	v = conf.env
-
-	v.CXX_SRC_F           = []
-	v.CXX_TGT_F           = ['-c', '-o']
-
-	if not v.LINK_CXX:
-		v.LINK_CXX = v.CXX
-
-	v.CXXLNK_SRC_F        = []
-	v.CXXLNK_TGT_F        = ['-o']
-	v.CPPPATH_ST          = '-I%s'
-	v.DEFINES_ST          = '-D%s'
-
-	v.LIB_ST              = '-l%s' # template for adding libs
-	v.LIBPATH_ST          = '-L%s' # template for adding libpaths
-	v.STLIB_ST            = '-l%s'
-	v.STLIBPATH_ST        = '-L%s'
-	v.RPATH_ST            = '-Wl,-rpath,%s'
-
-	v.SONAME_ST           = []
-	v.SHLIB_MARKER        = []
-	v.STLIB_MARKER        = []
-
-	v.LINKFLAGS_cxxprogram= ['-Wl,-brtl']
-	v.cxxprogram_PATTERN  = '%s'
-
-	v.CXXFLAGS_cxxshlib   = ['-fPIC']
-	v.LINKFLAGS_cxxshlib  = ['-G', '-Wl,-brtl,-bexpfull']
-	v.cxxshlib_PATTERN    = 'lib%s.so'
-
-	v.LINKFLAGS_cxxstlib  = []
-	v.cxxstlib_PATTERN    = 'lib%s.a'
-
-def configure(conf):
-	conf.find_xlcxx()
-	conf.find_ar()
-	conf.xlcxx_common_flags()
-	conf.cxx_load_tools()
-	conf.cxx_add_flags()
-	conf.link_add_flags()
-
diff --git a/waflib/Utils.py b/waflib/Utils.py
deleted file mode 100644
index 4b808a85..00000000
--- a/waflib/Utils.py
+++ /dev/null
@@ -1,1029 +0,0 @@
-#!/usr/bin/env python
-# encoding: utf-8
-# Thomas Nagy, 2005-2018 (ita)
-
-"""
-Utilities and platform-specific fixes
-
-The portability fixes try to provide a consistent behavior of the Waf API
-through Python versions 2.5 to 3.X and across different platforms (win32, linux, etc)
-"""
-
-from __future__ import with_statement
-
-import atexit, os, sys, errno, inspect, re, datetime, platform, base64, signal, functools, time
-
-try:
-	import cPickle
-except ImportError:
-	import pickle as cPickle
-
-# leave this
-if os.name == 'posix' and sys.version_info[0] < 3:
-	try:
-		import subprocess32 as subprocess
-	except ImportError:
-		import subprocess
-else:
-	import subprocess
-
-try:
-	TimeoutExpired = subprocess.TimeoutExpired
-except AttributeError:
-	class TimeoutExpired(Exception):
-		pass
-
-from collections import deque, defaultdict
-
-try:
-	import _winreg as winreg
-except ImportError:
-	try:
-		import winreg
-	except ImportError:
-		winreg = None
-
-from waflib import Errors
-
-try:
-	from hashlib import md5
-except ImportError:
-	try:
-		from hashlib import sha1 as md5
-	except ImportError:
-		# never fail to enable potential fixes from another module
-		pass
-else:
-	try:
-		md5().digest()
-	except ValueError:
-		# Fips? #2213
-		from hashlib import sha1 as md5
-
-try:
-	import threading
-except ImportError:
-	if not 'JOBS' in os.environ:
-		# no threading :-(
-		os.environ['JOBS'] = '1'
-
-	class threading(object):
-		"""
-		A fake threading class for platforms lacking the threading module.
-		Use ``waf -j1`` on those platforms
-		"""
-		pass
-	class Lock(object):
-		"""Fake Lock class"""
-		def acquire(self):
-			pass
-		def release(self):
-			pass
-	threading.Lock = threading.Thread = Lock
-
-SIG_NIL = 'SIG_NIL_SIG_NIL_'.encode()
-"""Arbitrary null value for hashes. Modify this value according to the hash function in use"""
-
-O644 = 420
-"""Constant representing the permissions for regular files (0644 raises a syntax error on python 3)"""
-
-O755 = 493
-"""Constant representing the permissions for executable files (0755 raises a syntax error on python 3)"""
-
-rot_chr = ['\\', '|', '/', '-']
-"List of characters to use when displaying the throbber (progress bar)"
-
-rot_idx = 0
-"Index of the current throbber character (progress bar)"
-
-class ordered_iter_dict(dict):
-	"""Ordered dictionary that provides iteration from the most recently inserted keys first"""
-	def __init__(self, *k, **kw):
-		self.lst = deque()
-		dict.__init__(self, *k, **kw)
-	def clear(self):
-		dict.clear(self)
-		self.lst = deque()
-	def __setitem__(self, key, value):
-		if key in dict.keys(self):
-			self.lst.remove(key)
-		dict.__setitem__(self, key, value)
-		self.lst.append(key)
-	def __delitem__(self, key):
-		dict.__delitem__(self, key)
-		try:
-			self.lst.remove(key)
-		except ValueError:
-			pass
-	def __iter__(self):
-		return reversed(self.lst)
-	def keys(self):
-		return reversed(self.lst)
-
-class lru_node(object):
-	"""
-	Used by :py:class:`waflib.Utils.lru_cache`
-	"""
-	__slots__ = ('next', 'prev', 'key', 'val')
-	def __init__(self):
-		self.next = self
-		self.prev = self
-		self.key = None
-		self.val = None
-
-class lru_cache(object):
-	"""
-	A simple least-recently used cache with lazy allocation
-	"""
-	__slots__ = ('maxlen', 'table', 'head')
-	def __init__(self, maxlen=100):
-		self.maxlen = maxlen
-		"""
-		Maximum amount of elements in the cache
-		"""
-		self.table = {}
-		"""
-		Mapping key-value
-		"""
-		self.head = lru_node()
-		self.head.next = self.head
-		self.head.prev = self.head
-
-	def __getitem__(self, key):
-		node = self.table[key]
-		# assert(key==node.key)
-		if node is self.head:
-			return node.val
-
-		# detach the node found
-		node.prev.next = node.next
-		node.next.prev = node.prev
-
-		# replace the head
-		node.next = self.head.next
-		node.prev = self.head
-		self.head = node.next.prev = node.prev.next = node
-
-		return node.val
-
-	def __setitem__(self, key, val):
-		if key in self.table:
-			# update the value for an existing key
-			node = self.table[key]
-			node.val = val
-			self.__getitem__(key)
-		else:
-			if len(self.table) < self.maxlen:
-				# the very first item is unused until the maximum is reached
-				node = lru_node()
-				node.prev = self.head
-				node.next = self.head.next
-				node.prev.next = node.next.prev = node
-			else:
-				node = self.head = self.head.next
-				try:
-					# that's another key
-					del self.table[node.key]
-				except KeyError:
-					pass
-
-			node.key = key
-			node.val = val
-			self.table[key] = node
-
-class lazy_generator(object):
-	def __init__(self, fun, params):
-		self.fun = fun
-		self.params = params
-
-	def __iter__(self):
-		return self
-
-	def __next__(self):
-		try:
-			it = self.it
-		except AttributeError:
-			it = self.it = self.fun(*self.params)
-		return next(it)
-
-	next = __next__
-
-is_win32 = os.sep == '\\' or sys.platform == 'win32' or os.name == 'nt' # msys2
-"""
-Whether this system is a Windows series
-"""
-
-def readf(fname, m='r', encoding='latin-1'):
-	"""
-	Reads an entire file into a string. See also :py:meth:`waflib.Node.Node.readf`::
-
-		def build(ctx):
-			from waflib import Utils
-			txt = Utils.readf(self.path.find_node('wscript').abspath())
-			txt = ctx.path.find_node('wscript').read()
-
-	:type  fname: string
-	:param fname: Path to file
-	:type  m: string
-	:param m: Open mode
-	:type encoding: string
-	:param encoding: encoding value, only used for python 3
-	:rtype: string
-	:return: Content of the file
-	"""
-
-	if sys.hexversion > 0x3000000 and not 'b' in m:
-		m += 'b'
-		with open(fname, m) as f:
-			txt = f.read()
-		if encoding:
-			txt = txt.decode(encoding)
-		else:
-			txt = txt.decode()
-	else:
-		with open(fname, m) as f:
-			txt = f.read()
-	return txt
-
-def writef(fname, data, m='w', encoding='latin-1'):
-	"""
-	Writes an entire file from a string.
-	See also :py:meth:`waflib.Node.Node.writef`::
-
-		def build(ctx):
-			from waflib import Utils
-			txt = Utils.writef(self.path.make_node('i_like_kittens').abspath(), 'some data')
-			self.path.make_node('i_like_kittens').write('some data')
-
-	:type  fname: string
-	:param fname: Path to file
-	:type   data: string
-	:param  data: The contents to write to the file
-	:type  m: string
-	:param m: Open mode
-	:type encoding: string
-	:param encoding: encoding value, only used for python 3
-	"""
-	if sys.hexversion > 0x3000000 and not 'b' in m:
-		data = data.encode(encoding)
-		m += 'b'
-	with open(fname, m) as f:
-		f.write(data)
-
-def h_file(fname):
-	"""
-	Computes a hash value for a file by using md5. Use the md5_tstamp
-	extension to get faster build hashes if necessary.
-
-	:type fname: string
-	:param fname: path to the file to hash
-	:return: hash of the file contents
-	:rtype: string or bytes
-	"""
-	m = md5()
-	with open(fname, 'rb') as f:
-		while fname:
-			fname = f.read(200000)
-			m.update(fname)
-	return m.digest()
-
-def readf_win32(f, m='r', encoding='latin-1'):
-	flags = os.O_NOINHERIT | os.O_RDONLY
-	if 'b' in m:
-		flags |= os.O_BINARY
-	if '+' in m:
-		flags |= os.O_RDWR
-	try:
-		fd = os.open(f, flags)
-	except OSError:
-		raise IOError('Cannot read from %r' % f)
-
-	if sys.hexversion > 0x3000000 and not 'b' in m:
-		m += 'b'
-		with os.fdopen(fd, m) as f:
-			txt = f.read()
-		if encoding:
-			txt = txt.decode(encoding)
-		else:
-			txt = txt.decode()
-	else:
-		with os.fdopen(fd, m) as f:
-			txt = f.read()
-	return txt
-
-def writef_win32(f, data, m='w', encoding='latin-1'):
-	if sys.hexversion > 0x3000000 and not 'b' in m:
-		data = data.encode(encoding)
-		m += 'b'
-	flags = os.O_CREAT | os.O_TRUNC | os.O_WRONLY | os.O_NOINHERIT
-	if 'b' in m:
-		flags |= os.O_BINARY
-	if '+' in m:
-		flags |= os.O_RDWR
-	try:
-		fd = os.open(f, flags)
-	except OSError:
-		raise OSError('Cannot write to %r' % f)
-	with os.fdopen(fd, m) as f:
-		f.write(data)
-
-def h_file_win32(fname):
-	try:
-		fd = os.open(fname, os.O_BINARY | os.O_RDONLY | os.O_NOINHERIT)
-	except OSError:
-		raise OSError('Cannot read from %r' % fname)
-	m = md5()
-	with os.fdopen(fd, 'rb') as f:
-		while fname:
-			fname = f.read(200000)
-			m.update(fname)
-	return m.digest()
-
-# always save these
-readf_unix = readf
-writef_unix = writef
-h_file_unix = h_file
-if hasattr(os, 'O_NOINHERIT') and sys.hexversion < 0x3040000:
-	# replace the default functions
-	readf = readf_win32
-	writef = writef_win32
-	h_file = h_file_win32
-
-try:
-	x = ''.encode('hex')
-except LookupError:
-	import binascii
-	def to_hex(s):
-		ret = binascii.hexlify(s)
-		if not isinstance(ret, str):
-			ret = ret.decode('utf-8')
-		return ret
-else:
-	def to_hex(s):
-		return s.encode('hex')
-
-to_hex.__doc__ = """
-Return the hexadecimal representation of a string
-
-:param s: string to convert
-:type s: string
-"""
-
-def listdir_win32(s):
-	"""
-	Lists the contents of a folder in a portable manner.
-	On Win32, returns the list of drive letters: ['C:', 'X:', 'Z:'] when an empty string is given.
-
-	:type s: string
-	:param s: a string, which can be empty on Windows
-	"""
-	if not s:
-		try:
-			import ctypes
-		except ImportError:
-			# there is nothing much we can do
-			return [x + ':\\' for x in 'ABCDEFGHIJKLMNOPQRSTUVWXYZ']
-		else:
-			dlen = 4 # length of "?:\\x00"
-			maxdrives = 26
-			buf = ctypes.create_string_buffer(maxdrives * dlen)
-			ndrives = ctypes.windll.kernel32.GetLogicalDriveStringsA(maxdrives*dlen, ctypes.byref(buf))
-			return [ str(buf.raw[4*i:4*i+2].decode('ascii')) for i in range(int(ndrives/dlen)) ]
-
-	if len(s) == 2 and s[1] == ":":
-		s += os.sep
-
-	if not os.path.isdir(s):
-		e = OSError('%s is not a directory' % s)
-		e.errno = errno.ENOENT
-		raise e
-	return os.listdir(s)
-
-listdir = os.listdir
-if is_win32:
-	listdir = listdir_win32
-
-def num2ver(ver):
-	"""
-	Converts a string, tuple or version number into an integer. The number is supposed to have at most 4 digits::
-
-		from waflib.Utils import num2ver
-		num2ver('1.3.2') == num2ver((1,3,2)) == num2ver((1,3,2,0))
-
-	:type ver: string or tuple of numbers
-	:param ver: a version number
-	"""
-	if isinstance(ver, str):
-		ver = tuple(ver.split('.'))
-	if isinstance(ver, tuple):
-		ret = 0
-		for i in range(4):
-			if i < len(ver):
-				ret += 256**(3 - i) * int(ver[i])
-		return ret
-	return ver
-
-def to_list(val):
-	"""
-	Converts a string argument to a list by splitting it by spaces.
-	Returns the object if not a string::
-
-		from waflib.Utils import to_list
-		lst = to_list('a b c d')
-
-	:param val: list of string or space-separated string
-	:rtype: list
-	:return: Argument converted to list
-	"""
-	if isinstance(val, str):
-		return val.split()
-	else:
-		return val
-
-def console_encoding():
-	try:
-		import ctypes
-	except ImportError:
-		pass
-	else:
-		try:
-			codepage = ctypes.windll.kernel32.GetConsoleCP()
-		except AttributeError:
-			pass
-		else:
-			if codepage:
-				return 'cp%d' % codepage
-	return sys.stdout.encoding or ('cp1252' if is_win32 else 'latin-1')
-
-def split_path_unix(path):
-	return path.split('/')
-
-def split_path_cygwin(path):
-	if path.startswith('//'):
-		ret = path.split('/')[2:]
-		ret[0] = '/' + ret[0]
-		return ret
-	return path.split('/')
-
-re_sp = re.compile('[/\\\\]+')
-def split_path_win32(path):
-	if path.startswith('\\\\'):
-		ret = re_sp.split(path)[1:]
-		ret[0] = '\\\\' + ret[0]
-		if ret[0] == '\\\\?':
-			return ret[1:]
-		return ret
-	return re_sp.split(path)
-
-msysroot = None
-def split_path_msys(path):
-	if path.startswith(('/', '\\')) and not path.startswith(('//', '\\\\')):
-		# msys paths can be in the form /usr/bin
-		global msysroot
-		if not msysroot:
-			# msys has python 2.7 or 3, so we can use this
-			msysroot = subprocess.check_output(['cygpath', '-w', '/']).decode(sys.stdout.encoding or 'latin-1')
-			msysroot = msysroot.strip()
-		path = os.path.normpath(msysroot + os.sep + path)
-	return split_path_win32(path)
-
-if sys.platform == 'cygwin':
-	split_path = split_path_cygwin
-elif is_win32:
-	# Consider this an MSYSTEM environment if $MSYSTEM is set and python
-	# reports is executable from a unix like path on a windows host.
-	if os.environ.get('MSYSTEM') and sys.executable.startswith('/'):
-		split_path = split_path_msys
-	else:
-		split_path = split_path_win32
-else:
-	split_path = split_path_unix
-
-split_path.__doc__ = """
-Splits a path by / or \\; do not confuse this function with with ``os.path.split``
-
-:type  path: string
-:param path: path to split
-:return:     list of string
-"""
-
-def check_dir(path):
-	"""
-	Ensures that a directory exists (similar to ``mkdir -p``).
-
-	:type  path: string
-	:param path: Path to directory
-	:raises: :py:class:`waflib.Errors.WafError` if the folder cannot be added.
-	"""
-	if not os.path.isdir(path):
-		try:
-			os.makedirs(path)
-		except OSError as e:
-			if not os.path.isdir(path):
-				raise Errors.WafError('Cannot create the folder %r' % path, ex=e)
-
-def check_exe(name, env=None):
-	"""
-	Ensures that a program exists
-
-	:type name: string
-	:param name: path to the program
-	:param env: configuration object
-	:type env: :py:class:`waflib.ConfigSet.ConfigSet`
-	:return: path of the program or None
-	:raises: :py:class:`waflib.Errors.WafError` if the folder cannot be added.
-	"""
-	if not name:
-		raise ValueError('Cannot execute an empty string!')
-	def is_exe(fpath):
-		return os.path.isfile(fpath) and os.access(fpath, os.X_OK)
-
-	fpath, fname = os.path.split(name)
-	if fpath and is_exe(name):
-		return os.path.abspath(name)
-	else:
-		env = env or os.environ
-		for path in env['PATH'].split(os.pathsep):
-			path = path.strip('"')
-			exe_file = os.path.join(path, name)
-			if is_exe(exe_file):
-				return os.path.abspath(exe_file)
-	return None
-
-def def_attrs(cls, **kw):
-	"""
-	Sets default attributes on a class instance
-
-	:type cls: class
-	:param cls: the class to update the given attributes in.
-	:type kw: dict
-	:param kw: dictionary of attributes names and values.
-	"""
-	for k, v in kw.items():
-		if not hasattr(cls, k):
-			setattr(cls, k, v)
-
-def quote_define_name(s):
-	"""
-	Converts a string into an identifier suitable for C defines.
-
-	:type  s: string
-	:param s: String to convert
-	:rtype: string
-	:return: Identifier suitable for C defines
-	"""
-	fu = re.sub('[^a-zA-Z0-9]', '_', s)
-	fu = re.sub('_+', '_', fu)
-	fu = fu.upper()
-	return fu
-
-re_sh = re.compile('\\s|\'|"')
-"""
-Regexp used for shell_escape below
-"""
-
-def shell_escape(cmd):
-	"""
-	Escapes a command:
-	['ls', '-l', 'arg space'] -> ls -l 'arg space'
-	"""
-	if isinstance(cmd, str):
-		return cmd
-	return ' '.join(repr(x) if re_sh.search(x) else x for x in cmd)
-
-def h_list(lst):
-	"""
-	Hashes lists of ordered data.
-
-	Using hash(tup) for tuples would be much more efficient,
-	but Python now enforces hash randomization
-
-	:param lst: list to hash
-	:type lst: list of strings
-	:return: hash of the list
-	"""
-	return md5(repr(lst).encode()).digest()
-
-def h_fun(fun):
-	"""
-	Hash functions
-
-	:param fun: function to hash
-	:type  fun: function
-	:return: hash of the function
-	:rtype: string or bytes
-	"""
-	try:
-		return fun.code
-	except AttributeError:
-		if isinstance(fun, functools.partial):
-			code = list(fun.args)
-			# The method items() provides a sequence of tuples where the first element
-			# represents an optional argument of the partial function application
-			#
-			# The sorting result outcome will be consistent because:
-			# 1. tuples are compared in order of their elements
-			# 2. optional argument namess are unique
-			code.extend(sorted(fun.keywords.items()))
-			code.append(h_fun(fun.func))
-			fun.code = h_list(code)
-			return fun.code
-		try:
-			h = inspect.getsource(fun)
-		except EnvironmentError:
-			h = 'nocode'
-		try:
-			fun.code = h
-		except AttributeError:
-			pass
-		return h
-
-def h_cmd(ins):
-	"""
-	Hashes objects recursively
-
-	:param ins: input object
-	:type ins: string or list or tuple or function
-	:rtype: string or bytes
-	"""
-	# this function is not meant to be particularly fast
-	if isinstance(ins, str):
-		# a command is either a string
-		ret = ins
-	elif isinstance(ins, list) or isinstance(ins, tuple):
-		# or a list of functions/strings
-		ret = str([h_cmd(x) for x in ins])
-	else:
-		# or just a python function
-		ret = str(h_fun(ins))
-	if sys.hexversion > 0x3000000:
-		ret = ret.encode('latin-1', 'xmlcharrefreplace')
-	return ret
-
-reg_subst = re.compile(r"(\\\\)|(\$\$)|\$\{([^}]+)\}")
-def subst_vars(expr, params):
-	"""
-	Replaces ${VAR} with the value of VAR taken from a dict or a config set::
-
-		from waflib import Utils
-		s = Utils.subst_vars('${PREFIX}/bin', env)
-
-	:type  expr: string
-	:param expr: String to perform substitution on
-	:param params: Dictionary or config set to look up variable values.
-	"""
-	def repl_var(m):
-		if m.group(1):
-			return '\\'
-		if m.group(2):
-			return '$'
-		try:
-			# ConfigSet instances may contain lists
-			return params.get_flat(m.group(3))
-		except AttributeError:
-			return params[m.group(3)]
-		# if you get a TypeError, it means that 'expr' is not a string...
-		# Utils.subst_vars(None, env)  will not work
-	return reg_subst.sub(repl_var, expr)
-
-def destos_to_binfmt(key):
-	"""
-	Returns the binary format based on the unversioned platform name,
-	and defaults to ``elf`` if nothing is found.
-
-	:param key: platform name
-	:type  key: string
-	:return: string representing the binary format
-	"""
-	if key == 'darwin':
-		return 'mac-o'
-	elif key in ('win32', 'cygwin', 'uwin', 'msys'):
-		return 'pe'
-	return 'elf'
-
-def unversioned_sys_platform():
-	"""
-	Returns the unversioned platform name.
-	Some Python platform names contain versions, that depend on
-	the build environment, e.g. linux2, freebsd6, etc.
-	This returns the name without the version number. Exceptions are
-	os2 and win32, which are returned verbatim.
-
-	:rtype: string
-	:return: Unversioned platform name
-	"""
-	s = sys.platform
-	if s.startswith('java'):
-		# The real OS is hidden under the JVM.
-		from java.lang import System
-		s = System.getProperty('os.name')
-		# see http://lopica.sourceforge.net/os.html for a list of possible values
-		if s == 'Mac OS X':
-			return 'darwin'
-		elif s.startswith('Windows '):
-			return 'win32'
-		elif s == 'OS/2':
-			return 'os2'
-		elif s == 'HP-UX':
-			return 'hp-ux'
-		elif s in ('SunOS', 'Solaris'):
-			return 'sunos'
-		else: s = s.lower()
-
-	# powerpc == darwin for our purposes
-	if s == 'powerpc':
-		return 'darwin'
-	if s == 'win32' or s == 'os2':
-		return s
-	if s == 'cli' and os.name == 'nt':
-		# ironpython is only on windows as far as we know
-		return 'win32'
-	return re.split(r'\d+$', s)[0]
-
-def nada(*k, **kw):
-	"""
-	Does nothing
-
-	:return: None
-	"""
-	pass
-
-class Timer(object):
-	"""
-	Simple object for timing the execution of commands.
-	Its string representation is the duration::
-
-		from waflib.Utils import Timer
-		timer = Timer()
-		a_few_operations()
-		s = str(timer)
-	"""
-	def __init__(self):
-		self.start_time = self.now()
-
-	def __str__(self):
-		delta = self.now() - self.start_time
-		if not isinstance(delta, datetime.timedelta):
-			delta = datetime.timedelta(seconds=delta)
-		days = delta.days
-		hours, rem = divmod(delta.seconds, 3600)
-		minutes, seconds = divmod(rem, 60)
-		seconds += delta.microseconds * 1e-6
-		result = ''
-		if days:
-			result += '%dd' % days
-		if days or hours:
-			result += '%dh' % hours
-		if days or hours or minutes:
-			result += '%dm' % minutes
-		return '%s%.3fs' % (result, seconds)
-
-	def now(self):
-		return datetime.datetime.utcnow()
-
-	if hasattr(time, 'perf_counter'):
-		def now(self):
-			return time.perf_counter()
-
-def read_la_file(path):
-	"""
-	Reads property files, used by msvc.py
-
-	:param path: file to read
-	:type path: string
-	"""
-	sp = re.compile(r'^([^=]+)=\'(.*)\'$')
-	dc = {}
-	for line in readf(path).splitlines():
-		try:
-			_, left, right, _ = sp.split(line.strip())
-			dc[left] = right
-		except ValueError:
-			pass
-	return dc
-
-def run_once(fun):
-	"""
-	Decorator: let a function cache its results, use like this::
-
-		@run_once
-		def foo(k):
-			return 345*2343
-
-	.. note:: in practice this can cause memory leaks, prefer a :py:class:`waflib.Utils.lru_cache`
-
-	:param fun: function to execute
-	:type fun: function
-	:return: the return value of the function executed
-	"""
-	cache = {}
-	def wrap(*k):
-		try:
-			return cache[k]
-		except KeyError:
-			ret = fun(*k)
-			cache[k] = ret
-			return ret
-	wrap.__cache__ = cache
-	wrap.__name__ = fun.__name__
-	return wrap
-
-def get_registry_app_path(key, filename):
-	"""
-	Returns the value of a registry key for an executable
-
-	:type key: string
-	:type filename: list of string
-	"""
-	if not winreg:
-		return None
-	try:
-		result = winreg.QueryValue(key, "Software\\Microsoft\\Windows\\CurrentVersion\\App Paths\\%s.exe" % filename[0])
-	except OSError:
-		pass
-	else:
-		if os.path.isfile(result):
-			return result
-
-def lib64():
-	"""
-	Guess the default ``/usr/lib`` extension for 64-bit applications
-
-	:return: '64' or ''
-	:rtype: string
-	"""
-	# default settings for /usr/lib
-	if os.sep == '/':
-		if platform.architecture()[0] == '64bit':
-			if os.path.exists('/usr/lib64') and not os.path.exists('/usr/lib32'):
-				return '64'
-	return ''
-
-def sane_path(p):
-	# private function for the time being!
-	return os.path.abspath(os.path.expanduser(p))
-
-process_pool = []
-"""
-List of processes started to execute sub-process commands
-"""
-
-def get_process():
-	"""
-	Returns a process object that can execute commands as sub-processes
-
-	:rtype: subprocess.Popen
-	"""
-	try:
-		return process_pool.pop()
-	except IndexError:
-		filepath = os.path.dirname(os.path.abspath(__file__)) + os.sep + 'processor.py'
-		cmd = [sys.executable, '-c', readf(filepath)]
-		return subprocess.Popen(cmd, stdout=subprocess.PIPE, stdin=subprocess.PIPE, bufsize=0)
-
-def run_prefork_process(cmd, kwargs, cargs):
-	"""
-	Delegates process execution to a pre-forked process instance.
-	"""
-	if not 'env' in kwargs:
-		kwargs['env'] = dict(os.environ)
-	try:
-		obj = base64.b64encode(cPickle.dumps([cmd, kwargs, cargs]))
-	except (TypeError, AttributeError):
-		return run_regular_process(cmd, kwargs, cargs)
-
-	proc = get_process()
-	if not proc:
-		return run_regular_process(cmd, kwargs, cargs)
-
-	proc.stdin.write(obj)
-	proc.stdin.write('\n'.encode())
-	proc.stdin.flush()
-	obj = proc.stdout.readline()
-	if not obj:
-		raise OSError('Preforked sub-process %r died' % proc.pid)
-
-	process_pool.append(proc)
-	lst = cPickle.loads(base64.b64decode(obj))
-	# Jython wrapper failures (bash/execvp)
-	assert len(lst) == 5
-	ret, out, err, ex, trace = lst
-	if ex:
-		if ex == 'OSError':
-			raise OSError(trace)
-		elif ex == 'ValueError':
-			raise ValueError(trace)
-		elif ex == 'TimeoutExpired':
-			exc = TimeoutExpired(cmd, timeout=cargs['timeout'], output=out)
-			exc.stderr = err
-			raise exc
-		else:
-			raise Exception(trace)
-	return ret, out, err
-
-def lchown(path, user=-1, group=-1):
-	"""
-	Change the owner/group of a path, raises an OSError if the
-	ownership change fails.
-
-	:param user: user to change
-	:type user: int or str
-	:param group: group to change
-	:type group: int or str
-	"""
-	if isinstance(user, str):
-		import pwd
-		entry = pwd.getpwnam(user)
-		if not entry:
-			raise OSError('Unknown user %r' % user)
-		user = entry[2]
-	if isinstance(group, str):
-		import grp
-		entry = grp.getgrnam(group)
-		if not entry:
-			raise OSError('Unknown group %r' % group)
-		group = entry[2]
-	return os.lchown(path, user, group)
-
-def run_regular_process(cmd, kwargs, cargs={}):
-	"""
-	Executes a subprocess command by using subprocess.Popen
-	"""
-	proc = subprocess.Popen(cmd, **kwargs)
-	if kwargs.get('stdout') or kwargs.get('stderr'):
-		try:
-			out, err = proc.communicate(**cargs)
-		except TimeoutExpired:
-			if kwargs.get('start_new_session') and hasattr(os, 'killpg'):
-				os.killpg(proc.pid, signal.SIGKILL)
-			else:
-				proc.kill()
-			out, err = proc.communicate()
-			exc = TimeoutExpired(proc.args, timeout=cargs['timeout'], output=out)
-			exc.stderr = err
-			raise exc
-		status = proc.returncode
-	else:
-		out, err = (None, None)
-		try:
-			status = proc.wait(**cargs)
-		except TimeoutExpired as e:
-			if kwargs.get('start_new_session') and hasattr(os, 'killpg'):
-				os.killpg(proc.pid, signal.SIGKILL)
-			else:
-				proc.kill()
-			proc.wait()
-			raise e
-	return status, out, err
-
-def run_process(cmd, kwargs, cargs={}):
-	"""
-	Executes a subprocess by using a pre-forked process when possible
-	or falling back to subprocess.Popen. See :py:func:`waflib.Utils.run_prefork_process`
-	and :py:func:`waflib.Utils.run_regular_process`
-	"""
-	if kwargs.get('stdout') and kwargs.get('stderr'):
-		return run_prefork_process(cmd, kwargs, cargs)
-	else:
-		return run_regular_process(cmd, kwargs, cargs)
-
-def alloc_process_pool(n, force=False):
-	"""
-	Allocates an amount of processes to the default pool so its size is at least *n*.
-	It is useful to call this function early so that the pre-forked
-	processes use as little memory as possible.
-
-	:param n: pool size
-	:type n: integer
-	:param force: if True then *n* more processes are added to the existing pool
-	:type force: bool
-	"""
-	# mandatory on python2, unnecessary on python >= 3.2
-	global run_process, get_process, alloc_process_pool
-	if not force:
-		n = max(n - len(process_pool), 0)
-	try:
-		lst = [get_process() for x in range(n)]
-	except OSError:
-		run_process = run_regular_process
-		get_process = alloc_process_pool = nada
-	else:
-		for x in lst:
-			process_pool.append(x)
-
-def atexit_pool():
-	for k in process_pool:
-		try:
-			os.kill(k.pid, 9)
-		except OSError:
-			pass
-		else:
-			k.wait()
-# see #1889
-if (sys.hexversion<0x207000f and not is_win32) or sys.hexversion>=0x306000f:
-	atexit.register(atexit_pool)
-
-if os.environ.get('WAF_NO_PREFORK') or sys.platform == 'cli' or not sys.executable:
-	run_process = run_regular_process
-	get_process = alloc_process_pool = nada
-
diff --git a/waflib/__init__.py b/waflib/__init__.py
deleted file mode 100644
index 079df358..00000000
--- a/waflib/__init__.py
+++ /dev/null
@@ -1,3 +0,0 @@
-#!/usr/bin/env python
-# encoding: utf-8
-# Thomas Nagy, 2005-2018 (ita)
diff --git a/waflib/ansiterm.py b/waflib/ansiterm.py
deleted file mode 100644
index 027f0ad6..00000000
--- a/waflib/ansiterm.py
+++ /dev/null
@@ -1,342 +0,0 @@
-#!/usr/bin/env python
-# encoding: utf-8
-
-"""
-Emulate a vt100 terminal in cmd.exe
-
-By wrapping sys.stdout / sys.stderr with Ansiterm,
-the vt100 escape characters will be interpreted and
-the equivalent actions will be performed with Win32
-console commands.
-
-"""
-
-import os, re, sys
-from waflib import Utils
-
-wlock = Utils.threading.Lock()
-
-try:
-	from ctypes import Structure, windll, c_short, c_ushort, c_ulong, c_int, byref, c_wchar, POINTER, c_long
-except ImportError:
-
-	class AnsiTerm(object):
-		def __init__(self, stream):
-			self.stream = stream
-			try:
-				self.errors = self.stream.errors
-			except AttributeError:
-				pass # python 2.5
-			self.encoding = self.stream.encoding
-
-		def write(self, txt):
-			try:
-				wlock.acquire()
-				self.stream.write(txt)
-				self.stream.flush()
-			finally:
-				wlock.release()
-
-		def fileno(self):
-			return self.stream.fileno()
-
-		def flush(self):
-			self.stream.flush()
-
-		def isatty(self):
-			return self.stream.isatty()
-else:
-
-	class COORD(Structure):
-		_fields_ = [("X", c_short), ("Y", c_short)]
-
-	class SMALL_RECT(Structure):
-		_fields_ = [("Left", c_short), ("Top", c_short), ("Right", c_short), ("Bottom", c_short)]
-
-	class CONSOLE_SCREEN_BUFFER_INFO(Structure):
-		_fields_ = [("Size", COORD), ("CursorPosition", COORD), ("Attributes", c_ushort), ("Window", SMALL_RECT), ("MaximumWindowSize", COORD)]
-
-	class CONSOLE_CURSOR_INFO(Structure):
-		_fields_ = [('dwSize', c_ulong), ('bVisible', c_int)]
-
-	try:
-		_type = unicode
-	except NameError:
-		_type = str
-
-	to_int = lambda number, default: number and int(number) or default
-
-	STD_OUTPUT_HANDLE = -11
-	STD_ERROR_HANDLE = -12
-
-	windll.kernel32.GetStdHandle.argtypes = [c_ulong]
-	windll.kernel32.GetStdHandle.restype = c_ulong
-	windll.kernel32.GetConsoleScreenBufferInfo.argtypes = [c_ulong, POINTER(CONSOLE_SCREEN_BUFFER_INFO)]
-	windll.kernel32.GetConsoleScreenBufferInfo.restype = c_long
-	windll.kernel32.SetConsoleTextAttribute.argtypes = [c_ulong, c_ushort]
-	windll.kernel32.SetConsoleTextAttribute.restype = c_long
-	windll.kernel32.FillConsoleOutputCharacterW.argtypes = [c_ulong, c_wchar, c_ulong, POINTER(COORD), POINTER(c_ulong)]
-	windll.kernel32.FillConsoleOutputCharacterW.restype = c_long
-	windll.kernel32.FillConsoleOutputAttribute.argtypes = [c_ulong, c_ushort, c_ulong, POINTER(COORD), POINTER(c_ulong) ]
-	windll.kernel32.FillConsoleOutputAttribute.restype = c_long
-	windll.kernel32.SetConsoleCursorPosition.argtypes = [c_ulong, POINTER(COORD) ]
-	windll.kernel32.SetConsoleCursorPosition.restype = c_long
-	windll.kernel32.SetConsoleCursorInfo.argtypes = [c_ulong, POINTER(CONSOLE_CURSOR_INFO)]
-	windll.kernel32.SetConsoleCursorInfo.restype = c_long
-
-	class AnsiTerm(object):
-		"""
-		emulate a vt100 terminal in cmd.exe
-		"""
-		def __init__(self, s):
-			self.stream = s
-			try:
-				self.errors = s.errors
-			except AttributeError:
-				pass # python2.5
-			self.encoding = s.encoding
-			self.cursor_history = []
-
-			handle = (s.fileno() == 2) and STD_ERROR_HANDLE or STD_OUTPUT_HANDLE
-			self.hconsole = windll.kernel32.GetStdHandle(handle)
-
-			self._sbinfo = CONSOLE_SCREEN_BUFFER_INFO()
-
-			self._csinfo = CONSOLE_CURSOR_INFO()
-			windll.kernel32.GetConsoleCursorInfo(self.hconsole, byref(self._csinfo))
-
-			# just to double check that the console is usable
-			self._orig_sbinfo = CONSOLE_SCREEN_BUFFER_INFO()
-			r = windll.kernel32.GetConsoleScreenBufferInfo(self.hconsole, byref(self._orig_sbinfo))
-			self._isatty = r == 1
-
-		def screen_buffer_info(self):
-			"""
-			Updates self._sbinfo and returns it
-			"""
-			windll.kernel32.GetConsoleScreenBufferInfo(self.hconsole, byref(self._sbinfo))
-			return self._sbinfo
-
-		def clear_line(self, param):
-			mode = param and int(param) or 0
-			sbinfo = self.screen_buffer_info()
-			if mode == 1: # Clear from beginning of line to cursor position
-				line_start = COORD(0, sbinfo.CursorPosition.Y)
-				line_length = sbinfo.Size.X
-			elif mode == 2: # Clear entire line
-				line_start = COORD(sbinfo.CursorPosition.X, sbinfo.CursorPosition.Y)
-				line_length = sbinfo.Size.X - sbinfo.CursorPosition.X
-			else: # Clear from cursor position to end of line
-				line_start = sbinfo.CursorPosition
-				line_length = sbinfo.Size.X - sbinfo.CursorPosition.X
-			chars_written = c_ulong()
-			windll.kernel32.FillConsoleOutputCharacterW(self.hconsole, c_wchar(' '), line_length, line_start, byref(chars_written))
-			windll.kernel32.FillConsoleOutputAttribute(self.hconsole, sbinfo.Attributes, line_length, line_start, byref(chars_written))
-
-		def clear_screen(self, param):
-			mode = to_int(param, 0)
-			sbinfo = self.screen_buffer_info()
-			if mode == 1: # Clear from beginning of screen to cursor position
-				clear_start = COORD(0, 0)
-				clear_length = sbinfo.CursorPosition.X * sbinfo.CursorPosition.Y
-			elif mode == 2: # Clear entire screen and return cursor to home
-				clear_start = COORD(0, 0)
-				clear_length = sbinfo.Size.X * sbinfo.Size.Y
-				windll.kernel32.SetConsoleCursorPosition(self.hconsole, clear_start)
-			else: # Clear from cursor position to end of screen
-				clear_start = sbinfo.CursorPosition
-				clear_length = ((sbinfo.Size.X - sbinfo.CursorPosition.X) + sbinfo.Size.X * (sbinfo.Size.Y - sbinfo.CursorPosition.Y))
-			chars_written = c_ulong()
-			windll.kernel32.FillConsoleOutputCharacterW(self.hconsole, c_wchar(' '), clear_length, clear_start, byref(chars_written))
-			windll.kernel32.FillConsoleOutputAttribute(self.hconsole, sbinfo.Attributes, clear_length, clear_start, byref(chars_written))
-
-		def push_cursor(self, param):
-			sbinfo = self.screen_buffer_info()
-			self.cursor_history.append(sbinfo.CursorPosition)
-
-		def pop_cursor(self, param):
-			if self.cursor_history:
-				old_pos = self.cursor_history.pop()
-				windll.kernel32.SetConsoleCursorPosition(self.hconsole, old_pos)
-
-		def set_cursor(self, param):
-			y, sep, x = param.partition(';')
-			x = to_int(x, 1) - 1
-			y = to_int(y, 1) - 1
-			sbinfo = self.screen_buffer_info()
-			new_pos = COORD(
-				min(max(0, x), sbinfo.Size.X),
-				min(max(0, y), sbinfo.Size.Y)
-			)
-			windll.kernel32.SetConsoleCursorPosition(self.hconsole, new_pos)
-
-		def set_column(self, param):
-			x = to_int(param, 1) - 1
-			sbinfo = self.screen_buffer_info()
-			new_pos = COORD(
-				min(max(0, x), sbinfo.Size.X),
-				sbinfo.CursorPosition.Y
-			)
-			windll.kernel32.SetConsoleCursorPosition(self.hconsole, new_pos)
-
-		def move_cursor(self, x_offset=0, y_offset=0):
-			sbinfo = self.screen_buffer_info()
-			new_pos = COORD(
-				min(max(0, sbinfo.CursorPosition.X + x_offset), sbinfo.Size.X),
-				min(max(0, sbinfo.CursorPosition.Y + y_offset), sbinfo.Size.Y)
-			)
-			windll.kernel32.SetConsoleCursorPosition(self.hconsole, new_pos)
-
-		def move_up(self, param):
-			self.move_cursor(y_offset = -to_int(param, 1))
-
-		def move_down(self, param):
-			self.move_cursor(y_offset = to_int(param, 1))
-
-		def move_left(self, param):
-			self.move_cursor(x_offset = -to_int(param, 1))
-
-		def move_right(self, param):
-			self.move_cursor(x_offset = to_int(param, 1))
-
-		def next_line(self, param):
-			sbinfo = self.screen_buffer_info()
-			self.move_cursor(
-				x_offset = -sbinfo.CursorPosition.X,
-				y_offset = to_int(param, 1)
-			)
-
-		def prev_line(self, param):
-			sbinfo = self.screen_buffer_info()
-			self.move_cursor(
-				x_offset = -sbinfo.CursorPosition.X,
-				y_offset = -to_int(param, 1)
-			)
-
-		def rgb2bgr(self, c):
-			return ((c&1) << 2) | (c&2) | ((c&4)>>2)
-
-		def set_color(self, param):
-			cols = param.split(';')
-			sbinfo = self.screen_buffer_info()
-			attr = sbinfo.Attributes
-			for c in cols:
-				c = to_int(c, 0)
-				if 29 < c < 38: # fgcolor
-					attr = (attr & 0xfff0) | self.rgb2bgr(c - 30)
-				elif 39 < c < 48: # bgcolor
-					attr = (attr & 0xff0f) | (self.rgb2bgr(c - 40) << 4)
-				elif c == 0: # reset
-					attr = self._orig_sbinfo.Attributes
-				elif c == 1: # strong
-					attr |= 0x08
-				elif c == 4: # blink not available -> bg intensity
-					attr |= 0x80
-				elif c == 7: # negative
-					attr = (attr & 0xff88) | ((attr & 0x70) >> 4) | ((attr & 0x07) << 4)
-
-			windll.kernel32.SetConsoleTextAttribute(self.hconsole, attr)
-
-		def show_cursor(self,param):
-			self._csinfo.bVisible = 1
-			windll.kernel32.SetConsoleCursorInfo(self.hconsole, byref(self._csinfo))
-
-		def hide_cursor(self,param):
-			self._csinfo.bVisible = 0
-			windll.kernel32.SetConsoleCursorInfo(self.hconsole, byref(self._csinfo))
-
-		ansi_command_table = {
-			'A': move_up,
-			'B': move_down,
-			'C': move_right,
-			'D': move_left,
-			'E': next_line,
-			'F': prev_line,
-			'G': set_column,
-			'H': set_cursor,
-			'f': set_cursor,
-			'J': clear_screen,
-			'K': clear_line,
-			'h': show_cursor,
-			'l': hide_cursor,
-			'm': set_color,
-			's': push_cursor,
-			'u': pop_cursor,
-		}
-		# Match either the escape sequence or text not containing escape sequence
-		ansi_tokens = re.compile(r'(?:\x1b\[([0-9?;]*)([a-zA-Z])|([^\x1b]+))')
-		def write(self, text):
-			try:
-				wlock.acquire()
-				if self._isatty:
-					for param, cmd, txt in self.ansi_tokens.findall(text):
-						if cmd:
-							cmd_func = self.ansi_command_table.get(cmd)
-							if cmd_func:
-								cmd_func(self, param)
-						else:
-							self.writeconsole(txt)
-				else:
-					# no support for colors in the console, just output the text:
-					# eclipse or msys may be able to interpret the escape sequences
-					self.stream.write(text)
-			finally:
-				wlock.release()
-
-		def writeconsole(self, txt):
-			chars_written = c_ulong()
-			writeconsole = windll.kernel32.WriteConsoleA
-			if isinstance(txt, _type):
-				writeconsole = windll.kernel32.WriteConsoleW
-
-			# MSDN says that there is a shared buffer of 64 KB for the console
-			# writes. Attempt to not get ERROR_NOT_ENOUGH_MEMORY, see waf issue #746
-			done = 0
-			todo = len(txt)
-			chunk = 32<<10
-			while todo != 0:
-				doing = min(chunk, todo)
-				buf = txt[done:done+doing]
-				r = writeconsole(self.hconsole, buf, doing, byref(chars_written), None)
-				if r == 0:
-					chunk >>= 1
-					continue
-				done += doing
-				todo -= doing
-
-
-		def fileno(self):
-			return self.stream.fileno()
-
-		def flush(self):
-			pass
-
-		def isatty(self):
-			return self._isatty
-
-	if sys.stdout.isatty() or sys.stderr.isatty():
-		handle = sys.stdout.isatty() and STD_OUTPUT_HANDLE or STD_ERROR_HANDLE
-		console = windll.kernel32.GetStdHandle(handle)
-		sbinfo = CONSOLE_SCREEN_BUFFER_INFO()
-		def get_term_cols():
-			windll.kernel32.GetConsoleScreenBufferInfo(console, byref(sbinfo))
-			# Issue 1401 - the progress bar cannot reach the last character
-			return sbinfo.Size.X - 1
-
-# just try and see
-try:
-	import struct, fcntl, termios
-except ImportError:
-	pass
-else:
-	if (sys.stdout.isatty() or sys.stderr.isatty()) and os.environ.get('TERM', '') not in ('dumb', 'emacs'):
-		FD = sys.stdout.isatty() and sys.stdout.fileno() or sys.stderr.fileno()
-		def fun():
-			return struct.unpack("HHHH", fcntl.ioctl(FD, termios.TIOCGWINSZ, struct.pack("HHHH", 0, 0, 0, 0)))[1]
-		try:
-			fun()
-		except Exception as e:
-			pass
-		else:
-			get_term_cols = fun
-
diff --git a/waflib/extras/__init__.py b/waflib/extras/__init__.py
deleted file mode 100644
index c8a3c349..00000000
--- a/waflib/extras/__init__.py
+++ /dev/null
@@ -1,3 +0,0 @@
-#!/usr/bin/env python
-# encoding: utf-8
-# Thomas Nagy, 2005-2010 (ita)
diff --git a/waflib/extras/autowaf.py b/waflib/extras/autowaf.py
deleted file mode 100644
index 5feef036..00000000
--- a/waflib/extras/autowaf.py
+++ /dev/null
@@ -1,1452 +0,0 @@
-import glob
-import os
-import subprocess
-import sys
-import time
-
-from waflib import Configure, ConfigSet, Build, Context, Logs, Options, Utils
-from waflib.TaskGen import feature, before, after
-
-global g_is_child
-g_is_child = False
-
-NONEMPTY = -10
-
-if sys.platform == 'win32':
-    lib_path_name = 'PATH'
-elif sys.platform == 'darwin':
-    lib_path_name = 'DYLD_LIBRARY_PATH'
-else:
-    lib_path_name = 'LD_LIBRARY_PATH'
-
-# Compute dependencies globally
-# import preproc
-# preproc.go_absolute = True
-
-@feature('c', 'cxx')
-@after('apply_incpaths')
-def include_config_h(self):
-    self.env.append_value('INCPATHS', self.bld.bldnode.abspath())
-
-class OptionsContext(Options.OptionsContext):
-    def __init__(self, **kwargs):
-        super(OptionsContext, self).__init__(**kwargs)
-        set_options(self)
-
-    def configuration_options(self):
-        return self.get_option_group('Configuration options')
-
-    def add_flags(self, group, flags):
-        """Tersely add flags (a dictionary of longname:desc) to a group"""
-        for name, desc in flags.items():
-            group.add_option('--' + name, action='store_true',
-                             dest=name.replace('-', '_'), help=desc)
-
-def set_options(opt, debug_by_default=False):
-    "Add standard autowaf options"
-    opts = opt.get_option_group('Configuration options')
-
-    # Standard directory options
-    opts.add_option('--bindir', type='string',
-                    help="executable programs [default: PREFIX/bin]")
-    opts.add_option('--configdir', type='string',
-                    help="configuration data [default: PREFIX/etc]")
-    opts.add_option('--datadir', type='string',
-                    help="shared data [default: PREFIX/share]")
-    opts.add_option('--includedir', type='string',
-                    help="header files [default: PREFIX/include]")
-    opts.add_option('--libdir', type='string',
-                    help="libraries [default: PREFIX/lib]")
-    opts.add_option('--mandir', type='string',
-                    help="manual pages [default: DATADIR/man]")
-    opts.add_option('--docdir', type='string',
-                    help="HTML documentation [default: DATADIR/doc]")
-
-    # Build options
-    if debug_by_default:
-        opts.add_option('--optimize', action='store_false', default=True,
-                        dest='debug', help="build optimized binaries")
-    else:
-        opts.add_option('-d', '--debug', action='store_true', default=False,
-                        dest='debug', help="build debuggable binaries")
-        opts.add_option('--pardebug', action='store_true', default=False,
-                        dest='pardebug',
-                        help="build debug libraries with D suffix")
-
-    opts.add_option('-s', '--strict', action='store_true', default=False,
-                    dest='strict',
-                    help="use strict compiler flags and show all warnings")
-    opts.add_option('-S', '--ultra-strict', action='store_true', default=False,
-                    dest='ultra_strict',
-                    help="use extremely strict compiler flags (likely noisy)")
-    opts.add_option('--docs', action='store_true', default=False, dest='docs',
-                    help="build documentation (requires doxygen)")
-
-    # Test options
-    if hasattr(Context.g_module, 'test'):
-        test_opts = opt.add_option_group('Test options', '')
-        opts.add_option('-T', '--test', action='store_true', dest='build_tests',
-                        help='build unit tests')
-        opts.add_option('--no-coverage', action='store_true',
-                        dest='no_coverage',
-                        help='do not instrument code for test coverage')
-        test_opts.add_option('--wrapper', type='string',
-                             dest='test_wrapper',
-                             help='command prefix for tests (e.g. valgrind)')
-        test_opts.add_option('--test-filter', type='string',
-                             dest='test_filter',
-                             help='regular expression for tests to run')
-
-    # Run options
-    run_opts = opt.add_option_group('Run options')
-    run_opts.add_option('--cmd', type='string', dest='cmd',
-                        help='command to run from build directory')
-
-class ConfigureContext(Configure.ConfigurationContext):
-    """configures the project"""
-
-    def __init__(self, **kwargs):
-        self.line_just = 45
-        if hasattr(Context.g_module, 'line_just'):
-            self.line_just = Context.g_module.line_just
-
-        super(ConfigureContext, self).__init__(**kwargs)
-        self.run_env = ConfigSet.ConfigSet()
-        self.system_include_paths = set()
-
-    def pre_recurse(self, node):
-        if len(self.stack_path) == 1:
-            Logs.pprint('BOLD', 'Configuring %s' % node.parent.srcpath())
-        super(ConfigureContext, self).pre_recurse(node)
-
-    def store(self):
-        self.env.AUTOWAF_RUN_ENV = self.run_env.get_merged_dict()
-        for path in sorted(self.system_include_paths):
-            if 'COMPILER_CC' in self.env:
-                self.env.append_value('CFLAGS', ['-isystem', path])
-            if 'COMPILER_CXX' in self.env:
-                self.env.append_value('CXXFLAGS', ['-isystem', path])
-
-        super(ConfigureContext, self).store()
-
-    def build_path(self, path='.'):
-        """Return `path` within the build directory"""
-        return str(self.path.get_bld().find_node(path))
-
-def get_check_func(conf, lang):
-    if lang == 'c':
-        return conf.check_cc
-    elif lang == 'cxx':
-        return conf.check_cxx
-    else:
-        Logs.error("Unknown header language `%s'" % lang)
-
-def check_header(conf, lang, name, define='', mandatory=True):
-    "Check for a header"
-    check_func = get_check_func(conf, lang)
-    if define != '':
-        check_func(header_name=name,
-                   define_name=define,
-                   mandatory=mandatory)
-    else:
-        check_func(header_name=name, mandatory=mandatory)
-
-def check_function(conf, lang, name, **args):
-    "Check for a function"
-    header_names = Utils.to_list(args['header_name'])
-    includes = ''.join(['#include <%s>\n' % x for x in header_names])
-    fragment = '''
-%s
-int main() { return !(void(*)())(%s); }
-''' % (includes, name)
-
-    check_func  = get_check_func(conf, lang)
-    args['msg'] = 'Checking for %s' % name
-    check_func(fragment=fragment, **args)
-
-def nameify(name):
-    return (name.replace('/', '_').replace('++', 'PP')
-            .replace('-', '_').replace('.', '_'))
-
-def define(conf, var_name, value):
-    conf.define(var_name, value)
-    conf.env[var_name] = value
-
-def check_pkg(conf, name, **args):
-    "Check for a package iff it hasn't been checked for yet"
-    if args['uselib_store'].lower() in conf.env['AUTOWAF_LOCAL_LIBS']:
-        return
-
-    class CheckType:
-        OPTIONAL = 1
-        MANDATORY = 2
-
-    var_name = 'CHECKED_' + nameify(args['uselib_store'])
-    check = var_name not in conf.env
-    mandatory = 'mandatory' not in args or args['mandatory']
-    if not check and 'atleast_version' in args:
-        # Re-check if version is newer than previous check
-        checked_version = conf.env['VERSION_' + name]
-        if checked_version and checked_version < args['atleast_version']:
-            check = True
-    if not check and mandatory and conf.env[var_name] == CheckType.OPTIONAL:
-        # Re-check if previous check was optional but this one is mandatory
-        check = True
-    if check:
-        found = None
-        pkg_var_name = 'PKG_' + name.replace('-', '_')
-        pkg_name = name
-        if conf.env.PARDEBUG:
-            args['mandatory'] = False  # Smash mandatory arg
-            found = conf.check_cfg(package=pkg_name + 'D',
-                                   args="--cflags --libs", **args)
-            if found:
-                pkg_name += 'D'
-        if mandatory:
-            args['mandatory'] = True  # Unsmash mandatory arg
-        if not found:
-            found = conf.check_cfg(package=pkg_name, args="--cflags --libs",
-                                   **args)
-        if found:
-            conf.env[pkg_var_name] = pkg_name
-        if 'atleast_version' in args:
-            conf.env['VERSION_' + name] = args['atleast_version']
-    if mandatory:
-        conf.env[var_name] = CheckType.MANDATORY
-    else:
-        conf.env[var_name] = CheckType.OPTIONAL
-
-    if not conf.env.MSVC_COMPILER and 'system' in args and args['system']:
-        conf.system_include_paths.update(
-            conf.env['INCLUDES_' + nameify(args['uselib_store'])])
-
-def normpath(path):
-    if sys.platform == 'win32':
-        return os.path.normpath(path).replace('\\', '/')
-    else:
-        return os.path.normpath(path)
-
-def configure(conf):
-    def append_cxx_flags(flags):
-        conf.env.append_value('CFLAGS', flags)
-        conf.env.append_value('CXXFLAGS', flags)
-
-    if Options.options.docs:
-        conf.load('doxygen')
-
-    try:
-        conf.load('clang_compilation_database')
-    except Exception:
-        pass
-
-    prefix = normpath(os.path.abspath(os.path.expanduser(conf.env['PREFIX'])))
-
-    conf.env['DOCS'] = Options.options.docs and conf.env.DOXYGEN
-    conf.env['DEBUG'] = Options.options.debug or Options.options.pardebug
-    conf.env['PARDEBUG'] = Options.options.pardebug
-    conf.env['PREFIX'] = prefix
-
-    def config_dir(var, opt, default):
-        if opt:
-            conf.env[var] = normpath(opt)
-        else:
-            conf.env[var] = normpath(default)
-
-    opts = Options.options
-
-    config_dir('BINDIR',     opts.bindir,     os.path.join(prefix,  'bin'))
-    config_dir('SYSCONFDIR', opts.configdir,  os.path.join(prefix,  'etc'))
-    config_dir('DATADIR',    opts.datadir,    os.path.join(prefix,  'share'))
-    config_dir('INCLUDEDIR', opts.includedir, os.path.join(prefix,  'include'))
-    config_dir('LIBDIR',     opts.libdir,     os.path.join(prefix,  'lib'))
-
-    datadir = conf.env['DATADIR']
-    config_dir('MANDIR', opts.mandir, os.path.join(datadir, 'man'))
-    config_dir('DOCDIR', opts.docdir, os.path.join(datadir, 'doc'))
-
-    if Options.options.debug:
-        if conf.env['MSVC_COMPILER']:
-            conf.env['CFLAGS']    = ['/Od', '/Z7', '/MTd', '/FS']
-            conf.env['CXXFLAGS']  = ['/Od', '/Z7', '/MTd', '/FS']
-            conf.env['LINKFLAGS'] = ['/DEBUG', '/MANIFEST']
-        else:
-            conf.env['CFLAGS']   = ['-O0', '-g']
-            conf.env['CXXFLAGS'] = ['-O0', '-g']
-    else:
-        if conf.env['MSVC_COMPILER']:
-            append_cxx_flags(['/MD', '/FS', '/DNDEBUG'])
-        else:
-            append_cxx_flags(['-DNDEBUG'])
-
-    if conf.env.MSVC_COMPILER:
-        Options.options.no_coverage = True
-        append_cxx_flags(['/nologo',
-                          '/FS',
-                          '/DNDEBUG',
-                          '/D_CRT_SECURE_NO_WARNINGS',
-                          '/experimental:external',
-                          '/external:W0',
-                          '/external:anglebrackets'])
-        conf.env.append_value('LINKFLAGS', '/nologo')
-        if Options.options.strict or Options.options.ultra_strict:
-            ms_strict_flags = ['/Wall',
-                               '/wd4061',
-                               '/wd4200',
-                               '/wd4514',
-                               '/wd4571',
-                               '/wd4625',
-                               '/wd4626',
-                               '/wd4706',
-                               '/wd4710',
-                               '/wd4820',
-                               '/wd5026',
-                               '/wd5027',
-                               '/wd5045']
-            conf.env.append_value('CFLAGS', ms_strict_flags)
-            conf.env.append_value('CXXFLAGS', ms_strict_flags)
-            conf.env.append_value('CXXFLAGS', ['/EHsc'])
-    else:
-        if Options.options.ultra_strict:
-            Options.options.strict = True
-            conf.env.append_value('CFLAGS', ['-Wredundant-decls',
-                                             '-Wstrict-prototypes',
-                                             '-Wmissing-prototypes',
-                                             '-Wcast-qual'])
-            conf.env.append_value('CXXFLAGS', ['-Wcast-qual'])
-
-        if Options.options.strict:
-            conf.env.append_value('CFLAGS', ['-pedantic', '-Wshadow'])
-            if conf.env.DEST_OS != "darwin":
-                conf.env.append_value('LINKFLAGS', ['-Wl,--no-undefined'])
-            conf.env.append_value('CXXFLAGS', ['-Wnon-virtual-dtor',
-                                               '-Woverloaded-virtual'])
-            append_cxx_flags(['-Wall',
-                              '-Wcast-align',
-                              '-Wextra',
-                              '-Wmissing-declarations',
-                              '-Wno-unused-parameter',
-                              '-Wstrict-overflow',
-                              '-Wundef',
-                              '-Wwrite-strings',
-                              '-fstrict-overflow'])
-
-            # Add less universal flags after checking they work
-            extra_flags = ['-Wlogical-op',
-                           '-Wsuggest-attribute=noreturn',
-                           '-Wunsafe-loop-optimizations']
-            if conf.check_cc(cflags=['-Werror'] + extra_flags, mandatory=False,
-                             msg="Checking for extra C warning flags"):
-                conf.env.append_value('CFLAGS', extra_flags)
-            if 'COMPILER_CXX' in conf.env:
-                if conf.check_cxx(cxxflags=['-Werror'] + extra_flags,
-                                  mandatory=False,
-                                  msg="Checking for extra C++ warning flags"):
-                    conf.env.append_value('CXXFLAGS', extra_flags)
-
-    if not conf.env['MSVC_COMPILER']:
-        append_cxx_flags(['-fshow-column'])
-
-    conf.env.NO_COVERAGE = True
-    conf.env.BUILD_TESTS = False
-    try:
-        conf.env.BUILD_TESTS = Options.options.build_tests
-        conf.env.NO_COVERAGE = Options.options.no_coverage
-        if not Options.options.no_coverage:
-            # Set up unit test code coverage
-            if conf.is_defined('CLANG'):
-                for cov in [conf.env.CC[0].replace('clang', 'llvm-cov'),
-                            'llvm-cov']:
-                    if conf.find_program(cov, var='LLVM_COV', mandatory=False):
-                        break
-            else:
-                conf.check_cc(lib='gcov', define_name='HAVE_GCOV',
-                              mandatory=False)
-    except Exception:
-        pass  # Test options do not exist
-
-    # Define version in configuration
-    appname = getattr(Context.g_module, Context.APPNAME, 'noname')
-    version = getattr(Context.g_module, Context.VERSION, '0.0.0')
-    defname = appname.upper().replace('-', '_').replace('.', '_')
-    define(conf, defname + '_VERSION', version)
-
-    conf.env.prepend_value('CFLAGS', '-I' + os.path.abspath('.'))
-    conf.env.prepend_value('CXXFLAGS', '-I' + os.path.abspath('.'))
-
-def display_summary(conf, msgs=None):
-    if len(conf.stack_path) == 1:
-        display_msg(conf, "Install prefix", conf.env['PREFIX'])
-        if 'COMPILER_CC' in conf.env:
-            display_msg(conf, "C Flags", ' '.join(conf.env['CFLAGS']))
-        if 'COMPILER_CXX' in conf.env:
-            display_msg(conf, "C++ Flags", ' '.join(conf.env['CXXFLAGS']))
-        display_msg(conf, "Debuggable", bool(conf.env['DEBUG']))
-        display_msg(conf, "Build documentation", bool(conf.env['DOCS']))
-
-    if msgs is not None:
-        display_msgs(conf, msgs)
-
-def set_c_lang(conf, lang):
-    "Set a specific C language standard, like 'c99' or 'c11'"
-    if conf.env.MSVC_COMPILER:
-        # MSVC has no hope or desire to compile C99, just compile as C++
-        conf.env.append_unique('CFLAGS', ['/TP'])
-    else:
-        flag = '-std=%s' % lang
-        conf.check(cflags=['-Werror', flag],
-                   msg="Checking for flag '%s'" % flag)
-        conf.env.append_unique('CFLAGS', [flag])
-
-def set_cxx_lang(conf, lang):
-    "Set a specific C++ language standard, like 'c++11', 'c++14', or 'c++17'"
-    if conf.env.MSVC_COMPILER:
-        if lang != 'c++14':
-            lang = 'c++latest'
-        conf.env.append_unique('CXXFLAGS', ['/std:%s' % lang])
-    else:
-        flag = '-std=%s' % lang
-        conf.check(cxxflags=['-Werror', flag],
-                   msg="Checking for flag '%s'" % flag)
-        conf.env.append_unique('CXXFLAGS', [flag])
-
-def set_modern_c_flags(conf):
-    "Use the most modern C language available"
-    if 'COMPILER_CC' in conf.env:
-        if conf.env.MSVC_COMPILER:
-            # MSVC has no hope or desire to compile C99, just compile as C++
-            conf.env.append_unique('CFLAGS', ['/TP'])
-        else:
-            for flag in ['-std=c11', '-std=c99']:
-                if conf.check(cflags=['-Werror', flag], mandatory=False,
-                              msg="Checking for flag '%s'" % flag):
-                    conf.env.append_unique('CFLAGS', [flag])
-                    break
-
-def set_modern_cxx_flags(conf, mandatory=False):
-    "Use the most modern C++ language available"
-    if 'COMPILER_CXX' in conf.env:
-        if conf.env.MSVC_COMPILER:
-            conf.env.append_unique('CXXFLAGS', ['/std:c++latest'])
-        else:
-            for lang in ['c++14', 'c++1y', 'c++11', 'c++0x']:
-                flag = '-std=%s' % lang
-                if conf.check(cxxflags=['-Werror', flag], mandatory=False,
-                              msg="Checking for flag '%s'" % flag):
-                    conf.env.append_unique('CXXFLAGS', [flag])
-                    break
-
-def set_local_lib(conf, name, has_objects):
-    var_name = 'HAVE_' + nameify(name.upper())
-    define(conf, var_name, 1)
-    if has_objects:
-        if type(conf.env['AUTOWAF_LOCAL_LIBS']) != dict:
-            conf.env['AUTOWAF_LOCAL_LIBS'] = {}
-        conf.env['AUTOWAF_LOCAL_LIBS'][name.lower()] = True
-    else:
-        if type(conf.env['AUTOWAF_LOCAL_HEADERS']) != dict:
-            conf.env['AUTOWAF_LOCAL_HEADERS'] = {}
-        conf.env['AUTOWAF_LOCAL_HEADERS'][name.lower()] = True
-
-def append_property(obj, key, val):
-    if hasattr(obj, key):
-        setattr(obj, key, getattr(obj, key) + val)
-    else:
-        setattr(obj, key, val)
-
-def use_lib(bld, obj, libs):
-    abssrcdir = os.path.abspath('.')
-    libs_list = libs.split()
-    for l in libs_list:
-        in_headers = l.lower() in bld.env['AUTOWAF_LOCAL_HEADERS']
-        in_libs    = l.lower() in bld.env['AUTOWAF_LOCAL_LIBS']
-        if in_libs:
-            append_property(obj, 'use', ' lib%s ' % l.lower())
-            append_property(obj, 'framework', bld.env['FRAMEWORK_' + l])
-        if in_headers or in_libs:
-            if bld.env.MSVC_COMPILER:
-                inc_flag = '/I' + os.path.join(abssrcdir, l.lower())
-            else:
-                inc_flag = '-iquote ' + os.path.join(abssrcdir, l.lower())
-            for f in ['CFLAGS', 'CXXFLAGS']:
-                if inc_flag not in bld.env[f]:
-                    bld.env.prepend_value(f, inc_flag)
-        else:
-            append_property(obj, 'uselib', ' ' + l)
-
-@feature('c', 'cxx')
-@before('apply_link')
-def version_lib(self):
-    if self.env.DEST_OS == 'win32':
-        self.vnum = None  # Prevent waf from automatically appending -0
-    if self.env['PARDEBUG']:
-        applicable = ['cshlib', 'cxxshlib', 'cstlib', 'cxxstlib']
-        if [x for x in applicable if x in self.features]:
-            self.target = self.target + 'D'
-
-def set_lib_env(conf, name, version):
-    "Set up environment for local library as if found via pkg-config."
-    NAME         = name.upper()
-    major_ver    = version.split('.')[0]
-    pkg_var_name = 'PKG_' + name.replace('-', '_') + '_' + major_ver
-    lib_name     = '%s-%s' % (name, major_ver)
-    lib_path     = [str(conf.path.get_bld())]
-    if conf.env.PARDEBUG:
-        lib_name += 'D'
-    conf.env[pkg_var_name]       = lib_name
-    conf.env['INCLUDES_' + NAME] = ['${INCLUDEDIR}/%s-%s' % (name, major_ver)]
-    conf.env['LIBPATH_' + NAME]  = lib_path
-    conf.env['LIB_' + NAME]      = [lib_name]
-
-    conf.run_env.append_unique(lib_path_name, lib_path)
-    conf.define(NAME + '_VERSION', version)
-
-def display_msg(conf, msg, status=None, color=None):
-    color = 'CYAN'
-    if type(status) == bool and status:
-        color  = 'GREEN'
-        status = 'yes'
-    elif type(status) == bool and not status or status == "False":
-        color  = 'YELLOW'
-        status = 'no'
-    Logs.pprint('BOLD', '%s' % msg.ljust(conf.line_just), sep='')
-    Logs.pprint('BOLD', ":", sep='')
-    Logs.pprint(color, status)
-
-def display_msgs(conf, msgs):
-    for k, v in msgs.items():
-        display_msg(conf, k, v)
-
-def link_flags(env, lib):
-    return ' '.join(map(lambda x: env['LIB_ST'] % x,
-                        env['LIB_' + lib]))
-
-def compile_flags(env, lib):
-    return ' '.join(map(lambda x: env['CPPPATH_ST'] % x,
-                        env['INCLUDES_' + lib]))
-
-def set_recursive():
-    global g_is_child
-    g_is_child = True
-
-def is_child():
-    global g_is_child
-    return g_is_child
-
-def build_pc(bld, name, version, version_suffix, libs, subst_dict={}):
-    """Build a pkg-config file for a library.
-
-    name           -- uppercase variable name     (e.g. 'SOMENAME')
-    version        -- version string              (e.g. '1.2.3')
-    version_suffix -- name version suffix         (e.g. '2')
-    libs           -- string/list of dependencies (e.g. 'LIBFOO GLIB')
-    """
-
-    pkg_prefix       = bld.env['PREFIX']
-    if len(pkg_prefix) > 1 and pkg_prefix[-1] == '/':
-        pkg_prefix = pkg_prefix[:-1]
-
-    target = name.lower()
-    if version_suffix != '':
-        target += '-' + version_suffix
-
-    if bld.env['PARDEBUG']:
-        target += 'D'
-
-    target += '.pc'
-
-    libdir = bld.env['LIBDIR']
-    if libdir.startswith(pkg_prefix):
-        libdir = libdir.replace(pkg_prefix, '${exec_prefix}')
-
-    includedir = bld.env['INCLUDEDIR']
-    if includedir.startswith(pkg_prefix):
-        includedir = includedir.replace(pkg_prefix, '${prefix}')
-
-    obj = bld(features='subst',
-              source='%s.pc.in' % name.lower(),
-              target=target,
-              install_path=os.path.join(bld.env['LIBDIR'], 'pkgconfig'),
-              exec_prefix='${prefix}',
-              PREFIX=pkg_prefix,
-              EXEC_PREFIX='${prefix}',
-              LIBDIR=libdir,
-              INCLUDEDIR=includedir)
-
-    if type(libs) != list:
-        libs = libs.split()
-
-    subst_dict[name + '_VERSION'] = version
-    subst_dict[name + '_MAJOR_VERSION'] = version[0:version.find('.')]
-    for i in libs:
-        subst_dict[i + '_LIBS']   = link_flags(bld.env, i)
-        lib_cflags = compile_flags(bld.env, i)
-        if lib_cflags == '':
-            lib_cflags = ' '
-        subst_dict[i + '_CFLAGS'] = lib_cflags
-
-    obj.__dict__.update(subst_dict)
-
-def build_dir(name, subdir):
-    if is_child():
-        return os.path.join('build', name, subdir)
-    else:
-        return os.path.join('build', subdir)
-
-
-def make_simple_dox(name):
-    "Clean up messy Doxygen documentation after it is built"
-    name = name.lower()
-    NAME = name.upper()
-    try:
-        top = os.getcwd()
-        os.chdir(build_dir(name, 'doc/html'))
-        page = 'group__%s.html' % name
-        if not os.path.exists(page):
-            return
-        for i in [
-            ['%s_API ' % NAME, ''],
-            ['%s_DEPRECATED ' % NAME, ''],
-            ['group__%s.html' % name, ''],
-            ['&#160;', ''],
-            [r'<script.*><\/script>', ''],
-            [r'<hr\/><a name="details" id="details"><\/a><h2>.*<\/h2>', ''],
-            [r'<link href=\"tabs.css\" rel=\"stylesheet\" type=\"text\/css\"\/>',
-             ''],
-            [r'<img class=\"footer\" src=\"doxygen.png\" alt=\"doxygen\"\/>',
-             'Doxygen']]:
-            os.system("sed -i 's/%s/%s/g' %s" % (i[0], i[1], page))
-        os.rename('group__%s.html' % name, 'index.html')
-        for i in (glob.glob('*.png') +
-                  glob.glob('*.html') +
-                  glob.glob('*.js') +
-                  glob.glob('*.css')):
-            if i != 'index.html' and i != 'style.css':
-                os.remove(i)
-        os.chdir(top)
-        os.chdir(build_dir(name, 'doc/man/man3'))
-        for i in glob.glob('*.3'):
-            os.system("sed -i 's/%s_API //' %s" % (NAME, i))
-        for i in glob.glob('_*'):
-            os.remove(i)
-        os.chdir(top)
-    except Exception as e:
-        Logs.error("Failed to fix up %s documentation: %s" % (name, e))
-    finally:
-        os.chdir(top)
-
-def build_dox(bld, name, version, srcdir, blddir, outdir='', versioned=True):
-    """Build Doxygen API documentation"""
-    if not bld.env['DOCS']:
-        return
-
-    # Doxygen paths in are relative to the doxygen file, not build directory
-    if is_child():
-        src_dir = os.path.join(srcdir, name.lower())
-    else:
-        src_dir = srcdir
-
-    subst_tg = bld(features='subst',
-                   source='doc/reference.doxygen.in',
-                   target='doc/reference.doxygen',
-                   install_path='',
-                   name='doxyfile')
-
-    subst_dict = {
-        name + '_VERSION': version,
-        name + '_SRCDIR': os.path.abspath(src_dir),
-        name + '_DOC_DIR': ''
-    }
-
-    subst_tg.__dict__.update(subst_dict)
-
-    subst_tg.post()
-
-    docs = bld(features='doxygen',
-               doxyfile='doc/reference.doxygen')
-
-    docs.post()
-
-    outname = name.lower()
-    if versioned:
-        outname += '-%d' % int(version[0:version.find('.')])
-    bld.install_files(
-        os.path.join('${DOCDIR}', outname, outdir, 'html'),
-        bld.path.get_bld().ant_glob('doc/html/*'))
-    for i in range(1, 8):
-        bld.install_files('${MANDIR}/man%d' % i,
-                          bld.path.get_bld().ant_glob('doc/man/man%d/*' % i,
-                                                      excl='**/_*'))
-
-
-def build_version_files(header_path, source_path, domain, major, minor, micro):
-    """Generate version code header"""
-    header_path = os.path.abspath(header_path)
-    source_path = os.path.abspath(source_path)
-    text  = "int " + domain + "_major_version = " + str(major) + ";\n"
-    text += "int " + domain + "_minor_version = " + str(minor) + ";\n"
-    text += "int " + domain + "_micro_version = " + str(micro) + ";\n"
-    try:
-        o = open(source_path, 'w')
-        o.write(text)
-        o.close()
-    except IOError:
-        Logs.error('Failed to open %s for writing\n' % source_path)
-        sys.exit(-1)
-
-    text  = "#ifndef __" + domain + "_version_h__\n"
-    text += "#define __" + domain + "_version_h__\n"
-    text += "extern const char* " + domain + "_revision;\n"
-    text += "extern int " + domain + "_major_version;\n"
-    text += "extern int " + domain + "_minor_version;\n"
-    text += "extern int " + domain + "_micro_version;\n"
-    text += "#endif /* __" + domain + "_version_h__ */\n"
-    try:
-        o = open(header_path, 'w')
-        o.write(text)
-        o.close()
-    except IOError:
-        Logs.warn('Failed to open %s for writing\n' % header_path)
-        sys.exit(-1)
-
-    return None
-
-def build_i18n_pot(bld, srcdir, dir, name, sources, copyright_holder=None):
-    Logs.info('Generating pot file from %s' % name)
-    pot_file = '%s.pot' % name
-
-    cmd = ['xgettext',
-           '--keyword=_',
-           '--keyword=N_',
-           '--keyword=S_',
-           '--from-code=UTF-8',
-           '-o', pot_file]
-
-    if copyright_holder:
-        cmd += ['--copyright-holder="%s"' % copyright_holder]
-
-    cmd += sources
-    Logs.info('Updating ' + pot_file)
-    subprocess.call(cmd, cwd=os.path.join(srcdir, dir))
-
-def build_i18n_po(bld, srcdir, dir, name, sources, copyright_holder=None):
-    pwd = os.getcwd()
-    os.chdir(os.path.join(srcdir, dir))
-    pot_file = '%s.pot' % name
-    po_files = glob.glob('po/*.po')
-    for po_file in po_files:
-        cmd = ['msgmerge',
-               '--update',
-               po_file,
-               pot_file]
-        Logs.info('Updating ' + po_file)
-        subprocess.call(cmd)
-    os.chdir(pwd)
-
-def build_i18n_mo(bld, srcdir, dir, name, sources, copyright_holder=None):
-    pwd = os.getcwd()
-    os.chdir(os.path.join(srcdir, dir))
-    po_files = glob.glob('po/*.po')
-    for po_file in po_files:
-        mo_file = po_file.replace('.po', '.mo')
-        cmd = ['msgfmt',
-               '-c',
-               '-f',
-               '-o',
-               mo_file,
-               po_file]
-        Logs.info('Generating ' + po_file)
-        subprocess.call(cmd)
-    os.chdir(pwd)
-
-def build_i18n(bld, srcdir, dir, name, sources, copyright_holder=None):
-    build_i18n_pot(bld, srcdir, dir, name, sources, copyright_holder)
-    build_i18n_po(bld, srcdir, dir, name, sources, copyright_holder)
-    build_i18n_mo(bld, srcdir, dir, name, sources, copyright_holder)
-
-class ExecutionEnvironment:
-    """Context that sets system environment variables for program execution"""
-    def __init__(self, changes):
-        self.original_environ = os.environ.copy()
-
-        self.diff = {}
-        for path_name, paths in changes.items():
-            value = os.pathsep.join(paths)
-            if path_name in os.environ:
-                value += os.pathsep + os.environ[path_name]
-
-            self.diff[path_name] = value
-
-        os.environ.update(self.diff)
-
-    def __str__(self):
-        return '\n'.join({'%s="%s"' % (k, v) for k, v in self.diff.items()})
-
-    def __enter__(self):
-        return self
-
-    def __exit__(self, type, value, traceback):
-        os.environ = self.original_environ
-
-class RunContext(Build.BuildContext):
-    "runs an executable from the build directory"
-    cmd = 'run'
-
-    def execute(self):
-        self.restore()
-        if not self.all_envs:
-            self.load_envs()
-
-        with ExecutionEnvironment(self.env.AUTOWAF_RUN_ENV) as env:
-            if Options.options.verbose:
-                Logs.pprint('GREEN', str(env) + '\n')
-
-            if Options.options.cmd:
-                Logs.pprint('GREEN', 'Running %s' % Options.options.cmd)
-                subprocess.call(Options.options.cmd, shell=True)
-            else:
-                Logs.error("error: Missing --cmd option for run command")
-
-def show_diff(from_lines, to_lines, from_filename, to_filename):
-    import difflib
-    import sys
-
-    same = True
-    for line in difflib.unified_diff(
-            from_lines, to_lines,
-            fromfile=os.path.abspath(from_filename),
-            tofile=os.path.abspath(to_filename)):
-        sys.stderr.write(line)
-        same = False
-
-    return same
-
-def test_file_equals(patha, pathb):
-    import filecmp
-    import io
-
-    for path in (patha, pathb):
-        if not os.access(path, os.F_OK):
-            Logs.pprint('RED', 'error: missing file %s' % path)
-            return False
-
-    if filecmp.cmp(patha, pathb, shallow=False):
-        return True
-
-    with io.open(patha, 'rU', encoding='utf-8') as fa:
-        with io.open(pathb, 'rU', encoding='utf-8') as fb:
-            return show_diff(fa.readlines(), fb.readlines(), patha, pathb)
-
-def bench_time():
-    if hasattr(time, 'perf_counter'): # Added in Python 3.3
-        return time.perf_counter()
-    else:
-        return time.time()
-
-class TestOutput:
-    """Test output that is truthy if result is as expected"""
-    def __init__(self, expected, result=None):
-        self.stdout = self.stderr = None
-        self.expected = expected
-        self.result = result
-
-    def __bool__(self):
-        return self.expected is None or self.result == self.expected
-
-    __nonzero__ = __bool__
-
-def is_string(s):
-    if sys.version_info[0] < 3:
-        return isinstance(s, basestring)
-    return isinstance(s, str)
-
-class TestScope:
-    """Scope for running tests that maintains pass/fail statistics"""
-    def __init__(self, tst, name, defaults):
-        self.tst = tst
-        self.name = name
-        self.defaults = defaults
-        self.n_failed = 0
-        self.n_total = 0
-
-    def run(self, test, **kwargs):
-        if type(test) == list and 'name' not in kwargs:
-            import pipes
-            kwargs['name'] = ' '.join(map(pipes.quote, test))
-
-        if Options.options.test_filter and 'name' in kwargs:
-            import re
-            found = False
-            for scope in self.tst.stack:
-                if re.search(Options.options.test_filter, scope.name):
-                    found = True
-                    break
-
-            if (not found and
-                not re.search(Options.options.test_filter, self.name) and
-                not re.search(Options.options.test_filter, kwargs['name'])):
-                return True
-
-        if callable(test):
-            output = self._run_callable(test, **kwargs)
-        elif type(test) == list:
-
-            output = self._run_command(test, **kwargs)
-        else:
-            raise Exception("Unknown test type")
-
-        if not output:
-            self.tst.log_bad('FAILED', kwargs['name'])
-
-        return self.tst.test_result(output)
-
-    def _run_callable(self, test, **kwargs):
-        expected = kwargs['expected'] if 'expected' in kwargs else True
-        return TestOutput(expected, test())
-
-    def _run_command(self, test, **kwargs):
-        if 'stderr' in kwargs and kwargs['stderr'] == NONEMPTY:
-            # Run with a temp file for stderr and check that it is non-empty
-            import tempfile
-            with tempfile.TemporaryFile() as stderr:
-                kwargs['stderr'] = stderr
-                output = self.run(test, **kwargs)
-                stderr.seek(0, 2) # Seek to end
-                return (output if not output else
-                        self.run(
-                            lambda: stderr.tell() > 0,
-                            name=kwargs['name'] + ' error message'))
-
-        try:
-            # Run with stdout and stderr set to the appropriate streams
-            out_stream = self._stream('stdout', kwargs)
-            err_stream = self._stream('stderr', kwargs)
-            return self._exec(test, **kwargs)
-        finally:
-            out_stream = out_stream.close() if out_stream else None
-            err_stream = err_stream.close() if err_stream else None
-
-    def _stream(self, stream_name, kwargs):
-        s = kwargs[stream_name] if stream_name in kwargs else None
-        if is_string(s):
-            kwargs[stream_name] = open(s, 'wb')
-            return kwargs[stream_name]
-        return None
-
-    def _exec(self,
-              test,
-              expected=0,
-              name='',
-              stdin=None,
-              stdout=None,
-              stderr=None,
-              verbosity=1):
-        def stream(s):
-            return open(s, 'wb') if type(s) == str else s
-
-        if verbosity > 1:
-            self.tst.log_good('RUN     ', name)
-
-        if Options.options.test_wrapper:
-            test = [Options.options.test_wrapper] + test
-
-        output = TestOutput(expected)
-        with open(os.devnull, 'wb') as null:
-            out = null if verbosity < 3 and not stdout else stdout
-            err = null if verbosity < 2 and not stderr else stderr
-            proc = subprocess.Popen(test, stdin=stdin, stdout=out, stderr=err)
-            output.stdout, output.stderr = proc.communicate()
-            output.result = proc.returncode
-
-        if output and verbosity > 0:
-            self.tst.log_good('      OK', name)
-
-        return output
-
-class TestContext(Build.BuildContext):
-    "runs test suite"
-    fun = cmd = 'test'
-
-    def __init__(self, **kwargs):
-        super(TestContext, self).__init__(**kwargs)
-        self.start_time = bench_time()
-        self.max_depth = 1
-
-        defaults = {'verbosity': Options.options.verbose}
-        self.stack = [TestScope(self, Context.g_module.APPNAME, defaults)]
-
-    def defaults(self):
-        return self.stack[-1].defaults
-
-    def finalize(self):
-        if self.stack[-1].n_failed > 0:
-            sys.exit(1)
-
-        super(TestContext, self).finalize()
-
-    def __call__(self, test, **kwargs):
-        return self.stack[-1].run(test, **self.args(**kwargs))
-
-    def file_equals(self, from_path, to_path, **kwargs):
-        kwargs.update({'expected': True,
-                       'name': '%s == %s' % (from_path, to_path)})
-        return self(lambda: test_file_equals(from_path, to_path), **kwargs)
-
-    def log_good(self, title, fmt, *args):
-        Logs.pprint('GREEN', '[%s] %s' % (title.center(10), fmt % args))
-
-    def log_bad(self, title, fmt, *args):
-        Logs.pprint('RED', '[%s] %s' % (title.center(10), fmt % args))
-
-    def pre_recurse(self, node):
-        wscript_module = Context.load_module(node.abspath())
-        group_name = wscript_module.APPNAME
-        self.stack.append(TestScope(self, group_name, self.defaults()))
-        self.max_depth = max(self.max_depth, len(self.stack) - 1)
-
-        bld_dir = node.get_bld().parent
-        if bld_dir != self.path.get_bld():
-            Logs.info('')
-
-        self.original_dir = os.getcwd()
-        Logs.info("Waf: Entering directory `%s'\n", bld_dir)
-        os.chdir(str(bld_dir))
-
-        if not self.env.NO_COVERAGE and str(node.parent) == Context.top_dir:
-            self.clear_coverage()
-
-        self.log_good('=' * 10, 'Running %s tests', group_name)
-        super(TestContext, self).pre_recurse(node)
-
-    def test_result(self, success):
-        self.stack[-1].n_total += 1
-        self.stack[-1].n_failed += 1 if not success else 0
-        return success
-
-    def pop(self):
-        scope = self.stack.pop()
-        self.stack[-1].n_total += scope.n_total
-        self.stack[-1].n_failed += scope.n_failed
-        return scope
-
-    def post_recurse(self, node):
-        super(TestContext, self).post_recurse(node)
-
-        scope = self.pop()
-        duration = (bench_time() - self.start_time) * 1000.0
-        is_top = str(node.parent) == str(Context.top_dir)
-
-        if is_top and self.max_depth > 1:
-            Logs.info('')
-
-        self.log_good('=' * 10, '%d tests from %s ran (%d ms total)',
-                      scope.n_total, scope.name, duration)
-
-        if not self.env.NO_COVERAGE:
-            if is_top:
-                self.gen_coverage()
-
-            if os.path.exists('coverage/index.html'):
-                self.log_good('REPORT', '<file://%s>',
-                              os.path.abspath('coverage/index.html'))
-
-        successes = scope.n_total - scope.n_failed
-        Logs.pprint('GREEN', '[  PASSED  ] %d tests' % successes)
-        if scope.n_failed > 0:
-            Logs.pprint('RED', '[  FAILED  ] %d tests' % scope.n_failed)
-        if is_top:
-            Logs.info("\nWaf: Leaving directory `%s'" % os.getcwd())
-
-        os.chdir(self.original_dir)
-
-    def execute(self):
-        self.restore()
-        if not self.all_envs:
-            self.load_envs()
-
-        if not self.env.BUILD_TESTS:
-            self.fatal('Configuration does not include tests')
-
-        with ExecutionEnvironment(self.env.AUTOWAF_RUN_ENV) as env:
-            if self.defaults()['verbosity'] > 0:
-                Logs.pprint('GREEN', str(env) + '\n')
-            self.recurse([self.run_dir])
-
-    def src_path(self, path):
-        return os.path.relpath(os.path.join(str(self.path), path))
-
-    def args(self, **kwargs):
-        all_kwargs = self.defaults().copy()
-        all_kwargs.update(kwargs)
-        return all_kwargs
-
-    def group(self, name, **kwargs):
-        return TestGroup(
-            self, self.stack[-1].name, name, **self.args(**kwargs))
-
-    def set_test_defaults(self, **kwargs):
-        """Set default arguments to be passed to all tests"""
-        self.stack[-1].defaults.update(kwargs)
-
-    def clear_coverage(self):
-        """Zero old coverage data"""
-        try:
-            with open('cov-clear.log', 'w') as log:
-                subprocess.call(['lcov', '-z', '-d', str(self.path)],
-                                stdout=log, stderr=log)
-
-        except Exception:
-            Logs.warn('Failed to run lcov to clear old coverage data')
-
-    def gen_coverage(self):
-        """Generate coverage data and report"""
-        try:
-            with open('cov.lcov', 'w') as out:
-                with open('cov.log', 'w') as err:
-                    subprocess.call(['lcov', '-c', '--no-external',
-                                     '--rc', 'lcov_branch_coverage=1',
-                                     '-b', '.',
-                                     '-d', str(self.path)],
-                                    stdout=out, stderr=err)
-
-            if not os.path.isdir('coverage'):
-                os.makedirs('coverage')
-
-            with open('genhtml.log', 'w') as log:
-                subprocess.call(['genhtml',
-                                 '-o', 'coverage',
-                                 '--rc', 'genhtml_branch_coverage=1',
-                                 'cov.lcov'],
-                                stdout=log, stderr=log)
-
-            summary = subprocess.check_output(
-                ['lcov', '--summary',
-                 '--rc', 'lcov_branch_coverage=1',
-                 'cov.lcov'],
-                stderr=subprocess.STDOUT).decode('ascii')
-
-            import re
-            lines = re.search('lines\.*: (.*)%.*', summary).group(1)
-            functions = re.search('functions\.*: (.*)%.*', summary).group(1)
-            branches = re.search('branches\.*: (.*)%.*', summary).group(1)
-            self.log_good('COVERAGE', '%s%% lines, %s%% functions, %s%% branches',
-                          lines, functions, branches)
-
-        except Exception:
-            Logs.warn('Failed to run lcov to generate coverage report')
-
-class TestGroup:
-    def __init__(self, tst, suitename, name, **kwargs):
-        self.tst = tst
-        self.suitename = suitename
-        self.name = name
-        self.kwargs = kwargs
-        self.start_time = bench_time()
-        tst.stack.append(TestScope(tst, name, tst.defaults()))
-
-    def label(self):
-        return self.suitename + '.%s' % self.name if self.name else ''
-
-    def args(self, **kwargs):
-        all_kwargs = self.tst.args(**self.kwargs)
-        all_kwargs.update(kwargs)
-        return all_kwargs
-
-    def __enter__(self):
-        if 'verbosity' in self.kwargs and self.kwargs['verbosity'] > 0:
-            self.tst.log_good('-' * 10, self.label())
-        return self
-
-    def __call__(self, test, **kwargs):
-        return self.tst(test, **self.args(**kwargs))
-
-    def file_equals(self, from_path, to_path, **kwargs):
-        return self.tst.file_equals(from_path, to_path, **kwargs)
-
-    def __exit__(self, type, value, traceback):
-        duration = (bench_time() - self.start_time) * 1000.0
-        scope = self.tst.pop()
-        n_passed = scope.n_total - scope.n_failed
-        if scope.n_failed == 0:
-            self.tst.log_good('-' * 10, '%d tests from %s (%d ms total)',
-                              scope.n_total, self.label(), duration)
-        else:
-            self.tst.log_bad('-' * 10, '%d/%d tests from %s (%d ms total)',
-                             n_passed, scope.n_total, self.label(), duration)
-
-def run_ldconfig(ctx):
-    should_run = (ctx.cmd == 'install' and
-                  not ctx.env['RAN_LDCONFIG'] and
-                  ctx.env['LIBDIR'] and
-                  'DESTDIR' not in os.environ and
-                  not Options.options.destdir)
-
-    if should_run:
-        try:
-            Logs.info("Waf: Running `/sbin/ldconfig %s'" % ctx.env['LIBDIR'])
-            subprocess.call(['/sbin/ldconfig', ctx.env['LIBDIR']])
-            ctx.env['RAN_LDCONFIG'] = True
-        except Exception:
-            pass
-
-def get_rdf_news(name,
-                 in_files,
-                 top_entries=None,
-                 extra_entries=None,
-                 dev_dist=None):
-    import rdflib
-    from time import strptime
-
-    doap = rdflib.Namespace('http://usefulinc.com/ns/doap#')
-    dcs  = rdflib.Namespace('http://ontologi.es/doap-changeset#')
-    rdfs = rdflib.Namespace('http://www.w3.org/2000/01/rdf-schema#')
-    foaf = rdflib.Namespace('http://xmlns.com/foaf/0.1/')
-    rdf  = rdflib.Namespace('http://www.w3.org/1999/02/22-rdf-syntax-ns#')
-    m    = rdflib.ConjunctiveGraph()
-
-    try:
-        for i in in_files:
-            m.parse(i, format='n3')
-    except Exception:
-        Logs.warn('Error parsing data, unable to generate NEWS')
-        return
-
-    proj = m.value(None, rdf.type, doap.Project)
-    for f in m.triples([proj, rdfs.seeAlso, None]):
-        if f[2].endswith('.ttl'):
-            m.parse(f[2], format='n3')
-
-    entries = {}
-    for r in m.triples([proj, doap.release, None]):
-        release   = r[2]
-        revision  = m.value(release, doap.revision, None)
-        date      = m.value(release, doap.created, None)
-        blamee    = m.value(release, dcs.blame, None)
-        changeset = m.value(release, dcs.changeset, None)
-        dist      = m.value(release, doap['file-release'], None)
-
-        if not dist:
-            Logs.warn('No file release for %s %s' % (proj, revision))
-            dist = dev_dist
-
-        if revision and date and blamee and changeset:
-            entry             = {}
-            entry['name']     = str(name)
-            entry['revision'] = str(revision)
-            entry['date']     = strptime(str(date), '%Y-%m-%d')
-            entry['status']   = 'stable' if dist != dev_dist else 'unstable'
-            entry['dist']     = str(dist)
-            entry['items']    = []
-
-            for i in m.triples([changeset, dcs.item, None]):
-                item = str(m.value(i[2], rdfs.label, None))
-                entry['items'] += [item]
-                if dist and top_entries is not None:
-                    if not str(dist) in top_entries:
-                        top_entries[str(dist)] = {'items': []}
-                    top_entries[str(dist)]['items'] += [
-                        '%s: %s' % (name, item)]
-
-            if extra_entries and dist:
-                for i in extra_entries[str(dist)]:
-                    entry['items'] += extra_entries[str(dist)]['items']
-
-            entry['blamee_name'] = str(m.value(blamee, foaf.name, None))
-            entry['blamee_mbox'] = str(m.value(blamee, foaf.mbox, None))
-
-            entries[(str(date), str(revision))] = entry
-        else:
-            Logs.warn('Ignored incomplete %s release description' % name)
-
-    return entries
-
-def write_news(entries, out_file):
-    import textwrap
-    from time import strftime
-
-    if len(entries) == 0:
-        return
-
-    news = open(out_file, 'w')
-    for e in sorted(entries.keys(), reverse=True):
-        entry = entries[e]
-        news.write('%s (%s) %s;\n' % (entry['name'], entry['revision'], entry['status']))
-        for item in entry['items']:
-            wrapped = textwrap.wrap(item, width=79)
-            news.write('\n  * ' + '\n    '.join(wrapped))
-
-        news.write('\n\n --')
-        news.write(' %s <%s>' % (entry['blamee_name'],
-                                 entry['blamee_mbox'].replace('mailto:', '')))
-
-        news.write('  %s\n\n' % (
-            strftime('%a, %d %b %Y %H:%M:%S +0000', entry['date'])))
-
-    news.close()
-
-def write_posts(entries, meta, out_dir, status='stable'):
-    "write news posts in Pelican Markdown format"
-    from time import strftime
-    try:
-        os.mkdir(out_dir)
-    except Exception:
-        pass
-
-    for i in entries:
-        entry    = entries[i]
-        revision = i[1]
-        if entry['status'] != status:
-            continue
-
-        date_str     = strftime('%Y-%m-%d', entry['date'])
-        datetime_str = strftime('%Y-%m-%d %H:%M', entry['date'])
-
-        path  = os.path.join(out_dir, '%s-%s-%s.md' % (
-            date_str, entry['name'], revision.replace('.', '-')))
-        post  = open(path, 'w')
-        title = entry['title'] if 'title' in entry else entry['name']
-        post.write('Title: %s %s\n' % (title, revision))
-        post.write('Date: %s\n' % datetime_str)
-        post.write('Slug: %s-%s\n' % (entry['name'], revision.replace('.', '-')))
-        for k in meta:
-            post.write('%s: %s\n' % (k, meta[k]))
-        post.write('\n')
-
-        url = entry['dist']
-        if entry['status'] == status:
-            post.write('[%s %s](%s) has been released.' % (
-                (entry['name'], revision, url)))
-
-        if 'description' in entry:
-            post.write('  ' + entry['description'])
-
-        post.write('\n')
-        if (len(entry['items']) > 0 and
-            not (len(entry['items']) == 1 and
-                 entry['items'][0] == 'Initial release')):
-            post.write('\nChanges:\n\n')
-            for i in entry['items']:
-                post.write(' * %s\n' % i)
-
-        post.close()
-
-def get_blurb(in_file):
-    "Get the first paragram of a Markdown formatted file, skipping the title"
-    f = open(in_file, 'r')
-    f.readline()  # Title
-    f.readline()  # Title underline
-    f.readline()  # Blank
-    out = ''
-    line = f.readline()
-    while len(line) > 0 and line != '\n':
-        out += line.replace('\n', ' ')
-        line = f.readline()
-    return out.strip()
-
-def get_news(in_file, entry_props={}):
-    """Get NEWS entries in the format expected by write_posts().
-
-    Properties that should be set on every entry can be passed in
-    `entry_props`.  If `entry_props` has a 'dist_pattern' value, it is used to
-    set the 'dist' entry of entries by substituting the version number.
-    """
-
-    import re
-    import rfc822
-
-    f       = open(in_file, 'r')
-    entries = {}
-    while True:
-        # Read header line
-        head    = f.readline()
-        matches = re.compile(r'([^ ]*) \((.*)\) ([a-zA-z]*);').match(head)
-        if matches is None:
-            break
-
-        entry             = {}
-        entry['name']     = matches.group(1)
-        entry['revision'] = matches.group(2)
-        entry['status']   = matches.group(3)
-        entry['items']    = []
-        if 'dist_pattern' in entry_props:
-            entry['dist'] = entry_props['dist_pattern'] % entry['revision']
-
-        # Read blank line after header
-        if f.readline() != '\n':
-            raise SyntaxError('expected blank line after NEWS header')
-
-        def add_item(item):
-            if len(item) > 0:
-                entry['items'] += [item.replace('\n', ' ').strip()]
-
-        # Read entries for this revision
-        item = ''
-        line = ''
-        while line != '\n':
-            line = f.readline()
-            if line.startswith('  * '):
-                add_item(item)
-                item = line[3:].lstrip()
-            else:
-                item += line.lstrip()
-        add_item(item)
-
-        # Read footer line
-        foot    = f.readline()
-        matches = re.compile(' -- (.*) <(.*)>  (.*)').match(foot)
-        entry['date']        = rfc822.parsedate(matches.group(3))
-        entry['blamee_name'] = matches.group(1)
-        entry['blamee_mbox'] = matches.group(2)
-        entry.update(entry_props)
-        entries[(entry['date'], entry['revision'])] = entry
-
-        # Skip trailing blank line before next entry
-        f.readline()
-
-    f.close()
-
-    return entries
-
-def news_to_posts(news_file, entry_props, post_meta, default_post_dir):
-    post_dir = os.getenv('POST_DIR')
-    if not post_dir:
-        post_dir = default_post_dir
-        sys.stderr.write('POST_DIR not set in environment, writing to %s\n' % post_dir)
-    else:
-        sys.stderr.write('writing posts to %s\n' % post_dir)
-
-    entries = get_news(news_file, entry_props)
-    write_posts(entries, post_meta, post_dir)
-
-def run_script(cmds):
-    for cmd in cmds:
-        subprocess.check_call(cmd, shell=True)
-
-def release(name, version, dist_name=None):
-    if dist_name is None:
-        dist_name = name.lower()
-
-    dist = '%s-%s.tar.bz2' % (dist_name or name.lower(), version)
-    try:
-        os.remove(dist)
-        os.remove(dist + '.sig')
-    except Exception:
-        pass
-
-    status = subprocess.check_output('git status --porcelain', shell=True)
-    if status:
-        Logs.error('error: git working copy is dirty\n' + status)
-        raise Exception('git working copy is dirty')
-
-    head = subprocess.check_output('git show -s --oneline', shell=True)
-    head_summary = head[8:].strip().lower()
-    expected_summary = '%s %s' % (name.lower(), version)
-    if head_summary != expected_summary:
-        raise Exception('latest commit "%s" does not match "%s"' % (
-            head_summary, expected_summary))
-
-    run_script(['./waf configure --docs',
-                './waf',
-                './waf distcheck',
-                './waf posts',
-                'gpg -b %s' % dist,
-                'git tag -s v%s -m "%s %s"' % (version, name, version)])
diff --git a/waflib/extras/batched_cc.py b/waflib/extras/batched_cc.py
deleted file mode 100644
index aad28722..00000000
--- a/waflib/extras/batched_cc.py
+++ /dev/null
@@ -1,173 +0,0 @@
-#!/usr/bin/env python
-# encoding: utf-8
-# Thomas Nagy, 2006-2015 (ita)
-
-"""
-Instead of compiling object files one by one, c/c++ compilers are often able to compile at once:
-cc -c ../file1.c ../file2.c ../file3.c
-
-Files are output on the directory where the compiler is called, and dependencies are more difficult
-to track (do not run the command on all source files if only one file changes)
-As such, we do as if the files were compiled one by one, but no command is actually run:
-replace each cc/cpp Task by a TaskSlave. A new task called TaskMaster collects the
-signatures from each slave and finds out the command-line to run.
-
-Just import this module to start using it:
-def build(bld):
-	bld.load('batched_cc')
-
-Note that this is provided as an example, unity builds are recommended
-for best performance results (fewer tasks and fewer jobs to execute).
-See waflib/extras/unity.py.
-"""
-
-from waflib import Task, Utils
-from waflib.TaskGen import extension, feature, after_method
-from waflib.Tools import c, cxx
-
-MAX_BATCH = 50
-
-c_str = '${CC} ${ARCH_ST:ARCH} ${CFLAGS} ${FRAMEWORKPATH_ST:FRAMEWORKPATH} ${tsk.batch_incpaths()} ${DEFINES_ST:DEFINES} -c ${SRCLST} ${CXX_TGT_F_BATCHED} ${CPPFLAGS}'
-c_fun, _ = Task.compile_fun_noshell(c_str)
-
-cxx_str = '${CXX} ${ARCH_ST:ARCH} ${CXXFLAGS} ${FRAMEWORKPATH_ST:FRAMEWORKPATH} ${tsk.batch_incpaths()} ${DEFINES_ST:DEFINES} -c ${SRCLST} ${CXX_TGT_F_BATCHED} ${CPPFLAGS}'
-cxx_fun, _ = Task.compile_fun_noshell(cxx_str)
-
-count = 70000
-class batch(Task.Task):
-	color = 'PINK'
-
-	after = ['c', 'cxx']
-	before = ['cprogram', 'cshlib', 'cstlib', 'cxxprogram', 'cxxshlib', 'cxxstlib']
-
-	def uid(self):
-		return Utils.h_list([Task.Task.uid(self), self.generator.idx, self.generator.path.abspath(), self.generator.target])
-
-	def __str__(self):
-		return 'Batch compilation for %d slaves' % len(self.slaves)
-
-	def __init__(self, *k, **kw):
-		Task.Task.__init__(self, *k, **kw)
-		self.slaves = []
-		self.inputs = []
-		self.hasrun = 0
-
-		global count
-		count += 1
-		self.idx = count
-
-	def add_slave(self, slave):
-		self.slaves.append(slave)
-		self.set_run_after(slave)
-
-	def runnable_status(self):
-		for t in self.run_after:
-			if not t.hasrun:
-				return Task.ASK_LATER
-
-		for t in self.slaves:
-			#if t.executed:
-			if t.hasrun != Task.SKIPPED:
-				return Task.RUN_ME
-
-		return Task.SKIP_ME
-
-	def get_cwd(self):
-		return self.slaves[0].outputs[0].parent
-
-	def batch_incpaths(self):
-		st = self.env.CPPPATH_ST
-		return [st % node.abspath() for node in self.generator.includes_nodes]
-
-	def run(self):
-		self.outputs = []
-
-		srclst = []
-		slaves = []
-		for t in self.slaves:
-			if t.hasrun != Task.SKIPPED:
-				slaves.append(t)
-				srclst.append(t.inputs[0].abspath())
-
-		self.env.SRCLST = srclst
-
-		if self.slaves[0].__class__.__name__ == 'c':
-			ret = c_fun(self)
-		else:
-			ret = cxx_fun(self)
-
-		if ret:
-			return ret
-
-		for t in slaves:
-			t.old_post_run()
-
-def hook(cls_type):
-	def n_hook(self, node):
-
-		ext = '.obj' if self.env.CC_NAME == 'msvc' else '.o'
-		name = node.name
-		k = name.rfind('.')
-		if k >= 0:
-			basename = name[:k] + ext
-		else:
-			basename = name + ext
-
-		outdir = node.parent.get_bld().make_node('%d' % self.idx)
-		outdir.mkdir()
-		out = outdir.find_or_declare(basename)
-
-		task = self.create_task(cls_type, node, out)
-
-		try:
-			self.compiled_tasks.append(task)
-		except AttributeError:
-			self.compiled_tasks = [task]
-
-		if not getattr(self, 'masters', None):
-			self.masters = {}
-			self.allmasters = []
-
-		def fix_path(tsk):
-			if self.env.CC_NAME == 'msvc':
-				tsk.env.append_unique('CXX_TGT_F_BATCHED', '/Fo%s\\' % outdir.abspath())
-
-		if not node.parent in self.masters:
-			m = self.masters[node.parent] = self.master = self.create_task('batch')
-			fix_path(m)
-			self.allmasters.append(m)
-		else:
-			m = self.masters[node.parent]
-			if len(m.slaves) > MAX_BATCH:
-				m = self.masters[node.parent] = self.master = self.create_task('batch')
-				fix_path(m)
-				self.allmasters.append(m)
-		m.add_slave(task)
-		return task
-	return n_hook
-
-extension('.c')(hook('c'))
-extension('.cpp','.cc','.cxx','.C','.c++')(hook('cxx'))
-
-@feature('cprogram', 'cshlib', 'cstaticlib', 'cxxprogram', 'cxxshlib', 'cxxstlib')
-@after_method('apply_link')
-def link_after_masters(self):
-	if getattr(self, 'allmasters', None):
-		for m in self.allmasters:
-			self.link_task.set_run_after(m)
-
-# Modify the c and cxx task classes - in theory it would be best to
-# create subclasses and to re-map the c/c++ extensions
-for x in ('c', 'cxx'):
-	t = Task.classes[x]
-	def run(self):
-		pass
-
-	def post_run(self):
-		pass
-
-	setattr(t, 'oldrun', getattr(t, 'run', None))
-	setattr(t, 'run', run)
-	setattr(t, 'old_post_run', t.post_run)
-	setattr(t, 'post_run', post_run)
-
diff --git a/waflib/extras/biber.py b/waflib/extras/biber.py
deleted file mode 100644
index fd9db4e0..00000000
--- a/waflib/extras/biber.py
+++ /dev/null
@@ -1,58 +0,0 @@
-#!/usr/bin/env python
-# encoding: utf-8
-# Thomas Nagy, 2011 (ita)
-
-"""
-Latex processing using "biber"
-"""
-
-import os
-from waflib import Task, Logs
-
-from waflib.Tools import tex as texmodule
-
-class tex(texmodule.tex):
-	biber_fun, _ = Task.compile_fun('${BIBER} ${BIBERFLAGS} ${SRCFILE}',shell=False)
-	biber_fun.__doc__ = """
-	Execute the program **biber**
-	"""
-
-	def bibfile(self):
-		return None
-
-	def bibunits(self):
-		self.env.env = {}
-		self.env.env.update(os.environ)
-		self.env.env.update({'BIBINPUTS': self.texinputs(), 'BSTINPUTS': self.texinputs()})
-		self.env.SRCFILE = self.aux_nodes[0].name[:-4]
-
-		if not self.env['PROMPT_LATEX']:
-			self.env.append_unique('BIBERFLAGS', '--quiet')
-
-		path = self.aux_nodes[0].abspath()[:-4] + '.bcf'
-		if os.path.isfile(path):
-			Logs.warn('calling biber')
-			self.check_status('error when calling biber, check %s.blg for errors' % (self.env.SRCFILE), self.biber_fun())
-		else:
-			super(tex, self).bibfile()
-			super(tex, self).bibunits()
-
-class latex(tex):
-	texfun, vars = Task.compile_fun('${LATEX} ${LATEXFLAGS} ${SRCFILE}', shell=False)
-class pdflatex(tex):
-	texfun, vars =  Task.compile_fun('${PDFLATEX} ${PDFLATEXFLAGS} ${SRCFILE}', shell=False)
-class xelatex(tex):
-	texfun, vars = Task.compile_fun('${XELATEX} ${XELATEXFLAGS} ${SRCFILE}', shell=False)
-
-def configure(self):
-	"""
-	Almost the same as in tex.py, but try to detect 'biber'
-	"""
-	v = self.env
-	for p in ' biber tex latex pdflatex xelatex bibtex dvips dvipdf ps2pdf makeindex pdf2ps'.split():
-		try:
-			self.find_program(p, var=p.upper())
-		except self.errors.ConfigurationError:
-			pass
-	v['DVIPSFLAGS'] = '-Ppdf'
-
diff --git a/waflib/extras/bjam.py b/waflib/extras/bjam.py
deleted file mode 100644
index 8e04d3a6..00000000
--- a/waflib/extras/bjam.py
+++ /dev/null
@@ -1,128 +0,0 @@
-#! /usr/bin/env python
-# per rosengren 2011
-
-from os import sep, readlink
-from waflib import Logs
-from waflib.TaskGen import feature, after_method
-from waflib.Task import Task, always_run
-
-def options(opt):
-	grp = opt.add_option_group('Bjam Options')
-	grp.add_option('--bjam_src', default=None, help='You can find it in <boost root>/tools/jam/src')
-	grp.add_option('--bjam_uname', default='linuxx86_64', help='bjam is built in <src>/bin.<uname>/bjam')
-	grp.add_option('--bjam_config', default=None)
-	grp.add_option('--bjam_toolset', default=None)
-
-def configure(cnf):
-	if not cnf.env.BJAM_SRC:
-		cnf.env.BJAM_SRC = cnf.options.bjam_src
-	if not cnf.env.BJAM_UNAME:
-		cnf.env.BJAM_UNAME = cnf.options.bjam_uname
-	try:
-		cnf.find_program('bjam', path_list=[
-			cnf.env.BJAM_SRC + sep + 'bin.' + cnf.env.BJAM_UNAME
-		])
-	except Exception:
-		cnf.env.BJAM = None
-	if not cnf.env.BJAM_CONFIG:
-		cnf.env.BJAM_CONFIG = cnf.options.bjam_config
-	if not cnf.env.BJAM_TOOLSET:
-		cnf.env.BJAM_TOOLSET = cnf.options.bjam_toolset
-
-@feature('bjam')
-@after_method('process_rule')
-def process_bjam(self):
-	if not self.bld.env.BJAM:
-		self.create_task('bjam_creator')
-	self.create_task('bjam_build')
-	self.create_task('bjam_installer')
-	if getattr(self, 'always', False):
-		always_run(bjam_creator)
-		always_run(bjam_build)
-	always_run(bjam_installer)
-
-class bjam_creator(Task):
-	ext_out = 'bjam_exe'
-	vars=['BJAM_SRC', 'BJAM_UNAME']
-	def run(self):
-		env = self.env
-		gen = self.generator
-		bjam = gen.bld.root.find_dir(env.BJAM_SRC)
-		if not bjam:
-			Logs.error('Can not find bjam source')
-			return -1
-		bjam_exe_relpath = 'bin.' + env.BJAM_UNAME + '/bjam'
-		bjam_exe = bjam.find_resource(bjam_exe_relpath)
-		if bjam_exe:
-			env.BJAM = bjam_exe.srcpath()
-			return 0
-		bjam_cmd = ['./build.sh']
-		Logs.debug('runner: ' + bjam.srcpath() + '> ' + str(bjam_cmd))
-		result = self.exec_command(bjam_cmd, cwd=bjam.srcpath())
-		if not result == 0:
-			Logs.error('bjam failed')
-			return -1
-		bjam_exe = bjam.find_resource(bjam_exe_relpath)
-		if bjam_exe:
-			env.BJAM = bjam_exe.srcpath()
-			return 0
-		Logs.error('bjam failed')
-		return -1
-
-class bjam_build(Task):
-	ext_in = 'bjam_exe'
-	ext_out = 'install'
-	vars = ['BJAM_TOOLSET']
-	def run(self):
-		env = self.env
-		gen = self.generator
-		path = gen.path
-		bld = gen.bld
-		if hasattr(gen, 'root'):
-			build_root = path.find_node(gen.root)
-		else:
-			build_root = path
-		jam = bld.srcnode.find_resource(env.BJAM_CONFIG)
-		if jam:
-			Logs.debug('bjam: Using jam configuration from ' + jam.srcpath())
-			jam_rel = jam.relpath_gen(build_root)
-		else:
-			Logs.warn('No build configuration in build_config/user-config.jam. Using default')
-			jam_rel = None
-		bjam_exe = bld.srcnode.find_node(env.BJAM)
-		if not bjam_exe:
-			Logs.error('env.BJAM is not set')
-			return -1
-		bjam_exe_rel = bjam_exe.relpath_gen(build_root)
-		cmd = ([bjam_exe_rel] +
-			(['--user-config=' + jam_rel] if jam_rel else []) +
-			['--stagedir=' + path.get_bld().path_from(build_root)] +
-			['--debug-configuration'] +
-			['--with-' + lib for lib in self.generator.target] +
-			(['toolset=' + env.BJAM_TOOLSET] if env.BJAM_TOOLSET else []) +
-			['link=' + 'shared'] +
-			['variant=' + 'release']
-		)
-		Logs.debug('runner: ' + build_root.srcpath() + '> ' + str(cmd))
-		ret = self.exec_command(cmd, cwd=build_root.srcpath())
-		if ret != 0:
-			return ret
-		self.set_outputs(path.get_bld().ant_glob('lib/*') + path.get_bld().ant_glob('bin/*'))
-		return 0
-
-class bjam_installer(Task):
-	ext_in = 'install'
-	def run(self):
-		gen = self.generator
-		path = gen.path
-		for idir, pat in (('${LIBDIR}', 'lib/*'), ('${BINDIR}', 'bin/*')):
-			files = []
-			for n in path.get_bld().ant_glob(pat):
-				try:
-					t = readlink(n.srcpath())
-					gen.bld.symlink_as(sep.join([idir, n.name]), t, postpone=False)
-				except OSError:
-					files.append(n)
-			gen.bld.install_files(idir, files, postpone=False)
-		return 0
-
diff --git a/waflib/extras/blender.py b/waflib/extras/blender.py
deleted file mode 100644
index e5efc280..00000000
--- a/waflib/extras/blender.py
+++ /dev/null
@@ -1,108 +0,0 @@
-#!/usr/bin/env python
-# encoding: utf-8
-# Michal Proszek, 2014 (poxip)
-
-"""
-Detect the version of Blender, path
-and install the extension:
-
-	def options(opt):
-		opt.load('blender')
-	def configure(cnf):
-		cnf.load('blender')
-	def build(bld):
-		bld(name='io_mesh_raw',
-			feature='blender',
-			files=['file1.py', 'file2.py']
-		)
-If name variable is empty, files are installed in scripts/addons, otherwise scripts/addons/name
-Use ./waf configure --system to set the installation directory to system path
-"""
-import os
-import re
-from getpass import getuser
-
-from waflib import Utils
-from waflib.TaskGen import feature
-from waflib.Configure import conf
-
-def options(opt):
-	opt.add_option(
-		'-s', '--system',
-		dest='directory_system',
-		default=False,
-		action='store_true',
-		help='determines installation directory (default: user)'
-	)
-
-@conf
-def find_blender(ctx):
-	'''Return version number of blender, if not exist return None'''
-	blender = ctx.find_program('blender')
-	output = ctx.cmd_and_log(blender + ['--version'])
-	m = re.search(r'Blender\s*((\d+(\.|))*)', output)
-	if not m:
-		ctx.fatal('Could not retrieve blender version')
-
-	try:
-		blender_version = m.group(1)
-	except IndexError:
-		ctx.fatal('Could not retrieve blender version')
-
-	ctx.env['BLENDER_VERSION'] = blender_version
-	return blender
-
-@conf
-def configure_paths(ctx):
-	"""Setup blender paths"""
-	# Get the username
-	user = getuser()
-	_platform = Utils.unversioned_sys_platform()
-	config_path = {'user': '', 'system': ''}
-	if _platform.startswith('linux'):
-		config_path['user'] = '/home/%s/.config/blender/' % user
-		config_path['system'] = '/usr/share/blender/'
-	elif _platform == 'darwin':
-		# MAC OS X
-		config_path['user'] = \
-			'/Users/%s/Library/Application Support/Blender/' % user
-		config_path['system'] = '/Library/Application Support/Blender/'
-	elif Utils.is_win32:
-		# Windows
-		appdata_path = ctx.getenv('APPDATA').replace('\\', '/')
-		homedrive = ctx.getenv('HOMEDRIVE').replace('\\', '/')
-
-		config_path['user'] = '%s/Blender Foundation/Blender/' % appdata_path
-		config_path['system'] = \
-			'%sAll Users/AppData/Roaming/Blender Foundation/Blender/' % homedrive
-	else:
-		ctx.fatal(
-			'Unsupported platform. '
-			'Available platforms: Linux, OSX, MS-Windows.'
-		)
-
-	blender_version = ctx.env['BLENDER_VERSION']
-
-	config_path['user'] += blender_version + '/'
-	config_path['system'] += blender_version + '/'
-
-	ctx.env['BLENDER_CONFIG_DIR'] = os.path.abspath(config_path['user'])
-	if ctx.options.directory_system:
-		ctx.env['BLENDER_CONFIG_DIR'] = config_path['system']
-
-	ctx.env['BLENDER_ADDONS_DIR'] = os.path.join(
-		ctx.env['BLENDER_CONFIG_DIR'], 'scripts/addons'
-	)
-	Utils.check_dir(ctx.env['BLENDER_ADDONS_DIR'])
-
-def configure(ctx):
-	ctx.find_blender()
-	ctx.configure_paths()
-
-@feature('blender_list')
-def blender(self):
-	# Two ways to install a blender extension: as a module or just .py files
-	dest_dir = os.path.join(self.env.BLENDER_ADDONS_DIR, self.get_name())
-	Utils.check_dir(dest_dir)
-	self.add_install_files(install_to=dest_dir, install_from=getattr(self, 'files', '.'))
-
diff --git a/waflib/extras/boo.py b/waflib/extras/boo.py
deleted file mode 100644
index 06623d40..00000000
--- a/waflib/extras/boo.py
+++ /dev/null
@@ -1,81 +0,0 @@
-#! /usr/bin/env python
-# encoding: utf-8
-# Yannick LM 2011
-
-"""
-Support for the boo programming language, for example::
-
-	bld(features = "boo",       # necessary feature
-		source   = "src.boo",   # list of boo files
-		gen      = "world.dll", # target
-		type     = "library",   # library/exe ("-target:xyz" flag)
-		name     = "world"      # necessary if the target is referenced by 'use'
-	)
-"""
-
-from waflib import Task
-from waflib.Configure import conf
-from waflib.TaskGen import feature, after_method, before_method, extension
-
-@extension('.boo')
-def boo_hook(self, node):
-	# Nothing here yet ...
-	# TODO filter the non-boo source files in 'apply_booc' and remove this method
-	pass
-
-@feature('boo')
-@before_method('process_source')
-def apply_booc(self):
-	"""Create a booc task """
-	src_nodes = self.to_nodes(self.source)
-	out_node = self.path.find_or_declare(self.gen)
-
-	self.boo_task = self.create_task('booc', src_nodes, [out_node])
-
-	# Set variables used by the 'booc' task
-	self.boo_task.env.OUT = '-o:%s' % out_node.abspath()
-
-	# type is "exe" by default
-	type = getattr(self, "type", "exe")
-	self.boo_task.env.BOO_TARGET_TYPE = "-target:%s" % type
-
-@feature('boo')
-@after_method('apply_boo')
-def use_boo(self):
-	""""
-	boo applications honor the **use** keyword::
-	"""
-	dep_names = self.to_list(getattr(self, 'use', []))
-	for dep_name in dep_names:
-		dep_task_gen = self.bld.get_tgen_by_name(dep_name)
-		if not dep_task_gen:
-			continue
-		dep_task_gen.post()
-		dep_task = getattr(dep_task_gen, 'boo_task', None)
-		if not dep_task:
-			# Try a cs task:
-			dep_task = getattr(dep_task_gen, 'cs_task', None)
-			if not dep_task:
-				# Try a link task:
-				dep_task = getattr(dep_task, 'link_task', None)
-				if not dep_task:
-					# Abort ...
-					continue
-		self.boo_task.set_run_after(dep_task) # order
-		self.boo_task.dep_nodes.extend(dep_task.outputs) # dependency
-		self.boo_task.env.append_value('BOO_FLAGS', '-reference:%s' % dep_task.outputs[0].abspath())
-
-class booc(Task.Task):
-	"""Compiles .boo files """
-	color   = 'YELLOW'
-	run_str = '${BOOC} ${BOO_FLAGS} ${BOO_TARGET_TYPE} ${OUT} ${SRC}'
-
-@conf
-def check_booc(self):
-	self.find_program('booc', 'BOOC')
-	self.env.BOO_FLAGS = ['-nologo']
-
-def configure(self):
-	"""Check that booc is available """
-	self.check_booc()
-
diff --git a/waflib/extras/boost.py b/waflib/extras/boost.py
deleted file mode 100644
index c2aaaa93..00000000
--- a/waflib/extras/boost.py
+++ /dev/null
@@ -1,525 +0,0 @@
-#!/usr/bin/env python
-# encoding: utf-8
-#
-# partially based on boost.py written by Gernot Vormayr
-# written by Ruediger Sonderfeld <ruediger@c-plusplus.de>, 2008
-# modified by Bjoern Michaelsen, 2008
-# modified by Luca Fossati, 2008
-# rewritten for waf 1.5.1, Thomas Nagy, 2008
-# rewritten for waf 1.6.2, Sylvain Rouquette, 2011
-
-'''
-
-This is an extra tool, not bundled with the default waf binary.
-To add the boost tool to the waf file:
-$ ./waf-light --tools=compat15,boost
-	or, if you have waf >= 1.6.2
-$ ./waf update --files=boost
-
-When using this tool, the wscript will look like:
-
-	def options(opt):
-		opt.load('compiler_cxx boost')
-
-	def configure(conf):
-		conf.load('compiler_cxx boost')
-		conf.check_boost(lib='system filesystem')
-
-	def build(bld):
-		bld(source='main.cpp', target='app', use='BOOST')
-
-Options are generated, in order to specify the location of boost includes/libraries.
-The `check_boost` configuration function allows to specify the used boost libraries.
-It can also provide default arguments to the --boost-mt command-line arguments.
-Everything will be packaged together in a BOOST component that you can use.
-
-When using MSVC, a lot of compilation flags need to match your BOOST build configuration:
- - you may have to add /EHsc to your CXXFLAGS or define boost::throw_exception if BOOST_NO_EXCEPTIONS is defined.
-   Errors: C4530
- - boost libraries will try to be smart and use the (pretty but often not useful) auto-linking feature of MSVC
-   So before calling `conf.check_boost` you might want to disabling by adding
-		conf.env.DEFINES_BOOST += ['BOOST_ALL_NO_LIB']
-   Errors:
- - boost might also be compiled with /MT, which links the runtime statically.
-   If you have problems with redefined symbols,
-		self.env['DEFINES_%s' % var] += ['BOOST_ALL_NO_LIB']
-		self.env['CXXFLAGS_%s' % var] += ['/MD', '/EHsc']
-Passing `--boost-linkage_autodetect` might help ensuring having a correct linkage in some basic cases.
-
-'''
-
-import sys
-import re
-from waflib import Utils, Logs, Errors
-from waflib.Configure import conf
-from waflib.TaskGen import feature, after_method
-
-BOOST_LIBS = ['/usr/lib', '/usr/local/lib', '/opt/local/lib', '/sw/lib', '/lib']
-BOOST_INCLUDES = ['/usr/include', '/usr/local/include', '/opt/local/include', '/sw/include']
-BOOST_VERSION_FILE = 'boost/version.hpp'
-BOOST_VERSION_CODE = '''
-#include <iostream>
-#include <boost/version.hpp>
-int main() { std::cout << BOOST_LIB_VERSION << ":" << BOOST_VERSION << std::endl; }
-'''
-
-BOOST_ERROR_CODE = '''
-#include <boost/system/error_code.hpp>
-int main() { boost::system::error_code c; }
-'''
-
-PTHREAD_CODE = '''
-#include <pthread.h>
-static void* f(void*) { return 0; }
-int main() {
-	pthread_t th;
-	pthread_attr_t attr;
-	pthread_attr_init(&attr);
-	pthread_create(&th, &attr, &f, 0);
-	pthread_join(th, 0);
-	pthread_cleanup_push(0, 0);
-	pthread_cleanup_pop(0);
-	pthread_attr_destroy(&attr);
-}
-'''
-
-BOOST_THREAD_CODE = '''
-#include <boost/thread.hpp>
-int main() { boost::thread t; }
-'''
-
-BOOST_LOG_CODE = '''
-#include <boost/log/trivial.hpp>
-#include <boost/log/utility/setup/console.hpp>
-#include <boost/log/utility/setup/common_attributes.hpp>
-int main() {
-	using namespace boost::log;
-	add_common_attributes();
-	add_console_log(std::clog, keywords::format = "%Message%");
-	BOOST_LOG_TRIVIAL(debug) << "log is working" << std::endl;
-}
-'''
-
-# toolsets from {boost_dir}/tools/build/v2/tools/common.jam
-PLATFORM = Utils.unversioned_sys_platform()
-detect_intel = lambda env: (PLATFORM == 'win32') and 'iw' or 'il'
-detect_clang = lambda env: (PLATFORM == 'darwin') and 'clang-darwin' or 'clang'
-detect_mingw = lambda env: (re.search('MinGW', env.CXX[0])) and 'mgw' or 'gcc'
-BOOST_TOOLSETS = {
-	'borland':  'bcb',
-	'clang':	detect_clang,
-	'como':	 'como',
-	'cw':	   'cw',
-	'darwin':   'xgcc',
-	'edg':	  'edg',
-	'g++':	  detect_mingw,
-	'gcc':	  detect_mingw,
-	'icpc':	 detect_intel,
-	'intel':	detect_intel,
-	'kcc':	  'kcc',
-	'kylix':	'bck',
-	'mipspro':  'mp',
-	'mingw':	'mgw',
-	'msvc':	 'vc',
-	'qcc':	  'qcc',
-	'sun':	  'sw',
-	'sunc++':   'sw',
-	'tru64cxx': 'tru',
-	'vacpp':	'xlc'
-}
-
-
-def options(opt):
-	opt = opt.add_option_group('Boost Options')
-	opt.add_option('--boost-includes', type='string',
-				   default='', dest='boost_includes',
-				   help='''path to the directory where the boost includes are,
-				   e.g., /path/to/boost_1_55_0/stage/include''')
-	opt.add_option('--boost-libs', type='string',
-				   default='', dest='boost_libs',
-				   help='''path to the directory where the boost libs are,
-				   e.g., path/to/boost_1_55_0/stage/lib''')
-	opt.add_option('--boost-mt', action='store_true',
-				   default=False, dest='boost_mt',
-				   help='select multi-threaded libraries')
-	opt.add_option('--boost-abi', type='string', default='', dest='boost_abi',
-				   help='''select libraries with tags (gd for debug, static is automatically added),
-				   see doc Boost, Getting Started, chapter 6.1''')
-	opt.add_option('--boost-linkage_autodetect', action="store_true", dest='boost_linkage_autodetect',
-				   help="auto-detect boost linkage options (don't get used to it / might break other stuff)")
-	opt.add_option('--boost-toolset', type='string',
-				   default='', dest='boost_toolset',
-				   help='force a toolset e.g. msvc, vc90, \
-						gcc, mingw, mgw45 (default: auto)')
-	py_version = '%d%d' % (sys.version_info[0], sys.version_info[1])
-	opt.add_option('--boost-python', type='string',
-				   default=py_version, dest='boost_python',
-				   help='select the lib python with this version \
-						(default: %s)' % py_version)
-
-
-@conf
-def __boost_get_version_file(self, d):
-	if not d:
-		return None
-	dnode = self.root.find_dir(d)
-	if dnode:
-		return dnode.find_node(BOOST_VERSION_FILE)
-	return None
-
-@conf
-def boost_get_version(self, d):
-	"""silently retrieve the boost version number"""
-	node = self.__boost_get_version_file(d)
-	if node:
-		try:
-			txt = node.read()
-		except EnvironmentError:
-			Logs.error("Could not read the file %r", node.abspath())
-		else:
-			re_but1 = re.compile('^#define\\s+BOOST_LIB_VERSION\\s+"(.+)"', re.M)
-			m1 = re_but1.search(txt)
-			re_but2 = re.compile('^#define\\s+BOOST_VERSION\\s+(\\d+)', re.M)
-			m2 = re_but2.search(txt)
-			if m1 and m2:
-				return (m1.group(1), m2.group(1))
-	return self.check_cxx(fragment=BOOST_VERSION_CODE, includes=[d], execute=True, define_ret=True).split(":")
-
-@conf
-def boost_get_includes(self, *k, **kw):
-	includes = k and k[0] or kw.get('includes')
-	if includes and self.__boost_get_version_file(includes):
-		return includes
-	for d in self.environ.get('INCLUDE', '').split(';') + BOOST_INCLUDES:
-		if self.__boost_get_version_file(d):
-			return d
-	if includes:
-		self.end_msg('headers not found in %s' % includes)
-		self.fatal('The configuration failed')
-	else:
-		self.end_msg('headers not found, please provide a --boost-includes argument (see help)')
-		self.fatal('The configuration failed')
-
-
-@conf
-def boost_get_toolset(self, cc):
-	toolset = cc
-	if not cc:
-		build_platform = Utils.unversioned_sys_platform()
-		if build_platform in BOOST_TOOLSETS:
-			cc = build_platform
-		else:
-			cc = self.env.CXX_NAME
-	if cc in BOOST_TOOLSETS:
-		toolset = BOOST_TOOLSETS[cc]
-	return isinstance(toolset, str) and toolset or toolset(self.env)
-
-
-@conf
-def __boost_get_libs_path(self, *k, **kw):
-	''' return the lib path and all the files in it '''
-	if 'files' in kw:
-		return self.root.find_dir('.'), Utils.to_list(kw['files'])
-	libs = k and k[0] or kw.get('libs')
-	if libs:
-		path = self.root.find_dir(libs)
-		files = path.ant_glob('*boost_*')
-	if not libs or not files:
-		for d in self.environ.get('LIB', '').split(';') + BOOST_LIBS:
-			if not d:
-				continue
-			path = self.root.find_dir(d)
-			if path:
-				files = path.ant_glob('*boost_*')
-				if files:
-					break
-			path = self.root.find_dir(d + '64')
-			if path:
-				files = path.ant_glob('*boost_*')
-				if files:
-					break
-	if not path:
-		if libs:
-			self.end_msg('libs not found in %s' % libs)
-			self.fatal('The configuration failed')
-		else:
-			self.end_msg('libs not found, please provide a --boost-libs argument (see help)')
-			self.fatal('The configuration failed')
-
-	self.to_log('Found the boost path in %r with the libraries:' % path)
-	for x in files:
-		self.to_log('    %r' % x)
-	return path, files
-
-@conf
-def boost_get_libs(self, *k, **kw):
-	'''
-	return the lib path and the required libs
-	according to the parameters
-	'''
-	path, files = self.__boost_get_libs_path(**kw)
-	files = sorted(files, key=lambda f: (len(f.name), f.name), reverse=True)
-	toolset = self.boost_get_toolset(kw.get('toolset', ''))
-	toolset_pat = '(-%s[0-9]{0,3})' % toolset
-	version = '-%s' % self.env.BOOST_VERSION
-
-	def find_lib(re_lib, files):
-		for file in files:
-			if re_lib.search(file.name):
-				self.to_log('Found boost lib %s' % file)
-				return file
-		return None
-
-	def format_lib_name(name):
-		if name.startswith('lib') and self.env.CC_NAME != 'msvc':
-			name = name[3:]
-		return name[:name.rfind('.')]
-
-	def match_libs(lib_names, is_static):
-		libs = []
-		lib_names = Utils.to_list(lib_names)
-		if not lib_names:
-			return libs
-		t = []
-		if kw.get('mt', False):
-			t.append('-mt')
-		if kw.get('abi'):
-			t.append('%s%s' % (is_static and '-s' or '-', kw['abi']))
-		elif is_static:
-			t.append('-s')
-		tags_pat = t and ''.join(t) or ''
-		ext = is_static and self.env.cxxstlib_PATTERN or self.env.cxxshlib_PATTERN
-		ext = ext.partition('%s')[2] # remove '%s' or 'lib%s' from PATTERN
-
-		for lib in lib_names:
-			if lib == 'python':
-				# for instance, with python='27',
-				# accepts '-py27', '-py2', '27', '-2.7' and '2'
-				# but will reject '-py3', '-py26', '26' and '3'
-				tags = '({0})?((-py{2})|(-py{1}(?=[^0-9]))|({2})|(-{1}.{3})|({1}(?=[^0-9]))|(?=[^0-9])(?!-py))'.format(tags_pat, kw['python'][0], kw['python'], kw['python'][1])
-			else:
-				tags = tags_pat
-			# Trying libraries, from most strict match to least one
-			for pattern in ['boost_%s%s%s%s%s$' % (lib, toolset_pat, tags, version, ext),
-							'boost_%s%s%s%s$' % (lib, tags, version, ext),
-							# Give up trying to find the right version
-							'boost_%s%s%s%s$' % (lib, toolset_pat, tags, ext),
-							'boost_%s%s%s$' % (lib, tags, ext),
-							'boost_%s%s$' % (lib, ext),
-							'boost_%s' % lib]:
-				self.to_log('Trying pattern %s' % pattern)
-				file = find_lib(re.compile(pattern), files)
-				if file:
-					libs.append(format_lib_name(file.name))
-					break
-			else:
-				self.end_msg('lib %s not found in %s' % (lib, path.abspath()))
-				self.fatal('The configuration failed')
-		return libs
-
-	return  path.abspath(), match_libs(kw.get('lib'), False), match_libs(kw.get('stlib'), True)
-
-@conf
-def _check_pthread_flag(self, *k, **kw):
-	'''
-	Computes which flags should be added to CXXFLAGS and LINKFLAGS to compile in multi-threading mode
-
-	Yes, we *need* to put the -pthread thing in CPPFLAGS because with GCC3,
-	boost/thread.hpp will trigger a #error if -pthread isn't used:
-	  boost/config/requires_threads.hpp:47:5: #error "Compiler threading support
-	  is not turned on. Please set the correct command line options for
-	  threading: -pthread (Linux), -pthreads (Solaris) or -mthreads (Mingw32)"
-
-	Based on _BOOST_PTHREAD_FLAG(): https://github.com/tsuna/boost.m4/blob/master/build-aux/boost.m4
-    '''
-
-	var = kw.get('uselib_store', 'BOOST')
-
-	self.start_msg('Checking the flags needed to use pthreads')
-
-	# The ordering *is* (sometimes) important.  Some notes on the
-	# individual items follow:
-	# (none): in case threads are in libc; should be tried before -Kthread and
-	#       other compiler flags to prevent continual compiler warnings
-	# -lpthreads: AIX (must check this before -lpthread)
-	# -Kthread: Sequent (threads in libc, but -Kthread needed for pthread.h)
-	# -kthread: FreeBSD kernel threads (preferred to -pthread since SMP-able)
-	# -llthread: LinuxThreads port on FreeBSD (also preferred to -pthread)
-	# -pthread: GNU Linux/GCC (kernel threads), BSD/GCC (userland threads)
-	# -pthreads: Solaris/GCC
-	# -mthreads: MinGW32/GCC, Lynx/GCC
-	# -mt: Sun Workshop C (may only link SunOS threads [-lthread], but it
-	#      doesn't hurt to check since this sometimes defines pthreads too;
-	#      also defines -D_REENTRANT)
-	#      ... -mt is also the pthreads flag for HP/aCC
-	# -lpthread: GNU Linux, etc.
-	# --thread-safe: KAI C++
-	if Utils.unversioned_sys_platform() == "sunos":
-		# On Solaris (at least, for some versions), libc contains stubbed
-		# (non-functional) versions of the pthreads routines, so link-based
-		# tests will erroneously succeed.  (We need to link with -pthreads/-mt/
-		# -lpthread.)  (The stubs are missing pthread_cleanup_push, or rather
-		# a function called by this macro, so we could check for that, but
-		# who knows whether they'll stub that too in a future libc.)  So,
-		# we'll just look for -pthreads and -lpthread first:
-		boost_pthread_flags = ["-pthreads", "-lpthread", "-mt", "-pthread"]
-	else:
-		boost_pthread_flags = ["", "-lpthreads", "-Kthread", "-kthread", "-llthread", "-pthread",
-							   "-pthreads", "-mthreads", "-lpthread", "--thread-safe", "-mt"]
-
-	for boost_pthread_flag in boost_pthread_flags:
-		try:
-			self.env.stash()
-			self.env.append_value('CXXFLAGS_%s' % var, boost_pthread_flag)
-			self.env.append_value('LINKFLAGS_%s' % var, boost_pthread_flag)
-			self.check_cxx(code=PTHREAD_CODE, msg=None, use=var, execute=False)
-
-			self.end_msg(boost_pthread_flag)
-			return
-		except self.errors.ConfigurationError:
-			self.env.revert()
-	self.end_msg('None')
-
-@conf
-def check_boost(self, *k, **kw):
-	"""
-	Initialize boost libraries to be used.
-
-	Keywords: you can pass the same parameters as with the command line (without "--boost-").
-	Note that the command line has the priority, and should preferably be used.
-	"""
-	if not self.env['CXX']:
-		self.fatal('load a c++ compiler first, conf.load("compiler_cxx")')
-
-	params = {
-		'lib': k and k[0] or kw.get('lib'),
-		'stlib': kw.get('stlib')
-	}
-	for key, value in self.options.__dict__.items():
-		if not key.startswith('boost_'):
-			continue
-		key = key[len('boost_'):]
-		params[key] = value and value or kw.get(key, '')
-
-	var = kw.get('uselib_store', 'BOOST')
-
-	self.find_program('dpkg-architecture', var='DPKG_ARCHITECTURE', mandatory=False)
-	if self.env.DPKG_ARCHITECTURE:
-		deb_host_multiarch = self.cmd_and_log([self.env.DPKG_ARCHITECTURE[0], '-qDEB_HOST_MULTIARCH'])
-		BOOST_LIBS.insert(0, '/usr/lib/%s' % deb_host_multiarch.strip())
-
-	self.start_msg('Checking boost includes')
-	self.env['INCLUDES_%s' % var] = inc = self.boost_get_includes(**params)
-	versions = self.boost_get_version(inc)
-	self.env.BOOST_VERSION = versions[0]
-	self.env.BOOST_VERSION_NUMBER = int(versions[1])
-	self.end_msg("%d.%d.%d" % (int(versions[1]) / 100000,
-							   int(versions[1]) / 100 % 1000,
-							   int(versions[1]) % 100))
-	if Logs.verbose:
-		Logs.pprint('CYAN', '	path : %s' % self.env['INCLUDES_%s' % var])
-
-	if not params['lib'] and not params['stlib']:
-		return
-	if 'static' in kw or 'static' in params:
-		Logs.warn('boost: static parameter is deprecated, use stlib instead.')
-	self.start_msg('Checking boost libs')
-	path, libs, stlibs = self.boost_get_libs(**params)
-	self.env['LIBPATH_%s' % var] = [path]
-	self.env['STLIBPATH_%s' % var] = [path]
-	self.env['LIB_%s' % var] = libs
-	self.env['STLIB_%s' % var] = stlibs
-	self.end_msg('ok')
-	if Logs.verbose:
-		Logs.pprint('CYAN', '	path : %s' % path)
-		Logs.pprint('CYAN', '	shared libs : %s' % libs)
-		Logs.pprint('CYAN', '	static libs : %s' % stlibs)
-
-	def has_shlib(lib):
-		return params['lib'] and lib in params['lib']
-	def has_stlib(lib):
-		return params['stlib'] and lib in params['stlib']
-	def has_lib(lib):
-		return has_shlib(lib) or has_stlib(lib)
-	if has_lib('thread'):
-		# not inside try_link to make check visible in the output
-		self._check_pthread_flag(k, kw)
-
-	def try_link():
-		if has_lib('system'):
-			self.check_cxx(fragment=BOOST_ERROR_CODE, use=var, execute=False)
-		if has_lib('thread'):
-			self.check_cxx(fragment=BOOST_THREAD_CODE, use=var, execute=False)
-		if has_lib('log'):
-			if not has_lib('thread'):
-				self.env['DEFINES_%s' % var] += ['BOOST_LOG_NO_THREADS']
-			if has_shlib('log'):
-				self.env['DEFINES_%s' % var] += ['BOOST_LOG_DYN_LINK']
-			self.check_cxx(fragment=BOOST_LOG_CODE, use=var, execute=False)
-
-	if params.get('linkage_autodetect', False):
-		self.start_msg("Attempting to detect boost linkage flags")
-		toolset = self.boost_get_toolset(kw.get('toolset', ''))
-		if toolset in ('vc',):
-			# disable auto-linking feature, causing error LNK1181
-			# because the code wants to be linked against
-			self.env['DEFINES_%s' % var] += ['BOOST_ALL_NO_LIB']
-
-			# if no dlls are present, we guess the .lib files are not stubs
-			has_dlls = False
-			for x in Utils.listdir(path):
-				if x.endswith(self.env.cxxshlib_PATTERN % ''):
-					has_dlls = True
-					break
-			if not has_dlls:
-				self.env['STLIBPATH_%s' % var] = [path]
-				self.env['STLIB_%s' % var] = libs
-				del self.env['LIB_%s' % var]
-				del self.env['LIBPATH_%s' % var]
-
-			# we attempt to play with some known-to-work CXXFLAGS combinations
-			for cxxflags in (['/MD', '/EHsc'], []):
-				self.env.stash()
-				self.env["CXXFLAGS_%s" % var] += cxxflags
-				try:
-					try_link()
-				except Errors.ConfigurationError as e:
-					self.env.revert()
-					exc = e
-				else:
-					self.end_msg("ok: winning cxxflags combination: %s" % (self.env["CXXFLAGS_%s" % var]))
-					exc = None
-					self.env.commit()
-					break
-
-			if exc is not None:
-				self.end_msg("Could not auto-detect boost linking flags combination, you may report it to boost.py author", ex=exc)
-				self.fatal('The configuration failed')
-		else:
-			self.end_msg("Boost linkage flags auto-detection not implemented (needed ?) for this toolchain")
-			self.fatal('The configuration failed')
-	else:
-		self.start_msg('Checking for boost linkage')
-		try:
-			try_link()
-		except Errors.ConfigurationError as e:
-			self.end_msg("Could not link against boost libraries using supplied options")
-			self.fatal('The configuration failed')
-		self.end_msg('ok')
-
-
-@feature('cxx')
-@after_method('apply_link')
-def install_boost(self):
-	if install_boost.done or not Utils.is_win32 or not self.bld.cmd.startswith('install'):
-		return
-	install_boost.done = True
-	inst_to = getattr(self, 'install_path', '${BINDIR}')
-	for lib in self.env.LIB_BOOST:
-		try:
-			file = self.bld.find_file(self.env.cxxshlib_PATTERN % lib, self.env.LIBPATH_BOOST)
-			self.add_install_files(install_to=inst_to, install_from=self.bld.root.find_node(file))
-		except:
-			continue
-install_boost.done = False
-
diff --git a/waflib/extras/build_file_tracker.py b/waflib/extras/build_file_tracker.py
deleted file mode 100644
index c4f26fd0..00000000
--- a/waflib/extras/build_file_tracker.py
+++ /dev/null
@@ -1,28 +0,0 @@
-#! /usr/bin/env python
-# encoding: utf-8
-# Thomas Nagy, 2015
-
-"""
-Force files to depend on the timestamps of those located in the build directory. You may
-want to use this to force partial rebuilds, see playground/track_output_files/ for a working example.
-
-Note that there is a variety of ways to implement this, one may want use timestamps on source files too for example,
-or one may want to hash the files in the source directory only under certain conditions (md5_tstamp tool)
-or to hash the file in the build directory with its timestamp
-"""
-
-import os
-from waflib import Node, Utils
-
-def get_bld_sig(self):
-	if not self.is_bld() or self.ctx.bldnode is self.ctx.srcnode:
-		return Utils.h_file(self.abspath())
-
-	try:
-		# add the creation time to the signature
-		return self.sig + str(os.stat(self.abspath()).st_mtime)
-	except AttributeError:
-		return None
-
-Node.Node.get_bld_sig = get_bld_sig
-
diff --git a/waflib/extras/build_logs.py b/waflib/extras/build_logs.py
deleted file mode 100644
index cdf8ed09..00000000
--- a/waflib/extras/build_logs.py
+++ /dev/null
@@ -1,110 +0,0 @@
-#!/usr/bin/env python
-# encoding: utf-8
-# Thomas Nagy, 2013 (ita)
-
-"""
-A system for recording all outputs to a log file. Just add the following to your wscript file::
-
-  def init(ctx):
-    ctx.load('build_logs')
-"""
-
-import atexit, sys, time, os, shutil, threading
-from waflib import ansiterm, Logs, Context
-
-# adding the logs under the build/ directory will clash with the clean/ command
-try:
-	up = os.path.dirname(Context.g_module.__file__)
-except AttributeError:
-	up = '.'
-LOGFILE = os.path.join(up, 'logs', time.strftime('%Y_%m_%d_%H_%M.log'))
-
-wlock = threading.Lock()
-class log_to_file(object):
-	def __init__(self, stream, fileobj, filename):
-		self.stream = stream
-		self.encoding = self.stream.encoding
-		self.fileobj = fileobj
-		self.filename = filename
-		self.is_valid = True
-	def replace_colors(self, data):
-		for x in Logs.colors_lst.values():
-			if isinstance(x, str):
-				data = data.replace(x, '')
-		return data
-	def write(self, data):
-		try:
-			wlock.acquire()
-			self.stream.write(data)
-			self.stream.flush()
-			if self.is_valid:
-				self.fileobj.write(self.replace_colors(data))
-		finally:
-			wlock.release()
-	def fileno(self):
-		return self.stream.fileno()
-	def flush(self):
-		self.stream.flush()
-		if self.is_valid:
-			self.fileobj.flush()
-	def isatty(self):
-		return self.stream.isatty()
-
-def init(ctx):
-	global LOGFILE
-	filename = os.path.abspath(LOGFILE)
-	try:
-		os.makedirs(os.path.dirname(os.path.abspath(filename)))
-	except OSError:
-		pass
-
-	if hasattr(os, 'O_NOINHERIT'):
-		fd = os.open(LOGFILE, os.O_CREAT | os.O_TRUNC | os.O_WRONLY | os.O_NOINHERIT)
-		fileobj = os.fdopen(fd, 'w')
-	else:
-		fileobj = open(LOGFILE, 'w')
-	old_stderr = sys.stderr
-
-	# sys.stdout has already been replaced, so __stdout__ will be faster
-	#sys.stdout = log_to_file(sys.stdout, fileobj, filename)
-	#sys.stderr = log_to_file(sys.stderr, fileobj, filename)
-	def wrap(stream):
-		if stream.isatty():
-			return ansiterm.AnsiTerm(stream)
-		return stream
-	sys.stdout = log_to_file(wrap(sys.__stdout__), fileobj, filename)
-	sys.stderr = log_to_file(wrap(sys.__stderr__), fileobj, filename)
-
-	# now mess with the logging module...
-	for x in Logs.log.handlers:
-		try:
-			stream = x.stream
-		except AttributeError:
-			pass
-		else:
-			if id(stream) == id(old_stderr):
-				x.stream = sys.stderr
-
-def exit_cleanup():
-	try:
-		fileobj = sys.stdout.fileobj
-	except AttributeError:
-		pass
-	else:
-		sys.stdout.is_valid = False
-		sys.stderr.is_valid = False
-		fileobj.close()
-		filename = sys.stdout.filename
-
-		Logs.info('Output logged to %r', filename)
-
-		# then copy the log file to "latest.log" if possible
-		up = os.path.dirname(os.path.abspath(filename))
-		try:
-			shutil.copy(filename, os.path.join(up, 'latest.log'))
-		except OSError:
-			# this may fail on windows due to processes spawned
-			pass
-
-atexit.register(exit_cleanup)
-
diff --git a/waflib/extras/buildcopy.py b/waflib/extras/buildcopy.py
deleted file mode 100644
index eaff7e60..00000000
--- a/waflib/extras/buildcopy.py
+++ /dev/null
@@ -1,85 +0,0 @@
-#! /usr/bin/env python
-# encoding: utf-8
-# Calle Rosenquist, 2017 (xbreak)
-"""
-Create task that copies source files to the associated build node.
-This is useful to e.g. construct a complete Python package so it can be unit tested
-without installation.
-
-Source files to be copied can be specified either in `buildcopy_source` attribute, or
-`source` attribute. If both are specified `buildcopy_source` has priority.
-
-Examples::
-
-	def build(bld):
-		bld(name             = 'bar',
-			features         = 'py buildcopy',
-			source           = bld.path.ant_glob('src/bar/*.py'))
-
-		bld(name             = 'py baz',
-			features         = 'buildcopy',
-			buildcopy_source = bld.path.ant_glob('src/bar/*.py') + ['src/bar/resource.txt'])
-
-"""
-import os, shutil
-from waflib import Errors, Task, TaskGen, Utils, Node, Logs
-
-@TaskGen.before_method('process_source')
-@TaskGen.feature('buildcopy')
-def make_buildcopy(self):
-	"""
-	Creates the buildcopy task.
-	"""
-	def to_src_nodes(lst):
-		"""Find file nodes only in src, TaskGen.to_nodes will not work for this since it gives
-		preference to nodes in build.
-		"""
-		if isinstance(lst, Node.Node):
-			if not lst.is_src():
-				raise Errors.WafError('buildcopy: node %s is not in src'%lst)
-			if not os.path.isfile(lst.abspath()):
-				raise Errors.WafError('buildcopy: Cannot copy directory %s (unsupported action)'%lst)
-			return lst
-
-		if isinstance(lst, str):
-			lst = [x for x in Utils.split_path(lst) if x and x != '.']
-
-		node = self.bld.path.get_src().search_node(lst)
-		if node:
-			if not os.path.isfile(node.abspath()):
-				raise Errors.WafError('buildcopy: Cannot copy directory %s (unsupported action)'%node)
-			return node
-
-		node = self.bld.path.get_src().find_node(lst)
-		if node:
-			if not os.path.isfile(node.abspath()):
-				raise Errors.WafError('buildcopy: Cannot copy directory %s (unsupported action)'%node)
-			return node
-		raise Errors.WafError('buildcopy: File not found in src: %s'%os.path.join(*lst))
-
-	nodes = [ to_src_nodes(n) for n in getattr(self, 'buildcopy_source', getattr(self, 'source', [])) ]
-	if not nodes:
-		Logs.warn('buildcopy: No source files provided to buildcopy in %s (set `buildcopy_source` or `source`)',
-			self)
-		return
-	node_pairs = [(n, n.get_bld()) for n in nodes]
-	self.create_task('buildcopy', [n[0] for n in node_pairs], [n[1] for n in node_pairs], node_pairs=node_pairs)
-
-class buildcopy(Task.Task):
-	"""
-	Copy for each pair `n` in `node_pairs`: n[0] -> n[1].
-
-	Attribute `node_pairs` should contain a list of tuples describing source and target:
-
-		node_pairs = [(in, out), ...]
-
-	"""
-	color = 'PINK'
-
-	def keyword(self):
-		return 'Copying'
-
-	def run(self):
-		for f,t in self.node_pairs:
-			t.parent.mkdir()
-			shutil.copy2(f.abspath(), t.abspath())
diff --git a/waflib/extras/c_bgxlc.py b/waflib/extras/c_bgxlc.py
deleted file mode 100644
index 6e3eaf7b..00000000
--- a/waflib/extras/c_bgxlc.py
+++ /dev/null
@@ -1,32 +0,0 @@
-#! /usr/bin/env python
-# encoding: utf-8
-# harald at klimachs.de
-
-"""
-IBM XL Compiler for Blue Gene
-"""
-
-from waflib.Tools import ccroot,ar
-from waflib.Configure import conf
-
-from waflib.Tools import xlc # method xlc_common_flags
-from waflib.Tools.compiler_c import c_compiler
-c_compiler['linux'].append('c_bgxlc')
-
-@conf
-def find_bgxlc(conf):
-	cc = conf.find_program(['bgxlc_r','bgxlc'], var='CC')
-	conf.get_xlc_version(cc)
-	conf.env.CC = cc
-	conf.env.CC_NAME = 'bgxlc'
-
-def configure(conf):
-	conf.find_bgxlc()
-	conf.find_ar()
-	conf.xlc_common_flags()
-	conf.env.LINKFLAGS_cshlib = ['-G','-Wl,-bexpfull']
-	conf.env.LINKFLAGS_cprogram = []
-	conf.cc_load_tools()
-	conf.cc_add_flags()
-	conf.link_add_flags()
-
diff --git a/waflib/extras/c_dumbpreproc.py b/waflib/extras/c_dumbpreproc.py
deleted file mode 100644
index ce9e1a40..00000000
--- a/waflib/extras/c_dumbpreproc.py
+++ /dev/null
@@ -1,72 +0,0 @@
-#!/usr/bin/env python
-# encoding: utf-8
-# Thomas Nagy, 2006-2010 (ita)
-
-"""
-Dumb C/C++ preprocessor for finding dependencies
-
-It will look at all include files it can find after removing the comments, so the following
-will always add the dependency on both "a.h" and "b.h"::
-
-	#include "a.h"
-	#ifdef B
-		#include "b.h"
-	#endif
-	int main() {
-		return 0;
-	}
-
-To use::
-
-	def configure(conf):
-		conf.load('compiler_c')
-		conf.load('c_dumbpreproc')
-"""
-
-import re
-from waflib.Tools import c_preproc
-
-re_inc = re.compile(
-	'^[ \t]*(#|%:)[ \t]*(include)[ \t]*[<"](.*)[>"]\r*$',
-	re.IGNORECASE | re.MULTILINE)
-
-def lines_includes(node):
-	code = node.read()
-	if c_preproc.use_trigraphs:
-		for (a, b) in c_preproc.trig_def:
-			code = code.split(a).join(b)
-	code = c_preproc.re_nl.sub('', code)
-	code = c_preproc.re_cpp.sub(c_preproc.repl, code)
-	return [(m.group(2), m.group(3)) for m in re.finditer(re_inc, code)]
-
-parser = c_preproc.c_parser
-class dumb_parser(parser):
-	def addlines(self, node):
-		if node in self.nodes[:-1]:
-			return
-		self.currentnode_stack.append(node.parent)
-
-		# Avoid reading the same files again
-		try:
-			lines = self.parse_cache[node]
-		except KeyError:
-			lines = self.parse_cache[node] = lines_includes(node)
-
-		self.lines = lines + [(c_preproc.POPFILE, '')] +  self.lines
-
-	def start(self, node, env):
-		try:
-			self.parse_cache = node.ctx.parse_cache
-		except AttributeError:
-			self.parse_cache = node.ctx.parse_cache = {}
-
-		self.addlines(node)
-		while self.lines:
-			(x, y) = self.lines.pop(0)
-			if x == c_preproc.POPFILE:
-				self.currentnode_stack.pop()
-				continue
-			self.tryfind(y)
-
-c_preproc.c_parser = dumb_parser
-
diff --git a/waflib/extras/c_emscripten.py b/waflib/extras/c_emscripten.py
deleted file mode 100644
index e1ac494f..00000000
--- a/waflib/extras/c_emscripten.py
+++ /dev/null
@@ -1,87 +0,0 @@
-#!/usr/bin/env python
-# -*- coding: utf-8 vi:ts=4:noexpandtab
-
-import subprocess, shlex, sys
-
-from waflib.Tools import ccroot, gcc, gxx
-from waflib.Configure import conf
-from waflib.TaskGen import after_method, feature
-
-from waflib.Tools.compiler_c import c_compiler
-from waflib.Tools.compiler_cxx import cxx_compiler
-
-for supported_os in ('linux', 'darwin', 'gnu', 'aix'):
-	c_compiler[supported_os].append('c_emscripten')
-	cxx_compiler[supported_os].append('c_emscripten')
-
-
-@conf
-def get_emscripten_version(conf, cc):
-	"""
-	Emscripten doesn't support processing '-' like clang/gcc
-	"""
-
-	dummy = conf.cachedir.parent.make_node("waf-emscripten.c")
-	dummy.write("")
-	cmd = cc + ['-dM', '-E', '-x', 'c', dummy.abspath()]
-	env = conf.env.env or None
-	try:
-		p = subprocess.Popen(cmd, stdout=subprocess.PIPE, stderr=subprocess.PIPE, env=env)
-		out = p.communicate()[0]
-	except Exception as e:
-		conf.fatal('Could not determine emscripten version %r: %s' % (cmd, e))
-
-	if not isinstance(out, str):
-		out = out.decode(sys.stdout.encoding or 'latin-1')
-
-	k = {}
-	out = out.splitlines()
-	for line in out:
-		lst = shlex.split(line)
-		if len(lst)>2:
-			key = lst[1]
-			val = lst[2]
-			k[key] = val
-
-	if not ('__clang__' in k and 'EMSCRIPTEN' in k):
-		conf.fatal('Could not determine the emscripten compiler version.')
-
-	conf.env.DEST_OS = 'generic'
-	conf.env.DEST_BINFMT = 'elf'
-	conf.env.DEST_CPU = 'asm-js'
-	conf.env.CC_VERSION = (k['__clang_major__'], k['__clang_minor__'], k['__clang_patchlevel__'])
-	return k
-
-@conf
-def find_emscripten(conf):
-	cc = conf.find_program(['emcc'], var='CC')
-	conf.get_emscripten_version(cc)
-	conf.env.CC = cc
-	conf.env.CC_NAME = 'emscripten'
-	cxx = conf.find_program(['em++'], var='CXX')
-	conf.env.CXX = cxx
-	conf.env.CXX_NAME = 'emscripten'
-	conf.find_program(['emar'], var='AR')
-
-def configure(conf):
-	conf.find_emscripten()
-	conf.find_ar()
-	conf.gcc_common_flags()
-	conf.gxx_common_flags()
-	conf.cc_load_tools()
-	conf.cc_add_flags()
-	conf.cxx_load_tools()
-	conf.cxx_add_flags()
-	conf.link_add_flags()
-	conf.env.ARFLAGS = ['rcs']
-	conf.env.cshlib_PATTERN = '%s.js'
-	conf.env.cxxshlib_PATTERN = '%s.js'
-	conf.env.cstlib_PATTERN = '%s.a'
-	conf.env.cxxstlib_PATTERN = '%s.a'
-	conf.env.cprogram_PATTERN = '%s.html'
-	conf.env.cxxprogram_PATTERN = '%s.html'
-	conf.env.CXX_TGT_F           = ['-c', '-o', '']
-	conf.env.CC_TGT_F            = ['-c', '-o', '']
-	conf.env.CXXLNK_TGT_F        = ['-o', '']
-	conf.env.CCLNK_TGT_F         = ['-o', '']
-	conf.env.append_value('LINKFLAGS',['-Wl,--enable-auto-import'])
diff --git a/waflib/extras/c_nec.py b/waflib/extras/c_nec.py
deleted file mode 100644
index 96bfae4f..00000000
--- a/waflib/extras/c_nec.py
+++ /dev/null
@@ -1,74 +0,0 @@
-#! /usr/bin/env python
-# encoding: utf-8
-# harald at klimachs.de
-
-"""
-NEC SX Compiler for SX vector systems
-"""
-
-import re
-from waflib import Utils
-from waflib.Tools import ccroot,ar
-from waflib.Configure import conf
-
-from waflib.Tools import xlc # method xlc_common_flags
-from waflib.Tools.compiler_c import c_compiler
-c_compiler['linux'].append('c_nec')
-
-@conf
-def find_sxc(conf):
-	cc = conf.find_program(['sxcc'], var='CC')
-	conf.get_sxc_version(cc)
-	conf.env.CC = cc
-	conf.env.CC_NAME = 'sxcc'
-
-@conf
-def get_sxc_version(conf, fc):
-	version_re = re.compile(r"C\+\+/SX\s*Version\s*(?P<major>\d*)\.(?P<minor>\d*)", re.I).search
-	cmd = fc + ['-V']
-	p = Utils.subprocess.Popen(cmd, stdin=False, stdout=Utils.subprocess.PIPE, stderr=Utils.subprocess.PIPE, env=None)
-	out, err = p.communicate()
-
-	if out:
-		match = version_re(out)
-	else:
-		match = version_re(err)
-	if not match:
-		conf.fatal('Could not determine the NEC C compiler version.')
-	k = match.groupdict()
-	conf.env['C_VERSION'] = (k['major'], k['minor'])
-
-@conf
-def sxc_common_flags(conf):
-	v=conf.env
-	v['CC_SRC_F']=[]
-	v['CC_TGT_F']=['-c','-o']
-	if not v['LINK_CC']:
-		v['LINK_CC']=v['CC']
-	v['CCLNK_SRC_F']=[]
-	v['CCLNK_TGT_F']=['-o']
-	v['CPPPATH_ST']='-I%s'
-	v['DEFINES_ST']='-D%s'
-	v['LIB_ST']='-l%s'
-	v['LIBPATH_ST']='-L%s'
-	v['STLIB_ST']='-l%s'
-	v['STLIBPATH_ST']='-L%s'
-	v['RPATH_ST']=''
-	v['SONAME_ST']=[]
-	v['SHLIB_MARKER']=[]
-	v['STLIB_MARKER']=[]
-	v['LINKFLAGS_cprogram']=['']
-	v['cprogram_PATTERN']='%s'
-	v['CFLAGS_cshlib']=['-fPIC']
-	v['LINKFLAGS_cshlib']=['']
-	v['cshlib_PATTERN']='lib%s.so'
-	v['LINKFLAGS_cstlib']=[]
-	v['cstlib_PATTERN']='lib%s.a'
-
-def configure(conf):
-	conf.find_sxc()
-	conf.find_program('sxar',VAR='AR')
-	conf.sxc_common_flags()
-	conf.cc_load_tools()
-	conf.cc_add_flags()
-	conf.link_add_flags()
diff --git a/waflib/extras/cabal.py b/waflib/extras/cabal.py
deleted file mode 100644
index e10a0d11..00000000
--- a/waflib/extras/cabal.py
+++ /dev/null
@@ -1,152 +0,0 @@
-#!/usr/bin/env python

