is now 'SCOOS' instead of 'SCO_SV'. Also, we just use the cpp macro 'SCO' and deleted the macro 'SCO_SV'. In pr/src/md/unix/Makefile, we do not assemble the ultrasparc assembly file if we are compiling with gcc. git-svn-id: svn://10.0.0.236/trunk@917 18797224-902f-48f8-a5cc-f745e15eee43