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', 'nouveau', 'nv50', 'nvfx']))
  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
  85 # derived options
  86 x86 = machine == 'x86'
  87 ppc = machine == 'ppc'
  88 gcc = platform in ('linux', 'freebsd', 'darwin', 'embedded')
  89 msvc = platform in ('windows', 'winddk')
  90
  91 Export([
  92         'debug',
  93         'x86',
  94         'ppc',
  95         'dri',
  96         'platform',
  97         'gcc',
  98         'msvc',
  99 ])
 100
 101
 102 #######################################################################
 103 # Environment setup
 104
 105 # Always build trace, identity, softpipe, and llvmpipe (where possible)
 106 if 'trace' not in env['drivers']:
 107     env['drivers'].append('trace')
 108 if 'identity' not in env['drivers']:
 109     env['drivers'].append('identity')
 110 if 'softpipe' not in env['drivers']:
 111     env['drivers'].append('softpipe')
 112 if env['llvm'] and 'llvmpipe' not in env['drivers']:
 113     env['drivers'].append('llvmpipe')
 114
 115 # Includes
 116 env.Prepend(CPPPATH = [
 117         '#/include',
 118 ])
 119 env.Append(CPPPATH = [
 120         '#/src/gallium/include',
 121         '#/src/gallium/auxiliary',
 122         '#/src/gallium/drivers',
 123         '#/src/gallium/winsys',
 124 ])
 125
 126 if env['msvc']:
 127     env.Append(CPPPATH = ['#include/c99'])
 128
 129 # Embedded
 130 if platform == 'embedded':
 131         env.Append(CPPDEFINES = [
 132                 '_POSIX_SOURCE',
 133                 ('_POSIX_C_SOURCE', '199309L'),
 134                 '_SVID_SOURCE',
 135                 '_BSD_SOURCE',
 136                 '_GNU_SOURCE',
 137
 138                 'PTHREADS',
 139         ])
 140         env.Append(LIBS = [
 141                 'm',
 142                 'pthread',
 143                 'dl',
 144         ])
 145
 146 # Posix
 147 if platform in ('posix', 'linux', 'freebsd', 'darwin'):
 148         env.Append(CPPDEFINES = [
 149                 '_POSIX_SOURCE',
 150                 ('_POSIX_C_SOURCE', '199309L'),
 151                 '_SVID_SOURCE',
 152                 '_BSD_SOURCE',
 153                 '_GNU_SOURCE',
 154
 155                 'PTHREADS',
 156                 'HAVE_POSIX_MEMALIGN',
 157         ])
 158         if platform == 'darwin':
 159                 env.Append(CPPDEFINES = ['_DARWIN_C_SOURCE'])
 160         env.Append(LIBS = [
 161                 'm',
 162                 'pthread',
 163                 'dl',
 164         ])
 165
 166 # for debugging
 167 #print env.Dump()
 168
 169 Export('env')
 170
 171
 172 #######################################################################
 173 # Invoke SConscripts
 174
 175 # TODO: Build several variants at the same time?
 176 # http://www.scons.org/wiki/SimultaneousVariantBuilds
 177
 178 if env['platform'] != common.default_platform:
 179     # GLSL code has to be built twice -- one for the host OS, another for the target OS...
 180
 181     host_env = Environment(
 182         # options are ignored
 183         # default tool is used
 184         tools = ['default', 'custom'],
 185         toolpath = ['#scons'],
 186         ENV = os.environ,
 187     )
 188
 189     host_env['platform'] = common.default_platform
 190     host_env['machine'] = common.default_machine
 191     host_env['debug'] = env['debug']
 192
 193     SConscript(
 194         'src/glsl/SConscript',
 195         variant_dir = os.path.join(env['build'], 'host'),
 196         duplicate = 0, # http://www.scons.org/doc/0.97/HTML/scons-user/x2261.html
 197         exports={'env':host_env},
 198     )
 199
 200 SConscript(
 201         'src/SConscript',
 202         variant_dir = env['build'],
 203         duplicate = 0 # http://www.scons.org/doc/0.97/HTML/scons-user/x2261.html
 204 )
 205
 206 env.Default('src')
 207
 208 SConscript(
 209     'progs/SConscript',
 210     variant_dir = os.path.join('progs', env['build']),
 211     duplicate = 0 # http://www.scons.org/doc/0.97/HTML/scons-user/x2261.html
 212 )