(self, dir)
Return the compiler option to add 'dir' to the list of
        directories searched for libraries.
Return the compiler option to add 'dir' to the list of
        directories searched for libraries.
Return the compiler option to add dir to the list of directories searched for libraries .
def library_dir_option(self, dir):
        """Return the compiler option to add 'dir' to the list of
        directories searched for libraries.
        """
        raise NotImplementedError
def library_dir_option ( self , dir ) : raise NotImplementedError