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我愿做一个SCons的生成器输出的一些后期处理:嵌套使用SCons生成器
env = Environment()
bld = Builder(action = 'postproc $SOURCE $TARGET')
env.Append(BUILDERS = {'PostProc': bld})
prog = env.Program('foo.c')
env.PostProc('foo.pp',prog)
可正常工作。但是,我宁愿使用一个生成器调用,所以我想我可以窝这样的:
env = Environment()
bld = Builder(action = 'postproc $SOURCE $TARGET')
env.Append(BUILDERS = {'PostProc': bld})
def build_pp(env, target, source):
prog = env.Program(source)
return env.PostProc(target,prog)
bld2 = Builder(action = build_pp)
env.Append(BUILDERS = {'BuildPP': bld2})
env.BuildPP('foo.pp','foo.c')
但可理解的结果是:
scons: *** [foo.pp] Multiple ways to build the same target were specified for: foo.pp (from ['foo.c'] and from ['foo'])
任何想法如何这可能实现吗?