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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_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()
+