def runtime_library_dir_option (self, dir):
        # Nothing needed or Mwerks/Mac.
        return
attaches self to over frame if attaching would not create loop
dataset/ETHPy150Open ofermend/medicare-demo/socialite/jython/Lib/distutils/mwerkscompiler.py/MWerksCompiler.runtime_library_dir_option--crossover with--dataset/ETHPy150Open ioflo/ioflo/ioflo/base/framing.py/Frame.attach