Re: meson's in-tree libpq header search order vs -Dextra_include_dirs

On 14/09/2025 06:23, Thomas Munro wrote:
> Added to commitfest: https://commitfest.postgresql.org/patch/6056/
> 
> I'm having to carry this patch in all my development branches for now
> or I can't build on one of my regular dev machines, so I'm quite keen
> to get this into the tree soon and would back-patch to 16.
> 
> I gather no one else is affected yet, but I assume you can see the
> problem on a Mac by installing PostgreSQL with Homebrew/MacPorts, or
> on CI if you do this to .cirrus.tasks.yml:
> 
>     setup_additional_packages_script: |
> -    #pkg install -y ...
> +    pkg install -y postgresql17-client

The patch seems harmless enough to me, no objections to committing it. 
However, I'm worried that we'll soon break it again. The new rule is 
apparently "include libpq first", but we have no way of enforcing it.

- Heikki