Re: zlib detection in Meson on Windows broken?

On Wed, 22 May 2024 at 17:50, Nazir Bilal Yavuz <byavuz81@gmail.com> wrote:

> Hi,
>
> On Wed, 22 May 2024 at 17:21, Dave Page <dpage@pgadmin.org> wrote:
> >
> > Hi
> >
> > On Wed, 22 May 2024 at 14:11, Nazir Bilal Yavuz <byavuz81@gmail.com>
> wrote:
> >>
> >>
> >> I tried to install your latest zlib artifact (nmake one) to the
> >> Windows CI images (not the official ones) [1]. Then, I used the
> >> default meson.build file to build but meson could not find the zlib.
> >> After that, I modified it like you suggested before; I used a
> >> 'cc.find_library()' to find zlib as a fallback method and it seems it
> >> worked [2]. Please see meson setup logs below [3], does something
> >> similar to the attached solve your problem?
> >
> >
> > That patch does solve my problem - thank you!
>
> I am glad that it worked!
>
> Do you think that we need to have this patch in the upstream Postgres?
> I am not sure because:
> - There is a case that meson is able to find zlib but tests fail.
> - This might be a band-aid fix rather than a permanent fix.


Yes I do:

- This is the documented way to build/install zlib on Windows.
- The behaviour with the patch matches <= PG16
- The behaviour with the patch is consistent with OpenSSL detection, and
(from a quick, unrelated test), libxml2 detection.

Thanks!

>