common.py

   1 #######################################################################
   2 # Common SCons code
   3
   4 import os
   5 import os.path
   6 import subprocess
   7 import sys
   8 import platform as _platform
   9
  10
  11 #######################################################################
  12 # Defaults
  13
  14 _platform_map = {
  15         'linux2': 'linux',
  16         'win32': 'windows',
  17 }
  18
  19 default_platform = sys.platform
  20 default_platform = _platform_map.get(default_platform, default_platform)
  21
  22 _machine_map = {
  23         'x86': 'x86',
  24         'i386': 'x86',
  25         'i486': 'x86',
  26         'i586': 'x86',
  27         'i686': 'x86',
  28         'ppc' : 'ppc',
  29         'x86_64': 'x86_64',
  30 }
  31 if 'PROCESSOR_ARCHITECTURE' in os.environ:
  32         default_machine = os.environ['PROCESSOR_ARCHITECTURE']
  33 else:
  34         default_machine = _platform.machine()
  35 default_machine = _machine_map.get(default_machine, 'generic')
  36
  37 if 'LLVM' in os.environ or subprocess.call(['llvm-config', '--version'], stdout=subprocess.PIPE) == 0:
  38     default_llvm = 'yes'
  39 else:
  40     default_llvm = 'no'
  41
  42 if default_platform in ('linux', 'freebsd'):
  43         default_dri = 'yes'
  44 elif default_platform in ('winddk', 'windows', 'wince', 'darwin'):
  45         default_dri = 'no'
  46 else:
  47         default_dri = 'no'
  48
  49
  50 #######################################################################
  51 # Common options
  52
  53 def AddOptions(opts):
  54         try:
  55                 from SCons.Variables.BoolVariable import BoolVariable as BoolOption
  56         except ImportError:
  57                 from SCons.Options.BoolOption import BoolOption
  58         try:
  59                 from SCons.Variables.EnumVariable import EnumVariable as EnumOption
  60         except ImportError:
  61                 from SCons.Options.EnumOption import EnumOption
  62         opts.Add(BoolOption('debug', 'debug build', 'no'))
  63         opts.Add(BoolOption('profile', 'profile build', 'no'))
  64         opts.Add(BoolOption('quiet', 'quiet command lines', 'yes'))
  65         opts.Add(EnumOption('machine', 'use machine-specific assembly code', default_machine,
  66                                                                                          allowed_values=('generic', 'ppc', 'x86', 'x86_64')))
  67         opts.Add(EnumOption('platform', 'target platform', default_platform,
  68                                                                                          allowed_values=('linux', 'cell', 'windows', 'winddk', 'wince', 'darwin', 'embedded')))
  69         opts.Add('toolchain', 'compiler toolchain', 'default')
  70         opts.Add(BoolOption('llvm', 'use LLVM', default_llvm))
  71         opts.Add(BoolOption('dri', 'build DRI drivers', default_dri))