System V and Xenix compatibility
Peter Fischman
peterf at haddock.ima.isc.com
Fri Jul 6 04:38:09 AEST 1990
I recently came off a project that ported a DOS application,
Lotus 1-2-3 (you may have heard of it), to System V and Xenix.
We developed on 386/ix and used gcc and gmake. The executable
runs on 386/ix, SCO Unix SysV.3.2, SCO Xenix386 2.3.2, AT&T
Unix SysV.3.2, and AT&T Unix SysV.4. The only part of the code
that cares about the flavor of the OS is the video driver. The
SCO video interface is different from 386/ix and AT&T. That's
not much, in retrospect.
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