123 lines
3.1 KiB
Python
123 lines
3.1 KiB
Python
# SConstruct
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# vim: set ft=python:
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#
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# Toplevel Scons build script. This should be mostly complete and generic enough
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# for most builds.
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#
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# Eryn Wells <eryn@erynwells.me>
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#
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# DEFAULT CONFIGURATION VALUES
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#
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# Settings for the default toolchain binaries. Setting these overrides the
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# defaults, provided your the given binary exists.
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CC = None
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CXX = None
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AS = None
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LINK = None
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# Same as above but for default CFLAGS. These are appended to both CFLAGS and
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# CXXFLAGS.
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CFLAGS = '-Wall -Wextra -pedantic'
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#
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# BUILD STUFF BELOW HERE
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#
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import os
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import os.path
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import SCons.Errors
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if not GetOption('build_cmds'):
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def comstr(action):
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return '{:>18}: $TARGET'.format(action)
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default_env = DefaultEnvironment()
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default_env['ARCOMSTR'] = comstr('Archiving')
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default_env['ASCOMSTR'] = comstr('Assembling')
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default_env['ASPPCOMSTR'] = comstr('Assembling')
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default_env['CCCOMSTR'] = comstr('Building (C)')
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default_env['CXXCOMSTR'] = comstr('Building (C++)')
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default_env['LINKCOMSTR'] = comstr('Linking')
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default_env['RANLIBCOMSTR'] = comstr('Indexing')
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default_env['SHCCCOMSTR'] = comstr('Building (C)')
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default_env['SHCXXCOMSTR'] = comstr('Building (C++)')
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default_env['SHLINKCOMSTR'] = comstr('Linking (Shared)')
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build_dir = Dir('#build')
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lib_dir = Dir('#lib')
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src_dir = Dir('#src')
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test_dir = Dir('#test')
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def create_env(name, src_dirs, appends=None):
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output_dir = build_dir.Dir(name)
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env = DefaultEnvironment().Clone()
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env['__name'] = name
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env['__build_dir'] = output_dir
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env['__src_dirs'] = []
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env['__output_dirs'] = []
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for d in src_dirs:
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out_dir = output_dir.Dir(d.path)
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env['__src_dirs'].append(d)
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env['__output_dirs'].append(out_dir)
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env.VariantDir(out_dir, d.path, duplicate=0)
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env.Clean('.', out_dir)
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if appends:
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for k, v in appends.iteritems():
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if k.startswith('='):
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env[k[1:]] = v
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else:
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env.Append(**{k: v})
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return env
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debug_cflags = ' -O0 -g'
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debug_env = create_env('debug', [src_dir], {
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'CPPDEFINES': ['DEBUG'],
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'CFLAGS': debug_cflags,
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'CXXFLAGS': debug_cflags,
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})
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release_cflags = ' -O2'
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release_env = create_env('release', [src_dir], {
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'CPPDEFINES': ['RELEASE'],
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'CFLAGS': release_cflags,
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'CXXFLAGS': release_cflags,
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})
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test_gtest_dir = Dir('#lib/gtest')
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test_gtest_include = test_gtest_dir.Dir('include')
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test_env = create_env('test', [src_dir, test_dir, test_gtest_dir], {
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'CPPDEFINES': ['DEBUG'],
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'CPPPATH': [test_gtest_include],
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'LIBPATH': [test_gtest_dir],
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'CFLAGS': debug_cflags,
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'CXXFLAGS': debug_cflags,
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})
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modes = {
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'debug': debug_env,
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'release': release_env,
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'test': test_env,
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}
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mode = ARGUMENTS.get('MODE', None)
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build_modes = []
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if mode:
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# If MODE=foo is specified, build only that mode.
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build_modes.append(mode)
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else:
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build_modes = modes.keys()
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for mode in build_modes:
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try:
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env = modes[mode]
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except KeyError:
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print 'Skipping invalid mode: {}'.format(mode)
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for d in env['__output_dirs']:
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env.SConscript(d.File('SConscript'), {'env': env})
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