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Viewing changes to tools/wafadmin/Tools/gcc.py

  • Committer: Package Import Robot
  • Author(s): Jérémy Lal
  • Date: 2013-08-14 00:16:46 UTC
  • mfrom: (7.1.40 sid)
  • Revision ID: package-import@ubuntu.com-20130814001646-bzlysfh8sd6mukbo
Tags: 0.10.15~dfsg1-4
* Update 2005 patch, adding a handful of tests that can fail on
  slow platforms.
* Add 1004 patch to fix test failures when writing NaN to buffer
  on mipsel.

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tools/wafadmin/Tools/gcc.py
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#!/usr/bin/env python
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# encoding: utf-8
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# Thomas Nagy, 2006-2008 (ita)
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# Ralf Habacker, 2006 (rh)
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# Yinon Ehrlich, 2009
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import os, sys
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import Configure, Options, Utils
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import ccroot, ar
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from Configure import conftest
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@conftest
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def find_gcc(conf):
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        cc = conf.find_program(['gcc', 'cc'], var='CC', mandatory=True)
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        cc = conf.cmd_to_list(cc)
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        ccroot.get_cc_version(conf, cc, gcc=True)
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        conf.env.CC_NAME = 'gcc'
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        conf.env.CC      = cc
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@conftest
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def gcc_common_flags(conf):
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        v = conf.env
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        # CPPFLAGS CCDEFINES _CCINCFLAGS _CCDEFFLAGS
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        v['CCFLAGS_DEBUG'] = ['-g']
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        v['CCFLAGS_RELEASE'] = ['-O2']
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        v['CC_SRC_F']            = ''
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        v['CC_TGT_F']            = ['-c', '-o', ''] # shell hack for -MD
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        v['CPPPATH_ST']          = '-I%s' # template for adding include paths
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        # linker
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        if not v['LINK_CC']: v['LINK_CC'] = v['CC']
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        v['CCLNK_SRC_F']         = ''
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        v['CCLNK_TGT_F']         = ['-o', ''] # shell hack for -MD
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        v['LIB_ST']              = '-l%s' # template for adding libs
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        v['LIBPATH_ST']          = '-L%s' # template for adding libpaths
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        v['STATICLIB_ST']        = '-l%s'
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        v['STATICLIBPATH_ST']    = '-L%s'
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        v['RPATH_ST']            = '-Wl,-rpath,%s'
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        v['CCDEFINES_ST']        = '-D%s'
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        v['SONAME_ST']           = '-Wl,-h,%s'
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        v['SHLIB_MARKER']        = '-Wl,-Bdynamic'
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        v['STATICLIB_MARKER']    = '-Wl,-Bstatic'
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        v['FULLSTATIC_MARKER']   = '-static'
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        # program
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        v['program_PATTERN']     = '%s'
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        # shared library
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        v['shlib_CCFLAGS']       = ['-fPIC', '-DPIC'] # avoid using -DPIC, -fPIC aleady defines the __PIC__ macro
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        v['shlib_LINKFLAGS']     = ['-shared']
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        v['shlib_PATTERN']       = 'lib%s.so'
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        # static lib
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        v['staticlib_LINKFLAGS'] = ['-Wl,-Bstatic']
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        v['staticlib_PATTERN']   = 'lib%s.a'
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        # osx stuff
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        v['LINKFLAGS_MACBUNDLE'] = ['-bundle', '-undefined', 'dynamic_lookup']
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        v['CCFLAGS_MACBUNDLE']   = ['-fPIC']
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        v['macbundle_PATTERN']   = '%s.bundle'
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@conftest
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def gcc_modifier_win32(conf):
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        v = conf.env
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        v['program_PATTERN']     = '%s.exe'
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        v['shlib_PATTERN']       = '%s.dll'
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        v['implib_PATTERN']      = 'lib%s.dll.a'
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        v['IMPLIB_ST']           = '-Wl,--out-implib,%s'
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        dest_arch = v['DEST_CPU']
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        if dest_arch == 'x86':
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                # On 32-bit x86, gcc emits a message telling the -fPIC option is ignored on this arch, so we remove that flag.
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                v['shlib_CCFLAGS'] = ['-DPIC'] # TODO this is a wrong define, we don't use -fPIC!
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        v.append_value('shlib_CCFLAGS', '-DDLL_EXPORT') # TODO adding nonstandard defines like this DLL_EXPORT is not a good idea
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        # Auto-import is enabled by default even without this option,
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        # but enabling it explicitly has the nice effect of suppressing the rather boring, debug-level messages
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        # that the linker emits otherwise.
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        v.append_value('LINKFLAGS', '-Wl,--enable-auto-import')
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@conftest
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def gcc_modifier_cygwin(conf):
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        gcc_modifier_win32(conf)
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        v = conf.env
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        v['shlib_PATTERN']       = 'cyg%s.dll'
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        v.append_value('shlib_LINKFLAGS', '-Wl,--enable-auto-image-base')
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@conftest
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def gcc_modifier_darwin(conf):
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        v = conf.env
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        v['shlib_CCFLAGS']       = ['-fPIC', '-compatibility_version', '1', '-current_version', '1']
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        v['shlib_LINKFLAGS']     = ['-dynamiclib']
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        v['shlib_PATTERN']       = 'lib%s.dylib'
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        v['staticlib_LINKFLAGS'] = []
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        v['SHLIB_MARKER']        = ''
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        v['STATICLIB_MARKER']    = ''
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        v['SONAME_ST']           = ''
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@conftest
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def gcc_modifier_aix(conf):
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        v = conf.env
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        v['program_LINKFLAGS']   = ['-Wl,-brtl']
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        v['shlib_LINKFLAGS']     = ['-shared','-Wl,-brtl,-bexpfull']
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        v['SHLIB_MARKER']        = ''
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@conftest
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def gcc_modifier_platform(conf):
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        # * set configurations specific for a platform.
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        # * the destination platform is detected automatically by looking at the macros the compiler predefines,
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        #   and if it's not recognised, it fallbacks to sys.platform.
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        dest_os = conf.env['DEST_OS'] or Utils.unversioned_sys_platform()
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        gcc_modifier_func = globals().get('gcc_modifier_' + dest_os)
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        if gcc_modifier_func:
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                        gcc_modifier_func(conf)
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def detect(conf):
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        conf.find_gcc()
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        conf.find_cpp()
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        conf.find_ar()
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        conf.gcc_common_flags()
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        conf.gcc_modifier_platform()
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        conf.cc_load_tools()
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        conf.cc_add_flags()
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        conf.link_add_flags()
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