Re: Fix C23 compiler warning

From: Alvaro Herrera <alvherre(at)alvh(dot)no-ip(dot)org>
To: Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>
Cc: Peter Eisentraut <peter(at)eisentraut(dot)org>, pgsql-hackers <pgsql-hackers(at)postgresql(dot)org>
Subject: Re: Fix C23 compiler warning
Date: 2024-10-26 14:16:27
Message-ID: 202410261416.6dn5sgkvwie4@alvherre.pgsql
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On 2024-Oct-25, Tom Lane wrote:

> 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.

Ah, yeah. That was 2.71 actually:
https://postgr.es/m/3838336.1657985206@sss.pgh.pa.us
1.72 seems to have been released with some fixes from that one. Per
that thread, the related problem you noticed was with m4, and apparently
it was because macOS ships a version from 2006 (1.4.7). Here on Debian
bookworm I have m4 1.4.19; maybe macOS has updated its copy now?

--
Álvaro Herrera 48°01'N 7°57'E — https://www.EnterpriseDB.com/

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