-# encoding: utf-8

-# Anton Feldmann, 2012

-# "Base for cabal"

-

-from waflib import Task, Utils

-from waflib.TaskGen import extension

-from waflib.Utils import threading

-from shutil import rmtree

-

-lock = threading.Lock()

-registering = False

-

-def configure(self):

-    self.find_program('cabal', var='CABAL')

-    self.find_program('ghc-pkg', var='GHCPKG')

-    pkgconfd = self.bldnode.abspath() + '/package.conf.d'

-    self.env.PREFIX = self.bldnode.abspath() + '/dist'

-    self.env.PKGCONFD = pkgconfd

-    if self.root.find_node(pkgconfd + '/package.cache'):

-        self.msg('Using existing package database', pkgconfd, color='CYAN')

-    else:

-        pkgdir = self.root.find_dir(pkgconfd)

-        if pkgdir:

-            self.msg('Deleting corrupt package database', pkgdir.abspath(), color ='RED')

-            rmtree(pkgdir.abspath())

-            pkgdir = None

-

-        self.cmd_and_log(self.env.GHCPKG + ['init', pkgconfd])

-        self.msg('Created package database', pkgconfd, color = 'YELLOW' if pkgdir else 'GREEN')

-

-@extension('.cabal')

-def process_cabal(self, node):

-    out_dir_node = self.bld.root.find_dir(self.bld.out_dir)

-    package_node = node.change_ext('.package')

-    package_node = out_dir_node.find_or_declare(package_node.name)

-    build_node   = node.parent.get_bld()

-    build_path   = build_node.abspath()

-    config_node  = build_node.find_or_declare('setup-config')

-    inplace_node = build_node.find_or_declare('package.conf.inplace')

-

-    config_task = self.create_task('cabal_configure', node)

-    config_task.cwd = node.parent.abspath()

-    config_task.depends_on = getattr(self, 'depends_on', '')

-    config_task.build_path = build_path

-    config_task.set_outputs(config_node)

-

-    build_task = self.create_task('cabal_build', config_node)

-    build_task.cwd = node.parent.abspath()

-    build_task.build_path = build_path

-    build_task.set_outputs(inplace_node)

-

-    copy_task = self.create_task('cabal_copy', inplace_node)

-    copy_task.cwd = node.parent.abspath()

-    copy_task.depends_on = getattr(self, 'depends_on', '')

-    copy_task.build_path = build_path

-

-    last_task = copy_task

-    task_list = [config_task, build_task, copy_task]

-

-    if (getattr(self, 'register', False)):

-        register_task = self.create_task('cabal_register', inplace_node)

-        register_task.cwd = node.parent.abspath()

-        register_task.set_run_after(copy_task)

-        register_task.build_path = build_path

-

-        pkgreg_task = self.create_task('ghcpkg_register', inplace_node)

-        pkgreg_task.cwd = node.parent.abspath()

-        pkgreg_task.set_run_after(register_task)

-        pkgreg_task.build_path = build_path

-

-        last_task = pkgreg_task

-        task_list += [register_task, pkgreg_task]

-

-    touch_task = self.create_task('cabal_touch', inplace_node)

-    touch_task.set_run_after(last_task)

-    touch_task.set_outputs(package_node)

-    touch_task.build_path = build_path

-

-    task_list += [touch_task]

-

-    return task_list

-

-def get_all_src_deps(node):

-    hs_deps = node.ant_glob('**/*.hs')

-    hsc_deps = node.ant_glob('**/*.hsc')

-    lhs_deps = node.ant_glob('**/*.lhs')

-    c_deps = node.ant_glob('**/*.c')

-    cpp_deps = node.ant_glob('**/*.cpp')

-    proto_deps = node.ant_glob('**/*.proto')

-    return sum([hs_deps, hsc_deps, lhs_deps, c_deps, cpp_deps, proto_deps], [])

-

-class Cabal(Task.Task):

-    def scan(self):

-        return (get_all_src_deps(self.generator.path), ())

-

-class cabal_configure(Cabal):

-    run_str = '${CABAL} configure -v0 --prefix=${PREFIX} --global --user --package-db=${PKGCONFD} --builddir=${tsk.build_path}'

-    shell = True

-

-    def scan(self):

-        out_node = self.generator.bld.root.find_dir(self.generator.bld.out_dir)

-        deps = [out_node.find_or_declare(dep).change_ext('.package') for dep in Utils.to_list(self.depends_on)]

-        return (deps, ())

-

-class cabal_build(Cabal):

-    run_str = '${CABAL} build -v1 --builddir=${tsk.build_path}/'

-    shell = True

-

-class cabal_copy(Cabal):

-    run_str = '${CABAL} copy -v0 --builddir=${tsk.build_path}'

-    shell = True

-

-class cabal_register(Cabal):

-    run_str = '${CABAL} register -v0 --gen-pkg-config=${tsk.build_path}/pkg.config --builddir=${tsk.build_path}'

-    shell = True

-

-class ghcpkg_register(Cabal):

-    run_str = '${GHCPKG} update -v0 --global --user --package-conf=${PKGCONFD} ${tsk.build_path}/pkg.config'

-    shell = True

-

-    def runnable_status(self):

-        global lock, registering

-

-        val = False 

-        lock.acquire()

-        val = registering

-        lock.release()

-

-        if val:

-            return Task.ASK_LATER

-

-        ret = Task.Task.runnable_status(self)

-        if ret == Task.RUN_ME:

-            lock.acquire()

-            registering = True

-            lock.release()

-

-        return ret

-

-    def post_run(self):

-        global lock, registering

-

-        lock.acquire()

-        registering = False

-        lock.release()

-

-        return Task.Task.post_run(self)

-

-class cabal_touch(Cabal):

-    run_str = 'touch ${TGT}'

