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diff --git a/waflib b/waflib
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+Subproject 2314e236ca6e7d94a26c3c17091da0f25f5867f
diff --git a/waflib/Configure.py b/waflib/Configure.py
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--- a/waflib/Configure.py
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-#!/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
-