Re: Build failure with Meson >= 1.8.3 on Windows

Hi,

On Mon, 13 Oct 2025 at 15:30, Dave Page <dpage(at)pgadmin(dot)org> wrote:
>
> I recently tried to update the version of Meson used in my winpgbuild project, which builds PostgreSQL for Windows, along with (almost) all the various dependencies. Something has changed in versions from 1.8.3 and above which causes the regression tests to fail:
>
> This successful run is with Meson 1.8.2: https://github.com/dpage/winpgbuild/actions/runs/18462942864
>
> This failed run is with Meson 1.8.3: https://github.com/dpage/winpgbuild/actions/runs/18464267466
>
> This failed run is with Meson 1.8.5: https://github.com/dpage/winpgbuild/actions/runs/18456020620
>
> Logs etc. can be found at the URLs above (you might need to be logged into Github to see them); I haven't attached them here as they will almost certainly exceed the size limit for the mailing list.
>
> We do have 3 build farm animals running Meson, however they all have significantly older versions installed.

I tested Meson 1.8.5 on the Postgres CI (on both VS 2019 and VS 2022),
and there were no errors [1]. Also, Postgres CI uses Meson 1.9.1
without any failures. Could it be that one of the dependencies you
build is causing the problem?

[1] https://cirrus-ci.com/build/4701538502836224

--
Regards,
Nazir Bilal Yavuz
Microsoft