wscript - ndnSIM/ndn-cxx - Gitiles

 # -*- Mode: python; py-indent-offset: 4; indent-tabs-mode: nil; coding: utf-8; -*-
 VERSION='0.3~dev0'
 NAME="ndn-cpp-dev"

 from waflib import Build, Logs, Utils, Task, TaskGen, Configure
 from waflib.Tools import c_preproc

 def options(opt):
     opt.load('compiler_c compiler_cxx gnu_dirs c_osx')
     opt.load('boost doxygen openssl cryptopp coverage', tooldir=['.waf-tools'])

     opt = opt.add_option_group('NDN-CPP Options')

     opt.add_option('--debug',action='store_true',default=False,dest='debug',help='''debugging mode''')

     opt.add_option('--with-tests', action='store_true',default=False,dest='with_tests',
                    help='''build unit tests''')
     opt.add_option('--with-log4cxx', action='store_true',default=False,dest='log4cxx',
                    help='''Compile with log4cxx logging support''')

     opt.add_option('--with-c++11', action='store_true', default=False, dest='use_cxx11',
                    help='''Use C++11 features, even if available in the compiler''')
     opt.add_option('--without-system-boost', action='store_false', default=True, dest='use_system_boost',
                    help='''Use system's boost libraries''')
     opt.add_option('--without-tools', action='store_false', default=True, dest='with_tools',
                    help='''Do not build tools''')

     opt.add_option('--without-sqlite-locking', action='store_false', default=True, dest='with_sqlite_locking',
                    help='''Disable filesystem locking in sqlite3 database (use unix-dot locking mechanism instead). '''
                         '''This option may be necessary if home directory is hosted on NFS.''')
     opt.add_option('--with-pch', action='store_true', default=False, dest='with_pch',
                    help='''Try to use precompiled header to speed up compilation (only gcc and clang)''')
     opt.add_option('--without-osx-keychain', action='store_false', default=True, dest='with_osx_keychain',
                    help='''On Darwin, do not use OSX keychain as a default TPM''')

 def configure(conf):
     conf.load("compiler_c compiler_cxx boost gnu_dirs c_osx openssl cryptopp")
     try:
         conf.load("doxygen")
     except:
         pass

     if conf.options.with_tests:
         conf.env['WITH_TESTS'] = True

     if conf.options.with_tools:
         conf.env['WITH_TOOLS'] = True

     conf.check_openssl()

     if conf.options.debug:
         conf.define ('_DEBUG', 1)
         flags = ['-O0',
                  '-Wall',
                  # '-Werror',
                  '-Wno-unused-variable',
                  '-g3',
                  '-Wno-unused-private-field', # only clang supports
                  '-fcolor-diagnostics',       # only clang supports
                  '-Qunused-arguments',        # only clang supports
                  '-Wno-tautological-compare', # suppress warnings from CryptoPP
                  '-Wno-unused-function',      # another annoying warning from CryptoPP

                  '-Wno-deprecated-declarations',
                  ]

         conf.add_supported_cxxflags (cxxflags = flags)
     else:
         flags = ['-O3', '-g', '-Wno-tautological-compare', '-Wno-unused-function', '-Wno-deprecated-declarations']
         conf.add_supported_cxxflags (cxxflags = flags)

     if Utils.unversioned_sys_platform () == "darwin":
         conf.check_cxx(framework_name='CoreFoundation', uselib_store='OSX_COREFOUNDATION', mandatory=True)
         conf.check_cxx(framework_name='CoreServices', uselib_store='OSX_CORESERVICES', mandatory=True)
         conf.check_cxx(framework_name='Security',   uselib_store='OSX_SECURITY',   define_name='HAVE_SECURITY',
                        use="OSX_COREFOUNDATION", mandatory=True)
         conf.define('HAVE_OSX_SECURITY', 1)

     conf.define ("PACKAGE_BUGREPORT", "ndn-lib@lists.cs.ucla.edu")
     conf.define ("PACKAGE_NAME", NAME)
     conf.define ("PACKAGE_VERSION", VERSION)
     conf.define ("PACKAGE_URL", "https://github.com/named-data/ndn-cpp")

     conf.check_cfg(package='sqlite3', args=['--cflags', '--libs'], uselib_store='SQLITE3', mandatory=True)

