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'
  36         default_winsys = 'xlib'
  37 elif common.default_platform in ('winddk',):
  38         default_drivers = 'softpipe,i915simple'
  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']))
  50 opts.Add(ListOption('winsys', 'winsys drivers to build', default_winsys,
  51                      ['xlib', 'intel', 'gdi']))
  52
  53 env = Environment(
  54         options = opts,
  55         tools = ['gallium'],
  56         toolpath = ['#scons'],
  57         ENV = os.environ,
  58 )
  59
  60 Help(opts.GenerateHelpText(env))
  61
  62 # replicate options values in local variables
  63 debug = env['debug']
  64 dri = env['dri']
  65 llvm = env['llvm']
  66 machine = env['machine']
  67 platform = env['platform']
  68
  69 # derived options
  70 x86 = machine == 'x86'
  71 gcc = platform in ('linux', 'freebsd', 'darwin')
  72 msvc = platform in ('windows', 'winddk')
  73
  74 Export([
  75         'debug',
  76         'x86',
  77         'dri',
  78         'llvm',
  79         'platform',
  80         'gcc',
  81         'msvc',
  82 ])
  83
  84
  85 #######################################################################
  86 # Environment setup
  87
  88 # Includes
  89 env.Append(CPPPATH = [
  90         '#/include',
  91         '#/src/gallium/include',
  92         '#/src/gallium/auxiliary',
  93         '#/src/gallium/drivers',
  94 ])
  95
  96
  97 # Posix
  98 if platform in ('posix', 'linux', 'freebsd', 'darwin'):
  99         env.Append(CPPDEFINES = [
 100                 '_POSIX_SOURCE',
 101                 ('_POSIX_C_SOURCE', '199309L'),
 102                 '_SVID_SOURCE',
 103                 '_BSD_SOURCE',
 104                 '_GNU_SOURCE',
 105
 106                 'PTHREADS',
 107                 'HAVE_POSIX_MEMALIGN',
 108         ])
 109         env.Append(CPPPATH = ['/usr/X11R6/include'])
 110         env.Append(LIBPATH = ['/usr/X11R6/lib'])
 111         env.Append(LIBS = [
 112                 'm',
 113                 'pthread',
 114                 'expat',
 115                 'dl',
 116         ])
 117
 118
 119 # DRI
 120 if dri:
 121         env.ParseConfig('pkg-config --cflags --libs libdrm')
 122         env.Append(CPPDEFINES = [
 123                 ('USE_EXTERNAL_DXTN_LIB', '1'),
 124                 'IN_DRI_DRIVER',
 125                 'GLX_DIRECT_RENDERING',
 126                 'GLX_INDIRECT_RENDERING',
 127         ])
 128
 129 # LLVM
 130 if llvm:
 131         # See also http://www.scons.org/wiki/UsingPkgConfig
 132         env.ParseConfig('llvm-config --cflags --ldflags --libs')
 133         env.Append(CPPDEFINES = ['MESA_LLVM'])
 134         # Force C++ linkage
 135         env['LINK'] = env['CXX']
 136
 137 # libGL
 138 if platform in ('linux', 'freebsd', 'darwin'):
 139         env.Append(LIBS = [
 140                 'X11',
 141                 'Xext',
 142                 'Xxf86vm',
 143                 'Xdamage',
 144                 'Xfixes',
 145         ])
 146
 147 # for debugging
 148 #print env.Dump()
 149
 150 Export('env')
 151
 152
 153 #######################################################################
 154 # Invoke SConscripts
 155
 156 # TODO: Build several variants at the same time?
 157 # http://www.scons.org/wiki/SimultaneousVariantBuilds
 158
 159 SConscript(
 160         'src/SConscript',
 161         build_dir = env['build'],
 162         duplicate = 0 # http://www.scons.org/doc/0.97/HTML/scons-user/x2261.html
 163 )