161 lines
3.5 KiB
Python
161 lines
3.5 KiB
Python
#######################################################################
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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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opts.Save('config.py', env)
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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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# fail early for a common error on windows
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if env['gles']:
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try:
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import libxml2
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except ImportError:
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raise SCons.Errors.UserError, "GLES requires libxml2-python to build"
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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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# for debugging
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#print env.Dump()
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#######################################################################
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# Invoke host SConscripts
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#
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# For things that are meant to be run on the native host build machine, instead
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# of the target machine.
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#
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# Create host environent
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if env['crosscompile'] and not env['embedded']:
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host_env = Environment(
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options = opts,
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# no tool used
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tools = [],
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toolpath = ['#scons'],
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ENV = os.environ,
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)
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# Override options
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host_env['platform'] = common.host_platform
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host_env['machine'] = common.host_machine
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host_env['toolchain'] = 'default'
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host_env['llvm'] = False
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host_env.Tool('gallium')
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host_env['hostonly'] = True
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assert host_env['crosscompile'] == False
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if host_env['msvc']:
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host_env.Append(CPPPATH = ['#include/c99'])
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target_env = env
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env = host_env
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Export('env')
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SConscript(
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'src/SConscript',
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variant_dir = host_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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env = target_env
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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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########################################################################
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# List all aliases
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try:
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from SCons.Node.Alias import default_ans
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except ImportError:
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pass
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else:
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aliases = default_ans.keys()
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aliases.sort()
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env.Help('\n')
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env.Help('Recognized targets:\n')
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for alias in aliases:
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env.Help(' %s\n' % alias)
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