SConstruct

   1 #######################################################################
   2 # Top-level SConstruct
   3 #
   4 # For example, invoke scons as
   5 #
   6 #   scons debug=1 dri=0 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 #   debug=1
  13 #   dri=0
  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
  27 import common
  28
  29 #######################################################################
  30 # Configuration options
  31
  32 default_statetrackers = 'mesa'
  33
  34 if common.default_platform in ('linux', 'freebsd', 'darwin'):
  35         default_drivers = 'softpipe,failover,i915simple,i965simple,trace'
  36         default_winsys = 'xlib'
  37 elif common.default_platform in ('winddk',):
  38         default_drivers = 'softpipe,i915simple,trace'
  39         default_winsys = 'all'
  40 else:
  41         default_drivers = 'all'
  42         default_winsys = 'all'
  43
  44 opts = Options('config.py')
  45 common.AddOptions(opts)
  46 opts.Add(ListOption('statetrackers', 'state trackers to build', default_statetrackers,
  47                      ['mesa', 'python']))
  48 opts.Add(ListOption('drivers', 'pipe drivers to build', default_drivers,
  49                      ['softpipe', 'failover', 'i915simple', 'i965simple', 'cell', 'trace']))
  50 opts.Add(ListOption('winsys', 'winsys drivers to build', default_winsys,
  51                      ['xlib', 'intel', 'gdi']))
  52
  53 opts.Add(EnumOption('MSVS_VERSION', 'MS Visual C++ version', None, allowed_values=('7.1', '8.0', '9.0')))
  54
  55 env = Environment(
  56         options = opts,
  57         tools = ['gallium'],
  58         toolpath = ['#scons'],
  59         ENV = os.environ,
  60 )
  61
  62 Help(opts.GenerateHelpText(env))
  63
  64 # replicate options values in local variables
  65 debug = env['debug']
  66 dri = env['dri']
  67 llvm = env['llvm']
  68 machine = env['machine']
  69 platform = env['platform']
  70
  71 # derived options
  72 x86 = machine == 'x86'
  73 gcc = platform in ('linux', 'freebsd', 'darwin')
  74 msvc = platform in ('windows', 'winddk')
  75
  76 Export([
  77         'debug',
  78         'x86',
  79         'dri',
  80         'llvm',
  81         'platform',
  82         'gcc',
  83         'msvc',
  84 ])
  85
  86
  87 #######################################################################
  88 # Environment setup
  89
  90 # Includes
  91 env.Append(CPPPATH = [
  92         '#/include',
  93         '#/src/gallium/include',
  94         '#/src/gallium/auxiliary',
  95         '#/src/gallium/drivers',
  96 ])
  97
  98
  99 # Posix
 100 if platform in ('posix', 'linux', 'freebsd', 'darwin'):
 101         env.Append(CPPDEFINES = [
 102                 '_POSIX_SOURCE',
 103                 ('_POSIX_C_SOURCE', '199309L'),
 104                 '_SVID_SOURCE',
 105                 '_BSD_SOURCE',
 106                 '_GNU_SOURCE',
 107
 108                 'PTHREADS',
 109                 'HAVE_POSIX_MEMALIGN',
 110         ])
 111         env.Append(CPPPATH = ['/usr/X11R6/include'])
 112         env.Append(LIBPATH = ['/usr/X11R6/lib'])
 113         env.Append(LIBS = [
 114                 'm',
 115                 'pthread',
 116                 'expat',
 117                 'dl',
 118         ])
 119
 120
 121 # DRI
 122 if dri:
 123         env.ParseConfig('pkg-config --cflags --libs libdrm')
 124         env.Append(CPPDEFINES = [
 125                 ('USE_EXTERNAL_DXTN_LIB', '1'),
 126                 'IN_DRI_DRIVER',
 127                 'GLX_DIRECT_RENDERING',
 128                 'GLX_INDIRECT_RENDERING',
 129         ])
 130
 131 # LLVM
 132 if llvm:
 133         # See also http://www.scons.org/wiki/UsingPkgConfig
 134         env.ParseConfig('llvm-config --cflags --ldflags --libs')
 135         env.Append(CPPDEFINES = ['MESA_LLVM'])
 136         # Force C++ linkage
 137         env['LINK'] = env['CXX']
 138
 139 # libGL
 140 if platform in ('linux', 'freebsd', 'darwin'):
 141         env.Append(LIBS = [
 142                 'X11',
 143                 'Xext',
 144                 'Xxf86vm',
 145                 'Xdamage',
 146                 'Xfixes',
 147         ])
 148
 149 # for debugging
 150 #print env.Dump()
 151
 152 Export('env')
 153
 154
 155 #######################################################################
 156 # Invoke SConscripts
 157
 158 # TODO: Build several variants at the same time?
 159 # http://www.scons.org/wiki/SimultaneousVariantBuilds
 160
 161 SConscript(
 162         'src/SConscript',
 163         build_dir = env['build'],
 164         duplicate = 0 # http://www.scons.org/doc/0.97/HTML/scons-user/x2261.html
 165 )