| From: | Tobias Bussmann <t(dot)bussmann(at)gmx(dot)net> |
|---|---|
| To: | Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us> |
| Cc: | John Naylor <johncnaylorls(at)gmail(dot)com>, Lukas Fittl <lukas(at)fittl(dot)com>, Jakob Egger <jakob(at)eggerapps(dot)at>, pgsql-hackers <pgsql-hackers(at)postgresql(dot)org>, Andres Freund <andres(at)anarazel(dot)de>, Sandeep Thakkar <sandeep(dot)thakkar(at)enterprisedb(dot)com> |
| Subject: | Re: Broken build on macOS (Universal / Intel): cpuid instruction not available |
| Date: | 2026-06-02 15:10:49 |
| Message-ID: | C6221345-E950-411D-924B-E0C45F3A6D92@gmx.net |
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| Lists: | pgsql-hackers |
> Am 02.06.2026 um 16:48 schrieb Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>:
>
> Tobias Bussmann <t(dot)bussmann(at)gmx(dot)net> writes:
>> Indeed. The universal builds seem to disable optimisations that are supported
>> natively.
>
> Yes, we realized that upthread. It's been like that since day 1,
> not something that's new in v19.
I wasn't intending to say that. I was rather wondering if it would be worth to test doing two independent builds and lipo all the binaries and libraries together manually to construct a proper optimised universal build.
> However, it definitely is a regression that the build fails
> altogether. Too bad nobody tried the x86 -> ARM case earlier.
We already touched the issue briefly before but didn't nail it. I wish I'd have more resources to contribute.
Tobias
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