Switch to using a submodule for autowaf

2 files changed, 0 insertions, 631 deletions

diff --git a/waflib b/waflib
new file mode 160000
+Subproject 2314e236ca6e7d94a26c3c17091da0f25f5867f
diff --git a/waflib/Tools/python.py b/waflib/Tools/python.py
deleted file mode 100644
index 01a2c9a..0000000
--- 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)')
-