I'm sure you can't redistribute "ksh" binaries without a proper
binary redistribution license from AT&T.
I had no trouble getting ksh to compile and work fine using medium model
(-M2m flag to cc).
--
Steve Dyer
dyer at harvard.HARVARD.EDU
{linus,wanginst,bbnccv,harvard,ima,ihnp4}!spdcc!dyer