[PATCH 02/21] Configure: regenerate for autoconf 2.71

[Carlos O'Donell]

On 6/22/23 15:07, Florian Weimer via Libc-alpha wrote:
> * Frédéric Bérat via Libc-alpha:
> 
>> Update configure.ac to enable support for autoconf 2.71, and autoreconf
>> to integrate new enable-fortify-source option.
> 
> You can use Jonathan's COPR repository for a glibc-compatible autoconf
> 2.69 version:
> 
>   <https://copr.fedorainfracloud.org/coprs/jwakely/autotools-gcc/>
> 
> No need to update autoconf.

While there is no need, I would really like to see the GNU Toolchain as a whole start
moving forward to autoconf 2.71. Like Joseph I encourage this to be sent as a distinct
patch for review.

-- 
Cheers,
Carlos.