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from SCons.Script import *
def addFlexBuilder(env):
FlexAction = SCons.Action.Action("$FLEXCOM", "$FLEXCOMSTR")
env["FLEX"] = env.Detect("flex")
env["FLEXCOM"] = "flex --header-file=${TARGET.base}.h -o $TARGET $SOURCE"
def headerEmitter(target, source, env):
bs = SCons.Util.splitext(str(source[0].name))[0]
target.append(bs + '.h')
return (target, source)
builder = Builder(action = FlexAction,
suffix = '.cpp',
src_suffix = '.l',
emitter = headerEmitter)
env.Append(BUILDERS = {'Flex': builder})
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