288                          output_dir=''):  argument
294         output_dir = output_dir or ''
308                 return os.path.join(output_dir, base + ext_map[ext])
319                 output_dir=None, macros=None, include_dirs=None, debug=0,  argument
324         compile_info = self._setup_compile(output_dir, macros, include_dirs,
411                           output_dir=None,  argument
417         objects, output_dir = self._fix_object_args(objects, output_dir)
419                                                 output_dir=output_dir)
438              output_dir=None,  argument
451         objects, output_dir = self._fix_object_args(objects, output_dir)
463         if output_dir is not None:
464             output_filename = os.path.join(output_dir, output_filename)
493             output_dir = os.path.dirname(os.path.abspath(output_filename))
494             self.mkpath(output_dir)