-

diff --git a/waflib/extras/cfg_altoptions.py b/waflib/extras/cfg_altoptions.py
deleted file mode 100644
index 47b1189f..00000000
--- a/waflib/extras/cfg_altoptions.py
+++ /dev/null
@@ -1,110 +0,0 @@
-#!/usr/bin/python
-# -*- coding: utf-8 -*-
-# Tool to extend c_config.check_cfg()
-
-__author__ = __maintainer__ = "Jérôme Carretero <cJ-waf@zougloub.eu>"
-__copyright__ = "Jérôme Carretero, 2014"
-
-"""
-
-This tool allows to work around the absence of ``*-config`` programs
-on systems, by keeping the same clean configuration syntax but inferring
-values or permitting their modification via the options interface.
-
-Note that pkg-config can also support setting ``PKG_CONFIG_PATH``,
-so you can put custom files in a folder containing new .pc files.
-This tool could also be implemented by taking advantage of this fact.
-
-Usage::
-
-   def options(opt):
-     opt.load('c_config_alt')
-     opt.add_package_option('package')
-
-   def configure(cfg):
-     conf.load('c_config_alt')
-     conf.check_cfg(...)
-
-Known issues:
-
-- Behavior with different build contexts...
-
-"""
-
-import os
-import functools
-from waflib import Configure, Options, Errors
-
-def name_to_dest(x):
-	return x.lower().replace('-', '_')
-
-
-def options(opt):
-	def x(opt, param):
-		dest = name_to_dest(param)
-		gr = opt.get_option_group("configure options")
-		gr.add_option('--%s-root' % dest,
-		 help="path containing include and lib subfolders for %s" \
-		  % param,
-		)
-
-	opt.add_package_option = functools.partial(x, opt)
-
-
-check_cfg_old = getattr(Configure.ConfigurationContext, 'check_cfg')
-
-@Configure.conf
-def check_cfg(conf, *k, **kw):
-	if k:
-		lst = k[0].split()
-		kw['package'] = lst[0]
-		kw['args'] = ' '.join(lst[1:])
-
-	if not 'package' in kw:
-		return check_cfg_old(conf, **kw)
-
-	package = kw['package']
-
-	package_lo = name_to_dest(package)
-	package_hi = package.upper().replace('-', '_') # TODO FIXME
-	package_hi = kw.get('uselib_store', package_hi)
-
-	def check_folder(path, name):
-		try:
-			assert os.path.isdir(path)
-		except AssertionError:
-			raise Errors.ConfigurationError(
-				"%s_%s (%s) is not a folder!" \
-				% (package_lo, name, path))
-		return path
-
-	root = getattr(Options.options, '%s_root' % package_lo, None)
-
-	if root is None:
-		return check_cfg_old(conf, **kw)
-	else:
-		def add_manual_var(k, v):
-			conf.start_msg('Adding for %s a manual var' % (package))
-			conf.env["%s_%s" % (k, package_hi)] = v
-			conf.end_msg("%s = %s" % (k, v))
-
-
-		check_folder(root, 'root')
-
-		pkg_inc = check_folder(os.path.join(root, "include"), 'inc')
-		add_manual_var('INCLUDES', [pkg_inc])
-		pkg_lib = check_folder(os.path.join(root, "lib"), 'libpath')
-		add_manual_var('LIBPATH', [pkg_lib])
-		add_manual_var('LIB', [package])
-
-		for x in kw.get('manual_deps', []):
-			for k, v in sorted(conf.env.get_merged_dict().items()):
-				if k.endswith('_%s' % x):
-					k = k.replace('_%s' % x, '')
-					conf.start_msg('Adding for %s a manual dep' \
-					 %(package))
-					conf.env["%s_%s" % (k, package_hi)] += v
-					conf.end_msg('%s += %s' % (k, v))
-
-		return True
-
diff --git a/waflib/extras/clang_compilation_database.py b/waflib/extras/clang_compilation_database.py
deleted file mode 100644
index 4d9b5e27..00000000
--- a/waflib/extras/clang_compilation_database.py
+++ /dev/null
@@ -1,85 +0,0 @@
-#!/usr/bin/env python
-# encoding: utf-8
-# Christoph Koke, 2013
-
-"""
-Writes the c and cpp compile commands into build/compile_commands.json
-see http://clang.llvm.org/docs/JSONCompilationDatabase.html
-
-Usage:
-
-    def configure(conf):
-        conf.load('compiler_cxx')
-        ...
-        conf.load('clang_compilation_database')
-"""
-
-import sys, os, json, shlex, pipes
-from waflib import Logs, TaskGen, Task
-
-Task.Task.keep_last_cmd = True
-
-@TaskGen.feature('c', 'cxx')
-@TaskGen.after_method('process_use')
-def collect_compilation_db_tasks(self):
-	"Add a compilation database entry for compiled tasks"
-	try:
-		clang_db = self.bld.clang_compilation_database_tasks
-	except AttributeError:
-		clang_db = self.bld.clang_compilation_database_tasks = []
-		self.bld.add_post_fun(write_compilation_database)
-
-	tup = tuple(y for y in [Task.classes.get(x) for x in ('c', 'cxx')] if y)
-	for task in getattr(self, 'compiled_tasks', []):
-		if isinstance(task, tup):
-			clang_db.append(task)
-
-def write_compilation_database(ctx):
-	"Write the clang compilation database as JSON"
-	database_file = ctx.bldnode.make_node('compile_commands.json')
-	Logs.info('Build commands will be stored in %s', database_file.path_from(ctx.path))
-	try:
-		root = json.load(database_file)
-	except IOError:
-		root = []
-	clang_db = dict((x['file'], x) for x in root)
-	for task in getattr(ctx, 'clang_compilation_database_tasks', []):
-		try:
-			cmd = task.last_cmd
-		except AttributeError:
-			continue
-		directory = getattr(task, 'cwd', ctx.variant_dir)
-		f_node = task.inputs[0]
-		filename = os.path.relpath(f_node.abspath(), directory)
-		entry = {
-			"directory": directory,
-			"arguments": cmd,
-			"file": filename,
-		}
-		clang_db[filename] = entry
-	root = list(clang_db.values())
-	database_file.write(json.dumps(root, indent=2))
-
-# Override the runnable_status function to do a dummy/dry run when the file doesn't need to be compiled.
-# This will make sure compile_commands.json is always fully up to date.
-# Previously you could end up with a partial compile_commands.json if the build failed.
-for x in ('c', 'cxx'):
-	if x not in Task.classes:
-		continue
-
-	t = Task.classes[x]
-
-	def runnable_status(self):
-		def exec_command(cmd, **kw):
-			pass
-
-		run_status = self.old_runnable_status()
-		if run_status == Task.SKIP_ME:
-			setattr(self, 'old_exec_command', getattr(self, 'exec_command', None))
-			setattr(self, 'exec_command', exec_command)
-			self.run()
-			setattr(self, 'exec_command', getattr(self, 'old_exec_command', None))
-		return run_status
-
-	setattr(t, 'old_runnable_status', getattr(t, 'runnable_status', None))
-	setattr(t, 'runnable_status', runnable_status)
diff --git a/waflib/extras/codelite.py b/waflib/extras/codelite.py
deleted file mode 100644
index 523302c0..00000000
--- a/waflib/extras/codelite.py
+++ /dev/null
@@ -1,875 +0,0 @@
-#! /usr/bin/env python
-# encoding: utf-8
-# CodeLite Project
-# Christian Klein (chrikle@berlios.de)
-# Created: Jan 2012
-# As templete for this file I used the msvs.py
-# I hope this template will work proper
-
-"""
-Redistribution and use in source and binary forms, with or without
-modification, are permitted provided that the following conditions
-are met:
-
-1. Redistributions of source code must retain the above copyright
-   notice, this list of conditions and the following disclaimer.
-
-2. Redistributions in binary form must reproduce the above copyright
-   notice, this list of conditions and the following disclaimer in the
-   documentation and/or other materials provided with the distribution.
-
-3. The name of the author may not be used to endorse or promote products
-   derived from this software without specific prior written permission.
-
-THIS SOFTWARE IS PROVIDED BY THE AUTHOR "AS IS" AND ANY EXPRESS OR
-IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
-WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
-DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT,
-INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
-(INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
-SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
-HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
-STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
-IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
-POSSIBILITY OF SUCH DAMAGE.
-"""
-
-"""
- 
-
-To add this tool to your project:
-def options(conf):
-        opt.load('codelite')
-
-It can be a good idea to add the sync_exec tool too.
-
-To generate solution files:
-$ waf configure codelite
-
-To customize the outputs, provide subclasses in your wscript files:
-
-from waflib.extras import codelite
-class vsnode_target(codelite.vsnode_target):
-        def get_build_command(self, props):
-                # likely to be required
-                return "waf.bat build"
-        def collect_source(self):
-                # likely to be required
-                ...
-class codelite_bar(codelite.codelite_generator):
-        def init(self):
-                codelite.codelite_generator.init(self)
-                self.vsnode_target = vsnode_target
-
-The codelite class re-uses the same build() function for reading the targets (task generators),
-you may therefore specify codelite settings on the context object:
-
-def build(bld):
-        bld.codelite_solution_name = 'foo.workspace'
-        bld.waf_command = 'waf.bat'
-        bld.projects_dir = bld.srcnode.make_node('')
-        bld.projects_dir.mkdir()
-
-
-ASSUMPTIONS:
-* a project can be either a directory or a target, project files are written only for targets that have source files
-* each project is a vcxproj file, therefore the project uuid needs only to be a hash of the absolute path
-"""
-
-import os, re, sys
-import uuid # requires python 2.5
-from waflib.Build import BuildContext
-from waflib import Utils, TaskGen, Logs, Task, Context, Node, Options
-
-HEADERS_GLOB = '**/(*.h|*.hpp|*.H|*.inl)'
-
-PROJECT_TEMPLATE = r'''<?xml version="1.0" encoding="utf-8"?>
-<CodeLite_Project Name="${project.name}" InternalType="Library">
-  <Plugins>
-    <Plugin Name="qmake">
-      <![CDATA[00010001N0005Release000000000000]]>
-    </Plugin>
-  </Plugins>
-  <Description/>
-  <Dependencies/>
-  <VirtualDirectory Name="src">
-  ${for x in project.source}  
-  ${if (project.get_key(x)=="sourcefile")}
-  <File Name="${x.abspath()}"/>
-  ${endif}
-  ${endfor}  
-  </VirtualDirectory>
-  <VirtualDirectory Name="include">  
-  ${for x in project.source}
-  ${if (project.get_key(x)=="headerfile")}
-  <File Name="${x.abspath()}"/>
-  ${endif}
-  ${endfor}
-  </VirtualDirectory>  
-  <Settings Type="Dynamic Library">
-    <GlobalSettings>
-      <Compiler Options="" C_Options="">
-        <IncludePath Value="."/>
-      </Compiler>
-      <Linker Options="">
-        <LibraryPath Value="."/>
-      </Linker>
-      <ResourceCompiler Options=""/>
-    </GlobalSettings>
-    <Configuration Name="Release" CompilerType="gnu gcc" ReleasegerType="GNU gdb Releaseger" Type="Dynamic Library" BuildCmpWithGlobalSettings="append" BuildLnkWithGlobalSettings="append" BuildResWithGlobalSettings="append">
-      <Compiler Options="" C_Options="" Required="yes" PreCompiledHeader="" PCHInCommandLine="no" UseDifferentPCHFlags="no" PCHFlags="">
-        <IncludePath Value="."/>
-        <IncludePath Value="."/>
-      </Compiler>
-      <Linker Options="" Required="yes">
-        <LibraryPath Value=""/>
-      </Linker>
-      <ResourceCompiler Options="" Required="no"/>
-      <General OutputFile="${xml:project.build_properties[0].output_file}" IntermediateDirectory="" Command="" CommandArguments="" PauseExecWhenProcTerminates="yes"/>
-      <Environment EnvVarSetName="&lt;Use Defaults&gt;" DbgSetName="&lt;Use Defaults&gt;">
-        <![CDATA[]]>
-      </Environment>
-      <Releaseger IsRemote="no" RemoteHostName="" RemoteHostPort="" ReleasegerPath="">
-        <PostConnectCommands/>
-        <StartupCommands/>
-      </Releaseger>
-      <PreBuild/>
-      <PostBuild/>
-      <CustomBuild Enabled="yes">
-        $b = project.build_properties[0]}
-        <RebuildCommand>${xml:project.get_rebuild_command(project.build_properties[0])}</RebuildCommand>
-        <CleanCommand>${xml:project.get_clean_command(project.build_properties[0])}</CleanCommand>
-        <BuildCommand>${xml:project.get_build_command(project.build_properties[0])}</BuildCommand> 
-        <Target Name="Install">${xml:project.get_install_command(project.build_properties[0])}</Target>
-        <Target Name="Build and Install">${xml:project.get_build_and_install_command(project.build_properties[0])}</Target>        
-        <Target Name="Build All">${xml:project.get_build_all_command(project.build_properties[0])}</Target>
-        <Target Name="Rebuild All">${xml:project.get_rebuild_all_command(project.build_properties[0])}</Target>
-        <Target Name="Clean All">${xml:project.get_clean_all_command(project.build_properties[0])}</Target>
-        <Target Name="Build and Install All">${xml:project.get_build_and_install_all_command(project.build_properties[0])}</Target>
-        <PreprocessFileCommand/>
-        <SingleFileCommand/>
-        <MakefileGenerationCommand/>
-        <ThirdPartyToolName>None</ThirdPartyToolName>
-        <WorkingDirectory/>
-      </CustomBuild>
-      <AdditionalRules>
-        <CustomPostBuild/>
-        <CustomPreBuild/>
-      </AdditionalRules>
-      <Completion>
-        <ClangCmpFlags/>
-        <ClangPP/>
-        <SearchPaths/>
-      </Completion>
-    </Configuration>
-    <Configuration Name="Release" CompilerType="gnu gcc" ReleasegerType="GNU gdb Releaseger" Type="" BuildCmpWithGlobalSettings="append" BuildLnkWithGlobalSettings="append" BuildResWithGlobalSettings="append">
-      <Compiler Options="" C_Options="" Required="yes" PreCompiledHeader="" PCHInCommandLine="no" UseDifferentPCHFlags="no" PCHFlags="">
-        <IncludePath Value="."/>
-      </Compiler>
-      <Linker Options="" Required="yes"/>
-      <ResourceCompiler Options="" Required="no"/>
-      <General OutputFile="" IntermediateDirectory="./Release" Command="" CommandArguments="" UseSeparateReleaseArgs="no" ReleaseArguments="" WorkingDirectory="$(IntermediateDirectory)" PauseExecWhenProcTerminates="yes"/>
-      <Environment EnvVarSetName="&lt;Use Defaults&gt;" DbgSetName="&lt;Use Defaults&gt;">
-        <![CDATA[
-      
-      
-      
-      ]]>
-      </Environment>
-      <Releaseger IsRemote="no" RemoteHostName="" RemoteHostPort="" ReleasegerPath="">
-        <PostConnectCommands/>
-        <StartupCommands/>
-      </Releaseger>
-      <PreBuild/>
-      <PostBuild/>
-      <CustomBuild Enabled="no">
-        <RebuildCommand/>
-        <CleanCommand/>
-        <BuildCommand/>
-        <PreprocessFileCommand/>
-        <SingleFileCommand/>
-        <MakefileGenerationCommand/>
-        <ThirdPartyToolName/>
-        <WorkingDirectory/>
-      </CustomBuild>
-      <AdditionalRules>
-        <CustomPostBuild/>
-        <CustomPreBuild/>
-      </AdditionalRules>
-      <Completion>
-        <ClangCmpFlags/>
-        <ClangPP/>
-        <SearchPaths/>
-      </Completion>
-    </Configuration>
-  </Settings>
-</CodeLite_Project>'''
-
-
-
-
-SOLUTION_TEMPLATE = '''<?xml version="1.0" encoding="utf-8"?>
-<CodeLite_Workspace Name="${getattr(project, 'codelite_solution_name', None)[:-10]}" Database="./${getattr(project, 'codelite_solution_name', None)[:-10]}.tags">
-${for p in project.all_projects}
-  <Project Name = "${p.name}" Path = "${p.title}" Active="No"/>
-${endfor}
-  <BuildMatrix>
-    <WorkspaceConfiguration Name="Release" Selected="yes">
-${for p in project.all_projects}
-      <Project Name="${p.name}" ConfigName="Release"/>        
-${endfor}
-    </WorkspaceConfiguration>        
-  </BuildMatrix>
-</CodeLite_Workspace>'''
-
-
-
-COMPILE_TEMPLATE = '''def f(project):
-        lst = []
-        def xml_escape(value):
-                return value.replace("&", "&amp;").replace('"', "&quot;").replace("'", "&apos;").replace("<", "&lt;").replace(">", "&gt;")
-
-        %s
-
-        #f = open('cmd.txt', 'w')
-        #f.write(str(lst))
-        #f.close()
-        return ''.join(lst)
-'''
-reg_act = re.compile(r"(?P<backslash>\\)|(?P<dollar>\$\$)|(?P<subst>\$\{(?P<code>[^}]*?)\})", re.M)
-def compile_template(line):
-        """
-        Compile a template expression into a python function (like jsps, but way shorter)
-        """
-        extr = []
-        def repl(match):
-                g = match.group
-                if g('dollar'):
-                        return "$"
-                elif g('backslash'):
-                        return "\\"
-                elif g('subst'):
-                        extr.append(g('code'))
-                        return "<<|@|>>"
-                return None
-
-        line2 = reg_act.sub(repl, line)
-        params = line2.split('<<|@|>>')
-        assert(extr)
-
-
-        indent = 0
-        buf = []
-        app = buf.append
-
-        def app(txt):
-                buf.append(indent * '\t' + txt)
-
-        for x in range(len(extr)):
-                if params[x]:
-                        app("lst.append(%r)" % params[x])
-
-                f = extr[x]
-                if f.startswith(('if', 'for')):
-                        app(f + ':')
-                        indent += 1
-                elif f.startswith('py:'):
-                        app(f[3:])
-                elif f.startswith(('endif', 'endfor')):
-                        indent -= 1
-                elif f.startswith(('else', 'elif')):
-                        indent -= 1
-                        app(f + ':')
-                        indent += 1
-                elif f.startswith('xml:'):
-                        app('lst.append(xml_escape(%s))' % f[4:])
-                else:
-                        #app('lst.append((%s) or "cannot find %s")' % (f, f))
-                        app('lst.append(%s)' % f)
-
-        if extr:
-                if params[-1]:
-                        app("lst.append(%r)" % params[-1])
-
-        fun = COMPILE_TEMPLATE % "\n\t".join(buf)
-        #print(fun)
-        return Task.funex(fun)
-
-
-re_blank = re.compile('(\n|\r|\\s)*\n', re.M)
-def rm_blank_lines(txt):
-        txt = re_blank.sub('\r\n', txt)
-        return txt
-
-BOM = '\xef\xbb\xbf'
-try:
-        BOM = bytes(BOM, 'latin-1') # python 3
-except (TypeError, NameError):
-        pass
-
-def stealth_write(self, data, flags='wb'):
-        try:
-                unicode
-        except NameError:
-                data = data.encode('utf-8') # python 3
-        else:
-                data = data.decode(sys.getfilesystemencoding(), 'replace')
-                data = data.encode('utf-8')
-
-        if self.name.endswith('.project'):
-                data = BOM + data
-
-        try:
-                txt = self.read(flags='rb')
-                if txt != data:
-                        raise ValueError('must write')
-        except (IOError, ValueError):
-                self.write(data, flags=flags)
-        else:
-                Logs.debug('codelite: skipping %r', self)
-Node.Node.stealth_write = stealth_write
-
-re_quote = re.compile("[^a-zA-Z0-9-]")
-def quote(s):
-        return re_quote.sub("_", s)
-
-def xml_escape(value):
-        return value.replace("&", "&amp;").replace('"', "&quot;").replace("'", "&apos;").replace("<", "&lt;").replace(">", "&gt;")
-
-def make_uuid(v, prefix = None):
-        """
-        simple utility function
-        """
-        if isinstance(v, dict):
-                keys = list(v.keys())
-                keys.sort()
-                tmp = str([(k, v[k]) for k in keys])
-        else:
-                tmp = str(v)
-        d = Utils.md5(tmp.encode()).hexdigest().upper()
-        if prefix:
-                d = '%s%s' % (prefix, d[8:])
-        gid = uuid.UUID(d, version = 4)
-        return str(gid).upper()
-
-def diff(node, fromnode):
-        # difference between two nodes, but with "(..)" instead of ".."
-        c1 = node
-        c2 = fromnode
-
-        c1h = c1.height()
-        c2h = c2.height()
-
-        lst = []
-        up = 0
-
-        while c1h > c2h:
-                lst.append(c1.name)
-                c1 = c1.parent
-                c1h -= 1
-
-        while c2h > c1h:
-                up += 1
-                c2 = c2.parent
-                c2h -= 1
-
-        while id(c1) != id(c2):
-                lst.append(c1.name)
-                up += 1
-
-                c1 = c1.parent
-                c2 = c2.parent
-
-        for i in range(up):
-                lst.append('(..)')
-        lst.reverse()
-        return tuple(lst)
-
-class build_property(object):
-        pass
-
-class vsnode(object):
-        """
-        Abstract class representing visual studio elements
-        We assume that all visual studio nodes have a uuid and a parent
-        """
-        def __init__(self, ctx):
-                self.ctx = ctx # codelite context
-                self.name = '' # string, mandatory
-                self.vspath = '' # path in visual studio (name for dirs, absolute path for projects)
-                self.uuid = '' # string, mandatory
-                self.parent = None # parent node for visual studio nesting
-
-        def get_waf(self):
-                """
-                Override in subclasses...
-                """
-                return '%s/%s' % (self.ctx.srcnode.abspath(), getattr(self.ctx, 'waf_command', 'waf'))
-
-        def ptype(self):
-                """
-                Return a special uuid for projects written in the solution file
-                """
-                pass
-
-        def write(self):
-                """
-                Write the project file, by default, do nothing
-                """
-                pass
-
-        def make_uuid(self, val):
-                """
-                Alias for creating uuid values easily (the templates cannot access global variables)
-                """
-                return make_uuid(val)
-
-class vsnode_vsdir(vsnode):
-        """
-        Nodes representing visual studio folders (which do not match the filesystem tree!)
-        """
-        VS_GUID_SOLUTIONFOLDER = "2150E333-8FDC-42A3-9474-1A3956D46DE8"
-        def __init__(self, ctx, uuid, name, vspath=''):
-                vsnode.__init__(self, ctx)
-                self.title = self.name = name
-                self.uuid = uuid
-                self.vspath = vspath or name
-
-        def ptype(self):
-                return self.VS_GUID_SOLUTIONFOLDER
-
-class vsnode_project(vsnode):
-        """
-        Abstract class representing visual studio project elements
-        A project is assumed to be writable, and has a node representing the file to write to
-        """
-        VS_GUID_VCPROJ = "8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942"
-        def ptype(self):
-                return self.VS_GUID_VCPROJ
-
-        def __init__(self, ctx, node):
-                vsnode.__init__(self, ctx)
-                self.path = node
-                self.uuid = make_uuid(node.abspath())
-                self.name = node.name
-                self.title = self.path.abspath()
-                self.source = [] # list of node objects
-                self.build_properties = [] # list of properties (nmake commands, output dir, etc)
-
-        def dirs(self):
-                """
-                Get the list of parent folders of the source files (header files included)
-                for writing the filters
-                """
-                lst = []
-                def add(x):
-                        if x.height() > self.tg.path.height() and x not in lst:
-                                lst.append(x)
-                                add(x.parent)
-                for x in self.source:
-                        add(x.parent)
-                return lst
-
-        def write(self):
-                Logs.debug('codelite: creating %r', self.path)
-                #print "self.name:",self.name
-
-                # first write the project file
-                template1 = compile_template(PROJECT_TEMPLATE)
-                proj_str = template1(self)
-                proj_str = rm_blank_lines(proj_str)
-                self.path.stealth_write(proj_str)
-
-                # then write the filter
-                #template2 = compile_template(FILTER_TEMPLATE)
-                #filter_str = template2(self)
-                #filter_str = rm_blank_lines(filter_str)
-                #tmp = self.path.parent.make_node(self.path.name + '.filters')
-                #tmp.stealth_write(filter_str)
-
-        def get_key(self, node):
-                """
-                required for writing the source files
-                """
-                name = node.name
-                if name.endswith(('.cpp', '.c')):
-                        return 'sourcefile'
-                return 'headerfile'
-
-        def collect_properties(self):
-                """
-                Returns a list of triplet (configuration, platform, output_directory)
-                """
-                ret = []
-                for c in self.ctx.configurations:
-                        for p in self.ctx.platforms:
-                                x = build_property()
-                                x.outdir = ''
-
-                                x.configuration = c
-                                x.platform = p
-
-                                x.preprocessor_definitions = ''
-                                x.includes_search_path = ''
-
-                                # can specify "deploy_dir" too
-                                ret.append(x)
-                self.build_properties = ret
-
-        def get_build_params(self, props):
-                opt = ''
-                return (self.get_waf(), opt)
-
-        def get_build_command(self, props):
-                return "%s build %s" % self.get_build_params(props)
-
-        def get_clean_command(self, props):
-                return "%s clean %s" % self.get_build_params(props)
-
-        def get_rebuild_command(self, props):
-                return "%s clean build %s" % self.get_build_params(props)
-                
-        def get_install_command(self, props):
-                return "%s install %s" % self.get_build_params(props)
-        def get_build_and_install_command(self, props):
-                return "%s build install %s" % self.get_build_params(props)
-                
-        def get_build_and_install_all_command(self, props):
-                return "%s build install" % self.get_build_params(props)[0]
-                
-        def get_clean_all_command(self, props):
-                return "%s clean" % self.get_build_params(props)[0]
-        
-        def get_build_all_command(self, props):
-                return "%s build" % self.get_build_params(props)[0]
-                
-        def get_rebuild_all_command(self, props):
-                return "%s clean build" % self.get_build_params(props)[0]
-
-        def get_filter_name(self, node):
-                lst = diff(node, self.tg.path)
-                return '\\'.join(lst) or '.'
-
-class vsnode_alias(vsnode_project):
-        def __init__(self, ctx, node, name):
-                vsnode_project.__init__(self, ctx, node)
-                self.name = name
-                self.output_file = ''
-
-class vsnode_build_all(vsnode_alias):
-        """
-        Fake target used to emulate the behaviour of "make all" (starting one process by target is slow)
-        This is the only alias enabled by default
-        """
-        def __init__(self, ctx, node, name='build_all_projects'):
-                vsnode_alias.__init__(self, ctx, node, name)
-                self.is_active = True
-
-class vsnode_install_all(vsnode_alias):
-        """
-        Fake target used to emulate the behaviour of "make install"
-        """
-        def __init__(self, ctx, node, name='install_all_projects'):
-                vsnode_alias.__init__(self, ctx, node, name)
-
-        def get_build_command(self, props):
-                return "%s build install %s" % self.get_build_params(props)
-
-        def get_clean_command(self, props):
-                return "%s clean %s" % self.get_build_params(props)
-
-        def get_rebuild_command(self, props):
-                return "%s clean build install %s" % self.get_build_params(props)
-
-class vsnode_project_view(vsnode_alias):
-        """
-        Fake target used to emulate a file system view
-        """
-        def __init__(self, ctx, node, name='project_view'):
-                vsnode_alias.__init__(self, ctx, node, name)
-                self.tg = self.ctx() # fake one, cannot remove
-                self.exclude_files = Node.exclude_regs + '''
-waf-2*
-waf3-2*/**
-.waf-2*
-.waf3-2*/**
-**/*.sdf
-**/*.suo
-**/*.ncb
-**/%s
-                ''' % Options.lockfile
-
-        def collect_source(self):
-                # this is likely to be slow
-                self.source = self.ctx.srcnode.ant_glob('**', excl=self.exclude_files)
-
-        def get_build_command(self, props):
-                params = self.get_build_params(props) + (self.ctx.cmd,)
-                return "%s %s %s" % params
-
-        def get_clean_command(self, props):
-                return ""
-
-        def get_rebuild_command(self, props):
-                return self.get_build_command(props)
-
-class vsnode_target(vsnode_project):
-        """
-        CodeLite project representing a targets (programs, libraries, etc) and bound
-        to a task generator
-        """
-        def __init__(self, ctx, tg):
-                """
-                A project is more or less equivalent to a file/folder
-                """
-                base = getattr(ctx, 'projects_dir', None) or tg.path
-                node = base.make_node(quote(tg.name) + ctx.project_extension) # the project file as a Node
-                vsnode_project.__init__(self, ctx, node)
-                self.name = quote(tg.name)
-                self.tg     = tg  # task generator
-
-        def get_build_params(self, props):
-                """
-                Override the default to add the target name
-                """
-                opt = ''
-                if getattr(self, 'tg', None):
-                        opt += " --targets=%s" % self.tg.name
-                return (self.get_waf(), opt)
-
-        def collect_source(self):
-                tg = self.tg
-                source_files = tg.to_nodes(getattr(tg, 'source', []))
-                include_dirs = Utils.to_list(getattr(tg, 'codelite_includes', []))
-                include_files = []
-                for x in include_dirs:
-                        if isinstance(x, str):
-                                x = tg.path.find_node(x)
-                        if x:
-                                lst = [y for y in x.ant_glob(HEADERS_GLOB, flat=False)]
-                                include_files.extend(lst)
-
-                # remove duplicates
-                self.source.extend(list(set(source_files + include_files)))
-                self.source.sort(key=lambda x: x.abspath())
-
-        def collect_properties(self):
-                """
-                CodeLite projects are associated with platforms and configurations (for building especially)
-                """
-                super(vsnode_target, self).collect_properties()
-                for x in self.build_properties:
-                        x.outdir = self.path.parent.abspath()
-                        x.preprocessor_definitions = ''
-                        x.includes_search_path = ''
-
-                        try:
-                                tsk = self.tg.link_task
-                        except AttributeError:
-                                pass
-                        else:                                
-                                x.output_file = tsk.outputs[0].abspath()
-                                x.preprocessor_definitions = ';'.join(tsk.env.DEFINES)
-                                x.includes_search_path = ';'.join(self.tg.env.INCPATHS)
-
-class codelite_generator(BuildContext):
-        '''generates a CodeLite workspace'''
-        cmd = 'codelite'
-        fun = 'build'
-
-        def init(self):
-                """
-                Some data that needs to be present
-                """
-                if not getattr(self, 'configurations', None):
-                        self.configurations = ['Release'] # LocalRelease, RemoteDebug, etc
-                if not getattr(self, 'platforms', None):
-                        self.platforms = ['Win32']
-                if not getattr(self, 'all_projects', None):
-                        self.all_projects = []
-                if not getattr(self, 'project_extension', None):
-                        self.project_extension = '.project'
-                if not getattr(self, 'projects_dir', None):
-                        self.projects_dir = self.srcnode.make_node('')
-                        self.projects_dir.mkdir()
-
-                # bind the classes to the object, so that subclass can provide custom generators
-                if not getattr(self, 'vsnode_vsdir', None):
-                        self.vsnode_vsdir = vsnode_vsdir
-                if not getattr(self, 'vsnode_target', None):
-                        self.vsnode_target = vsnode_target
-                if not getattr(self, 'vsnode_build_all', None):
-                        self.vsnode_build_all = vsnode_build_all
-                if not getattr(self, 'vsnode_install_all', None):
-                        self.vsnode_install_all = vsnode_install_all
-                if not getattr(self, 'vsnode_project_view', None):
-                        self.vsnode_project_view = vsnode_project_view
-
-                self.numver = '11.00'
-                self.vsver  = '2010'
-
-        def execute(self):
-                """
-                Entry point
-                """
-                self.restore()
-                if not self.all_envs:
-                        self.load_envs()
-                self.recurse([self.run_dir])
-
-                # user initialization
-                self.init()
-
-                # two phases for creating the solution
-                self.collect_projects() # add project objects into "self.all_projects"
-                self.write_files() # write the corresponding project and solution files
-
-        def collect_projects(self):
-                """
-                Fill the list self.all_projects with project objects
-                Fill the list of build targets
-                """
-                self.collect_targets()
-                #self.add_aliases()
-                #self.collect_dirs()
-                default_project = getattr(self, 'default_project', None)
-                def sortfun(x):
-                        if x.name == default_project:
-                                return ''
-                        return getattr(x, 'path', None) and x.path.abspath() or x.name
-                self.all_projects.sort(key=sortfun)
-
-        def write_files(self):
-                """
-                Write the project and solution files from the data collected
-                so far. It is unlikely that you will want to change this
-                """
-                for p in self.all_projects:
-                        p.write()
-
-                # and finally write the solution file
-                node = self.get_solution_node()
-                node.parent.mkdir()
-                Logs.warn('Creating %r', node)
-                #a = dir(self.root)
-                #for b in a:
-                #        print b
-                #print self.group_names
-                #print "Hallo2:   ",self.root.listdir()
-                #print getattr(self, 'codelite_solution_name', None)
-                template1 = compile_template(SOLUTION_TEMPLATE)
-                sln_str = template1(self)
-                sln_str = rm_blank_lines(sln_str)
-                node.stealth_write(sln_str)
-
-        def get_solution_node(self):
-                """
-                The solution filename is required when writing the .vcproj files
-                return self.solution_node and if it does not exist, make one
-                """
-                try:
-                        return self.solution_node
-                except:
-                        pass
-
-                codelite_solution_name = getattr(self, 'codelite_solution_name', None)
-                if not codelite_solution_name:
-                        codelite_solution_name = getattr(Context.g_module, Context.APPNAME, 'project') + '.workspace'
-                        setattr(self, 'codelite_solution_name', codelite_solution_name)
-                if os.path.isabs(codelite_solution_name):
-                        self.solution_node = self.root.make_node(codelite_solution_name)
-                else:
-                        self.solution_node = self.srcnode.make_node(codelite_solution_name)
-                return self.solution_node
-
-        def project_configurations(self):
-                """
-                Helper that returns all the pairs (config,platform)
-                """
-                ret = []
-                for c in self.configurations:
-                        for p in self.platforms:
-                                ret.append((c, p))
-                return ret
-
-        def collect_targets(self):
-                """
-                Process the list of task generators
-                """
-                for g in self.groups:
-                        for tg in g:
-                                if not isinstance(tg, TaskGen.task_gen):
-                                        continue
-
-                                if not hasattr(tg, 'codelite_includes'):
-                                        tg.codelite_includes = tg.to_list(getattr(tg, 'includes', [])) + tg.to_list(getattr(tg, 'export_includes', []))
-                                tg.post()
-                                if not getattr(tg, 'link_task', None):
-                                        continue
-
-                                p = self.vsnode_target(self, tg)
-                                p.collect_source() # delegate this processing
-                                p.collect_properties()                               
-                                self.all_projects.append(p)
-
-        def add_aliases(self):
-                """
-                Add a specific target that emulates the "make all" necessary for Visual studio when pressing F7
-                We also add an alias for "make install" (disabled by default)
-                """
-                base = getattr(self, 'projects_dir', None) or self.tg.path
-
-                node_project = base.make_node('build_all_projects' + self.project_extension) # Node
-                p_build = self.vsnode_build_all(self, node_project)
-                p_build.collect_properties()
-                self.all_projects.append(p_build)
-
-                node_project = base.make_node('install_all_projects' + self.project_extension) # Node
-                p_install = self.vsnode_install_all(self, node_project)
-                p_install.collect_properties()
-                self.all_projects.append(p_install)
-
-                node_project = base.make_node('project_view' + self.project_extension) # Node
-                p_view = self.vsnode_project_view(self, node_project)
-                p_view.collect_source()
-                p_view.collect_properties()
-                self.all_projects.append(p_view)
-
-                n = self.vsnode_vsdir(self, make_uuid(self.srcnode.abspath() + 'build_aliases'), "build_aliases")
-                p_build.parent = p_install.parent = p_view.parent = n
-                self.all_projects.append(n)
-
-        def collect_dirs(self):
-                """
-                Create the folder structure in the CodeLite project view
-                """
-                seen = {}
-                def make_parents(proj):
-                        # look at a project, try to make a parent
-                        if getattr(proj, 'parent', None):
-                                # aliases already have parents
-                                return
-                        x = proj.iter_path
-                        if x in seen:
-                                proj.parent = seen[x]
-                                return
-
-                        # There is not vsnode_vsdir for x.
-                        # So create a project representing the folder "x"
-                        n = proj.parent = seen[x] = self.vsnode_vsdir(self, make_uuid(x.abspath()), x.name)
-                        n.iter_path = x.parent
-                        self.all_projects.append(n)
-
-                        # recurse up to the project directory
-                        if x.height() > self.srcnode.height() + 1:
-                                make_parents(n)
-
-                for p in self.all_projects[:]: # iterate over a copy of all projects
-                        if not getattr(p, 'tg', None):
-                                # but only projects that have a task generator
-                                continue
-
-                        # make a folder for each task generator
-                        p.iter_path = p.tg.path
-                        make_parents(p)
-
diff --git a/waflib/extras/color_gcc.py b/waflib/extras/color_gcc.py
deleted file mode 100644
index b68c5ebf..00000000
--- a/waflib/extras/color_gcc.py
+++ /dev/null
@@ -1,39 +0,0 @@
-#!/usr/bin/env python
-# encoding: utf-8
-
-# Replaces the default formatter by one which understands GCC output and colorizes it.
-
-__author__ = __maintainer__ = "Jérôme Carretero <cJ-waf@zougloub.eu>"
-__copyright__ = "Jérôme Carretero, 2012"
-
-import sys
-from waflib import Logs
-
-class ColorGCCFormatter(Logs.formatter):
-	def __init__(self, colors):
-		self.colors = colors
-		Logs.formatter.__init__(self)
-	def format(self, rec):
-		frame = sys._getframe()
-		while frame:
-			func = frame.f_code.co_name
-			if func == 'exec_command':
-				cmd = frame.f_locals.get('cmd')
-				if isinstance(cmd, list) and ('gcc' in cmd[0] or 'g++' in cmd[0]):
-					lines = []
-					for line in rec.msg.splitlines():
-						if 'warning: ' in line:
-							lines.append(self.colors.YELLOW + line)
-						elif 'error: ' in line:
-							lines.append(self.colors.RED + line)
-						elif 'note: ' in line:
-							lines.append(self.colors.CYAN + line)
-						else:
-							lines.append(line)
-					rec.msg = "\n".join(lines)
-			frame = frame.f_back
-		return Logs.formatter.format(self, rec)
-
-def options(opt):
-	Logs.log.handlers[0].setFormatter(ColorGCCFormatter(Logs.colors))
-
diff --git a/waflib/extras/color_rvct.py b/waflib/extras/color_rvct.py
deleted file mode 100644
index f89ccbdb..00000000
--- a/waflib/extras/color_rvct.py
+++ /dev/null
@@ -1,51 +0,0 @@
-#!/usr/bin/env python
-# encoding: utf-8
-
-# Replaces the default formatter by one which understands RVCT output and colorizes it.
-
-__author__ = __maintainer__ = "Jérôme Carretero <cJ-waf@zougloub.eu>"
-__copyright__ = "Jérôme Carretero, 2012"
-
-import sys
-import atexit
-from waflib import Logs
-
-errors = []
-
-def show_errors():
-	for i, e in enumerate(errors):
-		if i > 5:
-			break
-		print("Error: %s" % e)
-
-atexit.register(show_errors)
-
-class RcvtFormatter(Logs.formatter):
-	def __init__(self, colors):
-		Logs.formatter.__init__(self)
-		self.colors = colors
-	def format(self, rec):
-		frame = sys._getframe()
-		while frame:
-			func = frame.f_code.co_name
-			if func == 'exec_command':
-				cmd = frame.f_locals['cmd']
-				if isinstance(cmd, list) and ('armcc' in cmd[0] or 'armld' in cmd[0]):
-					lines = []
-					for line in rec.msg.splitlines():
-						if 'Warning: ' in line:
-							lines.append(self.colors.YELLOW + line)
-						elif 'Error: ' in line:
-							lines.append(self.colors.RED + line)
-							errors.append(line)
-						elif 'note: ' in line:
-							lines.append(self.colors.CYAN + line)
-						else:
-							lines.append(line)
-					rec.msg = "\n".join(lines)
-			frame = frame.f_back
-		return Logs.formatter.format(self, rec)
-
-def options(opt):
-	Logs.log.handlers[0].setFormatter(RcvtFormatter(Logs.colors))
-
diff --git a/waflib/extras/compat15.py b/waflib/extras/compat15.py
deleted file mode 100644
index 0e74df85..00000000
--- a/waflib/extras/compat15.py
+++ /dev/null
@@ -1,406 +0,0 @@
-#! /usr/bin/env python
-# encoding: utf-8
-# Thomas Nagy, 2010 (ita)
-
-"""
-This file is provided to enable compatibility with waf 1.5
-It was enabled by default in waf 1.6, but it is not used in waf 1.7
-"""
-
-import sys
-from waflib import ConfigSet, Logs, Options, Scripting, Task, Build, Configure, Node, Runner, TaskGen, Utils, Errors, Context
-
-# the following is to bring some compatibility with waf 1.5 "import waflib.Configure → import Configure"
-sys.modules['Environment'] = ConfigSet
-ConfigSet.Environment = ConfigSet.ConfigSet
-
-sys.modules['Logs'] = Logs
-sys.modules['Options'] = Options
-sys.modules['Scripting'] = Scripting
-sys.modules['Task'] = Task
-sys.modules['Build'] = Build
-sys.modules['Configure'] = Configure
-sys.modules['Node'] = Node
-sys.modules['Runner'] = Runner
-sys.modules['TaskGen'] = TaskGen
-sys.modules['Utils'] = Utils
-sys.modules['Constants'] = Context
-Context.SRCDIR = ''
-Context.BLDDIR = ''
-
-from waflib.Tools import c_preproc
-sys.modules['preproc'] = c_preproc
-
-from waflib.Tools import c_config
-sys.modules['config_c'] = c_config
-
-ConfigSet.ConfigSet.copy = ConfigSet.ConfigSet.derive
-ConfigSet.ConfigSet.set_variant = Utils.nada
-
-Utils.pproc = Utils.subprocess
-
-Build.BuildContext.add_subdirs = Build.BuildContext.recurse
-Build.BuildContext.new_task_gen = Build.BuildContext.__call__
-Build.BuildContext.is_install = 0
-Node.Node.relpath_gen = Node.Node.path_from
-
-Utils.pproc = Utils.subprocess
-Utils.get_term_cols = Logs.get_term_cols
-
-def cmd_output(cmd, **kw):
-
-	silent = False
-	if 'silent' in kw:
-		silent = kw['silent']
-		del(kw['silent'])
-
-	if 'e' in kw:
-		tmp = kw['e']
-		del(kw['e'])
-		kw['env'] = tmp
-
-	kw['shell'] = isinstance(cmd, str)
-	kw['stdout'] = Utils.subprocess.PIPE
-	if silent:
-		kw['stderr'] = Utils.subprocess.PIPE
-
-	try:
-		p = Utils.subprocess.Popen(cmd, **kw)
-		output = p.communicate()[0]
-	except OSError as e:
-		raise ValueError(str(e))
-
-	if p.returncode:
-		if not silent:
-			msg = "command execution failed: %s -> %r" % (cmd, str(output))
-			raise ValueError(msg)
-		output = ''
-	return output
-Utils.cmd_output = cmd_output
-
-def name_to_obj(self, s, env=None):
-	if Logs.verbose:
-		Logs.warn('compat: change "name_to_obj(name, env)" by "get_tgen_by_name(name)"')
-	return self.get_tgen_by_name(s)
-Build.BuildContext.name_to_obj = name_to_obj
-
-def env_of_name(self, name):
-	try:
-		return self.all_envs[name]
-	except KeyError:
-		Logs.error('no such environment: '+name)
-		return None
-Build.BuildContext.env_of_name = env_of_name
-
-
-def set_env_name(self, name, env):
-	self.all_envs[name] = env
-	return env
-Configure.ConfigurationContext.set_env_name = set_env_name
-
-def retrieve(self, name, fromenv=None):
-	try:
-		env = self.all_envs[name]
-	except KeyError:
-		env = ConfigSet.ConfigSet()
-		self.prepare_env(env)
-		self.all_envs[name] = env
-	else:
-		if fromenv:
-			Logs.warn('The environment %s may have been configured already', name)
-	return env
-Configure.ConfigurationContext.retrieve = retrieve
-
-Configure.ConfigurationContext.sub_config = Configure.ConfigurationContext.recurse
-Configure.ConfigurationContext.check_tool = Configure.ConfigurationContext.load
-Configure.conftest = Configure.conf
-Configure.ConfigurationError = Errors.ConfigurationError
-Utils.WafError = Errors.WafError
-
-Options.OptionsContext.sub_options = Options.OptionsContext.recurse
-Options.OptionsContext.tool_options = Context.Context.load
-Options.Handler = Options.OptionsContext
-
-Task.simple_task_type = Task.task_type_from_func = Task.task_factory
-Task.Task.classes = Task.classes
-
-def setitem(self, key, value):
-	if key.startswith('CCFLAGS'):
-		key = key[1:]
-	self.table[key] = value
-ConfigSet.ConfigSet.__setitem__ = setitem
-
-@TaskGen.feature('d')
-@TaskGen.before('apply_incpaths')
-def old_importpaths(self):
-	if getattr(self, 'importpaths', []):
-		self.includes = self.importpaths
-
-from waflib import Context
-eld = Context.load_tool
-def load_tool(*k, **kw):
-	ret = eld(*k, **kw)
-	if 'set_options' in ret.__dict__:
-		if Logs.verbose:
-			Logs.warn('compat: rename "set_options" to options')
-		ret.options = ret.set_options
-	if 'detect' in ret.__dict__:
-		if Logs.verbose:
-			Logs.warn('compat: rename "detect" to "configure"')
-		ret.configure = ret.detect
-	return ret
-Context.load_tool = load_tool
-
-def get_curdir(self):
-	return self.path.abspath()
-Context.Context.curdir = property(get_curdir, Utils.nada)
-
-def get_srcdir(self):
-	return self.srcnode.abspath()
-Configure.ConfigurationContext.srcdir = property(get_srcdir, Utils.nada)
-
-def get_blddir(self):
-	return self.bldnode.abspath()
-Configure.ConfigurationContext.blddir = property(get_blddir, Utils.nada)
-
-Configure.ConfigurationContext.check_message_1 = Configure.ConfigurationContext.start_msg
-Configure.ConfigurationContext.check_message_2 = Configure.ConfigurationContext.end_msg
-
-rev = Context.load_module
-def load_module(path, encoding=None):
-	ret = rev(path, encoding)
-	if 'set_options' in ret.__dict__:
-		if Logs.verbose:
-			Logs.warn('compat: rename "set_options" to "options" (%r)', path)
-		ret.options = ret.set_options
-	if 'srcdir' in ret.__dict__:
-		if Logs.verbose:
-			Logs.warn('compat: rename "srcdir" to "top" (%r)', path)
-		ret.top = ret.srcdir
-	if 'blddir' in ret.__dict__:
-		if Logs.verbose:
-			Logs.warn('compat: rename "blddir" to "out" (%r)', path)
-		ret.out = ret.blddir
-	Utils.g_module = Context.g_module
-	Options.launch_dir = Context.launch_dir
-	return ret
-Context.load_module = load_module
-
-old_post = TaskGen.task_gen.post
-def post(self):
-	self.features = self.to_list(self.features)
-	if 'cc' in self.features:
-		if Logs.verbose:
-			Logs.warn('compat: the feature cc does not exist anymore (use "c")')
-		self.features.remove('cc')
-		self.features.append('c')
-	if 'cstaticlib' in self.features:
-		if Logs.verbose:
-			Logs.warn('compat: the feature cstaticlib does not exist anymore (use "cstlib" or "cxxstlib")')
-		self.features.remove('cstaticlib')
-		self.features.append(('cxx' in self.features) and 'cxxstlib' or 'cstlib')
-	if getattr(self, 'ccflags', None):
-		if Logs.verbose:
-			Logs.warn('compat: "ccflags" was renamed to "cflags"')
-		self.cflags = self.ccflags
-	return old_post(self)
-TaskGen.task_gen.post = post
-
-def waf_version(*k, **kw):
-	Logs.warn('wrong version (waf_version was removed in waf 1.6)')
-Utils.waf_version = waf_version
-
-
-import os
-@TaskGen.feature('c', 'cxx', 'd')
-@TaskGen.before('apply_incpaths', 'propagate_uselib_vars')
-@TaskGen.after('apply_link', 'process_source')
-def apply_uselib_local(self):
-	"""
-	process the uselib_local attribute
-	execute after apply_link because of the execution order set on 'link_task'
-	"""
-	env = self.env
-	from waflib.Tools.ccroot import stlink_task
-
-	# 1. the case of the libs defined in the project (visit ancestors first)
-	# the ancestors external libraries (uselib) will be prepended
-	self.uselib = self.to_list(getattr(self, 'uselib', []))
-	self.includes = self.to_list(getattr(self, 'includes', []))
-	names = self.to_list(getattr(self, 'uselib_local', []))
-	get = self.bld.get_tgen_by_name
-	seen = set()
-	seen_uselib = set()
-	tmp = Utils.deque(names) # consume a copy of the list of names
-	if tmp:
-		if Logs.verbose:
-			Logs.warn('compat: "uselib_local" is deprecated, replace by "use"')
-	while tmp:
-		lib_name = tmp.popleft()
-		# visit dependencies only once
-		if lib_name in seen:
-			continue
-
-		y = get(lib_name)
-		y.post()
-		seen.add(lib_name)
-
-		# object has ancestors to process (shared libraries): add them to the end of the list
-		if getattr(y, 'uselib_local', None):
-			for x in self.to_list(getattr(y, 'uselib_local', [])):
-				obj = get(x)
-				obj.post()
-				if getattr(obj, 'link_task', None):
-					if not isinstance(obj.link_task, stlink_task):
-						tmp.append(x)
-
-		# link task and flags
-		if getattr(y, 'link_task', None):
-
-			link_name = y.target[y.target.rfind(os.sep) + 1:]
-			if isinstance(y.link_task, stlink_task):
-				env.append_value('STLIB', [link_name])
-			else:
-				# some linkers can link against programs
-				env.append_value('LIB', [link_name])
-
-			# the order
-			self.link_task.set_run_after(y.link_task)
-
-			# for the recompilation
-			self.link_task.dep_nodes += y.link_task.outputs
-
-			# add the link path too
-			tmp_path = y.link_task.outputs[0].parent.bldpath()
-			if not tmp_path in env['LIBPATH']:
-				env.prepend_value('LIBPATH', [tmp_path])
-
-		# add ancestors uselib too - but only propagate those that have no staticlib defined
-		for v in self.to_list(getattr(y, 'uselib', [])):
-			if v not in seen_uselib:
-				seen_uselib.add(v)
-				if not env['STLIB_' + v]:
-					if not v in self.uselib:
-						self.uselib.insert(0, v)
-
-		# if the library task generator provides 'export_includes', add to the include path
-		# the export_includes must be a list of paths relative to the other library
-		if getattr(y, 'export_includes', None):
-			self.includes.extend(y.to_incnodes(y.export_includes))
-
-@TaskGen.feature('cprogram', 'cxxprogram', 'cstlib', 'cxxstlib', 'cshlib', 'cxxshlib', 'dprogram', 'dstlib', 'dshlib')
-@TaskGen.after('apply_link')
-def apply_objdeps(self):
-	"add the .o files produced by some other object files in the same manner as uselib_local"
-	names = getattr(self, 'add_objects', [])
-	if not names:
-		return
-	names = self.to_list(names)
-
-	get = self.bld.get_tgen_by_name
-	seen = []
-	while names:
-		x = names[0]
-
-		# visit dependencies only once
-		if x in seen:
-			names = names[1:]
-			continue
-
-		# object does not exist ?
-		y = get(x)
-
-		# object has ancestors to process first ? update the list of names
-		if getattr(y, 'add_objects', None):
-			added = 0
-			lst = y.to_list(y.add_objects)
-			lst.reverse()
-			for u in lst:
-				if u in seen:
-					continue
-				added = 1
-				names = [u]+names
-			if added:
-				continue # list of names modified, loop
-
-		# safe to process the current object
-		y.post()
-		seen.append(x)
-
-		for t in getattr(y, 'compiled_tasks', []):
-			self.link_task.inputs.extend(t.outputs)
-
-@TaskGen.after('apply_link')
-def process_obj_files(self):
-	if not hasattr(self, 'obj_files'):
-		return
-	for x in self.obj_files:
-		node = self.path.find_resource(x)
-		self.link_task.inputs.append(node)
-
-@TaskGen.taskgen_method
-def add_obj_file(self, file):
-	"""Small example on how to link object files as if they were source
-	obj = bld.create_obj('cc')
-	obj.add_obj_file('foo.o')"""
-	if not hasattr(self, 'obj_files'):
-		self.obj_files = []
-	if not 'process_obj_files' in self.meths:
-		self.meths.append('process_obj_files')
-	self.obj_files.append(file)
-
-
-old_define = Configure.ConfigurationContext.__dict__['define']
-
-@Configure.conf
-def define(self, key, val, quote=True, comment=''):
-	old_define(self, key, val, quote, comment)
-	if key.startswith('HAVE_'):
-		self.env[key] = 1
-
-old_undefine = Configure.ConfigurationContext.__dict__['undefine']
-
-@Configure.conf
-def undefine(self, key, comment=''):
-	old_undefine(self, key, comment)
-	if key.startswith('HAVE_'):
-		self.env[key] = 0
-
-# some people might want to use export_incdirs, but it was renamed
-def set_incdirs(self, val):
-	Logs.warn('compat: change "export_incdirs" by "export_includes"')
-	self.export_includes = val
-TaskGen.task_gen.export_incdirs = property(None, set_incdirs)
-
-def install_dir(self, path):
-	if not path:
-		return []
-
-	destpath = Utils.subst_vars(path, self.env)
-
-	if self.is_install > 0:
-		Logs.info('* creating %s', destpath)
-		Utils.check_dir(destpath)
-	elif self.is_install < 0:
-		Logs.info('* removing %s', destpath)
-		try:
-			os.remove(destpath)
-		except OSError:
-			pass
-Build.BuildContext.install_dir = install_dir
-
-# before/after names
-repl = {'apply_core': 'process_source',
-	'apply_lib_vars': 'process_source',
-	'apply_obj_vars': 'propagate_uselib_vars',
-	'exec_rule': 'process_rule'
-}
-def after(*k):
-	k = [repl.get(key, key) for key in k]
-	return TaskGen.after_method(*k)
-
-def before(*k):
-	k = [repl.get(key, key) for key in k]
-	return TaskGen.before_method(*k)
-TaskGen.before = before
-
diff --git a/waflib/extras/cppcheck.py b/waflib/extras/cppcheck.py
deleted file mode 100644
index 13ff4247..00000000
--- a/waflib/extras/cppcheck.py
+++ /dev/null
@@ -1,591 +0,0 @@
-#! /usr/bin/env python
-# -*- encoding: utf-8 -*-
-# Michel Mooij, michel.mooij7@gmail.com
-
-"""
-Tool Description
-================
-This module provides a waf wrapper (i.e. waftool) around the C/C++ source code
-checking tool 'cppcheck'.
-
-See http://cppcheck.sourceforge.net/ for more information on the cppcheck tool
-itself.
-Note that many linux distributions already provide a ready to install version
-of cppcheck. On fedora, for instance, it can be installed using yum:
-
-	'sudo yum install cppcheck'
-
-
-Usage
-=====
-In order to use this waftool simply add it to the 'options' and 'configure'
-functions of your main waf script as shown in the example below:
-
-	def options(opt):
-		opt.load('cppcheck', tooldir='./waftools')
-
-	def configure(conf):
-		conf.load('cppcheck')
-
-Note that example shown above assumes that the cppcheck waftool is located in
-the sub directory named 'waftools'.
-
-When configured as shown in the example above, cppcheck will automatically
-perform a source code analysis on all C/C++ build tasks that have been
-defined in your waf build system.
-
-The example shown below for a C program will be used as input for cppcheck when
-building the task.
-
-	def build(bld):
-		bld.program(name='foo', src='foobar.c')
-
-The result of the source code analysis will be stored both as xml and html
-files in the build location for the task. Should any error be detected by
-cppcheck the build will be aborted and a link to the html report will be shown.
-By default, one index.html file is created for each task generator. A global
-index.html file can be obtained by setting the following variable
-in the configuration section:
-
-	conf.env.CPPCHECK_SINGLE_HTML = False
-
-When needed source code checking by cppcheck can be disabled per task, per
-detected error or warning for a particular task. It can be also be disabled for
-all tasks.
-
-In order to exclude a task from source code checking add the skip option to the
-task as shown below:
-
-	def build(bld):
-		bld.program(
-				name='foo',
-				src='foobar.c'
-				cppcheck_skip=True
-		)
-
-When needed problems detected by cppcheck may be suppressed using a file
-containing a list of suppression rules. The relative or absolute path to this
-file can be added to the build task as shown in the example below:
-
-		bld.program(
-				name='bar',
-				src='foobar.c',
-				cppcheck_suppress='bar.suppress'
-		)
-
-A cppcheck suppress file should contain one suppress rule per line. Each of
-these rules will be passed as an '--suppress=<rule>' argument to cppcheck.
-
-Dependencies
-================
-This waftool depends on the python pygments module, it is used for source code
-syntax highlighting when creating the html reports. see http://pygments.org/ for
-more information on this package.
-
-Remarks
-================
-The generation of the html report is originally based on the cppcheck-htmlreport.py
-script that comes shipped with the cppcheck tool.
-"""
-
-import sys
-import xml.etree.ElementTree as ElementTree
-from waflib import Task, TaskGen, Logs, Context, Options
-
-PYGMENTS_EXC_MSG= '''
-The required module 'pygments' could not be found. Please install it using your
-platform package manager (e.g. apt-get or yum), using 'pip' or 'easy_install',
-see 'http://pygments.org/download/' for installation instructions.
-'''
-
-try:
-	import pygments
-	from pygments import formatters, lexers
-except ImportError as e:
-	Logs.warn(PYGMENTS_EXC_MSG)
-	raise e
-
-
-def options(opt):
-	opt.add_option('--cppcheck-skip', dest='cppcheck_skip',
-		default=False, action='store_true',
-		help='do not check C/C++ sources (default=False)')
-
-	opt.add_option('--cppcheck-err-resume', dest='cppcheck_err_resume',
-		default=False, action='store_true',
-		help='continue in case of errors (default=False)')
-
-	opt.add_option('--cppcheck-bin-enable', dest='cppcheck_bin_enable',
-		default='warning,performance,portability,style,unusedFunction', action='store',
-		help="cppcheck option '--enable=' for binaries (default=warning,performance,portability,style,unusedFunction)")
-
-	opt.add_option('--cppcheck-lib-enable', dest='cppcheck_lib_enable',
-		default='warning,performance,portability,style', action='store',
-		help="cppcheck option '--enable=' for libraries (default=warning,performance,portability,style)")
-
-	opt.add_option('--cppcheck-std-c', dest='cppcheck_std_c',
-		default='c99', action='store',
-		help='cppcheck standard to use when checking C (default=c99)')
-
-	opt.add_option('--cppcheck-std-cxx', dest='cppcheck_std_cxx',
-		default='c++03', action='store',
-		help='cppcheck standard to use when checking C++ (default=c++03)')
-
-	opt.add_option('--cppcheck-check-config', dest='cppcheck_check_config',
-		default=False, action='store_true',
-		help='forced check for missing buildin include files, e.g. stdio.h (default=False)')
-
-	opt.add_option('--cppcheck-max-configs', dest='cppcheck_max_configs',
-		default='20', action='store',
-		help='maximum preprocessor (--max-configs) define iterations (default=20)')
-
-	opt.add_option('--cppcheck-jobs', dest='cppcheck_jobs',
-		default='1', action='store',
-		help='number of jobs (-j) to do the checking work (default=1)')
-
-def configure(conf):
-	if conf.options.cppcheck_skip:
-		conf.env.CPPCHECK_SKIP = [True]
-	conf.env.CPPCHECK_STD_C = conf.options.cppcheck_std_c
-	conf.env.CPPCHECK_STD_CXX = conf.options.cppcheck_std_cxx
-	conf.env.CPPCHECK_MAX_CONFIGS = conf.options.cppcheck_max_configs
-	conf.env.CPPCHECK_BIN_ENABLE = conf.options.cppcheck_bin_enable
-	conf.env.CPPCHECK_LIB_ENABLE = conf.options.cppcheck_lib_enable
-	conf.env.CPPCHECK_JOBS = conf.options.cppcheck_jobs
-	if conf.options.cppcheck_jobs != '1' and ('unusedFunction' in conf.options.cppcheck_bin_enable or 'unusedFunction' in conf.options.cppcheck_lib_enable or 'all' in conf.options.cppcheck_bin_enable or 'all' in conf.options.cppcheck_lib_enable):
-		Logs.warn('cppcheck: unusedFunction cannot be used with multiple threads, cppcheck will disable it automatically')
-	conf.find_program('cppcheck', var='CPPCHECK')
-
-	# set to True to get a single index.html file
-	conf.env.CPPCHECK_SINGLE_HTML = False
-
-@TaskGen.feature('c')
-@TaskGen.feature('cxx')
-def cppcheck_execute(self):
-	if hasattr(self.bld, 'conf'):
-		return
-	if len(self.env.CPPCHECK_SKIP) or Options.options.cppcheck_skip:
-		return
-	if getattr(self, 'cppcheck_skip', False):
-		return
-	task = self.create_task('cppcheck')
-	task.cmd = _tgen_create_cmd(self)
-	task.fatal = []
-	if not Options.options.cppcheck_err_resume:
-		task.fatal.append('error')
-
-
-def _tgen_create_cmd(self):
-	features = getattr(self, 'features', [])
-	std_c = self.env.CPPCHECK_STD_C
-	std_cxx = self.env.CPPCHECK_STD_CXX
-	max_configs = self.env.CPPCHECK_MAX_CONFIGS
-	bin_enable = self.env.CPPCHECK_BIN_ENABLE
-	lib_enable = self.env.CPPCHECK_LIB_ENABLE
-	jobs = self.env.CPPCHECK_JOBS
-
-	cmd  = self.env.CPPCHECK
-	args = ['--inconclusive','--report-progress','--verbose','--xml','--xml-version=2']
-	args.append('--max-configs=%s' % max_configs)
-	args.append('-j %s' % jobs)
-
-	if 'cxx' in features:
-		args.append('--language=c++')
-		args.append('--std=%s' % std_cxx)
-	else:
-		args.append('--language=c')
-		args.append('--std=%s' % std_c)
-
-	if Options.options.cppcheck_check_config:
-		args.append('--check-config')
-
-	if set(['cprogram','cxxprogram']) & set(features):
-		args.append('--enable=%s' % bin_enable)
-	else:
-		args.append('--enable=%s' % lib_enable)
-
-	for src in self.to_list(getattr(self, 'source', [])):
-		if not isinstance(src, str):
-			src = repr(src)
-		args.append(src)
-	for inc in self.to_incnodes(self.to_list(getattr(self, 'includes', []))):
-		if not isinstance(inc, str):
-			inc = repr(inc)
-		args.append('-I%s' % inc)
-	for inc in self.to_incnodes(self.to_list(self.env.INCLUDES)):
-		if not isinstance(inc, str):
-			inc = repr(inc)
-		args.append('-I%s' % inc)
-	return cmd + args
-
-
-class cppcheck(Task.Task):
-	quiet = True
-
-	def run(self):
-		stderr = self.generator.bld.cmd_and_log(self.cmd, quiet=Context.STDERR, output=Context.STDERR)
-		self._save_xml_report(stderr)
-		defects = self._get_defects(stderr)
-		index = self._create_html_report(defects)
-		self._errors_evaluate(defects, index)
-		return 0
-
-	def _save_xml_report(self, s):
-		'''use cppcheck xml result string, add the command string used to invoke cppcheck
-		and save as xml file.
-		'''
-		header = '%s\n' % s.splitlines()[0]
-		root = ElementTree.fromstring(s)
-		cmd = ElementTree.SubElement(root.find('cppcheck'), 'cmd')
-		cmd.text = str(self.cmd)
-		body = ElementTree.tostring(root).decode('us-ascii')
-		body_html_name = 'cppcheck-%s.xml' % self.generator.get_name()
-		if self.env.CPPCHECK_SINGLE_HTML:
-			body_html_name = 'cppcheck.xml'
-		node = self.generator.path.get_bld().find_or_declare(body_html_name)
-		node.write(header + body)
-
-	def _get_defects(self, xml_string):
-		'''evaluate the xml string returned by cppcheck (on sdterr) and use it to create
-		a list of defects.
-		'''
-		defects = []
-		for error in ElementTree.fromstring(xml_string).iter('error'):
-			defect = {}
-			defect['id'] = error.get('id')
-			defect['severity'] = error.get('severity')
-			defect['msg'] = str(error.get('msg')).replace('<','&lt;')
-			defect['verbose'] = error.get('verbose')
-			for location in error.findall('location'):
-				defect['file'] = location.get('file')
-				defect['line'] = str(int(location.get('line')) - 1)
-			defects.append(defect)
-		return defects
-
-	def _create_html_report(self, defects):
-		files, css_style_defs = self._create_html_files(defects)
-		index = self._create_html_index(files)
-		self._create_css_file(css_style_defs)
-		return index
-
-	def _create_html_files(self, defects):
-		sources = {}
-		defects = [defect for defect in defects if 'file' in defect]
-		for defect in defects:
-			name = defect['file']
-			if not name in sources:
-				sources[name] = [defect]
-			else:
-				sources[name].append(defect)
-
-		files = {}
-		css_style_defs = None
-		bpath = self.generator.path.get_bld().abspath()
-		names = list(sources.keys())
-		for i in range(0,len(names)):
-			name = names[i]
-			if self.env.CPPCHECK_SINGLE_HTML:
-				htmlfile = 'cppcheck/%i.html' % (i)
-			else:
-				htmlfile = 'cppcheck/%s%i.html' % (self.generator.get_name(),i)
-			errors = sources[name]
-			files[name] = { 'htmlfile': '%s/%s' % (bpath, htmlfile), 'errors': errors }
-			css_style_defs = self._create_html_file(name, htmlfile, errors)
-		return files, css_style_defs
-
-	def _create_html_file(self, sourcefile, htmlfile, errors):
-		name = self.generator.get_name()
-		root = ElementTree.fromstring(CPPCHECK_HTML_FILE)
-		title = root.find('head/title')
-		title.text = 'cppcheck - report - %s' % name
-
-		body = root.find('body')
-		for div in body.findall('div'):
-			if div.get('id') == 'page':
-				page = div
-				break
-		for div in page.findall('div'):
-			if div.get('id') == 'header':
-				h1 = div.find('h1')
-				h1.text = 'cppcheck report - %s' % name
-			if div.get('id') == 'menu':
-				indexlink = div.find('a')
-				if self.env.CPPCHECK_SINGLE_HTML:
-					indexlink.attrib['href'] = 'index.html'
-				else:
-					indexlink.attrib['href'] = 'index-%s.html' % name
-			if div.get('id') == 'content':
-				content = div
-				srcnode = self.generator.bld.root.find_node(sourcefile)
-				hl_lines = [e['line'] for e in errors if 'line' in e]
-				formatter = CppcheckHtmlFormatter(linenos=True, style='colorful', hl_lines=hl_lines, lineanchors='line')
-				formatter.errors = [e for e in errors if 'line' in e]
-				css_style_defs = formatter.get_style_defs('.highlight')
-				lexer = pygments.lexers.guess_lexer_for_filename(sourcefile, "")
-				s = pygments.highlight(srcnode.read(), lexer, formatter)
-				table = ElementTree.fromstring(s)
-				content.append(table)
-
-		s = ElementTree.tostring(root, method='html').decode('us-ascii')
-		s = CCPCHECK_HTML_TYPE + s
-		node = self.generator.path.get_bld().find_or_declare(htmlfile)
-		node.write(s)
-		return css_style_defs
-
-	def _create_html_index(self, files):
-		name = self.generator.get_name()
-		root = ElementTree.fromstring(CPPCHECK_HTML_FILE)
-		title = root.find('head/title')
-		title.text = 'cppcheck - report - %s' % name
-
-		body = root.find('body')
-		for div in body.findall('div'):
-			if div.get('id') == 'page':
-				page = div
-				break
-		for div in page.findall('div'):
-			if div.get('id') == 'header':
-				h1 = div.find('h1')
-				h1.text = 'cppcheck report - %s' % name
-			if div.get('id') == 'content':
-				content = div
-				self._create_html_table(content, files)
-			if div.get('id') == 'menu':
-				indexlink = div.find('a')
-				if self.env.CPPCHECK_SINGLE_HTML:
-					indexlink.attrib['href'] = 'index.html'
-				else:
-					indexlink.attrib['href'] = 'index-%s.html' % name
-
-		s = ElementTree.tostring(root, method='html').decode('us-ascii')
-		s = CCPCHECK_HTML_TYPE + s
-		index_html_name = 'cppcheck/index-%s.html' % name
-		if self.env.CPPCHECK_SINGLE_HTML:
-			index_html_name = 'cppcheck/index.html'
-		node = self.generator.path.get_bld().find_or_declare(index_html_name)
-		node.write(s)
-		return node
-
-	def _create_html_table(self, content, files):
-		table = ElementTree.fromstring(CPPCHECK_HTML_TABLE)
-		for name, val in files.items():
-			f = val['htmlfile']
-			s = '<tr><td colspan="4"><a href="%s">%s</a></td></tr>\n' % (f,name)
-			row = ElementTree.fromstring(s)
-			table.append(row)
-
-			errors = sorted(val['errors'], key=lambda e: int(e['line']) if 'line' in e else sys.maxint)
-			for e in errors:
-				if not 'line' in e:
-					s = '<tr><td></td><td>%s</td><td>%s</td><td>%s</td></tr>\n' % (e['id'], e['severity'], e['msg'])
-				else:
-					attr = ''
-					if e['severity'] == 'error':
-						attr = 'class="error"'
-					s = '<tr><td><a href="%s#line-%s">%s</a></td>' % (f, e['line'], e['line'])
-					s+= '<td>%s</td><td>%s</td><td %s>%s</td></tr>\n' % (e['id'], e['severity'], attr, e['msg'])
-				row = ElementTree.fromstring(s)
-				table.append(row)
-		content.append(table)
-
-	def _create_css_file(self, css_style_defs):
-		css = str(CPPCHECK_CSS_FILE)
-		if css_style_defs:
-			css = "%s\n%s\n" % (css, css_style_defs)
-		node = self.generator.path.get_bld().find_or_declare('cppcheck/style.css')
-		node.write(css)
-
-	def _errors_evaluate(self, errors, http_index):
-		name = self.generator.get_name()
-		fatal = self.fatal
-		severity = [err['severity'] for err in errors]
-		problems = [err for err in errors if err['severity'] != 'information']
-
-		if set(fatal) & set(severity):
-			exc  = "\n"
-			exc += "\nccpcheck detected fatal error(s) in task '%s', see report for details:" % name
-			exc += "\n    file://%r" % (http_index)
-			exc += "\n"
-			self.generator.bld.fatal(exc)
-
-		elif len(problems):
-			msg =  "\nccpcheck detected (possible) problem(s) in task '%s', see report for details:" % name
-			msg += "\n    file://%r" % http_index
-			msg += "\n"
-			Logs.error(msg)
-
-
-class CppcheckHtmlFormatter(pygments.formatters.HtmlFormatter):
-	errors = []
-
-	def wrap(self, source, outfile):
-		line_no = 1
-		for i, t in super(CppcheckHtmlFormatter, self).wrap(source, outfile):
-			# If this is a source code line we want to add a span tag at the end.
-			if i == 1:
-				for error in self.errors:
-					if int(error['line']) == line_no:
-						t = t.replace('\n', CPPCHECK_HTML_ERROR % error['msg'])
-				line_no += 1
-			yield i, t
-
-
-CCPCHECK_HTML_TYPE = \
-'<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01//EN" "http://www.w3.org/TR/html4/strict.dtd">\n'
-
-CPPCHECK_HTML_FILE = """
-<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01//EN" "http://www.w3.org/TR/html4/strict.dtd" [<!ENTITY nbsp "&#160;">]>
-<html>
-	<head>
-		<title>cppcheck - report - XXX</title>
-		<link href="style.css" rel="stylesheet" type="text/css" />
-		<style type="text/css">
-		</style>
-	</head>
-	<body class="body">
-		<div id="page-header">&nbsp;</div>
-		<div id="page">
-			<div id="header">
-				<h1>cppcheck report - XXX</h1>
-			</div>
-			<div id="menu">
-				<a href="index.html">Defect list</a>
-			</div>
-			<div id="content">
-			</div>
-			<div id="footer">
-				<div>cppcheck - a tool for static C/C++ code analysis</div>
-				<div>
-				Internet: <a href="http://cppcheck.sourceforge.net">http://cppcheck.sourceforge.net</a><br/>
-          		Forum: <a href="http://apps.sourceforge.net/phpbb/cppcheck/">http://apps.sourceforge.net/phpbb/cppcheck/</a><br/>
-				IRC: #cppcheck at irc.freenode.net
-				</div>
-				&nbsp;
-			</div>
-		&nbsp;
-		</div>
-		<div id="page-footer">&nbsp;</div>
-	</body>
-</html>
-"""
-
-CPPCHECK_HTML_TABLE = """
-<table>
-	<tr>
-		<th>Line</th>
-		<th>Id</th>
-		<th>Severity</th>
-		<th>Message</th>
-	</tr>
-</table>
-"""
-
-CPPCHECK_HTML_ERROR = \
-'<span style="background: #ffaaaa;padding: 3px;">&lt;--- %s</span>\n'
-
-CPPCHECK_CSS_FILE = """
-body.body {
-	font-family: Arial;
-	font-size: 13px;
-	background-color: black;
-	padding: 0px;
-	margin: 0px;
-}
-
-.error {
-	font-family: Arial;
-	font-size: 13px;
-	background-color: #ffb7b7;
-	padding: 0px;
-	margin: 0px;
-}
-
-th, td {
-	min-width: 100px;
-	text-align: left;
-}
-
-#page-header {
-	clear: both;
-	width: 1200px;
-	margin: 20px auto 0px auto;
-	height: 10px;
-	border-bottom-width: 2px;
-	border-bottom-style: solid;
-	border-bottom-color: #aaaaaa;
-}
-
-#page {
-	width: 1160px;
-	margin: auto;
-	border-left-width: 2px;
-	border-left-style: solid;
-	border-left-color: #aaaaaa;
-	border-right-width: 2px;
-	border-right-style: solid;
-	border-right-color: #aaaaaa;
-	background-color: White;
-	padding: 20px;
-}
-
-#page-footer {
-	clear: both;
-	width: 1200px;
-	margin: auto;
-	height: 10px;
-	border-top-width: 2px;
-	border-top-style: solid;
-	border-top-color: #aaaaaa;
-}
-
-#header {
-	width: 100%;
-	height: 70px;
-	background-image: url(logo.png);
-	background-repeat: no-repeat;
-	background-position: left top;
-	border-bottom-style: solid;
-	border-bottom-width: thin;
-	border-bottom-color: #aaaaaa;
-}
-
-#menu {
-	margin-top: 5px;
-	text-align: left;
-	float: left;
-	width: 100px;
-	height: 300px;
-}
-
-#menu > a {
-	margin-left: 10px;
-	display: block;
-}
-
-#content {
-	float: left;
-	width: 1020px;
-	margin: 5px;
-	padding: 0px 10px 10px 10px;
-	border-left-style: solid;
-	border-left-width: thin;
-	border-left-color: #aaaaaa;
-}
-
-#footer {
-	padding-bottom: 5px;
-	padding-top: 5px;
-	border-top-style: solid;
-	border-top-width: thin;
-	border-top-color: #aaaaaa;
-	clear: both;
-	font-size: 10px;
-}
-
-#footer > div {
-	float: left;
-	width: 33%;
-}
-
-"""
-
diff --git a/waflib/extras/cpplint.py b/waflib/extras/cpplint.py
deleted file mode 100644
index 8cdd6dda..00000000
--- a/waflib/extras/cpplint.py
+++ /dev/null
@@ -1,209 +0,0 @@
-#! /usr/bin/env python
-# encoding: utf-8
-#
-# written by Sylvain Rouquette, 2014
-
-'''
-
-This is an extra tool, not bundled with the default waf binary.
-To add the cpplint tool to the waf file:
-$ ./waf-light --tools=compat15,cpplint
-
-this tool also requires cpplint for python.
-If you have PIP, you can install it like this: pip install cpplint
-
-When using this tool, the wscript will look like:
-
-    def options(opt):
-        opt.load('compiler_cxx cpplint')
-
-    def configure(conf):
-        conf.load('compiler_cxx cpplint')
-        # optional, you can also specify them on the command line
-        conf.env.CPPLINT_FILTERS = ','.join((
-            '-whitespace/newline',      # c++11 lambda
-            '-readability/braces',      # c++11 constructor
-            '-whitespace/braces',       # c++11 constructor
-            '-build/storage_class',     # c++11 for-range
-            '-whitespace/blank_line',   # user pref
-            '-whitespace/labels'        # user pref
-            ))
-
-    def build(bld):
-        bld(features='cpplint', source='main.cpp', target='app')
-        # add include files, because they aren't usually built
-        bld(features='cpplint', source=bld.path.ant_glob('**/*.hpp'))
-'''
-
-from __future__ import absolute_import
-import sys, re
-import logging
-from waflib import Errors, Task, TaskGen, Logs, Options, Node, Utils
-
-
-critical_errors = 0
-CPPLINT_FORMAT = '[CPPLINT] %(filename)s:\nline %(linenum)s, severity %(confidence)s, category: %(category)s\n%(message)s\n'
-RE_EMACS = re.compile(r'(?P<filename>.*):(?P<linenum>\d+):  (?P<message>.*)  \[(?P<category>.*)\] \[(?P<confidence>\d+)\]')
-CPPLINT_RE = {
-    'waf': RE_EMACS,
-    'emacs': RE_EMACS,
-    'vs7': re.compile(r'(?P<filename>.*)\((?P<linenum>\d+)\):  (?P<message>.*)  \[(?P<category>.*)\] \[(?P<confidence>\d+)\]'),
-    'eclipse': re.compile(r'(?P<filename>.*):(?P<linenum>\d+): warning: (?P<message>.*)  \[(?P<category>.*)\] \[(?P<confidence>\d+)\]'),
-}
-CPPLINT_STR = ('${CPPLINT} '
-               '--verbose=${CPPLINT_LEVEL} '
-               '--output=${CPPLINT_OUTPUT} '
-               '--filter=${CPPLINT_FILTERS} '
-               '--root=${CPPLINT_ROOT} '
-               '--linelength=${CPPLINT_LINE_LENGTH} ')
-
-
-def options(opt):
-    opt.add_option('--cpplint-filters', type='string',
-                   default='', dest='CPPLINT_FILTERS',
-                   help='add filters to cpplint')
-    opt.add_option('--cpplint-length', type='int',
-                   default=80, dest='CPPLINT_LINE_LENGTH',
-                   help='specify the line length (default: 80)')
-    opt.add_option('--cpplint-level', default=1, type='int', dest='CPPLINT_LEVEL',
-                   help='specify the log level (default: 1)')
-    opt.add_option('--cpplint-break', default=5, type='int', dest='CPPLINT_BREAK',
-                   help='break the build if error >= level (default: 5)')
-    opt.add_option('--cpplint-root', type='string',
-                   default='', dest='CPPLINT_ROOT',
-                   help='root directory used to derive header guard')
-    opt.add_option('--cpplint-skip', action='store_true',
-                   default=False, dest='CPPLINT_SKIP',
-                   help='skip cpplint during build')
-    opt.add_option('--cpplint-output', type='string',
-                   default='waf', dest='CPPLINT_OUTPUT',
-                   help='select output format (waf, emacs, vs7, eclipse)')
-
-
-def configure(conf):
-    try:
-        conf.find_program('cpplint', var='CPPLINT')
-    except Errors.ConfigurationError:
-        conf.env.CPPLINT_SKIP = True
-
-
-class cpplint_formatter(Logs.formatter, object):
-    def __init__(self, fmt):
-        logging.Formatter.__init__(self, CPPLINT_FORMAT)
-        self.fmt = fmt
-
-    def format(self, rec):
-        if self.fmt == 'waf':
-            result = CPPLINT_RE[self.fmt].match(rec.msg).groupdict()
-            rec.msg = CPPLINT_FORMAT % result
-        if rec.levelno <= logging.INFO:
-            rec.c1 = Logs.colors.CYAN
-        return super(cpplint_formatter, self).format(rec)
-
-
-class cpplint_handler(Logs.log_handler, object):
-    def __init__(self, stream=sys.stderr, **kw):
-        super(cpplint_handler, self).__init__(stream, **kw)
-        self.stream = stream
-
-    def emit(self, rec):
-        rec.stream = self.stream
-        self.emit_override(rec)
-        self.flush()
-
-
-class cpplint_wrapper(object):
-    def __init__(self, logger, threshold, fmt):
-        self.logger = logger
-        self.threshold = threshold
-        self.fmt = fmt
-
-    def __enter__(self):
-        return self
-
-    def __exit__(self, exc_type, exc_value, traceback):
-        if isinstance(exc_value, Utils.subprocess.CalledProcessError):
-            messages = [m for m in exc_value.output.splitlines() 
-                        if 'Done processing' not in m 
-                        and 'Total errors found' not in m]
-            for message in messages:
-                self.write(message)
-            return True
-
-    def write(self, message):
-        global critical_errors
-        result = CPPLINT_RE[self.fmt].match(message)
-        if not result:
-            return
-        level = int(result.groupdict()['confidence'])
-        if level >= self.threshold:
-            critical_errors += 1
-        if level <= 2:
-            self.logger.info(message)
-        elif level <= 4:
-            self.logger.warning(message)
-        else:
-            self.logger.error(message)
-
-
-cpplint_logger = None
-def get_cpplint_logger(fmt):
-    global cpplint_logger
-    if cpplint_logger:
-        return cpplint_logger
-    cpplint_logger = logging.getLogger('cpplint')
-    hdlr = cpplint_handler()
-    hdlr.setFormatter(cpplint_formatter(fmt))
-    cpplint_logger.addHandler(hdlr)
-    cpplint_logger.setLevel(logging.DEBUG)
-    return cpplint_logger
-
-
-class cpplint(Task.Task):
-    color = 'PINK'
-
-    def __init__(self, *k, **kw):
-        super(cpplint, self).__init__(*k, **kw)
-
-    def run(self):
-        global critical_errors
-        with cpplint_wrapper(get_cpplint_logger(self.env.CPPLINT_OUTPUT), self.env.CPPLINT_BREAK, self.env.CPPLINT_OUTPUT):
-            params = {key: str(self.env[key]) for key in self.env if 'CPPLINT_' in key}
-            if params['CPPLINT_OUTPUT'] is 'waf':
-                params['CPPLINT_OUTPUT'] = 'emacs'
-            params['CPPLINT'] = self.env.get_flat('CPPLINT')
-            cmd = Utils.subst_vars(CPPLINT_STR, params)
-            env = self.env.env or None
-            Utils.subprocess.check_output(cmd + self.inputs[0].abspath(),
-                                          stderr=Utils.subprocess.STDOUT,
-                                          env=env, shell=True)
-        return critical_errors
-
-@TaskGen.extension('.h', '.hh', '.hpp', '.hxx')
-def cpplint_includes(self, node):
-    pass
-
-@TaskGen.feature('cpplint')
-@TaskGen.before_method('process_source')
-def post_cpplint(self):
