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#!/usr/bin/env python
# encoding: utf-8
# Thomas Nagy, 2006-2008 (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_gcc(conf):
cc = conf.find_program(['gcc', 'cc'], var='CC', mandatory=True)
cc = conf.cmd_to_list(cc)
ccroot.get_cc_version(conf, cc, gcc=True)
conf.env.CC_NAME = 'gcc'
conf.env.CC = cc
@conftest
def gcc_common_flags(conf):
v = conf.env
# CPPFLAGS CCDEFINES _CCINCFLAGS _CCDEFFLAGS
v['CCFLAGS_DEBUG'] = ['-g']
v['CCFLAGS_RELEASE'] = ['-O2']
v['CC_SRC_F'] = ''
v['CC_TGT_F'] = ['-c', '-o', ''] # shell hack for -MD
v['CPPPATH_ST'] = '-I%s' # template for adding include paths
# linker
if not v['LINK_CC']: v['LINK_CC'] = v['CC']
v['CCLNK_SRC_F'] = ''
v['CCLNK_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['CCDEFINES_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_CCFLAGS'] = ['-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 gcc_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_CCFLAGS'] = ['-DPIC']
v.append_value('shlib_CCFLAGS', '-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 gcc_modifier_cygwin(conf):
gcc_modifier_win32(conf)
v = conf.env
v['shlib_PATTERN'] = 'cyg%s.dll'
v.append_value('shlib_LINKFLAGS', '-Wl,--enable-auto-image-base')
@conftest
def gcc_modifier_darwin(conf):
v = conf.env
v['shlib_CCFLAGS'] = ['-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 gcc_modifier_aix(conf):
v = conf.env
v['program_LINKFLAGS'] = ['-Wl,-brtl']
v['shlib_LINKFLAGS'] = ['-shared','-Wl,-brtl,-bexpfull']
v['SHLIB_MARKER'] = ''
@conftest
def gcc_modifier_openbsd(conf):
conf.env['SONAME_ST'] = []
@conftest
def gcc_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()
gcc_modifier_func = globals().get('gcc_modifier_' + dest_os)
if gcc_modifier_func:
gcc_modifier_func(conf)
def detect(conf):
conf.find_gcc()
conf.find_cpp()
conf.find_ar()
conf.gcc_common_flags()
conf.gcc_modifier_platform()
conf.cc_load_tools()
conf.cc_add_flags()
conf.link_add_flags()
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