From: | Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us> |
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To: | Andres Freund <andres(at)anarazel(dot)de> |
Cc: | Robert Haas <robertmhaas(at)gmail(dot)com>, Peter Eisentraut <peter(at)eisentraut(dot)org>, Noah Misch <noah(at)leadboat(dot)com>, pgsql-hackers(at)lists(dot)postgresql(dot)org |
Subject: | Re: Annoying build warnings from latest Apple toolchain |
Date: | 2023-12-01 02:24:21 |
Message-ID: | 15649.1701397461@sss.pgh.pa.us |
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Lists: | pgsql-hackers |
Andres Freund <andres(at)anarazel(dot)de> writes:
> On 2023-11-28 10:48:04 -0500, Robert Haas wrote:
>> What a stupid, annoying decision on Apple's part. It seems like
>> -Wl,-undefined,error is the default behavior, so they could have just
>> ignored that flag if present, but instead they complain about being
>> asked to do what they were going to do anyway.
> Especially because I think it didn't actually use to be the default when
> building a dylib.
Indeed. Whoever's in charge of their linker now seems to be quite
clueless, or at least aggressively anti-backwards-compatibility.
> While not helpful for this, I just noticed that there is
> -no_warn_duplicate_libraries, which would at least get rid of the
> ld: warning: ignoring duplicate libraries: '-lxml2'
> style warnings.
Oh! If that's been there long enough to rely on, that does seem
very helpful.
regards, tom lane
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