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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
if common.default_platform in ('linux', 'freebsd', 'darwin'):
default_statetrackers = 'mesa'
default_drivers = 'softpipe,failover,i915simple,i965simple'
default_winsys = 'xlib'
elif common.default_platform in ('winddk',):
default_statetrackers = 'none'
default_drivers = 'softpipe,i915simple'
default_winsys = 'none'
else:
default_drivers = 'all'
default_winsys = 'all'
opts = Options('config.py')
common.AddOptions(opts)
opts.Add(ListOption('statetrackers', 'state_trackers to build', default_statetrackers,
['mesa']))
opts.Add(ListOption('drivers', 'pipe drivers to build', default_drivers,
['softpipe', 'failover', 'i915simple', 'i965simple', 'cell']))
opts.Add(ListOption('winsys', 'winsys drivers to build', default_winsys,
['xlib', 'intel']))
env = Environment(
options = opts,
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'
gcc = platform in ('linux', 'freebsd', 'darwin')
msvc = platform in ('win32', 'winddk')
Export([
'debug',
'x86',
'dri',
'llvm',
'platform',
'gcc',
'msvc',
])
#######################################################################
# Environment setup
#
# TODO: put the compiler specific settings in separate files
# TODO: auto-detect as much as possible
common.generate(env)
if platform == 'winddk':
env.Tool('winddk', ['.'])
env.Append(CPPPATH = [
env['SDK_INC_PATH'],
env['DDK_INC_PATH'],
env['WDM_INC_PATH'],
env['CRT_INC_PATH'],
])
# Optimization flags
if gcc:
if debug:
env.Append(CFLAGS = '-O0 -g3')
env.Append(CXXFLAGS = '-O0 -g3')
else:
env.Append(CFLAGS = '-O3 -g3')
env.Append(CXXFLAGS = '-O3 -g3')
env.Append(CFLAGS = '-Wall -Wmissing-prototypes -Wno-long-long -ffast-math -pedantic')
env.Append(CXXFLAGS = '-Wall -pedantic')
# Be nice to Eclipse
env.Append(CFLAGS = '-fmessage-length=0')
env.Append(CXXFLAGS = '-fmessage-length=0')
if msvc:
env.Append(CFLAGS = '/W3')
if debug:
cflags = [
'/Od', # disable optimizations
'/Oy-', # disable frame pointer omission
]
else:
cflags = [
'/Ox', # maximum optimizations
'/Os', # favor code space
]
env.Append(CFLAGS = cflags)
env.Append(CXXFLAGS = cflags)
# Put debugging information in a separate .pdb file for each object file as
# descrived in the scons manpage
env['CCPDBFLAGS'] = '/Zi /Fd${TARGET}.pdb'
# Defines
if debug:
if gcc:
env.Append(CPPDEFINES = ['DEBUG'])
if msvc:
env.Append(CPPDEFINES = [
('DBG', '1'),
('DEBUG', '1'),
('_DEBUG', '1'),
])
else:
env.Append(CPPDEFINES = ['NDEBUG'])
# Includes
env.Append(CPPPATH = [
'#/include',
'#/src/gallium/include',
'#/src/gallium/auxiliary',
'#/src/gallium/drivers',
])
# x86 assembly
if x86:
env.Append(CPPDEFINES = [
'USE_X86_ASM',
'USE_MMX_ASM',
'USE_3DNOW_ASM',
'USE_SSE_ASM',
])
if gcc:
env.Append(CFLAGS = '-m32')
env.Append(CXXFLAGS = '-m32')
# 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')
env.Append(CPPDEFINES = ['MESA_LLVM'])
env.Append(CXXFLAGS = ['-Wno-long-long'])
# Force C++ linkage
env['LINK'] = env['CXX']
# libGL
if platform not in ('winddk',):
env.Append(LIBS = [
'X11',
'Xext',
'Xxf86vm',
'Xdamage',
'Xfixes',
])
Export('env')
#######################################################################
# Invoke SConscripts
# TODO: Build several variants at the same time?
# http://www.scons.org/wiki/SimultaneousVariantBuilds
SConscript(
'src/SConscript',
build_dir = common.make_build_dir(env),
duplicate = 0 # http://www.scons.org/doc/0.97/HTML/scons-user/x2261.html
)
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