     if conf.options.log4cxx:
         conf.check_cfg(package='liblog4cxx', args=['--cflags', '--libs'], uselib_store='LOG4CXX', mandatory=True)
         conf.define ("HAVE_LOG4CXX", 1)

     conf.check_cryptopp(path=conf.options.cryptopp_dir, mandatory=True)

     if conf.options.use_cxx11:
         conf.add_supported_cxxflags(cxxflags = ['-std=c++11', '-std=c++0x'])

         conf.check(msg='Checking for type std::shared_ptr',
                    type_name="std::shared_ptr<int>", header_name="memory", define_name='HAVE_STD_SHARED_PTR')
         conf.check(msg='Checking for type std::function',
                    type_name="std::function<void()>", header_name="functional", define_name='HAVE_STD_FUNCTION')
         conf.define('HAVE_CXX11', 1)
     else:
         if conf.options.use_system_boost:
             USED_BOOST_LIBS = 'system filesystem date_time iostreams regex program_options'
             if conf.env['WITH_TESTS']:
                 USED_BOOST_LIBS += " unit_test_framework"

             conf.check_boost(lib=USED_BOOST_LIBS)

             boost_version = conf.env.BOOST_VERSION.split('_')
             if int(boost_version[0]) > 1 or (int(boost_version[0]) == 1 and int(boost_version[1]) >= 46):
                 conf.env['USE_SYSTEM_BOOST'] = True
                 conf.define('USE_SYSTEM_BOOST', 1)

     conf.check_cxx(lib='pthread', uselib_store='PTHREAD', define_name='HAVE_PTHREAD', mandatory=False)
     conf.check_cxx(lib='rt', uselib_store='RT', define_name='HAVE_RT', mandatory=False)
     conf.check_cxx(cxxflags=['-fPIC'], uselib_store='cxxstlib', mandatory=False)

     if not conf.options.with_sqlite_locking:
         conf.define('DISABLE_SQLITE3_FS_LOCKING', 1)

     conf.env['WITH_PCH'] = conf.options.with_pch

     if Utils.unversioned_sys_platform () == "darwin":
         conf.env['WITH_OSX_KEYCHAIN'] = conf.options.with_osx_keychain
         if conf.options.with_osx_keychain:
             conf.define('WITH_OSX_KEYCHAIN', 1)
     else:
         conf.env['WITH_OSX_KEYCHAIN'] = False

     conf.load("coverage")

     conf.write_config_header('src/ndn-cpp-config.h', define_prefix='NDN_CPP_')

 def build (bld):
     libndn_cpp = bld (
         features=['cxx', 'cxxstlib'], # 'cxxshlib',
         # vnum = "0.3.0",
         target="ndn-cpp-dev",
         name = "ndn-cpp-dev",
         source = bld.path.ant_glob('src/**/*.cpp',
                                    excl = ['src/**/*-osx.cpp', 'src/**/*-sqlite3.cpp']),
         use = 'BOOST OPENSSL LOG4CXX CRYPTOPP SQLITE3 RT PIC PTHREAD',
         includes = ". src",
         export_includes = "src",
         install_path = '${LIBDIR}',
         )

     if bld.env['WITH_PCH']:
         libndn_cpp.pch = "src/common.hpp"

     if Utils.unversioned_sys_platform () == "darwin":
         libndn_cpp.source += bld.path.ant_glob('src/**/*-osx.cpp')
         libndn_cpp.mac_app = True
         libndn_cpp.use += " OSX_COREFOUNDATION OSX_SECURITY"

     # In case we want to make it optional later
     libndn_cpp.source += bld.path.ant_glob('src/**/*-sqlite3.cpp')


     pkgconfig_libs = []
     pkgconfig_ldflags = []
     pkgconfig_linkflags = []
     pkgconfig_includes = []
     pkgconfig_cxxflags = []
     for lib in Utils.to_list(libndn_cpp.use):
         if bld.env['LIB_%s' % lib]:
             pkgconfig_libs += Utils.to_list(bld.env['LIB_%s' % lib])
         if bld.env['LIBPATH_%s' % lib]:
             pkgconfig_ldflags += Utils.to_list(bld.env['LIBPATH_%s' % lib])
         if bld.env['INCLUDES_%s' % lib]:
             pkgconfig_includes += Utils.to_list(bld.env['INCLUDES_%s' % lib])
         if bld.env['LINKFLAGS_%s' % lib]:
             pkgconfig_linkflags += Utils.to_list(bld.env['LINKFLAGS_%s' % lib])
         if bld.env['CXXFLAGS_%s' % lib]:
             pkgconfig_cxxflags += Utils.to_list(bld.env['CXXFLAGS_%s' % lib])

