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', ['scons'])
  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 if platform == 'wince':
  98         env.Tool('evc', ['scons'])
  99
 100 common.generate(env)
 101
 102
 103 # Includes
 104 env.Append(CPPPATH = [
 105         '#/include',
 106         '#/src/gallium/include',
 107         '#/src/gallium/auxiliary',
 108         '#/src/gallium/drivers',
 109 ])
 110
 111
 112 # x86 assembly
 113 if x86:
 114         if gcc:
 115                 env.Append(CFLAGS = '-m32')
 116                 env.Append(CXXFLAGS = '-m32')
 117
 118
 119 # Posix
 120 if platform in ('posix', 'linux', 'freebsd', 'darwin'):
 121         env.Append(CPPDEFINES = [
 122                 '_POSIX_SOURCE',
 123                 ('_POSIX_C_SOURCE', '199309L'),
 124                 '_SVID_SOURCE',
 125                 '_BSD_SOURCE',
 126                 '_GNU_SOURCE',
 127
 128                 'PTHREADS',
 129                 'HAVE_POSIX_MEMALIGN',
 130         ])
 131         env.Append(CPPPATH = ['/usr/X11R6/include'])
 132         env.Append(LIBPATH = ['/usr/X11R6/lib'])
 133         env.Append(LIBS = [
 134                 'm',
 135                 'pthread',
 136                 'expat',
 137                 'dl',
 138         ])
 139
 140
 141 # DRI
 142 if dri:
 143         env.ParseConfig('pkg-config --cflags --libs libdrm')
 144         env.Append(CPPDEFINES = [
 145                 ('USE_EXTERNAL_DXTN_LIB', '1'),
 146                 'IN_DRI_DRIVER',
 147                 'GLX_DIRECT_RENDERING',
 148                 'GLX_INDIRECT_RENDERING',
 149         ])
 150
 151 # LLVM
 152 if llvm:
 153         # See also http://www.scons.org/wiki/UsingPkgConfig
 154         env.ParseConfig('llvm-config --cflags --ldflags --libs')
 155         env.Append(CPPDEFINES = ['MESA_LLVM'])
 156         # Force C++ linkage
 157         env['LINK'] = env['CXX']
 158
 159 # libGL
 160 if platform in ('linux', 'freebsd', 'darwin'):
 161         env.Append(LIBS = [
 162                 'X11',
 163                 'Xext',
 164                 'Xxf86vm',
 165                 'Xdamage',
 166                 'Xfixes',
 167         ])
 168
 169 # for debugging
 170 #print env.Dump()
 171
 172 Export('env')
 173
 174
 175 #######################################################################
 176 # Invoke SConscripts
 177
 178 # TODO: Build several variants at the same time?
 179 # http://www.scons.org/wiki/SimultaneousVariantBuilds
 180
 181 SConscript(
 182         'src/SConscript',
 183         build_dir = common.make_build_dir(env),
 184         duplicate = 0 # http://www.scons.org/doc/0.97/HTML/scons-user/x2261.html
 185 )