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', 'i915', 'i965', 'gdi', 'radeon', 'graw-xlib']))
  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 machine = env['machine']
  83 platform = env['platform']
  84 drawllvm = 'llvmpipe' in env['drivers']
  85
  86 # LLVM support in the Draw module
  87 if drawllvm:
  88         env.Tool('llvm')
  89         if not env.has_key('LLVM_VERSION'):
  90            drawllvm = False
  91 if drawllvm:
  92         env.Append(CFLAGS = ['-DDRAW_LLVM=1'])
  93
  94 # derived options
  95 x86 = machine == 'x86'
  96 ppc = machine == 'ppc'
  97 gcc = platform in ('linux', 'freebsd', 'darwin', 'embedded')
  98 msvc = platform in ('windows', 'winddk')
  99
 100 Export([
 101         'debug',
 102         'x86',
 103         'ppc',
 104         'dri',
 105         'drawllvm',
 106         'platform',
 107         'gcc',
 108         'msvc',
 109 ])
 110
 111
 112 #######################################################################
 113 # Environment setup
 114
 115 # Always build trace and identity drivers
 116 if 'trace' not in env['drivers']:
 117     env['drivers'].append('trace')
 118 if 'identity' not in env['drivers']:
 119     env['drivers'].append('identity')
 120
 121 # Includes
 122 env.Append(CPPPATH = [
 123         '#/include',
 124         '#/src/gallium/include',
 125         '#/src/gallium/auxiliary',
 126         '#/src/gallium/drivers',
 127         '#/src/gallium/winsys',
 128 ])
 129
 130 if env['msvc']:
 131     env.Append(CPPPATH = ['#include/c99'])
 132
 133 # Embedded
 134 if platform == 'embedded':
 135         env.Append(CPPDEFINES = [
 136                 '_POSIX_SOURCE',
 137                 ('_POSIX_C_SOURCE', '199309L'),
 138                 '_SVID_SOURCE',
 139                 '_BSD_SOURCE',
 140                 '_GNU_SOURCE',
 141
 142                 'PTHREADS',
 143         ])
 144         env.Append(LIBS = [
 145                 'm',
 146                 'pthread',
 147                 'dl',
 148         ])
 149
 150 # Posix
 151 if platform in ('posix', 'linux', 'freebsd', 'darwin'):
 152         env.Append(CPPDEFINES = [
 153                 '_POSIX_SOURCE',
 154                 ('_POSIX_C_SOURCE', '199309L'),
 155                 '_SVID_SOURCE',
 156                 '_BSD_SOURCE',
 157                 '_GNU_SOURCE',
 158
 159                 'PTHREADS',
 160                 'HAVE_POSIX_MEMALIGN',
 161         ])
 162         if platform == 'darwin':
 163                 env.Append(CPPDEFINES = ['_DARWIN_C_SOURCE'])
 164         env.Append(LIBS = [
 165                 'm',
 166                 'pthread',
 167                 'dl',
 168         ])
 169
 170 # DRI
 171 if dri:
 172         env.ParseConfig('pkg-config --cflags --libs libdrm')
 173         env.Append(CPPDEFINES = [
 174                 ('USE_EXTERNAL_DXTN_LIB', '1'),
 175                 'IN_DRI_DRIVER',
 176                 'GLX_DIRECT_RENDERING',
 177                 'GLX_INDIRECT_RENDERING',
 178         ])
 179
 180 # LLVM support in the Draw module
 181 if drawllvm:
 182     env.Append(CPPDEFINES = ['DRAW_LLVM'])
 183
 184 # for debugging
 185 #print env.Dump()
 186
 187 Export('env')
 188
 189
 190 #######################################################################
 191 # Invoke SConscripts
 192
 193 # TODO: Build several variants at the same time?
 194 # http://www.scons.org/wiki/SimultaneousVariantBuilds
 195
 196 if env['platform'] != common.default_platform:
 197     # GLSL code has to be built twice -- one for the host OS, another for the target OS...
 198
 199     host_env = Environment(
 200         # options are ignored
 201         # default tool is used
 202         tools = ['default', 'custom'],
 203         toolpath = ['#scons'],
 204         ENV = os.environ,
 205     )
 206
 207     host_env['platform'] = common.default_platform
 208     host_env['machine'] = common.default_machine
 209     host_env['debug'] = env['debug']
 210
 211     SConscript(
 212         'src/glsl/SConscript',
 213         variant_dir = os.path.join(env['build'], 'host'),
 214         duplicate = 0, # http://www.scons.org/doc/0.97/HTML/scons-user/x2261.html
 215         exports={'env':host_env},
 216     )
 217
 218 SConscript(
 219         'src/SConscript',
 220         variant_dir = env['build'],
 221         duplicate = 0 # http://www.scons.org/doc/0.97/HTML/scons-user/x2261.html
 222 )
 223
 224 env.Default('src')
 225
 226 SConscript(
 227     'progs/SConscript',
 228     variant_dir = os.path.join('progs', env['build']),
 229     duplicate = 0 # http://www.scons.org/doc/0.97/HTML/scons-user/x2261.html
 230 )