setup.py 文件源码

def build_extension(self, ext):
        """Overridden method. Builds each Extension."""
        ext.runtime_library_dirs = self.rpath

        # Unfortunately things don't work as they should on the Mac...
        if platform.system() == 'Darwin':
            for path in self.rpath:
                ext.extra_link_args.append('-Wl,-rpath,' + path)

        # Call the base class method.
        build_ext.build_extension(self, ext)