Autoconf hasn’t had an update since 2014, and it doesn’t look like it will soon[1]
This updates config.{guess,sub}
It adds support for e.g. `-ios`, which allows to have targets like `aarch64-apple-ios`.
It basically does exactly what the config.guess script says:
> It is advised that you download the most up to date version of the config scripts from
The configure.ac script has been updated to relax `*-apple-darwin*` to `*-apple-*`.
Similarly the `.gitignore` and `autogen.sh` needed to be updated to respect the
newer `config.{sub,guess}`
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[1]: http://lists.gnu.org/archive/html/autoconf/2016-07/msg00017.html
Anthony Green
Moritz Angermann
Tom Tromey
Russell Keith-Magee
Josh Triplett
Zachary Waldowski
Zachary Waldowski
Mike Lewis