Python conf.check函数代码示例

def check_jni_headers(conf):
    """
	Check 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]

    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)

def check_jni_headers(conf):
    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")
    javaHome = conf.env["JAVA_HOME"][0]
    dir = conf.root.find_dir(conf.env.JAVA_HOME[0] + "/include")
    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]
    f = dir.ant_glob("**/*jvm.(lib)")
    if f:
        libDirs = [[x, y.parent.abspath()] for x in libDirs for y in f]
    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:
            pass
        else:
            break
    else:
        conf.fatal("could not find lib jvm in %r (see config.log)" % libDirs)

def python_config(conf, version, var=''):
    version_number = version.replace('.', '')
    if not var: var = 'python%s'%(version_number)
    if 'posix' in conf.env.VALID_PLATFORMS:
        try:
            cflags, libs, ldflags = conf.run_pkg_config('python-%s'%version)
        except Errors.WafError as error:
            cflags = ['-I/usr/include/python%s'%version]
            ldflags=[]
            libs = ['python%s'%version]
        conf.check(
            compile_filename=[],
            features='check_python',
            msg='check for python %s'%version,
            cxxflags=cflags,
            libs=libs,
            ldflags=ldflags,
            use=[var],
            code="""
                #include <Python.h>
                int main() { Py_Initialize(); return 0; }
            """)
        conf.env['check_%s' % var] = True
        for lib in libs:
            if lib.startswith('python'):
                lib_name = lib
        conf.env['check_%s_defines' % var] = ['PYTHON_LIBRARY=%s' % lib_name]
    elif 'macosx' in conf.env.VALID_PLATFORMS:
        conf.recurse('../python%s/python%s.py' % (version_number, version_number), name='setup_python', once=False)
    elif 'windows' in conf.env.VALID_PLATFORMS:
        conf.recurse('../python%s/python%s.py' % (version_number, version_number), name='setup_python', once=False)
    else:
        raise Errors.WafError('TODO')

def check_jni_headers(conf):
	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')
	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')
	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]
	f=dir.ant_glob('**/*jvm.(lib)')
	if f:
		libDirs=[[x,y.parent.abspath()]for x in libDirs for y in f]
	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)

def check_libs(conf):
    compiler = FLAGS[conf.env.COMPILER_CXX]
    boost_params = dict(dict(mt  = True,
                             abi = 'gd' if conf.variant == 'debug' else ''),
                        **compiler['boost'])
    conf.check_boost(**boost_params)
    conf.check(lib='gtest' if conf.variant == 'release' else 'gtestd',
               uselib_store='GTEST', mandatory=False)
    conf.check(lib='gmock' if conf.variant == 'release' else 'gmockd',
               uselib_store='GMOCK', mandatory=False)

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)

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')

def check_library_func(conf, library, function, use, envvars=None):
    if envvars is None: envvars = []
    envvars += ['LIB','LIBPATH','LINKFLAGS']
    for u in to_list(use): envvars += ['LIB_%s'%u,'LIBPATH_%s'%u,'LINKFLAGS_%s'%u]
    try:
        conf.check(fragment='int main(){ %s(); }'%function,
                   msg="Checking for library %s"%library,
                   okmsg="found function %s"%function,
                   errmsg="couldn't find function %s"%function,
                   use=use)
    except conf.errors.ConfigurationError: 
        conf.fatal(('%s was not found on your system. '
                    'Check that it is installed and that the following '
                    'environment variables are set correctly:\n')%library+
                    '\n'.join(['%s = %s'%(x,' '.join(getattr(conf.env,x,''))) for x in sorted(set(envvars))]))

def check_jni_headers(conf):
	"""
	Check for jni headers and libraries. On success the conf.env variables xxx_JAVA are added for use in c/c++ targets.
	"""

