1require 'mkmf'
2
3dir_config('yourlib')
4
5if have_header('yourlib.h') and have_library('yourlib', 'yourlib_init')
6  # If you use swig -c option, you may have to link libswigrb.
7  # have_library('swigrb')
8  create_makefile('yourlib')
9end
10