Re: Broken build on macOS (Universal / Intel): cpuid instruction not available

Tobias Bussmann <t.bussmann@gmx.net>

From: Tobias Bussmann <t.bussmann@gmx.net>

To: Tom Lane <tgl@sss.pgh.pa.us>

Cc: Daniel Gustafsson <daniel@yesql.se>, John Naylor <johncnaylorls@gmail.com>, Jakob Egger <jakob@eggerapps.at>, PostgreSQL Hackers <pgsql-hackers@postgresql.org>, john.naylor@postgresql.org

Date: 2026-05-07T14:57:50Z

Lists: pgsql-hackers

Commits

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Fix universal builds on MacOS
- 901ed9b352b4 19 (unreleased) landed
Centralize detection of x86 CPU features
- 16743db061e4 19 (unreleased) cited

> Am 07.05.2026 um 15:59 schrieb Tom Lane <tgl@sss.pgh.pa.us>:
> 
> I can believe that
> universal builds are busted, because we don't test that.


I've already noticed that there isn't much variety in the buildfarm animals
available for Darwin. Given the availability of a fairly beefy macOS VM server
here, I've considered hosting some VMs to provide coverage of things like
universal builds and cross-compilation using different versions of the Apple
toolkits for the build farm. This issue provides the motivation to take it further.

regards
Tobias