Re: Fix C23 compiler warning

Alvaro Herrera <alvherre(at)alvh(dot)no-ip(dot)org> writes:
> On 2024-Oct-22, Peter Eisentraut wrote:
>> One thing I didn't realize until today is that currently C23 compilations
>> only work with meson. The autoconf version we are using doesn't support it,
>> and the configure results it produces are somehow faulty and then you get a
>> bunch of compilation errors. So if we wanted to make this a supported
>> thing, it looks like we would need to use at least autoconf 2.72.

> Oh wow. Should we at least update our autoconf requirement to 2.72 in
> master?

As I recall, we looked at adopting it some years ago and decided it
was too much churn for the value (seeing that the long-term plan is
to go to meson only). Maybe C23 is a reason to rethink, but from
what I recall of that, it won't be a painless update.

regards, tom lane