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Subject: Re: Broken build on macOS (Universal / Intel): cpuid instruction not
 available
From: Jakob Egger <jakob@eggerapps.at>
In-Reply-To: <857403.1778162371@sss.pgh.pa.us>
Date: Thu, 7 May 2026 16:38:16 +0200
Cc: Daniel Gustafsson <daniel@yesql.se>,
 John Naylor <johncnaylorls@gmail.com>,
 PostgreSQL Hackers <pgsql-hackers@postgresql.org>,
 john.naylor@postgresql.org,
 Tobias Bussmann <t.bussmann@gmx.net>
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To: Tom Lane <tgl@sss.pgh.pa.us>
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> Am 07.05.2026 um 15:59 schrieb Tom Lane <tgl@sss.pgh.pa.us>:
>=20
> Daniel Gustafsson <daniel@yesql.se> writes:
>>> On 7 May 2026, at 14:42, John Naylor <johncnaylorls@gmail.com> =
wrote:
>>>> This results in an error:
>>>> checksum.c:57:6: error: call to undeclared function =
'x86_feature_available'
>=20
>>> That's strange. I have an Intel MacBook laying around -- I'll see =
what I can do.
>=20
>> I use an Intel MacBook Pro as my daily driver (currently running =
macOS 14.7)
>> and have not had any issues.
>=20
> BF member longfin is an Intel Mac Mini and has not shown issues
> (although I think it's one macOS rev behind).  I can believe that
> universal builds are busted, because we don't test that.  But
> claiming that a plain Intel build is broken is contrary to
> available evidence.

I've set up a fresh VM with macOS 26.4.1 and command line tools.
Universal builds are still broken, but Intel builds (with Rosetta) work =
in the new VM.
So the intel issue might be something unique to my machine. I''ll try to =
figure it out.

Jakob=