-    if not self.env.CPPLINT_INITIALIZED:
-        for key, value in Options.options.__dict__.items():
-            if not key.startswith('CPPLINT_') or self.env[key]:
-                continue
-            self.env[key] = value
-        self.env.CPPLINT_INITIALIZED = True
-
-    if self.env.CPPLINT_SKIP:
-        return
-
-    if not self.env.CPPLINT_OUTPUT in CPPLINT_RE:
-        return
-
-    for src in self.to_list(getattr(self, 'source', [])):
-        if isinstance(src, Node.Node):
-            node = src
-        else:
-            node = self.path.find_or_declare(src)
-        if not node:
-            self.bld.fatal('Could not find %r' % src)
-        self.create_task('cpplint', node)
diff --git a/waflib/extras/cross_gnu.py b/waflib/extras/cross_gnu.py
deleted file mode 100644
index 309f53b0..00000000
--- a/waflib/extras/cross_gnu.py
+++ /dev/null
@@ -1,227 +0,0 @@
-#!/usr/bin/python
-# -*- coding: utf-8 vi:ts=4:noexpandtab
-# Tool to provide dedicated variables for cross-compilation
-
-__author__ = __maintainer__ = "Jérôme Carretero <cJ-waf@zougloub.eu>"
-__copyright__ = "Jérôme Carretero, 2014"
-
-"""
-This tool allows to use environment variables to define cross-compilation
-variables intended for build variants.
-
-The variables are obtained from the environment in 3 ways:
-
-1. By defining CHOST, they can be derived as ${CHOST}-${TOOL}
-2. By defining HOST_x
-3. By defining ${CHOST//-/_}_x
-
-else one can set ``cfg.env.CHOST`` in ``wscript`` before loading ``cross_gnu``.
-
-Usage:
-
-- In your build script::
-
-	def configure(cfg):
-		...
-		for variant in x_variants:
-			setenv(variant)
-			conf.load('cross_gnu')
-			conf.xcheck_host_var('POUET')
-			...
-
-
-- Then::
-
-	CHOST=arm-hardfloat-linux-gnueabi waf configure
-	env arm-hardfloat-linux-gnueabi-CC="clang -..." waf configure
-	CFLAGS=... CHOST=arm-hardfloat-linux-gnueabi HOST_CFLAGS=-g waf configure
-	HOST_CC="clang -..." waf configure
-
-This example ``wscript`` compiles to Microchip PIC (xc16-gcc-xyz must be in PATH):
-
-.. code:: python
-
-		from waflib import Configure
-
-		#from https://gist.github.com/rpuntaie/2bddfb5d7b77db26415ee14371289971
-		import waf_variants
-
-		variants='pc fw/variant1 fw/variant2'.split()
-
-		top = "."
-		out = "../build"
-
-		PIC = '33FJ128GP804' #dsPICxxx
-
-		@Configure.conf
-		def gcc_modifier_xc16(cfg):
-				v = cfg.env
-				v.cprogram_PATTERN = '%s.elf'
-				v.LINKFLAGS_cprogram = ','.join(['-Wl','','','--defsym=__MPLAB_BUILD=0','','--script=p'+PIC+'.gld',
-						'--stack=16','--check-sections','--data-init','--pack-data','--handles','--isr','--no-gc-sections',
-						'--fill-upper=0','--stackguard=16','--no-force-link','--smart-io']) #,'--report-mem'])
-				v.CFLAGS_cprogram=['-mcpu='+PIC,'-omf=elf','-mlarge-code','-msmart-io=1',
-						'-msfr-warn=off','-mno-override-inline','-finline','-Winline']
-
-		def configure(cfg):
-				if 'fw' in cfg.variant: #firmware
-						cfg.env.DEST_OS = 'xc16' #cfg.env.CHOST = 'xc16' #works too
-						cfg.load('c cross_gnu') #cfg.env.CHOST becomes ['xc16']
-						...
-				else: #configure for pc SW
-						...
-
-		def build(bld):
-				if 'fw' in bld.variant: #firmware
-						bld.program(source='maintst.c', target='maintst');
-						bld(source='maintst.elf', target='maintst.hex', rule="xc16-bin2hex ${SRC} -a -omf=elf")
-				else: #build for pc SW
-						...
-
-"""
-
-import os
-from waflib import Utils, Configure
-from waflib.Tools import ccroot, gcc
-
-try:
-	from shlex import quote
-except ImportError:
-	from pipes import quote
-
-def get_chost_stuff(conf):
-	"""
-	Get the CHOST environment variable contents
-	"""
-	chost = None
-	chost_envar = None
-	if conf.env.CHOST:
-		chost = conf.env.CHOST[0]
-		chost_envar = chost.replace('-', '_')
-	return chost, chost_envar
-
-
-@Configure.conf
-def xcheck_var(conf, name, wafname=None, cross=False):
-	wafname = wafname or name
-
-	if wafname in conf.env:
-		value = conf.env[wafname]
-		if isinstance(value, str):
-			value = [value]
-	else:
-		envar = os.environ.get(name)
-		if not envar:
-			return
-		value = Utils.to_list(envar) if envar != '' else [envar]
-
-	conf.env[wafname] = value
-	if cross:
-		pretty = 'cross-compilation %s' % wafname
-	else:
-		pretty = wafname
-	conf.msg('Will use %s' % pretty, " ".join(quote(x) for x in value))
-
-@Configure.conf
-def xcheck_host_prog(conf, name, tool, wafname=None):
-	wafname = wafname or name
-
-	chost, chost_envar = get_chost_stuff(conf)
-
-	specific = None
-	if chost:
-		specific = os.environ.get('%s_%s' % (chost_envar, name))
-
-	if specific:
-		value = Utils.to_list(specific)
-		conf.env[wafname] += value
-		conf.msg('Will use cross-compilation %s from %s_%s' % (name, chost_envar, name),
-		 " ".join(quote(x) for x in value))
-		return
-	else:
-		envar = os.environ.get('HOST_%s' % name)
-		if envar is not None:
-			value = Utils.to_list(envar)
-			conf.env[wafname] = value
-			conf.msg('Will use cross-compilation %s from HOST_%s' % (name, name),
-			 " ".join(quote(x) for x in value))
-			return
-
-	if conf.env[wafname]:
-		return
-
-	value = None
-	if chost:
-		value = '%s-%s' % (chost, tool)
-
-	if value:
-		conf.env[wafname] = value
-		conf.msg('Will use cross-compilation %s from CHOST' % wafname, value)
-
-@Configure.conf
-def xcheck_host_envar(conf, name, wafname=None):
-	wafname = wafname or name
-
-	chost, chost_envar = get_chost_stuff(conf)
-
-	specific = None
-	if chost:
-		specific = os.environ.get('%s_%s' % (chost_envar, name))
-
-	if specific:
-		value = Utils.to_list(specific)
-		conf.env[wafname] += value
-		conf.msg('Will use cross-compilation %s from %s_%s' \
-		 % (name, chost_envar, name),
-		 " ".join(quote(x) for x in value))
-		return
-
-
-	envar = os.environ.get('HOST_%s' % name)
-	if envar is None:
-		return
-
-	value = Utils.to_list(envar) if envar != '' else [envar]
-
-	conf.env[wafname] = value
-	conf.msg('Will use cross-compilation %s from HOST_%s' % (name, name),
-	 " ".join(quote(x) for x in value))
-
-
-@Configure.conf
-def xcheck_host(conf):
-	conf.xcheck_var('CHOST', cross=True)
-	conf.env.CHOST = conf.env.CHOST or [conf.env.DEST_OS]
-	conf.env.DEST_OS = conf.env.CHOST[0].replace('-','_')
-	conf.xcheck_host_prog('CC', 'gcc')
-	conf.xcheck_host_prog('CXX', 'g++')
-	conf.xcheck_host_prog('LINK_CC', 'gcc')
-	conf.xcheck_host_prog('LINK_CXX', 'g++')
-	conf.xcheck_host_prog('AR', 'ar')
-	conf.xcheck_host_prog('AS', 'as')
-	conf.xcheck_host_prog('LD', 'ld')
-	conf.xcheck_host_envar('CFLAGS')
-	conf.xcheck_host_envar('CXXFLAGS')
-	conf.xcheck_host_envar('LDFLAGS', 'LINKFLAGS')
-	conf.xcheck_host_envar('LIB')
-	conf.xcheck_host_envar('PKG_CONFIG_LIBDIR')
-	conf.xcheck_host_envar('PKG_CONFIG_PATH')
-
-	if not conf.env.env:
-		conf.env.env = {}
-		conf.env.env.update(os.environ)
-	if conf.env.PKG_CONFIG_LIBDIR:
-		conf.env.env['PKG_CONFIG_LIBDIR'] = conf.env.PKG_CONFIG_LIBDIR[0]
-	if conf.env.PKG_CONFIG_PATH:
-		conf.env.env['PKG_CONFIG_PATH'] = conf.env.PKG_CONFIG_PATH[0]
-
-def configure(conf):
-	"""
-	Configuration example for gcc, it will not work for g++/clang/clang++
-	"""
-	conf.xcheck_host()
-	conf.gcc_common_flags()
-	conf.gcc_modifier_platform()
-	conf.cc_load_tools()
-	conf.cc_add_flags()
-	conf.link_add_flags()
diff --git a/waflib/extras/cython.py b/waflib/extras/cython.py
deleted file mode 100644
index 591c274d..00000000
--- a/waflib/extras/cython.py
+++ /dev/null
@@ -1,147 +0,0 @@
-#! /usr/bin/env python
-# encoding: utf-8
-# Thomas Nagy, 2010-2015
-
-import re
-from waflib import Task, Logs
-from waflib.TaskGen import extension
-
-cy_api_pat = re.compile(r'\s*?cdef\s*?(public|api)\w*')
-re_cyt = re.compile(r"""
-	^\s*                           # must begin with some whitespace characters
-	(?:from\s+(\w+)(?:\.\w+)*\s+)? # optionally match "from foo(.baz)" and capture foo
-	c?import\s(\w+|[*])            # require "import bar" and capture bar
-	""", re.M | re.VERBOSE)
-
-@extension('.pyx')
-def add_cython_file(self, node):
-	"""
-	Process a *.pyx* file given in the list of source files. No additional
-	feature is required::
-
-		def build(bld):
-			bld(features='c cshlib pyext', source='main.c foo.pyx', target='app')
-	"""
-	ext = '.c'
-	if 'cxx' in self.features:
-		self.env.append_unique('CYTHONFLAGS', '--cplus')
-		ext = '.cc'
-
-	for x in getattr(self, 'cython_includes', []):
-		# TODO re-use these nodes in "scan" below
-		d = self.path.find_dir(x)
-		if d:
-			self.env.append_unique('CYTHONFLAGS', '-I%s' % d.abspath())
-
-	tsk = self.create_task('cython', node, node.change_ext(ext))
-	self.source += tsk.outputs
-
-class cython(Task.Task):
-	run_str = '${CYTHON} ${CYTHONFLAGS} -o ${TGT[0].abspath()} ${SRC}'
-	color   = 'GREEN'
-
-	vars    = ['INCLUDES']
-	"""
-	Rebuild whenever the INCLUDES change. The variables such as CYTHONFLAGS will be appended
-	by the metaclass.
-	"""
-
-	ext_out = ['.h']
-	"""
-	The creation of a .h file is known only after the build has begun, so it is not
-	possible to compute a build order just by looking at the task inputs/outputs.
-	"""
-
-	def runnable_status(self):
-		"""
-		Perform a double-check to add the headers created by cython
-		to the output nodes. The scanner is executed only when the cython task
-		must be executed (optimization).
-		"""
-		ret = super(cython, self).runnable_status()
-		if ret == Task.ASK_LATER:
-			return ret
-		for x in self.generator.bld.raw_deps[self.uid()]:
-			if x.startswith('header:'):
-				self.outputs.append(self.inputs[0].parent.find_or_declare(x.replace('header:', '')))
-		return super(cython, self).runnable_status()
-
-	def post_run(self):
-		for x in self.outputs:
-			if x.name.endswith('.h'):
-				if not x.exists():
-					if Logs.verbose:
-						Logs.warn('Expected %r', x.abspath())
-					x.write('')
-		return Task.Task.post_run(self)
-
-	def scan(self):
-		"""
-		Return the dependent files (.pxd) by looking in the include folders.
-		Put the headers to generate in the custom list "bld.raw_deps".
-		To inspect the scanne results use::
-
-			$ waf clean build --zones=deps
-		"""
-		node = self.inputs[0]
-		txt = node.read()
-
-		mods = set()
-		for m in re_cyt.finditer(txt):
-			if m.group(1):  # matches "from foo import bar"
-				mods.add(m.group(1))
-			else:
-				mods.add(m.group(2))
-
-		Logs.debug('cython: mods %r', mods)
-		incs = getattr(self.generator, 'cython_includes', [])
-		incs = [self.generator.path.find_dir(x) for x in incs]
-		incs.append(node.parent)
-
-		found = []
-		missing = []
-		for x in sorted(mods):
-			for y in incs:
-				k = y.find_resource(x + '.pxd')
-				if k:
-					found.append(k)
-					break
-			else:
-				missing.append(x)
-
-		# the cython file implicitly depends on a pxd file that might be present
-		implicit = node.parent.find_resource(node.name[:-3] + 'pxd')
-		if implicit:
-			found.append(implicit)
-
-		Logs.debug('cython: found %r', found)
-
-		# Now the .h created - store them in bld.raw_deps for later use
-		has_api = False
-		has_public = False
-		for l in txt.splitlines():
-			if cy_api_pat.match(l):
-				if ' api ' in l:
-					has_api = True
-				if ' public ' in l:
-					has_public = True
-		name = node.name.replace('.pyx', '')
-		if has_api:
-			missing.append('header:%s_api.h' % name)
-		if has_public:
-			missing.append('header:%s.h' % name)
-
-		return (found, missing)
-
-def options(ctx):
-	ctx.add_option('--cython-flags', action='store', default='', help='space separated list of flags to pass to cython')
-
-def configure(ctx):
-	if not ctx.env.CC and not ctx.env.CXX:
-		ctx.fatal('Load a C/C++ compiler first')
-	if not ctx.env.PYTHON:
-		ctx.fatal('Load the python tool first!')
-	ctx.find_program('cython', var='CYTHON')
-	if hasattr(ctx.options, 'cython_flags'):
-		ctx.env.CYTHONFLAGS = ctx.options.cython_flags
-
diff --git a/waflib/extras/dcc.py b/waflib/extras/dcc.py
deleted file mode 100644
index c1a57c04..00000000
--- a/waflib/extras/dcc.py
+++ /dev/null
@@ -1,72 +0,0 @@
-#!/usr/bin/env python
-# encoding: utf-8
-# Jérôme Carretero, 2011 (zougloub)
-
-from waflib import Options
-from waflib.Tools import ccroot
-from waflib.Configure import conf
-
-@conf
-def find_dcc(conf):
-	conf.find_program(['dcc'], var='CC', path_list=getattr(Options.options, 'diabbindir', ""))
-	conf.env.CC_NAME = 'dcc'
-
-@conf
-def find_dld(conf):
-	conf.find_program(['dld'], var='LINK_CC', path_list=getattr(Options.options, 'diabbindir', ""))
-	conf.env.LINK_CC_NAME = 'dld'
-
-@conf
-def find_dar(conf):
-	conf.find_program(['dar'], var='AR', path_list=getattr(Options.options, 'diabbindir', ""))
-	conf.env.AR_NAME = 'dar'
-	conf.env.ARFLAGS = 'rcs'
-
-@conf
-def find_ddump(conf):
-	conf.find_program(['ddump'], var='DDUMP', path_list=getattr(Options.options, 'diabbindir', ""))
-
-@conf
-def dcc_common_flags(conf):
-	v = conf.env
-	v['CC_SRC_F']            = []
-	v['CC_TGT_F']            = ['-c', '-o']
-
-	# linker
-	if not v['LINK_CC']:
-		v['LINK_CC'] = v['CC']
-	v['CCLNK_SRC_F']         = []
-	v['CCLNK_TGT_F']         = ['-o']
-	v['CPPPATH_ST']          = '-I%s'
-	v['DEFINES_ST']          = '-D%s'
-
-	v['LIB_ST']              = '-l:%s' # template for adding libs
-	v['LIBPATH_ST']          = '-L%s' # template for adding libpaths
-	v['STLIB_ST']            = '-l:%s'
-	v['STLIBPATH_ST']        = '-L%s'
-	v['RPATH_ST']            = '-Wl,-rpath,%s'
-	#v['STLIB_MARKER']        = '-Wl,-Bstatic'
-
-	# program
-	v['cprogram_PATTERN']    = '%s.elf'
-
-	# static lib
-	v['LINKFLAGS_cstlib']    = ['-Wl,-Bstatic']
-	v['cstlib_PATTERN']      = 'lib%s.a'
-
-def configure(conf):
-	conf.find_dcc()
-	conf.find_dar()
-	conf.find_dld()
-	conf.find_ddump()
-	conf.dcc_common_flags()
-	conf.cc_load_tools()
-	conf.cc_add_flags()
-	conf.link_add_flags()
-
-def options(opt):
-	"""
-	Add the ``--with-diab-bindir`` command-line options.
-	"""
-	opt.add_option('--with-diab-bindir', type='string', dest='diabbindir', help = 'Specify alternate diab bin folder', default="")
-
diff --git a/waflib/extras/distnet.py b/waflib/extras/distnet.py
deleted file mode 100644
index ff3ed8e1..00000000
--- a/waflib/extras/distnet.py
+++ /dev/null
@@ -1,430 +0,0 @@
-#! /usr/bin/env python
-# encoding: utf-8
-
-"""
-waf-powered distributed network builds, with a network cache.
-
-Caching files from a server has advantages over a NFS/Samba shared folder:
-
-- builds are much faster because they use local files
-- builds just continue to work in case of a network glitch
-- permissions are much simpler to manage
-"""
-
-import os, urllib, tarfile, re, shutil, tempfile, sys
-from collections import OrderedDict
-from waflib import Context, Utils, Logs
-
-try:
-	from urllib.parse import urlencode
-except ImportError:
-	urlencode = urllib.urlencode
-
-def safe_urlencode(data):
-	x = urlencode(data)
-	try:
-		x = x.encode('utf-8')
-	except Exception:
-		pass
-	return x
-
-try:
-	from urllib.error import URLError
-except ImportError:
-	from urllib2 import URLError
-
-try:
-	from urllib.request import Request, urlopen
-except ImportError:
-	from urllib2 import Request, urlopen
-
-DISTNETCACHE = os.environ.get('DISTNETCACHE', '/tmp/distnetcache')
-DISTNETSERVER = os.environ.get('DISTNETSERVER', 'http://localhost:8000/cgi-bin/')
-TARFORMAT = 'w:bz2'
-TIMEOUT = 60
-REQUIRES = 'requires.txt'
-
-re_com = re.compile(r'\s*#.*', re.M)
-
-def total_version_order(num):
-	lst = num.split('.')
-	template = '%10s' * len(lst)
-	ret = template % tuple(lst)
-	return ret
-
-def get_distnet_cache():
-	return getattr(Context.g_module, 'DISTNETCACHE', DISTNETCACHE)
-
-def get_server_url():
-	return getattr(Context.g_module, 'DISTNETSERVER', DISTNETSERVER)
-
-def get_download_url():
-	return '%s/download.py' % get_server_url()
-
-def get_upload_url():
-	return '%s/upload.py' % get_server_url()
-
-def get_resolve_url():
-	return '%s/resolve.py' % get_server_url()
-
-def send_package_name():
-	out = getattr(Context.g_module, 'out', 'build')
-	pkgfile = '%s/package_to_upload.tarfile' % out
-	return pkgfile
-
-class package(Context.Context):
-	fun = 'package'
-	cmd = 'package'
-
-	def execute(self):
-		try:
-			files = self.files
-		except AttributeError:
-			files = self.files = []
-
-		Context.Context.execute(self)
-		pkgfile = send_package_name()
-		if not pkgfile in files:
-			if not REQUIRES in files:
-				files.append(REQUIRES)
-			self.make_tarfile(pkgfile, files, add_to_package=False)
-
-	def make_tarfile(self, filename, files, **kw):
-		if kw.get('add_to_package', True):
-			self.files.append(filename)
-
-		with tarfile.open(filename, TARFORMAT) as tar:
-			endname = os.path.split(filename)[-1]
-			endname = endname.split('.')[0] + '/'
-			for x in files:
-				tarinfo = tar.gettarinfo(x, x)
-				tarinfo.uid   = tarinfo.gid   = 0
-				tarinfo.uname = tarinfo.gname = 'root'
-				tarinfo.size = os.stat(x).st_size
-
-				# TODO - more archive creation options?
-				if kw.get('bare', True):
-					tarinfo.name = os.path.split(x)[1]
-				else:
-					tarinfo.name = endname + x # todo, if tuple, then..
-				Logs.debug('distnet: adding %r to %s', tarinfo.name, filename)
-				with open(x, 'rb') as f:
-					tar.addfile(tarinfo, f)
-		Logs.info('Created %s', filename)
-
-class publish(Context.Context):
-	fun = 'publish'
-	cmd = 'publish'
-	def execute(self):
-		if hasattr(Context.g_module, 'publish'):
-			Context.Context.execute(self)
-		mod = Context.g_module
-
-		rfile = getattr(self, 'rfile', send_package_name())
-		if not os.path.isfile(rfile):
-			self.fatal('Create the release file with "waf release" first! %r' % rfile)
-
-		fdata = Utils.readf(rfile, m='rb')
-		data = safe_urlencode([('pkgdata', fdata), ('pkgname', mod.APPNAME), ('pkgver', mod.VERSION)])
-
-		req = Request(get_upload_url(), data)
-		response = urlopen(req, timeout=TIMEOUT)
-		data = response.read().strip()
-
-		if sys.hexversion>0x300000f:
-			data = data.decode('utf-8')
-
-		if data != 'ok':
-			self.fatal('Could not publish the package %r' % data)
-
-class constraint(object):
-	def __init__(self, line=''):
-		self.required_line = line
-		self.info = []
-
-		line = line.strip()
-		if not line:
-			return
-
-		lst = line.split(',')
-		if lst:
-			self.pkgname = lst[0]
-			self.required_version = lst[1]
-			for k in lst:
-				a, b, c = k.partition('=')
-				if a and c:
-					self.info.append((a, c))
-	def __str__(self):
-		buf = []
-		buf.append(self.pkgname)
-		buf.append(self.required_version)
-		for k in self.info:
-			buf.append('%s=%s' % k)
-		return ','.join(buf)
-
-	def __repr__(self):
-		return "requires %s-%s" % (self.pkgname, self.required_version)
-
-	def human_display(self, pkgname, pkgver):
-		return '%s-%s requires %s-%s' % (pkgname, pkgver, self.pkgname, self.required_version)
-
-	def why(self):
-		ret = []
-		for x in self.info:
-			if x[0] == 'reason':
-				ret.append(x[1])
-		return ret
-
-	def add_reason(self, reason):
-		self.info.append(('reason', reason))
-
-def parse_constraints(text):
-	assert(text is not None)
-	constraints = []
-	text = re.sub(re_com, '', text)
-	lines = text.splitlines()
-	for line in lines:
-		line = line.strip()
-		if not line:
-			continue
-		constraints.append(constraint(line))
-	return constraints
-
-def list_package_versions(cachedir, pkgname):
-	pkgdir = os.path.join(cachedir, pkgname)
-	try:
-		versions = os.listdir(pkgdir)
-	except OSError:
-		return []
-	versions.sort(key=total_version_order)
-	versions.reverse()
-	return versions
-
-class package_reader(Context.Context):
-	cmd = 'solver'
-	fun = 'solver'
-
-	def __init__(self, **kw):
-		Context.Context.__init__(self, **kw)
-
-		self.myproject = getattr(Context.g_module, 'APPNAME', 'project')
-		self.myversion = getattr(Context.g_module, 'VERSION', '1.0')
-		self.cache_constraints = {}
-		self.constraints = []
-
-	def compute_dependencies(self, filename=REQUIRES):
-		text = Utils.readf(filename)
-		data = safe_urlencode([('text', text)])
-
-		if '--offline' in sys.argv:
-			self.constraints = self.local_resolve(text)
-		else:
-			req = Request(get_resolve_url(), data)
-			try:
-				response = urlopen(req, timeout=TIMEOUT)
-			except URLError as e:
-				Logs.warn('The package server is down! %r', e)
-				self.constraints = self.local_resolve(text)
-			else:
-				ret = response.read()
-				try:
-					ret = ret.decode('utf-8')
-				except Exception:
-					pass
-				self.trace(ret)
-				self.constraints = parse_constraints(ret)
-		self.check_errors()
-
-	def check_errors(self):
-		errors = False
-		for c in self.constraints:
-			if not c.required_version:
-				errors = True
-
-				reasons = c.why()
-				if len(reasons) == 1:
-					Logs.error('%s but no matching package could be found in this repository', reasons[0])
-				else:
-					Logs.error('Conflicts on package %r:', c.pkgname)
-					for r in reasons:
-						Logs.error('  %s', r)
-		if errors:
-			self.fatal('The package requirements cannot be satisfied!')
-
-	def load_constraints(self, pkgname, pkgver, requires=REQUIRES):
-		try:
-			return self.cache_constraints[(pkgname, pkgver)]
-		except KeyError:
-			text = Utils.readf(os.path.join(get_distnet_cache(), pkgname, pkgver, requires))
-			ret = parse_constraints(text)
-			self.cache_constraints[(pkgname, pkgver)] = ret
-			return ret
-
-	def apply_constraint(self, domain, constraint):
-		vname = constraint.required_version.replace('*', '.*')
-		rev = re.compile(vname, re.M)
-		ret = [x for x in domain if rev.match(x)]
-		return ret
-
-	def trace(self, *k):
-		if getattr(self, 'debug', None):
-			Logs.error(*k)
-
-	def solve(self, packages_to_versions={}, packages_to_constraints={}, pkgname='', pkgver='', todo=[], done=[]):
-		# breadth first search
-		n_packages_to_versions = dict(packages_to_versions)
-		n_packages_to_constraints = dict(packages_to_constraints)
-
-		self.trace("calling solve with %r    %r %r" % (packages_to_versions, todo, done))
-		done = done + [pkgname]
-
-		constraints = self.load_constraints(pkgname, pkgver)
-		self.trace("constraints %r" % constraints)
-
-		for k in constraints:
-			try:
-				domain = n_packages_to_versions[k.pkgname]
-			except KeyError:
-				domain = list_package_versions(get_distnet_cache(), k.pkgname)
-
-
-			self.trace("constraints?")
-			if not k.pkgname in done:
-				todo = todo + [k.pkgname]
-
-			self.trace("domain before %s -> %s, %r" % (pkgname, k.pkgname, domain))
-
-			# apply the constraint
-			domain = self.apply_constraint(domain, k)
-
-			self.trace("domain after %s -> %s, %r" % (pkgname, k.pkgname, domain))
-
-			n_packages_to_versions[k.pkgname] = domain
-
-			# then store the constraint applied
-			constraints = list(packages_to_constraints.get(k.pkgname, []))
-			constraints.append((pkgname, pkgver, k))
-			n_packages_to_constraints[k.pkgname] = constraints
-
-			if not domain:
-				self.trace("no domain while processing constraint %r from %r %r" % (domain, pkgname, pkgver))
-				return (n_packages_to_versions, n_packages_to_constraints)
-
-		# next package on the todo list
-		if not todo:
-			return (n_packages_to_versions, n_packages_to_constraints)
-
-		n_pkgname = todo[0]
-		n_pkgver = n_packages_to_versions[n_pkgname][0]
-		tmp = dict(n_packages_to_versions)
-		tmp[n_pkgname] = [n_pkgver]
-
-		self.trace("fixed point %s" % n_pkgname)
-
-		return self.solve(tmp, n_packages_to_constraints, n_pkgname, n_pkgver, todo[1:], done)
-
-	def get_results(self):
-		return '\n'.join([str(c) for c in self.constraints])
-
-	def solution_to_constraints(self, versions, constraints):
-		solution = []
-		for p in versions:
-			c = constraint()
-			solution.append(c)
-
-			c.pkgname = p
-			if versions[p]:
-				c.required_version = versions[p][0]
-			else:
-				c.required_version = ''
-			for (from_pkgname, from_pkgver, c2) in constraints.get(p, ''):
-				c.add_reason(c2.human_display(from_pkgname, from_pkgver))
-		return solution
-
-	def local_resolve(self, text):
-		self.cache_constraints[(self.myproject, self.myversion)] = parse_constraints(text)
-		p2v = OrderedDict({self.myproject: [self.myversion]})
-		(versions, constraints) = self.solve(p2v, {}, self.myproject, self.myversion, [])
-		return self.solution_to_constraints(versions, constraints)
-
-	def download_to_file(self, pkgname, pkgver, subdir, tmp):
-		data = safe_urlencode([('pkgname', pkgname), ('pkgver', pkgver), ('pkgfile', subdir)])
-		req = urlopen(get_download_url(), data, timeout=TIMEOUT)
-		with open(tmp, 'wb') as f:
-			while True:
-				buf = req.read(8192)
-				if not buf:
-					break
-				f.write(buf)
-
-	def extract_tar(self, subdir, pkgdir, tmpfile):
-		with tarfile.open(tmpfile) as f:
-			temp = tempfile.mkdtemp(dir=pkgdir)
-			try:
-				f.extractall(temp)
-				os.rename(temp, os.path.join(pkgdir, subdir))
-			finally:
-				try:
-					shutil.rmtree(temp)
-				except Exception:
-					pass
-
-	def get_pkg_dir(self, pkgname, pkgver, subdir):
-		pkgdir = os.path.join(get_distnet_cache(), pkgname, pkgver)
-		if not os.path.isdir(pkgdir):
-			os.makedirs(pkgdir)
-
-		target = os.path.join(pkgdir, subdir)
-
-		if os.path.exists(target):
-			return target
-
-		(fd, tmp) = tempfile.mkstemp(dir=pkgdir)
-		try:
-			os.close(fd)
-			self.download_to_file(pkgname, pkgver, subdir, tmp)
-			if subdir == REQUIRES:
-				os.rename(tmp, target)
-			else:
-				self.extract_tar(subdir, pkgdir, tmp)
-		finally:
-			try:
-				os.remove(tmp)
-			except OSError:
-				pass
-
-		return target
-
-	def __iter__(self):
-		if not self.constraints:
-			self.compute_dependencies()
-		for x in self.constraints:
-			if x.pkgname == self.myproject:
-				continue
-			yield x
-
-	def execute(self):
-		self.compute_dependencies()
-
-packages = package_reader()
-
-def load_tools(ctx, extra):
-	global packages
-	for c in packages:
-		packages.get_pkg_dir(c.pkgname, c.required_version, extra)
-		noarchdir = packages.get_pkg_dir(c.pkgname, c.required_version, 'noarch')
-		for x in os.listdir(noarchdir):
-			if x.startswith('waf_') and x.endswith('.py'):
-				ctx.load([x.rstrip('.py')], tooldir=[noarchdir])
-
-def options(opt):
-	opt.add_option('--offline', action='store_true')
-	packages.execute()
-	load_tools(opt, REQUIRES)
-
-def configure(conf):
-	load_tools(conf, conf.variant)
-
-def build(bld):
-	load_tools(bld, bld.variant)
-
diff --git a/waflib/extras/doxygen.py b/waflib/extras/doxygen.py
deleted file mode 100644
index 28f56e9c..00000000
--- a/waflib/extras/doxygen.py
+++ /dev/null
@@ -1,227 +0,0 @@
-#! /usr/bin/env python
-# encoding: UTF-8
-# Thomas Nagy 2008-2010 (ita)
-
-"""
-
-Doxygen support
-
-Variables passed to bld():
-* doxyfile -- the Doxyfile to use
-* doxy_tar -- destination archive for generated documentation (if desired)
-* install_path -- where to install the documentation
-* pars -- dictionary overriding doxygen configuration settings
-
-When using this tool, the wscript will look like:
-
-	def options(opt):
-		opt.load('doxygen')
-
-	def configure(conf):
-		conf.load('doxygen')
-		# check conf.env.DOXYGEN, if it is mandatory
-
-	def build(bld):
-		if bld.env.DOXYGEN:
-			bld(features="doxygen", doxyfile='Doxyfile', ...)
-"""
-
-import os, os.path, re
-from waflib import Task, Utils, Node
-from waflib.TaskGen import feature
-
-DOXY_STR = '"${DOXYGEN}" - '
-DOXY_FMTS = 'html latex man rft xml'.split()
-DOXY_FILE_PATTERNS = '*.' + ' *.'.join('''
-c cc cxx cpp c++ java ii ixx ipp i++ inl h hh hxx hpp h++ idl odl cs php php3
-inc m mm py f90c cc cxx cpp c++ java ii ixx ipp i++ inl h hh hxx
-'''.split())
-
-re_rl = re.compile('\\\\\r*\n', re.MULTILINE)
-re_nl = re.compile('\r*\n', re.M)
-def parse_doxy(txt):
-	tbl = {}
-	txt   = re_rl.sub('', txt)
-	lines = re_nl.split(txt)
-	for x in lines:
-		x = x.strip()
-		if not x or x.startswith('#') or x.find('=') < 0:
-			continue
-		if x.find('+=') >= 0:
-			tmp = x.split('+=')
-			key = tmp[0].strip()
-			if key in tbl:
-				tbl[key] += ' ' + '+='.join(tmp[1:]).strip()
-			else:
-				tbl[key] = '+='.join(tmp[1:]).strip()
-		else:
-			tmp = x.split('=')
-			tbl[tmp[0].strip()] = '='.join(tmp[1:]).strip()
-	return tbl
-
-class doxygen(Task.Task):
-	vars  = ['DOXYGEN', 'DOXYFLAGS']
-	color = 'BLUE'
-
-	def runnable_status(self):
-		'''
-		self.pars are populated in runnable_status - because this function is being
-		run *before* both self.pars "consumers" - scan() and run()
-
-		set output_dir (node) for the output
-		'''
-
-		for x in self.run_after:
-			if not x.hasrun:
-				return Task.ASK_LATER
-
-		if not getattr(self, 'pars', None):
-			txt = self.inputs[0].read()
-			self.pars = parse_doxy(txt)
-			if self.pars.get('OUTPUT_DIRECTORY'):
-				# Use the path parsed from the Doxyfile as an absolute path
-				output_node = self.inputs[0].parent.get_bld().make_node(self.pars['OUTPUT_DIRECTORY'])
-			else:
-				# If no OUTPUT_PATH was specified in the Doxyfile, build path from the Doxyfile name + '.doxy'
-				output_node = self.inputs[0].parent.get_bld().make_node(self.inputs[0].name + '.doxy')
-			output_node.mkdir()
-			self.pars['OUTPUT_DIRECTORY'] = output_node.abspath()
-
-			# Override with any parameters passed to the task generator
-			if getattr(self.generator, 'pars', None):
-				for k, v in self.generator.pars.items():
-					self.pars[k] = v
-
-			self.doxy_inputs = getattr(self, 'doxy_inputs', [])
-			if not self.pars.get('INPUT'):
-				self.doxy_inputs.append(self.inputs[0].parent)
-			else:
-				for i in self.pars.get('INPUT').split():
-					if os.path.isabs(i):
-						node = self.generator.bld.root.find_node(i)
-					else:
-						node = self.inputs[0].parent.find_node(i)
-					if not node:
-						self.generator.bld.fatal('Could not find the doxygen input %r' % i)
-					self.doxy_inputs.append(node)
-
-		if not getattr(self, 'output_dir', None):
-			bld = self.generator.bld
-			# Output path is always an absolute path as it was transformed above.
-			self.output_dir = bld.root.find_dir(self.pars['OUTPUT_DIRECTORY'])
-
-		self.signature()
-		ret = Task.Task.runnable_status(self)
-		if ret == Task.SKIP_ME:
-			# in case the files were removed
-			self.add_install()
-		return ret
-
-	def scan(self):
-		exclude_patterns = self.pars.get('EXCLUDE_PATTERNS','').split()
-		exclude_patterns = [pattern.replace('*/', '**/') for pattern in exclude_patterns]
-		file_patterns = self.pars.get('FILE_PATTERNS','').split()
-		if not file_patterns:
-			file_patterns = DOXY_FILE_PATTERNS.split()
-		if self.pars.get('RECURSIVE') == 'YES':
-			file_patterns = ["**/%s" % pattern for pattern in file_patterns]
-		nodes = []
-		names = []
-		for node in self.doxy_inputs:
-			if os.path.isdir(node.abspath()):
-				for m in node.ant_glob(incl=file_patterns, excl=exclude_patterns):
-					nodes.append(m)
-			else:
-				nodes.append(node)
-		return (nodes, names)
-
-	def run(self):
-		dct = self.pars.copy()
-		code = '\n'.join(['%s = %s' % (x, dct[x]) for x in self.pars])
-		code = code.encode() # for python 3
-		#fmt = DOXY_STR % (self.inputs[0].parent.abspath())
-		cmd = Utils.subst_vars(DOXY_STR, self.env)
-		env = self.env.env or None
-		proc = Utils.subprocess.Popen(cmd, shell=True, stdin=Utils.subprocess.PIPE, env=env, cwd=self.inputs[0].parent.abspath())
-		proc.communicate(code)
-		return proc.returncode
-
-	def post_run(self):
-		nodes = self.output_dir.ant_glob('**/*', quiet=True)
-		for x in nodes:
-			self.generator.bld.node_sigs[x] = self.uid()
-		self.add_install()
-		return Task.Task.post_run(self)
-
-	def add_install(self):
-		nodes = self.output_dir.ant_glob('**/*', quiet=True)
-		self.outputs += nodes
-		if getattr(self.generator, 'install_path', None):
-			if not getattr(self.generator, 'doxy_tar', None):
-				self.generator.add_install_files(install_to=self.generator.install_path,
-					install_from=self.outputs,
-					postpone=False,
-					cwd=self.output_dir,
-					relative_trick=True)
-
-class tar(Task.Task):
-	"quick tar creation"
-	run_str = '${TAR} ${TAROPTS} ${TGT} ${SRC}'
-	color   = 'RED'
-	after   = ['doxygen']
-	def runnable_status(self):
-		for x in getattr(self, 'input_tasks', []):
-			if not x.hasrun:
-				return Task.ASK_LATER
-
-		if not getattr(self, 'tar_done_adding', None):
-			# execute this only once
-			self.tar_done_adding = True
-			for x in getattr(self, 'input_tasks', []):
-				self.set_inputs(x.outputs)
-			if not self.inputs:
-				return Task.SKIP_ME
-		return Task.Task.runnable_status(self)
-
-	def __str__(self):
-		tgt_str = ' '.join([a.path_from(a.ctx.launch_node()) for a in self.outputs])
-		return '%s: %s\n' % (self.__class__.__name__, tgt_str)
-
-@feature('doxygen')
-def process_doxy(self):
-	if not getattr(self, 'doxyfile', None):
-		self.bld.fatal('no doxyfile variable specified??')
-
-	node = self.doxyfile
-	if not isinstance(node, Node.Node):
-		node = self.path.find_resource(node)
-	if not node:
-		self.bld.fatal('doxygen file %s not found' % self.doxyfile)
-
-	# the task instance
-	dsk = self.create_task('doxygen', node)
-
-	if getattr(self, 'doxy_tar', None):
-		tsk = self.create_task('tar')
-		tsk.input_tasks = [dsk]
-		tsk.set_outputs(self.path.find_or_declare(self.doxy_tar))
-		if self.doxy_tar.endswith('bz2'):
-			tsk.env['TAROPTS'] = ['cjf']
-		elif self.doxy_tar.endswith('gz'):
-			tsk.env['TAROPTS'] = ['czf']
-		else:
-			tsk.env['TAROPTS'] = ['cf']
-		if getattr(self, 'install_path', None):
-			self.add_install_files(install_to=self.install_path, install_from=tsk.outputs)
-
-def configure(conf):
-	'''
-	Check if doxygen and tar commands are present in the system
-
-	If the commands are present, then conf.env.DOXYGEN and conf.env.TAR
-	variables will be set. Detection can be controlled by setting DOXYGEN and
-	TAR environmental variables.
-	'''
-
-	conf.find_program('doxygen', var='DOXYGEN', mandatory=False)
-	conf.find_program('tar', var='TAR', mandatory=False)
diff --git a/waflib/extras/dpapi.py b/waflib/extras/dpapi.py
deleted file mode 100644
index b94d4823..00000000
--- a/waflib/extras/dpapi.py
+++ /dev/null
@@ -1,87 +0,0 @@
-#! /usr/bin/env python
-# encoding: utf-8
-# Matt Clarkson, 2012
-
-'''
-DPAPI access library (http://msdn.microsoft.com/en-us/library/ms995355.aspx)
-This file uses code originally created by Crusher Joe:
-http://article.gmane.org/gmane.comp.python.ctypes/420
-And modified by Wayne Koorts:
-http://stackoverflow.com/questions/463832/using-dpapi-with-python
-'''
-
-from ctypes import windll, byref, cdll, Structure, POINTER, c_char, c_buffer
-from ctypes.wintypes import DWORD
-from waflib.Configure import conf
-
-LocalFree = windll.kernel32.LocalFree
-memcpy = cdll.msvcrt.memcpy
-CryptProtectData = windll.crypt32.CryptProtectData
-CryptUnprotectData = windll.crypt32.CryptUnprotectData
-CRYPTPROTECT_UI_FORBIDDEN = 0x01
-try:
-	extra_entropy = 'cl;ad13 \0al;323kjd #(adl;k$#ajsd'.encode('ascii')
-except AttributeError:
-	extra_entropy = 'cl;ad13 \0al;323kjd #(adl;k$#ajsd'
-
-class DATA_BLOB(Structure):
-	_fields_ = [
-		('cbData', DWORD),
-		('pbData', POINTER(c_char))
-	]
-
-def get_data(blob_out):
-	cbData = int(blob_out.cbData)
-	pbData = blob_out.pbData
-	buffer = c_buffer(cbData)
-	memcpy(buffer, pbData, cbData)
-	LocalFree(pbData)
-	return buffer.raw
-
-@conf
-def dpapi_encrypt_data(self, input_bytes, entropy = extra_entropy):
-	'''
-	Encrypts data and returns byte string
-
-	:param input_bytes: The data to be encrypted
-	:type input_bytes: String or Bytes
-	:param entropy: Extra entropy to add to the encryption process (optional)
-	:type entropy: String or Bytes
-	'''
-	if not isinstance(input_bytes, bytes) or not isinstance(entropy, bytes):
-		self.fatal('The inputs to dpapi must be bytes')
-	buffer_in      = c_buffer(input_bytes, len(input_bytes))
-	buffer_entropy = c_buffer(entropy, len(entropy))
-	blob_in        = DATA_BLOB(len(input_bytes), buffer_in)
-	blob_entropy   = DATA_BLOB(len(entropy), buffer_entropy)
-	blob_out       = DATA_BLOB()
-
-	if CryptProtectData(byref(blob_in), 'python_data', byref(blob_entropy), 
-		None, None, CRYPTPROTECT_UI_FORBIDDEN, byref(blob_out)):
-		return get_data(blob_out)
-	else:
-		self.fatal('Failed to decrypt data')
-
-@conf
-def dpapi_decrypt_data(self, encrypted_bytes, entropy = extra_entropy):
-	'''
-	Decrypts data and returns byte string
-
-	:param encrypted_bytes: The encrypted data
-	:type encrypted_bytes: Bytes
-	:param entropy: Extra entropy to add to the encryption process (optional)
-	:type entropy: String or Bytes
-	'''
-	if not isinstance(encrypted_bytes, bytes) or not isinstance(entropy, bytes):
-		self.fatal('The inputs to dpapi must be bytes')
-	buffer_in      = c_buffer(encrypted_bytes, len(encrypted_bytes))
-	buffer_entropy = c_buffer(entropy, len(entropy))
-	blob_in        = DATA_BLOB(len(encrypted_bytes), buffer_in)
-	blob_entropy   = DATA_BLOB(len(entropy), buffer_entropy)
-	blob_out       = DATA_BLOB()
-	if CryptUnprotectData(byref(blob_in), None, byref(blob_entropy), None,
-		None, CRYPTPROTECT_UI_FORBIDDEN, byref(blob_out)):
-		return get_data(blob_out)
-	else:
-		self.fatal('Failed to decrypt data')
-
diff --git a/waflib/extras/eclipse.py b/waflib/extras/eclipse.py
deleted file mode 100644
index bb787416..00000000
--- a/waflib/extras/eclipse.py
+++ /dev/null
@@ -1,431 +0,0 @@
-#! /usr/bin/env python
-# encoding: utf-8
-# Eclipse CDT 5.0 generator for Waf
-# Richard Quirk 2009-1011 (New BSD License)
-# Thomas Nagy 2011 (ported to Waf 1.6)
-
-"""
-Usage:
-
-def options(opt):
-	opt.load('eclipse')
-
-$ waf configure eclipse
-"""
-
-import sys, os
-from waflib import Utils, Logs, Context, Build, TaskGen, Scripting, Errors, Node
-from xml.dom.minidom import Document
-
-STANDARD_INCLUDES = [ '/usr/local/include', '/usr/include' ]
-
-oe_cdt = 'org.eclipse.cdt'
-cdt_mk = oe_cdt + '.make.core'
-cdt_core = oe_cdt + '.core'
-cdt_bld = oe_cdt + '.build.core'
-extbuilder_dir = '.externalToolBuilders'
-extbuilder_name = 'Waf_Builder.launch'
-
-class eclipse(Build.BuildContext):
-	cmd = 'eclipse'
-	fun = Scripting.default_cmd
-
-	def execute(self):
-		"""
-		Entry point
-		"""
-		self.restore()
-		if not self.all_envs:
-			self.load_envs()
-		self.recurse([self.run_dir])
-
-		appname = getattr(Context.g_module, Context.APPNAME, os.path.basename(self.srcnode.abspath()))
-		self.create_cproject(appname, pythonpath=self.env['ECLIPSE_PYTHON_PATH'])
-
-	# Helper to dump the XML document content to XML with UTF-8 encoding
-	def write_conf_to_xml(self, filename, document):
-		self.srcnode.make_node(filename).write(document.toprettyxml(encoding='UTF-8'), flags='wb')
-
-	def create_cproject(self, appname, workspace_includes=[], pythonpath=[]):
-		"""
-		Create the Eclipse CDT .project and .cproject files
-		@param appname The name that will appear in the Project Explorer
-		@param build The BuildContext object to extract includes from
-		@param workspace_includes Optional project includes to prevent
-			  "Unresolved Inclusion" errors in the Eclipse editor
-		@param pythonpath Optional project specific python paths
-		"""
-		hasc = hasjava = haspython = False
-		source_dirs = []
-		cpppath = self.env['CPPPATH']
-		javasrcpath = []
-		javalibpath = []
-		includes = STANDARD_INCLUDES
-		if sys.platform != 'win32':
-			cc = self.env.CC or self.env.CXX
-			if cc:
-				cmd = cc + ['-xc++', '-E', '-Wp,-v', '-']
-				try:
-					gccout = self.cmd_and_log(cmd, output=Context.STDERR, quiet=Context.BOTH, input='\n'.encode()).splitlines()
-				except Errors.WafError:
-					pass
-				else:
-					includes = []
-					for ipath in gccout:
-						if ipath.startswith(' /'):
-							includes.append(ipath[1:])
-			cpppath += includes
-		Logs.warn('Generating Eclipse CDT project files')
-
-		for g in self.groups:
-			for tg in g:
-				if not isinstance(tg, TaskGen.task_gen):
-					continue
-
-				tg.post()
-
-				# Add local Python modules paths to configuration so object resolving will work in IDE
-				# This may also contain generated files (ie. pyqt5 or protoc) that get picked from build
-				if 'py' in tg.features:
-					pypath = tg.path.relpath()
-					py_installfrom = getattr(tg, 'install_from', None)
-					if isinstance(py_installfrom, Node.Node):
-						pypath = py_installfrom.path_from(self.root.make_node(self.top_dir))
-					if pypath not in pythonpath:
-						pythonpath.append(pypath)
-					haspython = True
-
-				# Add Java source directories so object resolving works in IDE
-				# This may also contain generated files (ie. protoc) that get picked from build
-				if 'javac' in tg.features:
-					java_src = tg.path.relpath()
-					java_srcdir = getattr(tg.javac_task, 'srcdir', None)
-					if java_srcdir:
-						if isinstance(java_srcdir, Node.Node):
-							java_srcdir = [java_srcdir]
-						for x in Utils.to_list(java_srcdir):
-							x = x.path_from(self.root.make_node(self.top_dir))
-							if x not in javasrcpath:
-								javasrcpath.append(x)
-					else:
-						if java_src not in javasrcpath:
-							javasrcpath.append(java_src)
-					hasjava = True
-
-					# Check if there are external dependencies and add them as external jar so they will be resolved by Eclipse
-					usedlibs=getattr(tg, 'use', [])
-					for x in Utils.to_list(usedlibs):
-						for cl in Utils.to_list(tg.env['CLASSPATH_'+x]):
-							if cl not in javalibpath:
-								javalibpath.append(cl)
-
-				if not getattr(tg, 'link_task', None):
-					continue
-
-				features = Utils.to_list(getattr(tg, 'features', ''))
-
-				is_cc = 'c' in features or 'cxx' in features
-
-				incnodes = tg.to_incnodes(tg.to_list(getattr(tg, 'includes', [])) + tg.env['INCLUDES'])
-				for p in incnodes:
-					path = p.path_from(self.srcnode)
-
-					if (path.startswith("/")):
-						cpppath.append(path)
-					else:
-						workspace_includes.append(path)
-
-					if is_cc and path not in source_dirs:
-						source_dirs.append(path)
-
-					hasc = True
-
-		waf_executable = os.path.abspath(sys.argv[0])
-		project = self.impl_create_project(sys.executable, appname, hasc, hasjava, haspython, waf_executable)
-		self.write_conf_to_xml('.project', project)
-
-		if hasc:
-			project = self.impl_create_cproject(sys.executable, waf_executable, appname, workspace_includes, cpppath, source_dirs)
-			self.write_conf_to_xml('.cproject', project)
-
-		if haspython:
-			project = self.impl_create_pydevproject(sys.path, pythonpath)
-			self.write_conf_to_xml('.pydevproject', project)
-
-		if hasjava:
-			project = self.impl_create_javaproject(javasrcpath, javalibpath)
-			self.write_conf_to_xml('.classpath', project)
-
-	def impl_create_project(self, executable, appname, hasc, hasjava, haspython, waf_executable):
-		doc = Document()
-		projectDescription = doc.createElement('projectDescription')
-		self.add(doc, projectDescription, 'name', appname)
-		self.add(doc, projectDescription, 'comment')
-		self.add(doc, projectDescription, 'projects')
-		buildSpec = self.add(doc, projectDescription, 'buildSpec')
-		buildCommand = self.add(doc, buildSpec, 'buildCommand')
-		self.add(doc, buildCommand, 'triggers', 'clean,full,incremental,')
-		arguments = self.add(doc, buildCommand, 'arguments')
-		dictionaries = {}
-
-		# If CDT is present, instruct this one to call waf as it is more flexible (separate build/clean ...)
-		if hasc:
-			self.add(doc, buildCommand, 'name', oe_cdt + '.managedbuilder.core.genmakebuilder')
-			# the default make-style targets are overwritten by the .cproject values
-			dictionaries = {
-					cdt_mk + '.contents': cdt_mk + '.activeConfigSettings',
-					cdt_mk + '.enableAutoBuild': 'false',
-					cdt_mk + '.enableCleanBuild': 'true',
-					cdt_mk + '.enableFullBuild': 'true',
-					}
-		else:
-			# Otherwise for Java/Python an external builder tool is created that will call waf build
-			self.add(doc, buildCommand, 'name', 'org.eclipse.ui.externaltools.ExternalToolBuilder')
-			dictionaries = {
-					'LaunchConfigHandle': '<project>/%s/%s'%(extbuilder_dir, extbuilder_name),
-					}
-			# The definition is in a separate directory XML file
-			try:
-				os.mkdir(extbuilder_dir)
-			except OSError:
-				pass	# Ignore error if already exists
-
-			# Populate here the external builder XML calling waf
-			builder = Document()
-			launchConfiguration = doc.createElement('launchConfiguration')
-			launchConfiguration.setAttribute('type', 'org.eclipse.ui.externaltools.ProgramBuilderLaunchConfigurationType')
-			self.add(doc, launchConfiguration, 'booleanAttribute', {'key': 'org.eclipse.debug.ui.ATTR_LAUNCH_IN_BACKGROUND', 'value': 'false'})
-			self.add(doc, launchConfiguration, 'booleanAttribute', {'key': 'org.eclipse.ui.externaltools.ATTR_TRIGGERS_CONFIGURED', 'value': 'true'})
-			self.add(doc, launchConfiguration, 'stringAttribute', {'key': 'org.eclipse.ui.externaltools.ATTR_LOCATION', 'value': waf_executable})
-			self.add(doc, launchConfiguration, 'stringAttribute', {'key': 'org.eclipse.ui.externaltools.ATTR_RUN_BUILD_KINDS', 'value': 'full,incremental,'})
-			self.add(doc, launchConfiguration, 'stringAttribute', {'key': 'org.eclipse.ui.externaltools.ATTR_TOOL_ARGUMENTS', 'value': 'build'})
-			self.add(doc, launchConfiguration, 'stringAttribute', {'key': 'org.eclipse.ui.externaltools.ATTR_WORKING_DIRECTORY', 'value': '${project_loc}'})
-			builder.appendChild(launchConfiguration)
-			# And write the XML to the file references before
-			self.write_conf_to_xml('%s%s%s'%(extbuilder_dir, os.path.sep, extbuilder_name), builder)
-
-
-		for k, v in dictionaries.items():
-			self.addDictionary(doc, arguments, k, v)
-
-		natures = self.add(doc, projectDescription, 'natures')
-
-		if hasc:
-			nature_list = """
-				core.ccnature
-				managedbuilder.core.ScannerConfigNature
-				managedbuilder.core.managedBuildNature
-				core.cnature
-			""".split()
-			for n in nature_list:
-				self.add(doc, natures, 'nature', oe_cdt + '.' + n)
-
-		if haspython:
-			self.add(doc, natures, 'nature', 'org.python.pydev.pythonNature')
-		if hasjava:
-			self.add(doc, natures, 'nature', 'org.eclipse.jdt.core.javanature')
-
-		doc.appendChild(projectDescription)
-		return doc
-
-	def impl_create_cproject(self, executable, waf_executable, appname, workspace_includes, cpppath, source_dirs=[]):
-		doc = Document()
-		doc.appendChild(doc.createProcessingInstruction('fileVersion', '4.0.0'))
-		cconf_id = cdt_core + '.default.config.1'
-		cproject = doc.createElement('cproject')
-		storageModule = self.add(doc, cproject, 'storageModule',
-				{'moduleId': cdt_core + '.settings'})
-		cconf = self.add(doc, storageModule, 'cconfiguration', {'id':cconf_id})
-
-		storageModule = self.add(doc, cconf, 'storageModule',
-				{'buildSystemId': oe_cdt + '.managedbuilder.core.configurationDataProvider',
-				 'id': cconf_id,
-				 'moduleId': cdt_core + '.settings',
-				 'name': 'Default'})
-
-		self.add(doc, storageModule, 'externalSettings')
-
-		extensions = self.add(doc, storageModule, 'extensions')
-		extension_list = """
-			VCErrorParser
-			MakeErrorParser
-			GCCErrorParser
-			GASErrorParser
-			GLDErrorParser
-		""".split()
-		self.add(doc, extensions, 'extension', {'id': cdt_core + '.ELF', 'point':cdt_core + '.BinaryParser'})
-		for e in extension_list:
-			self.add(doc, extensions, 'extension', {'id': cdt_core + '.' + e, 'point':cdt_core + '.ErrorParser'})
-
-		storageModule = self.add(doc, cconf, 'storageModule',
-				{'moduleId': 'cdtBuildSystem', 'version': '4.0.0'})
-		config = self.add(doc, storageModule, 'configuration',
-					{'artifactName': appname,
-					 'id': cconf_id,
-					 'name': 'Default',
-					 'parent': cdt_bld + '.prefbase.cfg'})
-		folderInfo = self.add(doc, config, 'folderInfo',
-							{'id': cconf_id+'.', 'name': '/', 'resourcePath': ''})
-
-		toolChain = self.add(doc, folderInfo, 'toolChain',
-				{'id': cdt_bld + '.prefbase.toolchain.1',
-				 'name': 'No ToolChain',
-				 'resourceTypeBasedDiscovery': 'false',
-				 'superClass': cdt_bld + '.prefbase.toolchain'})
-
-		self.add(doc, toolChain, 'targetPlatform', {'binaryParser': 'org.eclipse.cdt.core.ELF', 'id': cdt_bld + '.prefbase.toolchain.1', 'name': ''})
-
-		waf_build = '"%s" %s'%(waf_executable, eclipse.fun)
-		waf_clean = '"%s" clean'%(waf_executable)
-		self.add(doc, toolChain, 'builder',
-					{'autoBuildTarget': waf_build,
-					 'command': executable,
-					 'enableAutoBuild': 'false',
-					 'cleanBuildTarget': waf_clean,
-					 'enableIncrementalBuild': 'true',
-					 'id': cdt_bld + '.settings.default.builder.1',
-					 'incrementalBuildTarget': waf_build,
-					 'managedBuildOn': 'false',
-					 'name': 'Gnu Make Builder',
-					 'superClass': cdt_bld + '.settings.default.builder'})
-
-		tool_index = 1;
-		for tool_name in ("Assembly", "GNU C++", "GNU C"):
-			tool = self.add(doc, toolChain, 'tool',
-					{'id': cdt_bld + '.settings.holder.' + str(tool_index),
-					 'name': tool_name,
-					 'superClass': cdt_bld + '.settings.holder'})
-			if cpppath or workspace_includes:
-				incpaths = cdt_bld + '.settings.holder.incpaths'
-				option = self.add(doc, tool, 'option',
-						{'id': incpaths + '.' +  str(tool_index),
-						 'name': 'Include Paths',
-						 'superClass': incpaths,
-						 'valueType': 'includePath'})
-				for i in workspace_includes:
-					self.add(doc, option, 'listOptionValue',
-								{'builtIn': 'false',
-								'value': '"${workspace_loc:/%s/%s}"'%(appname, i)})
-				for i in cpppath:
-					self.add(doc, option, 'listOptionValue',
-								{'builtIn': 'false',
-								'value': '"%s"'%(i)})
-			if tool_name == "GNU C++" or tool_name == "GNU C":
-				self.add(doc,tool,'inputType',{ 'id':'org.eclipse.cdt.build.core.settings.holder.inType.' + str(tool_index), \
-					'languageId':'org.eclipse.cdt.core.gcc' if tool_name == "GNU C" else 'org.eclipse.cdt.core.g++','languageName':tool_name, \
-					'sourceContentType':'org.eclipse.cdt.core.cSource,org.eclipse.cdt.core.cHeader', \
-					'superClass':'org.eclipse.cdt.build.core.settings.holder.inType' })
-			tool_index += 1
-
-		if source_dirs:
-			sourceEntries = self.add(doc, config, 'sourceEntries')
-			for i in source_dirs:
-				 self.add(doc, sourceEntries, 'entry',
-							{'excluding': i,
-							'flags': 'VALUE_WORKSPACE_PATH|RESOLVED',
-							'kind': 'sourcePath',
-							'name': ''})
-				 self.add(doc, sourceEntries, 'entry',
-							{
-							'flags': 'VALUE_WORKSPACE_PATH|RESOLVED',
-							'kind': 'sourcePath',
-							'name': i})
-
-		storageModule = self.add(doc, cconf, 'storageModule',
-							{'moduleId': cdt_mk + '.buildtargets'})
-		buildTargets = self.add(doc, storageModule, 'buildTargets')
-		def addTargetWrap(name, runAll):
-			return self.addTarget(doc, buildTargets, executable, name,
-								'"%s" %s'%(waf_executable, name), runAll)
-		addTargetWrap('configure', True)
-		addTargetWrap('dist', False)
-		addTargetWrap('install', False)
-		addTargetWrap('check', False)
-
-		storageModule = self.add(doc, cproject, 'storageModule',
-							{'moduleId': 'cdtBuildSystem',
-							 'version': '4.0.0'})
-
-		self.add(doc, storageModule, 'project', {'id': '%s.null.1'%appname, 'name': appname})
-
-		doc.appendChild(cproject)
-		return doc
-
-	def impl_create_pydevproject(self, system_path, user_path):
-		# create a pydevproject file
-		doc = Document()
-		doc.appendChild(doc.createProcessingInstruction('eclipse-pydev', 'version="1.0"'))
-		pydevproject = doc.createElement('pydev_project')
-		prop = self.add(doc, pydevproject,
-					   'pydev_property',
-					   'python %d.%d'%(sys.version_info[0], sys.version_info[1]))
-		prop.setAttribute('name', 'org.python.pydev.PYTHON_PROJECT_VERSION')
-		prop = self.add(doc, pydevproject, 'pydev_property', 'Default')
-		prop.setAttribute('name', 'org.python.pydev.PYTHON_PROJECT_INTERPRETER')
-		# add waf's paths
-		wafadmin = [p for p in system_path if p.find('wafadmin') != -1]
-		if wafadmin:
-			prop = self.add(doc, pydevproject, 'pydev_pathproperty',
-					{'name':'org.python.pydev.PROJECT_EXTERNAL_SOURCE_PATH'})
-			for i in wafadmin:
-				self.add(doc, prop, 'path', i)
-		if user_path:
-			prop = self.add(doc, pydevproject, 'pydev_pathproperty',
-					{'name':'org.python.pydev.PROJECT_SOURCE_PATH'})
-			for i in user_path:
-				self.add(doc, prop, 'path', '/${PROJECT_DIR_NAME}/'+i)
-
-		doc.appendChild(pydevproject)
-		return doc
-
-	def impl_create_javaproject(self, javasrcpath, javalibpath):
-		# create a .classpath file for java usage
-		doc = Document()
-		javaproject = doc.createElement('classpath')
-		if javasrcpath:
-			for i in javasrcpath:
-				self.add(doc, javaproject, 'classpathentry',
-					{'kind': 'src', 'path': i})
-
-		if javalibpath:
-			for i in javalibpath:
-				self.add(doc, javaproject, 'classpathentry',
-					{'kind': 'lib', 'path': i})
-
-		self.add(doc, javaproject, 'classpathentry', {'kind': 'con', 'path': 'org.eclipse.jdt.launching.JRE_CONTAINER'})
-		self.add(doc, javaproject, 'classpathentry', {'kind': 'output', 'path': self.bldnode.name })
-		doc.appendChild(javaproject)
-		return doc
-
-	def addDictionary(self, doc, parent, k, v):
-		dictionary = self.add(doc, parent, 'dictionary')
-		self.add(doc, dictionary, 'key', k)
-		self.add(doc, dictionary, 'value', v)
-		return dictionary
-
-	def addTarget(self, doc, buildTargets, executable, name, buildTarget, runAllBuilders=True):
-		target = self.add(doc, buildTargets, 'target',
-						{'name': name,
-						 'path': '',
-						 'targetID': oe_cdt + '.build.MakeTargetBuilder'})
-		self.add(doc, target, 'buildCommand', executable)
-		self.add(doc, target, 'buildArguments', None)
-		self.add(doc, target, 'buildTarget', buildTarget)
-		self.add(doc, target, 'stopOnError', 'true')
-		self.add(doc, target, 'useDefaultCommand', 'false')
-		self.add(doc, target, 'runAllBuilders', str(runAllBuilders).lower())
-
-	def add(self, doc, parent, tag, value = None):
-		el = doc.createElement(tag)
-		if (value):
-			if type(value) == type(str()):
-				el.appendChild(doc.createTextNode(value))
-			elif type(value) == type(dict()):
-				self.setAttributes(el, value)
-		parent.appendChild(el)
-		return el
-
-	def setAttributes(self, node, attrs):
-		for k, v in attrs.items():
-			node.setAttribute(k, v)
-
diff --git a/waflib/extras/erlang.py b/waflib/extras/erlang.py
deleted file mode 100644
index 0b93d9a4..00000000
--- a/waflib/extras/erlang.py
+++ /dev/null
@@ -1,110 +0,0 @@
-#!/usr/bin/env python
-# encoding: utf-8
-# Thomas Nagy, 2010 (ita)
-# Przemyslaw Rzepecki, 2016
-
-"""
-Erlang support
-"""
-
-import re
-from waflib import Task, TaskGen
-from waflib.TaskGen import feature, after_method, before_method
-# to load the method "to_incnodes" below
-from waflib.Tools import ccroot
-
-# Those flags are required by the Erlang VM to execute/evaluate code in
-# non-interactive mode. It is used in this tool to create Erlang modules
-# documentation and run unit tests. The user can pass additional arguments to the
-# 'erl' command with ERL_FLAGS environment variable.
-EXEC_NON_INTERACTIVE = ['-noshell', '-noinput', '-eval']
-
-def configure(conf):
-	conf.find_program('erlc', var='ERLC')
-	conf.find_program('erl', var='ERL')
-	conf.add_os_flags('ERLC_FLAGS')
-	conf.add_os_flags('ERL_FLAGS')
-	conf.env.ERLC_DEF_PATTERN = '-D%s'
-	conf.env.ERLC_INC_PATTERN = '-I%s'
-
-@TaskGen.extension('.erl')
-def process_erl_node(self, node):
-	tsk = self.create_task('erl', node, node.change_ext('.beam'))
-	tsk.erlc_incnodes = [tsk.outputs[0].parent] + self.to_incnodes(self.includes)
-	tsk.env.append_value('ERLC_INCPATHS', [x.abspath() for x in tsk.erlc_incnodes])
-	tsk.env.append_value('ERLC_DEFINES', self.to_list(getattr(self, 'defines', [])))
-	tsk.env.append_value('ERLC_FLAGS', self.to_list(getattr(self, 'flags', [])))
-	tsk.cwd = tsk.outputs[0].parent
-
-class erl(Task.Task):
-	color = 'GREEN'
-	run_str = '${ERLC} ${ERL_FLAGS} ${ERLC_INC_PATTERN:ERLC_INCPATHS} ${ERLC_DEF_PATTERN:ERLC_DEFINES} ${SRC}'
-
-	def scan(task):
-		node = task.inputs[0]
-
-		deps = []
-		scanned = set([])
-		nodes_to_scan = [node]
-
-		for n in nodes_to_scan:
-			if n.abspath() in scanned:
-				continue
-
-			for i in re.findall(r'-include\("(.*)"\)\.', n.read()):
-				for d in task.erlc_incnodes:
-					r = d.find_node(i)
-					if r:
-						deps.append(r)
-						nodes_to_scan.append(r)
-						break
-			scanned.add(n.abspath())
-
-		return (deps, [])
-
-@TaskGen.extension('.beam')
-def process(self, node):
-	pass
-
-
-class erl_test(Task.Task):
-	color = 'BLUE'
-	run_str = '${ERL} ${ERL_FLAGS} ${ERL_TEST_FLAGS}'
-
-@feature('eunit')
-@after_method('process_source')
-def add_erl_test_run(self):
-	test_modules = [t.outputs[0] for t in self.tasks]
-	test_task = self.create_task('erl_test')
-	test_task.set_inputs(self.source + test_modules)
-	test_task.cwd = test_modules[0].parent
-
-	test_task.env.append_value('ERL_FLAGS', self.to_list(getattr(self, 'flags', [])))
-
-	test_list = ", ".join([m.change_ext("").path_from(test_task.cwd)+":test()" for m in test_modules])
-	test_flag = 'halt(case lists:all(fun(Elem) -> Elem == ok end, [%s]) of true -> 0; false -> 1 end).' % test_list
-	test_task.env.append_value('ERL_TEST_FLAGS', EXEC_NON_INTERACTIVE)
-	test_task.env.append_value('ERL_TEST_FLAGS', test_flag)
-
-
-class edoc(Task.Task):
-	color = 'BLUE'
-	run_str = "${ERL} ${ERL_FLAGS} ${ERL_DOC_FLAGS}"
-	def keyword(self):
-		return 'Generating edoc'
-
-@feature('edoc')
-@before_method('process_source')
-def add_edoc_task(self):
-	# do not process source, it would create double erl->beam task
-	self.meths.remove('process_source')
-	e = self.path.find_resource(self.source)
-	t = e.change_ext('.html')
-	png = t.parent.make_node('erlang.png')
-	css = t.parent.make_node('stylesheet.css')
-	tsk = self.create_task('edoc', e, [t, png, css])
-	tsk.cwd = tsk.outputs[0].parent
-	tsk.env.append_value('ERL_DOC_FLAGS', EXEC_NON_INTERACTIVE)
-	tsk.env.append_value('ERL_DOC_FLAGS', 'edoc:files(["%s"]), halt(0).' % tsk.inputs[0].abspath())
-	# TODO the above can break if a file path contains '"'
-
diff --git a/waflib/extras/fast_partial.py b/waflib/extras/fast_partial.py
deleted file mode 100644
index d5b61448..00000000
--- a/waflib/extras/fast_partial.py
+++ /dev/null
@@ -1,518 +0,0 @@
-#! /usr/bin/env python
-# encoding: utf-8
-# Thomas Nagy, 2017-2018 (ita)
-
-"""
-A system for fast partial rebuilds
-
-Creating a large amount of task objects up front can take some time.
-By making a few assumptions, it is possible to avoid posting creating
-task objects for targets that are already up-to-date.
-
-On a silly benchmark the gain observed for 1M tasks can be 5m->10s
-for a single file change.
-
-Usage::
-
-	def options(opt):
-		opt.load('fast_partial')
-
-Assumptions:
-* Mostly for C/C++/Fortran targets with link tasks (object-only targets are not handled)
-* For full project builds: no --targets and no pruning from subfolders
-* The installation phase is ignored
-* `use=` dependencies are specified up front even across build groups
-* Task generator source files are not obtained from globs
-
-Implementation details:
-* The first layer obtains file timestamps to recalculate file hashes only
-  when necessary (similar to md5_tstamp); the timestamps are then stored
-  in a dedicated pickle file
-* A second layer associates each task generator to a file set to help
-  detecting changes. Task generators are to create their tasks only when
-  the related files have been modified. A specific db file is created
-  to store such data (5m -> 1m10)
-* A third layer binds build context proxies onto task generators, replacing
-  the default context. While loading data for the full build uses more memory
-  (4GB -> 9GB), partial builds are then much faster (1m10 -> 13s)
-* A fourth layer enables a 2-level cache on file signatures to
-  reduce the size of the main pickle file (13s -> 10s)
-"""
-
-import os
-from waflib import Build, Context, Errors, Logs, Task, TaskGen, Utils
-from waflib.TaskGen import feature, after_method, taskgen_method
-import waflib.Node
-
-DONE = 0
-DIRTY = 1
-NEEDED = 2
-
-SKIPPABLE = ['cshlib', 'cxxshlib', 'cstlib', 'cxxstlib', 'cprogram', 'cxxprogram']
-
-TSTAMP_DB = '.wafpickle_tstamp_db_file'
-
-SAVED_ATTRS = 'root node_sigs task_sigs imp_sigs raw_deps node_deps'.split()
-
-class bld_proxy(object):
-	def __init__(self, bld):
-		object.__setattr__(self, 'bld', bld)
-
-		object.__setattr__(self, 'node_class', type('Nod3', (waflib.Node.Node,), {}))
-		self.node_class.__module__ = 'waflib.Node'
-		self.node_class.ctx = self
-
-		object.__setattr__(self, 'root', self.node_class('', None))
-		for x in SAVED_ATTRS:
-			if x != 'root':
-				object.__setattr__(self, x, {})
-
-		self.fix_nodes()
-
-	def __setattr__(self, name, value):
-		bld = object.__getattribute__(self, 'bld')
-		setattr(bld, name, value)
-
-	def __delattr__(self, name):
-		bld = object.__getattribute__(self, 'bld')
-		delattr(bld, name)
-
-	def __getattribute__(self, name):
-		try:
-			return object.__getattribute__(self, name)
-		except AttributeError:
-			bld = object.__getattribute__(self, 'bld')
-			return getattr(bld, name)
-
-	def __call__(self, *k, **kw):
-		return self.bld(*k, **kw)
-
-	def fix_nodes(self):
-		for x in ('srcnode', 'path', 'bldnode'):
-			node = self.root.find_dir(getattr(self.bld, x).abspath())
-			object.__setattr__(self, x, node)
-
-	def set_key(self, store_key):
-		object.__setattr__(self, 'store_key', store_key)
-
-	def fix_tg_path(self, *tgs):
-		# changing Node objects on task generators is possible
-		# yet, all Node objects must belong to the same parent
-		for tg in tgs:
-			tg.path = self.root.make_node(tg.path.abspath())
-
-	def restore(self):
-		dbfn = os.path.join(self.variant_dir, Context.DBFILE + self.store_key)
-		Logs.debug('rev_use: reading %s', dbfn)
-		try:
-			data = Utils.readf(dbfn, 'rb')
-		except (EnvironmentError, EOFError):
-			# handle missing file/empty file
-			Logs.debug('rev_use: Could not load the build cache %s (missing)', dbfn)
-		else:
-			try:
-				waflib.Node.pickle_lock.acquire()
-				waflib.Node.Nod3 = self.node_class
-				try:
-					data = Build.cPickle.loads(data)
-				except Exception as e:
-					Logs.debug('rev_use: Could not pickle the build cache %s: %r', dbfn, e)
-				else:
-					for x in SAVED_ATTRS:
-						object.__setattr__(self, x, data.get(x, {}))
-			finally:
-				waflib.Node.pickle_lock.release()
-		self.fix_nodes()
-
-	def store(self):
-		data = {}
-		for x in Build.SAVED_ATTRS:
-			data[x] = getattr(self, x)
-		db = os.path.join(self.variant_dir, Context.DBFILE + self.store_key)
-
-		try:
-			waflib.Node.pickle_lock.acquire()
-			waflib.Node.Nod3 = self.node_class
-			x = Build.cPickle.dumps(data, Build.PROTOCOL)
-		finally:
-			waflib.Node.pickle_lock.release()
-
-		Logs.debug('rev_use: storing %s', db)
-		Utils.writef(db + '.tmp', x, m='wb')
-		try:
-			st = os.stat(db)
-			os.remove(db)
-			if not Utils.is_win32:
-				os.chown(db + '.tmp', st.st_uid, st.st_gid)
-		except (AttributeError, OSError):
-			pass
-		os.rename(db + '.tmp', db)
-
-class bld(Build.BuildContext):
-	def __init__(self, **kw):
-		super(bld, self).__init__(**kw)
-		self.hashes_md5_tstamp = {}
-
-	def __call__(self, *k, **kw):
-		# this is one way of doing it, one could use a task generator method too
-		bld = kw['bld'] = bld_proxy(self)
-		ret = TaskGen.task_gen(*k, **kw)
-		self.task_gen_cache_names = {}
-		self.add_to_group(ret, group=kw.get('group'))
-		ret.bld = bld
-		bld.set_key(ret.path.abspath().replace(os.sep, '') + str(ret.idx))
-		return ret
-
-	def is_dirty(self):
-		return True
-
-	def store_tstamps(self):
-		# Called after a build is finished
-		# For each task generator, record all files involved in task objects
-		# optimization: done only if there was something built
-		do_store = False
-		try:
-			f_deps = self.f_deps
-		except AttributeError:
-			f_deps = self.f_deps = {}
-			self.f_tstamps = {}
-
-		allfiles = set()
-		for g in self.groups:
-			for tg in g:
-				try:
-					staleness = tg.staleness
-				except AttributeError:
-					staleness = DIRTY
-
-				if staleness != DIRTY:
-					# DONE case: there was nothing built
-					# NEEDED case: the tg was brought in because of 'use' propagation
-					# but nothing really changed for them, there may be incomplete
-					# tasks (object files) and in this case it is best to let the next build
-					# figure out if an input/output file changed
-					continue
-
-				do_cache = False
-				for tsk in tg.tasks:
-					if tsk.hasrun == Task.SUCCESS:
-						do_cache = True
-						pass
-					elif tsk.hasrun == Task.SKIPPED:
-						pass
-					else:
-						# one failed task, clear the cache for this tg
-						try:
-							del f_deps[(tg.path.abspath(), tg.idx)]
-						except KeyError:
-							pass
-						else:
-							# just store the new state because there is a change
-							do_store = True
-
-						# skip the rest because there is no valid cache possible
-						break
-				else:
-					if not do_cache:
-						# all skipped, but is there anything in cache?
-						try:
-							f_deps[(tg.path.abspath(), tg.idx)]
-						except KeyError:
-							# probably cleared because a wscript file changed
-							# store it
-							do_cache = True
-
-					if do_cache:
-
-						# there was a rebuild, store the data structure too
-						tg.bld.store()
-
-						# all tasks skipped but no cache
-						# or a successful task build
-						do_store = True
-						st = set()
-						for tsk in tg.tasks:
-							st.update(tsk.inputs)
-							st.update(self.node_deps.get(tsk.uid(), []))
-
-						# TODO do last/when loading the tgs?
-						lst = []
-						for k in ('wscript', 'wscript_build'):
-							n = tg.path.find_node(k)
-							if n:
-								n.get_bld_sig()
-								lst.append(n.abspath())
-
-						lst.extend(sorted(x.abspath() for x in st))
-						allfiles.update(lst)
-						f_deps[(tg.path.abspath(), tg.idx)] = lst
-
-		for x in allfiles:
-			# f_tstamps has everything, while md5_tstamp can be relatively empty on partial builds
-			self.f_tstamps[x] = self.hashes_md5_tstamp[x][0]
-
-		if do_store:
-			dbfn = os.path.join(self.variant_dir, TSTAMP_DB)
-			Logs.debug('rev_use: storing %s', dbfn)
-			dbfn_tmp = dbfn + '.tmp'
-			x = Build.cPickle.dumps([self.f_tstamps, f_deps], Build.PROTOCOL)
-			Utils.writef(dbfn_tmp, x, m='wb')
-			os.rename(dbfn_tmp, dbfn)
-			Logs.debug('rev_use: stored %s', dbfn)
-
-	def store(self):
-		self.store_tstamps()
-		if self.producer.dirty:
-			Build.BuildContext.store(self)
-
-	def compute_needed_tgs(self):
-		# assume the 'use' keys are not modified during the build phase
-
-		dbfn = os.path.join(self.variant_dir, TSTAMP_DB)
-		Logs.debug('rev_use: Loading %s', dbfn)
-		try:
-			data = Utils.readf(dbfn, 'rb')
-		except (EnvironmentError, EOFError):
-			Logs.debug('rev_use: Could not load the build cache %s (missing)', dbfn)
-			self.f_deps = {}
-			self.f_tstamps = {}
-		else:
-			try:
-				self.f_tstamps, self.f_deps = Build.cPickle.loads(data)
-			except Exception as e:
-				Logs.debug('rev_use: Could not pickle the build cache %s: %r', dbfn, e)
-				self.f_deps = {}
-				self.f_tstamps = {}
-			else:
-				Logs.debug('rev_use: Loaded %s', dbfn)
-
-
-		# 1. obtain task generators that contain rebuilds
-		# 2. obtain the 'use' graph and its dual
-		stales = set()
-		reverse_use_map = Utils.defaultdict(list)
-		use_map = Utils.defaultdict(list)
-
-		for g in self.groups:
-			for tg in g:
-				if tg.is_stale():
-					stales.add(tg)
-
-				try:
-					lst = tg.use = Utils.to_list(tg.use)
-				except AttributeError:
-					pass
-				else:
-					for x in lst:
-						try:
-							xtg = self.get_tgen_by_name(x)
-						except Errors.WafError:
-							pass
-						else:
-							use_map[tg].append(xtg)
-							reverse_use_map[xtg].append(tg)
-
-		Logs.debug('rev_use: found %r stale tgs', len(stales))
-
-		# 3. dfs to post downstream tg as stale
-		visited = set()
-		def mark_down(tg):
-			if tg in visited:
-				return
-			visited.add(tg)
-			Logs.debug('rev_use: marking down %r as stale', tg.name)
-			tg.staleness = DIRTY
-			for x in reverse_use_map[tg]:
-				mark_down(x)
-		for tg in stales:
-			mark_down(tg)
-
-		# 4. dfs to find ancestors tg to mark as needed
-		self.needed_tgs = needed_tgs = set()
-		def mark_needed(tg):
-			if tg in needed_tgs:
-				return
-			needed_tgs.add(tg)
-			if tg.staleness == DONE:
-				Logs.debug('rev_use: marking up %r as needed', tg.name)
-				tg.staleness = NEEDED
-			for x in use_map[tg]:
-				mark_needed(x)
-		for xx in visited:
-			mark_needed(xx)
-
-		# so we have the whole tg trees to post in the set "needed"
-		# load their build trees
-		for tg in needed_tgs:
-			tg.bld.restore()
-			tg.bld.fix_tg_path(tg)
-
-		# the stale ones should be fully build, while the needed ones
-		# may skip a few tasks, see create_compiled_task and apply_link_after below
-		Logs.debug('rev_use: amount of needed task gens: %r', len(needed_tgs))
-
-	def post_group(self):
-		# assumption: we can ignore the folder/subfolders cuts
-		def tgpost(tg):
-			try:
-				f = tg.post
-			except AttributeError:
-				pass
-			else:
-				f()
-
-		if not self.targets or self.targets == '*':
-			for tg in self.groups[self.current_group]:
-				# this can cut quite a lot of tg objects
-				if tg in self.needed_tgs:
-					tgpost(tg)
-		else:
-			# default implementation
-			return Build.BuildContext.post_group()
-
-	def get_build_iterator(self):
-		if not self.targets or self.targets == '*':
-			self.compute_needed_tgs()
-		return Build.BuildContext.get_build_iterator(self)
-
-@taskgen_method
-def is_stale(self):
-	# assume no globs
-	self.staleness = DIRTY
-
-	# 1. the case of always stale targets
-	if getattr(self, 'always_stale', False):
-		return True
-
-	# 2. check if the db file exists
-	db = os.path.join(self.bld.variant_dir, Context.DBFILE)
-	try:
-		dbstat = os.stat(db).st_mtime
-	except OSError:
-		Logs.debug('rev_use: must post %r because this is a clean build')
-		return True
-
-	# 3. check if the configuration changed
-	if os.stat(self.bld.bldnode.find_node('c4che/build.config.py').abspath()).st_mtime > dbstat:
-		Logs.debug('rev_use: must post %r because the configuration has changed', self.name)
-		return True
-
-	# 3.a any tstamp data?
-	try:
-		f_deps = self.bld.f_deps
-	except AttributeError:
-		Logs.debug('rev_use: must post %r because there is no f_deps', self.name)
-		return True
-
-	# 4. check if this is the first build (no cache)
-	try:
-		lst = f_deps[(self.path.abspath(), self.idx)]
-	except KeyError:
-		Logs.debug('rev_use: must post %r because there it has no cached data', self.name)
-		return True
-
-	try:
-		cache = self.bld.cache_tstamp_rev_use
-	except AttributeError:
-		cache = self.bld.cache_tstamp_rev_use = {}
-
-	# 5. check the timestamp of each dependency files listed is unchanged
-	f_tstamps = self.bld.f_tstamps
-	for x in lst:
-		try:
-			old_ts = f_tstamps[x]
-		except KeyError:
-			Logs.debug('rev_use: must post %r because %r is not in cache', self.name, x)
-			return True
-
-		try:
-			try:
-				ts = cache[x]
-			except KeyError:
-				ts = cache[x] = os.stat(x).st_mtime
-		except OSError:
-			del f_deps[(self.path.abspath(), self.idx)]
-			Logs.debug('rev_use: must post %r because %r does not exist anymore', self.name, x)
-			return True
-		else:
-			if ts != old_ts:
-				Logs.debug('rev_use: must post %r because the timestamp on %r changed %r %r', self.name, x, old_ts, ts)
-				return True
-
-	self.staleness = DONE
-	return False
-
-@taskgen_method
-def create_compiled_task(self, name, node):
-	# skip the creation of object files
-	# assumption: object-only targets are not skippable
-	if self.staleness == NEEDED:
-		# only libraries/programs can skip object files
-		for x in SKIPPABLE:
-			if x in self.features:
-				return None
-
-	out = '%s.%d.o' % (node.name, self.idx)
-	task = self.create_task(name, node, node.parent.find_or_declare(out))
-	try:
-		self.compiled_tasks.append(task)
-	except AttributeError:
-		self.compiled_tasks = [task]
-	return task
-
-@feature(*SKIPPABLE)
-@after_method('apply_link')
-def apply_link_after(self):
-	# cprogram/cxxprogram might be unnecessary
-	if self.staleness != NEEDED:
-		return
-	for tsk in self.tasks:
-		tsk.hasrun = Task.SKIPPED
-
-def path_from(self, node):
-	# handle nodes of distinct types
-	if node.ctx is not self.ctx:
-		node = self.ctx.root.make_node(node.abspath())
-	return self.default_path_from(node)
-waflib.Node.Node.default_path_from = waflib.Node.Node.path_from
-waflib.Node.Node.path_from = path_from
-
-def h_file(self):
-	# similar to md5_tstamp.py, but with 2-layer cache
-	# global_cache for the build context common for all task generators
-	# local_cache for the build context proxy (one by task generator)
-	#
-	# the global cache is not persistent
-	# the local cache is persistent and meant for partial builds
-	#
-	# assume all calls are made from a single thread
-	#
-	filename = self.abspath()
-	st = os.stat(filename)
-
-	global_cache = self.ctx.bld.hashes_md5_tstamp
-	local_cache = self.ctx.hashes_md5_tstamp
-
-	if filename in global_cache:
-		# value already calculated in this build
-		cval = global_cache[filename]
-
-		# the value in global cache is assumed to be calculated once
-		# reverifying it could cause task generators
-		# to get distinct tstamp values, thus missing rebuilds
-		local_cache[filename] = cval
-		return cval[1]
-
-	if filename in local_cache:
-		cval = local_cache[filename]
-		if cval[0] == st.st_mtime:
-			# correct value from a previous build
-			# put it in the global cache
-			global_cache[filename] = cval
-			return cval[1]
-
-	ret = Utils.h_file(filename)
-	local_cache[filename] = global_cache[filename] = (st.st_mtime, ret)
-	return ret
-waflib.Node.Node.h_file = h_file
-
diff --git a/waflib/extras/fc_bgxlf.py b/waflib/extras/fc_bgxlf.py
deleted file mode 100644
index cca18101..00000000
--- a/waflib/extras/fc_bgxlf.py
+++ /dev/null
@@ -1,32 +0,0 @@
-#! /usr/bin/env python
-# encoding: utf-8
-# harald at klimachs.de
-
-from waflib.Tools import fc, fc_config, fc_scan
-from waflib.Configure import conf
-
-from waflib.Tools.compiler_fc import fc_compiler
-fc_compiler['linux'].insert(0, 'fc_bgxlf')
-
-@conf
-def find_bgxlf(conf):
-	fc = conf.find_program(['bgxlf2003_r','bgxlf2003'], var='FC')
-	conf.get_xlf_version(fc)
-	conf.env.FC_NAME = 'BGXLF'
-
-@conf
-def bg_flags(self):
-	self.env.SONAME_ST		 = ''
-	self.env.FCSHLIB_MARKER	= ''
-	self.env.FCSTLIB_MARKER	= ''
-	self.env.FCFLAGS_fcshlib   = ['-fPIC']
-	self.env.LINKFLAGS_fcshlib = ['-G', '-Wl,-bexpfull']
-
-def configure(conf):
-	conf.find_bgxlf()
-	conf.find_ar()
-	conf.fc_flags()
-	conf.fc_add_flags()
-	conf.xlf_flags()
-	conf.bg_flags()
-
diff --git a/waflib/extras/fc_cray.py b/waflib/extras/fc_cray.py
deleted file mode 100644
index da733fad..00000000
--- a/waflib/extras/fc_cray.py
+++ /dev/null
@@ -1,51 +0,0 @@
-#! /usr/bin/env python
-# encoding: utf-8
-# harald at klimachs.de
-
-import re
-from waflib.Tools import fc, fc_config, fc_scan
-from waflib.Configure import conf
-
-from waflib.Tools.compiler_fc import fc_compiler
-fc_compiler['linux'].append('fc_cray')
-
-@conf
-def find_crayftn(conf):
-	"""Find the Cray fortran compiler (will look in the environment variable 'FC')"""
-	fc = conf.find_program(['crayftn'], var='FC')
-	conf.get_crayftn_version(fc)
-	conf.env.FC_NAME = 'CRAY'
-	conf.env.FC_MOD_CAPITALIZATION = 'UPPER.mod'
-
-@conf
-def crayftn_flags(conf):
-	v = conf.env
-	v['_FCMODOUTFLAGS']  = ['-em', '-J.'] # enable module files and put them in the current directory
-	v['FCFLAGS_DEBUG'] = ['-m1'] # more verbose compiler warnings
-	v['FCFLAGS_fcshlib']   = ['-h pic']
-	v['LINKFLAGS_fcshlib'] = ['-h shared']
-
-	v['FCSTLIB_MARKER'] = '-h static'
-	v['FCSHLIB_MARKER'] = '-h dynamic'
-
-@conf
-def get_crayftn_version(conf, fc):
-		version_re = re.compile(r"Cray Fortran\s*:\s*Version\s*(?P<major>\d*)\.(?P<minor>\d*)", re.I).search
-		cmd = fc + ['-V']
-		out,err = fc_config.getoutput(conf, cmd, stdin=False)
-		if out:
-			match = version_re(out)
-		else:
-			match = version_re(err)
-		if not match:
-				conf.fatal('Could not determine the Cray Fortran compiler version.')
-		k = match.groupdict()
-		conf.env['FC_VERSION'] = (k['major'], k['minor'])
-
-def configure(conf):
-	conf.find_crayftn()
-	conf.find_ar()
-	conf.fc_flags()
-	conf.fc_add_flags()
-	conf.crayftn_flags()
-
diff --git a/waflib/extras/fc_nag.py b/waflib/extras/fc_nag.py
deleted file mode 100644
index edcb218b..00000000
--- a/waflib/extras/fc_nag.py
+++ /dev/null
@@ -1,61 +0,0 @@
-#! /usr/bin/env python
-# encoding: utf-8
-# harald at klimachs.de
-
-import re
-from waflib import Utils
-from waflib.Tools import fc,fc_config,fc_scan
-from waflib.Configure import conf
-
-from waflib.Tools.compiler_fc import fc_compiler
-fc_compiler['linux'].insert(0, 'fc_nag')
-
-@conf
-def find_nag(conf):
-	"""Find the NAG Fortran Compiler (will look in the environment variable 'FC')"""
-
-	fc = conf.find_program(['nagfor'], var='FC')
-	conf.get_nag_version(fc)
-	conf.env.FC_NAME = 'NAG'
-	conf.env.FC_MOD_CAPITALIZATION = 'lower'
-
-@conf
-def nag_flags(conf):
-	v = conf.env
-	v.FCFLAGS_DEBUG = ['-C=all']
-	v.FCLNK_TGT_F = ['-o', '']
-	v.FC_TGT_F = ['-c', '-o', '']
-
-@conf
-def nag_modifier_platform(conf):
-	dest_os = conf.env['DEST_OS'] or Utils.unversioned_sys_platform()
-	nag_modifier_func = getattr(conf, 'nag_modifier_' + dest_os, None)
-	if nag_modifier_func:
-		nag_modifier_func()
-
-@conf
-def get_nag_version(conf, fc):
-	"""Get the NAG compiler version"""
-
-	version_re = re.compile(r"^NAG Fortran Compiler *Release *(?P<major>\d*)\.(?P<minor>\d*)", re.M).search
-	cmd = fc + ['-V']
-
-	out, err = fc_config.getoutput(conf,cmd,stdin=False)
-	if out:
-		match = version_re(out)
-		if not match:
-			match = version_re(err)
-	else: match = version_re(err)
-	if not match:
-		conf.fatal('Could not determine the NAG version.')
-	k = match.groupdict()
-	conf.env['FC_VERSION'] = (k['major'], k['minor'])
-
-def configure(conf):
-	conf.find_nag()
-	conf.find_ar()
-	conf.fc_flags()
-	conf.fc_add_flags()
-	conf.nag_flags()
-	conf.nag_modifier_platform()
-
diff --git a/waflib/extras/fc_nec.py b/waflib/extras/fc_nec.py
deleted file mode 100644
index 67c86808..00000000
--- a/waflib/extras/fc_nec.py
+++ /dev/null
@@ -1,60 +0,0 @@
-#! /usr/bin/env python
-# encoding: utf-8
-# harald at klimachs.de
-
-import re
-from waflib.Tools import fc, fc_config, fc_scan
-from waflib.Configure import conf
-
-from waflib.Tools.compiler_fc import fc_compiler
-fc_compiler['linux'].append('fc_nec')
-
-@conf
-def find_sxfc(conf):
-	"""Find the NEC fortran compiler (will look in the environment variable 'FC')"""
-	fc = conf.find_program(['sxf90','sxf03'], var='FC')
-	conf.get_sxfc_version(fc)
-	conf.env.FC_NAME = 'NEC'
-	conf.env.FC_MOD_CAPITALIZATION = 'lower'
-
-@conf
-def sxfc_flags(conf):
-	v = conf.env
-	v['_FCMODOUTFLAGS']  = [] # enable module files and put them in the current directory
-	v['FCFLAGS_DEBUG'] = [] # more verbose compiler warnings
-	v['FCFLAGS_fcshlib']   = []
-	v['LINKFLAGS_fcshlib'] = []
-
-	v['FCSTLIB_MARKER'] = ''
-	v['FCSHLIB_MARKER'] = ''
-
-@conf
-def get_sxfc_version(conf, fc):
-	version_re = re.compile(r"FORTRAN90/SX\s*Version\s*(?P<major>\d*)\.(?P<minor>\d*)", re.I).search
-	cmd = fc + ['-V']
-	out,err = fc_config.getoutput(conf, cmd, stdin=False)
-	if out:
-		match = version_re(out)
-	else:
-		match = version_re(err)
-	if not match:
-		version_re=re.compile(r"NEC Fortran 2003 Compiler for\s*(?P<major>\S*)\s*\(c\)\s*(?P<minor>\d*)",re.I).search
-		if out:
-			match = version_re(out)
-		else:
-			match = version_re(err)
-		if not match:
-			conf.fatal('Could not determine the NEC Fortran compiler version.')
-	k = match.groupdict()
-	conf.env['FC_VERSION'] = (k['major'], k['minor'])
-
-def configure(conf):
-	conf.find_sxfc()
-	conf.find_program('sxar',var='AR')
-	conf.add_os_flags('ARFLAGS')
-	if not conf.env.ARFLAGS:
-		conf.env.ARFLAGS=['rcs']
-
-	conf.fc_flags()
-	conf.fc_add_flags()
-	conf.sxfc_flags()
diff --git a/waflib/extras/fc_nfort.py b/waflib/extras/fc_nfort.py
deleted file mode 100644
index c25886b8..00000000
--- a/waflib/extras/fc_nfort.py
+++ /dev/null
@@ -1,52 +0,0 @@
-#! /usr/bin/env python
-# encoding: utf-8
-# Detection of the NEC Fortran compiler for Aurora Tsubasa
-
-import re
-from waflib.Tools import fc,fc_config,fc_scan
-from waflib.Configure import conf
-from waflib.Tools.compiler_fc import fc_compiler
-fc_compiler['linux'].append('fc_nfort')
-
-@conf
-def find_nfort(conf):
-	fc=conf.find_program(['nfort'],var='FC')
-	conf.get_nfort_version(fc)
-	conf.env.FC_NAME='NFORT'
-	conf.env.FC_MOD_CAPITALIZATION='lower'
-
-@conf
-def nfort_flags(conf):
-	v=conf.env
-	v['_FCMODOUTFLAGS']=[]
-	v['FCFLAGS_DEBUG']=[]
-	v['FCFLAGS_fcshlib']=[]
-	v['LINKFLAGS_fcshlib']=[]
-	v['FCSTLIB_MARKER']=''
-	v['FCSHLIB_MARKER']=''
-
-@conf
-def get_nfort_version(conf,fc):
-	version_re=re.compile(r"nfort\s*\(NFORT\)\s*(?P<major>\d+)\.(?P<minor>\d+)\.",re.I).search
-	cmd=fc+['--version']
-	out,err=fc_config.getoutput(conf,cmd,stdin=False)
-	if out:
-		match=version_re(out)
-	else:
-		match=version_re(err)
-	if not match:
-		return(False)
-		conf.fatal('Could not determine the NEC NFORT Fortran compiler version.')
-	else:
-		k=match.groupdict()
-		conf.env['FC_VERSION']=(k['major'],k['minor'])
-
-def configure(conf):
-	conf.find_nfort()
-	conf.find_program('nar',var='AR')
-	conf.add_os_flags('ARFLAGS')
-	if not conf.env.ARFLAGS:
-		conf.env.ARFLAGS=['rcs']
-	conf.fc_flags()
-	conf.fc_add_flags()
-	conf.nfort_flags()
diff --git a/waflib/extras/fc_open64.py b/waflib/extras/fc_open64.py
deleted file mode 100644
index 413719f4..00000000
--- a/waflib/extras/fc_open64.py
+++ /dev/null
@@ -1,58 +0,0 @@
-#! /usr/bin/env python
-# encoding: utf-8
-# harald at klimachs.de
-
-import re
-from waflib import Utils
-from waflib.Tools import fc,fc_config,fc_scan
-from waflib.Configure import conf
-
-from waflib.Tools.compiler_fc import fc_compiler
-fc_compiler['linux'].insert(0, 'fc_open64')
-
-@conf
-def find_openf95(conf):
-	"""Find the Open64 Fortran Compiler (will look in the environment variable 'FC')"""
-
-	fc = conf.find_program(['openf95', 'openf90'], var='FC')
-	conf.get_open64_version(fc)
-	conf.env.FC_NAME = 'OPEN64'
-	conf.env.FC_MOD_CAPITALIZATION = 'UPPER.mod'
-
-@conf
-def openf95_flags(conf):
-	v = conf.env
-	v['FCFLAGS_DEBUG'] = ['-fullwarn']
-
-@conf
-def openf95_modifier_platform(conf):
-	dest_os = conf.env['DEST_OS'] or Utils.unversioned_sys_platform()
-	openf95_modifier_func = getattr(conf, 'openf95_modifier_' + dest_os, None)
-	if openf95_modifier_func:
-		openf95_modifier_func()
-
-@conf
-def get_open64_version(conf, fc):
-	"""Get the Open64 compiler version"""
-
-	version_re = re.compile(r"Open64 Compiler Suite: *Version *(?P<major>\d*)\.(?P<minor>\d*)", re.I).search
