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,svga,i915,trace,identity,llvmpipe'
  36         default_winsys = 'xlib'
  37 elif common.default_platform in ('winddk',):
  38         default_drivers = 'softpipe,svga,i915,trace,identity'
  39         default_winsys = 'all'
  40 else:
  41         default_drivers = 'all'
  42         default_winsys = 'all'
  43
  44 opts = Variables('config.py')
  45 common.AddOptions(opts)
  46 opts.Add(ListVariable('statetrackers', 'state trackers to build', default_statetrackers,
  47                      ['mesa', 'python', 'xorg']))
  48 opts.Add(ListVariable('drivers', 'pipe drivers to build', default_drivers,
  49                      ['softpipe', 'failover', 'svga', 'i915', 'cell', 'trace', 'r300', 'identity', 'llvmpipe']))
  50 opts.Add(ListVariable('winsys', 'winsys drivers to build', default_winsys,
  51                      ['xlib', 'vmware', 'intel', 'gdi', 'radeon']))
  52
  53 opts.Add(EnumVariable('MSVS_VERSION', 'MS Visual C++ version', None, allowed_values=('7.1', '8.0', '9.0')))
  54
  55 env = Environment(
  56         options = opts,
  57         tools = ['gallium'],
  58         toolpath = ['#scons'],
  59         ENV = os.environ,
  60 )
  61
  62 Help(opts.GenerateHelpText(env))
  63
  64 # replicate options values in local variables
  65 debug = env['debug']
  66 dri = env['dri']
  67 llvm = env['llvm']
  68 machine = env['machine']
  69 platform = env['platform']
  70
  71 # derived options
  72 x86 = machine == 'x86'
  73 ppc = machine == 'ppc'
  74 gcc = platform in ('linux', 'freebsd', 'darwin')
  75 msvc = platform in ('windows', 'winddk')
  76
  77 Export([
  78         'debug',
  79         'x86',
  80         'ppc',
  81         'dri',
  82         'llvm',
  83         'platform',
  84         'gcc',
  85         'msvc',
  86 ])
  87
  88
  89 #######################################################################
  90 # Environment setup
  91
  92 # Includes
  93 env.Append(CPPPATH = [
  94         '#/include',
  95         '#/src/gallium/include',
  96         '#/src/gallium/auxiliary',
  97         '#/src/gallium/drivers',
  98 ])
  99
 100
 101 # Posix
 102 if platform in ('posix', 'linux', 'freebsd', 'darwin'):
 103         env.Append(CPPDEFINES = [
 104                 '_POSIX_SOURCE',
 105                 ('_POSIX_C_SOURCE', '199309L'),
 106                 '_SVID_SOURCE',
 107                 '_BSD_SOURCE',
 108                 '_GNU_SOURCE',
 109
 110                 'PTHREADS',
 111                 'HAVE_POSIX_MEMALIGN',
 112         ])
 113         if platform == 'darwin':
 114                 env.Append(CPPDEFINES = ['_DARWIN_C_SOURCE'])
 115         env.Append(CPPPATH = ['/usr/X11R6/include'])
 116         env.Append(LIBPATH = ['/usr/X11R6/lib'])
 117         env.Append(LIBS = [
 118                 'm',
 119                 'pthread',
 120                 'expat',
 121                 'dl',
 122         ])
 123
 124
 125 # DRI
 126 if dri:
 127         env.ParseConfig('pkg-config --cflags --libs libdrm')
 128         env.Append(CPPDEFINES = [
 129                 ('USE_EXTERNAL_DXTN_LIB', '1'),
 130                 'IN_DRI_DRIVER',
 131                 'GLX_DIRECT_RENDERING',
 132                 'GLX_INDIRECT_RENDERING',
 133         ])
 134
 135 # LLVM
 136 if llvm:
 137         # See also http://www.scons.org/wiki/UsingPkgConfig
 138         env.ParseConfig('llvm-config --cflags --ldflags --libs backend bitreader engine instrumentation interpreter ipo')
 139         env.Append(CPPDEFINES = ['MESA_LLVM'])
 140         # Force C++ linkage
 141         env['LINK'] = env['CXX']
 142
 143 # libGL
 144 if platform in ('linux', 'freebsd', 'darwin'):
 145         env.Append(LIBS = [
 146                 'X11',
 147                 'Xext',
 148                 'Xxf86vm',
 149                 'Xdamage',
 150                 'Xfixes',
 151         ])
 152
 153 # for debugging
 154 #print env.Dump()
 155
 156 Export('env')
 157
 158
 159 #######################################################################
 160 # Invoke SConscripts
 161
 162 # TODO: Build several variants at the same time?
 163 # http://www.scons.org/wiki/SimultaneousVariantBuilds
 164
 165 SConscript(
 166         'src/SConscript',
 167         variant_dir = env['build'],
 168         duplicate = 0 # http://www.scons.org/doc/0.97/HTML/scons-user/x2261.html
 169 )