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         MSVS_VERSION = '7.1',
  56         options = opts,
  57         ENV = os.environ)
  58 Help(opts.GenerateHelpText(env))
  59
  60 # replicate options values in local variables
  61 debug = env['debug']
  62 dri = env['dri']
  63 llvm = env['llvm']
  64 machine = env['machine']
  65 platform = env['platform']
  66
  67 # derived options
  68 x86 = machine == 'x86'
  69 gcc = platform in ('linux', 'freebsd', 'darwin')
  70 msvc = platform in ('windows', 'winddk')
  71
  72 Export([
  73         'debug',
  74         'x86',
  75         'dri',
  76         'llvm',
  77         'platform',
  78         'gcc',
  79         'msvc',
  80 ])
  81
  82
  83 #######################################################################
  84 # Environment setup
  85 #
  86 # TODO: put the compiler specific settings in separate files
  87 # TODO: auto-detect as much as possible
  88
  89 if platform == 'winddk':
  90         env.Tool('winddk', ['scons'])
  91
  92         env.Append(CPPPATH = [
  93                 env['SDK_INC_PATH'],
  94                 env['DDK_INC_PATH'],
  95                 env['WDM_INC_PATH'],
  96                 env['CRT_INC_PATH'],
  97         ])
  98
  99 if platform == 'wince':
 100         env.Tool('evc', ['scons'])
 101
 102 common.generate(env)
 103
 104
 105 # Includes
 106 env.Append(CPPPATH = [
 107         '#/include',
 108         '#/src/gallium/include',
 109         '#/src/gallium/auxiliary',
 110         '#/src/gallium/drivers',
 111 ])
 112
 113
 114 # x86 assembly
 115 if x86:
 116         if gcc:
 117                 env.Append(CFLAGS = '-m32')
 118                 env.Append(CXXFLAGS = '-m32')
 119
 120
 121 # Posix
 122 if platform in ('posix', 'linux', 'freebsd', 'darwin'):
 123         env.Append(CPPDEFINES = [
 124                 '_POSIX_SOURCE',
 125                 ('_POSIX_C_SOURCE', '199309L'),
 126                 '_SVID_SOURCE',
 127                 '_BSD_SOURCE',
 128                 '_GNU_SOURCE',
 129
 130                 'PTHREADS',
 131                 'HAVE_POSIX_MEMALIGN',
 132         ])
 133         env.Append(CPPPATH = ['/usr/X11R6/include'])
 134         env.Append(LIBPATH = ['/usr/X11R6/lib'])
 135         env.Append(LIBS = [
 136                 'm',
 137                 'pthread',
 138                 'expat',
 139                 'dl',
 140         ])
 141
 142
 143 # DRI
 144 if dri:
 145         env.ParseConfig('pkg-config --cflags --libs libdrm')
 146         env.Append(CPPDEFINES = [
 147                 ('USE_EXTERNAL_DXTN_LIB', '1'),
 148                 'IN_DRI_DRIVER',
 149                 'GLX_DIRECT_RENDERING',
 150                 'GLX_INDIRECT_RENDERING',
 151         ])
 152
 153 # LLVM
 154 if llvm:
 155         # See also http://www.scons.org/wiki/UsingPkgConfig
 156         env.ParseConfig('llvm-config --cflags --ldflags --libs')
 157         env.Append(CPPDEFINES = ['MESA_LLVM'])
 158         # Force C++ linkage
 159         env['LINK'] = env['CXX']
 160
 161 # libGL
 162 if platform in ('linux', 'freebsd', 'darwin'):
 163         env.Append(LIBS = [
 164                 'X11',
 165                 'Xext',
 166                 'Xxf86vm',
 167                 'Xdamage',
 168                 'Xfixes',
 169         ])
 170
 171 # for debugging
 172 #print env.Dump()
 173
 174 Export('env')
 175
 176
 177 #######################################################################
 178 # Invoke SConscripts
 179
 180 # TODO: Build several variants at the same time?
 181 # http://www.scons.org/wiki/SimultaneousVariantBuilds
 182
 183 SConscript(
 184         'src/SConscript',
 185         build_dir = common.make_build_dir(env),
 186         duplicate = 0 # http://www.scons.org/doc/0.97/HTML/scons-user/x2261.html
 187 )