Re: [HACKERS] taking stdbool.h into use

On Tue, Mar 20, 2018 at 02:14:23PM -0700, Andres Freund wrote:
> On 2018-03-20 17:04:22 -0400, Peter Eisentraut wrote:
> > On 3/20/18 02:18, Tom Lane wrote:
> > > I think it'd be worth identifying exactly which platforms have
> > > sizeof(bool) different from 1. Are any of them things that anyone
> > > cares about going forward? The point of this patch is to ease
> > > future development of extensions, but it's unlikely any extension
> > > authors care about portability onto, say, macOS 10.4 (prairiedog).
> >
> > I'm not sure I follow. Say we commit configure tests and discover that
> > platforms A, B, and C are affected. What would we do with that
> > information? I don't think we are saying we'd just break A, B, and C.
>
> If those are only older platforms we could just not use stdbool for
> those. The likelihood of getting into conflicts with $library stdbool
> uses is lower...

Yeah, I agree with that. Just not using stdbool.h in those cases ought
to be fine. Any platforms where sizeof(bool) is 4 involves macos older
than 10.5 and Windows platforms using MSVC versions older than 2003
(didn't look further down either).
--
Michael