Re: Cannot find a working 64-bit integer type on Illumos

On Thu, Dec 5, 2024 at 4:29 PM Tom Lane <tgl@sss.pgh.pa.us> wrote:
> Thomas Munro <thomas.munro@gmail.com> writes:
> > Ahh, correction, it does define it (or else perl would have
> > complained), but it seems that meson magically puts it into the
> > compiler command line without being asked.  So it is defined without
> > pg_config.h being involved, and thus earlier.  Huh.
>
> That does not seem great.  Compile an extension without the same
> CPPFLAGS, you silently get an ABI-incompatible module.  We really
> ought to be putting these ABI-critical flags into pg_config.h.
> It's especially bad that this works differently between autoconf
> and meson builds.

It makes the whole MinGW circus worse that I'd realised:


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