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 import SCons.Script.SConscript
  12
  13
  14 #######################################################################
  15 # Defaults
  16
  17 host_platform = _platform.system().lower()
  18 if host_platform.startswith('cygwin'):
  19     host_platform = 'cygwin'
  20
  21 # Search sys.argv[] for a "platform=foo" argument since we don't have
  22 # an 'env' variable at this point.
  23 if 'platform' in SCons.Script.ARGUMENTS:
  24     target_platform = SCons.Script.ARGUMENTS['platform']
  25 else:
  26     target_platform = host_platform
  27
  28 _machine_map = {
  29         'x86': 'x86',
  30         'i386': 'x86',
  31         'i486': 'x86',
  32         'i586': 'x86',
  33         'i686': 'x86',
  34         'ppc' : 'ppc',
  35         'AMD64': 'x86_64',
  36         'x86_64': 'x86_64',
  37 }
  38
  39
  40 # find host_machine value
  41 if 'PROCESSOR_ARCHITECTURE' in os.environ:
  42         host_machine = os.environ['PROCESSOR_ARCHITECTURE']
  43 else:
  44         host_machine = _platform.machine()
  45 host_machine = _machine_map.get(host_machine, 'generic')
  46
  47 default_machine = host_machine
  48 default_toolchain = 'default'
  49
  50 if target_platform == 'windows' and host_platform != 'windows':
  51     default_machine = 'x86'
  52     default_toolchain = 'crossmingw'
  53
  54
  55 # find default_llvm value
  56 if 'LLVM' in os.environ:
  57     default_llvm = 'yes'
  58 else:
  59     default_llvm = 'no'
  60     try:
  61         if target_platform != 'windows' and \
  62            subprocess.call(['llvm-config', '--version'], stdout=subprocess.PIPE) == 0:
  63             default_llvm = 'yes'
  64     except:
  65         pass
  66
  67
  68 #######################################################################
  69 # Common options
  70
  71 def AddOptions(opts):
  72         try:
  73                 from SCons.Variables.BoolVariable import BoolVariable as BoolOption
  74         except ImportError:
  75                 from SCons.Options.BoolOption import BoolOption
  76         try:
  77                 from SCons.Variables.EnumVariable import EnumVariable as EnumOption
  78         except ImportError:
  79                 from SCons.Options.EnumOption import EnumOption
  80         opts.Add(EnumOption('build', 'build type', 'debug',
  81                           allowed_values=('debug', 'checked', 'profile', 'release')))
  82         opts.Add(BoolOption('verbose', 'verbose output', 'no'))
  83         opts.Add(EnumOption('machine', 'use machine-specific assembly code', default_machine,
  84                                                                                          allowed_values=('generic', 'ppc', 'x86', 'x86_64')))
  85         opts.Add(EnumOption('platform', 'target platform', host_platform,
  86                                                                                          allowed_values=('linux', 'windows', 'darwin', 'cygwin', 'sunos', 'freebsd8')))
  87         opts.Add(BoolOption('embedded', 'embedded build', 'no'))
  88         opts.Add('toolchain', 'compiler toolchain', default_toolchain)
  89         opts.Add(BoolOption('gles', 'EXPERIMENTAL: enable OpenGL ES support', 'no'))
  90         opts.Add(BoolOption('llvm', 'use LLVM', default_llvm))
  91         opts.Add(BoolOption('openmp', 'EXPERIMENTAL: compile with openmp (swrast)', 'no'))
  92         opts.Add(BoolOption('debug', 'DEPRECATED: debug build', 'yes'))
  93         opts.Add(BoolOption('profile', 'DEPRECATED: profile build', 'no'))
  94         opts.Add(BoolOption('quiet', 'DEPRECATED: profile build', 'yes'))
  95         if host_platform == 'windows':
  96                 opts.Add(EnumOption('MSVS_VERSION', 'MS Visual C++ version', None, allowed_values=('7.1', '8.0', '9.0')))