     EXTRA_FRAMEWORKS = "";
     if Utils.unversioned_sys_platform () == "darwin":
         EXTRA_FRAMEWORKS = "-framework CoreFoundation -framework Security"

     def uniq(alist):
         set = {}
         return [set.setdefault(e,e) for e in alist if e not in set]

     pkconfig = bld (features = "subst",
          source = "libndn-cpp-dev.pc.in",
          target = "libndn-cpp-dev.pc",
          install_path = "${LIBDIR}/pkgconfig",
          VERSION = VERSION,

          # This probably not the right thing to do, but to simplify life of apps
          # that use the library
          EXTRA_LIBS = " ".join([('-l%s' % i) for i in uniq(pkgconfig_libs)]),
          EXTRA_LDFLAGS = " ".join([('-L%s' % i) for i in uniq(pkgconfig_ldflags)]),
          EXTRA_LINKFLAGS = " ".join(uniq(pkgconfig_linkflags)),
          EXTRA_INCLUDES = " ".join([('-I%s' % i) for i in uniq(pkgconfig_includes)]),
          EXTRA_CXXFLAGS = " ".join(uniq(pkgconfig_cxxflags)),
          EXTRA_FRAMEWORKS = EXTRA_FRAMEWORKS,
         )

     # Unit tests
     if bld.env['WITH_TESTS']:
         bld.recurse('tests')

     if bld.env['WITH_TOOLS']:
         bld.recurse("tools examples")
     else:
         bld.recurse("examples")

     headers = bld.path.ant_glob(['src/**/*.hpp'])
     bld.install_files("%s/ndn-cpp-dev" % bld.env['INCLUDEDIR'], headers, relative_trick=True, cwd=bld.path.find_node('src'))

     bld.install_files("%s/ndn-cpp-dev" % bld.env['INCLUDEDIR'], bld.path.find_resource('src/ndn-cpp-config.h'))

 @Configure.conf
 def add_supported_cxxflags(self, cxxflags):
     """
     Check which cxxflags are supported by compiler and add them to env.CXXFLAGS variable
     """
     self.start_msg('Checking allowed flags for c++ compiler')

     supportedFlags = []
     for flag in cxxflags:
         if self.check_cxx (cxxflags=[flag], mandatory=False):
             supportedFlags += [flag]

     self.end_msg (' '.join (supportedFlags))
     self.env.CXXFLAGS += supportedFlags

 # doxygen docs
 from waflib.Build import BuildContext
 class doxy(BuildContext):
     cmd = "doxygen"
     fun = "doxygen"

 def doxygen(bld):
     if not bld.env.DOXYGEN:
         bld.fatal("ERROR: cannot build documentation (`doxygen' is not found in $PATH)")
     bld(features="doxygen",
         doxyfile='docs/doxygen.conf')

 # doxygen docs
 from waflib.Build import BuildContext
 class sphinx (BuildContext):
     cmd = "sphinx"
     fun = "sphinx"

 def sphinx (bld):
     bld.load('sphinx_build', tooldir=['waf-tools'])

     bld (features="sphinx",
          outdir = "doc/html",
          source = "doc/source/conf.py")


 @TaskGen.feature('cxx')
 @TaskGen.before('process_source')
 def process_pch(self):
     if getattr(self, 'pch', ''):
         # for now support only gcc-compatible things
         if self.env['COMPILER_CXX'] == 'g++':
             nodes = self.to_nodes(self.pch, path=self.path)
             for x in nodes:
                 z = self.create_task('gchx', x, x.change_ext('.hpp.gch'))
                 z.orig_self = self

 class gchx(Task.Task):
     run_str = '${CXX} -x c++-header ${CXXFLAGS} ${FRAMEWORKPATH_ST:FRAMEWORKPATH} ${CPPPATH_ST:INCPATHS} ${DEFINES_ST:DEFINES} ${CXX_SRC_F}${SRC} ${CXX_TGT_F}${TGT}'
     scan    = c_preproc.scan
     ext_out = ['.hpp']
     color   = 'BLUE'

