72 lines
2.5 KiB
Ruby
72 lines
2.5 KiB
Ruby
module Rscons
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# A default RScons builder which knows how to produce an object file from
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# various types of source files.
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class Object < Builder
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def default_variables(env)
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{
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'OBJSUFFIX' => '.o',
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'AS' => '$CC',
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'ASFLAGS' => [],
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'ASSUFFIX' => '.S',
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'ASPPPATH' => '$CPPPATH',
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'ASPPFLAGS' => '$CPPFLAGS',
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'ASDEPGEN' => ['-MMD', '-MF', '$_DEPFILE'],
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'ASCOM' => ['$AS', '-c', '-o', '$_TARGET', '$ASDEPGEN', '-I$[ASPPPATH]', '$ASPPFLAGS', '$ASFLAGS', '$_SOURCES'],
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'CPPFLAGS' => [],
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'CPPPATH' => [],
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'CC' => 'gcc',
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'CFLAGS' => [],
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'CSUFFIX' => '.c',
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'CCDEPGEN' => ['-MMD', '-MF', '$_DEPFILE'],
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'CCCOM' => ['$CC', '-c', '-o', '$_TARGET', '$CCDEPGEN', '-I$[CPPPATH]', '$CPPFLAGS', '$CFLAGS', '$_SOURCES'],
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'CXX' => 'g++',
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'CXXFLAGS' => [],
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'CXXSUFFIX' => '.cc',
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'CXXDEPGEN' => ['-MMD', '-MF', '$_DEPFILE'],
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'CXXCOM' =>['$CXX', '-c', '-o', '$_TARGET', '$CXXDEPGEN', '-I$[CPPPATH]', '$CPPFLAGS', '$CXXFLAGS', '$_SOURCES'],
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}
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end
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def produces?(target, source, env)
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target.has_suffix?(env['OBJSUFFIX']) and (
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source.has_suffix?(env['ASSUFFIX']) or
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source.has_suffix?(env['CSUFFIX']) or
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source.has_suffix?(env['CXXSUFFIX']))
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end
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def run(target, sources, cache, env, vars = {})
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vars = vars.merge({
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'_TARGET' => target,
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'_SOURCES' => sources,
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'_DEPFILE' => target.set_suffix('.mf'),
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})
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com_prefix = if sources.first.has_suffix?(env['ASSUFFIX'])
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'AS'
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elsif sources.first.has_suffix?(env['CSUFFIX'])
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'CC'
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elsif sources.first.has_suffix?(env['CXXSUFFIX'])
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'CXX'
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else
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raise "Error: unknown input file type: #{sources.first.inspect}"
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end
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command = env.build_command(env["#{com_prefix}COM"], vars)
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unless cache.up_to_date?(target, command, sources)
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cache.mkdir_p(File.dirname(target))
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FileUtils.rm_f(target)
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return false unless env.execute("#{com_prefix} #{target}", command)
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deps = sources
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if File.exists?(vars['_DEPFILE'])
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deps += env.parse_makefile_deps(vars['_DEPFILE'], target)
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FileUtils.rm_f(vars['_DEPFILE'])
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end
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cache.register_build(target, command, deps.uniq)
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end
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target
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end
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end
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end
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