-	cmd = fc + ['-version']
-
-	out, err = fc_config.getoutput(conf,cmd,stdin=False)
-	if out:
-		match = version_re(out)
-	else:
-		match = version_re(err)
-	if not match:
-		conf.fatal('Could not determine the Open64 version.')
-	k = match.groupdict()
-	conf.env['FC_VERSION'] = (k['major'], k['minor'])
-
-def configure(conf):
-	conf.find_openf95()
-	conf.find_ar()
-	conf.fc_flags()
-	conf.fc_add_flags()
-	conf.openf95_flags()
-	conf.openf95_modifier_platform()
-
diff --git a/waflib/extras/fc_pgfortran.py b/waflib/extras/fc_pgfortran.py
deleted file mode 100644
index afb2817b..00000000
--- a/waflib/extras/fc_pgfortran.py
+++ /dev/null
@@ -1,68 +0,0 @@
-#! /usr/bin/env python
-# encoding: utf-8
-# harald at klimachs.de
-
-import re
-from waflib.Tools import fc, fc_config, fc_scan
-from waflib.Configure import conf
-
-from waflib.Tools.compiler_fc import fc_compiler
-fc_compiler['linux'].append('fc_pgfortran')
-
-@conf
-def find_pgfortran(conf):
-	"""Find the PGI fortran compiler (will look in the environment variable 'FC')"""
-	fc = conf.find_program(['pgfortran', 'pgf95', 'pgf90'], var='FC')
-	conf.get_pgfortran_version(fc)
-	conf.env.FC_NAME = 'PGFC'
-
-@conf
-def pgfortran_flags(conf):
-	v = conf.env
-	v['FCFLAGS_fcshlib']   = ['-shared']
-	v['FCFLAGS_DEBUG'] = ['-Minform=inform', '-Mstandard'] # why not
-	v['FCSTLIB_MARKER'] = '-Bstatic'
-	v['FCSHLIB_MARKER'] = '-Bdynamic'
-	v['SONAME_ST']	  = '-soname %s'
-
-@conf
-def get_pgfortran_version(conf,fc):
-		version_re = re.compile(r"The Portland Group", re.I).search
-		cmd = fc + ['-V']
-		out,err = fc_config.getoutput(conf, cmd, stdin=False)
-		if out:
-			match = version_re(out)
-		else:
-			match = version_re(err)
-		if not match:
-				conf.fatal('Could not verify PGI signature')
-		cmd = fc + ['-help=variable']
-		out,err = fc_config.getoutput(conf, cmd, stdin=False)
-		if out.find('COMPVER')<0:
-				conf.fatal('Could not determine the compiler type')
-		k = {}
-		prevk = ''
-		out = out.splitlines()
-		for line in out:
-				lst = line.partition('=')
-				if lst[1] == '=':
-						key = lst[0].rstrip()
-						if key == '':
-							key = prevk
-						val = lst[2].rstrip()
-						k[key] = val
-				else:
-					prevk = line.partition(' ')[0]
-		def isD(var):
-				return var in k
-		def isT(var):
-				return var in k and k[var]!='0'
-		conf.env['FC_VERSION'] = (k['COMPVER'].split('.'))
-
-def configure(conf):
-	conf.find_pgfortran()
-	conf.find_ar()
-	conf.fc_flags()
-	conf.fc_add_flags()
-	conf.pgfortran_flags()
-
diff --git a/waflib/extras/fc_solstudio.py b/waflib/extras/fc_solstudio.py
deleted file mode 100644
index 53766df8..00000000
--- a/waflib/extras/fc_solstudio.py
+++ /dev/null
@@ -1,62 +0,0 @@
-#! /usr/bin/env python
-# encoding: utf-8
-# harald at klimachs.de
-
-import re
-from waflib import Utils
-from waflib.Tools import fc,fc_config,fc_scan
-from waflib.Configure import conf
-
-from waflib.Tools.compiler_fc import fc_compiler
-fc_compiler['linux'].append('fc_solstudio')
-
-@conf
-def find_solstudio(conf):
-	"""Find the Solaris Studio compiler (will look in the environment variable 'FC')"""
-
-	fc = conf.find_program(['sunf95', 'f95', 'sunf90', 'f90'], var='FC')
-	conf.get_solstudio_version(fc)
-	conf.env.FC_NAME = 'SOL'
-
-@conf
-def solstudio_flags(conf):
-	v = conf.env
-	v['FCFLAGS_fcshlib'] = ['-Kpic']
-	v['FCFLAGS_DEBUG'] = ['-w3']
-	v['LINKFLAGS_fcshlib'] = ['-G']
-	v['FCSTLIB_MARKER'] = '-Bstatic'
-	v['FCSHLIB_MARKER'] = '-Bdynamic'
-	v['SONAME_ST']      = '-h %s'
-
-@conf
-def solstudio_modifier_platform(conf):
-	dest_os = conf.env['DEST_OS'] or Utils.unversioned_sys_platform()
-	solstudio_modifier_func = getattr(conf, 'solstudio_modifier_' + dest_os, None)
-	if solstudio_modifier_func:
-		solstudio_modifier_func()
-
-@conf
-def get_solstudio_version(conf, fc):
-	"""Get the compiler version"""
-
-	version_re = re.compile(r"Sun Fortran 95 *(?P<major>\d*)\.(?P<minor>\d*)", re.I).search
-	cmd = fc + ['-V']
-
-	out, err = fc_config.getoutput(conf,cmd,stdin=False)
-	if out:
-		match = version_re(out)
-	else:
-		match = version_re(err)
-	if not match:
-		conf.fatal('Could not determine the Sun Studio Fortran version.')
-	k = match.groupdict()
-	conf.env['FC_VERSION'] = (k['major'], k['minor'])
-
-def configure(conf):
-	conf.find_solstudio()
-	conf.find_ar()
-	conf.fc_flags()
-	conf.fc_add_flags()
-	conf.solstudio_flags()
-	conf.solstudio_modifier_platform()
-
diff --git a/waflib/extras/fc_xlf.py b/waflib/extras/fc_xlf.py
deleted file mode 100644
index 5a3da034..00000000
--- a/waflib/extras/fc_xlf.py
+++ /dev/null
@@ -1,63 +0,0 @@
-#! /usr/bin/env python
-# encoding: utf-8
-# harald at klimachs.de
-
-import re
-from waflib import Utils,Errors
-from waflib.Tools import fc,fc_config,fc_scan
-from waflib.Configure import conf
-
-from waflib.Tools.compiler_fc import fc_compiler
-fc_compiler['aix'].insert(0, 'fc_xlf')
-
-@conf
-def find_xlf(conf):
-	"""Find the xlf program (will look in the environment variable 'FC')"""
-
-	fc = conf.find_program(['xlf2003_r', 'xlf2003', 'xlf95_r', 'xlf95', 'xlf90_r', 'xlf90', 'xlf_r', 'xlf'], var='FC')
-	conf.get_xlf_version(fc)
-	conf.env.FC_NAME='XLF'
-
-@conf
-def xlf_flags(conf):
-	v = conf.env
-	v['FCDEFINES_ST'] = '-WF,-D%s'
-	v['FCFLAGS_fcshlib'] = ['-qpic=small']
-	v['FCFLAGS_DEBUG'] = ['-qhalt=w']
-	v['LINKFLAGS_fcshlib'] = ['-Wl,-shared']
-
-@conf
-def xlf_modifier_platform(conf):
-	dest_os = conf.env['DEST_OS'] or Utils.unversioned_sys_platform()
-	xlf_modifier_func = getattr(conf, 'xlf_modifier_' + dest_os, None)
-	if xlf_modifier_func:
-		xlf_modifier_func()
-
-@conf
-def get_xlf_version(conf, fc):
-	"""Get the compiler version"""
-
-	cmd = fc + ['-qversion']
-	try:
-		out, err = conf.cmd_and_log(cmd, output=0)
-	except Errors.WafError:
-		conf.fatal('Could not find xlf %r' % cmd)
-
-	for v in (r"IBM XL Fortran.* V(?P<major>\d*)\.(?P<minor>\d*)",):
-		version_re = re.compile(v, re.I).search
-		match = version_re(out or err)
-		if match:
-			k = match.groupdict()
-			conf.env['FC_VERSION'] = (k['major'], k['minor'])
-			break
-	else:
-		conf.fatal('Could not determine the XLF version.')
-
-def configure(conf):
-	conf.find_xlf()
-	conf.find_ar()
-	conf.fc_flags()
-	conf.fc_add_flags()
-	conf.xlf_flags()
-	conf.xlf_modifier_platform()
-
diff --git a/waflib/extras/file_to_object.py b/waflib/extras/file_to_object.py
deleted file mode 100644
index 1393b511..00000000
--- a/waflib/extras/file_to_object.py
+++ /dev/null
@@ -1,137 +0,0 @@
-#!/usr/bin/python
-# -*- coding: utf-8 -*-
-# Tool to embed file into objects
-
-__author__ = __maintainer__ = "Jérôme Carretero <cJ-waf@zougloub.eu>"
-__copyright__ = "Jérôme Carretero, 2014"
-
-"""
-
-This tool allows to embed file contents in object files (.o).
-It is not exactly portable, and the file contents are reachable
-using various non-portable fashions.
-The goal here is to provide a functional interface to the embedding
-of file data in objects.
-See the ``playground/embedded_resources`` example for an example.
-
-Usage::
-
-   bld(
-    name='pipeline',
-     # ^ Reference this in use="..." for things using the generated code
-    features='file_to_object',
-    source='some.file',
-     # ^ Name of the file to embed in binary section.
-   )
-
-Known issues:
-
-- Destination is named like source, with extension renamed to .o
-  eg. some.file -> some.o
-
-"""
-
-import os
-from waflib import Task, TaskGen, Errors
-
-def filename_c_escape(x):
-	return x.replace("\\", "\\\\")
-
-class file_to_object_s(Task.Task):
-	color = 'CYAN'
-	vars = ['DEST_CPU', 'DEST_BINFMT']
-
-	def run(self):
-		name = []
-		for i, x in enumerate(self.inputs[0].name):
-			if x.isalnum():
-				name.append(x)
-			else:
-				name.append('_')
-		file = self.inputs[0].abspath()
-		size = os.path.getsize(file)
-		if self.env.DEST_CPU in ('x86_64', 'ia', 'aarch64'):
-			unit = 'quad'
-			align = 8
-		elif self.env.DEST_CPU in ('x86','arm', 'thumb', 'm68k'):
-			unit = 'long'
-			align = 4
-		else:
-			raise Errors.WafError("Unsupported DEST_CPU, please report bug!")
-
-		file = filename_c_escape(file)
-		name = "_binary_" + "".join(name)
-		rodata = ".section .rodata"
-		if self.env.DEST_BINFMT == "mac-o":
-			name = "_" + name
-			rodata = ".section __TEXT,__const"
-
-		with open(self.outputs[0].abspath(), 'w') as f:
-			f.write(\
-"""
-	.global %(name)s_start
-	.global %(name)s_end
-	.global %(name)s_size
-	%(rodata)s
-%(name)s_start:
-	.incbin "%(file)s"
-%(name)s_end:
-	.align %(align)d
-%(name)s_size:
-	.%(unit)s 0x%(size)x
-""" % locals())
-
-class file_to_object_c(Task.Task):
-	color = 'CYAN'
-	def run(self):
-		name = []
-		for i, x in enumerate(self.inputs[0].name):
-			if x.isalnum():
-				name.append(x)
-			else:
-				name.append('_')
-		file = self.inputs[0].abspath()
-		size = os.path.getsize(file)
-
-		name = "_binary_" + "".join(name)
-
-		data = self.inputs[0].read('rb')
-		lines, line = [], []
-		for idx_byte, byte in enumerate(data):
-			line.append(byte)
-			if len(line) > 15 or idx_byte == size-1:
-				lines.append(", ".join(("0x%02x" % ord(x)) for x in line))
-				line = []
-		data = ",\n ".join(lines)
-
-		self.outputs[0].write(\
-"""
-unsigned long %(name)s_size = %(size)dL;
-char const %(name)s_start[] = {
- %(data)s
-};
-char const %(name)s_end[] = {};
-""" % locals())
-
-@TaskGen.feature('file_to_object')
-@TaskGen.before_method('process_source')
-def tg_file_to_object(self):
-	bld = self.bld
-	sources = self.to_nodes(self.source)
-	targets = []
-	for src in sources:
-		if bld.env.F2O_METHOD == ["asm"]:
-			tgt = src.parent.find_or_declare(src.name + '.f2o.s')
-			tsk = self.create_task('file_to_object_s', src, tgt)
-			tsk.cwd = src.parent.abspath() # verify
-		else:
-			tgt = src.parent.find_or_declare(src.name + '.f2o.c')
-			tsk = self.create_task('file_to_object_c', src, tgt)
-			tsk.cwd = src.parent.abspath() # verify
-		targets.append(tgt)
-	self.source = targets
-
-def configure(conf):
-	conf.load('gas')
-	conf.env.F2O_METHOD = ["c"]
-
diff --git a/waflib/extras/fluid.py b/waflib/extras/fluid.py
deleted file mode 100644
index 4814a35b..00000000
--- a/waflib/extras/fluid.py
+++ /dev/null
@@ -1,30 +0,0 @@
-#!/usr/bin/python
-# encoding: utf-8
-# Grygoriy Fuchedzhy 2009
-
-"""
-Compile fluid files (fltk graphic library). Use the 'fluid' feature in conjunction with the 'cxx' feature.
-"""
-
-from waflib import Task
-from waflib.TaskGen import extension
-
-class fluid(Task.Task):
-	color   = 'BLUE'
-	ext_out = ['.h']
-	run_str = '${FLUID} -c -o ${TGT[0].abspath()} -h ${TGT[1].abspath()} ${SRC}'
-
-@extension('.fl')
-def process_fluid(self, node):
-	"""add the .fl to the source list; the cxx file generated will be compiled when possible"""
-	cpp = node.change_ext('.cpp')
-	hpp = node.change_ext('.hpp')
-	self.create_task('fluid', node, [cpp, hpp])
-
-	if 'cxx' in self.features:
-		self.source.append(cpp)
-
-def configure(conf):
-	conf.find_program('fluid', var='FLUID')
-	conf.check_cfg(path='fltk-config', package='', args='--cxxflags --ldflags', uselib_store='FLTK', mandatory=True)
-
diff --git a/waflib/extras/freeimage.py b/waflib/extras/freeimage.py
deleted file mode 100644
index f27e5258..00000000
--- a/waflib/extras/freeimage.py
+++ /dev/null
@@ -1,74 +0,0 @@
-#!/usr/bin/env python
-# encoding: utf-8
-#
-# written by Sylvain Rouquette, 2011
-
-'''
-To add the freeimage tool to the waf file:
-$ ./waf-light --tools=compat15,freeimage
-	or, if you have waf >= 1.6.2
-$ ./waf update --files=freeimage
-
-The wscript will look like:
-
-def options(opt):
-	opt.load('compiler_cxx freeimage')
-
-def configure(conf):
-	conf.load('compiler_cxx freeimage')
-
-	# you can call check_freeimage with some parameters.
-	# It's optional on Linux, it's 'mandatory' on Windows if
-	# you didn't use --fi-path on the command-line
-
-	# conf.check_freeimage(path='FreeImage/Dist', fip=True)
-
-def build(bld):
-	bld(source='main.cpp', target='app', use='FREEIMAGE')
-'''
-
-from waflib import Utils
-from waflib.Configure import conf
-
-
-def options(opt):
-	opt.add_option('--fi-path', type='string', default='', dest='fi_path',
-				   help='''path to the FreeImage directory \
-						where the files are e.g. /FreeImage/Dist''')
-	opt.add_option('--fip', action='store_true', default=False, dest='fip',
-				   help='link with FreeImagePlus')
-	opt.add_option('--fi-static', action='store_true',
-				   default=False, dest='fi_static',
-				   help="link as shared libraries")
-
-
-@conf
-def check_freeimage(self, path=None, fip=False):
-	self.start_msg('Checking FreeImage')
-	if not self.env['CXX']:
-		self.fatal('you must load compiler_cxx before loading freeimage')
-	prefix = self.options.fi_static and 'ST' or ''
-	platform = Utils.unversioned_sys_platform()
-	if platform == 'win32':
-		if not path:
-			self.fatal('you must specify the path to FreeImage. \
-					   use --fi-path=/FreeImage/Dist')
-		else:
-			self.env['INCLUDES_FREEIMAGE'] = path
-			self.env['%sLIBPATH_FREEIMAGE' % prefix] = path
-	libs = ['FreeImage']
-	if self.options.fip:
-		libs.append('FreeImagePlus')
-	if platform == 'win32':
-		self.env['%sLIB_FREEIMAGE' % prefix] = libs
-	else:
-		self.env['%sLIB_FREEIMAGE' % prefix] = [i.lower() for i in libs]
-	self.end_msg('ok')
-
-
-def configure(conf):
-	platform = Utils.unversioned_sys_platform()
-	if platform == 'win32' and not conf.options.fi_path:
-		return
-	conf.check_freeimage(conf.options.fi_path, conf.options.fip)
-
diff --git a/waflib/extras/fsb.py b/waflib/extras/fsb.py
deleted file mode 100644
index 1b8f398f..00000000
--- a/waflib/extras/fsb.py
+++ /dev/null
@@ -1,31 +0,0 @@
-#! /usr/bin/env python
-# encoding: utf-8
-# Thomas Nagy, 2011 (ita)
-
-"""
-Fully sequential builds
-
-The previous tasks from task generators are re-processed, and this may lead to speed issues
-Yet, if you are using this, speed is probably a minor concern
-"""
-
-from waflib import Build
-
-def options(opt):
-	pass
-
-def configure(conf):
-	pass
-
-class FSBContext(Build.BuildContext):
-	def __call__(self, *k, **kw):
-		ret = Build.BuildContext.__call__(self, *k, **kw)
-
-		# evaluate the results immediately
-		Build.BuildContext.compile(self)
-
-		return ret
-
-	def compile(self):
-		pass
-
diff --git a/waflib/extras/fsc.py b/waflib/extras/fsc.py
deleted file mode 100644
index c67e70be..00000000
--- a/waflib/extras/fsc.py
+++ /dev/null
@@ -1,64 +0,0 @@
-#!/usr/bin/env python
-# encoding: utf-8
-# Thomas Nagy, 2011 (ita)
-
-"""
-Experimental F# stuff
-
-FSC="mono /path/to/fsc.exe" waf configure build
-"""
-
-from waflib import Utils, Task
-from waflib.TaskGen import before_method, after_method, feature
-from waflib.Tools import ccroot, cs
-
-ccroot.USELIB_VARS['fsc'] = set(['CSFLAGS', 'ASSEMBLIES', 'RESOURCES'])
-
-@feature('fs')
-@before_method('process_source')
-def apply_fsc(self):
-	cs_nodes = []
-	no_nodes = []
-	for x in self.to_nodes(self.source):
-		if x.name.endswith('.fs'):
-			cs_nodes.append(x)
-		else:
-			no_nodes.append(x)
-	self.source = no_nodes
-
-	bintype = getattr(self, 'type', self.gen.endswith('.dll') and 'library' or 'exe')
-	self.cs_task = tsk = self.create_task('fsc', cs_nodes, self.path.find_or_declare(self.gen))
-	tsk.env.CSTYPE = '/target:%s' % bintype
-	tsk.env.OUT    = '/out:%s' % tsk.outputs[0].abspath()
-
-	inst_to = getattr(self, 'install_path', bintype=='exe' and '${BINDIR}' or '${LIBDIR}')
-	if inst_to:
-		# note: we are making a copy, so the files added to cs_task.outputs won't be installed automatically
-		mod = getattr(self, 'chmod', bintype=='exe' and Utils.O755 or Utils.O644)
-		self.install_task = self.add_install_files(install_to=inst_to, install_from=self.cs_task.outputs[:], chmod=mod)
-
-feature('fs')(cs.use_cs)
-after_method('apply_fsc')(cs.use_cs)
-
-feature('fs')(cs.debug_cs)
-after_method('apply_fsc', 'use_cs')(cs.debug_cs)
-
-class fsc(Task.Task):
-	"""
-	Compile F# files
-	"""
-	color   = 'YELLOW'
-	run_str = '${FSC} ${CSTYPE} ${CSFLAGS} ${ASS_ST:ASSEMBLIES} ${RES_ST:RESOURCES} ${OUT} ${SRC}'
-
-def configure(conf):
-	"""
-	Find a F# compiler, set the variable FSC for the compiler and FS_NAME (mono or fsc)
-	"""
-	conf.find_program(['fsc.exe', 'fsharpc'], var='FSC')
-	conf.env.ASS_ST = '/r:%s'
-	conf.env.RES_ST = '/resource:%s'
-
-	conf.env.FS_NAME = 'fsc'
-	if str(conf.env.FSC).lower().find('fsharpc') > -1:
-		conf.env.FS_NAME = 'mono'
-
diff --git a/waflib/extras/gccdeps.py b/waflib/extras/gccdeps.py
deleted file mode 100644
index bfabe72e..00000000
--- a/waflib/extras/gccdeps.py
+++ /dev/null
@@ -1,214 +0,0 @@
-#!/usr/bin/env python
-# encoding: utf-8
-# Thomas Nagy, 2008-2010 (ita)
-
-"""
-Execute the tasks with gcc -MD, read the dependencies from the .d file
-and prepare the dependency calculation for the next run.
-This affects the cxx class, so make sure to load Qt5 after this tool.
-
-Usage::
-
-	def options(opt):
-		opt.load('compiler_cxx')
-	def configure(conf):
-		conf.load('compiler_cxx gccdeps')
-"""
-
-import os, re, threading
-from waflib import Task, Logs, Utils, Errors
-from waflib.Tools import c_preproc
-from waflib.TaskGen import before_method, feature
-
-lock = threading.Lock()
-
-gccdeps_flags = ['-MD']
-if not c_preproc.go_absolute:
-	gccdeps_flags = ['-MMD']
-
-# Third-party tools are allowed to add extra names in here with append()
-supported_compilers = ['gcc', 'icc', 'clang']
-
-def scan(self):
-	if not self.__class__.__name__ in self.env.ENABLE_GCCDEPS:
-		return super(self.derived_gccdeps, self).scan()
-	nodes = self.generator.bld.node_deps.get(self.uid(), [])
-	names = []
-	return (nodes, names)
-
-re_o = re.compile(r"\.o$")
-re_splitter = re.compile(r'(?<!\\)\s+') # split by space, except when spaces are escaped
-
-def remove_makefile_rule_lhs(line):
-	# Splitting on a plain colon would accidentally match inside a
-	# Windows absolute-path filename, so we must search for a colon
-	# followed by whitespace to find the divider between LHS and RHS
-	# of the Makefile rule.
-	rulesep = ': '
-
-	sep_idx = line.find(rulesep)
-	if sep_idx >= 0:
-		return line[sep_idx + 2:]
-	else:
-		return line
-
-def path_to_node(base_node, path, cached_nodes):
-	# Take the base node and the path and return a node
-	# Results are cached because searching the node tree is expensive
-	# The following code is executed by threads, it is not safe, so a lock is needed...
-	if getattr(path, '__hash__'):
-		node_lookup_key = (base_node, path)
-	else:
-		# Not hashable, assume it is a list and join into a string
-		node_lookup_key = (base_node, os.path.sep.join(path))
-	try:
-		lock.acquire()
-		node = cached_nodes[node_lookup_key]
-	except KeyError:
-		node = base_node.find_resource(path)
-		cached_nodes[node_lookup_key] = node
-	finally:
-		lock.release()
-	return node
-
-def post_run(self):
-	if not self.__class__.__name__ in self.env.ENABLE_GCCDEPS:
-		return super(self.derived_gccdeps, self).post_run()
-
-	name = self.outputs[0].abspath()
-	name = re_o.sub('.d', name)
-	try:
-		txt = Utils.readf(name)
-	except EnvironmentError:
-		Logs.error('Could not find a .d dependency file, are cflags/cxxflags overwritten?')
-		raise
-	#os.remove(name)
-
-	# Compilers have the choice to either output the file's dependencies
-	# as one large Makefile rule:
-	#
-	#   /path/to/file.o: /path/to/dep1.h \
-	#                    /path/to/dep2.h \
-	#                    /path/to/dep3.h \
-	#                    ...
-	#
-	# or as many individual rules:
-	#
-	#   /path/to/file.o: /path/to/dep1.h
-	#   /path/to/file.o: /path/to/dep2.h
-	#   /path/to/file.o: /path/to/dep3.h
-	#   ...
-	#
-	# So the first step is to sanitize the input by stripping out the left-
-	# hand side of all these lines. After that, whatever remains are the
-	# implicit dependencies of task.outputs[0]
-	txt = '\n'.join([remove_makefile_rule_lhs(line) for line in txt.splitlines()])
-
-	# Now join all the lines together
-	txt = txt.replace('\\\n', '')
-
-	val = txt.strip()
-	val = [x.replace('\\ ', ' ') for x in re_splitter.split(val) if x]
-
-	nodes = []
-	bld = self.generator.bld
-
-	# Dynamically bind to the cache
-	try:
-		cached_nodes = bld.cached_nodes
-	except AttributeError:
-		cached_nodes = bld.cached_nodes = {}
-
-	for x in val:
-
-		node = None
-		if os.path.isabs(x):
-			node = path_to_node(bld.root, x, cached_nodes)
-		else:
-			# TODO waf 1.9 - single cwd value
-			path = getattr(bld, 'cwdx', bld.bldnode)
-			# when calling find_resource, make sure the path does not contain '..'
-			x = [k for k in Utils.split_path(x) if k and k != '.']
-			while '..' in x:
-				idx = x.index('..')
-				if idx == 0:
-					x = x[1:]
-					path = path.parent
-				else:
-					del x[idx]
-					del x[idx-1]
-
-			node = path_to_node(path, x, cached_nodes)
-
-		if not node:
-			raise ValueError('could not find %r for %r' % (x, self))
-		if id(node) == id(self.inputs[0]):
-			# ignore the source file, it is already in the dependencies
-			# this way, successful config tests may be retrieved from the cache
-			continue
-		nodes.append(node)
-
-	Logs.debug('deps: gccdeps for %s returned %s', self, nodes)
-
-	bld.node_deps[self.uid()] = nodes
-	bld.raw_deps[self.uid()] = []
-
-	try:
-		del self.cache_sig
-	except AttributeError:
-		pass
-
-	Task.Task.post_run(self)
-
-def sig_implicit_deps(self):
-	if not self.__class__.__name__ in self.env.ENABLE_GCCDEPS:
-		return super(self.derived_gccdeps, self).sig_implicit_deps()
-	try:
-		return Task.Task.sig_implicit_deps(self)
-	except Errors.WafError:
-		return Utils.SIG_NIL
-
-def wrap_compiled_task(classname):
-	derived_class = type(classname, (Task.classes[classname],), {})
-	derived_class.derived_gccdeps = derived_class
-	derived_class.post_run = post_run
-	derived_class.scan = scan
-	derived_class.sig_implicit_deps = sig_implicit_deps
-
-for k in ('c', 'cxx'):
-	if k in Task.classes:
-		wrap_compiled_task(k)
-
-@before_method('process_source')
-@feature('force_gccdeps')
-def force_gccdeps(self):
-	self.env.ENABLE_GCCDEPS = ['c', 'cxx']
-
-def configure(conf):
-	# in case someone provides a --enable-gccdeps command-line option
-	if not getattr(conf.options, 'enable_gccdeps', True):
-		return
-
-	global gccdeps_flags
-	flags = conf.env.GCCDEPS_FLAGS or gccdeps_flags
-	if conf.env.CC_NAME in supported_compilers:
-		try:
-			conf.check(fragment='int main() { return 0; }', features='c force_gccdeps', cflags=flags, msg='Checking for c flags %r' % ''.join(flags))
-		except Errors.ConfigurationError:
-			pass
-		else:
-			conf.env.append_value('CFLAGS', flags)
-			conf.env.append_unique('ENABLE_GCCDEPS', 'c')
-
-	if conf.env.CXX_NAME in supported_compilers:
-		try:
-			conf.check(fragment='int main() { return 0; }', features='cxx force_gccdeps', cxxflags=flags, msg='Checking for cxx flags %r' % ''.join(flags))
-		except Errors.ConfigurationError:
-			pass
-		else:
-			conf.env.append_value('CXXFLAGS', flags)
-			conf.env.append_unique('ENABLE_GCCDEPS', 'cxx')
-
-def options(opt):
-	raise ValueError('Do not load gccdeps options')
-
diff --git a/waflib/extras/gdbus.py b/waflib/extras/gdbus.py
deleted file mode 100644
index 0e0476e3..00000000
--- a/waflib/extras/gdbus.py
+++ /dev/null
@@ -1,87 +0,0 @@
-#!/usr/bin/env python
-# encoding: utf-8
-# Copyright Garmin International or its subsidiaries, 2018
-#
-# Heavily based on dbus.py
-
-"""
-Compiles dbus files with **gdbus-codegen**
-Typical usage::
-	def options(opt):
-		opt.load('compiler_c gdbus')
-	def configure(conf):
-		conf.load('compiler_c gdbus')
-	def build(bld):
-		tg = bld.program(
-			includes = '.',
-			source = bld.path.ant_glob('*.c'),
-			target = 'gnome-hello')
-		tg.add_gdbus_file('test.xml', 'com.example.example.', 'Example')
-"""
-
-from waflib import Task, Errors, Utils
-from waflib.TaskGen import taskgen_method, before_method
-
-@taskgen_method
-def add_gdbus_file(self, filename, prefix, namespace, export=False):
-	"""
-	Adds a dbus file to the list of dbus files to process. Store them in the attribute *dbus_lst*.
-	:param filename: xml file to compile
-	:type filename: string
-	:param prefix: interface prefix (--interface-prefix=prefix)
-	:type prefix: string
-	:param mode: C namespace (--c-namespace=namespace)
-	:type mode: string
-	:param export: Export Headers?
-	:type export: boolean
-	"""
-	if not hasattr(self, 'gdbus_lst'):
-		self.gdbus_lst = []
-	if not 'process_gdbus' in self.meths:
-		self.meths.append('process_gdbus')
-	self.gdbus_lst.append([filename, prefix, namespace, export])
-
-@before_method('process_source')
-def process_gdbus(self):
-	"""
-	Processes the dbus files stored in the attribute *gdbus_lst* to create :py:class:`gdbus_binding_tool` instances.
-	"""
-	output_node = self.path.get_bld().make_node(['gdbus', self.get_name()])
-	sources = []
-
-	for filename, prefix, namespace, export in getattr(self, 'gdbus_lst', []):
-		node = self.path.find_resource(filename)
-		if not node:
-			raise Errors.WafError('file not found ' + filename)
-		c_file = output_node.find_or_declare(node.change_ext('.c').name)
-		h_file = output_node.find_or_declare(node.change_ext('.h').name)
-		tsk = self.create_task('gdbus_binding_tool', node, [c_file, h_file])
-		tsk.cwd = output_node.abspath()
-
-		tsk.env.GDBUS_CODEGEN_INTERFACE_PREFIX = prefix
-		tsk.env.GDBUS_CODEGEN_NAMESPACE = namespace
-		tsk.env.GDBUS_CODEGEN_OUTPUT = node.change_ext('').name
-		sources.append(c_file)
-
-	if sources:
-		output_node.mkdir()
-		self.source = Utils.to_list(self.source) + sources
-		self.includes = [output_node] + self.to_incnodes(getattr(self, 'includes', []))
-		if export:
-			self.export_includes = [output_node] + self.to_incnodes(getattr(self, 'export_includes', []))
-
-class gdbus_binding_tool(Task.Task):
-	"""
-	Compiles a dbus file
-	"""
-	color   = 'BLUE'
-	ext_out = ['.h', '.c']
-	run_str = '${GDBUS_CODEGEN} --interface-prefix ${GDBUS_CODEGEN_INTERFACE_PREFIX} --generate-c-code ${GDBUS_CODEGEN_OUTPUT} --c-namespace ${GDBUS_CODEGEN_NAMESPACE} --c-generate-object-manager ${SRC[0].abspath()}'
-	shell = True
-
-def configure(conf):
-	"""
-	Detects the program gdbus-codegen and sets ``conf.env.GDBUS_CODEGEN``
-	"""
-	conf.find_program('gdbus-codegen', var='GDBUS_CODEGEN')
-
diff --git a/waflib/extras/gob2.py b/waflib/extras/gob2.py
deleted file mode 100644
index b4fa3b9a..00000000
--- a/waflib/extras/gob2.py
+++ /dev/null
@@ -1,17 +0,0 @@
-#!/usr/bin/env python
-# encoding: utf-8
-# Ali Sabil, 2007
-
-from waflib import TaskGen
-
-TaskGen.declare_chain(
-	name = 'gob2',
-	rule = '${GOB2} -o ${TGT[0].bld_dir()} ${GOB2FLAGS} ${SRC}',
-	ext_in = '.gob',
-	ext_out = '.c'
-)
-
-def configure(conf):
-	conf.find_program('gob2', var='GOB2')
-	conf.env['GOB2FLAGS'] = ''
-
diff --git a/waflib/extras/halide.py b/waflib/extras/halide.py
deleted file mode 100644
index 6078e38b..00000000
--- a/waflib/extras/halide.py
+++ /dev/null
@@ -1,151 +0,0 @@
-#!/usr/bin/python
-# -*- coding: utf-8 -*-
-# Halide code generation tool
-
-__author__ = __maintainer__ = "Jérôme Carretero <cJ-waf@zougloub.eu>"
-__copyright__ = "Jérôme Carretero, 2014"
-
-"""
-
-Tool to run `Halide <http://halide-lang.org>`_ code generators.
-
-Usage::
-
-   bld(
-    name='pipeline',
-     # ^ Reference this in use="..." for things using the generated code
-    #target=['pipeline.o', 'pipeline.h']
-     # ^ by default, name.{o,h} is added, but you can set the outputs here
-    features='halide',
-    halide_env="HL_TRACE=1 HL_TARGET=host-opencl-gpu_debug",
-     # ^ Environment passed to the generator,
-     # can be a dict, k/v list, or string.
-    args=[],
-     # ^ Command-line arguments to the generator (optional),
-     # eg. to give parameters to the scheduling
-    source='pipeline_gen',
-     # ^ Name of the source executable
-   )
-
-
-Known issues:
-
-
-- Currently only supports Linux (no ".exe")
-
-- Doesn't rerun on input modification when input is part of a build
-  chain, and has been modified externally.
-
-"""
-
-import os
-from waflib import Task, Utils, Options, TaskGen, Errors
-
-class run_halide_gen(Task.Task):
-	color = 'CYAN'
-	vars = ['HALIDE_ENV', 'HALIDE_ARGS']
-	run_str = "${SRC[0].abspath()} ${HALIDE_ARGS}"
-	def __str__(self):
-		stuff = "halide"
-		stuff += ("[%s]" % (",".join(
-		 ('%s=%s' % (k,v)) for k, v in sorted(self.env.env.items()))))
-		return Task.Task.__str__(self).replace(self.__class__.__name__,
-		 stuff)
-
-@TaskGen.feature('halide')
-@TaskGen.before_method('process_source')
-def halide(self):
-	Utils.def_attrs(self,
-	 args=[],
-	 halide_env={},
-	)
-
-	bld = self.bld
-
-	env = self.halide_env
-	try:
-		if isinstance(env, str):
-			env = dict(x.split('=') for x in env.split())
-		elif isinstance(env, list):
-			env = dict(x.split('=') for x in env)
-		assert isinstance(env, dict)
-	except Exception as e:
-		if not isinstance(e, ValueError) \
-		 and not isinstance(e, AssertionError):
-			raise
-		raise Errors.WafError(
-		 "halide_env must be under the form" \
-		 " {'HL_x':'a', 'HL_y':'b'}" \
-		 " or ['HL_x=y', 'HL_y=b']" \
-		 " or 'HL_x=y HL_y=b'")
-
-	src = self.to_nodes(self.source)
-	assert len(src) == 1, "Only one source expected"
-	src = src[0]
-
-	args = Utils.to_list(self.args)
-
-	def change_ext(src, ext):
-		# Return a node with a new extension, in an appropriate folder
-		name = src.name
-		xpos = src.name.rfind('.')
-		if xpos == -1:
-			xpos = len(src.name)
-		newname = name[:xpos] + ext
-		if src.is_child_of(bld.bldnode):
-			node = src.get_src().parent.find_or_declare(newname)
-		else:
-			node = bld.bldnode.find_or_declare(newname)
-		return node
-
-	def to_nodes(self, lst, path=None):
-		tmp = []
-		path = path or self.path
-		find = path.find_or_declare
-
-		if isinstance(lst, self.path.__class__):
-			lst = [lst]
-
-		for x in Utils.to_list(lst):
-			if isinstance(x, str):
-				node = find(x)
-			else:
-				node = x
-			tmp.append(node)
-		return tmp
-
-	tgt = to_nodes(self, self.target)
-	if not tgt:
-		tgt = [change_ext(src, '.o'), change_ext(src, '.h')]
-	cwd = tgt[0].parent.abspath()
-	task = self.create_task('run_halide_gen', src, tgt, cwd=cwd)
-	task.env.append_unique('HALIDE_ARGS', args)
-	if task.env.env == []:
-		task.env.env = {}
-	task.env.env.update(env)
-	task.env.HALIDE_ENV = " ".join(("%s=%s" % (k,v)) for (k,v) in sorted(env.items()))
-	task.env.HALIDE_ARGS = args
-
-	try:
-		self.compiled_tasks.append(task)
-	except AttributeError:
-		self.compiled_tasks = [task]
-	self.source = []
-
-def configure(conf):
-	if Options.options.halide_root is None:
-		conf.check_cfg(package='Halide', args='--cflags --libs')
-	else:
-		halide_root = Options.options.halide_root
-		conf.env.INCLUDES_HALIDE = [ os.path.join(halide_root, "include") ]
-		conf.env.LIBPATH_HALIDE = [ os.path.join(halide_root, "lib") ]
-		conf.env.LIB_HALIDE = ["Halide"]
-
-		# You might want to add this, while upstream doesn't fix it
-		#conf.env.LIB_HALIDE += ['ncurses', 'dl', 'pthread']
-
-def options(opt):
-	opt.add_option('--halide-root',
-	 help="path to Halide include and lib files",
-	)
-
diff --git a/waflib/extras/javatest.py b/waflib/extras/javatest.py
deleted file mode 100755
index 979b8d82..00000000
--- a/waflib/extras/javatest.py
+++ /dev/null
@@ -1,118 +0,0 @@
-#! /usr/bin/env python
-# encoding: utf-8
-# Federico Pellegrin, 2017 (fedepell)
-
-"""
-Provides Java Unit test support using :py:class:`waflib.Tools.waf_unit_test.utest`
-task via the **javatest** feature.
-
-This gives the possibility to run unit test and have them integrated into the
-standard waf unit test environment. It has been tested with TestNG and JUnit
-but should be easily expandable to other frameworks given the flexibility of
-ut_str provided by the standard waf unit test environment.
-
-Example usage:
-
-def options(opt):
-	opt.load('java waf_unit_test javatest')
-
-def configure(conf):
-	conf.load('java javatest')
-
-def build(bld):
-	
-	[ ... mainprog is built here ... ]
-
-	bld(features = 'javac javatest',
-		srcdir     = 'test/', 
-		outdir     = 'test', 
-		sourcepath = ['test'],
-		classpath  = [ 'src' ], 
-		basedir    = 'test', 
-		use = ['JAVATEST', 'mainprog'], # mainprog is the program being tested in src/
-		ut_str = 'java -cp ${CLASSPATH} ${JTRUNNER} ${SRC}',
-		jtest_source = bld.path.ant_glob('test/*.xml'),
-	)
-
-
-At command line the CLASSPATH where to find the testing environment and the
-test runner (default TestNG) that will then be seen in the environment as
-CLASSPATH_JAVATEST (then used for use) and JTRUNNER and can be used for
-dependencies and ut_str generation.
-
-Example configure for TestNG:
-	waf configure --jtpath=/tmp/testng-6.12.jar:/tmp/jcommander-1.71.jar --jtrunner=org.testng.TestNG
-		 or as default runner is TestNG:
-	waf configure --jtpath=/tmp/testng-6.12.jar:/tmp/jcommander-1.71.jar
-
-Example configure for JUnit:
-	waf configure --jtpath=/tmp/junit.jar --jtrunner=org.junit.runner.JUnitCore
-
-The runner class presence on the system is checked for at configuration stage.
-
-"""
-
-import os
-from waflib import Task, TaskGen, Options
-
-@TaskGen.feature('javatest')
-@TaskGen.after_method('apply_java', 'use_javac_files', 'set_classpath')
-def make_javatest(self):
-	"""
-	Creates a ``utest`` task with a populated environment for Java Unit test execution
-
-	"""
-	tsk = self.create_task('utest')
-	tsk.set_run_after(self.javac_task)
-
-	# Put test input files as waf_unit_test relies on that for some prints and log generation
-	# If jtest_source is there, this is specially useful for passing XML for TestNG
-	# that contain test specification, use that as inputs, otherwise test sources
-	if getattr(self, 'jtest_source', None):
-		tsk.inputs = self.to_nodes(self.jtest_source)
-	else:
-		if self.javac_task.srcdir[0].exists():
-			tsk.inputs = self.javac_task.srcdir[0].ant_glob('**/*.java', remove=False)
-
-	if getattr(self, 'ut_str', None):
-		self.ut_run, lst = Task.compile_fun(self.ut_str, shell=getattr(self, 'ut_shell', False))
-		tsk.vars = lst + tsk.vars
-
-	if getattr(self, 'ut_cwd', None):
-		if isinstance(self.ut_cwd, str):
-			# we want a Node instance
-			if os.path.isabs(self.ut_cwd):
-				self.ut_cwd = self.bld.root.make_node(self.ut_cwd)
-			else:
-				self.ut_cwd = self.path.make_node(self.ut_cwd)
-	else:
-		self.ut_cwd = self.bld.bldnode
-
-	# Get parent CLASSPATH and add output dir of test, we run from wscript dir
-	# We have to change it from list to the standard java -cp format (: separated)
-	tsk.env.CLASSPATH = ':'.join(self.env.CLASSPATH) + ':' + self.outdir.abspath()
-
-	if not self.ut_cwd.exists():
-		self.ut_cwd.mkdir()
-
-	if not hasattr(self, 'ut_env'):
-		self.ut_env = dict(os.environ)
-
-def configure(ctx):
-	cp = ctx.env.CLASSPATH or '.'
-	if getattr(Options.options, 'jtpath', None):
-		ctx.env.CLASSPATH_JAVATEST = getattr(Options.options, 'jtpath').split(':')
-		cp += ':' + getattr(Options.options, 'jtpath')
-
-	if getattr(Options.options, 'jtrunner', None):
-		ctx.env.JTRUNNER = getattr(Options.options, 'jtrunner')
-
-	if ctx.check_java_class(ctx.env.JTRUNNER, with_classpath=cp):
-		ctx.fatal('Could not run test class %r' % ctx.env.JTRUNNER)
-
-def options(opt):
-	opt.add_option('--jtpath', action='store', default='', dest='jtpath',
-		help='Path to jar(s) needed for javatest execution, colon separated, if not in the system CLASSPATH')
-	opt.add_option('--jtrunner', action='store', default='org.testng.TestNG', dest='jtrunner',
-		help='Class to run javatest test [default: org.testng.TestNG]')
-
diff --git a/waflib/extras/kde4.py b/waflib/extras/kde4.py
deleted file mode 100644
index aed9bfb5..00000000
--- a/waflib/extras/kde4.py
+++ /dev/null
@@ -1,93 +0,0 @@
-#!/usr/bin/env python
-# encoding: utf-8
-# Thomas Nagy, 2006-2010 (ita)
-
-"""
-Support for the KDE4 libraries and msgfmt
-"""
-
-import os, re
-from waflib import Task, Utils
-from waflib.TaskGen import feature
-
-@feature('msgfmt')
-def apply_msgfmt(self):
-	"""
-	Process all languages to create .mo files and to install them::
-
-		def build(bld):
-			bld(features='msgfmt', langs='es de fr', appname='myapp', install_path='${KDE4_LOCALE_INSTALL_DIR}')
-	"""
-	for lang in self.to_list(self.langs):
-		node = self.path.find_resource(lang+'.po')
-		task = self.create_task('msgfmt', node, node.change_ext('.mo'))
-
-		langname = lang.split('/')
-		langname = langname[-1]
-
-		inst = getattr(self, 'install_path', '${KDE4_LOCALE_INSTALL_DIR}')
-
-		self.add_install_as(
-			inst_to = inst + os.sep + langname + os.sep + 'LC_MESSAGES' + os.sep + getattr(self, 'appname', 'set_your_appname') + '.mo',
-			inst_from = task.outputs[0],
-			chmod = getattr(self, 'chmod', Utils.O644))
-
-class msgfmt(Task.Task):
-	"""
-	Transform .po files into .mo files
-	"""
-	color   = 'BLUE'
-	run_str = '${MSGFMT} ${SRC} -o ${TGT}'
-
-def configure(self):
-	"""
-	Detect kde4-config and set various variables for the *use* system::
-
-		def options(opt):
-			opt.load('compiler_cxx kde4')
-		def configure(conf):
-			conf.load('compiler_cxx kde4')
-		def build(bld):
-			bld.program(source='main.c', target='app', use='KDECORE KIO KHTML')
-	"""
-	kdeconfig = self.find_program('kde4-config')
-	prefix = self.cmd_and_log(kdeconfig + ['--prefix']).strip()
-	fname = '%s/share/apps/cmake/modules/KDELibsDependencies.cmake' % prefix
-	try:
-		os.stat(fname)
-	except OSError:
-		fname = '%s/share/kde4/apps/cmake/modules/KDELibsDependencies.cmake' % prefix
-		try:
-			os.stat(fname)
-		except OSError:
-			self.fatal('could not open %s' % fname)
-
-	try:
-		txt = Utils.readf(fname)
-	except EnvironmentError:
-		self.fatal('could not read %s' % fname)
-
-	txt = txt.replace('\\\n', '\n')
-	fu = re.compile('#(.*)\n')
-	txt = fu.sub('', txt)
-
-	setregexp = re.compile(r'([sS][eE][tT]\s*\()\s*([^\s]+)\s+\"([^"]+)\"\)')
-	found = setregexp.findall(txt)
-
-	for (_, key, val) in found:
-		#print key, val
-		self.env[key] = val
-
-	# well well, i could just write an interpreter for cmake files
-	self.env['LIB_KDECORE']= ['kdecore']
-	self.env['LIB_KDEUI']  = ['kdeui']
-	self.env['LIB_KIO']    = ['kio']
-	self.env['LIB_KHTML']  = ['khtml']
-	self.env['LIB_KPARTS'] = ['kparts']
-
-	self.env['LIBPATH_KDECORE']  = [os.path.join(self.env.KDE4_LIB_INSTALL_DIR, 'kde4', 'devel'), self.env.KDE4_LIB_INSTALL_DIR]
-	self.env['INCLUDES_KDECORE'] = [self.env['KDE4_INCLUDE_INSTALL_DIR']]
-	self.env.append_value('INCLUDES_KDECORE', [self.env['KDE4_INCLUDE_INSTALL_DIR']+ os.sep + 'KDE'])
-
-	self.find_program('msgfmt', var='MSGFMT')
-
diff --git a/waflib/extras/local_rpath.py b/waflib/extras/local_rpath.py
deleted file mode 100644
index b2507e17..00000000
--- a/waflib/extras/local_rpath.py
+++ /dev/null
@@ -1,19 +0,0 @@
-#! /usr/bin/env python
-# encoding: utf-8
-# Thomas Nagy, 2011 (ita)
-
-from waflib.TaskGen import after_method, feature
-
-@after_method('propagate_uselib_vars')
-@feature('cprogram', 'cshlib', 'cxxprogram', 'cxxshlib', 'fcprogram', 'fcshlib')
-def add_rpath_stuff(self):
-	all = self.to_list(getattr(self, 'use', []))
-	while all:
-		name = all.pop()
-		try:
-			tg = self.bld.get_tgen_by_name(name)
-		except:
-			continue
-		self.env.append_value('RPATH', tg.link_task.outputs[0].parent.abspath())
-		all.extend(self.to_list(getattr(tg, 'use', [])))
-
diff --git a/waflib/extras/lv2.py b/waflib/extras/lv2.py
deleted file mode 100644
index ffcb2e77..00000000
--- a/waflib/extras/lv2.py
+++ /dev/null
@@ -1,75 +0,0 @@
-import os
-import sys
-
-from waflib import Logs
-from waflib import Options
-
-def options(opt):
-    conf_opts = opt.get_option_group('Configuration options')
-    conf_opts.add_option('--lv2-user', action='store_true', default=False, dest='lv2_user',
-                         help='install LV2 bundles to user location')
-    conf_opts.add_option('--lv2dir', type='string',
-                         help='LV2 bundles [Default: LIBDIR/lv2]')
-
-def register_lv2_path(conf, path):
-    """Return the default LV2_PATH to use for this system"""
-    if 'LV2_PATH' not in conf.run_env and 'LV2_PATH' not in os.environ:
-        conf.run_env['LV2_PATH'] = [conf.env['LV2DIR']]
-
-    conf.run_env.append_unique('LV2_PATH', path)
-
-def default_lv2_path(conf):
-    """Return the default LV2_PATH for the build target as a list"""
-    if conf.env.DEST_OS == 'darwin':
-        return ['~/Library/Audio/Plug-Ins/LV2',
-                '~/.lv2',
-                '/usr/local/lib/lv2',
-                '/usr/lib/lv2',
-                '/Library/Audio/Plug-Ins/LV2']
-    elif conf.env.DEST_OS == 'haiku':
-        return ['~/.lv2',
-                '/boot/common/add-ons/lv2']
-    elif conf.env.DEST_OS == 'win32':
-        return ['%APPDATA%\\\\LV2',
-                '%COMMONPROGRAMFILES%\\\\LV2']
-    else:
-        libdirname = os.path.basename(conf.env.LIBDIR)
-        return ['~/.lv2',
-                '/usr/%s/lv2' % libdirname,
-                '/usr/local/%s/lv2' % libdirname]
-    
-def configure(conf):
-    def env_path(parent_dir_var, name):
-        parent = os.getenv(parent_dir_var)
-        if parent:
-            return os.path.join(parent, name)
-        else:
-            Logs.warn('Environment variable %s unset, using LIBDIR\n' % parent_dir_var)
-            return os.path.join(conf.env['LIBDIR'], name)
-
-    def normpath(path):
-        if sys.platform == 'win32':
-            return os.path.normpath(path).replace('\\', '/')
-        else:
-            return os.path.normpath(path)
-
-    if Options.options.lv2dir:
-        conf.env['LV2DIR'] = Options.options.lv2dir
-    elif Options.options.lv2_user:
-        if conf.env.DEST_OS == 'darwin':
-            conf.env['LV2DIR'] = env_path('HOME', 'Library/Audio/Plug-Ins/LV2')
-        elif conf.env.DEST_OS == 'win32':
-            conf.env['LV2DIR'] = env_path('APPDATA', 'LV2')
-        else:
-            conf.env['LV2DIR'] = env_path('HOME', '.lv2')
-    else:
-        if conf.env.DEST_OS == 'darwin':
-            conf.env['LV2DIR'] = '/Library/Audio/Plug-Ins/LV2'
-        elif conf.env.DEST_OS == 'win32':
-            conf.env['LV2DIR'] = env_path('COMMONPROGRAMFILES', 'LV2')
-        else:
-            conf.env['LV2DIR'] = os.path.join(conf.env['LIBDIR'], 'lv2')
-
-    # Add default LV2_PATH to runtime environment for tests that use plugins
-    if 'LV2_PATH' not in os.environ:
-        conf.run_env['LV2_PATH'] = default_lv2_path(conf)
diff --git a/waflib/extras/make.py b/waflib/extras/make.py
deleted file mode 100644
index 933d9cac..00000000
--- a/waflib/extras/make.py
+++ /dev/null
@@ -1,142 +0,0 @@
-#!/usr/bin/env python
-# encoding: utf-8
-# Thomas Nagy, 2011 (ita)
-
-"""
-A make-like way of executing the build, following the relationships between inputs/outputs
-
-This algorithm will lead to slower builds, will not be as flexible as "waf build", but
-it might be useful for building data files (?)
-
-It is likely to break in the following cases:
-- files are created dynamically (no inputs or outputs)
-- headers
-- building two files from different groups
-"""
-
-import re
-from waflib import Options, Task
-from waflib.Build import BuildContext
-
-class MakeContext(BuildContext):
-	'''executes tasks in a step-by-step manner, following dependencies between inputs/outputs'''
-	cmd = 'make'
-	fun = 'build'
-
-	def __init__(self, **kw):
-		super(MakeContext, self).__init__(**kw)
-		self.files = Options.options.files
-
-	def get_build_iterator(self):
-		if not self.files:
-			while 1:
-				yield super(MakeContext, self).get_build_iterator()
-
-		for g in self.groups:
-			for tg in g:
-				try:
-					f = tg.post
-				except AttributeError:
-					pass
-				else:
-					f()
-
-			provides = {}
-			uses = {}
-			all_tasks = []
-			tasks = []
-			for pat in self.files.split(','):
-				matcher = self.get_matcher(pat)
-				for tg in g:
-					if isinstance(tg, Task.Task):
-						lst = [tg]
-					else:
-						lst = tg.tasks
-					for tsk in lst:
-						all_tasks.append(tsk)
-
-						do_exec = False
-						for node in tsk.inputs:
-							try:
-								uses[node].append(tsk)
-							except:
-								uses[node] = [tsk]
-
-							if matcher(node, output=False):
-								do_exec = True
-								break
-
-						for node in tsk.outputs:
-							try:
-								provides[node].append(tsk)
-							except:
-								provides[node] = [tsk]
-
-							if matcher(node, output=True):
-								do_exec = True
-								break
-						if do_exec:
-							tasks.append(tsk)
-
-			# so we have the tasks that we need to process, the list of all tasks,
-			# the map of the tasks providing nodes, and the map of tasks using nodes
-
-			if not tasks:
-				# if there are no tasks matching, return everything in the current group
-				result = all_tasks
-			else:
-				# this is like a big filter...
-				result = set()
-				seen = set()
-				cur = set(tasks)
-				while cur:
-					result |= cur
-					tosee = set()
-					for tsk in cur:
-						for node in tsk.inputs:
-							if node in seen:
-								continue
-							seen.add(node)
-							tosee |= set(provides.get(node, []))
-					cur = tosee
-				result = list(result)
-
-			Task.set_file_constraints(result)
-			Task.set_precedence_constraints(result)
-			yield result
-
-		while 1:
-			yield []
-
-	def get_matcher(self, pat):
-		# this returns a function
-		inn = True
-		out = True
-		if pat.startswith('in:'):
-			out = False
-			pat = pat.replace('in:', '')
-		elif pat.startswith('out:'):
-			inn = False
-			pat = pat.replace('out:', '')
-
-		anode = self.root.find_node(pat)
-		pattern = None
-		if not anode:
-			if not pat.startswith('^'):
-				pat = '^.+?%s' % pat
-			if not pat.endswith('$'):
-				pat = '%s$' % pat
-			pattern = re.compile(pat)
-
-		def match(node, output):
-			if output and not out:
-				return False
-			if not output and not inn:
-				return False
-
-			if anode:
-				return anode == node
-			else:
-				return pattern.match(node.abspath())
-		return match
-
diff --git a/waflib/extras/midl.py b/waflib/extras/midl.py
deleted file mode 100644
index 43e6cf91..00000000
--- a/waflib/extras/midl.py
+++ /dev/null
@@ -1,69 +0,0 @@
-#!/usr/bin/env python
-# Issue 1185 ultrix gmail com
-
-"""
-Microsoft Interface Definition Language support.  Given ComObject.idl, this tool
-will generate ComObject.tlb ComObject_i.h ComObject_i.c ComObject_p.c and dlldata.c
-
-To declare targets using midl::
-
-	def configure(conf):
-		conf.load('msvc')
-		conf.load('midl')
-
-	def build(bld):
-		bld(
-			features='c cshlib',
-			# Note: ComObject_i.c is generated from ComObject.idl
-			source = 'main.c ComObject.idl ComObject_i.c',
-			target = 'ComObject.dll')
-"""
-
-from waflib import Task, Utils
-from waflib.TaskGen import feature, before_method
-import os
-
-def configure(conf):
-	conf.find_program(['midl'], var='MIDL')
-
-	conf.env.MIDLFLAGS = [
-		'/nologo',
-		'/D',
-		'_DEBUG',
-		'/W1',
-		'/char',
-		'signed',
-		'/Oicf',
-	]
-
-@feature('c', 'cxx')
-@before_method('process_source')
-def idl_file(self):
-	# Do this before process_source so that the generated header can be resolved
-	# when scanning source dependencies.
-	idl_nodes = []
-	src_nodes = []
-	for node in Utils.to_list(self.source):
-		if str(node).endswith('.idl'):
-			idl_nodes.append(node)
-		else:
-			src_nodes.append(node)
-
-	for node in self.to_nodes(idl_nodes):
-		t = node.change_ext('.tlb')
-		h = node.change_ext('_i.h')
-		c = node.change_ext('_i.c')
-		p = node.change_ext('_p.c')
-		d = node.parent.find_or_declare('dlldata.c')
-		self.create_task('midl', node, [t, h, c, p, d])
-
-	self.source = src_nodes
-
-class midl(Task.Task):
-	"""
-	Compile idl files
-	"""
-	color   = 'YELLOW'
-	run_str = '${MIDL} ${MIDLFLAGS} ${CPPPATH_ST:INCLUDES} /tlb ${TGT[0].bldpath()} /header ${TGT[1].bldpath()} /iid ${TGT[2].bldpath()} /proxy ${TGT[3].bldpath()} /dlldata ${TGT[4].bldpath()} ${SRC}'
-	before  = ['winrc']
-
diff --git a/waflib/extras/msvcdeps.py b/waflib/extras/msvcdeps.py
deleted file mode 100644
index fc1ecd4d..00000000
--- a/waflib/extras/msvcdeps.py
+++ /dev/null
@@ -1,256 +0,0 @@
-#!/usr/bin/env python
-# encoding: utf-8
-# Copyright Garmin International or its subsidiaries, 2012-2013
-
-'''
-Off-load dependency scanning from Python code to MSVC compiler
-
-This tool is safe to load in any environment; it will only activate the
-MSVC exploits when it finds that a particular taskgen uses MSVC to
-compile.
-
-Empirical testing shows about a 10% execution time savings from using
-this tool as compared to c_preproc.
-
-The technique of gutting scan() and pushing the dependency calculation
-down to post_run() is cribbed from gccdeps.py.
-
-This affects the cxx class, so make sure to load Qt5 after this tool.
-
-Usage::
-
-	def options(opt):
-		opt.load('compiler_cxx')
-	def configure(conf):
-		conf.load('compiler_cxx msvcdeps')
-'''
-
-import os, sys, tempfile, threading
-
-from waflib import Context, Errors, Logs, Task, Utils
-from waflib.Tools import c_preproc, c, cxx, msvc
-from waflib.TaskGen import feature, before_method
-
-lock = threading.Lock()
-nodes = {} # Cache the path -> Node lookup
-
-PREPROCESSOR_FLAG = '/showIncludes'
-INCLUDE_PATTERN = 'Note: including file:'
-
-# Extensible by outside tools
-supported_compilers = ['msvc']
-
-@feature('c', 'cxx')
-@before_method('process_source')
-def apply_msvcdeps_flags(taskgen):
-	if taskgen.env.CC_NAME not in supported_compilers:
-		return
-
-	for flag in ('CFLAGS', 'CXXFLAGS'):
-		if taskgen.env.get_flat(flag).find(PREPROCESSOR_FLAG) < 0:
-			taskgen.env.append_value(flag, PREPROCESSOR_FLAG)
-
-	# Figure out what casing conventions the user's shell used when
-	# launching Waf
-	(drive, _) = os.path.splitdrive(taskgen.bld.srcnode.abspath())
-	taskgen.msvcdeps_drive_lowercase = drive == drive.lower()
-
-def path_to_node(base_node, path, cached_nodes):
-	# Take the base node and the path and return a node
-	# Results are cached because searching the node tree is expensive
-	# The following code is executed by threads, it is not safe, so a lock is needed...
-	if getattr(path, '__hash__'):
-		node_lookup_key = (base_node, path)
-	else:
-		# Not hashable, assume it is a list and join into a string
-		node_lookup_key = (base_node, os.path.sep.join(path))
-	try:
-		lock.acquire()
-		node = cached_nodes[node_lookup_key]
-	except KeyError:
-		node = base_node.find_resource(path)
-		cached_nodes[node_lookup_key] = node
-	finally:
-		lock.release()
-	return node
-
-def post_run(self):
-	if self.env.CC_NAME not in supported_compilers:
-		return super(self.derived_msvcdeps, self).post_run()
-
-	# TODO this is unlikely to work with netcache
-	if getattr(self, 'cached', None):
-		return Task.Task.post_run(self)
-
-	bld = self.generator.bld
-	unresolved_names = []
-	resolved_nodes = []
-
-	lowercase = self.generator.msvcdeps_drive_lowercase
-	correct_case_path = bld.path.abspath()
-	correct_case_path_len = len(correct_case_path)
-	correct_case_path_norm = os.path.normcase(correct_case_path)
-
-	# Dynamically bind to the cache
-	try:
-		cached_nodes = bld.cached_nodes
-	except AttributeError:
-		cached_nodes = bld.cached_nodes = {}
-
-	for path in self.msvcdeps_paths:
-		node = None
-		if os.path.isabs(path):
-			# Force drive letter to match conventions of main source tree
-			drive, tail = os.path.splitdrive(path)
-
-			if os.path.normcase(path[:correct_case_path_len]) == correct_case_path_norm:
-				# Path is in the sandbox, force it to be correct.  MSVC sometimes returns a lowercase path.
-				path = correct_case_path + path[correct_case_path_len:]
-			else:
-				# Check the drive letter
-				if lowercase and (drive != drive.lower()):
-					path = drive.lower() + tail
-				elif (not lowercase) and (drive != drive.upper()):
-					path = drive.upper() + tail
-			node = path_to_node(bld.root, path, cached_nodes)
-		else:
-			base_node = bld.bldnode
-			# when calling find_resource, make sure the path does not begin by '..'
-			path = [k for k in Utils.split_path(path) if k and k != '.']
-			while path[0] == '..':
-				path = path[1:]
-				base_node = base_node.parent
-
-			node = path_to_node(base_node, path, cached_nodes)
-
-		if not node:
-			raise ValueError('could not find %r for %r' % (path, self))
-		else:
-			if not c_preproc.go_absolute:
-				if not (node.is_child_of(bld.srcnode) or node.is_child_of(bld.bldnode)):
-					# System library
-					Logs.debug('msvcdeps: Ignoring system include %r', node)
-					continue
-
-			if id(node) == id(self.inputs[0]):
-				# Self-dependency
-				continue
-
-			resolved_nodes.append(node)
-
-	bld.node_deps[self.uid()] = resolved_nodes
-	bld.raw_deps[self.uid()] = unresolved_names
-
-	try:
-		del self.cache_sig
-	except AttributeError:
-		pass
-
-	Task.Task.post_run(self)
-
-def scan(self):
-	if self.env.CC_NAME not in supported_compilers:
-		return super(self.derived_msvcdeps, self).scan()
-
-	resolved_nodes = self.generator.bld.node_deps.get(self.uid(), [])
-	unresolved_names = []
-	return (resolved_nodes, unresolved_names)
-
-def sig_implicit_deps(self):
-	if self.env.CC_NAME not in supported_compilers:
-		return super(self.derived_msvcdeps, self).sig_implicit_deps()
-
-	try:
-		return Task.Task.sig_implicit_deps(self)
-	except Errors.WafError:
-		return Utils.SIG_NIL
-
-def exec_command(self, cmd, **kw):
-	if self.env.CC_NAME not in supported_compilers:
-		return super(self.derived_msvcdeps, self).exec_command(cmd, **kw)
-
-	if not 'cwd' in kw:
-		kw['cwd'] = self.get_cwd()
-
-	if self.env.PATH:
-		env = kw['env'] = dict(kw.get('env') or self.env.env or os.environ)
-		env['PATH'] = self.env.PATH if isinstance(self.env.PATH, str) else os.pathsep.join(self.env.PATH)
-
-	# The Visual Studio IDE adds an environment variable that causes
-	# the MS compiler to send its textual output directly to the
-	# debugging window rather than normal stdout/stderr.
-	#
-	# This is unrecoverably bad for this tool because it will cause
-	# all the dependency scanning to see an empty stdout stream and
-	# assume that the file being compiled uses no headers.
-	#
-	# See http://blogs.msdn.com/b/freik/archive/2006/04/05/569025.aspx
-	#
-	# Attempting to repair the situation by deleting the offending
-	# envvar at this point in tool execution will not be good enough--
-	# its presence poisons the 'waf configure' step earlier. We just
-	# want to put a sanity check here in order to help developers
-	# quickly diagnose the issue if an otherwise-good Waf tree
-	# is then executed inside the MSVS IDE.
-	assert 'VS_UNICODE_OUTPUT' not in kw['env']
-
-	cmd, args = self.split_argfile(cmd)
-	try:
-		(fd, tmp) = tempfile.mkstemp()
-		os.write(fd, '\r\n'.join(args).encode())
-		os.close(fd)
-
-		self.msvcdeps_paths = []
-		kw['env'] = kw.get('env', os.environ.copy())
-		kw['cwd'] = kw.get('cwd', os.getcwd())
-		kw['quiet'] = Context.STDOUT
-		kw['output'] = Context.STDOUT
-
-		out = []
-		if Logs.verbose:
-			Logs.debug('argfile: @%r -> %r', tmp, args)
-		try:
-			raw_out = self.generator.bld.cmd_and_log(cmd + ['@' + tmp], **kw)
-			ret = 0
-		except Errors.WafError as e:
-			raw_out = e.stdout
-			ret = e.returncode
-
-		for line in raw_out.splitlines():
-			if line.startswith(INCLUDE_PATTERN):
-				inc_path = line[len(INCLUDE_PATTERN):].strip()
-				Logs.debug('msvcdeps: Regex matched %s', inc_path)
-				self.msvcdeps_paths.append(inc_path)
-			else:
-				out.append(line)
-
-		# Pipe through the remaining stdout content (not related to /showIncludes)
-		if self.generator.bld.logger:
-			self.generator.bld.logger.debug('out: %s' % os.linesep.join(out))
-		else:
-			sys.stdout.write(os.linesep.join(out) + os.linesep)
-
-		return ret
-	finally:
-		try:
-			os.remove(tmp)
-		except OSError:
-			# anti-virus and indexers can keep files open -_-
-			pass
-
-
-def wrap_compiled_task(classname):
-	derived_class = type(classname, (Task.classes[classname],), {})
-	derived_class.derived_msvcdeps = derived_class
-	derived_class.post_run = post_run
-	derived_class.scan = scan
-	derived_class.sig_implicit_deps = sig_implicit_deps
-	derived_class.exec_command = exec_command
-
-for k in ('c', 'cxx'):
-	if k in Task.classes:
-		wrap_compiled_task(k)
-
-def options(opt):
-	raise ValueError('Do not load msvcdeps options')
-
diff --git a/waflib/extras/msvs.py b/waflib/extras/msvs.py
deleted file mode 100644
index 8aa2db0b..00000000
--- a/waflib/extras/msvs.py
+++ /dev/null
@@ -1,1048 +0,0 @@
-#! /usr/bin/env python
-# encoding: utf-8
-# Avalanche Studios 2009-2011
-# Thomas Nagy 2011
-
-"""
-Redistribution and use in source and binary forms, with or without
-modification, are permitted provided that the following conditions
-are met:
-
-1. Redistributions of source code must retain the above copyright
-   notice, this list of conditions and the following disclaimer.
-
-2. Redistributions in binary form must reproduce the above copyright
-   notice, this list of conditions and the following disclaimer in the
-   documentation and/or other materials provided with the distribution.
-
-3. The name of the author may not be used to endorse or promote products
-   derived from this software without specific prior written permission.
-
-THIS SOFTWARE IS PROVIDED BY THE AUTHOR "AS IS" AND ANY EXPRESS OR
-IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
-WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
-DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT,
-INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
-(INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
-SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
-HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
-STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
-IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
-POSSIBILITY OF SUCH DAMAGE.
-"""
-
-"""
-To add this tool to your project:
-def options(conf):
-	opt.load('msvs')
-
-It can be a good idea to add the sync_exec tool too.
-
-To generate solution files:
-$ waf configure msvs
-
-To customize the outputs, provide subclasses in your wscript files::
-
-	from waflib.extras import msvs
-	class vsnode_target(msvs.vsnode_target):
-		def get_build_command(self, props):
-			# likely to be required
-			return "waf.bat build"
-		def collect_source(self):
-			# likely to be required
-			...
-	class msvs_bar(msvs.msvs_generator):
-		def init(self):
-			msvs.msvs_generator.init(self)
-			self.vsnode_target = vsnode_target
-
-The msvs class re-uses the same build() function for reading the targets (task generators),
-you may therefore specify msvs settings on the context object::
-
-	def build(bld):
-		bld.solution_name = 'foo.sln'
-		bld.waf_command = 'waf.bat'
-		bld.projects_dir = bld.srcnode.make_node('.depproj')
-		bld.projects_dir.mkdir()
-
-For visual studio 2008, the command is called 'msvs2008', and the classes
-such as vsnode_target are wrapped by a decorator class 'wrap_2008' to
-provide special functionality.
-
-To customize platform toolsets, pass additional parameters, for example::
-
-	class msvs_2013(msvs.msvs_generator):
-		cmd = 'msvs2013'
-		numver = '13.00'
-		vsver = '2013'
-		platform_toolset_ver = 'v120'
-
-ASSUMPTIONS:
-* a project can be either a directory or a target, vcxproj files are written only for targets that have source files
-* each project is a vcxproj file, therefore the project uuid needs only to be a hash of the absolute path
-"""
-
-import os, re, sys
-import uuid # requires python 2.5
-from waflib.Build import BuildContext
-from waflib import Utils, TaskGen, Logs, Task, Context, Node, Options
-
-HEADERS_GLOB = '**/(*.h|*.hpp|*.H|*.inl)'
-
-PROJECT_TEMPLATE = r'''<?xml version="1.0" encoding="UTF-8"?>
-<Project DefaultTargets="Build" ToolsVersion="4.0"
-	xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
-
-	<ItemGroup Label="ProjectConfigurations">
-		${for b in project.build_properties}
-		<ProjectConfiguration Include="${b.configuration}|${b.platform}">
-			<Configuration>${b.configuration}</Configuration>
-			<Platform>${b.platform}</Platform>
-		</ProjectConfiguration>
-		${endfor}
-	</ItemGroup>
-
-	<PropertyGroup Label="Globals">
-		<ProjectGuid>{${project.uuid}}</ProjectGuid>
-		<Keyword>MakeFileProj</Keyword>
-		<ProjectName>${project.name}</ProjectName>
-	</PropertyGroup>
-	<Import Project="$(VCTargetsPath)\Microsoft.Cpp.Default.props" />
-
-	${for b in project.build_properties}
-	<PropertyGroup Condition="'$(Configuration)|$(Platform)'=='${b.configuration}|${b.platform}'" Label="Configuration">
-		<ConfigurationType>Makefile</ConfigurationType>
-		<OutDir>${b.outdir}</OutDir>
-		<PlatformToolset>${project.platform_toolset_ver}</PlatformToolset>
-	</PropertyGroup>
-	${endfor}
-
-	<Import Project="$(VCTargetsPath)\Microsoft.Cpp.props" />
-	<ImportGroup Label="ExtensionSettings">
-	</ImportGroup>
-
-	${for b in project.build_properties}
-	<ImportGroup Label="PropertySheets" Condition="'$(Configuration)|$(Platform)'=='${b.configuration}|${b.platform}'">
-		<Import Project="$(UserRootDir)\Microsoft.Cpp.$(Platform).user.props" Condition="exists('$(UserRootDir)\Microsoft.Cpp.$(Platform).user.props')" Label="LocalAppDataPlatform" />
-	</ImportGroup>
-	${endfor}
-
-	${for b in project.build_properties}
-	<PropertyGroup Condition="'$(Configuration)|$(Platform)'=='${b.configuration}|${b.platform}'">
-		<NMakeBuildCommandLine>${xml:project.get_build_command(b)}</NMakeBuildCommandLine>
-		<NMakeReBuildCommandLine>${xml:project.get_rebuild_command(b)}</NMakeReBuildCommandLine>
-		<NMakeCleanCommandLine>${xml:project.get_clean_command(b)}</NMakeCleanCommandLine>
-		<NMakeIncludeSearchPath>${xml:b.includes_search_path}</NMakeIncludeSearchPath>
-		<NMakePreprocessorDefinitions>${xml:b.preprocessor_definitions};$(NMakePreprocessorDefinitions)</NMakePreprocessorDefinitions>
-		<IncludePath>${xml:b.includes_search_path}</IncludePath>
-		<ExecutablePath>$(ExecutablePath)</ExecutablePath>
-
-		${if getattr(b, 'output_file', None)}
-		<NMakeOutput>${xml:b.output_file}</NMakeOutput>
-		${endif}
-		${if getattr(b, 'deploy_dir', None)}
-		<RemoteRoot>${xml:b.deploy_dir}</RemoteRoot>
-		${endif}
-	</PropertyGroup>
-	${endfor}
-
-	${for b in project.build_properties}
-		${if getattr(b, 'deploy_dir', None)}
-	<ItemDefinitionGroup Condition="'$(Configuration)|$(Platform)'=='${b.configuration}|${b.platform}'">
-		<Deploy>
-			<DeploymentType>CopyToHardDrive</DeploymentType>
-		</Deploy>
-	</ItemDefinitionGroup>
-		${endif}
-	${endfor}
-
-	<ItemGroup>
-		${for x in project.source}
-		<${project.get_key(x)} Include='${x.win32path()}' />
-		${endfor}
-	</ItemGroup>
-	<Import Project="$(VCTargetsPath)\Microsoft.Cpp.targets" />
-	<ImportGroup Label="ExtensionTargets">
-	</ImportGroup>
-</Project>
-'''
-
-FILTER_TEMPLATE = '''<?xml version="1.0" encoding="UTF-8"?>
-<Project ToolsVersion="4.0" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
-	<ItemGroup>
-		${for x in project.source}
-			<${project.get_key(x)} Include="${x.win32path()}">
-				<Filter>${project.get_filter_name(x.parent)}</Filter>
-			</${project.get_key(x)}>
-		${endfor}
-	</ItemGroup>
-	<ItemGroup>
-		${for x in project.dirs()}
-			<Filter Include="${project.get_filter_name(x)}">
-				<UniqueIdentifier>{${project.make_uuid(x.win32path())}}</UniqueIdentifier>
-			</Filter>
-		${endfor}
-	</ItemGroup>
-</Project>
-'''
-
-PROJECT_2008_TEMPLATE = r'''<?xml version="1.0" encoding="UTF-8"?>
-<VisualStudioProject ProjectType="Visual C++" Version="9,00"
-	Name="${xml: project.name}" ProjectGUID="{${project.uuid}}"
-	Keyword="MakeFileProj"
-	TargetFrameworkVersion="196613">
-	<Platforms>
-		${if project.build_properties}
-		${for b in project.build_properties}
-		   <Platform Name="${xml: b.platform}" />
-		${endfor}
-		${else}
-		   <Platform Name="Win32" />
-		${endif}
-	</Platforms>
-	<ToolFiles>
-	</ToolFiles>
-	<Configurations>
-		${if project.build_properties}
-		${for b in project.build_properties}
-		<Configuration
-			Name="${xml: b.configuration}|${xml: b.platform}"
-			IntermediateDirectory="$ConfigurationName"
-			OutputDirectory="${xml: b.outdir}"
-			ConfigurationType="0">
-			<Tool
-				Name="VCNMakeTool"
-				BuildCommandLine="${xml: project.get_build_command(b)}"
-				ReBuildCommandLine="${xml: project.get_rebuild_command(b)}"
-				CleanCommandLine="${xml: project.get_clean_command(b)}"
-				${if getattr(b, 'output_file', None)}
-				Output="${xml: b.output_file}"
-				${endif}
-				PreprocessorDefinitions="${xml: b.preprocessor_definitions}"
-				IncludeSearchPath="${xml: b.includes_search_path}"
-				ForcedIncludes=""
-				ForcedUsingAssemblies=""
-				AssemblySearchPath=""
-				CompileAsManaged=""
-			/>
-		</Configuration>
-		${endfor}
-		${else}
-			<Configuration Name="Release|Win32" >
-		</Configuration>
-		${endif}
-	</Configurations>
-	<References>
-	</References>
-	<Files>
-${project.display_filter()}
-	</Files>
-</VisualStudioProject>
-'''
-
-SOLUTION_TEMPLATE = '''Microsoft Visual Studio Solution File, Format Version ${project.numver}
-# Visual Studio ${project.vsver}
-${for p in project.all_projects}
-Project("{${p.ptype()}}") = "${p.name}", "${p.title}", "{${p.uuid}}"
-EndProject${endfor}
-Global
-	GlobalSection(SolutionConfigurationPlatforms) = preSolution
-		${if project.all_projects}
-		${for (configuration, platform) in project.all_projects[0].ctx.project_configurations()}
-		${configuration}|${platform} = ${configuration}|${platform}
-		${endfor}
-		${endif}
-	EndGlobalSection
-	GlobalSection(ProjectConfigurationPlatforms) = postSolution
-		${for p in project.all_projects}
-			${if hasattr(p, 'source')}
-			${for b in p.build_properties}
-		{${p.uuid}}.${b.configuration}|${b.platform}.ActiveCfg = ${b.configuration}|${b.platform}
-			${if getattr(p, 'is_active', None)}
-		{${p.uuid}}.${b.configuration}|${b.platform}.Build.0 = ${b.configuration}|${b.platform}
-			${endif}
-			${if getattr(p, 'is_deploy', None)}
-		{${p.uuid}}.${b.configuration}|${b.platform}.Deploy.0 = ${b.configuration}|${b.platform}
-			${endif}
-			${endfor}
-			${endif}
-		${endfor}
-	EndGlobalSection
-	GlobalSection(SolutionProperties) = preSolution
-		HideSolutionNode = FALSE
-	EndGlobalSection
-	GlobalSection(NestedProjects) = preSolution
-	${for p in project.all_projects}
-		${if p.parent}
-		{${p.uuid}} = {${p.parent.uuid}}
-		${endif}
-	${endfor}
-	EndGlobalSection
-EndGlobal
-'''
-
-COMPILE_TEMPLATE = '''def f(project):
-	lst = []
-	def xml_escape(value):
-		return value.replace("&", "&amp;").replace('"', "&quot;").replace("'", "&apos;").replace("<", "&lt;").replace(">", "&gt;")
-
-	%s
-
-	#f = open('cmd.txt', 'w')
-	#f.write(str(lst))
-	#f.close()
-	return ''.join(lst)
-'''
-reg_act = re.compile(r"(?P<backslash>\\)|(?P<dollar>\$\$)|(?P<subst>\$\{(?P<code>[^}]*?)\})", re.M)
-def compile_template(line):
-	"""
-	Compile a template expression into a python function (like jsps, but way shorter)
-	"""
-	extr = []
-	def repl(match):
-		g = match.group
-		if g('dollar'):
-			return "$"
-		elif g('backslash'):
-			return "\\"
-		elif g('subst'):
-			extr.append(g('code'))
-			return "<<|@|>>"
-		return None
-
-	line2 = reg_act.sub(repl, line)
-	params = line2.split('<<|@|>>')
-	assert(extr)
-
-
-	indent = 0
-	buf = []
-	app = buf.append
-
-	def app(txt):
-		buf.append(indent * '\t' + txt)
-
-	for x in range(len(extr)):
-		if params[x]:
-			app("lst.append(%r)" % params[x])
-
-		f = extr[x]
-		if f.startswith(('if', 'for')):
-			app(f + ':')
-			indent += 1
-		elif f.startswith('py:'):
-			app(f[3:])
-		elif f.startswith(('endif', 'endfor')):
-			indent -= 1
-		elif f.startswith(('else', 'elif')):
-			indent -= 1
-			app(f + ':')
-			indent += 1
-		elif f.startswith('xml:'):
-			app('lst.append(xml_escape(%s))' % f[4:])
-		else:
-			#app('lst.append((%s) or "cannot find %s")' % (f, f))
-			app('lst.append(%s)' % f)
-
-	if extr:
-		if params[-1]:
-			app("lst.append(%r)" % params[-1])
-
-	fun = COMPILE_TEMPLATE % "\n\t".join(buf)
-	#print(fun)
-	return Task.funex(fun)
-
-
-re_blank = re.compile('(\n|\r|\\s)*\n', re.M)
-def rm_blank_lines(txt):
-	txt = re_blank.sub('\r\n', txt)
-	return txt
-
-BOM = '\xef\xbb\xbf'
-try:
-	BOM = bytes(BOM, 'latin-1') # python 3
-except TypeError:
-	pass
-
-def stealth_write(self, data, flags='wb'):
-	try:
-		unicode
-	except NameError:
-		data = data.encode('utf-8') # python 3
-	else:
-		data = data.decode(sys.getfilesystemencoding(), 'replace')
-		data = data.encode('utf-8')
-
-	if self.name.endswith(('.vcproj', '.vcxproj')):
-		data = BOM + data
-
-	try:
-		txt = self.read(flags='rb')
-		if txt != data:
-			raise ValueError('must write')
-	except (IOError, ValueError):
-		self.write(data, flags=flags)
-	else:
-		Logs.debug('msvs: skipping %s', self.win32path())
-Node.Node.stealth_write = stealth_write
-
-re_win32 = re.compile(r'^([/\\]cygdrive)?[/\\]([a-z])([^a-z0-9_-].*)', re.I)
-def win32path(self):
-	p = self.abspath()
-	m = re_win32.match(p)
-	if m:
-		return "%s:%s" % (m.group(2).upper(), m.group(3))
-	return p
-Node.Node.win32path = win32path
-
-re_quote = re.compile("[^a-zA-Z0-9-]")
-def quote(s):
-	return re_quote.sub("_", s)
-
-def xml_escape(value):
-	return value.replace("&", "&amp;").replace('"', "&quot;").replace("'", "&apos;").replace("<", "&lt;").replace(">", "&gt;")
-
-def make_uuid(v, prefix = None):
-	"""
-	simple utility function
-	"""
-	if isinstance(v, dict):
-		keys = list(v.keys())
-		keys.sort()
-		tmp = str([(k, v[k]) for k in keys])
-	else:
-		tmp = str(v)
-	d = Utils.md5(tmp.encode()).hexdigest().upper()
-	if prefix:
-		d = '%s%s' % (prefix, d[8:])
-	gid = uuid.UUID(d, version = 4)
-	return str(gid).upper()
-
-def diff(node, fromnode):
-	# difference between two nodes, but with "(..)" instead of ".."
-	c1 = node
-	c2 = fromnode
-
-	c1h = c1.height()
-	c2h = c2.height()
-
-	lst = []
-	up = 0
-
-	while c1h > c2h:
-		lst.append(c1.name)
-		c1 = c1.parent
-		c1h -= 1
-
-	while c2h > c1h:
-		up += 1
-		c2 = c2.parent
-		c2h -= 1
-
-	while id(c1) != id(c2):
-		lst.append(c1.name)
-		up += 1
-
-		c1 = c1.parent
-		c2 = c2.parent
-
-	for i in range(up):
-		lst.append('(..)')
-	lst.reverse()
-	return tuple(lst)
-
-class build_property(object):
-	pass
-
-class vsnode(object):
-	"""
-	Abstract class representing visual studio elements
-	We assume that all visual studio nodes have a uuid and a parent
-	"""
-	def __init__(self, ctx):
-		self.ctx = ctx # msvs context
-		self.name = '' # string, mandatory
-		self.vspath = '' # path in visual studio (name for dirs, absolute path for projects)
-		self.uuid = '' # string, mandatory
-		self.parent = None # parent node for visual studio nesting
-
-	def get_waf(self):
-		"""
-		Override in subclasses...
-		"""
-		return 'cd /d "%s" & %s' % (self.ctx.srcnode.win32path(), getattr(self.ctx, 'waf_command', 'waf.bat'))
-
-	def ptype(self):
-		"""
-		Return a special uuid for projects written in the solution file
-		"""
-		pass
-
-	def write(self):
-		"""
-		Write the project file, by default, do nothing
-		"""
-		pass
-
-	def make_uuid(self, val):
-		"""
-		Alias for creating uuid values easily (the templates cannot access global variables)
-		"""
-		return make_uuid(val)
-
-class vsnode_vsdir(vsnode):
-	"""
-	Nodes representing visual studio folders (which do not match the filesystem tree!)
-	"""
-	VS_GUID_SOLUTIONFOLDER = "2150E333-8FDC-42A3-9474-1A3956D46DE8"
-	def __init__(self, ctx, uuid, name, vspath=''):
-		vsnode.__init__(self, ctx)
-		self.title = self.name = name
-		self.uuid = uuid
-		self.vspath = vspath or name
-
-	def ptype(self):
-		return self.VS_GUID_SOLUTIONFOLDER
-
-class vsnode_project(vsnode):
-	"""
-	Abstract class representing visual studio project elements
-	A project is assumed to be writable, and has a node representing the file to write to
-	"""
-	VS_GUID_VCPROJ = "8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942"
-	def ptype(self):
-		return self.VS_GUID_VCPROJ
-
-	def __init__(self, ctx, node):
-		vsnode.__init__(self, ctx)
-		self.path = node
-		self.uuid = make_uuid(node.win32path())
-		self.name = node.name
-		self.platform_toolset_ver = getattr(ctx, 'platform_toolset_ver', None)
-		self.title = self.path.win32path()
-		self.source = [] # list of node objects
-		self.build_properties = [] # list of properties (nmake commands, output dir, etc)
-
-	def dirs(self):
-		"""
-		Get the list of parent folders of the source files (header files included)
-		for writing the filters
-		"""
-		lst = []
-		def add(x):
-			if x.height() > self.tg.path.height() and x not in lst:
-				lst.append(x)
-				add(x.parent)
-		for x in self.source:
-			add(x.parent)
-		return lst
-
-	def write(self):
-		Logs.debug('msvs: creating %r', self.path)
-
-		# first write the project file
-		template1 = compile_template(PROJECT_TEMPLATE)
-		proj_str = template1(self)
-		proj_str = rm_blank_lines(proj_str)
-		self.path.stealth_write(proj_str)
-
-		# then write the filter
-		template2 = compile_template(FILTER_TEMPLATE)
-		filter_str = template2(self)
-		filter_str = rm_blank_lines(filter_str)
-		tmp = self.path.parent.make_node(self.path.name + '.filters')
-		tmp.stealth_write(filter_str)
-
-	def get_key(self, node):
-		"""
-		required for writing the source files
-		"""
-		name = node.name
-		if name.endswith(('.cpp', '.c')):
-			return 'ClCompile'
-		return 'ClInclude'
-
-	def collect_properties(self):
-		"""
-		Returns a list of triplet (configuration, platform, output_directory)
-		"""
-		ret = []
-		for c in self.ctx.configurations:
-			for p in self.ctx.platforms:
-				x = build_property()
-				x.outdir = ''
-
-				x.configuration = c
-				x.platform = p
-
-				x.preprocessor_definitions = ''
-				x.includes_search_path = ''
-
-				# can specify "deploy_dir" too
-				ret.append(x)
-		self.build_properties = ret
-
-	def get_build_params(self, props):
-		opt = '--execsolution=%s' % self.ctx.get_solution_node().win32path()
-		return (self.get_waf(), opt)
-
-	def get_build_command(self, props):
-		return "%s build %s" % self.get_build_params(props)
-
-	def get_clean_command(self, props):
-		return "%s clean %s" % self.get_build_params(props)
-
-	def get_rebuild_command(self, props):
-		return "%s clean build %s" % self.get_build_params(props)
-
-	def get_filter_name(self, node):
-		lst = diff(node, self.tg.path)
-		return '\\'.join(lst) or '.'
-
-class vsnode_alias(vsnode_project):
-	def __init__(self, ctx, node, name):
-		vsnode_project.__init__(self, ctx, node)
-		self.name = name
-		self.output_file = ''
-
-class vsnode_build_all(vsnode_alias):
-	"""
-	Fake target used to emulate the behaviour of "make all" (starting one process by target is slow)
-	This is the only alias enabled by default
-	"""
-	def __init__(self, ctx, node, name='build_all_projects'):
-		vsnode_alias.__init__(self, ctx, node, name)
-		self.is_active = True
-
-class vsnode_install_all(vsnode_alias):
-	"""
-	Fake target used to emulate the behaviour of "make install"
-	"""
-	def __init__(self, ctx, node, name='install_all_projects'):
-		vsnode_alias.__init__(self, ctx, node, name)
-
-	def get_build_command(self, props):
-		return "%s build install %s" % self.get_build_params(props)
-
-	def get_clean_command(self, props):
-		return "%s clean %s" % self.get_build_params(props)
-
-	def get_rebuild_command(self, props):
-		return "%s clean build install %s" % self.get_build_params(props)
-
-class vsnode_project_view(vsnode_alias):
-	"""
-	Fake target used to emulate a file system view
-	"""
-	def __init__(self, ctx, node, name='project_view'):
-		vsnode_alias.__init__(self, ctx, node, name)
-		self.tg = self.ctx() # fake one, cannot remove
-		self.exclude_files = Node.exclude_regs + '''
-waf-2*
-waf3-2*/**
-.waf-2*
-.waf3-2*/**
-**/*.sdf
-**/*.suo
-**/*.ncb
-**/%s
-		''' % Options.lockfile
-
-	def collect_source(self):
-		# this is likely to be slow
-		self.source = self.ctx.srcnode.ant_glob('**', excl=self.exclude_files)
-
-	def get_build_command(self, props):
-		params = self.get_build_params(props) + (self.ctx.cmd,)
-		return "%s %s %s" % params
-
-	def get_clean_command(self, props):
-		return ""
-
-	def get_rebuild_command(self, props):
-		return self.get_build_command(props)
-
-class vsnode_target(vsnode_project):
-	"""
-	Visual studio project representing a targets (programs, libraries, etc) and bound
-	to a task generator
-	"""
-	def __init__(self, ctx, tg):
-		"""
-		A project is more or less equivalent to a file/folder
-		"""
-		base = getattr(ctx, 'projects_dir', None) or tg.path
-		node = base.make_node(quote(tg.name) + ctx.project_extension) # the project file as a Node
-		vsnode_project.__init__(self, ctx, node)
-		self.name = quote(tg.name)
-		self.tg     = tg  # task generator
-
-	def get_build_params(self, props):
-		"""
-		Override the default to add the target name
-		"""
-		opt = '--execsolution=%s' % self.ctx.get_solution_node().win32path()
-		if getattr(self, 'tg', None):
-			opt += " --targets=%s" % self.tg.name
-		return (self.get_waf(), opt)
-
-	def collect_source(self):
-		tg = self.tg
-		source_files = tg.to_nodes(getattr(tg, 'source', []))
-		include_dirs = Utils.to_list(getattr(tg, 'msvs_includes', []))
-		include_files = []
-		for x in include_dirs:
-			if isinstance(x, str):
-				x = tg.path.find_node(x)
-			if x:
-				lst = [y for y in x.ant_glob(HEADERS_GLOB, flat=False)]
-				include_files.extend(lst)
-
-		# remove duplicates
-		self.source.extend(list(set(source_files + include_files)))
-		self.source.sort(key=lambda x: x.win32path())
-
-	def collect_properties(self):
-		"""
-		Visual studio projects are associated with platforms and configurations (for building especially)
-		"""
-		super(vsnode_target, self).collect_properties()
-		for x in self.build_properties:
-			x.outdir = self.path.parent.win32path()
-			x.preprocessor_definitions = ''
-			x.includes_search_path = ''
-
-			try:
-				tsk = self.tg.link_task
-			except AttributeError:
-				pass
-			else:
-				x.output_file = tsk.outputs[0].win32path()
-				x.preprocessor_definitions = ';'.join(tsk.env.DEFINES)
-				x.includes_search_path = ';'.join(self.tg.env.INCPATHS)
-
-class msvs_generator(BuildContext):
-	'''generates a visual studio 2010 solution'''
-	cmd = 'msvs'
-	fun = 'build'
-	numver = '11.00' # Visual Studio Version Number
-	vsver  = '2010'  # Visual Studio Version Year
-	platform_toolset_ver = 'v110' # Platform Toolset Version Number
-
-	def init(self):
-		"""
-		Some data that needs to be present
-		"""
-		if not getattr(self, 'configurations', None):
-			self.configurations = ['Release'] # LocalRelease, RemoteDebug, etc
-		if not getattr(self, 'platforms', None):
-			self.platforms = ['Win32']
-		if not getattr(self, 'all_projects', None):
-			self.all_projects = []
-		if not getattr(self, 'project_extension', None):
-			self.project_extension = '.vcxproj'
-		if not getattr(self, 'projects_dir', None):
-			self.projects_dir = self.srcnode.make_node('.depproj')
-			self.projects_dir.mkdir()
-
-		# bind the classes to the object, so that subclass can provide custom generators
-		if not getattr(self, 'vsnode_vsdir', None):
-			self.vsnode_vsdir = vsnode_vsdir
-		if not getattr(self, 'vsnode_target', None):
-			self.vsnode_target = vsnode_target
-		if not getattr(self, 'vsnode_build_all', None):
-			self.vsnode_build_all = vsnode_build_all
-		if not getattr(self, 'vsnode_install_all', None):
-			self.vsnode_install_all = vsnode_install_all
-		if not getattr(self, 'vsnode_project_view', None):
-			self.vsnode_project_view = vsnode_project_view
-
-		self.numver = self.__class__.numver
-		self.vsver  = self.__class__.vsver
-		self.platform_toolset_ver = self.__class__.platform_toolset_ver
-
-	def execute(self):
-		"""
-		Entry point
-		"""
-		self.restore()
-		if not self.all_envs:
-			self.load_envs()
-		self.recurse([self.run_dir])
-
-		# user initialization
-		self.init()
-
-		# two phases for creating the solution
-		self.collect_projects() # add project objects into "self.all_projects"
-		self.write_files() # write the corresponding project and solution files
-
-	def collect_projects(self):
-		"""
-		Fill the list self.all_projects with project objects
-		Fill the list of build targets
-		"""
-		self.collect_targets()
-		self.add_aliases()
-		self.collect_dirs()
-		default_project = getattr(self, 'default_project', None)
-		def sortfun(x):
-			if x.name == default_project:
-				return ''
-			return getattr(x, 'path', None) and x.path.win32path() or x.name
-		self.all_projects.sort(key=sortfun)
-
-	def write_files(self):
-		"""
-		Write the project and solution files from the data collected
-		so far. It is unlikely that you will want to change this
-		"""
-		for p in self.all_projects:
-			p.write()
-
-		# and finally write the solution file
-		node = self.get_solution_node()
-		node.parent.mkdir()
-		Logs.warn('Creating %r', node)
-		template1 = compile_template(SOLUTION_TEMPLATE)
-		sln_str = template1(self)
-		sln_str = rm_blank_lines(sln_str)
-		node.stealth_write(sln_str)
-
-	def get_solution_node(self):
-		"""
-		The solution filename is required when writing the .vcproj files
-		return self.solution_node and if it does not exist, make one
-		"""
-		try:
-			return self.solution_node
-		except AttributeError:
-			pass
-
-		solution_name = getattr(self, 'solution_name', None)
-		if not solution_name:
-			solution_name = getattr(Context.g_module, Context.APPNAME, 'project') + '.sln'
-		if os.path.isabs(solution_name):
-			self.solution_node = self.root.make_node(solution_name)
-		else:
-			self.solution_node = self.srcnode.make_node(solution_name)
-		return self.solution_node
-
-	def project_configurations(self):
-		"""
-		Helper that returns all the pairs (config,platform)
-		"""
-		ret = []
-		for c in self.configurations:
-			for p in self.platforms:
-				ret.append((c, p))
-		return ret
-
-	def collect_targets(self):
-		"""
-		Process the list of task generators
-		"""
-		for g in self.groups:
-			for tg in g:
-				if not isinstance(tg, TaskGen.task_gen):
-					continue
-
-				if not hasattr(tg, 'msvs_includes'):
-					tg.msvs_includes = tg.to_list(getattr(tg, 'includes', [])) + tg.to_list(getattr(tg, 'export_includes', []))
-				tg.post()
-				if not getattr(tg, 'link_task', None):
-					continue
-
-				p = self.vsnode_target(self, tg)
-				p.collect_source() # delegate this processing
-				p.collect_properties()
-				self.all_projects.append(p)
-
-	def add_aliases(self):
-		"""
-		Add a specific target that emulates the "make all" necessary for Visual studio when pressing F7
-		We also add an alias for "make install" (disabled by default)
-		"""
-		base = getattr(self, 'projects_dir', None) or self.tg.path
-
-		node_project = base.make_node('build_all_projects' + self.project_extension) # Node
-		p_build = self.vsnode_build_all(self, node_project)
