SConstruct

COMMON_CFLAGS = ['-Wall', '-Werror']
COMMON_CXXFLAGS = ['-Wall', '-Werror', '-fno-exceptions']

configs = {
 'debug': {
 'CFLAGS': COMMON_CFLAGS + ['-g'],
 'CXXFLAGS': COMMON_CXXFLAGS + ['-g']
 },

 'release': {
 'CFLAGS': COMMON_CFLAGS + ['-O2'],
 'CXXFLAGS': COMMON_CXXFLAGS + ['-O2']
 },
}

toolsets = {
 'gcc': {
 'CC': 'gcc',
 'CXX': 'g++',
 },

 'clang': {
 'CC': 'clang',
 'CXX': 'clang++',
 },
}

mode = ARGUMENTS.get('mode', 'release')
toolset = ARGUMENTS.get('toolset', 'gcc')

if not mode in configs:
 print 'ERROR: Unknown building mode:', mode
 Exit(1)

if not toolset in toolsets:
 print 'ERROR: Unknown toolset:', toolset
 Exit(1)

build_config = configs[mode]
build_toolset = toolsets[toolset]

print '===> BUILDING IN', mode.upper(), 'MODE ...'

import os

env = Environment(CC=build_toolset['CC'],
 CXX=build_toolset['CXX'],
 CFLAGS=build_config['CFLAGS'],
 CXXFLAGS=build_config['CXXFLAGS'],
 CPPPATH=['.', 'include'],
 ENV={'PATH': os.environ['PATH']})

env.ParseConfig('llvm-config --cxxflags --ldflags --libs support')

env.Program('rsloader',
 source=['lib/ELFHeader.cpp',
 'lib/ELFSectionHeader.cpp',
 'lib/ELFSymbol.cpp',
 'lib/ELFTypes.cpp',
 'lib/MemChunk.cpp',
 'lib/StubLayout.cpp',
 'utils/helper.cpp',
 'utils/raw_ostream.cpp',
 'main.cpp'])