Re: Detection of hadware feature => please do not use signal

Thomas Munro <thomas.munro@gmail.com>

From: Thomas Munro <thomas.munro@gmail.com>

To: Bastien Roucariès <rouca@debian.org>

Cc: Tom Lane <tgl@sss.pgh.pa.us>, Heikki Linnakangas <hlinnaka@iki.fi>, pgsql-bugs@lists.postgresql.org

Date: 2024-11-22T10:11:42Z

Lists: pgsql-bugs

On Fri, Nov 8, 2024 at 9:56 PM Bastien Roucariès <rouca@debian.org> wrote:
> I will guard the include by replacing
> +#if defined(__linux__) && !defined(__aarch64__)
> by
> +#if defined(__linux__) && !defined(__aarch64__) && !defined(HWCAP2_CRC32)

Committed like that.  Thanks!
https://git.postgresql.org/gitweb/?p=postgresql.git;a=commitdiff;h=aac831cafa

Commits

Update configure probes for CFLAGS needed for ARM CRC instructions.
- e266a0ed67d2 17.3 landed
- 851c6ff18fd3 15.11 landed
- 5980f1884fc9 18.0 landed
- 32057a0f791e 13.19 landed
- 2fc0199a5015 14.16 landed
- 1f4aadec41b8 16.7 landed
Support runtime CRC feature probing on NetBSD/ARM using sysctl().
- 4570b22666dd 18.0 landed
Use auxv to check for CRC32 instructions on ARM.
- aac831cafa6f 18.0 landed
Improve our method for probing the availability of ARM CRC instructions.
- 1c72ec6f4989 11.0 cited