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From: Tom Lane <[email protected]>
To: John Naylor <[email protected]>
Cc: Tobias Bussmann <[email protected]>
Cc: Lukas Fittl <[email protected]>
Cc: Jakob Egger <[email protected]>
Cc: pgsql-hackers <[email protected]>
Cc: Andres Freund <[email protected]>
Subject: Re: Broken build on macOS (Universal / Intel): cpuid instruction not available
Date: Fri, 08 May 2026 09:54:55 -0400
Message-ID: <[email protected]> (raw)
In-Reply-To: <CANWCAZZNu5nLzeeNs8TyC6Xs4HKzHni=yeTqCH7_QNpktR2nMQ@mail.gmail.com>
References: <[email protected]>
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John Naylor <[email protected]> writes:
> On Fri, May 8, 2026 at 3:26 PM Tobias Bussmann <[email protected]> wrote:
>> analysed how useful these universal builds are given the lack of
>> optimisations for one of the architectures, but at least they are possible
>> again, as they were previously.

> Taking a quick look at the configure output you provided, certain
> optimizations will be lacking on both architectures:

Yeah.  I think the main practical problem will be the
lowest-common-denominator CRC code.  However, AFAICS a universal build
would have been selecting that from day one, so if the performance has
been acceptable so far it won't be any worse in v19.

			regards, tom lane

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