elif Key == TAB_TAT_DEFINES_BUILD_RULE_CONF and self.Opt.BUILD_RULE_FILE != None:
        buildruleFullPath = os.path.join(self.WorkSpace, self.Opt.BUILD_RULE_FILE)
        if os.path.exists(buildruleFullPath):
            Line = "%-30s = %s\n" % (Key, self.Opt.BUILD_RULE_FILE)
        else: