Re: Regression tests fail with musl libc because libpq.so can't be loaded - Mailing list pgsql-bugs

Sent from my iPad

> On Mar 22, 2024, at 10:49 AM, Andres Freund <andres@anarazel.de> wrote:
>
> Hi,
>
>> On 2024-03-21 21:16:46 +0100, Wolfgang Walther wrote:
>> Right. The latter not only confuses musl, but also makes /proc/<pid>/environ
>> return garbage. This is also mentioned at the bottom of main.c, which has a
>> workaround for the specific case of UBSan depending on that. This is kind of
>> funny: Because we are relying on undefined behavior regarding the
>> modification of environ, we need a workaround for the
>> "UndefinedBehaviorSanitizer" - I guess by failing without this workaround,
>> it wanted to tell us something..
>
> I don't think that's quite a fair description. Ubsan is basically doing
> undefined things itself, so it's turtles all the way down.
>
>
>> So summarizing:
>
> FWIW, independent of which fix we go with, I think we need a buildfarm animal
> using musl. Even better if one of the CI tasks can be made to use musl as
> well.


We had one till 3 months ago. It’s on my list to recreate.

Cheers

Andrew