$OpenBSD$
--- config/config.guess.orig	Mon Apr 13 23:55:11 2009
+++ config/config.guess	Mon Apr 13 23:56:00 2009
@@ -216,6 +216,10 @@ case "${UNAME_MACHINE}:${UNAME_SYSTEM}:${UNAME_RELEASE
     *:MirBSD:*:*)
 	echo ${UNAME_MACHINE}-unknown-mirbsd${UNAME_RELEASE}
 	exit ;;
+    *:FabBSD:*:*)
+	UNAME_MACHINE_ARCH=`arch | sed 's/FabBSD.//'`
+	echo ${UNAME_MACHINE_ARCH}-unknown-fabbsd${UNAME_RELEASE}
+	exit ;;
     alpha:OSF1:*:*)
 	case $UNAME_RELEASE in
 	*4.0)