The config.guess and config.sub scripts were downloaded from
http://git.savannah.gnu.org/cgit/config.git/tree/config.guess?id=6947a35648e577c2e3a12d5c88d488c6ea94e1c0
http://git.savannah.gnu.org/cgit/config.git/tree/config.sub?id=6947a35648e577c2e3a12d5c88d488c6ea94e1c0

Our private patches are in the patches/ directory.