diff --git a/ChangeLog b/ChangeLog
index d74e8ae5c54..09d4df63c49 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,7 @@
+2017-03-18  Gerald Pfeifer  <gerald@pfeifer.com>
+
+	* config.guess: Import latest from upstream.
+
 2017-03-18  Gerald Pfeifer  <gerald@pfeifer.com>
 
 	* MAINTAINERS (Write After Approval): Remove entries that are
diff --git a/config.guess b/config.guess
index 2e9ad7fe818..69ed3e573bb 100755
--- a/config.guess
+++ b/config.guess
@@ -1,8 +1,8 @@
 #! /bin/sh
 # Attempt to guess a canonical system name.
-#   Copyright 1992-2016 Free Software Foundation, Inc.
+#   Copyright 1992-2017 Free Software Foundation, Inc.
 
-timestamp='2016-10-02'
+timestamp='2017-03-05'
 
 # 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
@@ -50,7 +50,7 @@ version="\
 GNU config.guess ($timestamp)
 
 Originally written by Per Bothner.
-Copyright 1992-2016 Free Software Foundation, Inc.
+Copyright 1992-2017 Free Software Foundation, Inc.
 
 This is free software; see the source for copying conditions.  There is NO
 warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE."
@@ -837,10 +837,11 @@ EOF
 	UNAME_PROCESSOR=`/usr/bin/uname -p`
 	case ${UNAME_PROCESSOR} in
 	    amd64)
-		echo x86_64-unknown-freebsd`echo ${UNAME_RELEASE}|sed -e 's/[-(].*//'` ;;
-	    *)
-		echo ${UNAME_PROCESSOR}-unknown-freebsd`echo ${UNAME_RELEASE}|sed -e 's/[-(].*//'` ;;
+		UNAME_PROCESSOR=x86_64 ;;
+	    i386)
+		UNAME_PROCESSOR=i586 ;;
 	esac
+	echo ${UNAME_PROCESSOR}-unknown-freebsd`echo ${UNAME_RELEASE}|sed -e 's/[-(].*//'`
 	exit ;;
     i*:CYGWIN*:*)
 	echo ${UNAME_MACHINE}-pc-cygwin
@@ -1343,6 +1344,9 @@ EOF
     NSR-?:NONSTOP_KERNEL:*:*)
 	echo nsr-tandem-nsk${UNAME_RELEASE}
 	exit ;;
+    NSX-?:NONSTOP_KERNEL:*:*)
+	echo nsx-tandem-nsk${UNAME_RELEASE}
+	exit ;;
     *:NonStop-UX:*:*)
 	echo mips-compaq-nonstopux
 	exit ;;