SConstruct

   1 #######################################################################
   2 # Top-level SConstruct
   3 #
   4 # For example, invoke scons as
   5 #
   6 #   scons build=debug llvm=yes machine=x86
   7 #
   8 # to set configuration variables. Or you can write those options to a file
   9 # named config.py:
  10 #
  11 #   # config.py
  12 #   build='debug'
  13 #   llvm=True
  14 #   machine='x86'
  15 #
  16 # Invoke
  17 #
  18 #   scons -h
  19 #
  20 # to get the full list of options. See scons manpage for more info.
  21 #
  22
  23 import os
  24 import os.path
  25 import sys
  26 import SCons.Util
  27
  28 import common
  29
  30 #######################################################################
  31 # Configuration options
  32
  33 opts = Variables('config.py')
  34 common.AddOptions(opts)
  35 opts.Add(EnumVariable('MSVS_VERSION', 'MS Visual C++ version', None, allowed_values=('7.1', '8.0', '9.0')))
  36
  37 env = Environment(
  38         options = opts,
  39         tools = ['gallium'],
  40         toolpath = ['#scons'],
  41         ENV = os.environ,
  42 )
  43
  44 # Backwards compatability with old target configuration variable
  45 try:
  46     targets = ARGUMENTS['targets']
  47 except KeyError:
  48     pass
  49 else:
  50     targets = targets.split(',')
  51     print 'scons: warning: targets option is deprecated; pass the targets on their own such as'
  52     print
  53     print '  scons %s' % ' '.join(targets)
  54     print
  55     COMMAND_LINE_TARGETS.append(targets)
  56
  57
  58 Help(opts.GenerateHelpText(env))
  59
  60
  61 #######################################################################
  62 # Environment setup
  63
  64 # Includes
  65 env.Prepend(CPPPATH = [
  66         '#/include',
  67 ])
  68 env.Append(CPPPATH = [
  69         '#/src/gallium/include',
  70         '#/src/gallium/auxiliary',
  71         '#/src/gallium/drivers',
  72         '#/src/gallium/winsys',
  73 ])
  74
  75 if env['msvc']:
  76     env.Append(CPPPATH = ['#include/c99'])
  77
  78 # Embedded
  79 if env['platform'] == 'embedded':
  80         env.Append(CPPDEFINES = [
  81                 '_POSIX_SOURCE',
  82                 ('_POSIX_C_SOURCE', '199309L'),
  83                 '_SVID_SOURCE',
  84                 '_BSD_SOURCE',
  85                 '_GNU_SOURCE',
  86
  87                 'PTHREADS',
  88         ])
  89         env.Append(LIBS = [
  90                 'm',
  91                 'pthread',
  92                 'dl',
  93         ])
  94
  95 # Posix
  96 if env['platform'] in ('posix', 'linux', 'freebsd', 'darwin'):
  97         env.Append(CPPDEFINES = [
  98                 '_POSIX_SOURCE',
  99                 ('_POSIX_C_SOURCE', '199309L'),
 100                 '_SVID_SOURCE',
 101                 '_BSD_SOURCE',
 102                 '_GNU_SOURCE',
 103                 'PTHREADS',
 104                 'HAVE_POSIX_MEMALIGN',
 105         ])
 106         if env['gcc']:
 107                 env.Append(CFLAGS = ['-fvisibility=hidden'])
 108         if env['platform'] == 'darwin':
 109                 env.Append(CPPDEFINES = ['_DARWIN_C_SOURCE'])
 110         env.Append(LIBS = [
 111                 'm',
 112                 'pthread',
 113                 'dl',
 114         ])
 115
 116 # for debugging
 117 #print env.Dump()
 118
 119 Export('env')
 120
 121
 122 #######################################################################
 123 # Invoke SConscripts
 124
 125 # TODO: Build several variants at the same time?
 126 # http://www.scons.org/wiki/SimultaneousVariantBuilds
 127
 128 SConscript(
 129         'src/SConscript',
 130         variant_dir = env['build_dir'],
 131         duplicate = 0 # http://www.scons.org/doc/0.97/HTML/scons-user/x2261.html
 132 )
 133