Re: pgsql: Inline CRC computation for small fixed-length input on x86

On Mon, Mar 31, 2025 at 2:18 PM John Naylor <johncnaylorls@gmail.com> wrote:

> Hmm, skimmer doesn't like this, and it's one of the animals that
> builds with -msse4.2:
>
> https://buildfarm.postgresql.org/cgi-bin/show_stage_log.pl?nm=skimmer&dt=2025-03-31%2007%3A00%3A27&stg=configure
>
> "checking which CRC-32C implementation to use... SSE 4.2"
>
>  I'm now looking for clues as to what could be causing the build failure.

Looking at the configure output, I don't see -msee4.2 (or equivalent),
so it shouldn't be reporting that it's targeting SSE 4.2. Maybe it's
using a cached value, and deleting the configure cache would clear
this up? (CC'-d owner)

--
John Naylor
Amazon Web Services