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#! /usr/bin/env python
# encoding: utf-8
#! /usr/bin/env python
# encoding: utf-8
# John O'Meara, 2006
# Thomas Nagy, 2006-2008
"Flex processing"
import Object
def decide_ext(self, node):
if 'cxx' in self.features: return '.lex.cc'
else: return '.lex.c'
Object.declare_chain(
name = 'flex',
action = '${FLEX} -o${TGT} ${FLEXFLAGS} ${SRC}',
ext_in = '.l',
ext_out = decide_ext
)
def detect(conf):
flex = conf.find_program('flex', var='FLEX')
if not flex: conf.fatal("flex was not found")
v = conf.env
v['FLEXFLAGS'] = ''
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