bug#31148: 26.1; require w32 errors

[Eli Zaretskii]

> From: Alex Branham <alex.branham@gmail.com>
> Cc: 31148@debbugs.gnu.org
> Date: Fri, 13 Apr 2018 10:15:59 -0500
> 
> >> (require 'w32-fns nil t)
> >>
> >> It produces an error void-function set-message-beep. This is reproducible 
> >> for me from emacs -q.
> >
> > Don't do that, then, unless you are in a w32 Emacs.
> 
> What's the recommended way for packages to rely on these functions then?
> It seems annoying to wrap every call to w32-functions in
> (if (fboundp ...) (w32-...))

I don't understand the question.  w32-fns.el is preloaded on
MS-Windows, so packages that rely on some function from there can
simply call them.

IOW, why would you want to 'require' w32-fns?