-# UnixWare 2.0
-"unixware-2.0","cc:-O -DFILIO_H::(unknown)::-lsocket -lnsl:${x86_gcc_des} ${x86_gcc_opts}:::",
-"unixware-2.0-pentium","cc:-O -DFILIO_H -Kpentium -Kthread::(unknown)::-lsocket -lnsl:MD2_CHAR RC4_INDEX ${x86_gcc_des}::",
+# UnixWare 2.0x fails destest with -O
+"unixware-2.0","cc:-DFILIO_H::-Kthread::-lsocket -lnsl -lx:${x86_gcc_des} ${x86_gcc_opts}:::",
+"unixware-2.0-pentium","cc:-DFILIO_H -Kpentium:-Kthread::-lsocket -lnsl -lx:MD2_CHAR RC4_INDEX ${x86_gcc_des}::",
+
+# UnixWare 2.1
+"unixware-2.1","cc:-O -DFILIO_H::-Kthread::-lsocket -lnsl -lx:${x86_gcc_des} ${x86_gcc_opts}:::",
+"unixware-2.1-pentium","cc:-O -DFILIO_H -Kpentium::-Kthread::-lsocket -lnsl -lx:MD2_CHAR RC4_INDEX ${x86_gcc_des}::",
+"unixware-2.1-p6","cc:-O -DFILIO_H -Kp6::-Kthread::-lsocket -lnsl -lx:MD2_CHAR RC4_INDEX ${x86_gcc_des}::",