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#! /usr/bin/env python
# encoding: utf-8
# WARNING! Do not edit! http://waf.googlecode.com/git/docs/wafbook/single.html#_obtaining_the_waf_file
import waflib.TaskGen
def decide_ext(self,node):
if'cxx'in self.features:
return['.lex.cc']
return['.lex.c']
def flexfun(tsk):
env=tsk.env
bld=tsk.generator.bld
wd=bld.variant_dir
def to_list(xx):
if isinstance(xx,str):return[xx]
return xx
tsk.last_cmd=lst=[]
lst.extend(to_list(env['FLEX']))
lst.extend(to_list(env['FLEXFLAGS']))
lst.extend([a.path_from(bld.bldnode)for a in tsk.inputs])
lst=[x for x in lst if x]
txt=bld.cmd_and_log(lst,cwd=wd,env=env.env or None,quiet=0)
tsk.outputs[0].write(txt)
waflib.TaskGen.declare_chain(name='flex',rule=flexfun,ext_in='.l',decider=decide_ext,)
def configure(conf):
conf.find_program('flex',var='FLEX')
conf.env.FLEXFLAGS=['-t']
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