     def post_run(self):
         super(gchx, self).post_run()
         self.orig_self.env['CXXFLAGS'] = ['-include', self.inputs[0].relpath()] + self.env['CXXFLAGS']
	# -- Mode: python; py-indent-offset: 4; indent-tabs-mode: nil; coding: utf-8; --
	VERSION='0.3~dev0'
	NAME="ndn-cpp-dev"

	from waflib import Build, Logs, Utils, Task, TaskGen, Configure
	from waflib.Tools import c_preproc

	def options(opt):
	opt.load('compiler_c compiler_cxx gnu_dirs c_osx')
	opt.load('boost doxygen openssl cryptopp coverage', tooldir=['.waf-tools'])

	opt = opt.add_option_group('NDN-CPP Options')

	opt.add_option('--debug',action='store_true',default=False,dest='debug',help='''debugging mode''')

	opt.add_option('--with-tests', action='store_true',default=False,dest='with_tests',
	help='''build unit tests''')
	opt.add_option('--with-log4cxx', action='store_true',default=False,dest='log4cxx',
	help='''Compile with log4cxx logging support''')

	opt.add_option('--with-c++11', action='store_true', default=False, dest='use_cxx11',
	help='''Use C++11 features, even if available in the compiler''')
	opt.add_option('--without-system-boost', action='store_false', default=True, dest='use_system_boost',
	help='''Use system's boost libraries''')
	opt.add_option('--without-tools', action='store_false', default=True, dest='with_tools',
	help='''Do not build tools''')

	opt.add_option('--without-sqlite-locking', action='store_false', default=True, dest='with_sqlite_locking',
	help='''Disable filesystem locking in sqlite3 database (use unix-dot locking mechanism instead). '''
	'''This option may be necessary if home directory is hosted on NFS.''')
	opt.add_option('--with-pch', action='store_true', default=False, dest='with_pch',
	help='''Try to use precompiled header to speed up compilation (only gcc and clang)''')
	opt.add_option('--without-osx-keychain', action='store_false', default=True, dest='with_osx_keychain',
	help='''On Darwin, do not use OSX keychain as a default TPM''')

	def configure(conf):
	conf.load("compiler_c compiler_cxx boost gnu_dirs c_osx openssl cryptopp")
	try:
	conf.load("doxygen")
	except:
	pass

	if conf.options.with_tests:
	conf.env['WITH_TESTS'] = True

	if conf.options.with_tools:
	conf.env['WITH_TOOLS'] = True

	conf.check_openssl()

	if conf.options.debug:
	conf.define ('_DEBUG', 1)
	flags = ['-O0',
	'-Wall',
	# '-Werror',
	'-Wno-unused-variable',
	'-g3',
	'-Wno-unused-private-field', # only clang supports
	'-fcolor-diagnostics', # only clang supports
	'-Qunused-arguments', # only clang supports
	'-Wno-tautological-compare', # suppress warnings from CryptoPP
	'-Wno-unused-function', # another annoying warning from CryptoPP

	'-Wno-deprecated-declarations',
	]

	conf.add_supported_cxxflags (cxxflags = flags)
	else:
	flags = ['-O3', '-g', '-Wno-tautological-compare', '-Wno-unused-function', '-Wno-deprecated-declarations']
	conf.add_supported_cxxflags (cxxflags = flags)

	if Utils.unversioned_sys_platform () == "darwin":
	conf.check_cxx(framework_name='CoreFoundation', uselib_store='OSX_COREFOUNDATION', mandatory=True)
	conf.check_cxx(framework_name='CoreServices', uselib_store='OSX_CORESERVICES', mandatory=True)
	conf.check_cxx(framework_name='Security', uselib_store='OSX_SECURITY', define_name='HAVE_SECURITY',
	use="OSX_COREFOUNDATION", mandatory=True)
	conf.define('HAVE_OSX_SECURITY', 1)

	conf.define ("PACKAGE_BUGREPORT", "ndn-lib@lists.cs.ucla.edu")
	conf.define ("PACKAGE_NAME", NAME)
	conf.define ("PACKAGE_VERSION", VERSION)
	conf.define ("PACKAGE_URL", "https://github.com/named-data/ndn-cpp")

	conf.check_cfg(package='sqlite3', args=['--cflags', '--libs'], uselib_store='SQLITE3', mandatory=True)

	if conf.options.log4cxx:
	conf.check_cfg(package='liblog4cxx', args=['--cflags', '--libs'], uselib_store='LOG4CXX', mandatory=True)
	conf.define ("HAVE_LOG4CXX", 1)

