cygwin gcc 3.1 branch updated

[Earnie Boyd]

Christopher Faylor wrote:
> 
> >
> >are going to break native  mingw builds, since mingw32.h includes cygwin.h and
> >t-cygwin is also a tmake_file for mingw.  Is it time to break out mingw32.h
> >from its dependency on cygwin.h?
> 
> Yes, sorry Danny.  I meant to mention that.  I believe that we should disentangle
> the two.  Either that or we should create common files which both use.  Or, I can
> add an #ifdef __CYGWIN__ around that swath of code if that helps.
> 

*sigh* I think that separation is the better solution.

Earnie.