[PATCH 1/4] configure: Use autoconf 2.71

[Siddhesh Poyarekar]

On 2023-06-29 15:48, Joseph Myers wrote:
> On Thu, 29 Jun 2023, Siddhesh Poyarekar via Libc-alpha wrote:
> 
>> Bump autoconf requirement to 2.71 to allow regenerating configure.ac on
>> more recent distributions.  autoconf 2.71 has been in Fedora since F36
>> and is the current version in Debian stable (bookworm).  It appears to
>> be current in Gentoo as well.
> 
> Did you regenerate all the subdirectory configure / preconfigure fragments
> (i.e. autoconf $file.ac > $file, for $file in all the configure and
> preconfigure files in sysdeps that have a corresponding .ac file - note
> that many preconfigure fragments are just shell script fragments with no
> corresponding .ac file) and find that they didn't change?
> 

Ahh no I didn't because we rarely change them.  I'll do this.

Thanks,
Sid