	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')
	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)')
	libDirs = [x.parent.abspath() for x in f] or [javaHome]

	for i, d in enumerate(libDirs):
		if conf.check(header_name='jni.h', define_name='HAVE_JNI_H', lib='jvm',
				libpath=d, includes=incDirs, uselib_store='JAVA', uselib='JAVA'):
			break
	else:
		conf.fatal('could not find lib jvm in %r (see config.log)' % libDirs)

def check_jni_headers(conf):
    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")
    javaHome = conf.env["JAVA_HOME"][0]
    dir = conf.root.find_dir(conf.env.JAVA_HOME[0] + "/include")
    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)")
    libDirs = [x.parent.abspath() for x in f] or [javaHome]
    for i, d in enumerate(libDirs):
        if conf.check(
            header_name="jni.h",
            define_name="HAVE_JNI_H",
            lib="jvm",
            libpath=d,
            includes=incDirs,
            uselib_store="JAVA",
            uselib="JAVA",
        ):
            break
    else:
        conf.fatal("could not find lib jvm in %r (see config.log)" % libDirs)

def check_python_headers(conf):
	env=conf.env
	if not env['CC_NAME']and not env['CXX_NAME']:
		conf.fatal('load a compiler first (gcc, g++, ..)')
	if not env['PYTHON_VERSION']:
		conf.check_python_version()
	pybin=conf.env.PYTHON
	if not pybin:
		conf.fatal('Could not find the python executable')
	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%r\n"%(pybin,'\n'.join(vals)))
	dct=dict(zip(v,lst))
	x='MACOSX_DEPLOYMENT_TARGET'
	if dct[x]:
		conf.env[x]=conf.environ[x]=dct[x]
	if not env.pyext_PATTERN:
		if dct['SO']:
			env.pyext_PATTERN='%s'+dct['SO']
		else:
			env.pyext_PATTERN=(conf.env.cshlib_PATTERN or conf.env.cxxshlib_PATTERN).lstrip('lib')
	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")
	all_flags=[['--cflags','--libs','--ldflags']]
	if sys.hexversion<0x2060000:
		all_flags=[[x]for x in all_flags[0]]
	xx=conf.env.CXX_NAME and'cxx'or'c'
	for flags in all_flags:
		conf.check_cfg(msg='Asking python-config for pyembed %r flags'%' '.join(flags),path=conf.env.PYTHON_CONFIG,package='',uselib_store='PYEMBED',args=flags)
	conf.check(header_name='Python.h',define_name='HAVE_PYEMBED',msg='Getting pyembed flags from python-config',fragment=FRAG,errmsg='Could not build a python embedded interpreter',features='%s %sprogram pyembed'%(xx,xx))
	for flags in all_flags:
		conf.check_cfg(msg='Asking python-config for pyext %r flags'%' '.join(flags),path=conf.env.PYTHON_CONFIG,package='',uselib_store='PYEXT',args=flags)
	conf.check(header_name='Python.h',define_name='HAVE_PYEXT',msg='Getting pyext flags from python-config',features='%s %sshlib pyext'%(xx,xx),fragment=FRAG,errmsg='Could not build python extensions')
	conf.define('HAVE_PYTHON_H',1)

def check_python_headers(conf):
	env=conf.env
	if not env['CC_NAME']and not env['CXX_NAME']:
		conf.fatal('load a compiler first (gcc, g++, ..)')
	if not env['PYTHON_VERSION']:
		conf.check_python_version()
	pybin=env.PYTHON
	if not pybin:
		conf.fatal('Could not find the python executable')
	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%r\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']
	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:
		all_flags=[['--cflags','--libs','--ldflags']]
		if sys.hexversion<0x2060000:
			all_flags=[[k]for k in all_flags[0]]
		xx=env.CXX_NAME and'cxx'or'c'
		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)
		conf.check(header_name='Python.h',define_name='HAVE_PYEMBED',msg='Getting pyembed flags from python-config',fragment=FRAG,errmsg='Could not build a python embedded interpreter',features='%s %sprogram pyembed'%(xx,xx))
		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)
		conf.check(header_name='Python.h',define_name='HAVE_PYEXT',msg='Getting pyext flags from python-config',features='%s %sshlib pyext'%(xx,xx),fragment=FRAG,errmsg='Could not build python extensions')
		conf.define('HAVE_PYTHON_H',1)
		return
	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']
	for name in('python'+dct['LDVERSION'],'python'+env['PYTHON_VERSION']+'m','python'+env['PYTHON_VERSION'].replace('.','')):
		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
	if result:
		env['LIBPATH_PYEMBED']=path
		env.append_value('LIB_PYEMBED',[name])
	else:
		conf.to_log("\n\n### LIB NOT FOUND\n")
	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']]
	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)
	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!')

