def options(opt):
    """
	Add the ``--with-perl-archdir`` and ``--with-perl-binary`` command-line options.
	"""
    opt.add_option('--with-perl-binary', type='string', dest='perlbinary',
        help='Specify alternate perl binary', default=None)
    opt.add_option('--with-perl-archdir', type='string', dest='perlarchdir',
        help='Specify directory where to install arch specific files',
        default=None)
