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 print "sys.argv = " + sys.argv[2]
  42
  43
  44 # find default_llvm value
  45 if 'LLVM' in os.environ:
  46     default_llvm = 'yes'
  47 else:
  48     # Search sys.argv[] for a "platform=foo" argument since we don't have
  49     # an 'env' variable at this point.
  50     platform = default_platform
  51     pattern = re.compile("(platform=)(.*)")
  52     for arg in sys.argv:
  53         m = pattern.match(arg)
  54         if m:
  55             platform = m.group(2)
  56
  57     default_llvm = 'no'
  58     try:
  59         if platform != 'windows' and subprocess.call(['llvm-config', '--version'], stdout=subprocess.PIPE) == 0:
  60             default_llvm = 'yes'
  61     except:
  62         pass
  63
  64
  65 # find default_dri value
  66 if default_platform in ('linux', 'freebsd'):
  67         default_dri = 'yes'
  68 elif default_platform in ('winddk', 'windows', 'wince', 'darwin'):
  69         default_dri = 'no'
  70 else:
  71         default_dri = 'no'
  72
  73
  74 #######################################################################
  75 # Common options
  76
  77 def AddOptions(opts):
  78         try:
  79                 from SCons.Variables.BoolVariable import BoolVariable as BoolOption
  80         except ImportError:
  81                 from SCons.Options.BoolOption import BoolOption
  82         try:
  83                 from SCons.Variables.EnumVariable import EnumVariable as EnumOption
  84         except ImportError:
  85                 from SCons.Options.EnumOption import EnumOption
  86         opts.Add(BoolOption('debug', 'debug build', 'yes'))
  87         opts.Add(BoolOption('profile', 'profile build', 'no'))
  88         opts.Add(BoolOption('quiet', 'quiet command lines', 'yes'))
  89         opts.Add(EnumOption('machine', 'use machine-specific assembly code', default_machine,
  90                                                                                          allowed_values=('generic', 'ppc', 'x86', 'x86_64')))
  91         opts.Add(EnumOption('platform', 'target platform', default_platform,
  92                                                                                          allowed_values=('linux', 'cell', 'windows', 'winddk', 'wince', 'darwin', 'embedded')))
  93         opts.Add('toolchain', 'compiler toolchain', 'default')
  94         opts.Add(BoolOption('llvm', 'use LLVM', default_llvm))
  95         opts.Add(BoolOption('dri', 'build DRI drivers', default_dri))