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#!/usr/bin/env python
# encoding: utf-8
# Thomas Nagy, 2006 (ita)
# Ralf Habacker, 2006 (rh)
# Yinon Ehrlich, 2009
import os, sys
import Configure, Options, Utils
import ccroot, ar
from Configure import conftest
@conftest
def find_gxx(conf):
cxx = conf.find_program(['g++', 'c++'], var='CXX', mandatory=True)
cxx = conf.cmd_to_list(cxx)
ccroot.get_cc_version(conf, cxx, gcc=True)
conf.env.CXX_NAME = 'gcc'
conf.env.CXX = cxx
@conftest
def gxx_common_flags(conf):
v = conf.env
# CPPFLAGS CXXDEFINES _CXXINCFLAGS _CXXDEFFLAGS
v['CXXFLAGS_DEBUG'] = ['-g']
v['CXXFLAGS_RELEASE'] = ['-O2']
v['CXX_SRC_F'] = ''
v['CXX_TGT_F'] = ['-c', '-o', ''] # shell hack for -MD
v['CPPPATH_ST'] = '-I%s' # template for adding include paths
# linker
if not v['LINK_CXX']: v['LINK_CXX'] = v['CXX']
v['CXXLNK_SRC_F'] = ''
v['CXXLNK_TGT_F'] = ['-o', ''] # shell hack for -MD
v['LIB_ST'] = '-l%s' # template for adding libs
v['LIBPATH_ST'] = '-L%s' # template for adding libpaths
v['STATICLIB_ST'] = '-l%s'
v['STATICLIBPATH_ST'] = '-L%s'
v['RPATH_ST'] = '-Wl,-rpath,%s'
v['CXXDEFINES_ST'] = '-D%s'
v['SONAME_ST'] = '-Wl,-h,%s'
v['SHLIB_MARKER'] = '-Wl,-Bdynamic'
v['STATICLIB_MARKER'] = '-Wl,-Bstatic'
v['FULLSTATIC_MARKER'] = '-static'
# program
v['program_PATTERN'] = '%s'
# shared library
v['shlib_CXXFLAGS'] = ['-fPIC', '-DPIC'] # avoid using -DPIC, -fPIC aleady defines the __PIC__ macro
v['shlib_LINKFLAGS'] = ['-shared']
v['shlib_PATTERN'] = 'lib%s.so'
# static lib
v['staticlib_LINKFLAGS'] = ['-Wl,-Bstatic']
v['staticlib_PATTERN'] = 'lib%s.a'
# osx stuff
v['LINKFLAGS_MACBUNDLE'] = ['-bundle', '-undefined', 'dynamic_lookup']
v['CCFLAGS_MACBUNDLE'] = ['-fPIC']
v['macbundle_PATTERN'] = '%s.bundle'
@conftest
def gxx_modifier_win32(conf):
v = conf.env
v['program_PATTERN'] = '%s.exe'
v['shlib_PATTERN'] = '%s.dll'
v['implib_PATTERN'] = 'lib%s.dll.a'
v['IMPLIB_ST'] = '-Wl,--out-implib,%s'
dest_arch = v['DEST_CPU']
v['shlib_CXXFLAGS'] = []
v.append_value('shlib_CXXFLAGS', '-DDLL_EXPORT') # TODO adding nonstandard defines like this DLL_EXPORT is not a good idea
# 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')
@conftest
def gxx_modifier_cygwin(conf):
gxx_modifier_win32(conf)
v = conf.env
v['shlib_PATTERN'] = 'cyg%s.dll'
v.append_value('shlib_LINKFLAGS', '-Wl,--enable-auto-image-base')
@conftest
def gxx_modifier_darwin(conf):
v = conf.env
v['shlib_CXXFLAGS'] = ['-fPIC', '-compatibility_version', '1', '-current_version', '1']
v['shlib_LINKFLAGS'] = ['-dynamiclib']
v['shlib_PATTERN'] = 'lib%s.dylib'
v['staticlib_LINKFLAGS'] = []
v['SHLIB_MARKER'] = ''
v['STATICLIB_MARKER'] = ''
v['SONAME_ST'] = ''
@conftest
def gxx_modifier_aix(conf):
v = conf.env
v['program_LINKFLAGS'] = ['-Wl,-brtl']
v['shlib_LINKFLAGS'] = ['-shared', '-Wl,-brtl,-bexpfull']
v['SHLIB_MARKER'] = ''
@conftest
def gxx_modifier_platform(conf):
# * 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.
dest_os = conf.env['DEST_OS'] or Utils.unversioned_sys_platform()
gxx_modifier_func = globals().get('gxx_modifier_' + dest_os)
if gxx_modifier_func:
gxx_modifier_func(conf)
def detect(conf):
conf.find_gxx()
conf.find_cpp()
conf.find_ar()
conf.gxx_common_flags()
conf.gxx_modifier_platform()
conf.cxx_load_tools()
conf.cxx_add_flags()
conf.link_add_flags()
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