Re: meson: Specify -Wformat as a common warning flag for extensions

On 29.05.24 08:47, Sutou Kouhei wrote:
> In <4707d4ed-f268-43c0-b4dd-cdbc7520f508@eisentraut.org>
>    "Re: meson: Specify -Wformat as a common warning flag for extensions" on Tue, 28 May 2024 23:31:05 -0700,
>    Peter Eisentraut <peter@eisentraut.org> wrote:
> 
>> On 07.04.24 18:01, Sutou Kouhei wrote:
>>> +# We don't have "warning_level == 3" and "warning_level ==
>>> +# 'everything'" here because we don't use these warning levels.
>>> +if warning_level == '1'
>>> +  common_builtin_flags += ['-Wall']
>>> +elif warning_level == '2'
>>> +  common_builtin_flags += ['-Wall', '-Wextra']
>>> +endif
>>
>> I would trim this even further and always export just '-Wall'.  The
>> other options aren't really something we support.
> 
> OK. How about the v6 patch? It always uses '-Wall'.

Yes, this looks good to me.

All: I think we should backpatch this.  Otherwise, meson-based installs 
will get suboptimal behavior for extension builds via pgxs.