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