buildtools/wafadmin/Tools/gcc.py

   1 #!/usr/bin/env python
   2 # encoding: utf-8
   3 # Thomas Nagy, 2006-2008 (ita)
   4 # Ralf Habacker, 2006 (rh)
   5 # Yinon Ehrlich, 2009
   6
   7 import os, sys
   8 import Configure, Options, Utils
   9 import ccroot, ar
  10 from Configure import conftest
  11
  12 @conftest
  13 def find_gcc(conf):
  14         cc = conf.find_program(['gcc', 'cc'], var='CC', mandatory=True)
  15         cc = conf.cmd_to_list(cc)
  16         ccroot.get_cc_version(conf, cc, gcc=True)
  17         conf.env.CC_NAME = 'gcc'
  18         conf.env.CC      = cc
  19
  20 @conftest
  21 def gcc_common_flags(conf):
  22         v = conf.env
  23
  24         # CPPFLAGS CCDEFINES _CCINCFLAGS _CCDEFFLAGS
  25
  26         v['CCFLAGS_DEBUG'] = ['-g']
  27
  28         v['CCFLAGS_RELEASE'] = ['-O2']
  29
  30         v['CC_SRC_F']            = ''
  31         v['CC_TGT_F']            = ['-c', '-o', ''] # shell hack for -MD
  32         v['CPPPATH_ST']          = '-I%s' # template for adding include paths
  33
  34         # linker
  35         if not v['LINK_CC']: v['LINK_CC'] = v['CC']
  36         v['CCLNK_SRC_F']         = ''
  37         v['CCLNK_TGT_F']         = ['-o', ''] # shell hack for -MD
  38
  39         v['LIB_ST']              = '-l%s' # template for adding libs
  40         v['LIBPATH_ST']          = '-L%s' # template for adding libpaths
  41         v['STATICLIB_ST']        = '-l%s'
  42         v['STATICLIBPATH_ST']    = '-L%s'
  43         v['RPATH_ST']            = '-Wl,-rpath,%s'
  44         v['CCDEFINES_ST']        = '-D%s'
  45
  46         v['SONAME_ST']           = '-Wl,-h,%s'
  47         v['SHLIB_MARKER']        = '-Wl,-Bdynamic'
  48         v['STATICLIB_MARKER']    = '-Wl,-Bstatic'
  49         v['FULLSTATIC_MARKER']   = '-static'
  50
  51         # program
  52         v['program_PATTERN']     = '%s'
  53
  54         # shared library
  55         v['shlib_CCFLAGS']       = ['-fPIC', '-DPIC'] # avoid using -DPIC, -fPIC aleady defines the __PIC__ macro
  56         v['shlib_LINKFLAGS']     = ['-shared']
  57         v['shlib_PATTERN']       = 'lib%s.so'
  58
  59         # static lib
  60         v['staticlib_LINKFLAGS'] = ['-Wl,-Bstatic']
  61         v['staticlib_PATTERN']   = 'lib%s.a'
  62
  63         # osx stuff
  64         v['LINKFLAGS_MACBUNDLE'] = ['-bundle', '-undefined', 'dynamic_lookup']
  65         v['CCFLAGS_MACBUNDLE']   = ['-fPIC']
  66         v['macbundle_PATTERN']   = '%s.bundle'
  67
  68 @conftest
  69 def gcc_modifier_win32(conf):
  70         v = conf.env
  71         v['program_PATTERN']     = '%s.exe'
  72
  73         v['shlib_PATTERN']       = '%s.dll'
  74         v['implib_PATTERN']      = 'lib%s.dll.a'
  75         v['IMPLIB_ST']           = '-Wl,--out-implib,%s'
  76
  77         dest_arch = v['DEST_CPU']
  78         v['shlib_CCFLAGS'] = ['-DPIC']
  79
  80         v.append_value('shlib_CCFLAGS', '-DDLL_EXPORT') # TODO adding nonstandard defines like this DLL_EXPORT is not a good idea
  81
  82         # Auto-import is enabled by default even without this option,
  83         # but enabling it explicitly has the nice effect of suppressing the rather boring, debug-level messages
  84         # that the linker emits otherwise.
  85         v.append_value('LINKFLAGS', '-Wl,--enable-auto-import')
  86
  87 @conftest
  88 def gcc_modifier_cygwin(conf):
  89         gcc_modifier_win32(conf)
  90         v = conf.env
  91         v['shlib_PATTERN']       = 'cyg%s.dll'
  92         v.append_value('shlib_LINKFLAGS', '-Wl,--enable-auto-image-base')
  93
  94 @conftest
  95 def gcc_modifier_darwin(conf):
  96         v = conf.env
  97         v['shlib_CCFLAGS']       = ['-fPIC', '-compatibility_version', '1', '-current_version', '1']
  98         v['shlib_LINKFLAGS']     = ['-dynamiclib']
  99         v['shlib_PATTERN']       = 'lib%s.dylib'
 100
 101         v['staticlib_LINKFLAGS'] = []
 102
 103         v['SHLIB_MARKER']        = ''
 104         v['STATICLIB_MARKER']    = ''
 105         v['SONAME_ST']           = ''
 106
 107 @conftest
 108 def gcc_modifier_aix(conf):
 109         v = conf.env
 110         v['program_LINKFLAGS']   = ['-Wl,-brtl']
 111
 112         v['shlib_LINKFLAGS']     = ['-shared','-Wl,-brtl,-bexpfull']
 113
 114         v['SHLIB_MARKER']        = ''
 115
 116 @conftest
 117 def gcc_modifier_platform(conf):
 118         # * set configurations specific for a platform.
 119         # * the destination platform is detected automatically by looking at the macros the compiler predefines,
 120         #   and if it's not recognised, it fallbacks to sys.platform.
 121         dest_os = conf.env['DEST_OS'] or Utils.unversioned_sys_platform()
 122         gcc_modifier_func = globals().get('gcc_modifier_' + dest_os)
 123         if gcc_modifier_func:
 124                         gcc_modifier_func(conf)
 125
 126 def detect(conf):
 127         conf.find_gcc()
 128         conf.find_cpp()
 129         conf.find_ar()
 130         conf.gcc_common_flags()
 131         conf.gcc_modifier_platform()
 132         conf.cc_load_tools()
 133         conf.cc_add_flags()
 134         conf.link_add_flags()
 135