Re: Removing obsolete configure checks

Thomas Munro <thomas.munro@gmail.com> writes:
> On Fri, Feb 21, 2020 at 7:00 AM Tom Lane <tgl@sss.pgh.pa.us> wrote:
>> All of the above are required by C99 and/or SUSv2, and the configure-using
>> buildfarm members are unanimous in reporting that they have them, and
>> msvc/Solution.pm expects Windows to have them.

> I think the same now applies to <wctype.h>, without gaur.  So I
> propose the attached.  I split it into two patches, because 0001 is
> based on scraping build farm configure output, while 0002 is an
> educated guess and might finish up needing to be reverted if I'm
> wrong.

+1.  SUSv2 is perfectly clear that <wctype.h> is supposed to declare
these functions.  I'm not surprised that gaur's 1996-ish system headers
failed to see into the future; but prairiedog is up to speed on this
point, and I should think all the surviving BF animals are too.

            regards, tom lane