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,i965,trace,identity,llvmpipe'
  36         default_winsys = 'xlib'
  37 elif common.default_platform in ('winddk',):
  38         default_drivers = 'softpipe,svga,i915,i965,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', 'i965', 'trace', 'r300', 'identity', 'llvmpipe']))
  50 opts.Add(ListVariable('winsys', 'winsys drivers to build', default_winsys,
  51                      ['xlib', 'vmware', 'intel', 'i965', '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 if env['msvc']:
 101     env.Append(CPPPATH = ['#include/c99'])
 102
 103
 104 # Posix
 105 if platform in ('posix', 'linux', 'freebsd', 'darwin'):
 106         env.Append(CPPDEFINES = [
 107                 '_POSIX_SOURCE',
 108                 ('_POSIX_C_SOURCE', '199309L'),
 109                 '_SVID_SOURCE',
 110                 '_BSD_SOURCE',
 111                 '_GNU_SOURCE',
 112
 113                 'PTHREADS',
 114                 'HAVE_POSIX_MEMALIGN',
 115         ])
 116         if platform == 'darwin':
 117                 env.Append(CPPDEFINES = ['_DARWIN_C_SOURCE'])
 118         env.Append(CPPPATH = ['/usr/X11R6/include'])
 119         env.Append(LIBPATH = ['/usr/X11R6/lib'])
 120         env.Append(LIBS = [
 121                 'm',
 122                 'pthread',
 123                 'expat',
 124                 'dl',
 125         ])
 126
 127
 128 # DRI
 129 if dri:
 130         env.ParseConfig('pkg-config --cflags --libs libdrm')
 131         env.Append(CPPDEFINES = [
 132                 ('USE_EXTERNAL_DXTN_LIB', '1'),
 133                 'IN_DRI_DRIVER',
 134                 'GLX_DIRECT_RENDERING',
 135                 'GLX_INDIRECT_RENDERING',
 136         ])
 137
 138 # LLVM
 139 if llvm:
 140         # See also http://www.scons.org/wiki/UsingPkgConfig
 141         env.ParseConfig('llvm-config --cflags --ldflags --libs backend bitreader engine instrumentation interpreter ipo')
 142         env.Append(CPPDEFINES = ['MESA_LLVM'])
 143         # Force C++ linkage
 144         env['LINK'] = env['CXX']
 145
 146 # libGL
 147 if platform in ('linux', 'freebsd', 'darwin'):
 148         env.Append(LIBS = [
 149                 'X11',
 150                 'Xext',
 151                 'Xxf86vm',
 152                 'Xdamage',
 153                 'Xfixes',
 154         ])
 155
 156 # for debugging
 157 #print env.Dump()
 158
 159 Export('env')
 160
 161
 162 #######################################################################
 163 # Invoke SConscripts
 164
 165 # TODO: Build several variants at the same time?
 166 # http://www.scons.org/wiki/SimultaneousVariantBuilds
 167
 168 if env['platform'] != common.default_platform:
 169     # GLSL code has to be built twice -- one for the host OS, another for the target OS...
 170
 171     host_env = Environment(
 172         # options are ignored
 173         # default tool is used
 174         tools = ['default', 'custom'],
 175         toolpath = ['#scons'],
 176         ENV = os.environ,
 177     )
 178
 179     host_env['platform'] = common.default_platform
 180     host_env['machine'] = common.default_machine
 181     host_env['debug'] = env['debug']
 182
 183     SConscript(
 184         'src/glsl/SConscript',
 185         variant_dir = os.path.join(env['build'], 'host'),
 186         duplicate = 0, # http://www.scons.org/doc/0.97/HTML/scons-user/x2261.html
 187         exports={'env':host_env},
 188     )
 189
 190 SConscript(
 191         'src/SConscript',
 192         variant_dir = env['build'],
 193         duplicate = 0 # http://www.scons.org/doc/0.97/HTML/scons-user/x2261.html
 194 )
 195
 196 SConscript(
 197         'progs/SConscript',
 198         variant_dir = os.path.join('progs', env['build']),
 199         duplicate = 0 # http://www.scons.org/doc/0.97/HTML/scons-user/x2261.html
 200 )