Outdated libtool creates trouble on macOS

[Marc Glisse]

On Sun, 30 Jul 2023, FX Coudert wrote:

> Attached is a diff that fixes most of the warnings. It does three things:
>
> - raise autoconf requirement to 2.69 (released in 2012, and what you already use currently for production of the tarballs)
> - replaces AC_FD_CC with AS_MESSAGE_LOG_FD, its new name
> - replaces AC_HELP_STRING with AS_HELP_STRING, its new name

I checked, there is no change in the generated files, so I pushed it.

> I’ll try to have a look: it would be good to contribute those changes early, so there is ample testing before a future release, as you said.

Yes. But probably not this week for me, my holidays are just starting :-)

-- 
Marc Glisse