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From: Tom Lane <[email protected]>
To: Peter Eisentraut <[email protected]>
Cc: Zhang Mingli <[email protected]>
Cc: PostgreSQL Hackers <[email protected]>
Subject: Re: [BUG?] macOS (Intel) build warnings: "ranlib: file … has no symbols" for aarch64 objects
Date: Wed, 04 Feb 2026 10:28:53 -0500
Message-ID: <[email protected]> (raw)
In-Reply-To: <[email protected]>
References: <b3e0930c-e86c-4a6e-8059-281424ca6d69@Spark>
	<229aaaf3-f529-44ed-8e50-00cb6909af21@Spark>
	<[email protected]>

Peter Eisentraut <[email protected]> writes:
> On 29.01.26 07:35, Zhang Mingli wrote:
>> These warnings appear to be related to the recent AArch64 (pg_popcount) 
>> optimization commits (possibly 79e232ca013c and fbe327e5b465d). It seems 
>> that on my Intel-based macOS system, the build process is generating 
>> empty or placeholder object files for the AArch64-specific implementations.
>> While there is no functional impact in my environment, I'm reporting 
>> this to ensure it's noted, as other macOS/Intel users might encounter 
>> the same warnings during their build.

> Probably not worth fixing, since this is an obsolescent platform.

Yeah.  My Intel Mac buildfarm animal (longfin) has been showing this
for some time, but there's no corresponding warning on its ARM Mac
brethren (sifaka/indri).  I doubt it's worth fixing just to get
rid of the warning.  Although if a fix arises organically out of the
nearby thread about popcount refactoring, that would be okay here...

			regards, tom lane

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