88 lines
2.1 KiB
Python
88 lines
2.1 KiB
Python
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import os
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Help("""
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This is the third scons example. In this example we see more things that we
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can do with scons. Namely: arguments, variant build directory, and install.
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One can add the help for the expected build arguments using this help
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function call
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DEBUG=1,0 - enable debug build, default 1
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ASSERT=1,0 - enable run time assertion, default 1 in DEBUG=1 and 0 otherwise
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COMPILER=compilerName - compiler name
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BUILDNAME=buildName - build name
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""")
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#
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# Processing arguments
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#
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debugArg = ARGUMENTS.get('DEBUG', '1')
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if debugArg not in ['0', '1']:
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raise RuntimeError('Check the DEBUG input argument.')
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assertArg = '1' if debugArg == '1' else ARGUMENTS.get('ASSERT', '0')
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if assertArg not in ['0', '1']:
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raise RuntimeError('Check the ASSERT input argument.')
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compilerName = ARGUMENTS.get('COMPILER', '')
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buildName = ARGUMENTS.get('BUILDNAME', 'default')
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#
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# Initializing the environment
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#
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env = Environment(CC='clang',
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CXX='clang++')
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ccFlags = []
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linkFlags = []
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if compilerName == 'gcc':
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env.Replace(CC='gcc',
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CXX='g++')
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ccFlags = ["-std=c++1z", "-Wall", "-Wuninitialized", "-Wunused", "-Wconversion", "-fpermissive"]
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if debugArg == '0':
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ccFlags += ["-O3"]
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linkFlags = ["-Wl,--export-dynamic"]
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else:
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ccFlags += ["-g", "-O0"]
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linkFlags = ["-g"]
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else:
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ccFlags = ["-std=c++1z", "-Wall", "-Wuninitialized", "-Wunused", "-Wconversion", "-fpermissive"]
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if debugArg == '0':
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ccFlags += ["-O3"]
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linkFlags = ["-Wl,--export-dynamic"]
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else:
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ccFlags += ["-g", "-O0"]
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linkFlags = ["-g"]
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env['CPPFLAGS'] = ccFlags
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env['LINKFLAGS'] = linkFlags
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cppDefine = {}
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if assertArg == '0':
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cppDefine['NDEBUG'] = None
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env['CPPDEFINES'] = cppDefine
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#
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# Paths setup
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#
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env.srcDir = Dir('#').abspath
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env.buildDir = os.path.join(env.srcDir, 'build', buildName)
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env.installDir = os.path.join(env.srcDir, 'install', buildName)
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VariantDir(variant_dir=env.buildDir,
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src_dir=env.srcDir,
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duplicate=0)
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#
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# Add build targets
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#
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SConscript(os.path.join(env.buildDir, 'SConscript'),
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exports={'env' : env})
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