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 if common.default_platform in ('linux', 'freebsd', 'darwin'):
  33         default_statetrackers = 'all'
  34         default_drivers = 'softpipe,failover,i915simple,i965simple'
  35         default_winsys = 'xlib'
  36 elif common.default_platform in ('winddk',):
  37         default_statetrackers = 'all'
  38         default_drivers = 'softpipe,i915simple'
  39         default_winsys = 'all'
  40 else:
  41         default_statetrackers = 'all'
  42         default_drivers = 'all'
  43         default_winsys = 'all'
  44
  45 opts = Options('config.py')
  46 common.AddOptions(opts)
  47 opts.Add(ListOption('statetrackers', 'state_trackers to build', default_statetrackers,
  48                      ['mesa']))
  49 opts.Add(ListOption('drivers', 'pipe drivers to build', default_drivers,
  50                      ['softpipe', 'failover', 'i915simple', 'i965simple', 'cell']))
  51 opts.Add(ListOption('winsys', 'winsys drivers to build', default_winsys,
  52                      ['xlib', 'intel', 'gdi']))
  53
  54 env = Environment(
  55         options = opts,
  56         tools = ['gallium'],
  57         toolpath = ['scons'],
  58         ENV = os.environ,
  59 )
  60
  61 Help(opts.GenerateHelpText(env))
  62
  63 # replicate options values in local variables
  64 debug = env['debug']
  65 dri = env['dri']
  66 llvm = env['llvm']
  67 machine = env['machine']
  68 platform = env['platform']
  69
  70 # derived options
  71 x86 = machine == 'x86'
  72 gcc = platform in ('linux', 'freebsd', 'darwin')
  73 msvc = platform in ('windows', 'winddk')
  74
  75 Export([
  76         'debug',
  77         'x86',
  78         'dri',
  79         'llvm',
  80         'platform',
  81         'gcc',
  82         'msvc',
  83 ])
  84
  85
  86 #######################################################################
  87 # Environment setup
  88
  89 # Includes
  90 env.Append(CPPPATH = [
  91         '#/include',
  92         '#/src/gallium/include',
  93         '#/src/gallium/auxiliary',
  94         '#/src/gallium/drivers',
  95 ])
  96
  97
  98 # Posix
  99 if platform in ('posix', 'linux', 'freebsd', 'darwin'):
 100         env.Append(CPPDEFINES = [
 101                 '_POSIX_SOURCE',
 102                 ('_POSIX_C_SOURCE', '199309L'),
 103                 '_SVID_SOURCE',
 104                 '_BSD_SOURCE',
 105                 '_GNU_SOURCE',
 106
 107                 'PTHREADS',
 108                 'HAVE_POSIX_MEMALIGN',
 109         ])
 110         env.Append(CPPPATH = ['/usr/X11R6/include'])
 111         env.Append(LIBPATH = ['/usr/X11R6/lib'])
 112         env.Append(LIBS = [
 113                 'm',
 114                 'pthread',
 115                 'expat',
 116                 'dl',
 117         ])
 118
 119
 120 # DRI
 121 if dri:
 122         env.ParseConfig('pkg-config --cflags --libs libdrm')
 123         env.Append(CPPDEFINES = [
 124                 ('USE_EXTERNAL_DXTN_LIB', '1'),
 125                 'IN_DRI_DRIVER',
 126                 'GLX_DIRECT_RENDERING',
 127                 'GLX_INDIRECT_RENDERING',
 128         ])
 129
 130 # LLVM
 131 if llvm:
 132         # See also http://www.scons.org/wiki/UsingPkgConfig
 133         env.ParseConfig('llvm-config --cflags --ldflags --libs')
 134         env.Append(CPPDEFINES = ['MESA_LLVM'])
 135         # Force C++ linkage
 136         env['LINK'] = env['CXX']
 137
 138 # libGL
 139 if platform in ('linux', 'freebsd', 'darwin'):
 140         env.Append(LIBS = [
 141                 'X11',
 142                 'Xext',
 143                 'Xxf86vm',
 144                 'Xdamage',
 145                 'Xfixes',
 146         ])
 147
 148 # for debugging
 149 #print env.Dump()
 150
 151 Export('env')
 152
 153
 154 #######################################################################
 155 # Invoke SConscripts
 156
 157 # TODO: Build several variants at the same time?
 158 # http://www.scons.org/wiki/SimultaneousVariantBuilds
 159
 160 SConscript(
 161         'src/SConscript',
 162         build_dir = env['build'],
 163         duplicate = 0 # http://www.scons.org/doc/0.97/HTML/scons-user/x2261.html
 164 )