bug#68464: 30.0.50; autogen.sh creating modified files in build-aux with Autoconf 2.72

[Eli Zaretskii]

> Date: Sat, 20 Jan 2024 16:51:06 -0800
> Cc: schwab@linux-m68k.org, gerd.moellmann@gmail.com,
>  68464-done@debbugs.gnu.org, Pierre Téchoueyres
>  <pierre.techoueyres@free.fr>
> From: Paul Eggert <eggert@cs.ucla.edu>
> 
> Anyway, these two files (along with other Gnulib-derived files in the 
> Emacs repository) are updated automatically by admin/merge-gnulib. Today 
> I did such an update on the master branch, so config.guess and 
> config.sub are now updated to their latest versions.

Thanks.

> I then reproduced the problem that Gerd mentioned. Gnulib's config.guess 
> etc. tend to be more up-to-date, and anyway the Emacs build is more 
> reproducible if we use the Emacs repository version of config.guess etc. 
> (instead of whatever version the developer's Autoconf happens to have), 
> so I installed the attached patch which fixed the problem for me.

And thanks.