common.py

   1 #######################################################################
   2 # Common SCons code
   3
   4 import os
   5 import os.path
   6 import re
   7 import subprocess
   8 import sys
   9 import platform as _platform
  10
  11
  12 #######################################################################
  13 # Defaults
  14
  15 _platform_map = {
  16         'linux2': 'linux',
  17         'win32': 'windows',
  18 }
  19
  20 default_platform = sys.platform
  21 default_platform = _platform_map.get(default_platform, default_platform)
  22
  23 _machine_map = {
  24         'x86': 'x86',
  25         'i386': 'x86',
  26         'i486': 'x86',
  27         'i586': 'x86',
  28         'i686': 'x86',
  29         'ppc' : 'ppc',
  30         'x86_64': 'x86_64',
  31 }
  32
  33
  34 # find default_machine value
  35 if 'PROCESSOR_ARCHITECTURE' in os.environ:
  36         default_machine = os.environ['PROCESSOR_ARCHITECTURE']
  37 else:
  38         default_machine = _platform.machine()
  39 default_machine = _machine_map.get(default_machine, 'generic')
  40
  41
  42 # find default_llvm value
  43 if 'LLVM' in os.environ:
  44     default_llvm = 'yes'
  45 else:
  46     # Search sys.argv[] for a "platform=foo" argument since we don't have
  47     # an 'env' variable at this point.
  48     platform = default_platform
  49     pattern = re.compile("(platform=)(.*)")
  50     for arg in sys.argv:
  51         m = pattern.match(arg)
  52         if m:
  53             platform = m.group(2)
  54
  55     default_llvm = 'no'
  56     try:
  57         if platform != 'windows' and subprocess.call(['llvm-config', '--version'], stdout=subprocess.PIPE) == 0:
  58             default_llvm = 'yes'
  59     except:
  60         pass
  61
  62
  63 # find default_dri value
  64 if default_platform in ('linux', 'freebsd'):
  65         default_dri = 'yes'
  66 elif default_platform in ('winddk', 'windows', 'wince', 'darwin'):
  67         default_dri = 'no'
  68 else:
  69         default_dri = 'no'
  70
  71
  72 #######################################################################
  73 # Common options
  74
  75 def AddOptions(opts):
  76         try:
  77                 from SCons.Variables.BoolVariable import BoolVariable as BoolOption
  78         except ImportError:
  79                 from SCons.Options.BoolOption import BoolOption
  80         try:
  81                 from SCons.Variables.EnumVariable import EnumVariable as EnumOption
  82         except ImportError:
  83                 from SCons.Options.EnumOption import EnumOption
  84         opts.Add(BoolOption('debug', 'debug build', 'yes'))
  85         opts.Add(BoolOption('profile', 'profile build', 'no'))
  86         opts.Add(BoolOption('quiet', 'quiet command lines', 'yes'))
  87         opts.Add(EnumOption('machine', 'use machine-specific assembly code', default_machine,
  88                                                                                          allowed_values=('generic', 'ppc', 'x86', 'x86_64')))
  89         opts.Add(EnumOption('platform', 'target platform', default_platform,
  90                                                                                          allowed_values=('linux', 'cell', 'windows', 'winddk', 'wince', 'darwin', 'embedded', 'cygwin', 'sunos5', 'freebsd8')))
  91         opts.Add('toolchain', 'compiler toolchain', 'default')
  92         opts.Add(BoolOption('llvm', 'use LLVM', default_llvm))
  93         opts.Add(BoolOption('dri', 'build DRI drivers', default_dri))