diff --git a/ChangeLog b/ChangeLog
index 229f448..75da6f1 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,8 @@
+2001-09-13  Ben Elliston  <bje@redhat.com>
+
+	* config.guess (*-*-openbsd): Reorganise and clean up.
+	Contributed by brad@openbsd.org.
+
 2001-09-12  Ben Elliston  <bje@redhat.com>
 
 	* config.guess (sparc*-*-netbsd): Properly match 32-bit NetBSD/sparc64
diff --git a/config.guess b/config.guess
index 6441c08..cec14aa 100755
--- a/config.guess
+++ b/config.guess
@@ -3,7 +3,7 @@
 #   Copyright (C) 1992, 1993, 1994, 1995, 1996, 1997, 1998, 1999, 2000, 2001
 #   Free Software Foundation, Inc.
 
-timestamp='2001-09-12'
+timestamp='2001-09-13'
 
 # This file is free software; you can redistribute it and/or modify it
 # under the terms of the GNU General Public License as published by
@@ -173,6 +173,45 @@ case "${UNAME_MACHINE}:${UNAME_SYSTEM}:${UNAME_RELEASE}:${UNAME_VERSION}" in
 	# CPU_TYPE-MANUFACTURER-OPERATING_SYSTEM is used.
 	echo "${machine}-${os}${release}"
 	exit 0 ;;
+    amiga:OpenBSD:*:*)
+	echo m68k-unknown-openbsd${UNAME_RELEASE}
+	exit 0 ;;
+    arc:OpenBSD:*:*)
+	echo mipsel-unknown-openbsd${UNAME_RELEASE}
+	exit 0 ;;
+    hp300:OpenBSD:*:*)
+	echo m68k-unknown-openbsd${UNAME_RELEASE}
+	exit 0 ;;
+    mac68k:OpenBSD:*:*)
+	echo m68k-unknown-openbsd${UNAME_RELEASE}
+	exit 0 ;;
+    macppc:OpenBSD:*:*)
+	echo powerpc-unknown-openbsd${UNAME_RELEASE}
+	exit 0 ;;
+    mvme68k:OpenBSD:*:*)
+	echo m68k-unknown-openbsd${UNAME_RELEASE}
+	exit 0 ;;
+    mvme88k:OpenBSD:*:*)
+	echo m88k-unknown-openbsd${UNAME_RELEASE}
+	exit 0 ;;
+    mvmeppc:OpenBSD:*:*)
+	echo powerpc-unknown-openbsd${UNAME_RELEASE}
+	exit 0 ;;
+    pmax:OpenBSD:*:*)
+	echo mipsel-unknown-openbsd${UNAME_RELEASE}
+	exit 0 ;;
+    sgi:OpenBSD:*:*)
+	echo mipseb-unknown-openbsd${UNAME_RELEASE}
+	exit 0 ;;
+    sun3:OpenBSD:*:*)
+	echo m68k-unknown-openbsd${UNAME_RELEASE}
+	exit 0 ;;
+    wgrisc:OpenBSD:*:*)
+	echo mipsel-unknown-openbsd${UNAME_RELEASE}
+	exit 0 ;;
+    *:OpenBSD:*:*)
+	echo ${UNAME_MACHINE}-unknown-openbsd${UNAME_RELEASE}
+	exit 0 ;;
     alpha:OSF1:*:*)
 	if test $UNAME_RELEASE = "V4.0"; then
 		UNAME_RELEASE=`/usr/sbin/sizer -v | awk '{print $3}'`
@@ -248,30 +287,9 @@ EOF
     Amiga*:UNIX_System_V:4.0:*)
 	echo m68k-unknown-sysv4
 	exit 0;;
-    amiga:OpenBSD:*:*)
-	echo m68k-unknown-openbsd${UNAME_RELEASE}
-	exit 0 ;;
     *:[Aa]miga[Oo][Ss]:*:*)
 	echo ${UNAME_MACHINE}-unknown-amigaos
