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- #! /usr/bin/env python
- # encoding: utf-8
- # Thomas Nagy, 2011 (ita)
- """
- Map a compilation failure to a successs status. People playing with C++ templates
- might need this.
- """
- top = '.'
- out = 'build'
- def options(opt):
- opt.load('compiler_cxx')
- def configure(conf):
- conf.load('compiler_cxx')
- def build(bld):
- bld.objects(source='success.cpp', target='ok')
- bld.objects(source='fail.cpp', target='fail', features='fail')
- ##################################################################
- # the feature 'fail' is defined below
- from waflib.Tools.cxx import cxx
- # our task class
- class cxxfail(cxx):
- def run(self):
- ret = super(cxxfail, self).run()
- self.outputs[0].write('just a simulation')
- return not ret
- # @extension would apply this to all through TaskGen.mappings
- def one_more_mapping(self, node):
- return self.create_compiled_task('cxxfail', node)
- from waflib.TaskGen import feature, before
- @before('process_source')
- @feature('fail')
- def remap_failure_to_success(self):
- # override
- self.mappings = dict(self.mappings)
- # then change the extension processing
- self.mappings['.cpp'] = one_more_mapping
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