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 if os.environ.has_key('CC'):
  63         env['CC'] = os.environ['CC']
  64 if os.environ.has_key('CFLAGS'):
  65         env['CCFLAGS'] += SCons.Util.CLVar(os.environ['CFLAGS'])
  66 if os.environ.has_key('CXX'):
  67         env['CXX'] = os.environ['CXX']
  68 if os.environ.has_key('CXXFLAGS'):
  69         env['CXXFLAGS'] += SCons.Util.CLVar(os.environ['CXXFLAGS'])
  70 if os.environ.has_key('LDFLAGS'):
  71         env['LINKFLAGS'] += SCons.Util.CLVar(os.environ['LDFLAGS'])
  72
  73 Help(opts.GenerateHelpText(env))
  74
  75 # replicate options values in local variables
  76 debug = env['debug']
  77 dri = env['dri']
  78 llvm = env['llvm']
  79 machine = env['machine']
  80 platform = env['platform']
  81
  82 # derived options
  83 x86 = machine == 'x86'
  84 ppc = machine == 'ppc'
  85 gcc = platform in ('linux', 'freebsd', 'darwin')
  86 msvc = platform in ('windows', 'winddk')
  87
  88 Export([
  89         'debug',
  90         'x86',
  91         'ppc',
  92         'dri',
  93         'llvm',
  94         'platform',
  95         'gcc',
  96         'msvc',
  97 ])
  98
  99
 100 #######################################################################
 101 # Environment setup
 102
 103 # Includes
 104 env.Append(CPPPATH = [
 105         '#/include',
 106         '#/src/gallium/include',
 107         '#/src/gallium/auxiliary',
 108         '#/src/gallium/drivers',
 109 ])
 110
 111 if env['msvc']:
 112     env.Append(CPPPATH = ['#include/c99'])
 113
 114
 115 # Posix
 116 if platform in ('posix', 'linux', 'freebsd', 'darwin'):
 117         env.Append(CPPDEFINES = [
 118                 '_POSIX_SOURCE',
 119                 ('_POSIX_C_SOURCE', '199309L'),
 120                 '_SVID_SOURCE',
 121                 '_BSD_SOURCE',
 122                 '_GNU_SOURCE',
 123
 124                 'PTHREADS',
 125                 'HAVE_POSIX_MEMALIGN',
 126         ])
 127         if platform == 'darwin':
 128                 env.Append(CPPDEFINES = ['_DARWIN_C_SOURCE'])
 129         env.Append(CPPPATH = ['/usr/X11R6/include'])
 130         env.Append(LIBPATH = ['/usr/X11R6/lib'])
 131         env.Append(LIBS = [
 132                 'm',
 133                 'pthread',
 134                 'expat',
 135                 'dl',
 136         ])
 137
 138
 139 # DRI
 140 if dri:
 141         env.ParseConfig('pkg-config --cflags --libs libdrm')
 142         env.Append(CPPDEFINES = [
 143                 ('USE_EXTERNAL_DXTN_LIB', '1'),
 144                 'IN_DRI_DRIVER',
 145                 'GLX_DIRECT_RENDERING',
 146                 'GLX_INDIRECT_RENDERING',
 147         ])
 148
 149 # LLVM
 150 if llvm:
 151         # See also http://www.scons.org/wiki/UsingPkgConfig
 152         env.ParseConfig('llvm-config --cflags --ldflags --libs backend bitreader engine instrumentation interpreter ipo')
 153         env.Append(CPPDEFINES = ['MESA_LLVM'])
 154         # Force C++ linkage
 155         env['LINK'] = env['CXX']
 156
 157 # libGL
 158 if platform in ('linux', 'freebsd', 'darwin'):
 159         env.Append(LIBS = [
 160                 'X11',
 161                 'Xext',
 162                 'Xxf86vm',
 163                 'Xdamage',
 164                 'Xfixes',
 165         ])
 166
 167 # for debugging
 168 #print env.Dump()
 169
 170 Export('env')
 171
 172
 173 #######################################################################
 174 # Invoke SConscripts
 175
 176 # TODO: Build several variants at the same time?
 177 # http://www.scons.org/wiki/SimultaneousVariantBuilds
 178
 179 if env['platform'] != common.default_platform:
 180     # GLSL code has to be built twice -- one for the host OS, another for the target OS...
 181
 182     host_env = Environment(
 183         # options are ignored
 184         # default tool is used
 185         tools = ['default', 'custom'],
 186         toolpath = ['#scons'],
 187         ENV = os.environ,
 188     )
 189
 190     host_env['platform'] = common.default_platform
 191     host_env['machine'] = common.default_machine
 192     host_env['debug'] = env['debug']
 193
 194     SConscript(
 195         'src/glsl/SConscript',
 196         variant_dir = os.path.join(env['build'], 'host'),
 197         duplicate = 0, # http://www.scons.org/doc/0.97/HTML/scons-user/x2261.html
 198         exports={'env':host_env},
 199     )
 200
 201 SConscript(
 202         'src/SConscript',
 203         variant_dir = env['build'],
 204         duplicate = 0 # http://www.scons.org/doc/0.97/HTML/scons-user/x2261.html
 205 )
 206
 207 SConscript(
 208         'progs/SConscript',
 209         variant_dir = os.path.join('progs', env['build']),
 210         duplicate = 0 # http://www.scons.org/doc/0.97/HTML/scons-user/x2261.html
 211 )