	conf.check_cryptopp(path=conf.options.cryptopp_dir, mandatory=True)

	if conf.options.use_cxx11:
	conf.add_supported_cxxflags(cxxflags = ['-std=c++11', '-std=c++0x'])

	conf.check(msg='Checking for type std::shared_ptr',
	type_name="std::shared_ptr<int>", header_name="memory", define_name='HAVE_STD_SHARED_PTR')
	conf.check(msg='Checking for type std::function',
	type_name="std::function<void()>", header_name="functional", define_name='HAVE_STD_FUNCTION')
	conf.define('HAVE_CXX11', 1)
	else:
	if conf.options.use_system_boost:
	USED_BOOST_LIBS = 'system filesystem date_time iostreams regex program_options'
	if conf.env['WITH_TESTS']:
	USED_BOOST_LIBS += " unit_test_framework"

	conf.check_boost(lib=USED_BOOST_LIBS)

	boost_version = conf.env.BOOST_VERSION.split('_')
	if int(boost_version[0]) > 1 or (int(boost_version[0]) == 1 and int(boost_version[1]) >= 46):
	conf.env['USE_SYSTEM_BOOST'] = True
	conf.define('USE_SYSTEM_BOOST', 1)

	conf.check_cxx(lib='pthread', uselib_store='PTHREAD', define_name='HAVE_PTHREAD', mandatory=False)
	conf.check_cxx(lib='rt', uselib_store='RT', define_name='HAVE_RT', mandatory=False)
	conf.check_cxx(cxxflags=['-fPIC'], uselib_store='cxxstlib', mandatory=False)

	if not conf.options.with_sqlite_locking:
	conf.define('DISABLE_SQLITE3_FS_LOCKING', 1)

	conf.env['WITH_PCH'] = conf.options.with_pch

	if Utils.unversioned_sys_platform () == "darwin":
	conf.env['WITH_OSX_KEYCHAIN'] = conf.options.with_osx_keychain
	if conf.options.with_osx_keychain:
	conf.define('WITH_OSX_KEYCHAIN', 1)
	else:
	conf.env['WITH_OSX_KEYCHAIN'] = False

	conf.load("coverage")

	conf.write_config_header('src/ndn-cpp-config.h', define_prefix='NDN_CPP_')

	def build (bld):
	libndn_cpp = bld (
	features=['cxx', 'cxxstlib'], # 'cxxshlib',
	# vnum = "0.3.0",
	target="ndn-cpp-dev",
	name = "ndn-cpp-dev",
	source = bld.path.ant_glob('src/*/.cpp',
	excl = ['src/*/-osx.cpp', 'src/*/-sqlite3.cpp']),
	use = 'BOOST OPENSSL LOG4CXX CRYPTOPP SQLITE3 RT PIC PTHREAD',
	includes = ". src",
	export_includes = "src",
	install_path = '${LIBDIR}',
	)

	if bld.env['WITH_PCH']:
	libndn_cpp.pch = "src/common.hpp"

	if Utils.unversioned_sys_platform () == "darwin":
	libndn_cpp.source += bld.path.ant_glob('src/*/-osx.cpp')
	libndn_cpp.mac_app = True
	libndn_cpp.use += " OSX_COREFOUNDATION OSX_SECURITY"

	# In case we want to make it optional later
	libndn_cpp.source += bld.path.ant_glob('src/*/-sqlite3.cpp')


	pkgconfig_libs = []
	pkgconfig_ldflags = []
	pkgconfig_linkflags = []
	pkgconfig_includes = []
	pkgconfig_cxxflags = []
	for lib in Utils.to_list(libndn_cpp.use):
	if bld.env['LIB_%s' % lib]:
	pkgconfig_libs += Utils.to_list(bld.env['LIB_%s' % lib])
	if bld.env['LIBPATH_%s' % lib]:
	pkgconfig_ldflags += Utils.to_list(bld.env['LIBPATH_%s' % lib])
	if bld.env['INCLUDES_%s' % lib]:
	pkgconfig_includes += Utils.to_list(bld.env['INCLUDES_%s' % lib])
	if bld.env['LINKFLAGS_%s' % lib]:
	pkgconfig_linkflags += Utils.to_list(bld.env['LINKFLAGS_%s' % lib])
	if bld.env['CXXFLAGS_%s' % lib]:
	pkgconfig_cxxflags += Utils.to_list(bld.env['CXXFLAGS_%s' % lib])

