| #! /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'] |
