Re: Gnulib's wctype.h fails to compile with MinGW

[Eli Zaretskii]

> Date: Thu, 27 Apr 2017 20:50:25 +0300
> From: Eli Zaretskii <address@hidden>
> CC: address@hidden
> 
> > From: Bruno Haible <address@hidden>
> > Date: Thu, 27 Apr 2017 19:03:35 +0200
> > 
> > Thanks for the report and suggested fix.
> > 
> > The #ifdefology here seems a bit fragile to me (will likely break in other
> > forks of mingw), therefore I'm using an Autoconf test instead:
> 
> I only know of 2 flavors of MinGW (and wish there were only one), but
> of course an Autoconf test is even better.  Thanks.

It turns out the same problem exists in Gnulib's wchar.h, so it needs
the same solution.  Bruno, could you do that, please?

(The reason I didn't see that before is because Gnulib's wchar.h is
used in Texinfo only when compiling the XS extensions, which I didn't
succeed in originally.)

TIA