-# 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 ${x86_gcc_des}::",
+# QNX 4
+"qnx4", "cc:-DL_ENDIAN -DTERMIO::(unknown)::${x86_gcc_des} ${x86_gcc_opts}:",
+
+# Linux on ARM
+"linux-elf-arm","gcc:-DL_ENDIAN -DTERMIO -O3 -fomit-frame-pointer -Wall::-D_REENTRANT::BN_LLONG::::::::::dlfcn:linux-shared:-fPIC:.so.\$(SHLIB_MAJOR).\$(SHLIB_MINOR)",
+
+# UnixWare 2.0x fails destest with -O
+"unixware-2.0","cc:-DFILIO_H::-Kthread:-lsocket -lnsl -lx:${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}::",