--- a/build-aux/config.guess
+++ b/build-aux/config.guess
@@ -3,7 +3,7 @@
 #   Copyright (C) 1992, 1993, 1994, 1995, 1996, 1997, 1998, 1999,
 #   2000, 2001, 2002, 2003, 2004, 2005 Free Software Foundation, Inc.
 
-timestamp='2006-01-30'
+timestamp='2006-02-23'
 
 # 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
@@ -780,6 +780,9 @@
     i*:MINGW*:*)
 	echo ${UNAME_MACHINE}-pc-mingw32
 	exit ;;
+    i*:MSYS_NT-*:*:*)
+	echo ${UNAME_MACHINE}-pc-mingw32
+	exit ;;
     i*:windows32*:*)
     	# uname -m includes "-pc" on this system.
     	echo ${UNAME_MACHINE}-mingw32
@@ -788,7 +791,10 @@
 	echo ${UNAME_MACHINE}-pc-pw32
 	exit ;;
     x86:Interix*:[345]*)
-	echo i586-pc-interix${UNAME_RELEASE}|sed -e 's/\..*//'
+	echo i586-pc-interix${UNAME_RELEASE}
+	exit ;;
+    EM64T:Interix*:[345]*)
+	echo x86_64-unknown-interix${UNAME_RELEASE}
 	exit ;;
     [345]86:Windows_95:* | [345]86:Windows_98:* | [345]86:Windows_NT:*)
 	echo i${UNAME_MACHINE}-pc-mks
@@ -983,7 +989,7 @@
 	LIBC=gnulibc1
 	# endif
 	#else
-	#if defined(__INTEL_COMPILER) || defined(__PGI)
+	#if defined(__INTEL_COMPILER) || defined(__PGI) || defined(__sun)
 	LIBC=gnu
 	#else
 	LIBC=gnuaout

--- a/build-aux/config.sub
+++ b/build-aux/config.sub
@@ -3,7 +3,7 @@
 #   Copyright (C) 1992, 1993, 1994, 1995, 1996, 1997, 1998, 1999,
 #   2000, 2001, 2002, 2003, 2004, 2005 Free Software Foundation, Inc.
 
-timestamp='2006-01-02'
+timestamp='2006-02-23'
 
 # This file is (in principle) common to ALL GNU software.
 # The presence of a machine in this file suggests that SOME GNU software
@@ -268,6 +268,7 @@
 	| mn10200 | mn10300 \
 	| mt \
 	| msp430 \
+	| nios | nios2 \
 	| ns16k | ns32k \
 	| or32 \
 	| pdp10 | pdp11 | pj | pjl \
@@ -350,6 +351,7 @@
 	| mmix-* \
 	| mt-* \
 	| msp430-* \
+	| nios-* | nios2-* \
 	| none-* | np1-* | ns16k-* | ns32k-* \
 	| orion-* \
 	| pdp10-* | pdp11-* | pj-* | pjl-* | pn-* | power-* \