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27 lines
477 B
27 lines
477 B
15 years ago
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#!/usr/bin/env python
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# encoding: utf-8
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# John O'Meara, 2006
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# Thomas Nagy, 2006-2008
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"Flex processing"
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import TaskGen
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def decide_ext(self, node):
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if 'cxx' in self.features: return '.lex.cc'
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else: return '.lex.c'
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TaskGen.declare_chain(
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name = 'flex',
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rule = '${FLEX} -o${TGT} ${FLEXFLAGS} ${SRC}',
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ext_in = '.l',
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decider = decide_ext,
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before = 'cc cxx',
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)
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def detect(conf):
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conf.find_program('flex', var='FLEX', mandatory=True)
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v = conf.env
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v['FLEXFLAGS'] = ''
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