The config.guess and config.sub scripts were downloaded from
http://git.savannah.gnu.org/cgit/config.git/tree/config.guess?id=2593751ef276497e312d7c4ce7fd049614c7bf80
http://git.savannah.gnu.org/cgit/config.git/tree/config.sub?id=2593751ef276497e312d7c4ce7fd049614c7bf80