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 import SCons.Util
  27
  28 import common
  29
  30 #######################################################################
  31 # Configuration options
  32
  33 default_statetrackers = 'mesa'
  34
  35 if common.default_platform in ('linux', 'freebsd', 'darwin'):
  36         default_drivers = 'softpipe,failover,svga,i915,i965,trace,identity,llvmpipe'
  37         default_winsys = 'xlib'
  38 elif common.default_platform in ('winddk',):
  39         default_drivers = 'softpipe,svga,i915,i965,trace,identity'
  40         default_winsys = 'all'
  41 elif common.default_platform in ('embedded',):
  42         default_drivers = 'softpipe,llvmpipe'
  43         default_winsys = 'xlib'
  44 else:
  45         default_drivers = 'all'
  46         default_winsys = 'all'
  47
  48 opts = Variables('config.py')
  49 common.AddOptions(opts)
  50 opts.Add(ListVariable('statetrackers', 'state trackers to build', default_statetrackers,
  51                      ['mesa', 'python', 'xorg']))
  52 opts.Add(ListVariable('drivers', 'pipe drivers to build', default_drivers,
  53                      ['softpipe', 'failover', 'svga', 'i915', 'i965', 'trace', 'r300', 'identity', 'llvmpipe']))
  54 opts.Add(ListVariable('winsys', 'winsys drivers to build', default_winsys,
  55                      ['xlib', 'vmware', 'intel', 'i965', 'gdi', 'radeon']))
  56
  57 opts.Add(EnumVariable('MSVS_VERSION', 'MS Visual C++ version', None, allowed_values=('7.1', '8.0', '9.0')))
  58
  59 env = Environment(
  60         options = opts,
  61         tools = ['gallium'],
  62         toolpath = ['#scons'],
  63         ENV = os.environ,
  64 )
  65
  66 if os.environ.has_key('CC'):
  67         env['CC'] = os.environ['CC']
  68 if os.environ.has_key('CFLAGS'):
  69         env['CCFLAGS'] += SCons.Util.CLVar(os.environ['CFLAGS'])
  70 if os.environ.has_key('CXX'):
  71         env['CXX'] = os.environ['CXX']
  72 if os.environ.has_key('CXXFLAGS'):
  73         env['CXXFLAGS'] += SCons.Util.CLVar(os.environ['CXXFLAGS'])
  74 if os.environ.has_key('LDFLAGS'):
  75         env['LINKFLAGS'] += SCons.Util.CLVar(os.environ['LDFLAGS'])
  76
  77 Help(opts.GenerateHelpText(env))
  78
  79 # replicate options values in local variables
  80 debug = env['debug']
  81 dri = env['dri']
  82 llvm = env['llvm']
  83 machine = env['machine']
  84 platform = env['platform']
  85
  86 # derived options
  87 x86 = machine == 'x86'
  88 ppc = machine == 'ppc'
  89 gcc = platform in ('linux', 'freebsd', 'darwin', 'embedded')
  90 msvc = platform in ('windows', 'winddk')
  91
  92 Export([
  93         'debug',
  94         'x86',
  95         'ppc',
  96         'dri',
  97         'llvm',
  98         'platform',
  99         'gcc',
 100         'msvc',
 101 ])
 102
 103
 104 #######################################################################
 105 # Environment setup
 106
 107 # Includes
 108 env.Append(CPPPATH = [
 109         '#/include',
 110         '#/src/gallium/include',
 111         '#/src/gallium/auxiliary',
 112         '#/src/gallium/drivers',
 113 ])
 114
 115 if env['msvc']:
 116     env.Append(CPPPATH = ['#include/c99'])
 117
 118
 119 # Posix
 120 if platform in ('posix', 'linux', 'freebsd', 'darwin', 'embedded'):
 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         if platform == 'darwin':
 132                 env.Append(CPPDEFINES = ['_DARWIN_C_SOURCE'])
 133         env.Append(CPPPATH = ['/usr/X11R6/include'])
 134         env.Append(LIBPATH = ['/usr/X11R6/lib'])
 135         env.Append(LIBS = [
 136                 'm',
 137                 'pthread',
 138                 'dl',
 139         ])
 140         if platform != 'embedded':
 141                 env.Append(LIBS = [
 142                         'expat',
 143                 ])
 144
 145
 146
 147 # DRI
 148 if dri:
 149         env.ParseConfig('pkg-config --cflags --libs libdrm')
 150         env.Append(CPPDEFINES = [
 151                 ('USE_EXTERNAL_DXTN_LIB', '1'),
 152                 'IN_DRI_DRIVER',
 153                 'GLX_DIRECT_RENDERING',
 154                 'GLX_INDIRECT_RENDERING',
 155         ])
 156
 157 # LLVM
 158 if llvm:
 159         # See also http://www.scons.org/wiki/UsingPkgConfig
 160         env.ParseConfig('llvm-config --cflags --ldflags --libs backend bitreader engine instrumentation interpreter ipo')
 161         env.Append(CPPDEFINES = ['MESA_LLVM'])
 162         # Force C++ linkage
 163         env['LINK'] = env['CXX']
 164
 165 # libGL
 166 if platform in ('linux', 'freebsd', 'darwin'):
 167         env.Append(LIBS = [
 168                 'X11',
 169                 'Xext',
 170                 'Xxf86vm',
 171                 'Xdamage',
 172                 'Xfixes',
 173         ])
 174
 175 # for debugging
 176 #print env.Dump()
 177
 178 Export('env')
 179
 180
 181 #######################################################################
 182 # Invoke SConscripts
 183
 184 # TODO: Build several variants at the same time?
 185 # http://www.scons.org/wiki/SimultaneousVariantBuilds
 186
 187 if env['platform'] != common.default_platform:
 188     # GLSL code has to be built twice -- one for the host OS, another for the target OS...
 189
 190     host_env = Environment(
 191         # options are ignored
 192         # default tool is used
 193         tools = ['default', 'custom'],
 194         toolpath = ['#scons'],
 195         ENV = os.environ,
 196     )
 197
 198     host_env['platform'] = common.default_platform
 199     host_env['machine'] = common.default_machine
 200     host_env['debug'] = env['debug']
 201
 202     SConscript(
 203         'src/glsl/SConscript',
 204         variant_dir = os.path.join(env['build'], 'host'),
 205         duplicate = 0, # http://www.scons.org/doc/0.97/HTML/scons-user/x2261.html
 206         exports={'env':host_env},
 207     )
 208
 209 SConscript(
 210         'src/SConscript',
 211         variant_dir = env['build'],
 212         duplicate = 0 # http://www.scons.org/doc/0.97/HTML/scons-user/x2261.html
 213 )
 214
 215 SConscript(
 216         'progs/SConscript',
 217         variant_dir = os.path.join('progs', env['build']),
 218         duplicate = 0 # http://www.scons.org/doc/0.97/HTML/scons-user/x2261.html
 219 )