	EXTRA_FRAMEWORKS = "";
	if Utils.unversioned_sys_platform () == "darwin":
	EXTRA_FRAMEWORKS = "-framework CoreFoundation -framework Security"

	def uniq(alist):
	set = {}
	return [set.setdefault(e,e) for e in alist if e not in set]

	pkconfig = bld (features = "subst",
	source = "libndn-cpp-dev.pc.in",
	target = "libndn-cpp-dev.pc",
	install_path = "${LIBDIR}/pkgconfig",
	VERSION = VERSION,

	# This probably not the right thing to do, but to simplify life of apps
	# that use the library
	EXTRA_LIBS = " ".join([('-l%s' % i) for i in uniq(pkgconfig_libs)]),
	EXTRA_LDFLAGS = " ".join([('-L%s' % i) for i in uniq(pkgconfig_ldflags)]),
	EXTRA_LINKFLAGS = " ".join(uniq(pkgconfig_linkflags)),
	EXTRA_INCLUDES = " ".join([('-I%s' % i) for i in uniq(pkgconfig_includes)]),
	EXTRA_CXXFLAGS = " ".join(uniq(pkgconfig_cxxflags)),
	EXTRA_FRAMEWORKS = EXTRA_FRAMEWORKS,
	)

	# Unit tests
	if bld.env['WITH_TESTS']:
	bld.recurse('tests')

	if bld.env['WITH_TOOLS']:
	bld.recurse("tools examples")
	else:
	bld.recurse("examples")

	headers = bld.path.ant_glob(['src/*/.hpp'])
	bld.install_files("%s/ndn-cpp-dev" % bld.env['INCLUDEDIR'], headers, relative_trick=True, cwd=bld.path.find_node('src'))

	bld.install_files("%s/ndn-cpp-dev" % bld.env['INCLUDEDIR'], bld.path.find_resource('src/ndn-cpp-config.h'))

	@Configure.conf
	def add_supported_cxxflags(self, cxxflags):
	"""
	Check which cxxflags are supported by compiler and add them to env.CXXFLAGS variable
	"""
	self.start_msg('Checking allowed flags for c++ compiler')

	supportedFlags = []
	for flag in cxxflags:
	if self.check_cxx (cxxflags=[flag], mandatory=False):
	supportedFlags += [flag]

	self.end_msg (' '.join (supportedFlags))
	self.env.CXXFLAGS += supportedFlags

	# doxygen docs
	from waflib.Build import BuildContext
	class doxy(BuildContext):
	cmd = "doxygen"
	fun = "doxygen"

	def doxygen(bld):
	if not bld.env.DOXYGEN:
	bld.fatal("ERROR: cannot build documentation (`doxygen' is not found in $PATH)")
	bld(features="doxygen",
	doxyfile='docs/doxygen.conf')

	# doxygen docs
	from waflib.Build import BuildContext
	class sphinx (BuildContext):
	cmd = "sphinx"
	fun = "sphinx"

	def sphinx (bld):
	bld.load('sphinx_build', tooldir=['waf-tools'])

	bld (features="sphinx",
	outdir = "doc/html",
	source = "doc/source/conf.py")


	@TaskGen.feature('cxx')
	@TaskGen.before('process_source')
	def process_pch(self):
	if getattr(self, 'pch', ''):
	# for now support only gcc-compatible things
	if self.env['COMPILER_CXX'] == 'g++':
	nodes = self.to_nodes(self.pch, path=self.path)
	for x in nodes:
	z = self.create_task('gchx', x, x.change_ext('.hpp.gch'))
	z.orig_self = self

	class gchx(Task.Task):
	run_str = '${CXX} -x c++-header ${CXXFLAGS} ${FRAMEWORKPATH_ST:FRAMEWORKPATH} ${CPPPATH_ST:INCPATHS} ${DEFINES_ST:DEFINES} ${CXX_SRC_F}${SRC} ${CXX_TGT_F}${TGT}'
	scan = c_preproc.scan
	ext_out = ['.hpp']
	color = 'BLUE'

	def post_run(self):
	super(gchx, self).post_run()
	self.orig_self.env['CXXFLAGS'] = ['-include', self.inputs[0].relpath()] + self.env['CXXFLAGS']