From: sandmann AT clio DOT rice DOT edu (Charles W. Sandmann)
Subject: Re: make/Windows/emu387
To: dj AT ctron DOT com (DJ Delorie)
Date: Mon, 3 Jan 1994 16:47:50 -0600 (CST)
Cc: darrylo AT hpnmhjw DOT sr DOT hp DOT com, djgpp AT sun DOT soe DOT clarkson DOT edu

> > If a 32-bit DPMI client comes up under Windows, Windows'll put 32-bit
> > interrupt gates in the IDT.  If a 16-bit client then tries to
> > come up in the same IDT, there would indeed be serious problems.
> 
> Is the opposite true?  If so, you can't run gcc from Borland's make either.

You cannot run gcc in DPMI mode from BCC's make, something I noticed when 
developing the DPMI GO32 stuff. GO32 is smart enough to try VCPI or issue 
an error message at that point, however, instead of wedging the machine!

You must have DPMI 1.0 to mix 16 bit and 32 bit clients.