-		p_build.collect_properties()
-		self.all_projects.append(p_build)
-
-		node_project = base.make_node('install_all_projects' + self.project_extension) # Node
-		p_install = self.vsnode_install_all(self, node_project)
-		p_install.collect_properties()
-		self.all_projects.append(p_install)
-
-		node_project = base.make_node('project_view' + self.project_extension) # Node
-		p_view = self.vsnode_project_view(self, node_project)
-		p_view.collect_source()
-		p_view.collect_properties()
-		self.all_projects.append(p_view)
-
-		n = self.vsnode_vsdir(self, make_uuid(self.srcnode.win32path() + 'build_aliases'), "build_aliases")
-		p_build.parent = p_install.parent = p_view.parent = n
-		self.all_projects.append(n)
-
-	def collect_dirs(self):
-		"""
-		Create the folder structure in the Visual studio project view
-		"""
-		seen = {}
-		def make_parents(proj):
-			# look at a project, try to make a parent
-			if getattr(proj, 'parent', None):
-				# aliases already have parents
-				return
-			x = proj.iter_path
-			if x in seen:
-				proj.parent = seen[x]
-				return
-
-			# There is not vsnode_vsdir for x.
-			# So create a project representing the folder "x"
-			n = proj.parent = seen[x] = self.vsnode_vsdir(self, make_uuid(x.win32path()), x.name)
-			n.iter_path = x.parent
-			self.all_projects.append(n)
-
-			# recurse up to the project directory
-			if x.height() > self.srcnode.height() + 1:
-				make_parents(n)
-
-		for p in self.all_projects[:]: # iterate over a copy of all projects
-			if not getattr(p, 'tg', None):
-				# but only projects that have a task generator
-				continue
-
-			# make a folder for each task generator
-			p.iter_path = p.tg.path
-			make_parents(p)
-
-def wrap_2008(cls):
-	class dec(cls):
-		def __init__(self, *k, **kw):
-			cls.__init__(self, *k, **kw)
-			self.project_template = PROJECT_2008_TEMPLATE
-
-		def display_filter(self):
-
-			root = build_property()
-			root.subfilters = []
-			root.sourcefiles = []
-			root.source = []
-			root.name = ''
-
-			@Utils.run_once
-			def add_path(lst):
-				if not lst:
-					return root
-				child = build_property()
-				child.subfilters = []
-				child.sourcefiles = []
-				child.source = []
-				child.name = lst[-1]
-
-				par = add_path(lst[:-1])
-				par.subfilters.append(child)
-				return child
-
-			for x in self.source:
-				# this crap is for enabling subclasses to override get_filter_name
-				tmp = self.get_filter_name(x.parent)
-				tmp = tmp != '.' and tuple(tmp.split('\\')) or ()
-				par = add_path(tmp)
-				par.source.append(x)
-
-			def display(n):
-				buf = []
-				for x in n.source:
-					buf.append('<File RelativePath="%s" FileType="%s"/>\n' % (xml_escape(x.win32path()), self.get_key(x)))
-				for x in n.subfilters:
-					buf.append('<Filter Name="%s">' % xml_escape(x.name))
-					buf.append(display(x))
-					buf.append('</Filter>')
-				return '\n'.join(buf)
-
-			return display(root)
-
-		def get_key(self, node):
-			"""
-			If you do not want to let visual studio use the default file extensions,
-			override this method to return a value:
-				0: C/C++ Code, 1: C++ Class, 2: C++ Header File, 3: C++ Form,
-				4: C++ Control, 5: Text File, 6: DEF File, 7: IDL File,
-				8: Makefile, 9: RGS File, 10: RC File, 11: RES File, 12: XSD File,
-				13: XML File, 14: HTML File, 15: CSS File, 16: Bitmap, 17: Icon,
-				18: Resx File, 19: BSC File, 20: XSX File, 21: C++ Web Service,
-				22: ASAX File, 23: Asp Page, 24: Document, 25: Discovery File,
-				26: C# File, 27: eFileTypeClassDiagram, 28: MHTML Document,
-				29: Property Sheet, 30: Cursor, 31: Manifest, 32: eFileTypeRDLC
-			"""
-			return ''
-
-		def write(self):
-			Logs.debug('msvs: creating %r', self.path)
-			template1 = compile_template(self.project_template)
-			proj_str = template1(self)
-			proj_str = rm_blank_lines(proj_str)
-			self.path.stealth_write(proj_str)
-
-	return dec
-
-class msvs_2008_generator(msvs_generator):
-	'''generates a visual studio 2008 solution'''
-	cmd = 'msvs2008'
-	fun = msvs_generator.fun
-	numver = '10.00'
-	vsver = '2008'
-
-	def init(self):
-		if not getattr(self, 'project_extension', None):
-			self.project_extension = '_2008.vcproj'
-		if not getattr(self, 'solution_name', None):
-			self.solution_name = getattr(Context.g_module, Context.APPNAME, 'project') + '_2008.sln'
-
-		if not getattr(self, 'vsnode_target', None):
-			self.vsnode_target = wrap_2008(vsnode_target)
-		if not getattr(self, 'vsnode_build_all', None):
-			self.vsnode_build_all = wrap_2008(vsnode_build_all)
-		if not getattr(self, 'vsnode_install_all', None):
-			self.vsnode_install_all = wrap_2008(vsnode_install_all)
-		if not getattr(self, 'vsnode_project_view', None):
-			self.vsnode_project_view = wrap_2008(vsnode_project_view)
-
-		msvs_generator.init(self)
-
-def options(ctx):
-	"""
-	If the msvs option is used, try to detect if the build is made from visual studio
-	"""
-	ctx.add_option('--execsolution', action='store', help='when building with visual studio, use a build state file')
-
-	old = BuildContext.execute
-	def override_build_state(ctx):
-		def lock(rm, add):
-			uns = ctx.options.execsolution.replace('.sln', rm)
-			uns = ctx.root.make_node(uns)
-			try:
-				uns.delete()
-			except OSError:
-				pass
-
-			uns = ctx.options.execsolution.replace('.sln', add)
-			uns = ctx.root.make_node(uns)
-			try:
-				uns.write('')
-			except EnvironmentError:
-				pass
-
-		if ctx.options.execsolution:
-			ctx.launch_dir = Context.top_dir # force a build for the whole project (invalid cwd when called by visual studio)
-			lock('.lastbuildstate', '.unsuccessfulbuild')
-			old(ctx)
-			lock('.unsuccessfulbuild', '.lastbuildstate')
-		else:
-			old(ctx)
-	BuildContext.execute = override_build_state
-
diff --git a/waflib/extras/netcache_client.py b/waflib/extras/netcache_client.py
deleted file mode 100644
index dc490485..00000000
--- a/waflib/extras/netcache_client.py
+++ /dev/null
@@ -1,390 +0,0 @@
-#! /usr/bin/env python
-# encoding: utf-8
-# Thomas Nagy, 2011-2015 (ita)
-
-"""
-A client for the network cache (playground/netcache/). Launch the server with:
-./netcache_server, then use it for the builds by adding the following:
-
-	def build(bld):
-		bld.load('netcache_client')
-
-The parameters should be present in the environment in the form:
-	NETCACHE=host:port waf configure build
-
-Or in a more detailed way:
-	NETCACHE_PUSH=host:port NETCACHE_PULL=host:port waf configure build
-
-where:
-	host: host where the server resides, by default localhost
-	port: by default push on 11001 and pull on 12001
-
-Use the server provided in playground/netcache/Netcache.java
-"""
-
-import os, socket, time, atexit, sys
-from waflib import Task, Logs, Utils, Build, Runner
-from waflib.Configure import conf
-
-BUF = 8192 * 16
-HEADER_SIZE = 128
-MODES = ['PUSH', 'PULL', 'PUSH_PULL']
-STALE_TIME = 30 # seconds
-
-GET = 'GET'
-PUT = 'PUT'
-LST = 'LST'
-BYE = 'BYE'
-
-all_sigs_in_cache = (0.0, [])
-
-def put_data(conn, data):
-	if sys.hexversion > 0x3000000:
-		data = data.encode('latin-1')
-	cnt = 0
-	while cnt < len(data):
-		sent = conn.send(data[cnt:])
-		if sent == 0:
-			raise RuntimeError('connection ended')
-		cnt += sent
-
-push_connections = Runner.Queue(0)
-pull_connections = Runner.Queue(0)
-def get_connection(push=False):
-	# return a new connection... do not forget to release it!
-	try:
-		if push:
-			ret = push_connections.get(block=False)
-		else:
-			ret = pull_connections.get(block=False)
-	except Exception:
-		ret = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
-		if push:
-			ret.connect(Task.push_addr)
-		else:
-			ret.connect(Task.pull_addr)
-	return ret
-
-def release_connection(conn, msg='', push=False):
-	if conn:
-		if push:
-			push_connections.put(conn)
-		else:
-			pull_connections.put(conn)
-
-def close_connection(conn, msg=''):
-	if conn:
-		data = '%s,%s' % (BYE, msg)
-		try:
-			put_data(conn, data.ljust(HEADER_SIZE))
-		except:
-			pass
-		try:
-			conn.close()
-		except:
-			pass
-
-def close_all():
-	for q in (push_connections, pull_connections):
-		while q.qsize():
-			conn = q.get()
-			try:
-				close_connection(conn)
-			except:
-				# ignore errors when cleaning up
-				pass
-atexit.register(close_all)
-
-def read_header(conn):
-	cnt = 0
-	buf = []
-	while cnt < HEADER_SIZE:
-		data = conn.recv(HEADER_SIZE - cnt)
-		if not data:
-			#import traceback
-			#traceback.print_stack()
-			raise ValueError('connection ended when reading a header %r' % buf)
-		buf.append(data)
-		cnt += len(data)
-	if sys.hexversion > 0x3000000:
-		ret = ''.encode('latin-1').join(buf)
-		ret = ret.decode('latin-1')
-	else:
-		ret = ''.join(buf)
-	return ret
-
-def check_cache(conn, ssig):
-	"""
-	List the files on the server, this is an optimization because it assumes that
-	concurrent builds are rare
-	"""
-	global all_sigs_in_cache
-	if not STALE_TIME:
-		return
-	if time.time() - all_sigs_in_cache[0] > STALE_TIME:
-
-		params = (LST,'')
-		put_data(conn, ','.join(params).ljust(HEADER_SIZE))
-
-		# read what is coming back
-		ret = read_header(conn)
-		size = int(ret.split(',')[0])
-
-		buf = []
-		cnt = 0
-		while cnt < size:
-			data = conn.recv(min(BUF, size-cnt))
-			if not data:
-				raise ValueError('connection ended %r %r' % (cnt, size))
-			buf.append(data)
-			cnt += len(data)
-
-		if sys.hexversion > 0x3000000:
-			ret = ''.encode('latin-1').join(buf)
-			ret = ret.decode('latin-1')
-		else:
-			ret = ''.join(buf)
-
-		all_sigs_in_cache = (time.time(), ret.splitlines())
-		Logs.debug('netcache: server cache has %r entries', len(all_sigs_in_cache[1]))
-
-	if not ssig in all_sigs_in_cache[1]:
-		raise ValueError('no file %s in cache' % ssig)
-
-class MissingFile(Exception):
-	pass
-
-def recv_file(conn, ssig, count, p):
-	check_cache(conn, ssig)
-
-	params = (GET, ssig, str(count))
-	put_data(conn, ','.join(params).ljust(HEADER_SIZE))
-	data = read_header(conn)
-
-	size = int(data.split(',')[0])
-
-	if size == -1:
-		raise MissingFile('no file %s - %s in cache' % (ssig, count))
-
-	# get the file, writing immediately
-	# TODO a tmp file would be better
-	f = open(p, 'wb')
-	cnt = 0
-	while cnt < size:
-		data = conn.recv(min(BUF, size-cnt))
-		if not data:
-			raise ValueError('connection ended %r %r' % (cnt, size))
-		f.write(data)
-		cnt += len(data)
-	f.close()
-
-def sock_send(conn, ssig, cnt, p):
-	#print "pushing %r %r %r" % (ssig, cnt, p)
-	size = os.stat(p).st_size
-	params = (PUT, ssig, str(cnt), str(size))
-	put_data(conn, ','.join(params).ljust(HEADER_SIZE))
-	f = open(p, 'rb')
-	cnt = 0
-	while cnt < size:
-		r = f.read(min(BUF, size-cnt))
-		while r:
-			k = conn.send(r)
-			if not k:
-				raise ValueError('connection ended')
-			cnt += k
-			r = r[k:]
-
-def can_retrieve_cache(self):
-	if not Task.pull_addr:
-		return False
-	if not self.outputs:
-		return False
-	self.cached = False
-
-	cnt = 0
-	sig = self.signature()
-	ssig = Utils.to_hex(self.uid() + sig)
-
-	conn = None
-	err = False
-	try:
-		try:
-			conn = get_connection()
-			for node in self.outputs:
-				p = node.abspath()
-				recv_file(conn, ssig, cnt, p)
-				cnt += 1
-		except MissingFile as e:
-			Logs.debug('netcache: file is not in the cache %r', e)
-			err = True
-		except Exception as e:
-			Logs.debug('netcache: could not get the files %r', self.outputs)
-			if Logs.verbose > 1:
-				Logs.debug('netcache: exception %r', e)
-			err = True
-
-			# broken connection? remove this one
-			close_connection(conn)
-			conn = None
-		else:
-			Logs.debug('netcache: obtained %r from cache', self.outputs)
-
-	finally:
-		release_connection(conn)
-	if err:
-		return False
-
-	self.cached = True
-	return True
-
-@Utils.run_once
-def put_files_cache(self):
-	if not Task.push_addr:
-		return
-	if not self.outputs:
-		return
-	if getattr(self, 'cached', None):
-		return
-
-	#print "called put_files_cache", id(self)
-	bld = self.generator.bld
-	sig = self.signature()
-	ssig = Utils.to_hex(self.uid() + sig)
-
-	conn = None
-	cnt = 0
-	try:
-		for node in self.outputs:
-			# We could re-create the signature of the task with the signature of the outputs
-			# in practice, this means hashing the output files
-			# this is unnecessary
-			try:
-				if not conn:
-					conn = get_connection(push=True)
-				sock_send(conn, ssig, cnt, node.abspath())
-				Logs.debug('netcache: sent %r', node)
-			except Exception as e:
-				Logs.debug('netcache: could not push the files %r', e)
-
-				# broken connection? remove this one
-				close_connection(conn)
-				conn = None
-			cnt += 1
-	finally:
-		release_connection(conn, push=True)
-
-	bld.task_sigs[self.uid()] = self.cache_sig
-
-def hash_env_vars(self, env, vars_lst):
-	# reimplement so that the resulting hash does not depend on local paths
-	if not env.table:
-		env = env.parent
-		if not env:
-			return Utils.SIG_NIL
-
-	idx = str(id(env)) + str(vars_lst)
-	try:
-		cache = self.cache_env
-	except AttributeError:
-		cache = self.cache_env = {}
-	else:
-		try:
-			return self.cache_env[idx]
-		except KeyError:
-			pass
-
-	v = str([env[a] for a in vars_lst])
-	v = v.replace(self.srcnode.abspath().__repr__()[:-1], '')
-	m = Utils.md5()
-	m.update(v.encode())
-	ret = m.digest()
-
-	Logs.debug('envhash: %r %r', ret, v)
-
-	cache[idx] = ret
-
-	return ret
-
-def uid(self):
-	# reimplement so that the signature does not depend on local paths
-	try:
-		return self.uid_
-	except AttributeError:
-		m = Utils.md5()
-		src = self.generator.bld.srcnode
-		up = m.update
-		up(self.__class__.__name__.encode())
-		for x in self.inputs + self.outputs:
-			up(x.path_from(src).encode())
-		self.uid_ = m.digest()
-		return self.uid_
-
-
-def make_cached(cls):
-	if getattr(cls, 'nocache', None):
-		return
-
-	m1 = cls.run
-	def run(self):
-		if getattr(self, 'nocache', False):
-			return m1(self)
-		if self.can_retrieve_cache():
-			return 0
-		return m1(self)
-	cls.run = run
-
-	m2 = cls.post_run
-	def post_run(self):
-		if getattr(self, 'nocache', False):
-			return m2(self)
-		bld = self.generator.bld
-		ret = m2(self)
-		if bld.cache_global:
-			self.put_files_cache()
-		if hasattr(self, 'chmod'):
-			for node in self.outputs:
-				os.chmod(node.abspath(), self.chmod)
-		return ret
-	cls.post_run = post_run
-
-@conf
-def setup_netcache(ctx, push_addr, pull_addr):
-	Task.Task.can_retrieve_cache = can_retrieve_cache
-	Task.Task.put_files_cache = put_files_cache
-	Task.Task.uid = uid
-	Task.push_addr = push_addr
-	Task.pull_addr = pull_addr
-	Build.BuildContext.hash_env_vars = hash_env_vars
-	ctx.cache_global = True
-
-	for x in Task.classes.values():
-		make_cached(x)
-
-def build(bld):
-	if not 'NETCACHE' in os.environ and not 'NETCACHE_PULL' in os.environ and not 'NETCACHE_PUSH' in os.environ:
-		Logs.warn('Setting  NETCACHE_PULL=127.0.0.1:11001 and NETCACHE_PUSH=127.0.0.1:12001')
-		os.environ['NETCACHE_PULL'] = '127.0.0.1:12001'
-		os.environ['NETCACHE_PUSH'] = '127.0.0.1:11001'
-
-	if 'NETCACHE' in os.environ:
-		if not 'NETCACHE_PUSH' in os.environ:
-			os.environ['NETCACHE_PUSH'] = os.environ['NETCACHE']
-		if not 'NETCACHE_PULL' in os.environ:
-			os.environ['NETCACHE_PULL'] = os.environ['NETCACHE']
-
-	v = os.environ['NETCACHE_PULL']
-	if v:
-		h, p = v.split(':')
-		pull_addr = (h, int(p))
-	else:
-		pull_addr = None
-
-	v = os.environ['NETCACHE_PUSH']
-	if v:
-		h, p = v.split(':')
-		push_addr = (h, int(p))
-	else:
-		push_addr = None
-
-	setup_netcache(bld, push_addr, pull_addr)
-
diff --git a/waflib/extras/objcopy.py b/waflib/extras/objcopy.py
deleted file mode 100644
index 82d8359e..00000000
--- a/waflib/extras/objcopy.py
+++ /dev/null
@@ -1,50 +0,0 @@
-#!/usr/bin/python
-# Grygoriy Fuchedzhy 2010
-
-"""
-Support for converting linked targets to ihex, srec or binary files using
-objcopy. Use the 'objcopy' feature in conjunction with the 'cc' or 'cxx'
-feature. The 'objcopy' feature uses the following attributes:
-
-objcopy_bfdname		Target object format name (eg. ihex, srec, binary).
-					   Defaults to ihex.
-objcopy_target		 File name used for objcopy output. This defaults to the
-					   target name with objcopy_bfdname as extension.
-objcopy_install_path   Install path for objcopy_target file. Defaults to ${PREFIX}/fw.
-objcopy_flags		  Additional flags passed to objcopy.
-"""
-
-from waflib.Utils import def_attrs
-from waflib import Task
-from waflib.TaskGen import feature, after_method
-
-class objcopy(Task.Task):
-	run_str = '${OBJCOPY} -O ${TARGET_BFDNAME} ${OBJCOPYFLAGS} ${SRC} ${TGT}'
-	color   = 'CYAN'
-
-@feature('objcopy')
-@after_method('apply_link')
-def map_objcopy(self):
-	def_attrs(self,
-	   objcopy_bfdname = 'ihex',
-	   objcopy_target = None,
-	   objcopy_install_path = "${PREFIX}/firmware",
-	   objcopy_flags = '')
-
-	link_output = self.link_task.outputs[0]
-	if not self.objcopy_target:
-		self.objcopy_target = link_output.change_ext('.' + self.objcopy_bfdname).name
-	task = self.create_task('objcopy', src=link_output, tgt=self.path.find_or_declare(self.objcopy_target))
-
-	task.env.append_unique('TARGET_BFDNAME', self.objcopy_bfdname)
-	try:
-		task.env.append_unique('OBJCOPYFLAGS', getattr(self, 'objcopy_flags'))
-	except AttributeError:
-		pass
-
-	if self.objcopy_install_path:
-		self.add_install_files(install_to=self.objcopy_install_path, install_from=task.outputs[0])
-
-def configure(ctx):
-	ctx.find_program('objcopy', var='OBJCOPY', mandatory=True)
-
diff --git a/waflib/extras/ocaml.py b/waflib/extras/ocaml.py
deleted file mode 100644
index 7d785c6f..00000000
--- a/waflib/extras/ocaml.py
+++ /dev/null
@@ -1,348 +0,0 @@
-#!/usr/bin/env python
-# encoding: utf-8
-# Thomas Nagy, 2006-2010 (ita)
-
-"ocaml support"
-
-import os, re
-from waflib import Utils, Task
-from waflib.Logs import error
-from waflib.TaskGen import feature, before_method, after_method, extension
-
-EXT_MLL = ['.mll']
-EXT_MLY = ['.mly']
-EXT_MLI = ['.mli']
-EXT_MLC = ['.c']
-EXT_ML  = ['.ml']
-
-open_re = re.compile(r'^\s*open\s+([a-zA-Z]+)(;;){0,1}$', re.M)
-foo = re.compile(r"""(\(\*)|(\*\))|("(\\.|[^"\\])*"|'(\\.|[^'\\])*'|.[^()*"'\\]*)""", re.M)
-def filter_comments(txt):
-	meh = [0]
-	def repl(m):
-		if m.group(1):
-			meh[0] += 1
-		elif m.group(2):
-			meh[0] -= 1
-		elif not meh[0]:
-			return m.group()
-		return ''
-	return foo.sub(repl, txt)
-
-def scan(self):
-	node = self.inputs[0]
-	code = filter_comments(node.read())
-
-	global open_re
-	names = []
-	import_iterator = open_re.finditer(code)
-	if import_iterator:
-		for import_match in import_iterator:
-			names.append(import_match.group(1))
-	found_lst = []
-	raw_lst = []
-	for name in names:
-		nd = None
-		for x in self.incpaths:
-			nd = x.find_resource(name.lower()+'.ml')
-			if not nd:
-				nd = x.find_resource(name+'.ml')
-			if nd:
-				found_lst.append(nd)
-				break
-		else:
-			raw_lst.append(name)
-
-	return (found_lst, raw_lst)
-
-native_lst=['native', 'all', 'c_object']
-bytecode_lst=['bytecode', 'all']
-
-@feature('ocaml')
-def init_ml(self):
-	Utils.def_attrs(self,
-		type = 'all',
-		incpaths_lst = [],
-		bld_incpaths_lst = [],
-		mlltasks = [],
-		mlytasks = [],
-		mlitasks = [],
-		native_tasks = [],
-		bytecode_tasks = [],
-		linktasks = [],
-		bytecode_env = None,
-		native_env = None,
-		compiled_tasks = [],
-		includes = '',
-		uselib = '',
-		are_deps_set = 0)
-
-@feature('ocaml')
-@after_method('init_ml')
-def init_envs_ml(self):
-
-	self.islibrary = getattr(self, 'islibrary', False)
-
-	global native_lst, bytecode_lst
-	self.native_env = None
-	if self.type in native_lst:
-		self.native_env = self.env.derive()
-		if self.islibrary:
-			self.native_env['OCALINKFLAGS']   = '-a'
-
-	self.bytecode_env = None
-	if self.type in bytecode_lst:
-		self.bytecode_env = self.env.derive()
-		if self.islibrary:
-			self.bytecode_env['OCALINKFLAGS'] = '-a'
-
-	if self.type == 'c_object':
-		self.native_env.append_unique('OCALINKFLAGS_OPT', '-output-obj')
-
-@feature('ocaml')
-@before_method('apply_vars_ml')
-@after_method('init_envs_ml')
-def apply_incpaths_ml(self):
-	inc_lst = self.includes.split()
-	lst = self.incpaths_lst
-	for dir in inc_lst:
-		node = self.path.find_dir(dir)
-		if not node:
-			error("node not found: " + str(dir))
-			continue
-		if not node in lst:
-			lst.append(node)
-		self.bld_incpaths_lst.append(node)
-	# now the nodes are added to self.incpaths_lst
-
-@feature('ocaml')
-@before_method('process_source')
-def apply_vars_ml(self):
-	for i in self.incpaths_lst:
-		if self.bytecode_env:
-			app = self.bytecode_env.append_value
-			app('OCAMLPATH', ['-I', i.bldpath(), '-I', i.srcpath()])
-
-		if self.native_env:
-			app = self.native_env.append_value
-			app('OCAMLPATH', ['-I', i.bldpath(), '-I', i.srcpath()])
-
-	varnames = ['INCLUDES', 'OCAMLFLAGS', 'OCALINKFLAGS', 'OCALINKFLAGS_OPT']
-	for name in self.uselib.split():
-		for vname in varnames:
-			cnt = self.env[vname+'_'+name]
-			if cnt:
-				if self.bytecode_env:
-					self.bytecode_env.append_value(vname, cnt)
-				if self.native_env:
-					self.native_env.append_value(vname, cnt)
-
-@feature('ocaml')
-@after_method('process_source')
-def apply_link_ml(self):
-
-	if self.bytecode_env:
-		ext = self.islibrary and '.cma' or '.run'
-
-		linktask = self.create_task('ocalink')
-		linktask.bytecode = 1
-		linktask.set_outputs(self.path.find_or_declare(self.target + ext))
-		linktask.env = self.bytecode_env
-		self.linktasks.append(linktask)
-
-	if self.native_env:
-		if self.type == 'c_object':
-			ext = '.o'
-		elif self.islibrary:
-			ext = '.cmxa'
-		else:
-			ext = ''
-
-		linktask = self.create_task('ocalinkx')
-		linktask.set_outputs(self.path.find_or_declare(self.target + ext))
-		linktask.env = self.native_env
-		self.linktasks.append(linktask)
-
-		# we produce a .o file to be used by gcc
-		self.compiled_tasks.append(linktask)
-
-@extension(*EXT_MLL)
-def mll_hook(self, node):
-	mll_task = self.create_task('ocamllex', node, node.change_ext('.ml'))
-	mll_task.env = self.native_env.derive()
-	self.mlltasks.append(mll_task)
-
-	self.source.append(mll_task.outputs[0])
-
-@extension(*EXT_MLY)
-def mly_hook(self, node):
-	mly_task = self.create_task('ocamlyacc', node, [node.change_ext('.ml'), node.change_ext('.mli')])
-	mly_task.env = self.native_env.derive()
-	self.mlytasks.append(mly_task)
-	self.source.append(mly_task.outputs[0])
-
-	task = self.create_task('ocamlcmi', mly_task.outputs[1], mly_task.outputs[1].change_ext('.cmi'))
-	task.env = self.native_env.derive()
-
-@extension(*EXT_MLI)
-def mli_hook(self, node):
-	task = self.create_task('ocamlcmi', node, node.change_ext('.cmi'))
-	task.env = self.native_env.derive()
-	self.mlitasks.append(task)
-
-@extension(*EXT_MLC)
-def mlc_hook(self, node):
-	task = self.create_task('ocamlcc', node, node.change_ext('.o'))
-	task.env = self.native_env.derive()
-	self.compiled_tasks.append(task)
-
-@extension(*EXT_ML)
-def ml_hook(self, node):
-	if self.native_env:
-		task = self.create_task('ocamlx', node, node.change_ext('.cmx'))
-		task.env = self.native_env.derive()
-		task.incpaths = self.bld_incpaths_lst
-		self.native_tasks.append(task)
-
-	if self.bytecode_env:
-		task = self.create_task('ocaml', node, node.change_ext('.cmo'))
-		task.env = self.bytecode_env.derive()
-		task.bytecode = 1
-		task.incpaths = self.bld_incpaths_lst
-		self.bytecode_tasks.append(task)
-
-def compile_may_start(self):
-
-	if not getattr(self, 'flag_deps', ''):
-		self.flag_deps = 1
-
-		# the evil part is that we can only compute the dependencies after the
-		# source files can be read (this means actually producing the source files)
-		if getattr(self, 'bytecode', ''):
-			alltasks = self.generator.bytecode_tasks
-		else:
-			alltasks = self.generator.native_tasks
-
-		self.signature() # ensure that files are scanned - unfortunately
-		tree = self.generator.bld
-		for node in self.inputs:
-			lst = tree.node_deps[self.uid()]
-			for depnode in lst:
-				for t in alltasks:
-					if t == self:
-						continue
-					if depnode in t.inputs:
-						self.set_run_after(t)
-
-		# TODO necessary to get the signature right - for now
-		delattr(self, 'cache_sig')
-		self.signature()
-
-	return Task.Task.runnable_status(self)
-
-class ocamlx(Task.Task):
-	"""native caml compilation"""
-	color   = 'GREEN'
-	run_str = '${OCAMLOPT} ${OCAMLPATH} ${OCAMLFLAGS} ${OCAMLINCLUDES} -c -o ${TGT} ${SRC}'
-	scan    = scan
-	runnable_status = compile_may_start
-
-class ocaml(Task.Task):
-	"""bytecode caml compilation"""
-	color   = 'GREEN'
-	run_str = '${OCAMLC} ${OCAMLPATH} ${OCAMLFLAGS} ${OCAMLINCLUDES} -c -o ${TGT} ${SRC}'
-	scan    = scan
-	runnable_status = compile_may_start
-
-class ocamlcmi(Task.Task):
-	"""interface generator (the .i files?)"""
-	color   = 'BLUE'
-	run_str = '${OCAMLC} ${OCAMLPATH} ${OCAMLINCLUDES} -o ${TGT} -c ${SRC}'
-	before  = ['ocamlcc', 'ocaml', 'ocamlcc']
-
-class ocamlcc(Task.Task):
-	"""ocaml to c interfaces"""
-	color   = 'GREEN'
-	run_str = 'cd ${TGT[0].bld_dir()} && ${OCAMLOPT} ${OCAMLFLAGS} ${OCAMLPATH} ${OCAMLINCLUDES} -c ${SRC[0].abspath()}'
-
-class ocamllex(Task.Task):
-	"""lexical generator"""
-	color   = 'BLUE'
-	run_str = '${OCAMLLEX} ${SRC} -o ${TGT}'
-	before  = ['ocamlcmi', 'ocaml', 'ocamlcc']
-
-class ocamlyacc(Task.Task):
-	"""parser generator"""
-	color   = 'BLUE'
-	run_str = '${OCAMLYACC} -b ${tsk.base()} ${SRC}'
-	before  = ['ocamlcmi', 'ocaml', 'ocamlcc']
-
-	def base(self):
-		node = self.outputs[0]
-		s = os.path.splitext(node.name)[0]
-		return node.bld_dir() + os.sep + s
-
-def link_may_start(self):
-
-	if getattr(self, 'bytecode', 0):
-		alltasks = self.generator.bytecode_tasks
-	else:
-		alltasks = self.generator.native_tasks
-
-	for x in alltasks:
-		if not x.hasrun:
-			return Task.ASK_LATER
-
-	if not getattr(self, 'order', ''):
-
-		# now reorder the inputs given the task dependencies
-		# this part is difficult, we do not have a total order on the tasks
-		# if the dependencies are wrong, this may not stop
-		seen = []
-		pendant = []+alltasks
-		while pendant:
-			task = pendant.pop(0)
-			if task in seen:
-				continue
-			for x in task.run_after:
-				if not x in seen:
-					pendant.append(task)
-					break
-			else:
-				seen.append(task)
-		self.inputs = [x.outputs[0] for x in seen]
-		self.order = 1
-	return Task.Task.runnable_status(self)
-
-class ocalink(Task.Task):
-	"""bytecode caml link"""
-	color   = 'YELLOW'
-	run_str = '${OCAMLC} -o ${TGT} ${OCAMLINCLUDES} ${OCALINKFLAGS} ${SRC}'
-	runnable_status = link_may_start
-	after = ['ocaml', 'ocamlcc']
-
-class ocalinkx(Task.Task):
-	"""native caml link"""
-	color   = 'YELLOW'
-	run_str = '${OCAMLOPT} -o ${TGT} ${OCAMLINCLUDES} ${OCALINKFLAGS_OPT} ${SRC}'
-	runnable_status = link_may_start
-	after = ['ocamlx', 'ocamlcc']
-
-def configure(conf):
-	opt = conf.find_program('ocamlopt', var='OCAMLOPT', mandatory=False)
-	occ = conf.find_program('ocamlc', var='OCAMLC', mandatory=False)
-	if (not opt) or (not occ):
-		conf.fatal('The objective caml compiler was not found:\ninstall it or make it available in your PATH')
-
-	v = conf.env
-	v['OCAMLC']       = occ
-	v['OCAMLOPT']     = opt
-	v['OCAMLLEX']     = conf.find_program('ocamllex', var='OCAMLLEX', mandatory=False)
-	v['OCAMLYACC']    = conf.find_program('ocamlyacc', var='OCAMLYACC', mandatory=False)
-	v['OCAMLFLAGS']   = ''
-	where = conf.cmd_and_log(conf.env.OCAMLC + ['-where']).strip()+os.sep
-	v['OCAMLLIB']     = where
-	v['LIBPATH_OCAML'] = where
-	v['INCLUDES_OCAML'] = where
-	v['LIB_OCAML'] = 'camlrun'
-
diff --git a/waflib/extras/package.py b/waflib/extras/package.py
deleted file mode 100644
index c06498eb..00000000
--- a/waflib/extras/package.py
+++ /dev/null
@@ -1,76 +0,0 @@
-#! /usr/bin/env python
-# encoding: utf-8
-# Thomas Nagy, 2011
-
-"""
-Obtain packages, unpack them in a location, and add associated uselib variables
-(CFLAGS_pkgname, LIBPATH_pkgname, etc).
-
-The default is use a Dependencies.txt file in the source directory.
-
-This is a work in progress.
-
-Usage:
-
-def options(opt):
-	opt.load('package')
-
-def configure(conf):
-	conf.load_packages()
-"""
-
-from waflib import Logs
-from waflib.Configure import conf
-
-try:
-	from urllib import request
-except ImportError:
-	from urllib import urlopen
-else:
-	urlopen = request.urlopen
-
-
-CACHEVAR = 'WAFCACHE_PACKAGE'
-
-@conf
-def get_package_cache_dir(self):
-	cache = None
-	if CACHEVAR in conf.environ:
-		cache = conf.environ[CACHEVAR]
-		cache = self.root.make_node(cache)
-	elif self.env[CACHEVAR]:
-		cache = self.env[CACHEVAR]
-		cache = self.root.make_node(cache)
-	else:
-		cache = self.srcnode.make_node('.wafcache_package')
-	cache.mkdir()
-	return cache
-
-@conf
-def download_archive(self, src, dst):
-	for x in self.env.PACKAGE_REPO:
-		url = '/'.join((x, src))
-		try:
-			web = urlopen(url)
-			try:
-				if web.getcode() != 200:
-					continue
-			except AttributeError:
-				pass
-		except Exception:
-			# on python3 urlopen throws an exception
-			# python 2.3 does not have getcode and throws an exception to fail
-			continue
-		else:
-			tmp = self.root.make_node(dst)
-			tmp.write(web.read())
-			Logs.warn('Downloaded %s from %s', tmp.abspath(), url)
-			break
-	else:
-		self.fatal('Could not get the package %s' % src)
-
-@conf
-def load_packages(self):
-	self.get_package_cache_dir()
-	# read the dependencies, get the archives, ..
-
diff --git a/waflib/extras/parallel_debug.py b/waflib/extras/parallel_debug.py
deleted file mode 100644
index 4ffec5e5..00000000
--- a/waflib/extras/parallel_debug.py
+++ /dev/null
@@ -1,462 +0,0 @@
-#! /usr/bin/env python
-# encoding: utf-8
-# Thomas Nagy, 2007-2010 (ita)
-
-"""
-Debugging helper for parallel compilation.
-
-Copy it to your project and load it with::
-
-	def options(opt):
-		opt.load('parallel_debug', tooldir='.')
-	def build(bld):
-		...
-
-The build will then output a file named pdebug.svg in the source directory.
-"""
-
-import re, sys, threading, time, traceback
-try:
-	from Queue import Queue
-except:
-	from queue import Queue
-from waflib import Runner, Options, Task, Logs, Errors
-
-SVG_TEMPLATE = """<?xml version="1.0" encoding="UTF-8" standalone="no"?>
-<!DOCTYPE svg PUBLIC "-//W3C//DTD SVG 1.0//EN" "http://www.w3.org/TR/2001/REC-SVG-20010904/DTD/svg10.dtd">
-<svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" version="1.0"
-   x="${project.x}" y="${project.y}" width="${project.width}" height="${project.height}" id="svg602" xml:space="preserve">
-
-<style type='text/css' media='screen'>
-	g.over rect { stroke:#FF0000; fill-opacity:0.4 }
-</style>
-
-<script type='text/javascript'><![CDATA[
-var svg  = document.getElementsByTagName('svg')[0];
-
-svg.addEventListener('mouseover', function(e) {
-	var g = e.target.parentNode;
-	var x = document.getElementById('r_' + g.id);
-	if (x) {
-		g.setAttribute('class', g.getAttribute('class') + ' over');
-		x.setAttribute('class', x.getAttribute('class') + ' over');
-		showInfo(e, g.id, e.target.attributes.tooltip.value);
-	}
-}, false);
-
-svg.addEventListener('mouseout', function(e) {
-		var g = e.target.parentNode;
-		var x = document.getElementById('r_' + g.id);
-		if (x) {
-			g.setAttribute('class', g.getAttribute('class').replace(' over', ''));
-			x.setAttribute('class', x.getAttribute('class').replace(' over', ''));
-			hideInfo(e);
-		}
-}, false);
-
-function showInfo(evt, txt, details) {
-${if project.tooltip}
-	tooltip = document.getElementById('tooltip');
-
-	var t = document.getElementById('tooltiptext');
-	t.firstChild.data = txt + " " + details;
-
-	var x = evt.clientX + 9;
-	if (x > 250) { x -= t.getComputedTextLength() + 16; }
-	var y = evt.clientY + 20;
-	tooltip.setAttribute("transform", "translate(" + x + "," + y + ")");
-	tooltip.setAttributeNS(null, "visibility", "visible");
-
-	var r = document.getElementById('tooltiprect');
-	r.setAttribute('width', t.getComputedTextLength() + 6);
-${endif}
-}
-
-function hideInfo(evt) {
-	var tooltip = document.getElementById('tooltip');
-	tooltip.setAttributeNS(null,"visibility","hidden");
-}
-]]></script>
-
-<!-- inkscape requires a big rectangle or it will not export the pictures properly -->
-<rect
-   x='${project.x}' y='${project.y}' width='${project.width}' height='${project.height}'
-   style="font-size:10;fill:#ffffff;fill-opacity:0.01;fill-rule:evenodd;stroke:#ffffff;"></rect>
-
-${if project.title}
-  <text x="${project.title_x}" y="${project.title_y}"
-    style="font-size:15px; text-anchor:middle; font-style:normal;font-weight:normal;fill:#000000;fill-opacity:1;stroke:none;stroke-width:1px;stroke-linecap:butt;stroke-linejoin:miter;stroke-opacity:1;font-family:Bitstream Vera Sans">${project.title}</text>
-${endif}
-
-
-${for cls in project.groups}
-  <g id='${cls.classname}'>
-    ${for rect in cls.rects}
-    <rect x='${rect.x}' y='${rect.y}' width='${rect.width}' height='${rect.height}' tooltip='${rect.name}' style="font-size:10;fill:${rect.color};fill-rule:evenodd;stroke:#000000;stroke-width:0.4;" />
-    ${endfor}
-  </g>
-${endfor}
-
-${for info in project.infos}
-  <g id='r_${info.classname}'>
-   <rect x='${info.x}' y='${info.y}' width='${info.width}' height='${info.height}' style="font-size:10;fill:${info.color};fill-rule:evenodd;stroke:#000000;stroke-width:0.4;" />
-   <text x="${info.text_x}" y="${info.text_y}"
-       style="font-size:12px;font-style:normal;font-weight:normal;fill:#000000;fill-opacity:1;stroke:none;stroke-width:1px;stroke-linecap:butt;stroke-linejoin:miter;stroke-opacity:1;font-family:Bitstream Vera Sans"
-   >${info.text}</text>
-  </g>
-${endfor}
-
-${if project.tooltip}
-  <g transform="translate(0,0)" visibility="hidden" id="tooltip">
-       <rect id="tooltiprect" y="-15" x="-3" width="1" height="20" style="stroke:black;fill:#edefc2;stroke-width:1"/>
-       <text id="tooltiptext" style="font-family:Arial; font-size:12;fill:black;"> </text>
-  </g>
-${endif}
-
-</svg>
-"""
-
-COMPILE_TEMPLATE = '''def f(project):
-	lst = []
-	def xml_escape(value):
-		return value.replace("&", "&amp;").replace('"', "&quot;").replace("'", "&apos;").replace("<", "&lt;").replace(">", "&gt;")
-
-	%s
-	return ''.join(lst)
-'''
-reg_act = re.compile(r"(?P<backslash>\\)|(?P<dollar>\$\$)|(?P<subst>\$\{(?P<code>[^}]*?)\})", re.M)
-def compile_template(line):
-
-	extr = []
-	def repl(match):
-		g = match.group
-		if g('dollar'):
-			return "$"
-		elif g('backslash'):
-			return "\\"
-		elif g('subst'):
-			extr.append(g('code'))
-			return "<<|@|>>"
-		return None
-
-	line2 = reg_act.sub(repl, line)
-	params = line2.split('<<|@|>>')
-	assert(extr)
-
-
-	indent = 0
-	buf = []
-	app = buf.append
-
-	def app(txt):
-		buf.append(indent * '\t' + txt)
-
-	for x in range(len(extr)):
-		if params[x]:
-			app("lst.append(%r)" % params[x])
-
-		f = extr[x]
-		if f.startswith(('if', 'for')):
-			app(f + ':')
-			indent += 1
-		elif f.startswith('py:'):
-			app(f[3:])
-		elif f.startswith(('endif', 'endfor')):
-			indent -= 1
-		elif f.startswith(('else', 'elif')):
-			indent -= 1
-			app(f + ':')
-			indent += 1
-		elif f.startswith('xml:'):
-			app('lst.append(xml_escape(%s))' % f[4:])
-		else:
-			#app('lst.append((%s) or "cannot find %s")' % (f, f))
-			app('lst.append(str(%s))' % f)
-
-	if extr:
-		if params[-1]:
-			app("lst.append(%r)" % params[-1])
-
-	fun = COMPILE_TEMPLATE % "\n\t".join(buf)
-	# uncomment the following to debug the template
-	#for i, x in enumerate(fun.splitlines()):
-	#	print i, x
-	return Task.funex(fun)
-
-# red   #ff4d4d
-# green #4da74d
-# lila  #a751ff
-
-color2code = {
-	'GREEN'  : '#4da74d',
-	'YELLOW' : '#fefe44',
-	'PINK'   : '#a751ff',
-	'RED'    : '#cc1d1d',
-	'BLUE'   : '#6687bb',
-	'CYAN'   : '#34e2e2',
-}
-
-mp = {}
-info = [] # list of (text,color)
-
-def map_to_color(name):
-	if name in mp:
-		return mp[name]
-	try:
-		cls = Task.classes[name]
-	except KeyError:
-		return color2code['RED']
-	if cls.color in mp:
-		return mp[cls.color]
-	if cls.color in color2code:
-		return color2code[cls.color]
-	return color2code['RED']
-
-def process(self):
-	m = self.generator.bld.producer
-	try:
-		# TODO another place for this?
-		del self.generator.bld.task_sigs[self.uid()]
-	except KeyError:
-		pass
-
-	self.generator.bld.producer.set_running(1, self)
-
-	try:
-		ret = self.run()
-	except Exception:
-		self.err_msg = traceback.format_exc()
-		self.hasrun = Task.EXCEPTION
-
-		# TODO cleanup
-		m.error_handler(self)
-		return
-
-	if ret:
-		self.err_code = ret
-		self.hasrun = Task.CRASHED
-	else:
-		try:
-			self.post_run()
-		except Errors.WafError:
-			pass
-		except Exception:
-			self.err_msg = traceback.format_exc()
-			self.hasrun = Task.EXCEPTION
-		else:
-			self.hasrun = Task.SUCCESS
-	if self.hasrun != Task.SUCCESS:
-		m.error_handler(self)
-
-	self.generator.bld.producer.set_running(-1, self)
-
-Task.Task.process_back = Task.Task.process
-Task.Task.process = process
-
-old_start = Runner.Parallel.start
-def do_start(self):
-	try:
-		Options.options.dband
-	except AttributeError:
-		self.bld.fatal('use def options(opt): opt.load("parallel_debug")!')
-
-	self.taskinfo = Queue()
-	old_start(self)
-	if self.dirty:
-		make_picture(self)
-Runner.Parallel.start = do_start
-
-lock_running = threading.Lock()
-def set_running(self, by, tsk):
-	with lock_running:
-		try:
-			cache = self.lock_cache
-		except AttributeError:
-			cache = self.lock_cache = {}
-
-		i = 0
-		if by > 0:
-			vals = cache.values()
-			for i in range(self.numjobs):
-				if i not in vals:
-					cache[tsk] = i
-					break
-		else:
-			i = cache[tsk]
-			del cache[tsk]
-
-		self.taskinfo.put( (i, id(tsk), time.time(), tsk.__class__.__name__, self.processed, self.count, by, ",".join(map(str, tsk.outputs)))  )
-Runner.Parallel.set_running = set_running
-
-def name2class(name):
-	return name.replace(' ', '_').replace('.', '_')
-
-def make_picture(producer):
-	# first, cast the parameters
-	if not hasattr(producer.bld, 'path'):
-		return
-
-	tmp = []
-	try:
-		while True:
-			tup = producer.taskinfo.get(False)
-			tmp.append(list(tup))
-	except:
-		pass
-
-	try:
-		ini = float(tmp[0][2])
-	except:
-		return
-
-	if not info:
-		seen = []
-		for x in tmp:
-			name = x[3]
-			if not name in seen:
-				seen.append(name)
-			else:
-				continue
-
-			info.append((name, map_to_color(name)))
-		info.sort(key=lambda x: x[0])
-
-	thread_count = 0
-	acc = []
-	for x in tmp:
-		thread_count += x[6]
-		acc.append("%d %d %f %r %d %d %d %s" % (x[0], x[1], x[2] - ini, x[3], x[4], x[5], thread_count, x[7]))
-
-	data_node = producer.bld.path.make_node('pdebug.dat')
-	data_node.write('\n'.join(acc))
-
-	tmp = [lst[:2] + [float(lst[2]) - ini] + lst[3:] for lst in tmp]
-
-	st = {}
-	for l in tmp:
-		if not l[0] in st:
-			st[l[0]] = len(st.keys())
-	tmp = [  [st[lst[0]]] + lst[1:] for lst in tmp ]
-	THREAD_AMOUNT = len(st.keys())
-
-	st = {}
-	for l in tmp:
-		if not l[1] in st:
-			st[l[1]] = len(st.keys())
-	tmp = [  [lst[0]] + [st[lst[1]]] + lst[2:] for lst in tmp ]
-
-
-	BAND = Options.options.dband
-
-	seen = {}
-	acc = []
-	for x in range(len(tmp)):
-		line = tmp[x]
-		id = line[1]
-
-		if id in seen:
-			continue
-		seen[id] = True
-
-		begin = line[2]
-		thread_id = line[0]
-		for y in range(x + 1, len(tmp)):
-			line = tmp[y]
-			if line[1] == id:
-				end = line[2]
-				#print id, thread_id, begin, end
-				#acc.append(  ( 10*thread_id, 10*(thread_id+1), 10*begin, 10*end ) )
-				acc.append( (BAND * begin, BAND*thread_id, BAND*end - BAND*begin, BAND, line[3], line[7]) )
-				break
-
-	if Options.options.dmaxtime < 0.1:
-		gwidth = 1
-		for x in tmp:
-			m = BAND * x[2]
-			if m > gwidth:
-				gwidth = m
-	else:
-		gwidth = BAND * Options.options.dmaxtime
-
-	ratio = float(Options.options.dwidth) / gwidth
-	gwidth = Options.options.dwidth
-	gheight = BAND * (THREAD_AMOUNT + len(info) + 1.5)
-
-
-	# simple data model for our template
-	class tobject(object):
-		pass
-
-	model = tobject()
-	model.x = 0
-	model.y = 0
-	model.width = gwidth + 4
-	model.height = gheight + 4
-
-	model.tooltip = not Options.options.dnotooltip
-
-	model.title = Options.options.dtitle
-	model.title_x = gwidth / 2
-	model.title_y = gheight + - 5
-
-	groups = {}
-	for (x, y, w, h, clsname, name) in acc:
-		try:
-			groups[clsname].append((x, y, w, h, name))
-		except:
-			groups[clsname] = [(x, y, w, h, name)]
-
-	# groups of rectangles (else js highlighting is slow)
-	model.groups = []
-	for cls in groups:
-		g = tobject()
-		model.groups.append(g)
-		g.classname = name2class(cls)
-		g.rects = []
-		for (x, y, w, h, name) in groups[cls]:
-			r = tobject()
-			g.rects.append(r)
-			r.x = 2 + x * ratio
-			r.y = 2 + y
-			r.width = w * ratio
-			r.height = h
-			r.name = name
-			r.color = map_to_color(cls)
-
-	cnt = THREAD_AMOUNT
-
-	# caption
-	model.infos = []
-	for (text, color) in info:
-		inf = tobject()
-		model.infos.append(inf)
-		inf.classname = name2class(text)
-		inf.x = 2 + BAND
-		inf.y = 5 + (cnt + 0.5) * BAND
-		inf.width = BAND/2
-		inf.height = BAND/2
-		inf.color = color
-
-		inf.text = text
-		inf.text_x = 2 + 2 * BAND
-		inf.text_y = 5 + (cnt + 0.5) * BAND + 10
-
-		cnt += 1
-
-	# write the file...
-	template1 = compile_template(SVG_TEMPLATE)
-	txt = template1(model)
-
-	node = producer.bld.path.make_node('pdebug.svg')
-	node.write(txt)
-	Logs.warn('Created the diagram %r', node)
-
-def options(opt):
-	opt.add_option('--dtitle', action='store', default='Parallel build representation for %r' % ' '.join(sys.argv),
-		help='title for the svg diagram', dest='dtitle')
-	opt.add_option('--dwidth', action='store', type='int', help='diagram width', default=800, dest='dwidth')
-	opt.add_option('--dtime', action='store', type='float', help='recording interval in seconds', default=0.009, dest='dtime')
-	opt.add_option('--dband', action='store', type='int', help='band width', default=22, dest='dband')
-	opt.add_option('--dmaxtime', action='store', type='float', help='maximum time, for drawing fair comparisons', default=0, dest='dmaxtime')
-	opt.add_option('--dnotooltip', action='store_true', help='disable tooltips', default=False, dest='dnotooltip')
-
diff --git a/waflib/extras/pch.py b/waflib/extras/pch.py
deleted file mode 100644
index 103e7528..00000000
--- a/waflib/extras/pch.py
+++ /dev/null
@@ -1,148 +0,0 @@
-#! /usr/bin/env python
-# encoding: utf-8
-# Alexander Afanasyev (UCLA), 2014
-
-"""
-Enable precompiled C++ header support (currently only clang++ and g++ are supported)
-
-To use this tool, wscript should look like:
-
-	def options(opt):
-		opt.load('pch')
-		# This will add `--with-pch` configure option.
-		# Unless --with-pch during configure stage specified, the precompiled header support is disabled
-
-	def configure(conf):
-		conf.load('pch')
-		# this will set conf.env.WITH_PCH if --with-pch is specified and the supported compiler is used
-		# Unless conf.env.WITH_PCH is set, the precompiled header support is disabled
-
-	def build(bld):
-		bld(features='cxx pch',
-			target='precompiled-headers',
-			name='precompiled-headers',
-			headers='a.h b.h c.h', # headers to pre-compile into `precompiled-headers`
-
-			# Other parameters to compile precompiled headers
-			# includes=...,
-			# export_includes=...,
-			# use=...,
-			# ...
-
-			# Exported parameters will be propagated even if precompiled headers are disabled
-		)
-
-		bld(
-			target='test',
-			features='cxx cxxprogram',
-			source='a.cpp b.cpp d.cpp main.cpp',
-			use='precompiled-headers',
-		)
-
-		# or
-
-		bld(
-			target='test',
-			features='pch cxx cxxprogram',
-			source='a.cpp b.cpp d.cpp main.cpp',
-			headers='a.h b.h c.h',
-		)
-
-Note that precompiled header must have multiple inclusion guards.  If the guards are missing, any benefit of precompiled header will be voided and compilation may fail in some cases.
-"""
-
-import os
-from waflib import Task, TaskGen, Utils
-from waflib.Tools import c_preproc, cxx
-
-
-PCH_COMPILER_OPTIONS = {
-	'clang++': [['-include'], '.pch', ['-x', 'c++-header']],
-	'g++':     [['-include'], '.gch', ['-x', 'c++-header']],
-}
-
-
-def options(opt):
-	opt.add_option('--without-pch', action='store_false', default=True, dest='with_pch', help='''Try to use precompiled header to speed up compilation (only g++ and clang++)''')
-
-def configure(conf):
-	if (conf.options.with_pch and conf.env['COMPILER_CXX'] in PCH_COMPILER_OPTIONS.keys()):
-		conf.env.WITH_PCH = True
-		flags = PCH_COMPILER_OPTIONS[conf.env['COMPILER_CXX']]
-		conf.env.CXXPCH_F = flags[0]
-		conf.env.CXXPCH_EXT = flags[1]
-		conf.env.CXXPCH_FLAGS = flags[2]
-
-
-@TaskGen.feature('pch')
-@TaskGen.before('process_source')
-def apply_pch(self):
-	if not self.env.WITH_PCH:
-		return
-
-	if getattr(self.bld, 'pch_tasks', None) is None:
-		self.bld.pch_tasks = {}
-
-	if getattr(self, 'headers', None) is None:
-		return
-
-	self.headers = self.to_nodes(self.headers)
-
-	if getattr(self, 'name', None):
-		try:
-			task = self.bld.pch_tasks["%s.%s" % (self.name, self.idx)]
-			self.bld.fatal("Duplicated 'pch' task with name %r" % "%s.%s" % (self.name, self.idx))
-		except KeyError:
-			pass
-
-	out = '%s.%d%s' % (self.target, self.idx, self.env['CXXPCH_EXT'])
-	out = self.path.find_or_declare(out)
-	task = self.create_task('gchx', self.headers, out)
-
-	# target should be an absolute path of `out`, but without precompiled header extension
-	task.target = out.abspath()[:-len(out.suffix())]
-
-	self.pch_task = task
-	if getattr(self, 'name', None):
-		self.bld.pch_tasks["%s.%s" % (self.name, self.idx)] = task
-
-@TaskGen.feature('cxx')
-@TaskGen.after_method('process_source', 'propagate_uselib_vars')
-def add_pch(self):
-	if not (self.env['WITH_PCH'] and getattr(self, 'use', None) and getattr(self, 'compiled_tasks', None) and getattr(self.bld, 'pch_tasks', None)):
-		return
-
-	pch = None
-	# find pch task, if any
-
-	if getattr(self, 'pch_task', None):
-		pch = self.pch_task
-	else:
-		for use in Utils.to_list(self.use):
-			try:
-				pch = self.bld.pch_tasks[use]
-			except KeyError:
-				pass
-
-	if pch:
-		for x in self.compiled_tasks:
-			x.env.append_value('CXXFLAGS', self.env['CXXPCH_F'] + [pch.target])
-
-class gchx(Task.Task):
-	run_str = '${CXX} ${ARCH_ST:ARCH} ${CXXFLAGS} ${CXXPCH_FLAGS} ${FRAMEWORKPATH_ST:FRAMEWORKPATH} ${CPPPATH_ST:INCPATHS} ${DEFINES_ST:DEFINES} ${CXXPCH_F:SRC} ${CXX_SRC_F}${SRC[0].abspath()} ${CXX_TGT_F}${TGT[0].abspath()} ${CPPFLAGS}'
-	scan    = c_preproc.scan
-	color   = 'BLUE'
-	ext_out=['.h']
-
-	def runnable_status(self):
-		try:
-			node_deps = self.generator.bld.node_deps[self.uid()]
-		except KeyError:
-			node_deps = []
-		ret = Task.Task.runnable_status(self)
-		if ret == Task.SKIP_ME and self.env.CXX_NAME == 'clang':
-			t = os.stat(self.outputs[0].abspath()).st_mtime
-			for n in self.inputs + node_deps:
-				if os.stat(n.abspath()).st_mtime > t:
-					return Task.RUN_ME
-		return ret
diff --git a/waflib/extras/pep8.py b/waflib/extras/pep8.py
deleted file mode 100644
index 676beedb..00000000
--- a/waflib/extras/pep8.py
+++ /dev/null
@@ -1,106 +0,0 @@
-#! /usr/bin/env python
-# encoding: utf-8
-#
-# written by Sylvain Rouquette, 2011
-
-'''
-Install pep8 module:
-$ easy_install pep8
-	or
-$ pip install pep8
-
-To add the pep8 tool to the waf file:
-$ ./waf-light --tools=compat15,pep8
-	or, if you have waf >= 1.6.2
-$ ./waf update --files=pep8
-
-
-Then add this to your wscript:
-
-[at]extension('.py', 'wscript')
-def run_pep8(self, node):
-	self.create_task('Pep8', node)
-
-'''
-
-import threading
-from waflib import Task, Options
-
-pep8 = __import__('pep8')
-
-
-class Pep8(Task.Task):
-	color = 'PINK'
-	lock = threading.Lock()
-
-	def check_options(self):
-		if pep8.options:
-			return
-		pep8.options = Options.options
-		pep8.options.prog = 'pep8'
-		excl = pep8.options.exclude.split(',')
-		pep8.options.exclude = [s.rstrip('/') for s in excl]
-		if pep8.options.filename:
-			pep8.options.filename = pep8.options.filename.split(',')
-		if pep8.options.select:
-			pep8.options.select = pep8.options.select.split(',')
-		else:
-			pep8.options.select = []
-		if pep8.options.ignore:
-			pep8.options.ignore = pep8.options.ignore.split(',')
-		elif pep8.options.select:
-			# Ignore all checks which are not explicitly selected
-			pep8.options.ignore = ['']
-		elif pep8.options.testsuite or pep8.options.doctest:
-			# For doctest and testsuite, all checks are required
-			pep8.options.ignore = []
-		else:
-			# The default choice: ignore controversial checks
-			pep8.options.ignore = pep8.DEFAULT_IGNORE.split(',')
-		pep8.options.physical_checks = pep8.find_checks('physical_line')
-		pep8.options.logical_checks = pep8.find_checks('logical_line')
-		pep8.options.counters = dict.fromkeys(pep8.BENCHMARK_KEYS, 0)
-		pep8.options.messages = {}
-
-	def run(self):
-		with Pep8.lock:
-			self.check_options()
-		pep8.input_file(self.inputs[0].abspath())
-		return 0 if not pep8.get_count() else -1
-
-
-def options(opt):
-	opt.add_option('-q', '--quiet', default=0, action='count',
-				   help="report only file names, or nothing with -qq")
-	opt.add_option('-r', '--repeat', action='store_true',
-				   help="show all occurrences of the same error")
-	opt.add_option('--exclude', metavar='patterns',
-				   default=pep8.DEFAULT_EXCLUDE,
-				   help="exclude files or directories which match these "
-				   "comma separated patterns (default: %s)" %
-				   pep8.DEFAULT_EXCLUDE,
-				   dest='exclude')
-	opt.add_option('--filename', metavar='patterns', default='*.py',
-				   help="when parsing directories, only check filenames "
-				   "matching these comma separated patterns (default: "
-				   "*.py)")
-	opt.add_option('--select', metavar='errors', default='',
-				   help="select errors and warnings (e.g. E,W6)")
-	opt.add_option('--ignore', metavar='errors', default='',
-				   help="skip errors and warnings (e.g. E4,W)")
-	opt.add_option('--show-source', action='store_true',
-				   help="show source code for each error")
-	opt.add_option('--show-pep8', action='store_true',
-				   help="show text of PEP 8 for each error")
-	opt.add_option('--statistics', action='store_true',
-				   help="count errors and warnings")
-	opt.add_option('--count', action='store_true',
-				   help="print total number of errors and warnings "
-				   "to standard error and set exit code to 1 if "
-				   "total is not null")
-	opt.add_option('--benchmark', action='store_true',
-				   help="measure processing speed")
-	opt.add_option('--testsuite', metavar='dir',
-				   help="run regression tests from dir")
-	opt.add_option('--doctest', action='store_true',
-				   help="run doctest on myself")
diff --git a/waflib/extras/pgicc.py b/waflib/extras/pgicc.py
deleted file mode 100644
index f8068d53..00000000
--- a/waflib/extras/pgicc.py
+++ /dev/null
@@ -1,75 +0,0 @@
-#!/usr/bin/env python
-# encoding: utf-8
-# Antoine Dechaume 2011
-
-"""
-Detect the PGI C compiler
-"""
-
-import sys, re
-from waflib import Errors
-from waflib.Configure import conf
-from waflib.Tools.compiler_c import c_compiler
-c_compiler['linux'].append('pgicc')
-
-@conf
-def find_pgi_compiler(conf, var, name):
-	"""
-	Find the program name, and execute it to ensure it really is itself.
-	"""
-	if sys.platform == 'cygwin':
-		conf.fatal('The PGI compiler does not work on Cygwin')
-
-	v = conf.env
-	cc = None
-	if v[var]:
-		cc = v[var]
-	elif var in conf.environ:
-		cc = conf.environ[var]
-	if not cc:
-		cc = conf.find_program(name, var=var)
-	if not cc:
-		conf.fatal('PGI Compiler (%s) was not found' % name)
-
-	v[var + '_VERSION'] = conf.get_pgi_version(cc)
-	v[var] = cc
-	v[var + '_NAME'] = 'pgi'
-
-@conf
-def get_pgi_version(conf, cc):
-	"""Find the version of a pgi compiler."""
-	version_re = re.compile(r"The Portland Group", re.I).search
-	cmd = cc + ['-V', '-E'] # Issue 1078, prevent wrappers from linking
-
-	try:
-		out, err = conf.cmd_and_log(cmd, output=0)
-	except Errors.WafError:
-		conf.fatal('Could not find pgi compiler %r' % cmd)
-
-	if out:
-		match = version_re(out)
-	else:
-		match = version_re(err)
-
-	if not match:
-		conf.fatal('Could not verify PGI signature')
-
-	cmd = cc + ['-help=variable']
-	try:
-		out, err = conf.cmd_and_log(cmd, output=0)
-	except Errors.WafError:
-		conf.fatal('Could not find pgi compiler %r' % cmd)
-
-	version = re.findall(r'^COMPVER\s*=(.*)', out, re.M)
-	if len(version) != 1:
-		conf.fatal('Could not determine the compiler version')
-	return version[0]
-
-def configure(conf):
-	conf.find_pgi_compiler('CC', 'pgcc')
-	conf.find_ar()
-	conf.gcc_common_flags()
-	conf.cc_load_tools()
-	conf.cc_add_flags()
-	conf.link_add_flags()
-
diff --git a/waflib/extras/pgicxx.py b/waflib/extras/pgicxx.py
deleted file mode 100644
index eae121c4..00000000
--- a/waflib/extras/pgicxx.py
+++ /dev/null
@@ -1,20 +0,0 @@
-#!/usr/bin/env python
-# encoding: utf-8
-# Antoine Dechaume 2011
-
-"""
-Detect the PGI C++ compiler
-"""
-
-from waflib.Tools.compiler_cxx import cxx_compiler
-cxx_compiler['linux'].append('pgicxx')
-
-from waflib.extras import pgicc
-
-def configure(conf):
-	conf.find_pgi_compiler('CXX', 'pgCC')
-	conf.find_ar()
-	conf.gxx_common_flags()
-	conf.cxx_load_tools()
-	conf.cxx_add_flags()
-	conf.link_add_flags()
diff --git a/waflib/extras/proc.py b/waflib/extras/proc.py
deleted file mode 100644
index 764abecf..00000000
--- a/waflib/extras/proc.py
+++ /dev/null
@@ -1,54 +0,0 @@
-#! /usr/bin/env python
-# per rosengren 2011
-
-from os import environ, path
-from waflib import TaskGen, Utils
-
-def options(opt):
-	grp = opt.add_option_group('Oracle ProC Options')
-	grp.add_option('--oracle_home', action='store', default=environ.get('PROC_ORACLE'), help='Path to Oracle installation home (has bin/lib)')
-	grp.add_option('--tns_admin', action='store', default=environ.get('TNS_ADMIN'), help='Directory containing server list (TNS_NAMES.ORA)')
-	grp.add_option('--connection', action='store', default='dummy-user/dummy-password@dummy-server', help='Format: user/password@server')
-
-def configure(cnf):
-	env = cnf.env
-	if not env.PROC_ORACLE:
-		env.PROC_ORACLE = cnf.options.oracle_home
-	if not env.PROC_TNS_ADMIN:
-		env.PROC_TNS_ADMIN = cnf.options.tns_admin
-	if not env.PROC_CONNECTION:
-		env.PROC_CONNECTION = cnf.options.connection
-	cnf.find_program('proc', var='PROC', path_list=env.PROC_ORACLE + path.sep + 'bin')
-
-def proc(tsk):
-	env = tsk.env
-	gen = tsk.generator
-	inc_nodes = gen.to_incnodes(Utils.to_list(getattr(gen,'includes',[])) + env['INCLUDES'])
-
-	cmd = (
-		[env.PROC] +
-		['SQLCHECK=SEMANTICS'] +
-		(['SYS_INCLUDE=(' + ','.join(env.PROC_INCLUDES) + ')']
-			if env.PROC_INCLUDES else []) +
-		['INCLUDE=(' + ','.join(
-			[i.bldpath() for i in inc_nodes]
-		) + ')'] +
-		['userid=' + env.PROC_CONNECTION] +
-		['INAME=' + tsk.inputs[0].bldpath()] +
-		['ONAME=' + tsk.outputs[0].bldpath()]
-	)
-	exec_env = {
-		'ORACLE_HOME': env.PROC_ORACLE,
-		'LD_LIBRARY_PATH': env.PROC_ORACLE + path.sep + 'lib',
-	}
-	if env.PROC_TNS_ADMIN:
-		exec_env['TNS_ADMIN'] = env.PROC_TNS_ADMIN
-	return tsk.exec_command(cmd, env=exec_env)
-
-TaskGen.declare_chain(
-	name = 'proc',
-	rule = proc,
-	ext_in = '.pc',
-	ext_out = '.c',
-)
-
diff --git a/waflib/extras/protoc.py b/waflib/extras/protoc.py
deleted file mode 100644
index 839c510b..00000000
--- a/waflib/extras/protoc.py
+++ /dev/null
@@ -1,223 +0,0 @@
-#!/usr/bin/env python
-# encoding: utf-8
-# Philipp Bender, 2012
-# Matt Clarkson, 2012
-
-import re, os
-from waflib.Task import Task
-from waflib.TaskGen import extension
-from waflib import Errors, Context, Logs
-
-"""
-A simple tool to integrate protocol buffers into your build system.
-
-Example for C++:
-
-    def configure(conf):
-        conf.load('compiler_cxx cxx protoc')
-
-    def build(bld):
-        bld(
-                features = 'cxx cxxprogram'
-                source   = 'main.cpp file1.proto proto/file2.proto',
-                includes = '. proto',
-                target   = 'executable')
-
-Example for Python:
-
-    def configure(conf):
-        conf.load('python protoc')
-
-    def build(bld):
-        bld(
-                features = 'py'
-                source   = 'main.py file1.proto proto/file2.proto',
-                protoc_includes  = 'proto')
-
-Example for both Python and C++ at same time:
-
-    def configure(conf):
-        conf.load('cxx python protoc')
-
-    def build(bld):
-        bld(
-                features = 'cxx py'
-                source   = 'file1.proto proto/file2.proto',
-                protoc_includes  = 'proto')	# or includes
-
-
-Example for Java:
-
-    def options(opt):
-        opt.load('java')
-
-    def configure(conf):
-        conf.load('python java protoc')
-        # Here you have to point to your protobuf-java JAR and have it in classpath
-        conf.env.CLASSPATH_PROTOBUF = ['protobuf-java-2.5.0.jar']
-
-    def build(bld):
-        bld(
-                features = 'javac protoc',
-                name = 'pbjava',
-                srcdir = 'inc/ src',	# directories used by javac
-                source   = ['inc/message_inc.proto', 'inc/message.proto'],
-					# source is used by protoc for .proto files
-                use = 'PROTOBUF',
-                protoc_includes = ['inc']) # for protoc to search dependencies
-
-
-Protoc includes passed via protoc_includes are either relative to the taskgen
-or to the project and are searched in this order.
-
-Include directories external to the waf project can also be passed to the
-extra by using protoc_extincludes
-
-                protoc_extincludes = ['/usr/include/pblib']
-
-
-Notes when using this tool:
-
-- protoc command line parsing is tricky.
-
-  The generated files can be put in subfolders which depend on
-  the order of the include paths.
-
-  Try to be simple when creating task generators
-  containing protoc stuff.
-
-"""
-
-class protoc(Task):
-	run_str = '${PROTOC} ${PROTOC_FL:PROTOC_FLAGS} ${PROTOC_ST:INCPATHS} ${PROTOC_ST:PROTOC_INCPATHS} ${PROTOC_ST:PROTOC_EXTINCPATHS} ${SRC[0].bldpath()}'
-	color   = 'BLUE'
-	ext_out = ['.h', 'pb.cc', '.py', '.java']
-	def scan(self):
-		"""
-		Scan .proto dependencies
-		"""
-		node = self.inputs[0]
-
-		nodes = []
-		names = []
-		seen = []
-		search_nodes = []
-
-		if not node:
-			return (nodes, names)
-
-		if 'cxx' in self.generator.features:
-			search_nodes = self.generator.includes_nodes
-
-		if 'py' in self.generator.features or 'javac' in self.generator.features:
-			for incpath in getattr(self.generator, 'protoc_includes', []):
-				incpath_node = self.generator.path.find_node(incpath)
-				if incpath_node:
-					search_nodes.append(incpath_node)
-				else:
-					# Check if relative to top-level for extra tg dependencies
-					incpath_node = self.generator.bld.path.find_node(incpath)
-					if incpath_node:
-						search_nodes.append(incpath_node)
-					else:
-						raise Errors.WafError('protoc: include path %r does not exist' % incpath)
-
-
-		def parse_node(node):
-			if node in seen:
-				return
-			seen.append(node)
-			code = node.read().splitlines()
-			for line in code:
-				m = re.search(r'^import\s+"(.*)";.*(//)?.*', line)
-				if m:
-					dep = m.groups()[0]
-					for incnode in search_nodes:
-						found = incnode.find_resource(dep)
-						if found:
-							nodes.append(found)
-							parse_node(found)
-						else:
-							names.append(dep)
-
-		parse_node(node)
-		# Add also dependencies path to INCPATHS so protoc will find the included file
-		for deppath in nodes:
-			self.env.append_unique('INCPATHS', deppath.parent.bldpath())
-		return (nodes, names)
-
-@extension('.proto')
-def process_protoc(self, node):
-	incdirs = []
-	out_nodes = []
-	protoc_flags = []
-
-	# ensure PROTOC_FLAGS is a list; a copy is used below anyway
-	self.env.PROTOC_FLAGS = self.to_list(self.env.PROTOC_FLAGS)
-
-	if 'cxx' in self.features:
-		cpp_node = node.change_ext('.pb.cc')
-		hpp_node = node.change_ext('.pb.h')
-		self.source.append(cpp_node)
-		out_nodes.append(cpp_node)
-		out_nodes.append(hpp_node)
-		protoc_flags.append('--cpp_out=%s' % node.parent.get_bld().bldpath())
-
-	if 'py' in self.features:
-		py_node = node.change_ext('_pb2.py')
-		self.source.append(py_node)
-		out_nodes.append(py_node)
-		protoc_flags.append('--python_out=%s' % node.parent.get_bld().bldpath())
-
-	if 'javac' in self.features:
-		# Make javac get also pick java code generated in build
-		if not node.parent.get_bld() in self.javac_task.srcdir:
-			self.javac_task.srcdir.append(node.parent.get_bld())
-
-		protoc_flags.append('--java_out=%s' % node.parent.get_bld().bldpath())
-
-	tsk = self.create_task('protoc', node, out_nodes)
-	tsk.env.append_value('PROTOC_FLAGS', protoc_flags)
-
-	if 'javac' in self.features:
-		self.javac_task.set_run_after(tsk)
-
-	# Instruct protoc where to search for .proto included files.
-	# For C++ standard include files dirs are used,
-	# but this doesn't apply to Python for example
-	for incpath in getattr(self, 'protoc_includes', []):
-		incpath_node = self.path.find_node(incpath)
-		if incpath_node:
-			incdirs.append(incpath_node.bldpath())
-		else:
-			# Check if relative to top-level for extra tg dependencies
-			incpath_node = self.bld.path.find_node(incpath)
-			if incpath_node:
-				incdirs.append(incpath_node.bldpath())
-			else:
-				raise Errors.WafError('protoc: include path %r does not exist' % incpath)
-
-	tsk.env.PROTOC_INCPATHS = incdirs
-
-	# Include paths external to the waf project (ie. shared pb repositories)
-	tsk.env.PROTOC_EXTINCPATHS = getattr(self, 'protoc_extincludes', [])
-
-	# PR2115: protoc generates output of .proto files in nested
-	# directories  by canonicalizing paths. To avoid this we have to pass
-	# as first include the full directory file of the .proto file
-	tsk.env.prepend_value('INCPATHS', node.parent.bldpath())
-
-	use = getattr(self, 'use', '')
-	if not 'PROTOBUF' in use:
-		self.use = self.to_list(use) + ['PROTOBUF']
-
-def configure(conf):
-	conf.check_cfg(package='protobuf', uselib_store='PROTOBUF', args=['--cflags', '--libs'])
-	conf.find_program('protoc', var='PROTOC')
-	conf.start_msg('Checking for protoc version')
-	protocver = conf.cmd_and_log(conf.env.PROTOC + ['--version'], output=Context.BOTH)
-	protocver = ''.join(protocver).strip()[protocver[0].rfind(' ')+1:]
-	conf.end_msg(protocver)
-	conf.env.PROTOC_MAJOR = protocver[:protocver.find('.')]
-	conf.env.PROTOC_ST = '-I%s'
-	conf.env.PROTOC_FL = '%s'
diff --git a/waflib/extras/pyqt5.py b/waflib/extras/pyqt5.py
deleted file mode 100644
index 80f43b88..00000000
--- a/waflib/extras/pyqt5.py
+++ /dev/null
@@ -1,241 +0,0 @@
-#!/usr/bin/env python
-# encoding: utf-8
-# Federico Pellegrin, 2016-2018 (fedepell) adapted for Python
-
-"""
-This tool helps with finding Python Qt5 tools and libraries,
-and provides translation from QT5 files to Python code.
-
-The following snippet illustrates the tool usage::
-
-	def options(opt):
-		opt.load('py pyqt5')
-
-	def configure(conf):
-		conf.load('py pyqt5')
-
-	def build(bld):
-		bld(
-			features = 'py pyqt5',
-			source   = 'main.py textures.qrc aboutDialog.ui',
-		)
-
-Here, the UI description and resource files will be processed
-to generate code.
-
-Usage
-=====
-
-Load the "pyqt5" tool.
-
-Add into the sources list also the qrc resources files or ui5
-definition files and they will be translated into python code
-with the system tools (PyQt5, pyside2, PyQt4 are searched in this
-order) and then compiled
-"""
-
-try:
-	from xml.sax import make_parser
-	from xml.sax.handler import ContentHandler
-except ImportError:
-	has_xml = False
-	ContentHandler = object
-else:
-	has_xml = True
-
-import os
-from waflib.Tools import python
-from waflib import Task, Options
-from waflib.TaskGen import feature, extension
-from waflib.Configure import conf
-from waflib import Logs
-
-EXT_RCC = ['.qrc']
-"""
-File extension for the resource (.qrc) files
-"""
-
-EXT_UI  = ['.ui']
-"""
-File extension for the user interface (.ui) files
-"""
-
-
-class XMLHandler(ContentHandler):
-	"""
-	Parses ``.qrc`` files
-	"""
-	def __init__(self):
-		self.buf = []
-		self.files = []
-	def startElement(self, name, attrs):
-		if name == 'file':
-			self.buf = []
-	def endElement(self, name):
-		if name == 'file':
-			self.files.append(str(''.join(self.buf)))
-	def characters(self, cars):
-		self.buf.append(cars)
-
-@extension(*EXT_RCC)
-def create_pyrcc_task(self, node):
-	"Creates rcc and py task for ``.qrc`` files"
-	rcnode = node.change_ext('.py')
-	self.create_task('pyrcc', node, rcnode)
-	if getattr(self, 'install_from', None):
-		self.install_from = self.install_from.get_bld()
-	else:
-		self.install_from = self.path.get_bld()
-	self.install_path = getattr(self, 'install_path', '${PYTHONDIR}')
-	self.process_py(rcnode)
-
-@extension(*EXT_UI)
-def create_pyuic_task(self, node):
-	"Create uic tasks and py for user interface ``.ui`` definition files"
-	uinode = node.change_ext('.py')
-	self.create_task('ui5py', node, uinode)
-	if getattr(self, 'install_from', None):
-		self.install_from = self.install_from.get_bld()
-	else:
-		self.install_from = self.path.get_bld()
-	self.install_path = getattr(self, 'install_path', '${PYTHONDIR}')
-	self.process_py(uinode)
-
-@extension('.ts')
-def add_pylang(self, node):
-	"""Adds all the .ts file into ``self.lang``"""
-	self.lang = self.to_list(getattr(self, 'lang', [])) + [node]
-
-@feature('pyqt5')
-def apply_pyqt5(self):
-	"""
-	The additional parameters are:
-
-	:param lang: list of translation files (\\*.ts) to process
-	:type lang: list of :py:class:`waflib.Node.Node` or string without the .ts extension
-	:param langname: if given, transform the \\*.ts files into a .qrc files to include in the binary file
-	:type langname: :py:class:`waflib.Node.Node` or string without the .qrc extension
-	"""
-	if getattr(self, 'lang', None):
-		qmtasks = []
-		for x in self.to_list(self.lang):
-			if isinstance(x, str):
-				x = self.path.find_resource(x + '.ts')
-			qmtasks.append(self.create_task('ts2qm', x, x.change_ext('.qm')))
-
-
-		if getattr(self, 'langname', None):
-			qmnodes = [k.outputs[0] for k in qmtasks]
-			rcnode = self.langname
-			if isinstance(rcnode, str):
-				rcnode = self.path.find_or_declare(rcnode + '.qrc')
-			t = self.create_task('qm2rcc', qmnodes, rcnode)
-			create_pyrcc_task(self, t.outputs[0])
-
-class pyrcc(Task.Task):
-	"""
-	Processes ``.qrc`` files
-	"""
-	color   = 'BLUE'
-	run_str = '${QT_PYRCC} ${SRC} -o ${TGT}'
-	ext_out = ['.py']
-
-	def rcname(self):
-		return os.path.splitext(self.inputs[0].name)[0]
-
-	def scan(self):
-		"""Parse the *.qrc* files"""
-		if not has_xml:
-			Logs.error('No xml.sax support was found, rcc dependencies will be incomplete!')
-			return ([], [])
-
-		parser = make_parser()
-		curHandler = XMLHandler()
-		parser.setContentHandler(curHandler)
-		fi = open(self.inputs[0].abspath(), 'r')
-		try:
-			parser.parse(fi)
-		finally:
-			fi.close()
-
-		nodes = []
-		names = []
-		root = self.inputs[0].parent
-		for x in curHandler.files:
-			nd = root.find_resource(x)
-			if nd:
-				nodes.append(nd)
-			else:
-				names.append(x)
-		return (nodes, names)
-
-
-class ui5py(Task.Task):
-	"""
-	Processes ``.ui`` files for python
-	"""
-	color   = 'BLUE'
-	run_str = '${QT_PYUIC} ${SRC} -o ${TGT}'
-	ext_out = ['.py']
-
-class ts2qm(Task.Task):
-	"""
-	Generates ``.qm`` files from ``.ts`` files
-	"""
-	color   = 'BLUE'
-	run_str = '${QT_LRELEASE} ${QT_LRELEASE_FLAGS} ${SRC} -qm ${TGT}'
-
-class qm2rcc(Task.Task):
-	"""
-	Generates ``.qrc`` files from ``.qm`` files
-	"""
-	color = 'BLUE'
-	after = 'ts2qm'
-	def run(self):
-		"""Create a qrc file including the inputs"""
-		txt = '\n'.join(['<file>%s</file>' % k.path_from(self.outputs[0].parent) for k in self.inputs])
-		code = '<!DOCTYPE RCC><RCC version="1.0">\n<qresource>\n%s\n</qresource>\n</RCC>' % txt
-		self.outputs[0].write(code)
-
-def configure(self):
-	self.find_pyqt5_binaries()
-
-	# warn about this during the configuration too
-	if not has_xml:
-		Logs.error('No xml.sax support was found, rcc dependencies will be incomplete!')
-
-@conf
-def find_pyqt5_binaries(self):
-	"""
-	Detects PyQt5 or pyside2 programs such as pyuic5/pyside2-uic, pyrcc5/pyside2-rcc
-	"""
-	env = self.env
-
-	if getattr(Options.options, 'want_pyside2', True):
-		self.find_program(['pyside2-uic'], var='QT_PYUIC')
-		self.find_program(['pyside2-rcc'], var='QT_PYRCC')
-		self.find_program(['pyside2-lupdate'], var='QT_PYLUPDATE')
-	elif getattr(Options.options, 'want_pyqt4', True):
-		self.find_program(['pyuic4'], var='QT_PYUIC')
-		self.find_program(['pyrcc4'], var='QT_PYRCC')
-		self.find_program(['pylupdate4'], var='QT_PYLUPDATE')
-	else:
-		self.find_program(['pyuic5','pyside2-uic','pyuic4'], var='QT_PYUIC')
-		self.find_program(['pyrcc5','pyside2-rcc','pyrcc4'], var='QT_PYRCC')
-		self.find_program(['pylupdate5', 'pyside2-lupdate','pylupdate4'], var='QT_PYLUPDATE')
-
-	if not env.QT_PYUIC:
-		self.fatal('cannot find the uic compiler for python for qt5')
-
-	if not env.QT_PYUIC:
-		self.fatal('cannot find the rcc compiler for python for qt5')
-
-	self.find_program(['lrelease-qt5', 'lrelease'], var='QT_LRELEASE')
-
-def options(opt):
-	"""
-	Command-line options
-	"""
-	pyqt5opt=opt.add_option_group("Python QT5 Options")
-	pyqt5opt.add_option('--pyqt5-pyside2', action='store_true', default=False, dest='want_pyside2', help='use pyside2 bindings as python QT5 bindings (default PyQt5 is searched first, PySide2 after)')
-	pyqt5opt.add_option('--pyqt5-pyqt4', action='store_true', default=False, dest='want_pyqt4', help='use PyQt4 bindings as python QT5 bindings (default PyQt5 is searched first, PySide2 after, PyQt4 last)')
diff --git a/waflib/extras/pytest.py b/waflib/extras/pytest.py
deleted file mode 100644
index 7dd5a1a0..00000000
--- a/waflib/extras/pytest.py
+++ /dev/null
@@ -1,225 +0,0 @@
-#! /usr/bin/env python
-# encoding: utf-8
-# Calle Rosenquist, 2016-2018 (xbreak)
-
-"""
-Provides Python unit test support using :py:class:`waflib.Tools.waf_unit_test.utest`
-task via the **pytest** feature.
-
-To use pytest the following is needed:
-
-1. Load `pytest` and the dependency `waf_unit_test` tools.
-2. Create a task generator with feature `pytest` (not `test`) and customize behaviour with
-   the following attributes:
-
-   - `pytest_source`: Test input files.
-   - `ut_str`: Test runner command, e.g. ``${PYTHON} -B -m unittest discover`` or
-               if nose is used: ``${NOSETESTS} --no-byte-compile ${SRC}``.
-   - `ut_shell`: Determines if ``ut_str`` is executed in a shell. Default: False.
-   - `ut_cwd`: Working directory for test runner. Defaults to directory of
-               first ``pytest_source`` file.
-
-   Additionally the following `pytest` specific attributes are used in dependent taskgens:
-
-   - `pytest_path`: Node or string list of additional Python paths.
-   - `pytest_libpath`: Node or string list of additional library paths.
-
-The `use` dependencies are used for both update calculation and to populate
-the following environment variables for the `pytest` test runner:
-
-1. `PYTHONPATH` (`sys.path`) of any dependent taskgen that has the feature `py`:
-
-   - `install_from` attribute is used to determine where the root of the Python sources
-      are located. If `install_from` is not specified the default is to use the taskgen path
-      as the root.
-
-   - `pytest_path` attribute is used to manually specify additional Python paths.
-
-2. Dynamic linker search path variable (e.g. `LD_LIBRARY_PATH`) of any dependent taskgen with
-   non-static link_task.
-
-   - `pytest_libpath` attribute is used to manually specify additional linker paths.
-
-Note: `pytest` cannot automatically determine the correct `PYTHONPATH` for `pyext` taskgens
-      because the extension might be part of a Python package or used standalone:
-
-      - When used as part of another `py` package, the `PYTHONPATH` is provided by
-      that taskgen so no additional action is required.
-
-      - When used as a standalone module, the user needs to specify the `PYTHONPATH` explicitly
-      via the `pytest_path` attribute on the `pyext` taskgen.
-
-      For details c.f. the pytest playground examples.
-
-
-For example::
-
-    # A standalone Python C extension that demonstrates unit test environment population
-    # of PYTHONPATH and LD_LIBRARY_PATH/PATH/DYLD_LIBRARY_PATH.
-    #
-    # Note: `pytest_path` is provided here because pytest cannot automatically determine
-    # if the extension is part of another Python package or is used standalone.
-    bld(name         = 'foo_ext',
-        features     = 'c cshlib pyext',
-        source       = 'src/foo_ext.c',
-        target       = 'foo_ext',
-        pytest_path  = [ bld.path.get_bld() ])
-
-    # Python package under test that also depend on the Python module `foo_ext`
-    #
-    # Note: `install_from` is added automatically to `PYTHONPATH`.
-    bld(name         = 'foo',
-        features     = 'py',
-        use          = 'foo_ext',
-        source       = bld.path.ant_glob('src/foo/*.py'),
-        install_from = 'src')
-
-    # Unit test example using the built in module unittest and let that discover
-    # any test cases.
-    bld(name          = 'foo_test',
-        features      = 'pytest',
-        use           = 'foo',
-        pytest_source = bld.path.ant_glob('test/*.py'),
-        ut_str        = '${PYTHON} -B -m unittest discover')
-
-"""
-
-import os
-from waflib import Task, TaskGen, Errors, Utils, Logs
-from waflib.Tools import ccroot
-
-def _process_use_rec(self, name):
-	"""
-	Recursively process ``use`` for task generator with name ``name``..
-	Used by pytest_process_use.
-	"""
-	if name in self.pytest_use_not or name in self.pytest_use_seen:
-		return
-	try:
-		tg = self.bld.get_tgen_by_name(name)
-	except Errors.WafError:
-		self.pytest_use_not.add(name)
-		return
-
-	self.pytest_use_seen.append(name)
-	tg.post()
-
-	for n in self.to_list(getattr(tg, 'use', [])):
-		_process_use_rec(self, n)
-
-
-@TaskGen.feature('pytest')
-@TaskGen.after_method('process_source', 'apply_link')
-def pytest_process_use(self):
-	"""
-	Process the ``use`` attribute which contains a list of task generator names and store
-	paths that later is used to populate the unit test runtime environment.
-	"""
-	self.pytest_use_not = set()
-	self.pytest_use_seen = []
-	self.pytest_paths = [] # strings or Nodes
-	self.pytest_libpaths = [] # strings or Nodes
-	self.pytest_dep_nodes = []
-
-	names = self.to_list(getattr(self, 'use', []))
-	for name in names:
-		_process_use_rec(self, name)
-	
-	def extend_unique(lst, varlst):
-		ext = []
-		for x in varlst:
-			if x not in lst:
-				ext.append(x)
-		lst.extend(ext)
-
-	# Collect type specific info needed to construct a valid runtime environment
-	# for the test.
-	for name in self.pytest_use_seen:
-		tg = self.bld.get_tgen_by_name(name)
-
-		extend_unique(self.pytest_paths, Utils.to_list(getattr(tg, 'pytest_path', [])))
-		extend_unique(self.pytest_libpaths, Utils.to_list(getattr(tg, 'pytest_libpath', [])))
-
-		if 'py' in tg.features:
-			# Python dependencies are added to PYTHONPATH
-			pypath = getattr(tg, 'install_from', tg.path)
-
-			if 'buildcopy' in tg.features:
-				# Since buildcopy is used we assume that PYTHONPATH in build should be used,
-				# not source
-				extend_unique(self.pytest_paths, [pypath.get_bld().abspath()])
-
-				# Add buildcopy output nodes to dependencies
-				extend_unique(self.pytest_dep_nodes, [o for task in getattr(tg, 'tasks', []) \
-														for o in getattr(task, 'outputs', [])])
-			else:
-				# If buildcopy is not used, depend on sources instead
-				extend_unique(self.pytest_dep_nodes, tg.source)
-				extend_unique(self.pytest_paths, [pypath.abspath()])
-
-		if getattr(tg, 'link_task', None):
-			# For tasks with a link_task (C, C++, D et.c.) include their library paths:
-			if not isinstance(tg.link_task, ccroot.stlink_task):
-				extend_unique(self.pytest_dep_nodes, tg.link_task.outputs)
-				extend_unique(self.pytest_libpaths, tg.link_task.env.LIBPATH)
-
-				if 'pyext' in tg.features:
-					# If the taskgen is extending Python we also want to add the interpreter libpath.
-					extend_unique(self.pytest_libpaths, tg.link_task.env.LIBPATH_PYEXT)
-				else:
-					# Only add to libpath if the link task is not a Python extension
-					extend_unique(self.pytest_libpaths, [tg.link_task.outputs[0].parent.abspath()])
-
-
-@TaskGen.feature('pytest')
-@TaskGen.after_method('pytest_process_use')
-def make_pytest(self):
-	"""
-	Creates a ``utest`` task with a populated environment for Python if not specified in ``ut_env``:
-
-	- Paths in `pytest_paths` attribute are used to populate PYTHONPATH
-	- Paths in `pytest_libpaths` attribute are used to populate the system library path (e.g. LD_LIBRARY_PATH)
-	"""
-	nodes = self.to_nodes(self.pytest_source)
-	tsk = self.create_task('utest', nodes)
-	
-	tsk.dep_nodes.extend(self.pytest_dep_nodes)
-	if getattr(self, 'ut_str', None):
-		self.ut_run, lst = Task.compile_fun(self.ut_str, shell=getattr(self, 'ut_shell', False))
-		tsk.vars = lst + tsk.vars
-
-	if getattr(self, 'ut_cwd', None):
-		if isinstance(self.ut_cwd, str):
-			# we want a Node instance
-			if os.path.isabs(self.ut_cwd):
-				self.ut_cwd = self.bld.root.make_node(self.ut_cwd)
-			else:
-				self.ut_cwd = self.path.make_node(self.ut_cwd)
-	else:
-		if tsk.inputs:
-			self.ut_cwd = tsk.inputs[0].parent
-		else:
-			raise Errors.WafError("no valid input files for pytest task, check pytest_source value")
-
-	if not self.ut_cwd.exists():
-		self.ut_cwd.mkdir()
-
-	if not hasattr(self, 'ut_env'):
-		self.ut_env = dict(os.environ)
-		def add_paths(var, lst):
-			# Add list of paths to a variable, lst can contain strings or nodes
-			lst = [ str(n) for n in lst ]
-			Logs.debug("ut: %s: Adding paths %s=%s", self, var, lst)
-			self.ut_env[var] = os.pathsep.join(lst) + os.pathsep + self.ut_env.get(var, '')
-
-		# Prepend dependency paths to PYTHONPATH and LD_LIBRARY_PATH
-		add_paths('PYTHONPATH', self.pytest_paths)
-
-		if Utils.is_win32:
-			add_paths('PATH', self.pytest_libpaths)
-		elif Utils.unversioned_sys_platform() == 'darwin':
-			add_paths('DYLD_LIBRARY_PATH', self.pytest_libpaths)
-			add_paths('LD_LIBRARY_PATH', self.pytest_libpaths)
-		else:
-			add_paths('LD_LIBRARY_PATH', self.pytest_libpaths)
-
diff --git a/waflib/extras/qnxnto.py b/waflib/extras/qnxnto.py
deleted file mode 100644
index 1158124d..00000000
--- a/waflib/extras/qnxnto.py
+++ /dev/null
@@ -1,72 +0,0 @@
-#!/usr/bin/env python
-# encoding: utf-8
-# Jérôme Carretero 2011 (zougloub)
-# QNX neutrino compatibility functions
-
-import sys, os
-from waflib import Utils
-
-class Popen(object):
-	"""
-	Popen cannot work on QNX from a threaded program:
-	Forking in threads is not implemented in neutrino.
-
-	Python's os.popen / spawn / fork won't work when running in threads (they will if in the main program thread)
-
-	In waf, this happens mostly in build.
-	And the use cases can be replaced by os.system() calls.
-	"""
-	__slots__ = ["prog", "kw", "popen", "verbose"]
-	verbose = 0
-	def __init__(self, prog, **kw):
-		try:
-			self.prog = prog
-			self.kw = kw
-			self.popen = None
-			if Popen.verbose:
-				sys.stdout.write("Popen created: %r, kw=%r..." % (prog, kw))
-
-			do_delegate = kw.get('stdout') == -1 and kw.get('stderr') == -1
-			if do_delegate:
-				if Popen.verbose:
-					print("Delegating to real Popen")
-				self.popen = self.real_Popen(prog, **kw)
-			else:
-				if Popen.verbose:
-					print("Emulating")
-		except Exception as e:
-			if Popen.verbose:
-				print("Exception: %s" % e)
-			raise
-
-	def __getattr__(self, name):
-		if Popen.verbose:
-			sys.stdout.write("Getattr: %s..." % name)
-		if name in Popen.__slots__:
-			return object.__getattribute__(self, name)
-		else:
-			if self.popen is not None:
-				if Popen.verbose:
-					print("from Popen")
-				return getattr(self.popen, name)
-			else:
-				if name == "wait":
-					return self.emu_wait
-				else:
-					raise Exception("subprocess emulation: not implemented: %s" % name)
-
-	def emu_wait(self):
-		if Popen.verbose:
-			print("emulated wait (%r kw=%r)" % (self.prog, self.kw))
-		if isinstance(self.prog, str):
-			cmd = self.prog
-		else:
-			cmd = " ".join(self.prog)
-		if 'cwd' in self.kw:
-			cmd = 'cd "%s" && %s' % (self.kw['cwd'], cmd)
-		return os.system(cmd)
-
-if sys.platform == "qnx6":
-	Popen.real_Popen = Utils.subprocess.Popen
-	Utils.subprocess.Popen = Popen
-
diff --git a/waflib/extras/qt4.py b/waflib/extras/qt4.py
deleted file mode 100644
index d19a4dda..00000000
--- a/waflib/extras/qt4.py
+++ /dev/null
@@ -1,695 +0,0 @@
-#!/usr/bin/env python
-# encoding: utf-8
-# Thomas Nagy, 2006-2010 (ita)
-
-"""
-
-Tool Description
-================
-
-This tool helps with finding Qt4 tools and libraries,
-and also provides syntactic sugar for using Qt4 tools.
-
-The following snippet illustrates the tool usage::
-
-	def options(opt):
-		opt.load('compiler_cxx qt4')
-
-	def configure(conf):
-		conf.load('compiler_cxx qt4')
-
-	def build(bld):
-		bld(
-			features = 'qt4 cxx cxxprogram',
-			uselib   = 'QTCORE QTGUI QTOPENGL QTSVG',
-			source   = 'main.cpp textures.qrc aboutDialog.ui',
-			target   = 'window',
-		)
-
-Here, the UI description and resource files will be processed
-to generate code.
-
-Usage
-=====
-
-Load the "qt4" tool.
-
-You also need to edit your sources accordingly:
-
-- the normal way of doing things is to have your C++ files
-  include the .moc file.
-  This is regarded as the best practice (and provides much faster
-  compilations).
-  It also implies that the include paths have beenset properly.
-
-- to have the include paths added automatically, use the following::
-
-     from waflib.TaskGen import feature, before_method, after_method
-     @feature('cxx')
-     @after_method('process_source')
-     @before_method('apply_incpaths')
-     def add_includes_paths(self):
-        incs = set(self.to_list(getattr(self, 'includes', '')))
-        for x in self.compiled_tasks:
-            incs.add(x.inputs[0].parent.path_from(self.path))
-        self.includes = sorted(incs)
-
-Note: another tool provides Qt processing that does not require
-.moc includes, see 'playground/slow_qt/'.
-
-A few options (--qt{dir,bin,...}) and environment variables
-(QT4_{ROOT,DIR,MOC,UIC,XCOMPILE}) allow finer tuning of the tool,
-tool path selection, etc; please read the source for more info.
-
-"""
-
-try:
-	from xml.sax import make_parser
