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#######################################################################
# Top-level SConstruct
#
# For example, invoke scons as
#
# scons debug=1 dri=0 machine=x86
#
# to set configuration variables. Or you can write those options to a file
# named config.py:
#
# # config.py
# debug=1
# dri=0
# machine='x86'
#
# Invoke
#
# scons -h
#
# to get the full list of options. See scons manpage for more info.
#
import os
import os.path
import sys
import SCons.Util
import common
#######################################################################
# Configuration options
default_statetrackers = 'mesa'
if common.default_platform in ('linux', 'freebsd', 'darwin'):
default_drivers = 'softpipe,failover,svga,i915,i965,trace,identity,llvmpipe'
default_winsys = 'xlib'
elif common.default_platform in ('winddk',):
default_drivers = 'softpipe,svga,i915,i965,trace,identity'
default_winsys = 'all'
elif common.default_platform in ('embedded',):
default_drivers = 'softpipe,llvmpipe'
default_winsys = 'xlib'
else:
default_drivers = 'all'
default_winsys = 'all'
opts = Variables('config.py')
common.AddOptions(opts)
opts.Add(ListVariable('statetrackers', 'state trackers to build', default_statetrackers,
['mesa', 'python', 'xorg']))
opts.Add(ListVariable('drivers', 'pipe drivers to build', default_drivers,
['softpipe', 'failover', 'svga', 'i915', 'i965', 'trace', 'r300', 'identity', 'llvmpipe']))
opts.Add(ListVariable('winsys', 'winsys drivers to build', default_winsys,
['xlib', 'vmware', 'i915', 'i965', 'gdi', 'radeon', 'graw-xlib']))
opts.Add(EnumVariable('MSVS_VERSION', 'MS Visual C++ version', None, allowed_values=('7.1', '8.0', '9.0')))
env = Environment(
options = opts,
tools = ['gallium'],
toolpath = ['#scons'],
ENV = os.environ,
)
if os.environ.has_key('CC'):
env['CC'] = os.environ['CC']
if os.environ.has_key('CFLAGS'):
env['CCFLAGS'] += SCons.Util.CLVar(os.environ['CFLAGS'])
if os.environ.has_key('CXX'):
env['CXX'] = os.environ['CXX']
if os.environ.has_key('CXXFLAGS'):
env['CXXFLAGS'] += SCons.Util.CLVar(os.environ['CXXFLAGS'])
if os.environ.has_key('LDFLAGS'):
env['LINKFLAGS'] += SCons.Util.CLVar(os.environ['LDFLAGS'])
Help(opts.GenerateHelpText(env))
# replicate options values in local variables
debug = env['debug']
dri = env['dri']
machine = env['machine']
platform = env['platform']
drawllvm = 'llvmpipe' in env['drivers']
# LLVM support in the Draw module
if drawllvm:
env.Tool('llvm')
if not env.has_key('LLVM_VERSION'):
drawllvm = False
if drawllvm:
env.Append(CFLAGS = ['-DDRAW_LLVM=1'])
# derived options
x86 = machine == 'x86'
ppc = machine == 'ppc'
gcc = platform in ('linux', 'freebsd', 'darwin', 'embedded')
msvc = platform in ('windows', 'winddk')
Export([
'debug',
'x86',
'ppc',
'dri',
'drawllvm',
'platform',
'gcc',
'msvc',
])
#######################################################################
# Environment setup
# Always build trace and identity drivers
if 'trace' not in env['drivers']:
env['drivers'].append('trace')
if 'identity' not in env['drivers']:
env['drivers'].append('identity')
# Includes
env.Append(CPPPATH = [
'#/include',
'#/src/gallium/include',
'#/src/gallium/auxiliary',
'#/src/gallium/drivers',
'#/src/gallium/winsys',
])
if env['msvc']:
env.Append(CPPPATH = ['#include/c99'])
# Embedded
if platform == 'embedded':
env.Append(CPPDEFINES = [
'_POSIX_SOURCE',
('_POSIX_C_SOURCE', '199309L'),
'_SVID_SOURCE',
'_BSD_SOURCE',
'_GNU_SOURCE',
'PTHREADS',
])
env.Append(LIBS = [
'm',
'pthread',
'dl',
])
# Posix
if platform in ('posix', 'linux', 'freebsd', 'darwin'):
env.Append(CPPDEFINES = [
'_POSIX_SOURCE',
('_POSIX_C_SOURCE', '199309L'),
'_SVID_SOURCE',
'_BSD_SOURCE',
'_GNU_SOURCE',
'PTHREADS',
'HAVE_POSIX_MEMALIGN',
])
if platform == 'darwin':
env.Append(CPPDEFINES = ['_DARWIN_C_SOURCE'])
env.Append(LIBS = [
'm',
'pthread',
'dl',
])
# LLVM support in the Draw module
if drawllvm:
env.Append(CPPDEFINES = ['DRAW_LLVM'])
# for debugging
#print env.Dump()
Export('env')
#######################################################################
# Invoke SConscripts
# TODO: Build several variants at the same time?
# http://www.scons.org/wiki/SimultaneousVariantBuilds
if env['platform'] != common.default_platform:
# GLSL code has to be built twice -- one for the host OS, another for the target OS...
host_env = Environment(
# options are ignored
# default tool is used
tools = ['default', 'custom'],
toolpath = ['#scons'],
ENV = os.environ,
)
host_env['platform'] = common.default_platform
host_env['machine'] = common.default_machine
host_env['debug'] = env['debug']
SConscript(
'src/glsl/SConscript',
variant_dir = os.path.join(env['build'], 'host'),
duplicate = 0, # http://www.scons.org/doc/0.97/HTML/scons-user/x2261.html
exports={'env':host_env},
)
SConscript(
'src/SConscript',
variant_dir = env['build'],
duplicate = 0 # http://www.scons.org/doc/0.97/HTML/scons-user/x2261.html
)
env.Default('src')
SConscript(
'progs/SConscript',
variant_dir = os.path.join('progs', env['build']),
duplicate = 0 # http://www.scons.org/doc/0.97/HTML/scons-user/x2261.html
)
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