third_party/waf/waflib/Tools/gcc.py

   1 #! /usr/bin/env python
   2 # encoding: utf-8
   3 # WARNING! Do not edit! https://waf.io/book/index.html#_obtaining_the_waf_file
   4
   5 #!/usr/bin/env python
   6 # encoding: utf-8
   7 # Thomas Nagy, 2006-2016 (ita)
   8 # Ralf Habacker, 2006 (rh)
   9 # Yinon Ehrlich, 2009
  10
  11 """
  12 gcc/llvm detection.
  13 """
  14
  15 from waflib.Tools import ccroot, ar
  16 from waflib.Configure import conf
  17
  18 @conf
  19 def find_gcc(conf):
  20         """
  21         Find the program gcc, and if present, try to detect its version number
  22         """
  23         cc = conf.find_program(['gcc', 'cc'], var='CC')
  24         conf.get_cc_version(cc, gcc=True)
  25         conf.env.CC_NAME = 'gcc'
  26
  27 @conf
  28 def gcc_common_flags(conf):
  29         """
  30         Common flags for gcc on nearly all platforms
  31         """
  32         v = conf.env
  33
  34         v.CC_SRC_F            = []
  35         v.CC_TGT_F            = ['-c', '-o']
  36
  37         if not v.LINK_CC:
  38                 v.LINK_CC = v.CC
  39
  40         v.CCLNK_SRC_F         = []
  41         v.CCLNK_TGT_F         = ['-o']
  42         v.CPPPATH_ST          = '-I%s'
  43         v.DEFINES_ST          = '-D%s'
  44
  45         v.LIB_ST              = '-l%s' # template for adding libs
  46         v.LIBPATH_ST          = '-L%s' # template for adding libpaths
  47         v.STLIB_ST            = '-l%s'
  48         v.STLIBPATH_ST        = '-L%s'
  49         v.RPATH_ST            = '-Wl,-rpath,%s'
  50
  51         v.SONAME_ST           = '-Wl,-h,%s'
  52         v.SHLIB_MARKER        = '-Wl,-Bdynamic'
  53         v.STLIB_MARKER        = '-Wl,-Bstatic'
  54
  55         v.cprogram_PATTERN    = '%s'
  56
  57         v.CFLAGS_cshlib       = ['-fPIC']
  58         v.LINKFLAGS_cshlib    = ['-shared']
  59         v.cshlib_PATTERN      = 'lib%s.so'
  60
  61         v.LINKFLAGS_cstlib    = ['-Wl,-Bstatic']
  62         v.cstlib_PATTERN      = 'lib%s.a'
  63
  64         v.LINKFLAGS_MACBUNDLE = ['-bundle', '-undefined', 'dynamic_lookup']
  65         v.CFLAGS_MACBUNDLE    = ['-fPIC']
  66         v.macbundle_PATTERN   = '%s.bundle'
  67
  68 @conf
  69 def gcc_modifier_win32(conf):
  70         """Configuration flags for executing gcc on Windows"""
  71         v = conf.env
  72         v.cprogram_PATTERN    = '%s.exe'
  73
  74         v.cshlib_PATTERN      = '%s.dll'
  75         v.implib_PATTERN      = 'lib%s.dll.a'
  76         v.IMPLIB_ST           = '-Wl,--out-implib,%s'
  77
  78         v.CFLAGS_cshlib       = []
  79
  80         # Auto-import is enabled by default even without this option,
  81         # but enabling it explicitly has the nice effect of suppressing the rather boring, debug-level messages
  82         # that the linker emits otherwise.
  83         v.append_value('LINKFLAGS', ['-Wl,--enable-auto-import'])
  84
  85 @conf
  86 def gcc_modifier_cygwin(conf):
  87         """Configuration flags for executing gcc on Cygwin"""
  88         gcc_modifier_win32(conf)
  89         v = conf.env
  90         v.cshlib_PATTERN = 'cyg%s.dll'
  91         v.append_value('LINKFLAGS_cshlib', ['-Wl,--enable-auto-image-base'])
  92         v.CFLAGS_cshlib = []
  93
  94 @conf
  95 def gcc_modifier_darwin(conf):
  96         """Configuration flags for executing gcc on MacOS"""
  97         v = conf.env
  98         v.CFLAGS_cshlib       = ['-fPIC']
  99         v.LINKFLAGS_cshlib    = ['-dynamiclib']
 100         v.cshlib_PATTERN      = 'lib%s.dylib'
 101         v.FRAMEWORKPATH_ST    = '-F%s'
 102         v.FRAMEWORK_ST        = ['-framework']
 103         v.ARCH_ST             = ['-arch']
 104
 105         v.LINKFLAGS_cstlib    = []
 106
 107         v.SHLIB_MARKER        = []
 108         v.STLIB_MARKER        = []
 109         v.SONAME_ST           = []
 110
 111 @conf
 112 def gcc_modifier_aix(conf):
 113         """Configuration flags for executing gcc on AIX"""
 114         v = conf.env
 115         v.LINKFLAGS_cprogram  = ['-Wl,-brtl']
 116         v.LINKFLAGS_cshlib    = ['-shared','-Wl,-brtl,-bexpfull']
 117         v.SHLIB_MARKER        = []
 118
 119 @conf
 120 def gcc_modifier_hpux(conf):
 121         v = conf.env
 122         v.SHLIB_MARKER        = []
 123         v.STLIB_MARKER        = []
 124         v.CFLAGS_cshlib       = ['-fPIC','-DPIC']
 125         v.cshlib_PATTERN      = 'lib%s.sl'
 126
 127 @conf
 128 def gcc_modifier_openbsd(conf):
 129         conf.env.SONAME_ST = []
 130
 131 @conf
 132 def gcc_modifier_osf1V(conf):
 133         v = conf.env
 134         v.SHLIB_MARKER        = []
 135         v.STLIB_MARKER        = []
 136         v.SONAME_ST           = []
 137
 138 @conf
 139 def gcc_modifier_platform(conf):
 140         """Execute platform-specific functions based on *gcc_modifier_+NAME*"""
 141         # * set configurations specific for a platform.
 142         # * the destination platform is detected automatically by looking at the macros the compiler predefines,
 143         #   and if it's not recognised, it fallbacks to sys.platform.
 144         gcc_modifier_func = getattr(conf, 'gcc_modifier_' + conf.env.DEST_OS, None)
 145         if gcc_modifier_func:
 146                 gcc_modifier_func()
 147
 148 def configure(conf):
 149         """
 150         Configuration for gcc
 151         """
 152         conf.find_gcc()
 153         conf.find_ar()
 154         conf.gcc_common_flags()
 155         conf.gcc_modifier_platform()
 156         conf.cc_load_tools()
 157         conf.cc_add_flags()
 158         conf.link_add_flags()