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 = 'mesa'
  34         default_drivers = 'softpipe,failover,i915simple,i965simple'
  35         default_winsys = 'xlib'
  36 elif common.default_platform in ('winddk',):
  37         default_statetrackers = 'none'
  38         default_drivers = 'softpipe,i915simple'
  39         default_winsys = 'none'
  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']))
  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']))
  52
  53 env = Environment(
  54         options = opts,
  55         ENV = os.environ)
  56 Help(opts.GenerateHelpText(env))
  57
  58 # replicate options values in local variables
  59 debug = env['debug']
  60 dri = env['dri']
  61 llvm = env['llvm']
  62 machine = env['machine']
  63 platform = env['platform']
  64
  65 # derived options
  66 x86 = machine == 'x86'
  67 gcc = platform in ('linux', 'freebsd', 'darwin')
  68 msvc = platform in ('windows', 'winddk')
  69
  70 Export([
  71         'debug',
  72         'x86',
  73         'dri',
  74         'llvm',
  75         'platform',
  76         'gcc',
  77         'msvc',
  78 ])
  79
  80
  81 #######################################################################
  82 # Environment setup
  83 #
  84 # TODO: put the compiler specific settings in separate files
  85 # TODO: auto-detect as much as possible
  86
  87 if platform == 'winddk':
  88         env.Tool('winddk', ['.'])
  89
  90         env.Append(CPPPATH = [
  91                 env['SDK_INC_PATH'],
  92                 env['DDK_INC_PATH'],
  93                 env['WDM_INC_PATH'],
  94                 env['CRT_INC_PATH'],
  95         ])
  96
  97 common.generate(env)
  98
  99
 100 # Includes
 101 env.Append(CPPPATH = [
 102         '#/include',
 103         '#/src/gallium/include',
 104         '#/src/gallium/auxiliary',
 105         '#/src/gallium/drivers',
 106 ])
 107
 108
 109 # x86 assembly
 110 if x86:
 111         if gcc:
 112                 env.Append(CFLAGS = '-m32')
 113                 env.Append(CXXFLAGS = '-m32')
 114
 115
 116 # Posix
 117 if platform in ('posix', 'linux', 'freebsd', 'darwin'):
 118         env.Append(CPPDEFINES = [
 119                 '_POSIX_SOURCE',
 120                 ('_POSIX_C_SOURCE', '199309L'),
 121                 '_SVID_SOURCE',
 122                 '_BSD_SOURCE',
 123                 '_GNU_SOURCE',
 124
 125                 'PTHREADS',
 126                 'HAVE_POSIX_MEMALIGN',
 127         ])
 128         env.Append(CPPPATH = ['/usr/X11R6/include'])
 129         env.Append(LIBPATH = ['/usr/X11R6/lib'])
 130         env.Append(LIBS = [
 131                 'm',
 132                 'pthread',
 133                 'expat',
 134                 'dl',
 135         ])
 136
 137
 138 # DRI
 139 if dri:
 140         env.ParseConfig('pkg-config --cflags --libs libdrm')
 141         env.Append(CPPDEFINES = [
 142                 ('USE_EXTERNAL_DXTN_LIB', '1'),
 143                 'IN_DRI_DRIVER',
 144                 'GLX_DIRECT_RENDERING',
 145                 'GLX_INDIRECT_RENDERING',
 146         ])
 147
 148 # LLVM
 149 if llvm:
 150         # See also http://www.scons.org/wiki/UsingPkgConfig
 151         env.ParseConfig('llvm-config --cflags --ldflags --libs')
 152         env.Append(CPPDEFINES = ['MESA_LLVM'])
 153         # Force C++ linkage
 154         env['LINK'] = env['CXX']
 155
 156 # libGL
 157 if platform in ('linux', 'freebsd', 'darwin'):
 158         env.Append(LIBS = [
 159                 'X11',
 160                 'Xext',
 161                 'Xxf86vm',
 162                 'Xdamage',
 163                 'Xfixes',
 164         ])
 165
 166 # for debugging
 167 #print env.Dump()
 168
 169 Export('env')
 170
 171
 172 #######################################################################
 173 # Invoke SConscripts
 174
 175 # TODO: Build several variants at the same time?
 176 # http://www.scons.org/wiki/SimultaneousVariantBuilds
 177
 178 SConscript(
 179         'src/SConscript',
 180         build_dir = common.make_build_dir(env),
 181         duplicate = 0 # http://www.scons.org/doc/0.97/HTML/scons-user/x2261.html
 182 )