> > > We should probably split w32-win.el into two parts, one loaded by both
> > > the native Windows and Cygw32 builds, the other only by the former.
> > > But I don't know enough about the Cygw32 build and it needs, and don't
> > > have Cygwin installed to build it in the first place, so I'm not the
> > > best person for doing that job.  Maybe Ken (CC'ed) has comments or
> > > suggestions on this.
> >
> > That sounds like a reasonable approach, but I don't have time to dig 
> > into it right now.  I don't actually know the innards of the Cygw32 
> > build very well.  I never use that build myself, and I only build it 
> > when someone asks me to test something.  Kazuhiro, are you interested in 
> > giving Eli's suggestion a try?  I have a feeling that you're more 
> > familiar with that part of the code than I am.
>
> Ping!  Kazuhiro, do you intend on giving this a try?|

Sorry for the late response.  I didn't have enough time and actually I
don't know Emacs internals well in any area.  I simply build Emacs for
testing elisp packages I maintain.  But I tried on it.
Please review.

-- 
Kazuhiro Ito