-	from xml.sax.handler import ContentHandler
-except ImportError:
-	has_xml = False
-	ContentHandler = object
-else:
-	has_xml = True
-
-import os, sys
-from waflib.Tools import cxx
-from waflib import Task, Utils, Options, Errors, Context
-from waflib.TaskGen import feature, after_method, extension
-from waflib.Configure import conf
-from waflib import Logs
-
-MOC_H = ['.h', '.hpp', '.hxx', '.hh']
-"""
-File extensions associated to the .moc files
-"""
-
-EXT_RCC = ['.qrc']
-"""
-File extension for the resource (.qrc) files
-"""
-
-EXT_UI  = ['.ui']
-"""
-File extension for the user interface (.ui) files
-"""
-
-EXT_QT4 = ['.cpp', '.cc', '.cxx', '.C']
-"""
-File extensions of C++ files that may require a .moc processing
-"""
-
-QT4_LIBS = "QtCore QtGui QtUiTools QtNetwork QtOpenGL QtSql QtSvg QtTest QtXml QtXmlPatterns QtWebKit Qt3Support QtHelp QtScript QtDeclarative QtDesigner"
-
-class qxx(Task.classes['cxx']):
-	"""
-	Each C++ file can have zero or several .moc files to create.
-	They are known only when the files are scanned (preprocessor)
-	To avoid scanning the c++ files each time (parsing C/C++), the results
-	are retrieved from the task cache (bld.node_deps/bld.raw_deps).
-	The moc tasks are also created *dynamically* during the build.
-	"""
-
-	def __init__(self, *k, **kw):
-		Task.Task.__init__(self, *k, **kw)
-		self.moc_done = 0
-
-	def runnable_status(self):
-		"""
-		Compute the task signature to make sure the scanner was executed. Create the
-		moc tasks by using :py:meth:`waflib.Tools.qt4.qxx.add_moc_tasks` (if necessary),
-		then postpone the task execution (there is no need to recompute the task signature).
-		"""
-		if self.moc_done:
-			return Task.Task.runnable_status(self)
-		else:
-			for t in self.run_after:
-				if not t.hasrun:
-					return Task.ASK_LATER
-			self.add_moc_tasks()
-			return Task.Task.runnable_status(self)
-
-	def create_moc_task(self, h_node, m_node):
-		"""
-		If several libraries use the same classes, it is possible that moc will run several times (Issue 1318)
-		It is not possible to change the file names, but we can assume that the moc transformation will be identical,
-		and the moc tasks can be shared in a global cache.
-
-		The defines passed to moc will then depend on task generator order. If this is not acceptable, then
-		use the tool slow_qt4 instead (and enjoy the slow builds... :-( )
-		"""
-		try:
-			moc_cache = self.generator.bld.moc_cache
-		except AttributeError:
-			moc_cache = self.generator.bld.moc_cache = {}
-
-		try:
-			return moc_cache[h_node]
-		except KeyError:
-			tsk = moc_cache[h_node] = Task.classes['moc'](env=self.env, generator=self.generator)
-			tsk.set_inputs(h_node)
-			tsk.set_outputs(m_node)
-
-			if self.generator:
-				self.generator.tasks.append(tsk)
-
-			# direct injection in the build phase (safe because called from the main thread)
-			gen = self.generator.bld.producer
-			gen.outstanding.append(tsk)
-			gen.total += 1
-
-			return tsk
-
-	def moc_h_ext(self):
-		ext = []
-		try:
-			ext = Options.options.qt_header_ext.split()
-		except AttributeError:
-			pass
-		if not ext:
-			ext = MOC_H
-		return ext
-
-	def add_moc_tasks(self):
-		"""
-		Create the moc tasks by looking in ``bld.raw_deps[self.uid()]``
-		"""
-		node = self.inputs[0]
-		bld = self.generator.bld
-
-		try:
-			# compute the signature once to know if there is a moc file to create
-			self.signature()
-		except KeyError:
-			# the moc file may be referenced somewhere else
-			pass
-		else:
-			# remove the signature, it must be recomputed with the moc task
-			delattr(self, 'cache_sig')
-
-		include_nodes = [node.parent] + self.generator.includes_nodes
-
-		moctasks = []
-		mocfiles = set()
-		for d in bld.raw_deps.get(self.uid(), []):
-			if not d.endswith('.moc'):
-				continue
-
-			# process that base.moc only once
-			if d in mocfiles:
-				continue
-			mocfiles.add(d)
-
-			# find the source associated with the moc file
-			h_node = None
-
-			base2 = d[:-4]
-			for x in include_nodes:
-				for e in self.moc_h_ext():
-					h_node = x.find_node(base2 + e)
-					if h_node:
-						break
-				if h_node:
-					m_node = h_node.change_ext('.moc')
-					break
-			else:
-				# foo.cpp -> foo.cpp.moc
-				for k in EXT_QT4:
-					if base2.endswith(k):
-						for x in include_nodes:
-							h_node = x.find_node(base2)
-							if h_node:
-								break
-						if h_node:
-							m_node = h_node.change_ext(k + '.moc')
-							break
-
-			if not h_node:
-				raise Errors.WafError('No source found for %r which is a moc file' % d)
-
-			# create the moc task
-			task = self.create_moc_task(h_node, m_node)
-			moctasks.append(task)
-
-		# simple scheduler dependency: run the moc task before others
-		self.run_after.update(set(moctasks))
-		self.moc_done = 1
-
-class trans_update(Task.Task):
-	"""Update a .ts files from a list of C++ files"""
-	run_str = '${QT_LUPDATE} ${SRC} -ts ${TGT}'
-	color   = 'BLUE'
-
-class XMLHandler(ContentHandler):
-	"""
-	Parser for *.qrc* files
-	"""
-	def __init__(self):
-		self.buf = []
-		self.files = []
-	def startElement(self, name, attrs):
-		if name == 'file':
-			self.buf = []
-	def endElement(self, name):
-		if name == 'file':
-			self.files.append(str(''.join(self.buf)))
-	def characters(self, cars):
-		self.buf.append(cars)
-
-@extension(*EXT_RCC)
-def create_rcc_task(self, node):
-	"Create rcc and cxx tasks for *.qrc* files"
-	rcnode = node.change_ext('_rc.cpp')
-	self.create_task('rcc', node, rcnode)
-	cpptask = self.create_task('cxx', rcnode, rcnode.change_ext('.o'))
-	try:
-		self.compiled_tasks.append(cpptask)
-	except AttributeError:
-		self.compiled_tasks = [cpptask]
-	return cpptask
-
-@extension(*EXT_UI)
-def create_uic_task(self, node):
-	"hook for uic tasks"
-	uictask = self.create_task('ui4', node)
-	uictask.outputs = [self.path.find_or_declare(self.env['ui_PATTERN'] % node.name[:-3])]
-
-@extension('.ts')
-def add_lang(self, node):
-	"""add all the .ts file into self.lang"""
-	self.lang = self.to_list(getattr(self, 'lang', [])) + [node]
-
-@feature('qt4')
-@after_method('apply_link')
-def apply_qt4(self):
-	"""
-	Add MOC_FLAGS which may be necessary for moc::
-
-		def build(bld):
-			bld.program(features='qt4', source='main.cpp', target='app', use='QTCORE')
-
-	The additional parameters are:
-
-	:param lang: list of translation files (\\*.ts) to process
-	:type lang: list of :py:class:`waflib.Node.Node` or string without the .ts extension
-	:param update: whether to process the C++ files to update the \\*.ts files (use **waf --translate**)
-	:type update: bool
-	:param langname: if given, transform the \\*.ts files into a .qrc files to include in the binary file
-	:type langname: :py:class:`waflib.Node.Node` or string without the .qrc extension
-	"""
-	if getattr(self, 'lang', None):
-		qmtasks = []
-		for x in self.to_list(self.lang):
-			if isinstance(x, str):
-				x = self.path.find_resource(x + '.ts')
-			qmtasks.append(self.create_task('ts2qm', x, x.change_ext('.qm')))
-
-		if getattr(self, 'update', None) and Options.options.trans_qt4:
-			cxxnodes = [a.inputs[0] for a in self.compiled_tasks] + [
-				a.inputs[0] for a in self.tasks if getattr(a, 'inputs', None) and a.inputs[0].name.endswith('.ui')]
-			for x in qmtasks:
-				self.create_task('trans_update', cxxnodes, x.inputs)
-
-		if getattr(self, 'langname', None):
-			qmnodes = [x.outputs[0] for x in qmtasks]
-			rcnode = self.langname
-			if isinstance(rcnode, str):
-				rcnode = self.path.find_or_declare(rcnode + '.qrc')
-			t = self.create_task('qm2rcc', qmnodes, rcnode)
-			k = create_rcc_task(self, t.outputs[0])
-			self.link_task.inputs.append(k.outputs[0])
-
-	lst = []
-	for flag in self.to_list(self.env['CXXFLAGS']):
-		if len(flag) < 2:
-			continue
-		f = flag[0:2]
-		if f in ('-D', '-I', '/D', '/I'):
-			if (f[0] == '/'):
-				lst.append('-' + flag[1:])
-			else:
-				lst.append(flag)
-	self.env.append_value('MOC_FLAGS', lst)
-
-@extension(*EXT_QT4)
-def cxx_hook(self, node):
-	"""
-	Re-map C++ file extensions to the :py:class:`waflib.Tools.qt4.qxx` task.
-	"""
-	return self.create_compiled_task('qxx', node)
-
-class rcc(Task.Task):
-	"""
-	Process *.qrc* files
-	"""
-	color   = 'BLUE'
-	run_str = '${QT_RCC} -name ${tsk.rcname()} ${SRC[0].abspath()} ${RCC_ST} -o ${TGT}'
-	ext_out = ['.h']
-
-	def rcname(self):
-		return os.path.splitext(self.inputs[0].name)[0]
-
-	def scan(self):
-		"""Parse the *.qrc* files"""
-		if not has_xml:
-			Logs.error('no xml support was found, the rcc dependencies will be incomplete!')
-			return ([], [])
-
-		parser = make_parser()
-		curHandler = XMLHandler()
-		parser.setContentHandler(curHandler)
-		fi = open(self.inputs[0].abspath(), 'r')
-		try:
-			parser.parse(fi)
-		finally:
-			fi.close()
-
-		nodes = []
-		names = []
-		root = self.inputs[0].parent
-		for x in curHandler.files:
-			nd = root.find_resource(x)
-			if nd:
-				nodes.append(nd)
-			else:
-				names.append(x)
-		return (nodes, names)
-
-class moc(Task.Task):
-	"""
-	Create *.moc* files
-	"""
-	color   = 'BLUE'
-	run_str = '${QT_MOC} ${MOC_FLAGS} ${MOCCPPPATH_ST:INCPATHS} ${MOCDEFINES_ST:DEFINES} ${SRC} ${MOC_ST} ${TGT}'
-	def keyword(self):
-		return "Creating"
-	def __str__(self):
-		return self.outputs[0].path_from(self.generator.bld.launch_node())
-
-class ui4(Task.Task):
-	"""
-	Process *.ui* files
-	"""
-	color   = 'BLUE'
-	run_str = '${QT_UIC} ${SRC} -o ${TGT}'
-	ext_out = ['.h']
-
-class ts2qm(Task.Task):
-	"""
-	Create *.qm* files from *.ts* files
-	"""
-	color   = 'BLUE'
-	run_str = '${QT_LRELEASE} ${QT_LRELEASE_FLAGS} ${SRC} -qm ${TGT}'
-
-class qm2rcc(Task.Task):
-	"""
-	Transform *.qm* files into *.rc* files
-	"""
-	color = 'BLUE'
-	after = 'ts2qm'
-
-	def run(self):
-		"""Create a qrc file including the inputs"""
-		txt = '\n'.join(['<file>%s</file>' % k.path_from(self.outputs[0].parent) for k in self.inputs])
-		code = '<!DOCTYPE RCC><RCC version="1.0">\n<qresource>\n%s\n</qresource>\n</RCC>' % txt
-		self.outputs[0].write(code)
-
-def configure(self):
-	"""
-	Besides the configuration options, the environment variable QT4_ROOT may be used
-	to give the location of the qt4 libraries (absolute path).
-
-	The detection will use the program *pkg-config* through :py:func:`waflib.Tools.config_c.check_cfg`
-	"""
-	self.find_qt4_binaries()
-	self.set_qt4_libs_to_check()
-	self.set_qt4_defines()
-	self.find_qt4_libraries()
-	self.add_qt4_rpath()
-	self.simplify_qt4_libs()
-
-@conf
-def find_qt4_binaries(self):
-	env = self.env
-	opt = Options.options
-
-	qtdir = getattr(opt, 'qtdir', '')
-	qtbin = getattr(opt, 'qtbin', '')
-
-	paths = []
-
-	if qtdir:
-		qtbin = os.path.join(qtdir, 'bin')
-
-	# the qt directory has been given from QT4_ROOT - deduce the qt binary path
-	if not qtdir:
-		qtdir = os.environ.get('QT4_ROOT', '')
-		qtbin = os.environ.get('QT4_BIN') or os.path.join(qtdir, 'bin')
-
-	if qtbin:
-		paths = [qtbin]
-
-	# no qtdir, look in the path and in /usr/local/Trolltech
-	if not qtdir:
-		paths = os.environ.get('PATH', '').split(os.pathsep)
-		paths.append('/usr/share/qt4/bin/')
-		try:
-			lst = Utils.listdir('/usr/local/Trolltech/')
-		except OSError:
-			pass
-		else:
-			if lst:
-				lst.sort()
-				lst.reverse()
-
-				# keep the highest version
-				qtdir = '/usr/local/Trolltech/%s/' % lst[0]
-				qtbin = os.path.join(qtdir, 'bin')
-				paths.append(qtbin)
-
-	# at the end, try to find qmake in the paths given
-	# keep the one with the highest version
-	cand = None
-	prev_ver = ['4', '0', '0']
-	for qmk in ('qmake-qt4', 'qmake4', 'qmake'):
-		try:
-			qmake = self.find_program(qmk, path_list=paths)
-		except self.errors.ConfigurationError:
-			pass
-		else:
-			try:
-				version = self.cmd_and_log(qmake + ['-query', 'QT_VERSION']).strip()
-			except self.errors.WafError:
-				pass
-			else:
-				if version:
-					new_ver = version.split('.')
-					if new_ver > prev_ver:
-						cand = qmake
-						prev_ver = new_ver
-	if cand:
-		self.env.QMAKE = cand
-	else:
-		self.fatal('Could not find qmake for qt4')
-
-	qtbin = self.cmd_and_log(self.env.QMAKE + ['-query', 'QT_INSTALL_BINS']).strip() + os.sep
-
-	def find_bin(lst, var):
-		if var in env:
-			return
-		for f in lst:
-			try:
-				ret = self.find_program(f, path_list=paths)
-			except self.errors.ConfigurationError:
-				pass
-			else:
-				env[var]=ret
-				break
-
-	find_bin(['uic-qt3', 'uic3'], 'QT_UIC3')
-	find_bin(['uic-qt4', 'uic'], 'QT_UIC')
-	if not env.QT_UIC:
-		self.fatal('cannot find the uic compiler for qt4')
-
-	self.start_msg('Checking for uic version')
-	uicver = self.cmd_and_log(env.QT_UIC + ["-version"], output=Context.BOTH)
-	uicver = ''.join(uicver).strip()
-	uicver = uicver.replace('Qt User Interface Compiler ','').replace('User Interface Compiler for Qt', '')
-	self.end_msg(uicver)
-	if uicver.find(' 3.') != -1:
-		self.fatal('this uic compiler is for qt3, add uic for qt4 to your path')
-
-	find_bin(['moc-qt4', 'moc'], 'QT_MOC')
-	find_bin(['rcc-qt4', 'rcc'], 'QT_RCC')
-	find_bin(['lrelease-qt4', 'lrelease'], 'QT_LRELEASE')
-	find_bin(['lupdate-qt4', 'lupdate'], 'QT_LUPDATE')
-
-	env['UIC3_ST']= '%s -o %s'
-	env['UIC_ST'] = '%s -o %s'
-	env['MOC_ST'] = '-o'
-	env['ui_PATTERN'] = 'ui_%s.h'
-	env['QT_LRELEASE_FLAGS'] = ['-silent']
-	env.MOCCPPPATH_ST = '-I%s'
-	env.MOCDEFINES_ST = '-D%s'
-
-@conf
-def find_qt4_libraries(self):
-	qtlibs = getattr(Options.options, 'qtlibs', None) or os.environ.get("QT4_LIBDIR")
-	if not qtlibs:
-		try:
-			qtlibs = self.cmd_and_log(self.env.QMAKE + ['-query', 'QT_INSTALL_LIBS']).strip()
-		except Errors.WafError:
-			qtdir = self.cmd_and_log(self.env.QMAKE + ['-query', 'QT_INSTALL_PREFIX']).strip() + os.sep
-			qtlibs = os.path.join(qtdir, 'lib')
-	self.msg('Found the Qt4 libraries in', qtlibs)
-
-	qtincludes =  os.environ.get("QT4_INCLUDES") or self.cmd_and_log(self.env.QMAKE + ['-query', 'QT_INSTALL_HEADERS']).strip()
-	env = self.env
-	if not 'PKG_CONFIG_PATH' in os.environ:
-		os.environ['PKG_CONFIG_PATH'] = '%s:%s/pkgconfig:/usr/lib/qt4/lib/pkgconfig:/opt/qt4/lib/pkgconfig:/usr/lib/qt4/lib:/opt/qt4/lib' % (qtlibs, qtlibs)
-
-	try:
-		if os.environ.get("QT4_XCOMPILE"):
-			raise self.errors.ConfigurationError()
-		self.check_cfg(atleast_pkgconfig_version='0.1')
-	except self.errors.ConfigurationError:
-		for i in self.qt4_vars:
-			uselib = i.upper()
-			if Utils.unversioned_sys_platform() == "darwin":
-				# Since at least qt 4.7.3 each library locates in separate directory
-				frameworkName = i + ".framework"
-				qtDynamicLib = os.path.join(qtlibs, frameworkName, i)
-				if os.path.exists(qtDynamicLib):
-					env.append_unique('FRAMEWORK_' + uselib, i)
-					self.msg('Checking for %s' % i, qtDynamicLib, 'GREEN')
-				else:
-					self.msg('Checking for %s' % i, False, 'YELLOW')
-				env.append_unique('INCLUDES_' + uselib, os.path.join(qtlibs, frameworkName, 'Headers'))
-			elif env.DEST_OS != "win32":
-				qtDynamicLib = os.path.join(qtlibs, "lib" + i + ".so")
-				qtStaticLib = os.path.join(qtlibs, "lib" + i + ".a")
-				if os.path.exists(qtDynamicLib):
-					env.append_unique('LIB_' + uselib, i)
-					self.msg('Checking for %s' % i, qtDynamicLib, 'GREEN')
-				elif os.path.exists(qtStaticLib):
-					env.append_unique('LIB_' + uselib, i)
-					self.msg('Checking for %s' % i, qtStaticLib, 'GREEN')
-				else:
-					self.msg('Checking for %s' % i, False, 'YELLOW')
-
-				env.append_unique('LIBPATH_' + uselib, qtlibs)
-				env.append_unique('INCLUDES_' + uselib, qtincludes)
-				env.append_unique('INCLUDES_' + uselib, os.path.join(qtincludes, i))
-			else:
-				# Release library names are like QtCore4
-				for k in ("lib%s.a", "lib%s4.a", "%s.lib", "%s4.lib"):
-					lib = os.path.join(qtlibs, k % i)
-					if os.path.exists(lib):
-						env.append_unique('LIB_' + uselib, i + k[k.find("%s") + 2 : k.find('.')])
-						self.msg('Checking for %s' % i, lib, 'GREEN')
-						break
-				else:
-					self.msg('Checking for %s' % i, False, 'YELLOW')
-
-				env.append_unique('LIBPATH_' + uselib, qtlibs)
-				env.append_unique('INCLUDES_' + uselib, qtincludes)
-				env.append_unique('INCLUDES_' + uselib, os.path.join(qtincludes, i))
-
-				# Debug library names are like QtCore4d
-				uselib = i.upper() + "_debug"
-				for k in ("lib%sd.a", "lib%sd4.a", "%sd.lib", "%sd4.lib"):
-					lib = os.path.join(qtlibs, k % i)
-					if os.path.exists(lib):
-						env.append_unique('LIB_' + uselib, i + k[k.find("%s") + 2 : k.find('.')])
-						self.msg('Checking for %s' % i, lib, 'GREEN')
-						break
-				else:
-					self.msg('Checking for %s' % i, False, 'YELLOW')
-
-				env.append_unique('LIBPATH_' + uselib, qtlibs)
-				env.append_unique('INCLUDES_' + uselib, qtincludes)
-				env.append_unique('INCLUDES_' + uselib, os.path.join(qtincludes, i))
-	else:
-		for i in self.qt4_vars_debug + self.qt4_vars:
-			self.check_cfg(package=i, args='--cflags --libs', mandatory=False)
-
-@conf
-def simplify_qt4_libs(self):
-	# the libpaths make really long command-lines
-	# remove the qtcore ones from qtgui, etc
-	env = self.env
-	def process_lib(vars_, coreval):
-		for d in vars_:
-			var = d.upper()
-			if var == 'QTCORE':
-				continue
-
-			value = env['LIBPATH_'+var]
-			if value:
-				core = env[coreval]
-				accu = []
-				for lib in value:
-					if lib in core:
-						continue
-					accu.append(lib)
-				env['LIBPATH_'+var] = accu
-
-	process_lib(self.qt4_vars,       'LIBPATH_QTCORE')
-	process_lib(self.qt4_vars_debug, 'LIBPATH_QTCORE_DEBUG')
-
-@conf
-def add_qt4_rpath(self):
-	# rpath if wanted
-	env = self.env
-	if getattr(Options.options, 'want_rpath', False):
-		def process_rpath(vars_, coreval):
-			for d in vars_:
-				var = d.upper()
-				value = env['LIBPATH_'+var]
-				if value:
-					core = env[coreval]
-					accu = []
-					for lib in value:
-						if var != 'QTCORE':
-							if lib in core:
-								continue
-						accu.append('-Wl,--rpath='+lib)
-					env['RPATH_'+var] = accu
-		process_rpath(self.qt4_vars,       'LIBPATH_QTCORE')
-		process_rpath(self.qt4_vars_debug, 'LIBPATH_QTCORE_DEBUG')
-
-@conf
-def set_qt4_libs_to_check(self):
-	if not hasattr(self, 'qt4_vars'):
-		self.qt4_vars = QT4_LIBS
-	self.qt4_vars = Utils.to_list(self.qt4_vars)
-	if not hasattr(self, 'qt4_vars_debug'):
-		self.qt4_vars_debug = [a + '_debug' for a in self.qt4_vars]
-	self.qt4_vars_debug = Utils.to_list(self.qt4_vars_debug)
-
-@conf
-def set_qt4_defines(self):
-	if sys.platform != 'win32':
-		return
-	for x in self.qt4_vars:
-		y = x[2:].upper()
-		self.env.append_unique('DEFINES_%s' % x.upper(), 'QT_%s_LIB' % y)
-		self.env.append_unique('DEFINES_%s_DEBUG' % x.upper(), 'QT_%s_LIB' % y)
-
-def options(opt):
-	"""
-	Command-line options
-	"""
-	opt.add_option('--want-rpath', action='store_true', default=False, dest='want_rpath', help='enable the rpath for qt libraries')
-
-	opt.add_option('--header-ext',
-		type='string',
-		default='',
-		help='header extension for moc files',
-		dest='qt_header_ext')
-
-	for i in 'qtdir qtbin qtlibs'.split():
-		opt.add_option('--'+i, type='string', default='', dest=i)
-
-	opt.add_option('--translate', action="store_true", help="collect translation strings", dest="trans_qt4", default=False)
-
diff --git a/waflib/extras/relocation.py b/waflib/extras/relocation.py
deleted file mode 100644
index 7e821f41..00000000
--- a/waflib/extras/relocation.py
+++ /dev/null
@@ -1,85 +0,0 @@
-#! /usr/bin/env python
-# encoding: utf-8
-
-"""
-Waf 1.6
-
-Try to detect if the project directory was relocated, and if it was,
-change the node representing the project directory. Just call:
-
- waf configure build
-
-Note that if the project directory name changes, the signatures for the tasks using
-files in that directory will change, causing a partial build.
-"""
-
-import os
-from waflib import Build, ConfigSet, Task, Utils, Errors
-from waflib.TaskGen import feature, after_method
-
-EXTRA_LOCK = '.old_srcdir'
-
-old1 = Build.BuildContext.store
-def store(self):
-	old1(self)
-	db = os.path.join(self.variant_dir, EXTRA_LOCK)
-	env = ConfigSet.ConfigSet()
-	env.SRCDIR = self.srcnode.abspath()
-	env.store(db)
-Build.BuildContext.store = store
-
-old2 = Build.BuildContext.init_dirs
-def init_dirs(self):
-
-	if not (os.path.isabs(self.top_dir) and os.path.isabs(self.out_dir)):
-		raise Errors.WafError('The project was not configured: run "waf configure" first!')
-
-	srcdir = None
-	db = os.path.join(self.variant_dir, EXTRA_LOCK)
-	env = ConfigSet.ConfigSet()
-	try:
-		env.load(db)
-		srcdir = env.SRCDIR
-	except:
-		pass
-
-	if srcdir:
-		d = self.root.find_node(srcdir)
-		if d and srcdir != self.top_dir and getattr(d, 'children', ''):
-			srcnode = self.root.make_node(self.top_dir)
-			print("relocating the source directory %r -> %r" % (srcdir, self.top_dir))
-			srcnode.children = {}
-
-			for (k, v) in d.children.items():
-				srcnode.children[k] = v
-				v.parent = srcnode
-			d.children = {}
-
-	old2(self)
-
-Build.BuildContext.init_dirs = init_dirs
-
-
-def uid(self):
-	try:
-		return self.uid_
-	except AttributeError:
-		# this is not a real hot zone, but we want to avoid surprises here
-		m = Utils.md5()
-		up = m.update
-		up(self.__class__.__name__.encode())
-		for x in self.inputs + self.outputs:
-			up(x.path_from(x.ctx.srcnode).encode())
-		self.uid_ = m.digest()
-		return self.uid_
-Task.Task.uid = uid
-
-@feature('c', 'cxx', 'd', 'go', 'asm', 'fc', 'includes')
-@after_method('propagate_uselib_vars', 'process_source')
-def apply_incpaths(self):
-	lst = self.to_incnodes(self.to_list(getattr(self, 'includes', [])) + self.env['INCLUDES'])
-	self.includes_nodes = lst
-	bld = self.bld
-	self.env['INCPATHS'] = [x.is_child_of(bld.srcnode) and x.path_from(bld.bldnode) or x.abspath() for x in lst]
-
-
diff --git a/waflib/extras/remote.py b/waflib/extras/remote.py
deleted file mode 100644
index f43b600f..00000000
--- a/waflib/extras/remote.py
+++ /dev/null
@@ -1,327 +0,0 @@
-#!/usr/bin/env python
-# encoding: utf-8
-# Remote Builds tool using rsync+ssh
-
-__author__ = "Jérôme Carretero <cJ-waf@zougloub.eu>"
-__copyright__ = "Jérôme Carretero, 2013"
-
-"""
-Simple Remote Builds
-********************
-
-This tool is an *experimental* tool (meaning, do not even try to pollute
-the waf bug tracker with bugs in here, contact me directly) providing simple
-remote builds.
-
-It uses rsync and ssh to perform the remote builds.
-It is intended for performing cross-compilation on platforms where
-a cross-compiler is either unavailable (eg. MacOS, QNX) a specific product
-does not exist (eg. Windows builds using Visual Studio) or simply not installed.
-This tool sends the sources and the waf script to the remote host,
-and commands the usual waf execution.
-
-There are alternatives to using this tool, such as setting up shared folders,
-logging on to remote machines, and building on the shared folders.
-Electing one method or another depends on the size of the program.
-
-
-Usage
-=====
-
-1. Set your wscript file so it includes a list of variants,
-   e.g.::
-
-     from waflib import Utils
-     top = '.'
-     out = 'build'
-
-     variants = [
-      'linux_64_debug',
-      'linux_64_release',
-      'linux_32_debug',
-      'linux_32_release',
-      ]
-
-     from waflib.extras import remote
-
-     def options(opt):
-         # normal stuff from here on
-         opt.load('compiler_c')
-
-     def configure(conf):
-         if not conf.variant:
-             return
-         # normal stuff from here on
-         conf.load('compiler_c')
-
-     def build(bld):
-         if not bld.variant:
-             return
-         # normal stuff from here on
-         bld(features='c cprogram', target='app', source='main.c')
-
-
-2. Build the waf file, so it includes this tool, and put it in the current
-   directory
-
-   .. code:: bash
-
-      ./waf-light --tools=remote
-
-3. Set the host names to access the hosts:
-
-   .. code:: bash
-
-      export REMOTE_QNX=user@kiunix
-
-4. Setup the ssh server and ssh keys
-
-   The ssh key should not be protected by a password, or it will prompt for it every time.
-   Create the key on the client:
-
-   .. code:: bash
-
-      ssh-keygen -t rsa -f foo.rsa
-
-   Then copy foo.rsa.pub to the remote machine (user@kiunix:/home/user/.ssh/authorized_keys),
-   and make sure the permissions are correct (chmod go-w ~ ~/.ssh ~/.ssh/authorized_keys)
-
-   A separate key for the build processes can be set in the environment variable WAF_SSH_KEY.
-   The tool will then use 'ssh-keyscan' to avoid prompting for remote hosts, so
-   be warned to use this feature on internal networks only (MITM).
-
-   .. code:: bash
-
-      export WAF_SSH_KEY=~/foo.rsa
-
-5. Perform the build:
-
-   .. code:: bash
-
-      waf configure_all build_all --remote
-
-"""
-
-
-import getpass, os, re, sys
-from collections import OrderedDict
-from waflib import Context, Options, Utils, ConfigSet
-
-from waflib.Build import BuildContext, CleanContext, InstallContext, UninstallContext
-from waflib.Configure import ConfigurationContext
-
-
-is_remote = False
-if '--remote' in sys.argv:
-	is_remote = True
-	sys.argv.remove('--remote')
-
-class init(Context.Context):
-	"""
-	Generates the *_all commands
-	"""
-	cmd = 'init'
-	fun = 'init'
-	def execute(self):
-		for x in list(Context.g_module.variants):
-			self.make_variant(x)
-		lst = ['remote']
-		for k in Options.commands:
-			if k.endswith('_all'):
-				name = k.replace('_all', '')
-				for x in Context.g_module.variants:
-					lst.append('%s_%s' % (name, x))
-			else:
-				lst.append(k)
-		del Options.commands[:]
-		Options.commands += lst
-
-	def make_variant(self, x):
-		for y in (BuildContext, CleanContext, InstallContext, UninstallContext):
-			name = y.__name__.replace('Context','').lower()
-			class tmp(y):
-				cmd = name + '_' + x
-				fun = 'build'
-				variant = x
-		class tmp(ConfigurationContext):
-			cmd = 'configure_' + x
-			fun = 'configure'
-			variant = x
-			def __init__(self, **kw):
-				ConfigurationContext.__init__(self, **kw)
-				self.setenv(x)
-
-class remote(BuildContext):
-	cmd = 'remote'
-	fun = 'build'
-
-	def get_ssh_hosts(self):
-		lst = []
-		for v in Context.g_module.variants:
-			self.env.HOST = self.login_to_host(self.variant_to_login(v))
-			cmd = Utils.subst_vars('${SSH_KEYSCAN} -t rsa,ecdsa ${HOST}', self.env)
-			out, err = self.cmd_and_log(cmd, output=Context.BOTH, quiet=Context.BOTH)
-			lst.append(out.strip())
-		return lst
-
-	def setup_private_ssh_key(self):
-		"""
-		When WAF_SSH_KEY points to a private key, a .ssh directory will be created in the build directory
-		Make sure that the ssh key does not prompt for a password
-		"""
-		key = os.environ.get('WAF_SSH_KEY', '')
-		if not key:
-			return
-		if not os.path.isfile(key):
-			self.fatal('Key in WAF_SSH_KEY must point to a valid file')
-		self.ssh_dir = os.path.join(self.path.abspath(), 'build', '.ssh')
-		self.ssh_hosts = os.path.join(self.ssh_dir, 'known_hosts')
-		self.ssh_key = os.path.join(self.ssh_dir, os.path.basename(key))
-		self.ssh_config = os.path.join(self.ssh_dir, 'config')
-		for x in self.ssh_hosts, self.ssh_key, self.ssh_config:
-			if not os.path.isfile(x):
-				if not os.path.isdir(self.ssh_dir):
-					os.makedirs(self.ssh_dir)
-				Utils.writef(self.ssh_key, Utils.readf(key), 'wb')
-				os.chmod(self.ssh_key, 448)
-
-				Utils.writef(self.ssh_hosts, '\n'.join(self.get_ssh_hosts()))
-				os.chmod(self.ssh_key, 448)
-
-				Utils.writef(self.ssh_config, 'UserKnownHostsFile %s' % self.ssh_hosts, 'wb')
-				os.chmod(self.ssh_config, 448)
-		self.env.SSH_OPTS = ['-F', self.ssh_config, '-i', self.ssh_key]
-		self.env.append_value('RSYNC_SEND_OPTS', '--exclude=build/.ssh')
-
-	def skip_unbuildable_variant(self):
-		# skip variants that cannot be built on this OS
-		for k in Options.commands:
-			a, _, b = k.partition('_')
-			if b in Context.g_module.variants:
-				c, _, _ = b.partition('_')
-				if c != Utils.unversioned_sys_platform():
-					Options.commands.remove(k)
-
-	def login_to_host(self, login):
-		return re.sub(r'(\w+@)', '', login)
-
-	def variant_to_login(self, variant):
-		"""linux_32_debug -> search env.LINUX_32 and then env.LINUX"""
-		x = variant[:variant.rfind('_')]
-		ret = os.environ.get('REMOTE_' + x.upper(), '')
-		if not ret:
-			x = x[:x.find('_')]
-			ret = os.environ.get('REMOTE_' + x.upper(), '')
-		if not ret:
-			ret = '%s@localhost' % getpass.getuser()
-		return ret
-
-	def execute(self):
-		global is_remote
-		if not is_remote:
-			self.skip_unbuildable_variant()
-		else:
-			BuildContext.execute(self)
-
-	def restore(self):
-		self.top_dir = os.path.abspath(Context.g_module.top)
-		self.srcnode = self.root.find_node(self.top_dir)
-		self.path = self.srcnode
-
-		self.out_dir = os.path.join(self.top_dir, Context.g_module.out)
-		self.bldnode = self.root.make_node(self.out_dir)
-		self.bldnode.mkdir()
-
-		self.env = ConfigSet.ConfigSet()
-
-	def extract_groups_of_builds(self):
-		"""Return a dict mapping each variants to the commands to build"""
-		self.vgroups = {}
-		for x in reversed(Options.commands):
-			_, _, variant = x.partition('_')
-			if variant in Context.g_module.variants:
-				try:
-					dct = self.vgroups[variant]
-				except KeyError:
-					dct = self.vgroups[variant] = OrderedDict()
-				try:
-					dct[variant].append(x)
-				except KeyError:
-					dct[variant] = [x]
-				Options.commands.remove(x)
-
-	def custom_options(self, login):
-		try:
-			return Context.g_module.host_options[login]
-		except (AttributeError, KeyError):
-			return {}
-
-	def recurse(self, *k, **kw):
-		self.env.RSYNC = getattr(Context.g_module, 'rsync', 'rsync -a --chmod=u+rwx')
-		self.env.SSH = getattr(Context.g_module, 'ssh', 'ssh')
-		self.env.SSH_KEYSCAN = getattr(Context.g_module, 'ssh_keyscan', 'ssh-keyscan')
-		try:
-			self.env.WAF = getattr(Context.g_module, 'waf')
-		except AttributeError:
-			try:
-				os.stat('waf')
-			except KeyError:
-				self.fatal('Put a waf file in the directory (./waf-light --tools=remote)')
-			else:
-				self.env.WAF = './waf'
-
-		self.extract_groups_of_builds()
-		self.setup_private_ssh_key()
-		for k, v in self.vgroups.items():
-			task = self(rule=rsync_and_ssh, always=True)
-			task.env.login = self.variant_to_login(k)
-
-			task.env.commands = []
-			for opt, value in v.items():
-				task.env.commands += value
-			task.env.variant = task.env.commands[0].partition('_')[2]
-			for opt, value in self.custom_options(k):
-				task.env[opt] = value
-		self.jobs = len(self.vgroups)
-
-	def make_mkdir_command(self, task):
-		return Utils.subst_vars('${SSH} ${SSH_OPTS} ${login} "rm -fr ${remote_dir} && mkdir -p ${remote_dir}"', task.env)
-
-	def make_send_command(self, task):
-		return Utils.subst_vars('${RSYNC} ${RSYNC_SEND_OPTS} -e "${SSH} ${SSH_OPTS}" ${local_dir} ${login}:${remote_dir}', task.env)
-
-	def make_exec_command(self, task):
-		txt = '''${SSH} ${SSH_OPTS} ${login} "cd ${remote_dir} && ${WAF} ${commands}"'''
-		return Utils.subst_vars(txt, task.env)
-
-	def make_save_command(self, task):
-		return Utils.subst_vars('${RSYNC} ${RSYNC_SAVE_OPTS} -e "${SSH} ${SSH_OPTS}" ${login}:${remote_dir_variant} ${build_dir}', task.env)
-
-def rsync_and_ssh(task):
-
-	# remove a warning
-	task.uid_ = id(task)
-
-	bld = task.generator.bld
-
-	task.env.user, _, _ = task.env.login.partition('@')
-	task.env.hdir = Utils.to_hex(Utils.h_list((task.generator.path.abspath(), task.env.variant)))
-	task.env.remote_dir = '~%s/wafremote/%s' % (task.env.user, task.env.hdir)
-	task.env.local_dir = bld.srcnode.abspath() + '/'
-
-	task.env.remote_dir_variant = '%s/%s/%s' % (task.env.remote_dir, Context.g_module.out, task.env.variant)
-	task.env.build_dir = bld.bldnode.abspath()
-
-	ret = task.exec_command(bld.make_mkdir_command(task))
-	if ret:
-		return ret
-	ret = task.exec_command(bld.make_send_command(task))
-	if ret:
-		return ret
-	ret = task.exec_command(bld.make_exec_command(task))
-	if ret:
-		return ret
-	ret = task.exec_command(bld.make_save_command(task))
-	if ret:
-		return ret
-
diff --git a/waflib/extras/resx.py b/waflib/extras/resx.py
deleted file mode 100644
index caf4d318..00000000
--- a/waflib/extras/resx.py
+++ /dev/null
@@ -1,35 +0,0 @@
-#! /usr/bin/env python
-# encoding: utf-8
-
-import os
-from waflib import Task
-from waflib.TaskGen import extension
-
-def configure(conf):
-	conf.find_program(['resgen'], var='RESGEN')
-	conf.env.RESGENFLAGS = '/useSourcePath'
-
-@extension('.resx')
-def resx_file(self, node):
-	"""
-	Bind the .resx extension to a resgen task
-	"""
-	if not getattr(self, 'cs_task', None):
-		self.bld.fatal('resx_file has no link task for use %r' % self)
-
-	# Given assembly 'Foo' and file 'Sub/Dir/File.resx', create 'Foo.Sub.Dir.File.resources'
-	assembly = getattr(self, 'namespace', os.path.splitext(self.gen)[0])
-	res = os.path.splitext(node.path_from(self.path))[0].replace('/', '.').replace('\\', '.')
-	out = self.path.find_or_declare(assembly + '.' + res + '.resources')
-
-	tsk = self.create_task('resgen', node, out)
-
-	self.cs_task.dep_nodes.extend(tsk.outputs) # dependency
-	self.env.append_value('RESOURCES', tsk.outputs[0].bldpath())
-
-class resgen(Task.Task):
-	"""
-	Compile C# resource files
-	"""
-	color   = 'YELLOW'
-	run_str = '${RESGEN} ${RESGENFLAGS} ${SRC} ${TGT}'
diff --git a/waflib/extras/review.py b/waflib/extras/review.py
deleted file mode 100644
index 561e0621..00000000
--- a/waflib/extras/review.py
+++ /dev/null
@@ -1,325 +0,0 @@
-#!/usr/bin/env python
-# encoding: utf-8
-# Laurent Birtz, 2011
-# moved the code into a separate tool (ita)
-
-"""
-There are several things here:
-- a different command-line option management making options persistent
-- the review command to display the options set
-
-Assumptions:
-- configuration options are not always added to the right group (and do not count on the users to do it...)
-- the options are persistent between the executions (waf options are NOT persistent by design), even for the configuration
-- when the options change, the build is invalidated (forcing a reconfiguration)
-"""
-
-import os, textwrap, shutil
-from waflib import Logs, Context, ConfigSet, Options, Build, Configure
-
-class Odict(dict):
-	"""Ordered dictionary"""
-	def __init__(self, data=None):
-		self._keys = []
-		dict.__init__(self)
-		if data:
-			# we were provided a regular dict
-			if isinstance(data, dict):
-				self.append_from_dict(data)
-
-			# we were provided a tuple list
-			elif type(data) == list:
-				self.append_from_plist(data)
-
-			# we were provided invalid input
-			else:
-				raise Exception("expected a dict or a tuple list")
-
-	def append_from_dict(self, dict):
-		map(self.__setitem__, dict.keys(), dict.values())
-
-	def append_from_plist(self, plist):
-		for pair in plist:
-			if len(pair) != 2:
-				raise Exception("invalid pairs list")
-		for (k, v) in plist:
-			self.__setitem__(k, v)
-
-	def __delitem__(self, key):
-		if not key in self._keys:
-			raise KeyError(key)
-		dict.__delitem__(self, key)
-		self._keys.remove(key)
-
-	def __setitem__(self, key, item):
-		dict.__setitem__(self, key, item)
-		if key not in self._keys:
-			self._keys.append(key)
-
-	def clear(self):
-		dict.clear(self)
-		self._keys = []
-
-	def copy(self):
-		return Odict(self.plist())
-
-	def items(self):
-		return zip(self._keys, self.values())
-
-	def keys(self):
-		return list(self._keys) # return a copy of the list
-
-	def values(self):
-		return map(self.get, self._keys)
-
-	def plist(self):
-		p = []
-		for k, v in self.items():
-			p.append( (k, v) )
-		return p
-
-	def __str__(self):
-		buf = []
-		buf.append("{ ")
-		for k, v in self.items():
-			buf.append('%r : %r, ' % (k, v))
-		buf.append("}")
-		return ''.join(buf)
-
-review_options = Odict()
-"""
-Ordered dictionary mapping configuration option names to their optparse option.
-"""
-
-review_defaults = {}
-"""
-Dictionary mapping configuration option names to their default value.
-"""
-
-old_review_set = None
-"""
-Review set containing the configuration values before parsing the command line.
-"""
-
-new_review_set = None
-"""
-Review set containing the configuration values after parsing the command line.
-"""
-
-class OptionsReview(Options.OptionsContext):
-	def __init__(self, **kw):
-		super(self.__class__, self).__init__(**kw)
-
-	def prepare_config_review(self):
-		"""
-		Find the configuration options that are reviewable, detach
-		their default value from their optparse object and store them
-		into the review dictionaries.
-		"""
-		gr = self.get_option_group('configure options')
-		for opt in gr.option_list:
-			if opt.action != 'store' or opt.dest in ("out", "top"):
-				continue
-			review_options[opt.dest] = opt
-			review_defaults[opt.dest] = opt.default
-			if gr.defaults.has_key(opt.dest):
-				del gr.defaults[opt.dest]
-			opt.default = None
-
-	def parse_args(self):
-		self.prepare_config_review()
-		self.parser.get_option('--prefix').help = 'installation prefix'
-		super(OptionsReview, self).parse_args()
-		Context.create_context('review').refresh_review_set()
-
-class ReviewContext(Context.Context):
-	'''reviews the configuration values'''
-
-	cmd = 'review'
-
-	def __init__(self, **kw):
-		super(self.__class__, self).__init__(**kw)
-
-		out = Options.options.out
-		if not out:
-			out = getattr(Context.g_module, Context.OUT, None)
-		if not out:
-			out = Options.lockfile.replace('.lock-waf', '')
-		self.build_path = (os.path.isabs(out) and self.root or self.path).make_node(out).abspath()
-		"""Path to the build directory"""
-
-		self.cache_path = os.path.join(self.build_path, Build.CACHE_DIR)
-		"""Path to the cache directory"""
-
-		self.review_path = os.path.join(self.cache_path, 'review.cache')
-		"""Path to the review cache file"""
-
-	def execute(self):
-		"""
-		Display and store the review set. Invalidate the cache as required.
-		"""
-		if not self.compare_review_set(old_review_set, new_review_set):
-			self.invalidate_cache()
-		self.store_review_set(new_review_set)
-		print(self.display_review_set(new_review_set))
-
-	def invalidate_cache(self):
-		"""Invalidate the cache to prevent bad builds."""
-		try:
-			Logs.warn("Removing the cached configuration since the options have changed")
-			shutil.rmtree(self.cache_path)
-		except:
-			pass
-
-	def refresh_review_set(self):
-		"""
-		Obtain the old review set and the new review set, and import the new set.
-		"""
-		global old_review_set, new_review_set
-		old_review_set = self.load_review_set()
-		new_review_set = self.update_review_set(old_review_set)
-		self.import_review_set(new_review_set)
-
-	def load_review_set(self):
-		"""
-		Load and return the review set from the cache if it exists.
-		Otherwise, return an empty set.
-		"""
-		if os.path.isfile(self.review_path):
-			return ConfigSet.ConfigSet(self.review_path)
-		return ConfigSet.ConfigSet()
-
-	def store_review_set(self, review_set):
-		"""
-		Store the review set specified in the cache.
-		"""
-		if not os.path.isdir(self.cache_path):
-			os.makedirs(self.cache_path)
-		review_set.store(self.review_path)
-
-	def update_review_set(self, old_set):
-		"""
-		Merge the options passed on the command line with those imported
-		from the previous review set and return the corresponding
-		preview set.
-		"""
-
-		# Convert value to string. It's important that 'None' maps to
-		# the empty string.
-		def val_to_str(val):
-			if val == None or val == '':
-				return ''
-			return str(val)
-
-		new_set = ConfigSet.ConfigSet()
-		opt_dict = Options.options.__dict__
-
-		for name in review_options.keys():
-			# the option is specified explicitly on the command line
-			if name in opt_dict:
-				# if the option is the default, pretend it was never specified
-				if val_to_str(opt_dict[name]) != val_to_str(review_defaults[name]):
-					new_set[name] = opt_dict[name]
-			# the option was explicitly specified in a previous command
-			elif name in old_set:
-				new_set[name] = old_set[name]
-
-		return new_set
-
-	def import_review_set(self, review_set):
-		"""
-		Import the actual value of the reviewable options in the option
-		dictionary, given the current review set.
-		"""
-		for name in review_options.keys():
-			if name in review_set:
-				value = review_set[name]
-			else:
-				value = review_defaults[name]
-			setattr(Options.options, name, value)
-
-	def compare_review_set(self, set1, set2):
-		"""
-		Return true if the review sets specified are equal.
-		"""
-		if len(set1.keys()) != len(set2.keys()):
-			return False
-		for key in set1.keys():
-			if not key in set2 or set1[key] != set2[key]:
-				return False
-		return True
-
-	def display_review_set(self, review_set):
-		"""
-		Return the string representing the review set specified.
-		"""
-		term_width = Logs.get_term_cols()
-		lines = []
-		for dest in review_options.keys():
-			opt = review_options[dest]
-			name = ", ".join(opt._short_opts + opt._long_opts)
-			help = opt.help
-			actual = None
-			if dest in review_set:
-				actual = review_set[dest]
-			default = review_defaults[dest]
-			lines.append(self.format_option(name, help, actual, default, term_width))
-		return "Configuration:\n\n" + "\n\n".join(lines) + "\n"
-
-	def format_option(self, name, help, actual, default, term_width):
-		"""
-		Return the string representing the option specified.
-		"""
-		def val_to_str(val):
-			if val == None or val == '':
-				return "(void)"
-			return str(val)
-
-		max_name_len = 20
-		sep_len = 2
-
-		w = textwrap.TextWrapper()
-		w.width = term_width - 1
-		if w.width < 60:
-			w.width = 60
-
-		out = ""
-
-		# format the help
-		out += w.fill(help) + "\n"
-
-		# format the name
-		name_len = len(name)
-		out += Logs.colors.CYAN + name + Logs.colors.NORMAL
-
-		# set the indentation used when the value wraps to the next line
-		w.subsequent_indent = " ".rjust(max_name_len + sep_len)
-		w.width -= (max_name_len + sep_len)
-
-		# the name string is too long, switch to the next line
-		if name_len > max_name_len:
-			out += "\n" + w.subsequent_indent
-
-		# fill the remaining of the line with spaces
-		else:
-			out += " ".rjust(max_name_len + sep_len - name_len)
-
-		# format the actual value, if there is one
-		if actual != None:
-			out += Logs.colors.BOLD + w.fill(val_to_str(actual)) + Logs.colors.NORMAL + "\n" + w.subsequent_indent
-
-		# format the default value
-		default_fmt = val_to_str(default)
-		if actual != None:
-			default_fmt = "default: " + default_fmt
-		out += Logs.colors.NORMAL + w.fill(default_fmt) + Logs.colors.NORMAL
-
-		return out
-
-# Monkey-patch ConfigurationContext.execute() to have it store the review set.
-old_configure_execute = Configure.ConfigurationContext.execute
-def new_configure_execute(self):
-	old_configure_execute(self)
-	Context.create_context('review').store_review_set(new_review_set)
-Configure.ConfigurationContext.execute = new_configure_execute
-
diff --git a/waflib/extras/rst.py b/waflib/extras/rst.py
deleted file mode 100644
index f3c3a5eb..00000000
--- a/waflib/extras/rst.py
+++ /dev/null
@@ -1,260 +0,0 @@
-#!/usr/bin/env python
-# encoding: utf-8
-# Jérôme Carretero, 2013 (zougloub)
-
-"""
-reStructuredText support (experimental)
-
-Example::
-
-	def configure(conf):
-		conf.load('rst')
-		if not conf.env.RST2HTML:
-			conf.fatal('The program rst2html is required')
-
-	def build(bld):
-		bld(
-		 features = 'rst',
-		 type     = 'rst2html', # rst2html, rst2pdf, ...
-		 source   = 'index.rst', # mandatory, the source
-		 deps     = 'image.png', # to give additional non-trivial dependencies
-		)
-
-By default the tool looks for a set of programs in PATH.
-The tools are defined in `rst_progs`.
-To configure with a special program use::
-
-	$ RST2HTML=/path/to/rst2html waf configure
-
-This tool is experimental; don't hesitate to contribute to it.
-
-"""
-
-import re
-from waflib import Node, Utils, Task, Errors, Logs
-from waflib.TaskGen import feature, before_method
-
-rst_progs = "rst2html rst2xetex rst2latex rst2xml rst2pdf rst2s5 rst2man rst2odt rst2rtf".split()
-
-def parse_rst_node(task, node, nodes, names, seen, dirs=None):
-	# TODO add extensibility, to handle custom rst include tags...
-	if dirs is None:
-		dirs = (node.parent,node.get_bld().parent)
-
-	if node in seen:
-		return
-	seen.append(node)
-	code = node.read()
-	re_rst = re.compile(r'^\s*.. ((?P<subst>\|\S+\|) )?(?P<type>include|image|figure):: (?P<file>.*)$', re.M)
-	for match in re_rst.finditer(code):
-		ipath = match.group('file')
-		itype = match.group('type')
-		Logs.debug('rst: visiting %s: %s', itype, ipath)
-		found = False
-		for d in dirs:
-			Logs.debug('rst: looking for %s in %s', ipath, d.abspath())
-			found = d.find_node(ipath)
-			if found:
-				Logs.debug('rst: found %s as %s', ipath, found.abspath())
-				nodes.append((itype, found))
-				if itype == 'include':
-					parse_rst_node(task, found, nodes, names, seen)
-				break
-		if not found:
-			names.append((itype, ipath))
-
-class docutils(Task.Task):
-	"""
-	Compile a rst file.
-	"""
-
-	def scan(self):
-		"""
-		A recursive regex-based scanner that finds rst dependencies.
-		"""
-
-		nodes = []
-		names = []
-		seen = []
-
-		node = self.inputs[0]
-
-		if not node:
-			return (nodes, names)
-
-		parse_rst_node(self, node, nodes, names, seen)
-
-		Logs.debug('rst: %r: found the following file deps: %r', self, nodes)
-		if names:
-			Logs.warn('rst: %r: could not find the following file deps: %r', self, names)
-
-		return ([v for (t,v) in nodes], [v for (t,v) in names])
-
-	def check_status(self, msg, retcode):
-		"""
-		Check an exit status and raise an error with a particular message
-
-		:param msg: message to display if the code is non-zero
-		:type msg: string
-		:param retcode: condition
-		:type retcode: boolean
-		"""
-		if retcode != 0:
-			raise Errors.WafError('%r command exit status %r' % (msg, retcode))
-
-	def run(self):
-		"""
-		Runs the rst compilation using docutils
-		"""
-		raise NotImplementedError()
-
-class rst2html(docutils):
-	color = 'BLUE'
-
-	def __init__(self, *args, **kw):
-		docutils.__init__(self, *args, **kw)
-		self.command = self.generator.env.RST2HTML
-		self.attributes = ['stylesheet']
-
-	def scan(self):
-		nodes, names = docutils.scan(self)
-
-		for attribute in self.attributes:
-			stylesheet = getattr(self.generator, attribute, None)
-			if stylesheet is not None:
-				ssnode = self.generator.to_nodes(stylesheet)[0]
-				nodes.append(ssnode)
-				Logs.debug('rst: adding dep to %s %s', attribute, stylesheet)
-
-		return nodes, names
-
-	def run(self):
-		cwdn = self.outputs[0].parent
-		src = self.inputs[0].path_from(cwdn)
-		dst = self.outputs[0].path_from(cwdn)
-
-		cmd = self.command + [src, dst]
-		cmd += Utils.to_list(getattr(self.generator, 'options', []))
-		for attribute in self.attributes:
-			stylesheet = getattr(self.generator, attribute, None)
-			if stylesheet is not None:
-				stylesheet = self.generator.to_nodes(stylesheet)[0]
-				cmd += ['--%s' % attribute, stylesheet.path_from(cwdn)]
-
-		return self.exec_command(cmd, cwd=cwdn.abspath())
-
-class rst2s5(rst2html):
-	def __init__(self, *args, **kw):
-		rst2html.__init__(self, *args, **kw)
-		self.command = self.generator.env.RST2S5
-		self.attributes = ['stylesheet']
-
-class rst2latex(rst2html):
-	def __init__(self, *args, **kw):
-		rst2html.__init__(self, *args, **kw)
-		self.command = self.generator.env.RST2LATEX
-		self.attributes = ['stylesheet']
-
-class rst2xetex(rst2html):
-	def __init__(self, *args, **kw):
-		rst2html.__init__(self, *args, **kw)
-		self.command = self.generator.env.RST2XETEX
-		self.attributes = ['stylesheet']
-
-class rst2pdf(docutils):
-	color = 'BLUE'
-	def run(self):
-		cwdn = self.outputs[0].parent
-		src = self.inputs[0].path_from(cwdn)
-		dst = self.outputs[0].path_from(cwdn)
-
-		cmd = self.generator.env.RST2PDF + [src, '-o', dst]
-		cmd += Utils.to_list(getattr(self.generator, 'options', []))
-
-		return self.exec_command(cmd, cwd=cwdn.abspath())
-
-
-@feature('rst')
-@before_method('process_source')
-def apply_rst(self):
-	"""
-	Create :py:class:`rst` or other rst-related task objects
-	"""
-
-	if self.target:
-		if isinstance(self.target, Node.Node):
-			tgt = self.target
-		elif isinstance(self.target, str):
-			tgt = self.path.get_bld().make_node(self.target)
-		else:
-			self.bld.fatal("rst: Don't know how to build target name %s which is not a string or Node for %s" % (self.target, self))
-	else:
-		tgt = None
-
-	tsk_type = getattr(self, 'type', None)
-
-	src = self.to_nodes(self.source)
-	assert len(src) == 1
-	src = src[0]
-
-	if tsk_type is not None and tgt is None:
-		if tsk_type.startswith('rst2'):
-			ext = tsk_type[4:]
-		else:
-			self.bld.fatal("rst: Could not detect the output file extension for %s" % self)
-		tgt = src.change_ext('.%s' % ext)
-	elif tsk_type is None and tgt is not None:
-		out = tgt.name
-		ext = out[out.rfind('.')+1:]
-		self.type = 'rst2' + ext
-	elif tsk_type is not None and tgt is not None:
-		# the user knows what he wants
-		pass
-	else:
-		self.bld.fatal("rst: Need to indicate task type or target name for %s" % self)
-
-	deps_lst = []
-
-	if getattr(self, 'deps', None):
-		deps = self.to_list(self.deps)
-		for filename in deps:
-			n = self.path.find_resource(filename)
-			if not n:
-				self.bld.fatal('Could not find %r for %r' % (filename, self))
-			if not n in deps_lst:
-				deps_lst.append(n)
-
-	try:
-		task = self.create_task(self.type, src, tgt)
-	except KeyError:
-		self.bld.fatal("rst: Task of type %s not implemented (created by %s)" % (self.type, self))
-
-	task.env = self.env
-
-	# add the manual dependencies
-	if deps_lst:
-		try:
-			lst = self.bld.node_deps[task.uid()]
-			for n in deps_lst:
-				if not n in lst:
-					lst.append(n)
-		except KeyError:
-			self.bld.node_deps[task.uid()] = deps_lst
-
-	inst_to = getattr(self, 'install_path', None)
-	if inst_to:
-		self.install_task = self.add_install_files(install_to=inst_to, install_from=task.outputs[:])
-
-	self.source = []
-
-def configure(self):
-	"""
-	Try to find the rst programs.
-
-	Do not raise any error if they are not found.
-	You'll have to use additional code in configure() to die
-	if programs were not found.
-	"""
-	for p in rst_progs:
-		self.find_program(p, mandatory=False)
-
diff --git a/waflib/extras/run_do_script.py b/waflib/extras/run_do_script.py
deleted file mode 100644
index 07e3aa25..00000000
--- a/waflib/extras/run_do_script.py
+++ /dev/null
@@ -1,139 +0,0 @@
-#!/usr/bin/env python
-# encoding: utf-8
-# Hans-Martin von Gaudecker, 2012
-
-"""
-Run a Stata do-script in the directory specified by **ctx.bldnode**. The
-first and only argument will be the name of the do-script (no extension),
-which can be accessed inside the do-script by the local macro `1'. Useful
-for keeping a log file.
-
-The tool uses the log file that is automatically kept by Stata only 
-for error-catching purposes, it will be destroyed if the task finished
-without error. In case of an error in **some_script.do**, you can inspect
-it as **some_script.log** in the **ctx.bldnode** directory.
-
-Note that Stata will not return an error code if it exits abnormally -- 
-catching errors relies on parsing the log file mentioned before. Should
-the parser behave incorrectly please send an email to hmgaudecker [at] gmail.
-
-**WARNING**
-
-    The tool will not work if multiple do-scripts of the same name---but in
-    different directories---are run at the same time! Avoid this situation.
-
-Usage::
-
-    ctx(features='run_do_script', 
-        source='some_script.do',
-        target=['some_table.tex', 'some_figure.eps'],
-        deps='some_data.csv')
-"""
-
-
-import os, re, sys
-from waflib import Task, TaskGen, Logs
-
-if sys.platform == 'darwin':
-	STATA_COMMANDS = ['Stata64MP', 'StataMP',
-								'Stata64SE', 'StataSE', 
-								'Stata64', 'Stata']
-	STATAFLAGS = '-e -q do'
-	STATAENCODING = 'MacRoman'
-elif sys.platform.startswith('linux'):
-	STATA_COMMANDS = ['stata-mp', 'stata-se', 'stata']
-	STATAFLAGS = '-b -q do'
-	# Not sure whether this is correct...
-	STATAENCODING = 'Latin-1'
-elif sys.platform.lower().startswith('win'):
-	STATA_COMMANDS = ['StataMP-64', 'StataMP-ia',
-								'StataMP', 'StataSE-64',
-								'StataSE-ia', 'StataSE',
-								'Stata-64', 'Stata-ia',
-								'Stata.e', 'WMPSTATA',
-								'WSESTATA', 'WSTATA']
-	STATAFLAGS = '/e do'
-	STATAENCODING = 'Latin-1'
-else:
-	raise Exception("Unknown sys.platform: %s " % sys.platform)
-
-def configure(ctx):
-	ctx.find_program(STATA_COMMANDS, var='STATACMD', errmsg="""\n
-No Stata executable found!\n\n
-If Stata is needed:\n
-	1) Check the settings of your system path.
-	2) Note we are looking for Stata executables called: %s
-	   If yours has a different name, please report to hmgaudecker [at] gmail\n
-Else:\n
-	Do not load the 'run_do_script' tool in the main wscript.\n\n""" % STATA_COMMANDS)
-	ctx.env.STATAFLAGS = STATAFLAGS
-	ctx.env.STATAENCODING = STATAENCODING
-
-class run_do_script_base(Task.Task):
-	"""Run a Stata do-script from the bldnode directory."""
-	run_str = '"${STATACMD}" ${STATAFLAGS} "${SRC[0].abspath()}" "${DOFILETRUNK}"'
-	shell = True
-
-class run_do_script(run_do_script_base):
-	"""Use the log file automatically kept by Stata for error-catching.
-	Erase it if the task finished without error. If not, it will show 
-	up as do_script.log in the bldnode directory.
-	"""
-	def run(self):
-		run_do_script_base.run(self)
-		ret, log_tail  = self.check_erase_log_file()
-		if ret:
-			Logs.error("""Running Stata on %r failed with code %r.\n\nCheck the log file %s, last 10 lines\n\n%s\n\n\n""",
-				self.inputs[0], ret, self.env.LOGFILEPATH, log_tail)
-		return ret
-
-	def check_erase_log_file(self):
-		"""Parse Stata's default log file and erase it if everything okay.
-
-		Parser is based on Brendan Halpin's shell script found here:
-			http://teaching.sociology.ul.ie/bhalpin/wordpress/?p=122
-		"""
-
-		if sys.version_info.major >= 3:
-			kwargs = {'file': self.env.LOGFILEPATH, 'mode': 'r', 'encoding': self.env.STATAENCODING}
-		else:
-			kwargs = {'name': self.env.LOGFILEPATH, 'mode': 'r'}
-		with open(**kwargs) as log:
-			log_tail = log.readlines()[-10:]
-			for line in log_tail:
-				error_found = re.match(r"r\(([0-9]+)\)", line)
-				if error_found:
-					return error_found.group(1), ''.join(log_tail)
-				else:
-					pass
-		# Only end up here if the parser did not identify an error.
-		os.remove(self.env.LOGFILEPATH)
-		return None, None
-
-
-@TaskGen.feature('run_do_script')
-@TaskGen.before_method('process_source')
-def apply_run_do_script(tg):
-	"""Task generator customising the options etc. to call Stata in batch
-	mode for running a do-script.
-	"""
-
-	# Convert sources and targets to nodes
-	src_node = tg.path.find_resource(tg.source)
-	tgt_nodes = [tg.path.find_or_declare(t) for t in tg.to_list(tg.target)]
-
-	tsk = tg.create_task('run_do_script', src=src_node, tgt=tgt_nodes)
-	tsk.env.DOFILETRUNK = os.path.splitext(src_node.name)[0]
-	tsk.env.LOGFILEPATH = os.path.join(tg.bld.bldnode.abspath(), '%s.log' % (tsk.env.DOFILETRUNK))
-
-	# dependencies (if the attribute 'deps' changes, trigger a recompilation)
-	for x in tg.to_list(getattr(tg, 'deps', [])):
-		node = tg.path.find_resource(x)
-		if not node:
-			tg.bld.fatal('Could not find dependency %r for running %r' % (x, src_node.abspath()))
-		tsk.dep_nodes.append(node)
-	Logs.debug('deps: found dependencies %r for running %r', tsk.dep_nodes, src_node.abspath())
-
-	# Bypass the execution of process_source by setting the source to an empty list
-	tg.source = []
-
diff --git a/waflib/extras/run_m_script.py b/waflib/extras/run_m_script.py
deleted file mode 100644
index b5f27ebe..00000000
--- a/waflib/extras/run_m_script.py
+++ /dev/null
@@ -1,88 +0,0 @@
-#!/usr/bin/env python
-# encoding: utf-8
-# Hans-Martin von Gaudecker, 2012
-
-"""
-Run a Matlab script.
-
-Note that the script is run in the directory where it lives -- Matlab won't
-allow it any other way.
-
-For error-catching purposes, keep an own log-file that is destroyed if the
-task finished without error. If not, it will show up as mscript_[index].log 
-in the bldnode directory.
-
-Usage::
-
-    ctx(features='run_m_script', 
-        source='some_script.m',
-        target=['some_table.tex', 'some_figure.eps'],
-        deps='some_data.mat')
-"""
-
-import os, sys
-from waflib import Task, TaskGen, Logs
-
-MATLAB_COMMANDS = ['matlab']
-
-def configure(ctx):
-	ctx.find_program(MATLAB_COMMANDS, var='MATLABCMD', errmsg = """\n
-No Matlab executable found!\n\n
-If Matlab is needed:\n
-    1) Check the settings of your system path.
-    2) Note we are looking for Matlab executables called: %s
-       If yours has a different name, please report to hmgaudecker [at] gmail\n
-Else:\n
-    Do not load the 'run_m_script' tool in the main wscript.\n\n"""  % MATLAB_COMMANDS)
-	ctx.env.MATLABFLAGS = '-wait -nojvm -nosplash -minimize'
-
-class run_m_script_base(Task.Task):
-	"""Run a Matlab script."""
-	run_str = '"${MATLABCMD}" ${MATLABFLAGS} -logfile "${LOGFILEPATH}" -r "try, ${MSCRIPTTRUNK}, exit(0), catch err, disp(err.getReport()), exit(1), end"'
-	shell = True
-
-class run_m_script(run_m_script_base):
-	"""Erase the Matlab overall log file if everything went okay, else raise an
-	error and print its 10 last lines.
-	"""
-	def run(self):
-		ret = run_m_script_base.run(self)
-		logfile = self.env.LOGFILEPATH
-		if ret:
-			mode = 'r'
-			if sys.version_info.major >= 3:
-				mode = 'rb'
-			with open(logfile, mode=mode) as f:
-				tail = f.readlines()[-10:]
-			Logs.error("""Running Matlab on %r returned the error %r\n\nCheck the log file %s, last 10 lines\n\n%s\n\n\n""",
-				self.inputs[0], ret, logfile, '\n'.join(tail))
-		else:
-			os.remove(logfile)
-		return ret
-
-@TaskGen.feature('run_m_script')
-@TaskGen.before_method('process_source')
-def apply_run_m_script(tg):
-	"""Task generator customising the options etc. to call Matlab in batch
-	mode for running a m-script.
-	"""
-
-	# Convert sources and targets to nodes 
-	src_node = tg.path.find_resource(tg.source)
-	tgt_nodes = [tg.path.find_or_declare(t) for t in tg.to_list(tg.target)]
-
-	tsk = tg.create_task('run_m_script', src=src_node, tgt=tgt_nodes)
-	tsk.cwd = src_node.parent.abspath()
-	tsk.env.MSCRIPTTRUNK = os.path.splitext(src_node.name)[0]
-	tsk.env.LOGFILEPATH = os.path.join(tg.bld.bldnode.abspath(), '%s_%d.log' % (tsk.env.MSCRIPTTRUNK, tg.idx))
-
-	# dependencies (if the attribute 'deps' changes, trigger a recompilation)
-	for x in tg.to_list(getattr(tg, 'deps', [])):
-		node = tg.path.find_resource(x)
-		if not node:
-			tg.bld.fatal('Could not find dependency %r for running %r' % (x, src_node.abspath()))
-		tsk.dep_nodes.append(node)
-	Logs.debug('deps: found dependencies %r for running %r', tsk.dep_nodes, src_node.abspath())
-
-	# Bypass the execution of process_source by setting the source to an empty list
-	tg.source = []
diff --git a/waflib/extras/run_py_script.py b/waflib/extras/run_py_script.py
deleted file mode 100644
index 36703811..00000000
--- a/waflib/extras/run_py_script.py
+++ /dev/null
@@ -1,104 +0,0 @@
-#!/usr/bin/env python
-# encoding: utf-8
-# Hans-Martin von Gaudecker, 2012
-
-"""
-Run a Python script in the directory specified by **ctx.bldnode**.
-
-Select a Python version by specifying the **version** keyword for
-the task generator instance as integer 2 or 3. Default is 3.
-
-If the build environment has an attribute "PROJECT_PATHS" with
-a key "PROJECT_ROOT", its value will be appended to the PYTHONPATH.
-Same a string passed to the optional **add_to_pythonpath**
-keyword (appended after the PROJECT_ROOT).
-
-Usage::
-
-    ctx(features='run_py_script', version=3,
-        source='some_script.py',
-        target=['some_table.tex', 'some_figure.eps'],
-        deps='some_data.csv',
-        add_to_pythonpath='src/some/library')
-"""
-
-import os, re
-from waflib import Task, TaskGen, Logs
-
-
-def configure(conf):
-	"""TODO: Might need to be updated for Windows once
-	"PEP 397":http://www.python.org/dev/peps/pep-0397/ is settled.
-	"""
-	conf.find_program('python', var='PY2CMD', mandatory=False)
-	conf.find_program('python3', var='PY3CMD', mandatory=False)
-	if not conf.env.PY2CMD and not conf.env.PY3CMD:
-		conf.fatal("No Python interpreter found!")
-
-class run_py_2_script(Task.Task):
-	"""Run a Python 2 script."""
-	run_str = '${PY2CMD} ${SRC[0].abspath()}'
-	shell=True
-
-class run_py_3_script(Task.Task):
-	"""Run a Python 3 script."""
-	run_str = '${PY3CMD} ${SRC[0].abspath()}'
-	shell=True
-
-@TaskGen.feature('run_py_script')
-@TaskGen.before_method('process_source')
-def apply_run_py_script(tg):
-	"""Task generator for running either Python 2 or Python 3 on a single
-	script.
-
-	Attributes:
-
-		* source -- A **single** source node or string. (required)
-		* target -- A single target or list of targets (nodes or strings)
-		* deps -- A single dependency or list of dependencies (nodes or strings)
-		* add_to_pythonpath -- A string that will be appended to the PYTHONPATH environment variable
-
-	If the build environment has an attribute "PROJECT_PATHS" with
-	a key "PROJECT_ROOT", its value will be appended to the PYTHONPATH.
-	"""
-
-	# Set the Python version to use, default to 3.
-	v = getattr(tg, 'version', 3)
-	if v not in (2, 3):
-		raise ValueError("Specify the 'version' attribute for run_py_script task generator as integer 2 or 3.\n Got: %s" %v)
-
-	# Convert sources and targets to nodes
-	src_node = tg.path.find_resource(tg.source)
-	tgt_nodes = [tg.path.find_or_declare(t) for t in tg.to_list(tg.target)]
-
-	# Create the task.
-	tsk = tg.create_task('run_py_%d_script' %v, src=src_node, tgt=tgt_nodes)
-
-	# custom execution environment
-	# TODO use a list and  os.sep.join(lst) at the end instead of concatenating strings
-	tsk.env.env = dict(os.environ)
-	tsk.env.env['PYTHONPATH'] = tsk.env.env.get('PYTHONPATH', '')
-	project_paths = getattr(tsk.env, 'PROJECT_PATHS', None)
-	if project_paths and 'PROJECT_ROOT' in project_paths:
-		tsk.env.env['PYTHONPATH'] += os.pathsep + project_paths['PROJECT_ROOT'].abspath()
-	if getattr(tg, 'add_to_pythonpath', None):
-		tsk.env.env['PYTHONPATH'] += os.pathsep + tg.add_to_pythonpath
-
-	# Clean up the PYTHONPATH -- replace double occurrences of path separator
-	tsk.env.env['PYTHONPATH'] = re.sub(os.pathsep + '+', os.pathsep, tsk.env.env['PYTHONPATH'])
-
-	# Clean up the PYTHONPATH -- doesn't like starting with path separator
-	if tsk.env.env['PYTHONPATH'].startswith(os.pathsep):
-		 tsk.env.env['PYTHONPATH'] = tsk.env.env['PYTHONPATH'][1:]
-
-	# dependencies (if the attribute 'deps' changes, trigger a recompilation)
-	for x in tg.to_list(getattr(tg, 'deps', [])):
-		node = tg.path.find_resource(x)
-		if not node:
-			tg.bld.fatal('Could not find dependency %r for running %r' % (x, src_node.abspath()))
-		tsk.dep_nodes.append(node)
-	Logs.debug('deps: found dependencies %r for running %r', tsk.dep_nodes, src_node.abspath())
-
-	# Bypass the execution of process_source by setting the source to an empty list
-	tg.source = []
-
diff --git a/waflib/extras/run_r_script.py b/waflib/extras/run_r_script.py
deleted file mode 100644
index b0d8f2b2..00000000
--- a/waflib/extras/run_r_script.py
+++ /dev/null
@@ -1,86 +0,0 @@
-#!/usr/bin/env python
-# encoding: utf-8
-# Hans-Martin von Gaudecker, 2012
-
-"""
-Run a R script in the directory specified by **ctx.bldnode**.
-
-For error-catching purposes, keep an own log-file that is destroyed if the
-task finished without error. If not, it will show up as rscript_[index].log
-in the bldnode directory.
-
-Usage::
-
-    ctx(features='run_r_script',
-        source='some_script.r',
-        target=['some_table.tex', 'some_figure.eps'],
-        deps='some_data.csv')
-"""
-
-
-import os, sys
-from waflib import Task, TaskGen, Logs
-
-R_COMMANDS = ['RTerm', 'R', 'r']
-
-def configure(ctx):
-	ctx.find_program(R_COMMANDS, var='RCMD', errmsg = """\n
-No R executable found!\n\n
-If R is needed:\n
-	1) Check the settings of your system path.
-	2) Note we are looking for R executables called: %s
-	   If yours has a different name, please report to hmgaudecker [at] gmail\n
-Else:\n
-	Do not load the 'run_r_script' tool in the main wscript.\n\n"""  % R_COMMANDS)
-	ctx.env.RFLAGS = 'CMD BATCH --slave'
-
-class run_r_script_base(Task.Task):
-	"""Run a R script."""
-	run_str = '"${RCMD}" ${RFLAGS} "${SRC[0].abspath()}" "${LOGFILEPATH}"'
-	shell = True
-
-class run_r_script(run_r_script_base):
-	"""Erase the R overall log file if everything went okay, else raise an
-	error and print its 10 last lines.
-	"""
-	def run(self):
-		ret = run_r_script_base.run(self)
-		logfile = self.env.LOGFILEPATH
-		if ret:
-			mode = 'r'
-			if sys.version_info.major >= 3:
-				mode = 'rb'
-			with open(logfile, mode=mode) as f:
-				tail = f.readlines()[-10:]
-			Logs.error("""Running R on %r returned the error %r\n\nCheck the log file %s, last 10 lines\n\n%s\n\n\n""",
-				self.inputs[0], ret, logfile, '\n'.join(tail))
-		else:
-			os.remove(logfile)
-		return ret
-
-
-@TaskGen.feature('run_r_script')
-@TaskGen.before_method('process_source')
-def apply_run_r_script(tg):
-	"""Task generator customising the options etc. to call R in batch
-	mode for running a R script.
-	"""
-
-	# Convert sources and targets to nodes
-	src_node = tg.path.find_resource(tg.source)
-	tgt_nodes = [tg.path.find_or_declare(t) for t in tg.to_list(tg.target)]
-
-	tsk = tg.create_task('run_r_script', src=src_node, tgt=tgt_nodes)
-	tsk.env.LOGFILEPATH = os.path.join(tg.bld.bldnode.abspath(), '%s_%d.log' % (os.path.splitext(src_node.name)[0], tg.idx))
-
-	# dependencies (if the attribute 'deps' changes, trigger a recompilation)
-	for x in tg.to_list(getattr(tg, 'deps', [])):
-		node = tg.path.find_resource(x)
-		if not node:
-			tg.bld.fatal('Could not find dependency %r for running %r' % (x, src_node.abspath()))
-		tsk.dep_nodes.append(node)
-	Logs.debug('deps: found dependencies %r for running %r', tsk.dep_nodes, src_node.abspath())
-
-	# Bypass the execution of process_source by setting the source to an empty list
-	tg.source = []
-
diff --git a/waflib/extras/sas.py b/waflib/extras/sas.py
deleted file mode 100644
index 754c6148..00000000
--- a/waflib/extras/sas.py
+++ /dev/null
@@ -1,71 +0,0 @@
-#!/usr/bin/env python
-# encoding: utf-8
-# Mark Coggeshall, 2010
-
-"SAS support"
-
-import os
-from waflib import Task, Errors, Logs
-from waflib.TaskGen import feature, before_method
-
-sas_fun, _ = Task.compile_fun('sas -sysin ${SRCFILE} -log ${LOGFILE} -print ${LSTFILE}', shell=False)
-
-class sas(Task.Task):
-	vars = ['SAS', 'SASFLAGS']
-	def run(task):
-		command = 'SAS'
-		fun = sas_fun
-
-		node = task.inputs[0]
-		logfilenode = node.change_ext('.log')
-		lstfilenode = node.change_ext('.lst')
-
-		# set the cwd
-		task.cwd = task.inputs[0].parent.get_src().abspath()
-		Logs.debug('runner: %r on %r', command, node)
-
-		SASINPUTS = node.parent.get_bld().abspath() + os.pathsep + node.parent.get_src().abspath() + os.pathsep
-		task.env.env = {'SASINPUTS': SASINPUTS}
-
-		task.env.SRCFILE = node.abspath()
-		task.env.LOGFILE = logfilenode.abspath()
-		task.env.LSTFILE = lstfilenode.abspath()
-		ret = fun(task)
-		if ret:
-			Logs.error('Running %s on %r returned a non-zero exit', command, node)
-			Logs.error('SRCFILE = %r', node)
-			Logs.error('LOGFILE = %r', logfilenode)
-			Logs.error('LSTFILE = %r', lstfilenode)
-		return ret
-
-@feature('sas')
-@before_method('process_source')
-def apply_sas(self):
-	if not getattr(self, 'type', None) in ('sas',):
-		self.type = 'sas'
-
-	self.env['logdir'] = getattr(self, 'logdir', 'log')
-	self.env['lstdir'] = getattr(self, 'lstdir', 'lst')
-
-	deps_lst = []
-
-	if getattr(self, 'deps', None):
-		deps = self.to_list(self.deps)
-		for filename in deps:
-			n = self.path.find_resource(filename)
-			if not n:
-				n = self.bld.root.find_resource(filename)
-			if not n:
-				raise Errors.WafError('cannot find input file %s for processing' % filename)
-			if not n in deps_lst:
-				deps_lst.append(n)
-
-	for node in self.to_nodes(self.source):
-		if self.type == 'sas':
-			task = self.create_task('sas', src=node)
-		task.dep_nodes = deps_lst
-	self.source = []
-
-def configure(self):
-	self.find_program('sas', var='SAS', mandatory=False)
-
diff --git a/waflib/extras/satellite_assembly.py b/waflib/extras/satellite_assembly.py
deleted file mode 100644
index 005eb074..00000000
--- a/waflib/extras/satellite_assembly.py
+++ /dev/null
@@ -1,57 +0,0 @@
-#!/usr/bin/python
-# encoding: utf-8
-# vim: tabstop=4 noexpandtab
-
-"""
-Create a satellite assembly from "*.??.txt" files. ?? stands for a language code.
-
-The projects Resources subfolder contains resources.??.txt string files for several languages.
-The build folder will hold the satellite assemblies as ./??/ExeName.resources.dll
-
-#gen becomes template (It is called gen because it also uses resx.py).
-bld(source='Resources/resources.de.txt',gen=ExeName)
-"""
-
-import os, re
-from waflib import Task
-from waflib.TaskGen import feature,before_method
-
-class al(Task.Task):
-	run_str = '${AL} ${ALFLAGS}'
-
-@feature('satellite_assembly')
-@before_method('process_source')
-def satellite_assembly(self):
-	if not getattr(self, 'gen', None):
-		self.bld.fatal('satellite_assembly needs a template assembly provided with the "gen" parameter')
-	res_lang = re.compile(r'(.*)\.(\w\w)\.(?:resx|txt)',flags=re.I)
-
-	# self.source can contain node objects, so this will break in one way or another
-	self.source = self.to_list(self.source)
-	for i, x in enumerate(self.source):
-		#x = 'resources/resources.de.resx'
-		#x = 'resources/resources.de.txt'
-		mo = res_lang.match(x)
-		if mo:
-			template = os.path.splitext(self.gen)[0]
-			templatedir, templatename = os.path.split(template)
-			res = mo.group(1)
-			lang = mo.group(2)
-			#./Resources/resources.de.resources
-			resources = self.path.find_or_declare(res+ '.' + lang + '.resources')
-			self.create_task('resgen', self.to_nodes(x), [resources])
-			#./de/Exename.resources.dll
-			satellite = self.path.find_or_declare(os.path.join(templatedir,lang,templatename) + '.resources.dll')
-			tsk = self.create_task('al',[resources],[satellite])
-			tsk.env.append_value('ALFLAGS','/template:'+os.path.join(self.path.relpath(),self.gen))
-			tsk.env.append_value('ALFLAGS','/embed:'+resources.relpath())
-			tsk.env.append_value('ALFLAGS','/culture:'+lang)
-			tsk.env.append_value('ALFLAGS','/out:'+satellite.relpath())
-			self.source[i] = None
-	# remove the None elements that we just substituted
-	self.source = list(filter(lambda x:x, self.source))
-
-def configure(ctx):
-	ctx.find_program('al', var='AL', mandatory=True)
-	ctx.load('resx')
-
diff --git a/waflib/extras/scala.py b/waflib/extras/scala.py
deleted file mode 100644
index a9880f02..00000000
--- a/waflib/extras/scala.py
+++ /dev/null
@@ -1,128 +0,0 @@
-#!/usr/bin/env python
-# encoding: utf-8
-# Thomas Nagy, 2010 (ita)
-
-"""
-Scala support
-
-scalac outputs files a bit where it wants to
-"""
-
-import os
-from waflib import Task, Utils, Node
-from waflib.TaskGen import feature, before_method, after_method
-
-from waflib.Tools import ccroot
-ccroot.USELIB_VARS['scalac'] = set(['CLASSPATH', 'SCALACFLAGS'])
-
-from waflib.Tools import javaw
-
-@feature('scalac')
-@before_method('process_source')
-def apply_scalac(self):
-
-	Utils.def_attrs(self, jarname='', classpath='',
-		sourcepath='.', srcdir='.',
-		jar_mf_attributes={}, jar_mf_classpath=[])
-
-	outdir = getattr(self, 'outdir', None)
-	if outdir:
-		if not isinstance(outdir, Node.Node):
-			outdir = self.path.get_bld().make_node(self.outdir)
-	else:
-		outdir = self.path.get_bld()
-	outdir.mkdir()
-	self.env['OUTDIR'] = outdir.abspath()
-
-	self.scalac_task = tsk = self.create_task('scalac')
-	tmp = []
-
-	srcdir = getattr(self, 'srcdir', '')
-	if isinstance(srcdir, Node.Node):
-		srcdir = [srcdir]
-	for x in Utils.to_list(srcdir):
-		if isinstance(x, Node.Node):
-			y = x
-		else:
-			y = self.path.find_dir(x)
-			if not y:
-				self.bld.fatal('Could not find the folder %s from %s' % (x, self.path))
-		tmp.append(y)
-	tsk.srcdir = tmp
-
-# reuse some code
-feature('scalac')(javaw.use_javac_files)
-after_method('apply_scalac')(javaw.use_javac_files)
-
-feature('scalac')(javaw.set_classpath)
-after_method('apply_scalac', 'use_scalac_files')(javaw.set_classpath)
-
-
-SOURCE_RE = '**/*.scala'
-class scalac(javaw.javac):
-	color = 'GREEN'
-	vars    = ['CLASSPATH', 'SCALACFLAGS', 'SCALAC', 'OUTDIR']
-
-	def runnable_status(self):
-		"""
-		Wait for dependent tasks to be complete, then read the file system to find the input nodes.
-		"""
-		for t in self.run_after:
-			if not t.hasrun:
-				return Task.ASK_LATER
-
-		if not self.inputs:
-			global SOURCE_RE
-			self.inputs  = []
-			for x in self.srcdir:
-				self.inputs.extend(x.ant_glob(SOURCE_RE, remove=False))
-		return super(javaw.javac, self).runnable_status()
-
-	def run(self):
-		"""
-		Execute the scalac compiler
-		"""
-		env = self.env
-		gen = self.generator
-		bld = gen.bld
-		wd = bld.bldnode.abspath()
-		def to_list(xx):
-			if isinstance(xx, str):
-				return [xx]
-			return xx
-		self.last_cmd = lst = []
-		lst.extend(to_list(env['SCALAC']))
-		lst.extend(['-classpath'])
-		lst.extend(to_list(env['CLASSPATH']))
-		lst.extend(['-d'])
-		lst.extend(to_list(env['OUTDIR']))
-		lst.extend(to_list(env['SCALACFLAGS']))
-		lst.extend([a.abspath() for a in self.inputs])
-		lst = [x for x in lst if x]
-		try:
-			self.out = self.generator.bld.cmd_and_log(lst, cwd=wd, env=env.env or None, output=0, quiet=0)[1]
-		except:
-			self.generator.bld.cmd_and_log(lst, cwd=wd, env=env.env or None)
-
-def configure(self):
-	"""
-	Detect the scalac program
-	"""
-	# If SCALA_HOME is set, we prepend it to the path list
-	java_path = self.environ['PATH'].split(os.pathsep)
-	v = self.env
-
-	if 'SCALA_HOME' in self.environ:
-		java_path = [os.path.join(self.environ['SCALA_HOME'], 'bin')] + java_path
-		self.env['SCALA_HOME'] = [self.environ['SCALA_HOME']]
-
-	for x in 'scalac scala'.split():
-		self.find_program(x, var=x.upper(), path_list=java_path)
-
-	if 'CLASSPATH' in self.environ:
-		v['CLASSPATH'] = self.environ['CLASSPATH']
-
-	v.SCALACFLAGS = ['-verbose']
-	if not v['SCALAC']:
-		self.fatal('scalac is required for compiling scala classes')
-
diff --git a/waflib/extras/slow_qt4.py b/waflib/extras/slow_qt4.py
deleted file mode 100644
index ec7880bf..00000000
--- a/waflib/extras/slow_qt4.py
+++ /dev/null
@@ -1,96 +0,0 @@
-#! /usr/bin/env python
-# Thomas Nagy, 2011 (ita)
-
-"""
-Create _moc.cpp files
-
-The builds are 30-40% faster when .moc files are included,
-you should NOT use this tool. If you really
-really want it:
-
-def configure(conf):
-	conf.load('compiler_cxx qt4')
-	conf.load('slow_qt4')
-
-See playground/slow_qt/wscript for a complete example.
-"""
-
-from waflib.TaskGen import extension
-from waflib import Task
-import waflib.Tools.qt4
-import waflib.Tools.cxx
-
-@extension(*waflib.Tools.qt4.EXT_QT4)
-def cxx_hook(self, node):
-	return self.create_compiled_task('cxx_qt', node)
-
-class cxx_qt(Task.classes['cxx']):
-	def runnable_status(self):
-		ret = Task.classes['cxx'].runnable_status(self)
-		if ret != Task.ASK_LATER and not getattr(self, 'moc_done', None):
-
-			try:
-				cache = self.generator.moc_cache
-			except AttributeError:
-				cache = self.generator.moc_cache = {}
-
-			deps = self.generator.bld.node_deps[self.uid()]
-			for x in [self.inputs[0]] + deps:
-				if x.read().find('Q_OBJECT') > 0:
-
-					# process "foo.h -> foo.moc" only if "foo.cpp" is in the sources for the current task generator
-					# this code will work because it is in the main thread (runnable_status)
-					if x.name.rfind('.') > -1: # a .h file...
-						name = x.name[:x.name.rfind('.')]
-						for tsk in self.generator.compiled_tasks:
-							if tsk.inputs and tsk.inputs[0].name.startswith(name):
-								break
-						else:
-							# no corresponding file, continue
-							continue
-
-					# the file foo.cpp could be compiled for a static and a shared library - hence the %number in the name
-					cxx_node = x.parent.get_bld().make_node(x.name.replace('.', '_') + '_%d_moc.cpp' % self.generator.idx)
-					if cxx_node in cache:
-						continue
-					cache[cxx_node] = self
-
-					tsk = Task.classes['moc'](env=self.env, generator=self.generator)
-					tsk.set_inputs(x)
-					tsk.set_outputs(cxx_node)
-
-					if x.name.endswith('.cpp'):
-						# moc is trying to be too smart but it is too dumb:
-						# why forcing the #include when Q_OBJECT is in the cpp file?
-						gen = self.generator.bld.producer
-						gen.outstanding.append(tsk)
-						gen.total += 1
-						self.set_run_after(tsk)
-					else:
-						cxxtsk = Task.classes['cxx'](env=self.env, generator=self.generator)
-						cxxtsk.set_inputs(tsk.outputs)
-						cxxtsk.set_outputs(cxx_node.change_ext('.o'))
-						cxxtsk.set_run_after(tsk)
-
-						try:
-							self.more_tasks.extend([tsk, cxxtsk])
-						except AttributeError:
-							self.more_tasks = [tsk, cxxtsk]
-
-						try:
-							link = self.generator.link_task
-						except AttributeError:
-							pass
-						else:
-							link.set_run_after(cxxtsk)
-							link.inputs.extend(cxxtsk.outputs)
-							link.inputs.sort(key=lambda x: x.abspath())
-
-			self.moc_done = True
-
-		for t in self.run_after:
-			if not t.hasrun:
-				return Task.ASK_LATER
-
-		return ret
-
diff --git a/waflib/extras/softlink_libs.py b/waflib/extras/softlink_libs.py
deleted file mode 100644
index 50c777f2..00000000
--- a/waflib/extras/softlink_libs.py
+++ /dev/null
@@ -1,76 +0,0 @@
-#! /usr/bin/env python
-# per rosengren 2011
-
-from waflib.TaskGen import feature, after_method
-from waflib.Task import Task, always_run
-from os.path import basename, isabs
-from os import tmpfile, linesep
-
-def options(opt):
-	grp = opt.add_option_group('Softlink Libraries Options')
-	grp.add_option('--exclude', default='/usr/lib,/lib', help='No symbolic links are created for libs within [%default]')
-
-def configure(cnf):
-	cnf.find_program('ldd')
-	if not cnf.env.SOFTLINK_EXCLUDE:
-		cnf.env.SOFTLINK_EXCLUDE = cnf.options.exclude.split(',')
-
-@feature('softlink_libs')
-@after_method('process_rule')
-def add_finder(self):
-	tgt = self.path.find_or_declare(self.target)
-	self.create_task('sll_finder', tgt=tgt)
-	self.create_task('sll_installer', tgt=tgt)
-	always_run(sll_installer)
-
-class sll_finder(Task):
-	ext_out = 'softlink_libs'
-	def run(self):
-		bld = self.generator.bld
-		linked=[]
-		target_paths = []
-		for g in bld.groups:
-			for tgen in g:
-				# FIXME it might be better to check if there is a link_task (getattr?)
-				target_paths += [tgen.path.get_bld().bldpath()]
-				linked += [t.outputs[0].bldpath()
-					for t in getattr(tgen, 'tasks', [])
-					if t.__class__.__name__ in
-					['cprogram', 'cshlib', 'cxxprogram', 'cxxshlib']]
-		lib_list = []
-		if len(linked):
-			cmd = [self.env.LDD] + linked
-			# FIXME add DYLD_LIBRARY_PATH+PATH for osx+win32
-			ldd_env = {'LD_LIBRARY_PATH': ':'.join(target_paths + self.env.LIBPATH)}
-			# FIXME the with syntax will not work in python 2
-			with tmpfile() as result:
-				self.exec_command(cmd, env=ldd_env, stdout=result)
-				result.seek(0)
-				for line in result.readlines():
-					words = line.split()
-					if len(words) < 3 or words[1] != '=>':
-						continue
-					lib = words[2]
-					if lib == 'not':
-						continue
-					if any([lib.startswith(p) for p in
-							[bld.bldnode.abspath(), '('] +
-							self.env.SOFTLINK_EXCLUDE]):
-						continue
-					if not isabs(lib):
-						continue
-					lib_list.append(lib)
-			lib_list = sorted(set(lib_list))
-		self.outputs[0].write(linesep.join(lib_list + self.env.DYNAMIC_LIBS))
-		return 0
-
-class sll_installer(Task):
-	ext_in = 'softlink_libs'
-	def run(self):
-		tgt = self.outputs[0]
-		self.generator.bld.install_files('${LIBDIR}', tgt, postpone=False)
-		lib_list=tgt.read().split()
-		for lib in lib_list:
-			self.generator.bld.symlink_as('${LIBDIR}/'+basename(lib), lib, postpone=False)
-		return 0
-
diff --git a/waflib/extras/stale.py b/waflib/extras/stale.py
deleted file mode 100644
index cac3f469..00000000
--- a/waflib/extras/stale.py
+++ /dev/null
@@ -1,98 +0,0 @@
-#! /usr/bin/env python
-# encoding: UTF-8
-# Thomas Nagy, 2006-2015 (ita)
-
-"""
-Add a pre-build hook to remove build files (declared in the system)
-that do not have a corresponding target
-
-This can be used for example to remove the targets
-that have changed name without performing
-a full 'waf clean'
-
-Of course, it will only work if there are no dynamically generated
-nodes/tasks, in which case the method will have to be modified
-to exclude some folders for example.
-
-Make sure to set bld.post_mode = waflib.Build.POST_AT_ONCE
-"""
-
-from waflib import Logs, Build
-from waflib.Runner import Parallel
-
-DYNAMIC_EXT = [] # add your non-cleanable files/extensions here
-MOC_H_EXTS = '.cpp .cxx .hpp .hxx .h'.split()
-
-def can_delete(node):
-	"""Imperfect moc cleanup which does not look for a Q_OBJECT macro in the files"""
-	if not node.name.endswith('.moc'):
-		return True
-	base = node.name[:-4]
-	p1 = node.parent.get_src()
-	p2 = node.parent.get_bld()
-	for k in MOC_H_EXTS:
-		h_name = base + k
-		n = p1.search_node(h_name)
-		if n:
-			return False
-		n = p2.search_node(h_name)
-		if n:
-			return False
-
-		# foo.cpp.moc, foo.h.moc, etc.
-		if base.endswith(k):
-			return False
-
-	return True
-
-# recursion over the nodes to find the stale files
-def stale_rec(node, nodes):
-	if node.abspath() in node.ctx.env[Build.CFG_FILES]:
-		return
-
-	if getattr(node, 'children', []):
-		for x in node.children.values():
-			if x.name != "c4che":
-				stale_rec(x, nodes)
-	else:
-		for ext in DYNAMIC_EXT:
-			if node.name.endswith(ext):
-				break
-		else:
-			if not node in nodes:
-				if can_delete(node):
-					Logs.warn('Removing stale file -> %r', node)
-					node.delete()
-
-old = Parallel.refill_task_list
-def refill_task_list(self):
-	iit = old(self)
-	bld = self.bld
-
-	# execute this operation only once
-	if getattr(self, 'stale_done', False):
-		return iit
-	self.stale_done = True
-
-	# this does not work in partial builds
-	if bld.targets != '*':
-		return iit
-
-	# this does not work in dynamic builds
-	if getattr(bld, 'post_mode') == Build.POST_AT_ONCE:
-		return iit