 	exit 0 ;;
-    arc64:OpenBSD:*:*)
-	echo mips64el-unknown-openbsd${UNAME_RELEASE}
-	exit 0 ;;
-    arc:OpenBSD:*:*)
-	echo mipsel-unknown-openbsd${UNAME_RELEASE}
-	exit 0 ;;
-    hkmips:OpenBSD:*:*)
-	echo mips-unknown-openbsd${UNAME_RELEASE}
-	exit 0 ;;
-    pmax:OpenBSD:*:*)
-	echo mipsel-unknown-openbsd${UNAME_RELEASE}
-	exit 0 ;;
-    sgi:OpenBSD:*:*)
-	echo mips-unknown-openbsd${UNAME_RELEASE}
-	exit 0 ;;
-    wgrisc:OpenBSD:*:*)
-	echo mipsel-unknown-openbsd${UNAME_RELEASE}
-	exit 0 ;;
     *:OS/390:*:*)
 	echo i370-ibm-openedition
 	exit 0 ;;
@@ -334,9 +352,6 @@ EOF
     aushp:SunOS:*:*)
 	echo sparc-auspex-sunos${UNAME_RELEASE}
 	exit 0 ;;
-    atari*:OpenBSD:*:*)
-	echo m68k-unknown-openbsd${UNAME_RELEASE}
-	exit 0 ;;
     # The situation for MiNT is a little confusing.  The machine name
     # can be virtually everything (everything which is not
     # "atarist" or "atariste" at least should have a processor
@@ -363,18 +378,6 @@ EOF
     *:*MiNT:*:* | *:*mint:*:* | *:*TOS:*:*)
         echo m68k-unknown-mint${UNAME_RELEASE}
         exit 0 ;;
-    sun3*:OpenBSD:*:*)
-	echo m68k-unknown-openbsd${UNAME_RELEASE}
-	exit 0 ;;
-    mac68k:OpenBSD:*:*)
-	echo m68k-unknown-openbsd${UNAME_RELEASE}
-	exit 0 ;;
-    mvme68k:OpenBSD:*:*)
-	echo m68k-unknown-openbsd${UNAME_RELEASE}
-	exit 0 ;;
-    mvme88k:OpenBSD:*:*)
-	echo m88k-unknown-openbsd${UNAME_RELEASE}
-	exit 0 ;;
     powerpc:machten:*:*)
 	echo powerpc-apple-machten${UNAME_RELEASE}
 	exit 0 ;;
@@ -662,9 +665,6 @@ EOF
     parisc*:Lites*:*:*)
 	echo hppa1.1-hp-lites
 	exit 0 ;;
-    hppa*:OpenBSD:*:*)
-	echo hppa-unknown-openbsd
-	exit 0 ;;
     C1*:ConvexOS:*:* | convex:ConvexOS:C1*:*)
 	echo c1-convex-bsd
         exit 0 ;;
@@ -716,9 +716,6 @@ EOF
         FUJITSU_REL=`echo ${UNAME_RELEASE} | sed -e 's/ /_/'`
         echo "${FUJITSU_PROC}-fujitsu-${FUJITSU_SYS}${FUJITSU_REL}"
         exit 0 ;;
-    hp300:OpenBSD:*:*)
-	echo m68k-unknown-openbsd${UNAME_RELEASE}
-	exit 0 ;;
     i*86:BSD/386:*:* | i*86:BSD/OS:*:* | *:Ascend\ Embedded/OS:*:*)
 	echo ${UNAME_MACHINE}-pc-bsdi${UNAME_RELEASE}
 	exit 0 ;;
@@ -731,9 +728,6 @@ EOF
     *:FreeBSD:*:*)
 	echo ${UNAME_MACHINE}-unknown-freebsd`echo ${UNAME_RELEASE}|sed -e 's/[-(].*//'`
 	exit 0 ;;
-    *:OpenBSD:*:*)
-	echo ${UNAME_MACHINE}-unknown-openbsd`echo ${UNAME_RELEASE}|sed -e 's/[-_].*/\./'`
-	exit 0 ;;
     i*:CYGWIN*:*)
 	echo ${UNAME_MACHINE}-pc-cygwin
 	exit 0 ;;