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  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.     'BePC': 'x86',
  35.     'Intel': 'x86',
  36.     'ppc': 'ppc',
  37.     'BeBox': 'ppc',
  38.     'BeMac': 'ppc',
  39.     'AMD64': 'x86_64',
  40.     'x86_64': 'x86_64',
  41.     'sparc': 'sparc',
  42.     'sun4u': 'sparc',
  43. }
  44.  
  45.  
  46. # find host_machine value
  47. if 'PROCESSOR_ARCHITECTURE' in os.environ:
  48.     host_machine = os.environ['PROCESSOR_ARCHITECTURE']
  49. else:
  50.     host_machine = _platform.machine()
  51. host_machine = _machine_map.get(host_machine, 'generic')
  52.  
  53. default_machine = host_machine
  54. default_toolchain = 'default'
  55.  
  56. if target_platform == 'windows' and host_platform != 'windows':
  57.     default_machine = 'x86'
  58.     default_toolchain = 'crossmingw'
  59.  
  60.  
  61. # find default_llvm value
  62. if 'LLVM' in os.environ:
  63.     default_llvm = 'yes'
  64. else:
  65.     default_llvm = 'no'
  66.     try:
  67.         if target_platform != 'windows' and \
  68.            subprocess.call(['llvm-config', '--version'],
  69.                            stdout=subprocess.PIPE) == 0:
  70.             default_llvm = 'yes'
  71.     except:
  72.         pass
  73.  
  74.  
  75. #######################################################################
  76. # Common options
  77.  
  78. def AddOptions(opts):
  79.     try:
  80.         from SCons.Variables.BoolVariable import BoolVariable as BoolOption
  81.     except ImportError:
  82.         from SCons.Options.BoolOption import BoolOption
  83.     try:
  84.         from SCons.Variables.EnumVariable import EnumVariable as EnumOption
  85.     except ImportError:
  86.         from SCons.Options.EnumOption import EnumOption
  87.     opts.Add(EnumOption('build', 'build type', 'debug',
  88.                         allowed_values=('debug', 'checked', 'profile',
  89.                                         'release')))
  90.     opts.Add(BoolOption('verbose', 'verbose output', 'no'))
  91.     opts.Add(EnumOption('machine', 'use machine-specific assembly code',
  92.                         default_machine,
  93.                         allowed_values=('generic', 'ppc', 'x86', 'x86_64')))
  94.     opts.Add(EnumOption('platform', 'target platform', host_platform,
  95.                         allowed_values=('cygwin', 'darwin', 'freebsd', 'haiku',
  96.                                         'linux', 'sunos', 'windows')))
  97.     opts.Add(BoolOption('embedded', 'embedded build', 'no'))
  98.     opts.Add(BoolOption('analyze',
  99.                         'enable static code analysis where available', 'no'))
  100.     opts.Add('toolchain', 'compiler toolchain', default_toolchain)
  101.     opts.Add(BoolOption('gles', 'EXPERIMENTAL: enable OpenGL ES support',
  102.                         'no'))
  103.     opts.Add(BoolOption('llvm', 'use LLVM', default_llvm))
  104.     opts.Add(BoolOption('openmp', 'EXPERIMENTAL: compile with openmp (swrast)',
  105.                         'no'))
  106.     opts.Add(BoolOption('debug', 'DEPRECATED: debug build', 'yes'))
  107.     opts.Add(BoolOption('profile', 'DEPRECATED: profile build', 'no'))
  108.     opts.Add(BoolOption('quiet', 'DEPRECATED: profile build', 'yes'))
  109.     opts.Add(BoolOption('texture_float',
  110.                         'enable floating-point textures and renderbuffers',
  111.                         'no'))
  112.     if host_platform == 'windows':
  113.         opts.Add('MSVC_VERSION', 'Microsoft Visual C/C++ version')
  114.