-
-	# obtain the nodes to use during the build
-	nodes = []
-	for tasks in bld.groups:
-		for x in tasks:
-			try:
-				nodes.extend(x.outputs)
-			except AttributeError:
-				pass
-
-	stale_rec(bld.bldnode, nodes)
-	return iit
-
-Parallel.refill_task_list = refill_task_list
-
diff --git a/waflib/extras/stracedeps.py b/waflib/extras/stracedeps.py
deleted file mode 100644
index 37d82cbb..00000000
--- a/waflib/extras/stracedeps.py
+++ /dev/null
@@ -1,174 +0,0 @@
-#!/usr/bin/env python
-# encoding: utf-8
-# Thomas Nagy, 2015 (ita)
-
-"""
-Execute tasks through strace to obtain dependencies after the process is run. This
-scheme is similar to that of the Fabricate script.
-
-To use::
-
-  def configure(conf):
-     conf.load('strace')
-
-WARNING:
-* This will not work when advanced scanners are needed (qt4/qt5)
-* The overhead of running 'strace' is significant (56s -> 1m29s)
-* It will not work on Windows :-)
-"""
-
-import os, re, threading
-from waflib import Task, Logs, Utils
-
-#TRACECALLS = 'trace=access,chdir,clone,creat,execve,exit_group,fork,lstat,lstat64,mkdir,open,rename,stat,stat64,symlink,vfork'
-TRACECALLS = 'trace=process,file'
-
-BANNED = ('/tmp', '/proc', '/sys', '/dev')
-
-s_process = r'(?:clone|fork|vfork)\(.*?(?P<npid>\d+)'
-s_file = r'(?P<call>\w+)\("(?P<path>([^"\\]|\\.)*)"(.*)'
-re_lines = re.compile(r'^(?P<pid>\d+)\s+(?:(?:%s)|(?:%s))\r*$' % (s_file, s_process), re.IGNORECASE | re.MULTILINE)
-strace_lock = threading.Lock()
-
-def configure(conf):
-	conf.find_program('strace')
-
-def task_method(func):
-	# Decorator function to bind/replace methods on the base Task class
-	#
-	# The methods Task.exec_command and Task.sig_implicit_deps already exists and are rarely overridden
-	# we thus expect that we are the only ones doing this
-	try:
-		setattr(Task.Task, 'nostrace_%s' % func.__name__, getattr(Task.Task, func.__name__))
-	except AttributeError:
-		pass
-	setattr(Task.Task, func.__name__, func)
-	return func
-
-@task_method
-def get_strace_file(self):
-	try:
-		return self.strace_file
-	except AttributeError:
-		pass
-
-	if self.outputs:
-		ret = self.outputs[0].abspath() + '.strace'
-	else:
-		ret = '%s%s%d%s' % (self.generator.bld.bldnode.abspath(), os.sep, id(self), '.strace')
-	self.strace_file = ret
-	return ret
-
-@task_method
-def get_strace_args(self):
-	return (self.env.STRACE or ['strace']) + ['-e', TRACECALLS, '-f', '-o', self.get_strace_file()]
-
-@task_method
-def exec_command(self, cmd, **kw):
-	bld = self.generator.bld
-	if not 'cwd' in kw:
-		kw['cwd'] = self.get_cwd()
-
-	args = self.get_strace_args()
-	fname = self.get_strace_file()
-	if isinstance(cmd, list):
-		cmd = args + cmd
-	else:
-		cmd = '%s %s' % (' '.join(args), cmd)
-
-	try:
-		ret = bld.exec_command(cmd, **kw)
-	finally:
-		if not ret:
-			self.parse_strace_deps(fname, kw['cwd'])
-	return ret
-
-@task_method
-def sig_implicit_deps(self):
-	# bypass the scanner functions
-	return
-
-@task_method
-def parse_strace_deps(self, path, cwd):
-	# uncomment the following line to disable the dependencies and force a file scan
-	# return
-	try:
-		cnt = Utils.readf(path)
-	finally:
-		try:
-			os.remove(path)
-		except OSError:
-			pass
-
-	if not isinstance(cwd, str):
-		cwd = cwd.abspath()
-
-	nodes = []
-	bld = self.generator.bld
-	try:
-		cache = bld.strace_cache
-	except AttributeError:
-		cache = bld.strace_cache = {}
-
-	# chdir and relative paths
-	pid_to_cwd = {}
-
-	global BANNED
-	done = set()
-	for m in re.finditer(re_lines, cnt):
-		# scraping the output of strace
-		pid = m.group('pid')
-		if m.group('npid'):
-			npid = m.group('npid')
-			pid_to_cwd[npid] = pid_to_cwd.get(pid, cwd)
-			continue
-
-		p = m.group('path').replace('\\"', '"')
-
-		if p == '.' or m.group().find('= -1 ENOENT') > -1:
-			# just to speed it up a bit
-			continue
-
-		if not os.path.isabs(p):
-			p = os.path.join(pid_to_cwd.get(pid, cwd), p)
-
-		call = m.group('call')
-		if call == 'chdir':
-			pid_to_cwd[pid] = p
-			continue
-
-		if p in done:
-			continue
-		done.add(p)
-
-		for x in BANNED:
-			if p.startswith(x):
-				break
-		else:
-			if p.endswith('/') or os.path.isdir(p):
-				continue
-
-			try:
-				node = cache[p]
-			except KeyError:
-				strace_lock.acquire()
-				try:
-					cache[p] = node = bld.root.find_node(p)
-					if not node:
-						continue
-				finally:
-					strace_lock.release()
-			nodes.append(node)
-
-	# record the dependencies then force the task signature recalculation for next time
-	if Logs.verbose:
-		Logs.debug('deps: real scanner for %r returned %r', self, nodes)
-	bld = self.generator.bld
-	bld.node_deps[self.uid()] = nodes
-	bld.raw_deps[self.uid()] = []
-	try:
-		del self.cache_sig
-	except AttributeError:
-		pass
-	self.signature()
-
diff --git a/waflib/extras/swig.py b/waflib/extras/swig.py
deleted file mode 100644
index 740ab46d..00000000
--- a/waflib/extras/swig.py
+++ /dev/null
@@ -1,237 +0,0 @@
-#! /usr/bin/env python
-# encoding: UTF-8
-# Petar Forai
-# Thomas Nagy 2008-2010 (ita)
-
-import re
-from waflib import Task, Logs
-from waflib.TaskGen import extension, feature, after_method
-from waflib.Configure import conf
-from waflib.Tools import c_preproc
-
-"""
-tasks have to be added dynamically:
-- swig interface files may be created at runtime
-- the module name may be unknown in advance
-"""
-
-SWIG_EXTS = ['.swig', '.i']
-
-re_module = re.compile(r'%module(?:\s*\(.*\))?\s+(.+)', re.M)
-
-re_1 = re.compile(r'^%module.*?\s+([\w]+)\s*?$', re.M)
-re_2 = re.compile(r'[#%](?:include|import(?:\(module=".*"\))+|python(?:begin|code)) [<"](.*)[">]', re.M)
-
-class swig(Task.Task):
-	color   = 'BLUE'
-	run_str = '${SWIG} ${SWIGFLAGS} ${SWIGPATH_ST:INCPATHS} ${SWIGDEF_ST:DEFINES} ${SRC}'
-	ext_out = ['.h'] # might produce .h files although it is not mandatory
-	vars = ['SWIG_VERSION', 'SWIGDEPS']
-
-	def runnable_status(self):
-		for t in self.run_after:
-			if not t.hasrun:
-				return Task.ASK_LATER
-
-		if not getattr(self, 'init_outputs', None):
-			self.init_outputs = True
-			if not getattr(self, 'module', None):
-				# search the module name
-				txt = self.inputs[0].read()
-				m = re_module.search(txt)
-				if not m:
-					raise ValueError("could not find the swig module name")
-				self.module = m.group(1)
-
-			swig_c(self)
-
-			# add the language-specific output files as nodes
-			# call funs in the dict swig_langs
-			for x in self.env['SWIGFLAGS']:
-				# obtain the language
-				x = x[1:]
-				try:
-					fun = swig_langs[x]
-				except KeyError:
-					pass
-				else:
-					fun(self)
-
-		return super(swig, self).runnable_status()
-
-	def scan(self):
-		"scan for swig dependencies, climb the .i files"
-		lst_src = []
-
-		seen = []
-		missing = []
-		to_see = [self.inputs[0]]
-
-		while to_see:
-			node = to_see.pop(0)
-			if node in seen:
-				continue
-			seen.append(node)
-			lst_src.append(node)
-
-			# read the file
-			code = node.read()
-			code = c_preproc.re_nl.sub('', code)
-			code = c_preproc.re_cpp.sub(c_preproc.repl, code)
-
-			# find .i files and project headers
-			names = re_2.findall(code)
-			for n in names:
-				for d in self.generator.includes_nodes + [node.parent]:
-					u = d.find_resource(n)
-					if u:
-						to_see.append(u)
-						break
-				else:
-					missing.append(n)
-		return (lst_src, missing)
-
-# provide additional language processing
-swig_langs = {}
-def swigf(fun):
-	swig_langs[fun.__name__.replace('swig_', '')] = fun
-	return fun
-swig.swigf = swigf
-
-def swig_c(self):
-	ext = '.swigwrap_%d.c' % self.generator.idx
-	flags = self.env['SWIGFLAGS']
-	if '-c++' in flags:
-		ext += 'xx'
-	out_node = self.inputs[0].parent.find_or_declare(self.module + ext)
-
-	if '-c++' in flags:
-		c_tsk = self.generator.cxx_hook(out_node)
-	else:
-		c_tsk = self.generator.c_hook(out_node)
-
-	c_tsk.set_run_after(self)
-
-	# transfer weights from swig task to c task
-	if getattr(self, 'weight', None):
-		c_tsk.weight = self.weight
-	if getattr(self, 'tree_weight', None):
-		c_tsk.tree_weight = self.tree_weight
-
-	try:
-		self.more_tasks.append(c_tsk)
-	except AttributeError:
-		self.more_tasks = [c_tsk]
-
-	try:
-		ltask = self.generator.link_task
-	except AttributeError:
-		pass
-	else:
-		ltask.set_run_after(c_tsk)
-		# setting input nodes does not declare the build order
-		# because the build already started, but it sets
-		# the dependency to enable rebuilds
-		ltask.inputs.append(c_tsk.outputs[0])
-
-	self.outputs.append(out_node)
-
-	if not '-o' in self.env['SWIGFLAGS']:
-		self.env.append_value('SWIGFLAGS', ['-o', self.outputs[0].abspath()])
-
-@swigf
-def swig_python(tsk):
-	node = tsk.inputs[0].parent
-	if tsk.outdir:
-		node = tsk.outdir
-	tsk.set_outputs(node.find_or_declare(tsk.module+'.py'))
-
-@swigf
-def swig_ocaml(tsk):
-	node = tsk.inputs[0].parent
-	if tsk.outdir:
-		node = tsk.outdir
-	tsk.set_outputs(node.find_or_declare(tsk.module+'.ml'))
-	tsk.set_outputs(node.find_or_declare(tsk.module+'.mli'))
-
-@extension(*SWIG_EXTS)
-def i_file(self, node):
-	# the task instance
-	tsk = self.create_task('swig')
-	tsk.set_inputs(node)
-	tsk.module = getattr(self, 'swig_module', None)
-
-	flags = self.to_list(getattr(self, 'swig_flags', []))
-	tsk.env.append_value('SWIGFLAGS', flags)
-
-	tsk.outdir = None
-	if '-outdir' in flags:
-		outdir = flags[flags.index('-outdir')+1]
-		outdir = tsk.generator.bld.bldnode.make_node(outdir)
-		outdir.mkdir()
-		tsk.outdir = outdir
-
-@feature('c', 'cxx', 'd', 'fc', 'asm')
-@after_method('apply_link', 'process_source')
-def enforce_swig_before_link(self):
-	try:
-		link_task = self.link_task
-	except AttributeError:
-		pass
-	else:
-		for x in self.tasks:
-			if x.__class__.__name__ == 'swig':
-				link_task.run_after.add(x)
-
-@conf
-def check_swig_version(conf, minver=None):
-	"""
-	Check if the swig tool is found matching a given minimum version.
-	minver should be a tuple, eg. to check for swig >= 1.3.28 pass (1,3,28) as minver.
-
-	If successful, SWIG_VERSION is defined as 'MAJOR.MINOR'
-	(eg. '1.3') of the actual swig version found.
-
-	:param minver: minimum version
-	:type minver: tuple of int
-	:return: swig version
-	:rtype: tuple of int
-	"""
-	assert minver is None or isinstance(minver, tuple)
-	swigbin = conf.env['SWIG']
-	if not swigbin:
-		conf.fatal('could not find the swig executable')
-
-	# Get swig version string
-	cmd = swigbin + ['-version']
-	Logs.debug('swig: Running swig command %r', cmd)
-	reg_swig = re.compile(r'SWIG Version\s(.*)', re.M)
-	swig_out = conf.cmd_and_log(cmd)
-	swigver_tuple = tuple([int(s) for s in reg_swig.findall(swig_out)[0].split('.')])
-
-	# Compare swig version with the minimum required
-	result = (minver is None) or (swigver_tuple >= minver)
-
-	if result:
-		# Define useful environment variables
-		swigver = '.'.join([str(x) for x in swigver_tuple[:2]])
-		conf.env['SWIG_VERSION'] = swigver
-
-	# Feedback
-	swigver_full = '.'.join(map(str, swigver_tuple[:3]))
-	if minver is None:
-		conf.msg('Checking for swig version', swigver_full)
-	else:
-		minver_str = '.'.join(map(str, minver))
-		conf.msg('Checking for swig version >= %s' % (minver_str,), swigver_full, color=result and 'GREEN' or 'YELLOW')
-
-	if not result:
-		conf.fatal('The swig version is too old, expecting %r' % (minver,))
-
-	return swigver_tuple
-
-def configure(conf):
-	conf.find_program('swig', var='SWIG')
-	conf.env.SWIGPATH_ST = '-I%s'
-	conf.env.SWIGDEF_ST = '-D%s'
-
diff --git a/waflib/extras/syms.py b/waflib/extras/syms.py
deleted file mode 100644
index dfa00593..00000000
--- a/waflib/extras/syms.py
+++ /dev/null
@@ -1,84 +0,0 @@
-#! /usr/bin/env python
-# encoding: utf-8
-
-"""
-This tool supports the export_symbols_regex to export the symbols in a shared library.
-by default, all symbols are exported by gcc, and nothing by msvc.
-to use the tool, do something like:
-
-def build(ctx):
-	ctx(features='c cshlib syms', source='a.c b.c', export_symbols_regex='mylib_.*', target='testlib')
-
-only the symbols starting with 'mylib_' will be exported.
-"""
-
-import re
-from waflib.Context import STDOUT
-from waflib.Task import Task
-from waflib.Errors import WafError
-from waflib.TaskGen import feature, after_method
-
-class gen_sym(Task):
-	def run(self):
-		obj = self.inputs[0]
-		kw = {}
-
-		reg = getattr(self.generator, 'export_symbols_regex', '.+?')
-		if 'msvc' in (self.env.CC_NAME, self.env.CXX_NAME):
-			re_nm = re.compile(r'External\s+\|\s+_(?P<symbol>%s)\b' % reg)
-			cmd = (self.env.DUMPBIN or ['dumpbin']) + ['/symbols', obj.abspath()]
-		else:
-			if self.env.DEST_BINFMT == 'pe': #gcc uses nm, and has a preceding _ on windows
-				re_nm = re.compile(r'(T|D)\s+_(?P<symbol>%s)\b' % reg)
-			elif self.env.DEST_BINFMT=='mac-o':
-				re_nm=re.compile(r'(T|D)\s+(?P<symbol>_?%s)\b' % reg)
-			else:
-				re_nm = re.compile(r'(T|D)\s+(?P<symbol>%s)\b' % reg)
-			cmd = (self.env.NM or ['nm']) + ['-g', obj.abspath()]
-		syms = [m.group('symbol') for m in re_nm.finditer(self.generator.bld.cmd_and_log(cmd, quiet=STDOUT, **kw))]
-		self.outputs[0].write('%r' % syms)
-
-class compile_sym(Task):
-	def run(self):
-		syms = {}
-		for x in self.inputs:
-			slist = eval(x.read())
-			for s in slist:
-				syms[s] = 1
-		lsyms = list(syms.keys())
-		lsyms.sort()
-		if self.env.DEST_BINFMT == 'pe':
-			self.outputs[0].write('EXPORTS\n' + '\n'.join(lsyms))
-		elif self.env.DEST_BINFMT == 'elf':
-			self.outputs[0].write('{ global:\n' + ';\n'.join(lsyms) + ";\nlocal: *; };\n")
-		elif self.env.DEST_BINFMT=='mac-o':
-			self.outputs[0].write('\n'.join(lsyms) + '\n')
-		else:
-			raise WafError('NotImplemented')
-
-@feature('syms')
-@after_method('process_source', 'process_use', 'apply_link', 'process_uselib_local', 'propagate_uselib_vars')
-def do_the_symbol_stuff(self):
-	def_node = self.path.find_or_declare(getattr(self, 'sym_file', self.target + '.def'))
-	compiled_tasks = getattr(self, 'compiled_tasks', None)
-	if compiled_tasks:
-		ins = [x.outputs[0] for x in compiled_tasks]
-		self.gen_sym_tasks = [self.create_task('gen_sym', x, x.change_ext('.%d.sym' % self.idx)) for x in ins]
-		self.create_task('compile_sym', [x.outputs[0] for x in self.gen_sym_tasks], def_node)
-
-	link_task = getattr(self, 'link_task', None)
-	if link_task:
-		self.link_task.dep_nodes.append(def_node)
-
-		if 'msvc' in (self.env.CC_NAME, self.env.CXX_NAME):
-			self.link_task.env.append_value('LINKFLAGS', ['/def:' + def_node.bldpath()])
-		elif self.env.DEST_BINFMT == 'pe':
-			# gcc on windows takes *.def as an additional input
-			self.link_task.inputs.append(def_node)
-		elif self.env.DEST_BINFMT == 'elf':
-			self.link_task.env.append_value('LINKFLAGS', ['-Wl,-version-script', '-Wl,' + def_node.bldpath()])
-		elif self.env.DEST_BINFMT=='mac-o':
-			self.link_task.env.append_value('LINKFLAGS',['-Wl,-exported_symbols_list,' + def_node.bldpath()])
-		else:
-			raise WafError('NotImplemented')
-
diff --git a/waflib/extras/ticgt.py b/waflib/extras/ticgt.py
deleted file mode 100644
index f43a7ea5..00000000
--- a/waflib/extras/ticgt.py
+++ /dev/null
@@ -1,300 +0,0 @@
-#!/usr/bin/env python
-# encoding: utf-8
-
-# Texas Instruments code generator support (experimental)
-# When reporting issues, please directly assign the bug to the maintainer.
-
-__author__ = __maintainer__ = "Jérôme Carretero <cJ-waf@zougloub.eu>"
-__copyright__ = "Jérôme Carretero, 2012"
-
-"""
-TI cgt6x is a compiler suite for TI DSPs.
-
-The toolchain does pretty weird things, and I'm sure I'm missing some of them.
-But still, the tool saves time.
-
-What this tool does is:
-
-- create a TI compiler environment
-- create TI compiler features, to handle some specifics about this compiler
-  It has a few idiosyncracies, such as not giving the liberty of the .o file names
-- automatically activate them when using the TI compiler
-- handle the tconf tool
-  The tool
-
-TODO:
-
-- the set_platform_flags() function is not nice
-- more tests
-- broaden tool scope, if needed
-
-"""
-
-import os, re
-
-from waflib import Options, Utils, Task, TaskGen
-from waflib.Tools import c, ccroot, c_preproc
-from waflib.Configure import conf
-from waflib.TaskGen import feature, before_method
-from waflib.Tools.c import cprogram
-
-opj = os.path.join
-
-@conf
-def find_ticc(conf):
-	conf.find_program(['cl6x'], var='CC', path_list=opj(getattr(Options.options, 'ti-cgt-dir', ""), 'bin'))
-	conf.env.CC_NAME = 'ticc'
-
-@conf
-def find_tild(conf):
-	conf.find_program(['lnk6x'], var='LINK_CC', path_list=opj(getattr(Options.options, 'ti-cgt-dir', ""), 'bin'))
-	conf.env.LINK_CC_NAME = 'tild'
-
-@conf
-def find_tiar(conf):
-	conf.find_program(['ar6x'], var='AR', path_list=opj(getattr(Options.options, 'ti-cgt-dir', ""), 'bin'))
-	conf.env.AR_NAME = 'tiar'
-	conf.env.ARFLAGS = 'qru'
-
-@conf
-def ticc_common_flags(conf):
-	v = conf.env
-
-	if not v['LINK_CC']:
-		v['LINK_CC'] = v['CC']
-	v['CCLNK_SRC_F']	 = []
-	v['CCLNK_TGT_F']	 = ['-o']
-	v['CPPPATH_ST']	  = '-I%s'
-	v['DEFINES_ST']	  = '-d%s'
-
-	v['LIB_ST']	      = '-l%s' # template for adding libs
-	v['LIBPATH_ST']	  = '-i%s' # template for adding libpaths
-	v['STLIB_ST']	    = '-l=%s.lib'
-	v['STLIBPATH_ST']	= '-i%s'
-
-	# program
-	v['cprogram_PATTERN']    = '%s.out'
-
-	# static lib
-	#v['LINKFLAGS_cstlib']    = ['-Wl,-Bstatic']
-	v['cstlib_PATTERN']      = '%s.lib'
-
-def configure(conf):
-	v = conf.env
-	v.TI_CGT_DIR = getattr(Options.options, 'ti-cgt-dir', "")
-	v.TI_DSPLINK_DIR = getattr(Options.options, 'ti-dsplink-dir', "")
-	v.TI_BIOSUTILS_DIR = getattr(Options.options, 'ti-biosutils-dir', "")
-	v.TI_DSPBIOS_DIR = getattr(Options.options, 'ti-dspbios-dir', "")
-	v.TI_XDCTOOLS_DIR = getattr(Options.options, 'ti-xdctools-dir', "")
-	conf.find_ticc()
-	conf.find_tiar()
-	conf.find_tild()
-	conf.ticc_common_flags()
-	conf.cc_load_tools()
-	conf.cc_add_flags()
-	conf.link_add_flags()
-	conf.find_program(['tconf'], var='TCONF', path_list=v.TI_XDCTOOLS_DIR)
-
-	conf.env.TCONF_INCLUDES += [
-	 opj(conf.env.TI_DSPBIOS_DIR, 'packages'),
-	]
-
-	conf.env.INCLUDES += [
-	 opj(conf.env.TI_CGT_DIR, 'include'),
-	]
-
-	conf.env.LIBPATH += [
-	 opj(conf.env.TI_CGT_DIR, "lib"),
-	]
-
-	conf.env.INCLUDES_DSPBIOS += [
-	 opj(conf.env.TI_DSPBIOS_DIR, 'packages', 'ti', 'bios', 'include'),
-	]
-
-	conf.env.LIBPATH_DSPBIOS += [
-	 opj(conf.env.TI_DSPBIOS_DIR, 'packages', 'ti', 'bios', 'lib'),
-	]
-
-	conf.env.INCLUDES_DSPLINK += [
-	 opj(conf.env.TI_DSPLINK_DIR, 'dsplink', 'dsp', 'inc'),
-	]
-
-@conf
-def ti_set_debug(cfg, debug=1):
-	"""
-	Sets debug flags for the compiler.
-
-	TODO:
-	- for each TI CFLAG/INCLUDES/LINKFLAGS/LIBPATH replace RELEASE by DEBUG
-	- -g --no_compress
-	"""
-	if debug:
-		cfg.env.CFLAGS += "-d_DEBUG -dDEBUG -dDDSP_DEBUG".split()
-
-@conf
-def ti_dsplink_set_platform_flags(cfg, splat, dsp, dspbios_ver, board):
-	"""
-	Sets the INCLUDES, LINKFLAGS for DSPLINK and TCONF_INCLUDES
-	For the specific hardware.
-
-	Assumes that DSPLINK was built in its own folder.
-
-	:param splat: short platform name (eg. OMAPL138)
-	:param dsp: DSP name (eg. 674X)
-	:param dspbios_ver: string identifying DspBios version (eg. 5.XX)
-	:param board: board name (eg. OMAPL138GEM)
-
-	"""
-	d1 = opj(cfg.env.TI_DSPLINK_DIR, 'dsplink', 'dsp', 'inc', 'DspBios', dspbios_ver)
-	d = opj(cfg.env.TI_DSPLINK_DIR, 'dsplink', 'dsp', 'inc', 'DspBios', dspbios_ver, board)
-	cfg.env.TCONF_INCLUDES += [d1, d]
-	cfg.env.INCLUDES_DSPLINK += [
-	 opj(cfg.env.TI_DSPLINK_DIR, 'dsplink', 'dsp', 'inc', dsp),
-	 d,
-	]
-
-	cfg.env.LINKFLAGS_DSPLINK += [
-	 opj(cfg.env.TI_DSPLINK_DIR, 'dsplink', 'dsp', 'export', 'BIN', 'DspBios', splat, board+'_0', 'RELEASE', 'dsplink%s.lib' % x)
-	 for x in ('', 'pool', 'mpcs', 'mplist', 'msg', 'data', 'notify', 'ringio')
-	]
-
-
-def options(opt):
-	opt.add_option('--with-ti-cgt', type='string', dest='ti-cgt-dir', help = 'Specify alternate cgt root folder', default="")
-	opt.add_option('--with-ti-biosutils', type='string', dest='ti-biosutils-dir', help = 'Specify alternate biosutils folder', default="")
-	opt.add_option('--with-ti-dspbios', type='string', dest='ti-dspbios-dir', help = 'Specify alternate dspbios folder', default="")
-	opt.add_option('--with-ti-dsplink', type='string', dest='ti-dsplink-dir', help = 'Specify alternate dsplink folder', default="")
-	opt.add_option('--with-ti-xdctools', type='string', dest='ti-xdctools-dir', help = 'Specify alternate xdctools folder', default="")
-
-class ti_cprogram(cprogram):
-	"""
-	Link object files into a c program
-	
-	Changes:
-
-	- the linked executable to have a relative path (because we can)
-	- put the LIBPATH first
-	"""
-	run_str = '${LINK_CC} ${LIBPATH_ST:LIBPATH} ${LIB_ST:LIB} ${LINKFLAGS} ${CCLNK_SRC_F}${SRC} ${CCLNK_TGT_F}${TGT[0].bldpath()} ${RPATH_ST:RPATH} ${FRAMEWORKPATH_ST:FRAMEWORKPATH} ${FRAMEWORK_ST:FRAMEWORK} ${ARCH_ST:ARCH} ${STLIB_MARKER} ${STLIBPATH_ST:STLIBPATH} ${STLIB_ST:STLIB} ${SHLIB_MARKER} '
-
-@feature("c")
-@before_method('apply_link')
-def use_ti_cprogram(self):
-	"""
-	Automatically uses ti_cprogram link process
-	"""
-	if 'cprogram' in self.features and self.env.CC_NAME == 'ticc':
-		self.features.insert(0, "ti_cprogram")
-
-class ti_c(Task.Task):
-	"""
-	Compile task for the TI codegen compiler
-
-	This compiler does not allow specifying the output file name, only the output path.
-
-	"""
-	"Compile C files into object files"
-	run_str = '${CC} ${ARCH_ST:ARCH} ${CFLAGS} ${FRAMEWORKPATH_ST:FRAMEWORKPATH} ${CPPPATH_ST:INCPATHS} ${DEFINES_ST:DEFINES} ${SRC} -c ${OUT} ${CPPFLAGS}'
-	vars    = ['CCDEPS'] # unused variable to depend on, just in case
-	ext_in  = ['.h'] # set the build order easily by using ext_out=['.h']
-	scan    = c_preproc.scan
-
-def create_compiled_task(self, name, node):
-	"""
-	Overrides ccroot.create_compiled_task to support ti_c
-	"""
-	out = '%s' % (node.change_ext('.obj').name)
-	if self.env.CC_NAME == 'ticc':
-		name = 'ti_c'
-	task = self.create_task(name, node, node.parent.find_or_declare(out))
-	self.env.OUT = '-fr%s' % (node.parent.get_bld().abspath())
-	try:
-		self.compiled_tasks.append(task)
-	except AttributeError:
-		self.compiled_tasks = [task]
-	return task
-
-@TaskGen.extension('.c')
-def c_hook(self, node):
-	"Bind the c file extension to the creation of a :py:class:`waflib.Tools.c.c` instance"
-	if self.env.CC_NAME == 'ticc':
-		return create_compiled_task(self, 'ti_c', node)
-	else:
-		return self.create_compiled_task('c', node)
-
-
-@feature("ti-tconf")
-@before_method('process_source')
-def apply_tconf(self):
-	sources = [x.get_src() for x in self.to_nodes(self.source, path=self.path.get_src())]
-	node = sources[0]
-	assert(sources[0].name.endswith(".tcf"))
-	if len(sources) > 1:
-		assert(sources[1].name.endswith(".cmd"))
-
-	target = getattr(self, 'target', self.source)
-	target_node = node.get_bld().parent.find_or_declare(node.name)
-	
-	procid = "%d" % int(getattr(self, 'procid', 0))
-
-	importpaths = []
-	includes = Utils.to_list(getattr(self, 'includes', []))
-	for x in includes + self.env.TCONF_INCLUDES:
-		if x == os.path.abspath(x):
-			importpaths.append(x)
-		else:
-			relpath = self.path.find_node(x).path_from(target_node.parent)
-			importpaths.append(relpath)
-
-	task = self.create_task('ti_tconf', sources, target_node.change_ext('.cdb'))
-	task.path = self.path
-	task.includes = includes
-	task.cwd = target_node.parent.abspath()
-	task.env = self.env.derive()
-	task.env["TCONFSRC"] = node.path_from(target_node.parent)
-	task.env["TCONFINC"] = '-Dconfig.importPath=%s' % ";".join(importpaths)
-	task.env['TCONFPROGNAME'] = '-Dconfig.programName=%s' % target
-	task.env['PROCID'] = procid
-	task.outputs = [
-	 target_node.change_ext("cfg_c.c"),
-	 target_node.change_ext("cfg.s62"),
-	 target_node.change_ext("cfg.cmd"),
-	]
-
-	create_compiled_task(self, 'ti_c', task.outputs[1])
-	ctask = create_compiled_task(self, 'ti_c', task.outputs[0])
-	ctask.env = self.env.derive()
-
-	self.add_those_o_files(target_node.change_ext("cfg.cmd"))
-	if len(sources) > 1:
-		self.add_those_o_files(sources[1])
-	self.source = []
-
-re_tconf_include = re.compile(r'(?P<type>utils\.importFile)\("(?P<file>.*)"\)',re.M)
-class ti_tconf(Task.Task):
-	run_str = '${TCONF} ${TCONFINC} ${TCONFPROGNAME} ${TCONFSRC} ${PROCID}'
-	color   = 'PINK'
-
-	def scan(self):
-		includes = Utils.to_list(getattr(self, 'includes', []))
-
-		def deps(node):
-			nodes, names = [], []
-			if node:
-				code = Utils.readf(node.abspath())
-				for match in re_tconf_include.finditer(code):
-					path = match.group('file')
-					if path:
-						for x in includes:
-							filename = opj(x, path)
-							fi = self.path.find_resource(filename)
-							if fi:
-								subnodes, subnames = deps(fi)
-								nodes += subnodes
-								names += subnames
-								nodes.append(fi)
-								names.append(path)
-								break
-			return nodes, names
-		return deps(self.inputs[0])
-
diff --git a/waflib/extras/unity.py b/waflib/extras/unity.py
deleted file mode 100644
index 78128ed3..00000000
--- a/waflib/extras/unity.py
+++ /dev/null
@@ -1,108 +0,0 @@
-#! /usr/bin/env python
-# encoding: utf-8
-
-"""
-Compile whole groups of C/C++ files at once
-(C and C++ files are processed independently though).
-
-To enable globally::
-
-	def options(opt):
-		opt.load('compiler_cxx')
-	def build(bld):
-		bld.load('compiler_cxx unity')
-
-To enable for specific task generators only::
-
-	def build(bld):
-		bld(features='c cprogram unity', source='main.c', ...)
-
-The file order is often significant in such builds, so it can be
-necessary to adjust the order of source files and the batch sizes.
-To control the amount of files processed in a batch per target
-(the default is 50)::
-
-	def build(bld):
-		bld(features='c cprogram', unity_size=20)
-
-"""
-
-from waflib import Task, Options
-from waflib.Tools import c_preproc
-from waflib import TaskGen
-
-MAX_BATCH = 50
-
-EXTS_C = ('.c',)
-EXTS_CXX = ('.cpp','.cc','.cxx','.C','.c++')
-
-def options(opt):
-	global MAX_BATCH
-	opt.add_option('--batchsize', action='store', dest='batchsize', type='int', default=MAX_BATCH,
-		help='default unity batch size (0 disables unity builds)')
-
-@TaskGen.taskgen_method
-def batch_size(self):
-	default = getattr(Options.options, 'batchsize', MAX_BATCH)
-	if default < 1:
-		return 0
-	return getattr(self, 'unity_size', default)
-
-
-class unity(Task.Task):
-	color = 'BLUE'
-	scan = c_preproc.scan
-	def to_include(self, node):
-		ret = node.path_from(self.outputs[0].parent)
-		ret = ret.replace('\\', '\\\\').replace('"', '\\"')
-		return ret
-	def run(self):
-		lst = ['#include "%s"\n' % self.to_include(node) for node in self.inputs]
-		txt = ''.join(lst)
-		self.outputs[0].write(txt)
-	def __str__(self):
-		node = self.outputs[0]
-		return node.path_from(node.ctx.launch_node())
-
-def bind_unity(obj, cls_name, exts):
-	if not 'mappings' in obj.__dict__:
-		obj.mappings = dict(obj.mappings)
-
-	for j in exts:
-		fun = obj.mappings[j]
-		if fun.__name__ == 'unity_fun':
-			raise ValueError('Attempt to bind unity mappings multiple times %r' % j)
-
-		def unity_fun(self, node):
-			cnt = self.batch_size()
-			if cnt <= 1:
-				return fun(self, node)
-			x = getattr(self, 'master_%s' % cls_name, None)
-			if not x or len(x.inputs) >= cnt:
-				x = self.create_task('unity')
-				setattr(self, 'master_%s' % cls_name, x)
-
-				cnt_cur = getattr(self, 'cnt_%s' % cls_name, 0)
-				c_node = node.parent.find_or_declare('unity_%s_%d_%d.%s' % (self.idx, cnt_cur, cnt, cls_name))
-				x.outputs = [c_node]
-				setattr(self, 'cnt_%s' % cls_name, cnt_cur + 1)
-				fun(self, c_node)
-			x.inputs.append(node)
-
-		obj.mappings[j] = unity_fun
-
-@TaskGen.feature('unity')
-@TaskGen.before('process_source')
-def single_unity(self):
-	lst = self.to_list(self.features)
-	if 'c' in lst:
-		bind_unity(self, 'c', EXTS_C)
-	if 'cxx' in lst:
-		bind_unity(self, 'cxx', EXTS_CXX)
-
-def build(bld):
-	if bld.env.CC_NAME:
-		bind_unity(TaskGen.task_gen, 'c', EXTS_C)
-	if bld.env.CXX_NAME:
-		bind_unity(TaskGen.task_gen, 'cxx', EXTS_CXX)
-
diff --git a/waflib/extras/use_config.py b/waflib/extras/use_config.py
deleted file mode 100644
index ef5129f2..00000000
--- a/waflib/extras/use_config.py
+++ /dev/null
@@ -1,185 +0,0 @@
-#!/usr/bin/env python
-# coding=utf-8
-# Mathieu Courtois - EDF R&D, 2013 - http://www.code-aster.org
-
-"""
-When a project has a lot of options the 'waf configure' command line can be
-very long and it becomes a cause of error.
-This tool provides a convenient way to load a set of configuration parameters
-from a local file or from a remote url.
-
-The configuration parameters are stored in a Python file that is imported as
-an extra waf tool can be.
-
-Example:
-$ waf configure --use-config-dir=http://www.anywhere.org --use-config=myconf1 ...
-
-The file 'myconf1' will be downloaded from 'http://www.anywhere.org'
-(or 'http://www.anywhere.org/wafcfg').
-If the files are available locally, it could be:
-$ waf configure --use-config-dir=/somewhere/myconfigurations --use-config=myconf1 ...
-
-The configuration of 'myconf1.py' is automatically loaded by calling
-its 'configure' function. In this example, it defines environment variables and
-set options:
-
-def configure(self):
-	self.env['CC'] = 'gcc-4.8'
-	self.env.append_value('LIBPATH', [...])
-	self.options.perlbinary = '/usr/local/bin/perl'
-	self.options.pyc = False
-
-The corresponding command line should have been:
-$ CC=gcc-4.8 LIBPATH=... waf configure --nopyc --with-perl-binary=/usr/local/bin/perl
-
-
-This is an extra tool, not bundled with the default waf binary.
-To add the use_config tool to the waf file:
-$ ./waf-light --tools=use_config
-
-When using this tool, the wscript will look like:
-
-	def options(opt):
-		opt.load('use_config')
-
-	def configure(conf):
-		conf.load('use_config')
-"""
-
-import sys
-import os.path as osp
-import os
-
-local_repo = ''
-"""Local repository containing additional Waf tools (plugins)"""
-remote_repo = 'https://gitlab.com/ita1024/waf/raw/master/'
-"""
-Remote directory containing downloadable waf tools. The missing tools can be downloaded by using::
-
-	$ waf configure --download
-"""
-
-remote_locs = ['waflib/extras', 'waflib/Tools']
-"""
-Remote directories for use with :py:const:`waflib.extras.use_config.remote_repo`
-"""
-
-
-try:
-	from urllib import request
-except ImportError:
-	from urllib import urlopen
-else:
-	urlopen = request.urlopen
-
-
-from waflib import Errors, Context, Logs, Utils, Options, Configure
-
-try:
-	from urllib.parse import urlparse
-except ImportError:
-	from urlparse import urlparse
-
-
-
-
-DEFAULT_DIR = 'wafcfg'
-# add first the current wafcfg subdirectory
-sys.path.append(osp.abspath(DEFAULT_DIR))
-
-def options(self):
-	group = self.add_option_group('configure options')
-	group.add_option('--download', dest='download', default=False, action='store_true', help='try to download the tools if missing')
-
-	group.add_option('--use-config', action='store', default=None,
-					 metavar='CFG', dest='use_config',
-					 help='force the configuration parameters by importing '
-						  'CFG.py. Several modules may be provided (comma '
-						  'separated).')
-	group.add_option('--use-config-dir', action='store', default=DEFAULT_DIR,
-					 metavar='CFG_DIR', dest='use_config_dir',
-					 help='path or url where to find the configuration file')
-
-def download_check(node):
-	"""
-	Hook to check for the tools which are downloaded. Replace with your function if necessary.
-	"""
-	pass
-
-
-def download_tool(tool, force=False, ctx=None):
-	"""
-	Download a Waf tool from the remote repository defined in :py:const:`waflib.extras.use_config.remote_repo`::
-
-		$ waf configure --download
-	"""
-	for x in Utils.to_list(remote_repo):
-		for sub in Utils.to_list(remote_locs):
-			url = '/'.join((x, sub, tool + '.py'))
-			try:
-				web = urlopen(url)
-				try:
-					if web.getcode() != 200:
-						continue
-				except AttributeError:
-					pass
-			except Exception:
-				# on python3 urlopen throws an exception
-				# python 2.3 does not have getcode and throws an exception to fail
-				continue
-			else:
-				tmp = ctx.root.make_node(os.sep.join((Context.waf_dir, 'waflib', 'extras', tool + '.py')))
-				tmp.write(web.read(), 'wb')
-				Logs.warn('Downloaded %s from %s', tool, url)
-				download_check(tmp)
-				try:
-					module = Context.load_tool(tool)
-				except Exception:
-					Logs.warn('The tool %s from %s is unusable', tool, url)
-					try:
-						tmp.delete()
-					except Exception:
-						pass
-					continue
-				return module
-
-	raise Errors.WafError('Could not load the Waf tool')
-
-def load_tool(tool, tooldir=None, ctx=None, with_sys_path=True):
-	try:
-		module = Context.load_tool_default(tool, tooldir, ctx, with_sys_path)
-	except ImportError as e:
-		if not ctx or not hasattr(Options.options, 'download'):
-			Logs.error('Could not load %r during options phase (download unavailable at this point)' % tool)
-			raise
-		if Options.options.download:
-			module = download_tool(tool, ctx=ctx)
-			if not module:
-				ctx.fatal('Could not load the Waf tool %r or download a suitable replacement from the repository (sys.path %r)\n%s' % (tool, sys.path, e))
-		else:
-			ctx.fatal('Could not load the Waf tool %r from %r (try the --download option?):\n%s' % (tool, sys.path, e))
-	return module
-
-Context.load_tool_default = Context.load_tool
-Context.load_tool = load_tool
-Configure.download_tool = download_tool
-
-def configure(self):
-	opts = self.options
-	use_cfg = opts.use_config
-	if use_cfg is None:
-		return
-	url = urlparse(opts.use_config_dir)
-	kwargs = {}
-	if url.scheme:
-		kwargs['download'] = True
-		kwargs['remote_url'] = url.geturl()
-		# search first with the exact url, else try with +'/wafcfg'
-		kwargs['remote_locs'] = ['', DEFAULT_DIR]
-	tooldir = url.geturl() + ' ' + DEFAULT_DIR
-	for cfg in use_cfg.split(','):
-		Logs.pprint('NORMAL', "Searching configuration '%s'..." % cfg)
-		self.load(cfg, tooldir=tooldir, **kwargs)
-	self.start_msg('Checking for configuration')
-	self.end_msg(use_cfg)
-
diff --git a/waflib/extras/valadoc.py b/waflib/extras/valadoc.py
deleted file mode 100644
index c50f69e7..00000000
--- a/waflib/extras/valadoc.py
+++ /dev/null
@@ -1,140 +0,0 @@
-#! /usr/bin/env python
-# encoding: UTF-8
-# Nicolas Joseph 2009
-
-"""
-ported from waf 1.5:
-TODO: tabs vs spaces
-"""
-
-from waflib import Task, Utils, Errors, Logs
-from waflib.TaskGen import feature
-
-VALADOC_STR = '${VALADOC}'
-
-class valadoc(Task.Task):
-	vars  = ['VALADOC', 'VALADOCFLAGS']
-	color = 'BLUE'
-	after = ['cprogram', 'cstlib', 'cshlib', 'cxxprogram', 'cxxstlib', 'cxxshlib']
-	quiet = True # no outputs .. this is weird
-
-	def __init__(self, *k, **kw):
-		Task.Task.__init__(self, *k, **kw)
-		self.output_dir = ''
-		self.doclet = ''
-		self.package_name = ''
-		self.package_version = ''
-		self.files = []
-		self.vapi_dirs = []
-		self.protected = True
-		self.private = False
-		self.inherit = False
-		self.deps = False
-		self.vala_defines = []
-		self.vala_target_glib = None
-		self.enable_non_null_experimental = False
-		self.force = False
-
-	def run(self):
-		if not self.env['VALADOCFLAGS']:
-			self.env['VALADOCFLAGS'] = ''
-		cmd = [Utils.subst_vars(VALADOC_STR, self.env)]
-		cmd.append ('-o %s' % self.output_dir)
-		if getattr(self, 'doclet', None):
-			cmd.append ('--doclet %s' % self.doclet)
-		cmd.append ('--package-name %s' % self.package_name)
-		if getattr(self, 'package_version', None):
-			cmd.append ('--package-version %s' % self.package_version)
-		if getattr(self, 'packages', None):
-			for package in self.packages:
-				cmd.append ('--pkg %s' % package)
-		if getattr(self, 'vapi_dirs', None):
-			for vapi_dir in self.vapi_dirs:
-				cmd.append ('--vapidir %s' % vapi_dir)
-		if not getattr(self, 'protected', None):
-			cmd.append ('--no-protected')
-		if getattr(self, 'private', None):
-			cmd.append ('--private')
-		if getattr(self, 'inherit', None):
-			cmd.append ('--inherit')
-		if getattr(self, 'deps', None):
-			cmd.append ('--deps')
-		if getattr(self, 'vala_defines', None):
-			for define in self.vala_defines:
-				cmd.append ('--define %s' % define)
-		if getattr(self, 'vala_target_glib', None):
-			cmd.append ('--target-glib=%s' % self.vala_target_glib)
-		if getattr(self, 'enable_non_null_experimental', None):
-			cmd.append ('--enable-non-null-experimental')
-		if getattr(self, 'force', None):
-			cmd.append ('--force')
-		cmd.append (' '.join ([x.abspath() for x in self.files]))
-		return self.generator.bld.exec_command(' '.join(cmd))
-
-@feature('valadoc')
-def process_valadoc(self):
-	"""
-	Generate API documentation from Vala source code with valadoc
-
-	doc = bld(
-		features = 'valadoc',
-		output_dir = '../doc/html',
-		package_name = 'vala-gtk-example',
-		package_version = '1.0.0',
-		packages = 'gtk+-2.0',
-		vapi_dirs = '../vapi',
-		force = True
-	)
-
-	path = bld.path.find_dir ('../src')
-	doc.files = path.ant_glob (incl='**/*.vala')
-	"""
-
-	task = self.create_task('valadoc')
-	if getattr(self, 'output_dir', None):
-		task.output_dir = self.path.find_or_declare(self.output_dir).abspath()
-	else:
-		Errors.WafError('no output directory')
-	if getattr(self, 'doclet', None):
-		task.doclet = self.doclet
-	else:
-		Errors.WafError('no doclet directory')
-	if getattr(self, 'package_name', None):
-		task.package_name = self.package_name
-	else:
-		Errors.WafError('no package name')
-	if getattr(self, 'package_version', None):
-		task.package_version = self.package_version
-	if getattr(self, 'packages', None):
-		task.packages = Utils.to_list(self.packages)
-	if getattr(self, 'vapi_dirs', None):
-		vapi_dirs = Utils.to_list(self.vapi_dirs)
-		for vapi_dir in vapi_dirs:
-			try:
-				task.vapi_dirs.append(self.path.find_dir(vapi_dir).abspath())
-			except AttributeError:
-				Logs.warn('Unable to locate Vala API directory: %r', vapi_dir)
-	if getattr(self, 'files', None):
-		task.files = self.files
-	else:
-		Errors.WafError('no input file')
-	if getattr(self, 'protected', None):
-		task.protected = self.protected
-	if getattr(self, 'private', None):
-		task.private = self.private
-	if getattr(self, 'inherit', None):
-		task.inherit = self.inherit
-	if getattr(self, 'deps', None):
-		task.deps = self.deps
-	if getattr(self, 'vala_defines', None):
-		task.vala_defines = Utils.to_list(self.vala_defines)
-	if getattr(self, 'vala_target_glib', None):
-		task.vala_target_glib = self.vala_target_glib
-	if getattr(self, 'enable_non_null_experimental', None):
-		task.enable_non_null_experimental = self.enable_non_null_experimental
-	if getattr(self, 'force', None):
-		task.force = self.force
-
-def configure(conf):
-	conf.find_program('valadoc', errmsg='You must install valadoc <http://live.gnome.org/Valadoc> for generate the API documentation')
-
diff --git a/waflib/extras/waf_xattr.py b/waflib/extras/waf_xattr.py
deleted file mode 100644
index 351dd63a..00000000
--- a/waflib/extras/waf_xattr.py
+++ /dev/null
@@ -1,150 +0,0 @@
-#! /usr/bin/env python
-# encoding: utf-8
-
-"""
-Use extended attributes instead of database files
-
-1. Input files will be made writable
-2. This is only for systems providing extended filesystem attributes
-3. By default, hashes are calculated only if timestamp/size change (HASH_CACHE below)
-4. The module enables "deep_inputs" on all tasks by propagating task signatures
-5. This module also skips task signature comparisons for task code changes due to point 4.
-6. This module is for Python3/Linux only, but it could be extended to Python2/other systems
-   using the xattr library
-7. For projects in which tasks always declare output files, it should be possible to
-   store the rest of build context attributes on output files (imp_sigs, raw_deps and node_deps)
-   but this is not done here
-
-On a simple C++ project benchmark, the variations before and after adding waf_xattr.py were observed:
-total build time: 20s -> 22s
-no-op build time: 2.4s -> 1.8s
-pickle file size: 2.9MB -> 2.6MB
-"""
-
-import os
-from waflib import Logs, Node, Task, Utils, Errors
-from waflib.Task import SKIP_ME, RUN_ME, CANCEL_ME, ASK_LATER, SKIPPED, MISSING
-
-HASH_CACHE = True
-SIG_VAR = 'user.waf.sig'
-SEP = ','.encode()
-TEMPLATE = '%b%d,%d'.encode()
-
-try:
-	PermissionError
-except NameError:
-	PermissionError = IOError
-
-def getxattr(self):
-	return os.getxattr(self.abspath(), SIG_VAR)
-
-def setxattr(self, val):
-	os.setxattr(self.abspath(), SIG_VAR, val)
-
-def h_file(self):
-	try:
-		ret = getxattr(self)
-	except OSError:
-		if HASH_CACHE:
-			st = os.stat(self.abspath())
-			mtime = st.st_mtime
-			size = st.st_size
-	else:
-		if len(ret) == 16:
-			# for build directory files
-			return ret
-
-		if HASH_CACHE:
-			# check if timestamp and mtime match to avoid re-hashing
-			st = os.stat(self.abspath())
-			mtime, size = ret[16:].split(SEP)
-			if int(1000 * st.st_mtime) == int(mtime) and st.st_size == int(size):
-				return ret[:16]
-
-	ret = Utils.h_file(self.abspath())
-	if HASH_CACHE:
-		val = TEMPLATE % (ret, int(1000 * st.st_mtime), int(st.st_size))
-		try:
-			setxattr(self, val)
-		except PermissionError:
-			os.chmod(self.abspath(), st.st_mode | 128)
-			setxattr(self, val)
-	return ret
-
-def runnable_status(self):
-	bld = self.generator.bld
-	if bld.is_install < 0:
-		return SKIP_ME
-
-	for t in self.run_after:
-		if not t.hasrun:
-			return ASK_LATER
-		elif t.hasrun < SKIPPED:
-			# a dependency has an error
-			return CANCEL_ME
-
-	# first compute the signature
-	try:
-		new_sig = self.signature()
-	except Errors.TaskNotReady:
-		return ASK_LATER
-
-	if not self.outputs:
-		# compare the signature to a signature computed previously
-		# this part is only for tasks with no output files
-		key = self.uid()
-		try:
-			prev_sig = bld.task_sigs[key]
-		except KeyError:
-			Logs.debug('task: task %r must run: it was never run before or the task code changed', self)
-			return RUN_ME
-		if new_sig != prev_sig:
-			Logs.debug('task: task %r must run: the task signature changed', self)
-			return RUN_ME
-
-	# compare the signatures of the outputs to make a decision
-	for node in self.outputs:
-		try:
-			sig = node.h_file()
-		except EnvironmentError:
-			Logs.debug('task: task %r must run: an output node does not exist', self)
-			return RUN_ME
-		if sig != new_sig:
-			Logs.debug('task: task %r must run: an output node is stale', self)
-			return RUN_ME
-
-	return (self.always_run and RUN_ME) or SKIP_ME
-
-def post_run(self):
-	bld = self.generator.bld
-	sig = self.signature()
-	for node in self.outputs:
-		if not node.exists():
-			self.hasrun = MISSING
-			self.err_msg = '-> missing file: %r' % node.abspath()
-			raise Errors.WafError(self.err_msg)
-		os.setxattr(node.abspath(), 'user.waf.sig', sig)
-	if not self.outputs:
-		# only for task with no outputs
-		bld.task_sigs[self.uid()] = sig
-	if not self.keep_last_cmd:
-		try:
-			del self.last_cmd
-		except AttributeError:
-			pass
-
-try:
-	os.getxattr
-except AttributeError:
-	pass
-else:
-	h_file.__doc__ = Node.Node.h_file.__doc__
-
-	# keep file hashes as file attributes
-	Node.Node.h_file = h_file
-
-	# enable "deep_inputs" on all tasks
-	Task.Task.runnable_status = runnable_status
-	Task.Task.post_run = post_run
-	Task.Task.sig_deep_inputs = Utils.nada
-
diff --git a/waflib/extras/why.py b/waflib/extras/why.py
deleted file mode 100644
index 1bb941f6..00000000
--- a/waflib/extras/why.py
+++ /dev/null
@@ -1,78 +0,0 @@
-#! /usr/bin/env python
-# encoding: utf-8
-# Thomas Nagy, 2010 (ita)
-
-"""
-This tool modifies the task signature scheme to store and obtain
-information about the task execution (why it must run, etc)::
-
-	def configure(conf):
-		conf.load('why')
-
-After adding the tool, a full rebuild is necessary:
-waf clean build --zones=task
-"""
-
-from waflib import Task, Utils, Logs, Errors
-
-def signature(self):
-	# compute the result one time, and suppose the scan_signature will give the good result
-	try:
-		return self.cache_sig
-	except AttributeError:
-		pass
-
-	self.m = Utils.md5()
-	self.m.update(self.hcode)
-	id_sig = self.m.digest()
-
-	# explicit deps
-	self.m = Utils.md5()
-	self.sig_explicit_deps()
-	exp_sig = self.m.digest()
-
-	# env vars
-	self.m = Utils.md5()
-	self.sig_vars()
-	var_sig = self.m.digest()
-
-	# implicit deps / scanner results
-	self.m = Utils.md5()
-	if self.scan:
-		try:
-			self.sig_implicit_deps()
-		except Errors.TaskRescan:
-			return self.signature()
-	impl_sig = self.m.digest()
-
-	ret = self.cache_sig = impl_sig + id_sig + exp_sig + var_sig
-	return ret
-
-
-Task.Task.signature = signature
-
-old = Task.Task.runnable_status
-def runnable_status(self):
-	ret = old(self)
-	if ret == Task.RUN_ME:
-		try:
-			old_sigs = self.generator.bld.task_sigs[self.uid()]
-		except (KeyError, AttributeError):
-			Logs.debug("task: task must run as no previous signature exists")
-		else:
-			new_sigs = self.cache_sig
-			def v(x):
-				return Utils.to_hex(x)
-
-			Logs.debug('Task %r', self)
-			msgs = ['* Implicit or scanner dependency', '* Task code', '* Source file, explicit or manual dependency', '* Configuration data variable']
-			tmp = 'task: -> %s: %s %s'
-			for x in range(len(msgs)):
-				l = len(Utils.SIG_NIL)
-				a = new_sigs[x*l : (x+1)*l]
-				b = old_sigs[x*l : (x+1)*l]
-				if (a != b):
-					Logs.debug(tmp, msgs[x].ljust(35), v(a), v(b))
-	return ret
-Task.Task.runnable_status = runnable_status
-
diff --git a/waflib/extras/win32_opts.py b/waflib/extras/win32_opts.py
deleted file mode 100644
index 9f7443c3..00000000
--- a/waflib/extras/win32_opts.py
+++ /dev/null
@@ -1,170 +0,0 @@
-#! /usr/bin/env python
-# encoding: utf-8
-
-"""
-Windows-specific optimizations
-
-This module can help reducing the overhead of listing files on windows
-(more than 10000 files). Python 3.5 already provides the listdir
-optimization though.
-"""
-
-import os
-from waflib import Utils, Build, Node, Logs
-
-try:
-	TP = '%s\\*'.decode('ascii')
-except AttributeError:
-	TP = '%s\\*'
-
-if Utils.is_win32:
-	from waflib.Tools import md5_tstamp
-	import ctypes, ctypes.wintypes
-
-	FindFirstFile        = ctypes.windll.kernel32.FindFirstFileW
-	FindNextFile         = ctypes.windll.kernel32.FindNextFileW
-	FindClose            = ctypes.windll.kernel32.FindClose
-	FILE_ATTRIBUTE_DIRECTORY = 0x10
-	INVALID_HANDLE_VALUE = -1
-	UPPER_FOLDERS = ('.', '..')
-	try:
-		UPPER_FOLDERS = [unicode(x) for x in UPPER_FOLDERS]
-	except NameError:
-		pass
-
-	def cached_hash_file(self):
-		try:
-			cache = self.ctx.cache_listdir_cache_hash_file
-		except AttributeError:
-			cache = self.ctx.cache_listdir_cache_hash_file = {}
-
-		if id(self.parent) in cache:
-			try:
-				t = cache[id(self.parent)][self.name]
-			except KeyError:
-				raise IOError('Not a file')
-		else:
-			# an opportunity to list the files and the timestamps at once
-			findData = ctypes.wintypes.WIN32_FIND_DATAW()
-			find     = FindFirstFile(TP % self.parent.abspath(), ctypes.byref(findData))
-
-			if find == INVALID_HANDLE_VALUE:
-				cache[id(self.parent)] = {}
-				raise IOError('Not a file')
-
-			cache[id(self.parent)] = lst_files = {}
-			try:
-				while True:
-					if findData.cFileName not in UPPER_FOLDERS:
-						thatsadir = findData.dwFileAttributes & FILE_ATTRIBUTE_DIRECTORY
-						if not thatsadir:
-							ts = findData.ftLastWriteTime
-							d = (ts.dwLowDateTime << 32) | ts.dwHighDateTime
-							lst_files[str(findData.cFileName)] = d
-					if not FindNextFile(find, ctypes.byref(findData)):
-						break
-			except Exception:
-				cache[id(self.parent)] = {}
-				raise IOError('Not a file')
-			finally:
-				FindClose(find)
-			t = lst_files[self.name]
-
-		fname = self.abspath()
-		if fname in Build.hashes_md5_tstamp:
-			if Build.hashes_md5_tstamp[fname][0] == t:
-				return Build.hashes_md5_tstamp[fname][1]
-
-		try:
-			fd = os.open(fname, os.O_BINARY | os.O_RDONLY | os.O_NOINHERIT)
-		except OSError:
-			raise IOError('Cannot read from %r' % fname)
-		f = os.fdopen(fd, 'rb')
-		m = Utils.md5()
-		rb = 1
-		try:
-			while rb:
-				rb = f.read(200000)
-				m.update(rb)
-		finally:
-			f.close()
-
-		# ensure that the cache is overwritten
-		Build.hashes_md5_tstamp[fname] = (t, m.digest())
-		return m.digest()
-	Node.Node.cached_hash_file = cached_hash_file
-
-	def get_bld_sig_win32(self):
-		try:
-			return self.ctx.hash_cache[id(self)]
-		except KeyError:
-			pass
-		except AttributeError:
-			self.ctx.hash_cache = {}
-		self.ctx.hash_cache[id(self)] = ret = Utils.h_file(self.abspath())
-		return ret
-	Node.Node.get_bld_sig = get_bld_sig_win32
-
-	def isfile_cached(self):
-		# optimize for nt.stat calls, assuming there are many files for few folders
-		try:
-			cache = self.__class__.cache_isfile_cache
-		except AttributeError:
-			cache = self.__class__.cache_isfile_cache = {}
-
-		try:
-			c1 = cache[id(self.parent)]
-		except KeyError:
-			c1 = cache[id(self.parent)] = []
-
-			curpath = self.parent.abspath()
-			findData = ctypes.wintypes.WIN32_FIND_DATAW()
-			find     = FindFirstFile(TP % curpath, ctypes.byref(findData))
-
-			if find == INVALID_HANDLE_VALUE:
-				Logs.error("invalid win32 handle isfile_cached %r", self.abspath())
-				return os.path.isfile(self.abspath())
-
-			try:
-				while True:
-					if findData.cFileName not in UPPER_FOLDERS:
-						thatsadir = findData.dwFileAttributes & FILE_ATTRIBUTE_DIRECTORY
-						if not thatsadir:
-							c1.append(str(findData.cFileName))
-					if not FindNextFile(find, ctypes.byref(findData)):
-						break
-			except Exception as e:
-				Logs.error('exception while listing a folder %r %r', self.abspath(), e)
-				return os.path.isfile(self.abspath())
-			finally:
-				FindClose(find)
-		return self.name in c1
-	Node.Node.isfile_cached = isfile_cached
-
-	def find_or_declare_win32(self, lst):
-		# assuming that "find_or_declare" is called before the build starts, remove the calls to os.path.isfile
-		if isinstance(lst, str):
-			lst = [x for x in Utils.split_path(lst) if x and x != '.']
-
-		node = self.get_bld().search_node(lst)
-		if node:
-			if not node.isfile_cached():
-				try:
-					node.parent.mkdir()
-				except OSError:
-					pass
-			return node
-		self = self.get_src()
-		node = self.find_node(lst)
-		if node:
-			if not node.isfile_cached():
-				try:
-					node.parent.mkdir()
-				except OSError:
-					pass
-			return node
-		node = self.get_bld().make_node(lst)
-		node.parent.mkdir()
-		return node
-	Node.Node.find_or_declare = find_or_declare_win32
-
diff --git a/waflib/extras/wix.py b/waflib/extras/wix.py
deleted file mode 100644
index d87bfbb1..00000000
--- a/waflib/extras/wix.py
+++ /dev/null
@@ -1,87 +0,0 @@
-#!/usr/bin/python
-# encoding: utf-8
-# vim: tabstop=4 noexpandtab
-
-"""
-Windows Installer XML Tool (WiX)
-
-.wxs --- candle ---> .wxobj --- light ---> .msi
-
-bld(features='wix', some.wxs, gen='some.msi', candleflags=[..], lightflags=[..])
-
-bld(features='wix', source=['bundle.wxs','WixBalExtension'], gen='setup.exe', candleflags=[..])
-"""
-
-import os, copy
-from waflib import TaskGen
-from waflib import Task
-from waflib.Utils import winreg
-
-class candle(Task.Task):
-	run_str = '${CANDLE} -nologo ${CANDLEFLAGS} -out ${TGT} ${SRC[0].abspath()}',
-
-class light(Task.Task):
-	run_str = "${LIGHT} -nologo -b ${SRC[0].parent.abspath()} ${LIGHTFLAGS} -out ${TGT} ${SRC[0].abspath()}"
-
-@TaskGen.feature('wix')
-@TaskGen.before_method('process_source')
-def wix(self):
-	#X.wxs -> ${SRC} for CANDLE
-	#X.wxobj -> ${SRC} for LIGHT
-	#X.dll -> -ext X in ${LIGHTFLAGS}
-	#X.wxl -> wixui.wixlib -loc X.wxl in ${LIGHTFLAGS}
-	wxobj = []
-	wxs = []
-	exts = []
-	wxl = []
-	rest = []
-	for x in self.source:
-		if x.endswith('.wxobj'):
-			wxobj.append(x)
-		elif x.endswith('.wxs'):
-			wxobj.append(self.path.find_or_declare(x[:-4]+'.wxobj'))
-			wxs.append(x)
-		elif x.endswith('.dll'):
-			exts.append(x[:-4])
-		elif '.' not in x:
-			exts.append(x)
-		elif x.endswith('.wxl'):
-			wxl.append(x)
-		else:
-			rest.append(x)
-	self.source = self.to_nodes(rest) #.wxs
-
-	cndl = self.create_task('candle', self.to_nodes(wxs), self.to_nodes(wxobj))
-	lght = self.create_task('light', self.to_nodes(wxobj), self.path.find_or_declare(self.gen))
-
-	cndl.env.CANDLEFLAGS = copy.copy(getattr(self,'candleflags',[]))
-	lght.env.LIGHTFLAGS = copy.copy(getattr(self,'lightflags',[]))
-
-	for x in wxl:
-		lght.env.append_value('LIGHTFLAGS','wixui.wixlib')
-		lght.env.append_value('LIGHTFLAGS','-loc')
-		lght.env.append_value('LIGHTFLAGS',x)
-	for x in exts:
-		cndl.env.append_value('CANDLEFLAGS','-ext')
-		cndl.env.append_value('CANDLEFLAGS',x)
-		lght.env.append_value('LIGHTFLAGS','-ext')
-		lght.env.append_value('LIGHTFLAGS',x)
-
-#wix_bin_path()
-def wix_bin_path():
-	basekey = r"SOFTWARE\Microsoft\.NETFramework\AssemblyFolders"
-	query = winreg.OpenKey(winreg.HKEY_LOCAL_MACHINE, basekey)
-	cnt=winreg.QueryInfoKey(query)[0]
-	thiskey = r'C:\Program Files (x86)\WiX Toolset v3.10\SDK'
-	for i in range(cnt-1,-1,-1):
-		thiskey = winreg.EnumKey(query,i)
-		if 'WiX' in thiskey:
-			break
-	winreg.CloseKey(query)
-	return os.path.normpath(winreg.QueryValue(winreg.HKEY_LOCAL_MACHINE, basekey+r'\\'+thiskey)+'..\\bin')
-
-def configure(ctx):
-	path_list=[wix_bin_path()]
-	ctx.find_program('candle', var='CANDLE', mandatory=True, path_list = path_list)
-	ctx.find_program('light', var='LIGHT', mandatory=True, path_list = path_list)
-
diff --git a/waflib/extras/xcode6.py b/waflib/extras/xcode6.py
deleted file mode 100644
index 91bbff18..00000000
--- a/waflib/extras/xcode6.py
+++ /dev/null
@@ -1,727 +0,0 @@
-#! /usr/bin/env python
-# encoding: utf-8
-# XCode 3/XCode 4/XCode 6/Xcode 7 generator for Waf
-# Based on work by Nicolas Mercier 2011
-# Extended by Simon Warg 2015, https://github.com/mimon
-# XCode project file format based on http://www.monobjc.net/xcode-project-file-format.html
-
-"""
-See playground/xcode6/ for usage examples.
-
-"""
-
-from waflib import Context, TaskGen, Build, Utils, Errors, Logs
-import os, sys
-
-# FIXME too few extensions
-XCODE_EXTS = ['.c', '.cpp', '.m', '.mm']
-
-HEADERS_GLOB = '**/(*.h|*.hpp|*.H|*.inl)'
-
-MAP_EXT = {
-	'': "folder",
-	'.h' :  "sourcecode.c.h",
-
-	'.hh':  "sourcecode.cpp.h",
-	'.inl': "sourcecode.cpp.h",
-	'.hpp': "sourcecode.cpp.h",
-
-	'.c':   "sourcecode.c.c",
-
-	'.m':   "sourcecode.c.objc",
-
-	'.mm':  "sourcecode.cpp.objcpp",
-
-	'.cc':  "sourcecode.cpp.cpp",
-
-	'.cpp': "sourcecode.cpp.cpp",
-	'.C':   "sourcecode.cpp.cpp",
-	'.cxx': "sourcecode.cpp.cpp",
-	'.c++': "sourcecode.cpp.cpp",
-
-	'.l':   "sourcecode.lex", # luthor
-	'.ll':  "sourcecode.lex",
-
-	'.y':   "sourcecode.yacc",
-	'.yy':  "sourcecode.yacc",
-
-	'.plist': "text.plist.xml",
-	".nib":   "wrapper.nib",
-	".xib":   "text.xib",
-}
-
-# Used in PBXNativeTarget elements
-PRODUCT_TYPE_APPLICATION = 'com.apple.product-type.application'
-PRODUCT_TYPE_FRAMEWORK = 'com.apple.product-type.framework'
-PRODUCT_TYPE_EXECUTABLE = 'com.apple.product-type.tool'
-PRODUCT_TYPE_LIB_STATIC = 'com.apple.product-type.library.static'
-PRODUCT_TYPE_LIB_DYNAMIC = 'com.apple.product-type.library.dynamic'
-PRODUCT_TYPE_EXTENSION = 'com.apple.product-type.kernel-extension'
-PRODUCT_TYPE_IOKIT = 'com.apple.product-type.kernel-extension.iokit'
-
-# Used in PBXFileReference elements
-FILE_TYPE_APPLICATION = 'wrapper.cfbundle'
-FILE_TYPE_FRAMEWORK = 'wrapper.framework'
-FILE_TYPE_LIB_DYNAMIC = 'compiled.mach-o.dylib'
-FILE_TYPE_LIB_STATIC = 'archive.ar'
-FILE_TYPE_EXECUTABLE = 'compiled.mach-o.executable'
-
-# Tuple packs of the above
-TARGET_TYPE_FRAMEWORK = (PRODUCT_TYPE_FRAMEWORK, FILE_TYPE_FRAMEWORK, '.framework')
-TARGET_TYPE_APPLICATION = (PRODUCT_TYPE_APPLICATION, FILE_TYPE_APPLICATION, '.app')
-TARGET_TYPE_DYNAMIC_LIB = (PRODUCT_TYPE_LIB_DYNAMIC, FILE_TYPE_LIB_DYNAMIC, '.dylib')
-TARGET_TYPE_STATIC_LIB = (PRODUCT_TYPE_LIB_STATIC, FILE_TYPE_LIB_STATIC, '.a')
-TARGET_TYPE_EXECUTABLE = (PRODUCT_TYPE_EXECUTABLE, FILE_TYPE_EXECUTABLE, '')
-
-# Maps target type string to its data
-TARGET_TYPES = {
-	'framework': TARGET_TYPE_FRAMEWORK,
-	'app': TARGET_TYPE_APPLICATION,
-	'dylib': TARGET_TYPE_DYNAMIC_LIB,
-	'stlib': TARGET_TYPE_STATIC_LIB,
-	'exe' :TARGET_TYPE_EXECUTABLE,
-}
-
-def delete_invalid_values(dct):
-	""" Deletes entries that are dictionaries or sets """
-	for k, v in list(dct.items()):
-		if isinstance(v, dict) or isinstance(v, set):
-			del dct[k]
-	return dct
-
-"""
-Configuration of the global project settings. Sets an environment variable 'PROJ_CONFIGURATION'
-which is a dictionary of configuration name and buildsettings pair.
-E.g.:
-env.PROJ_CONFIGURATION = {
-	'Debug': {
-		'ARCHS': 'x86',
-		...
-	}
-	'Release': {
-		'ARCHS' x86_64'
-		...
-	}
-}
-The user can define a completely customized dictionary in configure() stage. Otherwise a default Debug/Release will be created
-based on env variable
-"""
-def configure(self):
-	if not self.env.PROJ_CONFIGURATION:
-		self.to_log("A default project configuration was created since no custom one was given in the configure(conf) stage. Define your custom project settings by adding PROJ_CONFIGURATION to env. The env.PROJ_CONFIGURATION must be a dictionary with at least one key, where each key is the configuration name, and the value is a dictionary of key/value settings.\n")
-
-	# Check for any added config files added by the tool 'c_config'.
-	if 'cfg_files' in self.env:
-		self.env.INCLUDES = Utils.to_list(self.env.INCLUDES) + [os.path.abspath(os.path.dirname(f)) for f in self.env.cfg_files]
-
-	# Create default project configuration?
-	if 'PROJ_CONFIGURATION' not in self.env:
-		defaults = delete_invalid_values(self.env.get_merged_dict())
-		self.env.PROJ_CONFIGURATION = {
-			"Debug": defaults,
-			"Release": defaults,
-		}
-
-	# Some build settings are required to be present by XCode. We will supply default values
-	# if user hasn't defined any.
-	defaults_required = [('PRODUCT_NAME', '$(TARGET_NAME)')]
-	for cfgname,settings in self.env.PROJ_CONFIGURATION.items():
-		for default_var, default_val in defaults_required:
-			if default_var not in settings:
-				settings[default_var] = default_val
-
-	# Error check customization
-	if not isinstance(self.env.PROJ_CONFIGURATION, dict):
-		raise Errors.ConfigurationError("The env.PROJ_CONFIGURATION must be a dictionary with at least one key, where each key is the configuration name, and the value is a dictionary of key/value settings.")
-
-part1 = 0
-part2 = 10000
-part3 = 0
-id = 562000999
-def newid():
-	global id
-	id += 1
-	return "%04X%04X%04X%012d" % (0, 10000, 0, id)
-
-"""
-Represents a tree node in the XCode project plist file format.
-When written to a file, all attributes of XCodeNode are stringified together with
-its value. However, attributes starting with an underscore _ are ignored
-during that process and allows you to store arbitrary values that are not supposed
-to be written out.
-"""
-class XCodeNode(object):
-	def __init__(self):
-		self._id = newid()
-		self._been_written = False
-
-	def tostring(self, value):
-		if isinstance(value, dict):
-			result = "{\n"
-			for k,v in value.items():
-				result = result + "\t\t\t%s = %s;\n" % (k, self.tostring(v))
-			result = result + "\t\t}"
-			return result
-		elif isinstance(value, str):
-			return "\"%s\"" % value
-		elif isinstance(value, list):
-			result = "(\n"
-			for i in value:
-				result = result + "\t\t\t%s,\n" % self.tostring(i)
-			result = result + "\t\t)"
-			return result
-		elif isinstance(value, XCodeNode):
-			return value._id
-		else:
-			return str(value)
-
-	def write_recursive(self, value, file):
-		if isinstance(value, dict):
-			for k,v in value.items():
-				self.write_recursive(v, file)
-		elif isinstance(value, list):
-			for i in value:
-				self.write_recursive(i, file)
-		elif isinstance(value, XCodeNode):
-			value.write(file)
-
-	def write(self, file):
-		if not self._been_written:
-			self._been_written = True
-			for attribute,value in self.__dict__.items():
-				if attribute[0] != '_':
-					self.write_recursive(value, file)
-			w = file.write
-			w("\t%s = {\n" % self._id)
-			w("\t\tisa = %s;\n" % self.__class__.__name__)
-			for attribute,value in self.__dict__.items():
-				if attribute[0] != '_':
-					w("\t\t%s = %s;\n" % (attribute, self.tostring(value)))
-			w("\t};\n\n")
-
-# Configurations
-class XCBuildConfiguration(XCodeNode):
-	def __init__(self, name, settings = {}, env=None):
-		XCodeNode.__init__(self)
-		self.baseConfigurationReference = ""
-		self.buildSettings = settings
-		self.name = name
-		if env and env.ARCH:
-			settings['ARCHS'] = " ".join(env.ARCH)
-
-
-class XCConfigurationList(XCodeNode):
-	def __init__(self, configlst):
-		""" :param configlst: list of XCConfigurationList """
-		XCodeNode.__init__(self)
-		self.buildConfigurations = configlst
-		self.defaultConfigurationIsVisible = 0
-		self.defaultConfigurationName = configlst and configlst[0].name or ""
-
-# Group/Files
-class PBXFileReference(XCodeNode):
-	def __init__(self, name, path, filetype = '', sourcetree = "SOURCE_ROOT"):
-
-		XCodeNode.__init__(self)
-		self.fileEncoding = 4
-		if not filetype:
-			_, ext = os.path.splitext(name)
-			filetype = MAP_EXT.get(ext, 'text')
-		self.lastKnownFileType = filetype
-		self.explicitFileType = filetype
-		self.name = name
-		self.path = path
-		self.sourceTree = sourcetree
-
-	def __hash__(self):
-		return (self.path+self.name).__hash__()
-
-	def __eq__(self, other):
-		return (self.path, self.name) == (other.path, other.name)
-
-class PBXBuildFile(XCodeNode):
-	""" This element indicate a file reference that is used in a PBXBuildPhase (either as an include or resource). """
-	def __init__(self, fileRef, settings={}):
-		XCodeNode.__init__(self)
-
-		# fileRef is a reference to a PBXFileReference object
-		self.fileRef = fileRef
-
-		# A map of key/value pairs for additional settings.
-		self.settings = settings
-
-	def __hash__(self):
-		return (self.fileRef).__hash__()
-
-	def __eq__(self, other):
-		return self.fileRef == other.fileRef
-
-class PBXGroup(XCodeNode):
-	def __init__(self, name, sourcetree = 'SOURCE_TREE'):
-		XCodeNode.__init__(self)
-		self.children = []
-		self.name = name
-		self.sourceTree = sourcetree
-
-		# Maintain a lookup table for all PBXFileReferences
-		# that are contained in this group.
-		self._filerefs = {}
-
-	def add(self, sources):
-		"""
-		Add a list of PBXFileReferences to this group
-
-		:param sources: list of PBXFileReferences objects
-		"""
-		self._filerefs.update(dict(zip(sources, sources)))
-		self.children.extend(sources)
-
-	def get_sub_groups(self):
-		"""
-		Returns all child PBXGroup objects contained in this group
-		"""
-		return list(filter(lambda x: isinstance(x, PBXGroup), self.children))
-
-	def find_fileref(self, fileref):
-		"""
-		Recursively search this group for an existing PBXFileReference. Returns None
-		if none were found.
-
-		The reason you'd want to reuse existing PBXFileReferences from a PBXGroup is that XCode doesn't like PBXFileReferences that aren't part of a PBXGroup hierarchy.
-		If it isn't, the consequence is that certain UI features like 'Reveal in Finder'
-		stops working.
-		"""
-		if fileref in self._filerefs:
-			return self._filerefs[fileref]
-		elif self.children:
-			for childgroup in self.get_sub_groups():
-				f = childgroup.find_fileref(fileref)
-				if f:
-					return f
-		return None
-
-class PBXContainerItemProxy(XCodeNode):
-	""" This is the element for to decorate a target item. """
-	def __init__(self, containerPortal, remoteGlobalIDString, remoteInfo='', proxyType=1):
-		XCodeNode.__init__(self)
-		self.containerPortal = containerPortal # PBXProject
-		self.remoteGlobalIDString = remoteGlobalIDString # PBXNativeTarget
-		self.remoteInfo = remoteInfo # Target name
-		self.proxyType = proxyType
-
-class PBXTargetDependency(XCodeNode):
-	""" This is the element for referencing other target through content proxies. """
-	def __init__(self, native_target, proxy):
-		XCodeNode.__init__(self)
-		self.target = native_target
-		self.targetProxy = proxy
-
-class PBXFrameworksBuildPhase(XCodeNode):
-	""" This is the element for the framework link build phase, i.e. linking to frameworks """
-	def __init__(self, pbxbuildfiles):
-		XCodeNode.__init__(self)
-		self.buildActionMask = 2147483647
-		self.runOnlyForDeploymentPostprocessing = 0
-		self.files = pbxbuildfiles #List of PBXBuildFile (.o, .framework, .dylib)
-
-class PBXHeadersBuildPhase(XCodeNode):
-	""" This is the element for adding header files to be packaged into the .framework """
-	def __init__(self, pbxbuildfiles):
-		XCodeNode.__init__(self)
-		self.buildActionMask = 2147483647
-		self.runOnlyForDeploymentPostprocessing = 0
-		self.files = pbxbuildfiles #List of PBXBuildFile (.o, .framework, .dylib)
-
-class PBXCopyFilesBuildPhase(XCodeNode):
-	"""
-	Represents the PBXCopyFilesBuildPhase section. PBXBuildFile
-	can be added to this node to copy files after build is done.
-	"""
-	def __init__(self, pbxbuildfiles, dstpath, dstSubpathSpec=0, *args, **kwargs):
-			XCodeNode.__init__(self)
-			self.files = pbxbuildfiles
-			self.dstPath = dstpath
-			self.dstSubfolderSpec = dstSubpathSpec
-
-class PBXSourcesBuildPhase(XCodeNode):
-	""" Represents the 'Compile Sources' build phase in a Xcode target """
-	def __init__(self, buildfiles):
-		XCodeNode.__init__(self)
-		self.files = buildfiles # List of PBXBuildFile objects
-
-class PBXLegacyTarget(XCodeNode):
-	def __init__(self, action, target=''):
-		XCodeNode.__init__(self)
-		self.buildConfigurationList = XCConfigurationList([XCBuildConfiguration('waf', {})])
-		if not target:
-			self.buildArgumentsString = "%s %s" % (sys.argv[0], action)
-		else:
-			self.buildArgumentsString = "%s %s --targets=%s" % (sys.argv[0], action, target)
-		self.buildPhases = []
-		self.buildToolPath = sys.executable
-		self.buildWorkingDirectory = ""
-		self.dependencies = []
-		self.name = target or action
-		self.productName = target or action
-		self.passBuildSettingsInEnvironment = 0
-
-class PBXShellScriptBuildPhase(XCodeNode):
-	def __init__(self, action, target):
-		XCodeNode.__init__(self)
-		self.buildActionMask = 2147483647
-		self.files = []
-		self.inputPaths = []
-		self.outputPaths = []
-		self.runOnlyForDeploymentPostProcessing = 0
-		self.shellPath = "/bin/sh"
-		self.shellScript = "%s %s %s --targets=%s" % (sys.executable, sys.argv[0], action, target)
-
-class PBXNativeTarget(XCodeNode):
-	""" Represents a target in XCode, e.g. App, DyLib, Framework etc. """
-	def __init__(self, target, node, target_type=TARGET_TYPE_APPLICATION, configlist=[], buildphases=[]):
-		XCodeNode.__init__(self)
-		product_type = target_type[0]
-		file_type = target_type[1]
-
-		self.buildConfigurationList = XCConfigurationList(configlist)
-		self.buildPhases = buildphases
-		self.buildRules = []
-		self.dependencies = []
-		self.name = target
-		self.productName = target
-		self.productType = product_type # See TARGET_TYPE_ tuples constants
-		self.productReference = PBXFileReference(node.name, node.abspath(), file_type, '')
-
-	def add_configuration(self, cf):
-		""" :type cf: XCBuildConfiguration """
-		self.buildConfigurationList.buildConfigurations.append(cf)
-
-	def add_build_phase(self, phase):
-		# Some build phase types may appear only once. If a phase type already exists, then merge them.
-		if ( (phase.__class__ == PBXFrameworksBuildPhase)
-			or (phase.__class__ == PBXSourcesBuildPhase) ):
-			for b in self.buildPhases:
-				if b.__class__ == phase.__class__:
-					b.files.extend(phase.files)
-					return
-		self.buildPhases.append(phase)
-
-	def add_dependency(self, depnd):
-		self.dependencies.append(depnd)
-
-# Root project object
-class PBXProject(XCodeNode):
-	def __init__(self, name, version, env):
-		XCodeNode.__init__(self)
-
-		if not isinstance(env.PROJ_CONFIGURATION, dict):
-			raise Errors.WafError("Error: env.PROJ_CONFIGURATION must be a dictionary. This is done for you if you do not define one yourself. However, did you load the xcode module at the end of your wscript configure() ?")
-
-		# Retrieve project configuration
-		configurations = []
-		for config_name, settings in env.PROJ_CONFIGURATION.items():
-			cf = XCBuildConfiguration(config_name, settings)
-			configurations.append(cf)
-
-		self.buildConfigurationList = XCConfigurationList(configurations)
-		self.compatibilityVersion = version[0]
-		self.hasScannedForEncodings = 1
-		self.mainGroup = PBXGroup(name)
-		self.projectRoot = ""
-		self.projectDirPath = ""
-		self.targets = []
-		self._objectVersion = version[1]
-
-	def create_target_dependency(self, target, name):
-		""" : param target : PXBNativeTarget """
-		proxy = PBXContainerItemProxy(self, target, name)
-		dependency = PBXTargetDependency(target, proxy)
-		return dependency
-
-	def write(self, file):
-
-		# Make sure this is written only once
-		if self._been_written:
-			return
-
-		w = file.write
-		w("// !$*UTF8*$!\n")
-		w("{\n")
-		w("\tarchiveVersion = 1;\n")
-		w("\tclasses = {\n")
-		w("\t};\n")
-		w("\tobjectVersion = %d;\n" % self._objectVersion)
-		w("\tobjects = {\n\n")
-
-		XCodeNode.write(self, file)
-
-		w("\t};\n")
-		w("\trootObject = %s;\n" % self._id)
-		w("}\n")
-
-	def add_target(self, target):
-		self.targets.append(target)
-
-	def get_target(self, name):
-		""" Get a reference to PBXNativeTarget if it exists """
-		for t in self.targets:
-			if t.name == name:
-				return t
-		return None
-
-@TaskGen.feature('c', 'cxx')
-@TaskGen.after('propagate_uselib_vars', 'apply_incpaths')
-def process_xcode(self):
-	bld = self.bld
-	try:
-		p = bld.project
-	except AttributeError:
-		return
-
-	if not hasattr(self, 'target_type'):
-		return
-
-	products_group = bld.products_group
-
-	target_group = PBXGroup(self.name)
-	p.mainGroup.children.append(target_group)
-
-	# Determine what type to build - framework, app bundle etc.
-	target_type = getattr(self, 'target_type', 'app')
-	if target_type not in TARGET_TYPES:
-		raise Errors.WafError("Target type '%s' does not exists. Available options are '%s'. In target '%s'" % (target_type, "', '".join(TARGET_TYPES.keys()), self.name))
-	else:
-		target_type = TARGET_TYPES[target_type]
-	file_ext = target_type[2]
-
-	# Create the output node
-	target_node = self.path.find_or_declare(self.name+file_ext)
-	target = PBXNativeTarget(self.name, target_node, target_type, [], [])
-
-	products_group.children.append(target.productReference)
-
-	# Pull source files from the 'source' attribute and assign them to a UI group.
-	# Use a default UI group named 'Source' unless the user
-	# provides a 'group_files' dictionary to customize the UI grouping.
-	sources = getattr(self, 'source', [])
-	if hasattr(self, 'group_files'):
-		group_files = getattr(self, 'group_files', [])
-		for grpname,files in group_files.items():
-			group = bld.create_group(grpname, files)
-			target_group.children.append(group)
-	else:
-		group = bld.create_group('Source', sources)
-		target_group.children.append(group)
-
-	# Create a PBXFileReference for each source file.
-	# If the source file already exists as a PBXFileReference in any of the UI groups, then
-	# reuse that PBXFileReference object (XCode does not like it if we don't reuse)
-	for idx, path in enumerate(sources):
-		fileref = PBXFileReference(path.name, path.abspath())
-		existing_fileref = target_group.find_fileref(fileref)
-		if existing_fileref:
-			sources[idx] = existing_fileref
-		else:
-			sources[idx] = fileref
-
-	# If the 'source' attribute contains any file extension that XCode can't work with,
-	# then remove it. The allowed file extensions are defined in XCODE_EXTS.
-	is_valid_file_extension = lambda file: os.path.splitext(file.path)[1] in XCODE_EXTS
-	sources = list(filter(is_valid_file_extension, sources))
-
-	buildfiles = [bld.unique_buildfile(PBXBuildFile(x)) for x in sources]
-	target.add_build_phase(PBXSourcesBuildPhase(buildfiles))
-
-	# Check if any framework to link against is some other target we've made
-	libs = getattr(self, 'tmp_use_seen', [])
-	for lib in libs:
-		use_target = p.get_target(lib)
-		if use_target:
-			# Create an XCode dependency so that XCode knows to build the other target before this target
-			dependency = p.create_target_dependency(use_target, use_target.name)
-			target.add_dependency(dependency)
-
-			buildphase = PBXFrameworksBuildPhase([PBXBuildFile(use_target.productReference)])
-			target.add_build_phase(buildphase)
-			if lib in self.env.LIB:
-				self.env.LIB = list(filter(lambda x: x != lib, self.env.LIB))
-
-	# If 'export_headers' is present, add files to the Headers build phase in xcode.
-	# These are files that'll get packed into the Framework for instance.
-	exp_hdrs = getattr(self, 'export_headers', [])
-	hdrs = bld.as_nodes(Utils.to_list(exp_hdrs))
-	files = [p.mainGroup.find_fileref(PBXFileReference(n.name, n.abspath())) for n in hdrs]
-	files = [PBXBuildFile(f, {'ATTRIBUTES': ('Public',)}) for f in files]
-	buildphase = PBXHeadersBuildPhase(files)
-	target.add_build_phase(buildphase)
-
-	# Merge frameworks and libs into one list, and prefix the frameworks
-	frameworks = Utils.to_list(self.env.FRAMEWORK)
-	frameworks = ' '.join(['-framework %s' % (f.split('.framework')[0]) for f in frameworks])
-
-	libs = Utils.to_list(self.env.STLIB) + Utils.to_list(self.env.LIB)
-	libs = ' '.join(bld.env['STLIB_ST'] % t for t in libs)
-
-	# Override target specific build settings
-	bldsettings = {
-		'HEADER_SEARCH_PATHS': ['$(inherited)'] + self.env['INCPATHS'],
-		'LIBRARY_SEARCH_PATHS': ['$(inherited)'] + Utils.to_list(self.env.LIBPATH) + Utils.to_list(self.env.STLIBPATH) + Utils.to_list(self.env.LIBDIR) ,
-		'FRAMEWORK_SEARCH_PATHS': ['$(inherited)'] + Utils.to_list(self.env.FRAMEWORKPATH),
-		'OTHER_LDFLAGS': libs + ' ' + frameworks,
-		'OTHER_LIBTOOLFLAGS': bld.env['LINKFLAGS'],
-		'OTHER_CPLUSPLUSFLAGS': Utils.to_list(self.env['CXXFLAGS']),
-		'OTHER_CFLAGS': Utils.to_list(self.env['CFLAGS']),
-		'INSTALL_PATH': []
-	}
-
-	# Install path
-	installpaths = Utils.to_list(getattr(self, 'install', []))
-	prodbuildfile = PBXBuildFile(target.productReference)
-	for instpath in installpaths:
-		bldsettings['INSTALL_PATH'].append(instpath)
-		target.add_build_phase(PBXCopyFilesBuildPhase([prodbuildfile], instpath))
-
-	if not bldsettings['INSTALL_PATH']:
-		del bldsettings['INSTALL_PATH']
-
-	# Create build settings which can override the project settings. Defaults to none if user
-	# did not pass argument. This will be filled up with target specific
-	# search paths, libs to link etc.
-	settings = getattr(self, 'settings', {})
-
-	# The keys represents different build configuration, e.g. Debug, Release and so on..
-	# Insert our generated build settings to all configuration names
-	keys = set(settings.keys() + bld.env.PROJ_CONFIGURATION.keys())
-	for k in keys:
-		if k in settings:
-			settings[k].update(bldsettings)
-		else:
-			settings[k] = bldsettings
-
-	for k,v in settings.items():
-		target.add_configuration(XCBuildConfiguration(k, v))
-
-	p.add_target(target)
-
-
-class xcode(Build.BuildContext):
-	cmd = 'xcode6'
-	fun = 'build'
-
-	def as_nodes(self, files):
-		""" Returns a list of waflib.Nodes from a list of string of file paths """
-		nodes = []
-		for x in files:
-			if not isinstance(x, str):
-				d = x
-			else:
-				d = self.srcnode.find_node(x)
-				if not d:
-					raise Errors.WafError('File \'%s\' was not found' % x)
-			nodes.append(d)
-		return nodes
-
-	def create_group(self, name, files):
-		"""
-		Returns a new PBXGroup containing the files (paths) passed in the files arg
-		:type files: string
-		"""
-		group = PBXGroup(name)
-		"""
-		Do not use unique file reference here, since XCode seem to allow only one file reference
-		to be referenced by a group.
-		"""
-		files_ = []
-		for d in self.as_nodes(Utils.to_list(files)):
-			fileref = PBXFileReference(d.name, d.abspath())
-			files_.append(fileref)
-		group.add(files_)
-		return group
-
-	def unique_buildfile(self, buildfile):
-		"""
-		Returns a unique buildfile, possibly an existing one.
-		Use this after you've constructed a PBXBuildFile to make sure there is
-		only one PBXBuildFile for the same file in the same project.
-		"""
-		try:
-			build_files = self.build_files
-		except AttributeError:
-			build_files = self.build_files = {}
-
-		if buildfile not in build_files:
-			build_files[buildfile] = buildfile
-		return build_files[buildfile]
-
-	def execute(self):
-		"""
-		Entry point
-		"""
-		self.restore()
-		if not self.all_envs:
-			self.load_envs()
-		self.recurse([self.run_dir])
-
-		appname = getattr(Context.g_module, Context.APPNAME, os.path.basename(self.srcnode.abspath()))
-
-		p = PBXProject(appname, ('Xcode 3.2', 46), self.env)
-
-		# If we don't create a Products group, then
-		# XCode will create one, which entails that
-		# we'll start to see duplicate files in the UI
-		# for some reason.
-		products_group = PBXGroup('Products')
-		p.mainGroup.children.append(products_group)
-
-		self.project = p
-		self.products_group = products_group
-
-		# post all task generators
-		# the process_xcode method above will be called for each target
-		if self.targets and self.targets != '*':
-			(self._min_grp, self._exact_tg) = self.get_targets()
-
-		self.current_group = 0
-		while self.current_group < len(self.groups):
-			self.post_group()
-			self.current_group += 1
-
-		node = self.bldnode.make_node('%s.xcodeproj' % appname)
-		node.mkdir()
-		node = node.make_node('project.pbxproj')
-		with open(node.abspath(), 'w') as f:
-			p.write(f)
-		Logs.pprint('GREEN', 'Wrote %r' % node.abspath())
-
-def bind_fun(tgtype):
-	def fun(self, *k, **kw):
-		tgtype = fun.__name__
-		if tgtype == 'shlib' or tgtype == 'dylib':
-			features = 'cxx cxxshlib'
-			tgtype = 'dylib'
-		elif tgtype == 'framework':
-			features = 'cxx cxxshlib'
-			tgtype = 'framework'
-		elif tgtype == 'program':
-			features = 'cxx cxxprogram'
-			tgtype = 'exe'
-		elif tgtype == 'app':
-			features = 'cxx cxxprogram'
-			tgtype = 'app'
-		elif tgtype == 'stlib':
-			features = 'cxx cxxstlib'
-			tgtype = 'stlib'
-		lst = kw['features'] = Utils.to_list(kw.get('features', []))
-		for x in features.split():
-			if not x in kw['features']:
-				lst.append(x)
-
-		kw['target_type'] = tgtype
-		return self(*k, **kw)
-	fun.__name__ = tgtype
-	setattr(Build.BuildContext, tgtype, fun)
-	return fun
-
-for xx in 'app framework dylib shlib stlib program'.split():
-	bind_fun(xx)
-
diff --git a/waflib/fixpy2.py b/waflib/fixpy2.py
deleted file mode 100644
index 24176e06..00000000
--- a/waflib/fixpy2.py
+++ /dev/null
@@ -1,64 +0,0 @@
-#!/usr/bin/env python
-# encoding: utf-8
-# Thomas Nagy, 2010-2018 (ita)
-
-from __future__ import with_statement
-
-import os
-
-all_modifs = {}
-
-def fixdir(dir):
-	"""Call all substitution functions on Waf folders"""
-	for k in all_modifs:
-		for v in all_modifs[k]:
-			modif(os.path.join(dir, 'waflib'), k, v)
-
-def modif(dir, name, fun):
-	"""Call a substitution function"""
-	if name == '*':
-		lst = []
-		for y in '. Tools extras'.split():
-			for x in os.listdir(os.path.join(dir, y)):
-				if x.endswith('.py'):
-					lst.append(y + os.sep + x)
-		for x in lst:
-			modif(dir, x, fun)
-		return
-
-	filename = os.path.join(dir, name)
-	with open(filename, 'r') as f:
-		txt = f.read()
-
-	txt = fun(txt)
-
-	with open(filename, 'w') as f:
-		f.write(txt)
-
-def subst(*k):
-	"""register a substitution function"""
-	def do_subst(fun):
-		for x in k:
-			try:
-				all_modifs[x].append(fun)
-			except KeyError:
-				all_modifs[x] = [fun]
-		return fun
-	return do_subst
-
-@subst('*')
-def r1(code):
-	"utf-8 fixes for python < 2.6"
-	code = code.replace('as e:', ',e:')
-	code = code.replace(".decode(sys.stdout.encoding or'latin-1',errors='replace')", '')
-	return code.replace('.encode()', '')
-
-@subst('Runner.py')
-def r4(code):
-	"generator syntax"
-	return code.replace('next(self.biter)', 'self.biter.next()')
-
-@subst('Context.py')
-def r5(code):
-	return code.replace("('Execution failure: %s'%str(e),ex=e)", "('Execution failure: %s'%str(e),ex=e),None,sys.exc_info()[2]")
-
diff --git a/waflib/processor.py b/waflib/processor.py
deleted file mode 100755
index 2eecf3bd..00000000
--- a/waflib/processor.py
+++ /dev/null
@@ -1,64 +0,0 @@
-#! /usr/bin/env python
-# encoding: utf-8
-# Thomas Nagy, 2016-2018 (ita)
-
-import os, sys, traceback, base64, signal
-try:
-	import cPickle
-except ImportError:
-	import pickle as cPickle
-
-try:
-	import subprocess32 as subprocess
-except ImportError:
-	import subprocess
-
-try:
-	TimeoutExpired = subprocess.TimeoutExpired
-except AttributeError:
-	class TimeoutExpired(Exception):
-		pass
-
-def run():
-	txt = sys.stdin.readline().strip()
-	if not txt:
-		# parent process probably ended
-		sys.exit(1)
-	[cmd, kwargs, cargs] = cPickle.loads(base64.b64decode(txt))
-	cargs = cargs or {}
-
-	ret = 1
-	out, err, ex, trace = (None, None, None, None)
-	try:
-		proc = subprocess.Popen(cmd, **kwargs)
-		try:
-			out, err = proc.communicate(**cargs)
-		except TimeoutExpired:
-			if kwargs.get('start_new_session') and hasattr(os, 'killpg'):
-				os.killpg(proc.pid, signal.SIGKILL)
-			else:
-				proc.kill()
-			out, err = proc.communicate()
-			exc = TimeoutExpired(proc.args, timeout=cargs['timeout'], output=out)
-			exc.stderr = err
-			raise exc
-		ret = proc.returncode
-	except Exception as e:
-		exc_type, exc_value, tb = sys.exc_info()
-		exc_lines = traceback.format_exception(exc_type, exc_value, tb)
-		trace = str(cmd) + '\n' + ''.join(exc_lines)
-		ex = e.__class__.__name__
-
-	# it is just text so maybe we do not need to pickle()
-	tmp = [ret, out, err, ex, trace]
-	obj = base64.b64encode(cPickle.dumps(tmp))
-	sys.stdout.write(obj.decode())
-	sys.stdout.write('\n')
-	sys.stdout.flush()
-
-while 1:
-	try:
-		run()
-	except KeyboardInterrupt:
-		break
-
diff --git a/waflib/waf b/waflib/waf
deleted file mode 100755
index e22930a6..00000000
--- a/waflib/waf
+++ /dev/null
@@ -1,16 +0,0 @@
-#!/usr/bin/env python
-
-# Minimal waf script for projects that include waflib directly
-
-from waflib import Context, Scripting
-
-import inspect
-import os
-
-def main():
-    script_path = os.path.abspath(inspect.getfile(inspect.getmodule(main)))
-    project_path = os.path.dirname(script_path)
-    Scripting.waf_entry_point(os.getcwd(), Context.WAFVERSION, project_path)
-
-if __name__ == '__main__':
-    main()