def configure(conf):
	conf.find_msgfmt()
	conf.find_intltool_merge()
	if conf.env.CC or conf.env.CXX:
		conf.check(header_name='locale.h')

def check_python_headers(conf):
	if not conf.env['CC_NAME']and not conf.env['CXX_NAME']:
		conf.fatal('load a compiler first (gcc, g++, ..)')
	if not conf.env['PYTHON_VERSION']:
		conf.check_python_version()
	env=conf.env
	pybin=conf.env.PYTHON
	if not pybin:
		conf.fatal('could not find the python executable')
	v='prefix SO LDFLAGS LIBDIR LIBPL INCLUDEPY Py_ENABLE_SHARED MACOSX_DEPLOYMENT_TARGET LDSHARED CFLAGS'.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%r\n"%(pybin,'\n'.join(vals)))
	dct=dict(zip(v,lst))
	x='MACOSX_DEPLOYMENT_TARGET'
	if dct[x]:
		conf.env[x]=conf.environ[x]=dct[x]
	env['pyext_PATTERN']='%s'+dct['SO']
	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
	for name in('python'+env['PYTHON_VERSION'],'python'+env['PYTHON_VERSION'].replace('.','')):
		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
	if result:
		env['LIBPATH_PYEMBED']=path
		env.append_value('LIB_PYEMBED',[name])
	else:
		conf.to_log("\n\n### LIB NOT FOUND\n")
	if(Utils.is_win32 or sys.platform.startswith('os2')or dct['Py_ENABLE_SHARED']):
		env['LIBPATH_PYEXT']=env['LIBPATH_PYEMBED']
		env['LIB_PYEXT']=env['LIB_PYEMBED']
	num='.'.join(env['PYTHON_VERSION'].split('.')[:2])
	conf.find_program(['python%s-config'%num,'python-config-%s'%num,'python%sm-config'%num],var='PYTHON_CONFIG',mandatory=False)
	includes=[]
	if conf.env.PYTHON_CONFIG:
		for incstr in conf.cmd_and_log([conf.env.PYTHON_CONFIG,'--includes']).strip().split():
			if(incstr.startswith('-I')or incstr.startswith('/I')):
				incstr=incstr[2:]
			if incstr not in includes:
				includes.append(incstr)
		conf.to_log("Include path for Python extensions (found via python-config --includes): %r\n"%(includes,))
		env['INCLUDES_PYEXT']=includes
		env['INCLUDES_PYEMBED']=includes
	else:
		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']]
	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)
	try:
		conf.check(header_name='Python.h',define_name='HAVE_PYTHON_H',uselib='PYEMBED',fragment=FRAG,errmsg='Could not find the python development headers')
	except conf.errors.ConfigurationError:
		conf.check_cfg(path=conf.env.PYTHON_CONFIG,package='',uselib_store='PYEMBED',args=['--cflags','--libs'])
		conf.check(header_name='Python.h',define_name='HAVE_PYTHON_H',msg='Getting the python flags from python-config',uselib='PYEMBED',fragment=FRAG,errmsg='Could not find the python development headers elsewhere')

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:
		# 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.
#.........这里部分代码省略.........