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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 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'
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', 'cell', 'trace', 'r300', 'identity', 'llvmpipe']))
opts.Add(ListVariable('winsys', 'winsys drivers to build', default_winsys,
['xlib', 'vmware', 'intel', 'i965', 'gdi', 'radeon']))
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,
)
Help(opts.GenerateHelpText(env))
# replicate options values in local variables
debug = env['debug']
dri = env['dri']
llvm = env['llvm']
machine = env['machine']
platform = env['platform']
# derived options
x86 = machine == 'x86'
ppc = machine == 'ppc'
gcc = platform in ('linux', 'freebsd', 'darwin')
msvc = platform in ('windows', 'winddk')
Export([
'debug',
'x86',
'ppc',
'dri',
'llvm',
'platform',
'gcc',
'msvc',
])
#######################################################################
# Environment setup
# Includes
env.Append(CPPPATH = [
'#/include',
'#/src/gallium/include',
'#/src/gallium/auxiliary',
'#/src/gallium/drivers',
])
# 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',
])
env.Append(CPPPATH = ['/usr/X11R6/include'])
env.Append(LIBPATH = ['/usr/X11R6/lib'])
env.Append(LIBS = [
'm',
'pthread',
'expat',
'dl',
])
# DRI
if dri:
env.ParseConfig('pkg-config --cflags --libs libdrm')
env.Append(CPPDEFINES = [
('USE_EXTERNAL_DXTN_LIB', '1'),
'IN_DRI_DRIVER',
'GLX_DIRECT_RENDERING',
'GLX_INDIRECT_RENDERING',
])
# LLVM
if llvm:
# See also http://www.scons.org/wiki/UsingPkgConfig
env.ParseConfig('llvm-config --cflags --ldflags --libs backend bitreader engine instrumentation interpreter ipo')
env.Append(CPPDEFINES = ['MESA_LLVM'])
# Force C++ linkage
env['LINK'] = env['CXX']
# libGL
if platform in ('linux', 'freebsd', 'darwin'):
env.Append(LIBS = [
'X11',
'Xext',
'Xxf86vm',
'Xdamage',
'Xfixes',
])
# 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
)
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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