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####################################################################### |
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# Top-level SConstruct |
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# |
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# For example, invoke scons as |
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# |
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# scons build=debug llvm=yes machine=x86 |
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# |
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# to set configuration variables. Or you can write those options to a file |
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# named config.py: |
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# |
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# # config.py |
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# build='debug' |
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# llvm=True |
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# machine='x86' |
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# |
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# Invoke |
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# |
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# scons -h |
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# |
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# to get the full list of options. See scons manpage for more info. |
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# |
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import os |
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import os.path |
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import sys |
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import SCons.Util |
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import common |
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####################################################################### |
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# Configuration options |
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opts = Variables('config.py') |
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common.AddOptions(opts) |
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env = Environment( |
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options = opts, |
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tools = ['gallium'], |
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toolpath = ['#scons'], |
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ENV = os.environ, |
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) |
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# Backwards compatability with old target configuration variable |
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try: |
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targets = ARGUMENTS['targets'] |
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except KeyError: |
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pass |
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else: |
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targets = targets.split(',') |
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print 'scons: warning: targets option is deprecated; pass the targets on their own such as' |
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print |
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print ' scons %s' % ' '.join(targets) |
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print |
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COMMAND_LINE_TARGETS.append(targets) |
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Help(opts.GenerateHelpText(env)) |
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####################################################################### |
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# Environment setup |
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# Includes |
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env.Prepend(CPPPATH = [ |
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'#/include', |
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]) |
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env.Append(CPPPATH = [ |
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'#/src/gallium/include', |
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'#/src/gallium/auxiliary', |
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'#/src/gallium/drivers', |
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'#/src/gallium/winsys', |
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]) |
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if env['msvc']: |
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env.Append(CPPPATH = ['#include/c99']) |
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# Embedded |
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if env['platform'] == 'embedded': |
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env.Append(CPPDEFINES = [ |
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'_POSIX_SOURCE', |
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('_POSIX_C_SOURCE', '199309L'), |
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'_SVID_SOURCE', |
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'_BSD_SOURCE', |
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'_GNU_SOURCE', |
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'PTHREADS', |
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]) |
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env.Append(LIBS = [ |
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'm', |
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'pthread', |
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'dl', |
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]) |
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# Posix |
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if env['platform'] in ('posix', 'linux', 'freebsd', 'darwin'): |
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env.Append(CPPDEFINES = [ |
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'_POSIX_SOURCE', |
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('_POSIX_C_SOURCE', '199309L'), |
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'_SVID_SOURCE', |
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'_BSD_SOURCE', |
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'_GNU_SOURCE', |
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'PTHREADS', |
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'HAVE_POSIX_MEMALIGN', |
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]) |
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if env['gcc']: |
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env.Append(CFLAGS = ['-fvisibility=hidden']) |
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if env['platform'] == 'darwin': |
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env.Append(CPPDEFINES = ['_DARWIN_C_SOURCE']) |
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env.Append(LIBS = [ |
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'm', |
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'pthread', |
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'dl', |
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]) |
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# for debugging |
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#print env.Dump() |
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Export('env') |
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####################################################################### |
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# Invoke SConscripts |
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# TODO: Build several variants at the same time? |
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# http://www.scons.org/wiki/SimultaneousVariantBuilds |
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SConscript( |
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'src/SConscript', |
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variant_dir = env['build_dir'], |
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duplicate = 0 # http://www.scons.org/doc/0.97/HTML/scons-user/x2261.html |
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) |
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