diff --git a/tools/config.guess b/tools/config.guess
index c0e8357c8f3..1c1090c72ee 100755
--- a/tools/config.guess
+++ b/tools/config.guess
@@ -1,9 +1,9 @@
 #! /bin/sh
 # Attempt to guess a canonical system name.
-#   Copyright (C) 1992, 1993, 1994, 1995, 1996, 1997, 1998, 1999, 2000, 2001
-#   Free Software Foundation, Inc.
+#   Copyright (C) 1992, 1993, 1994, 1995, 1996, 1997, 1998, 1999,
+#   2000, 2001, 2002 Free Software Foundation, Inc.
 
-timestamp='2001-06-12'
+timestamp='2002-01-02'
 
 # 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
@@ -24,8 +24,9 @@ timestamp='2001-06-12'
 # configuration script generated by Autoconf, you may include it under
 # the same distribution terms that you use for the rest of that program.
 
-# Written by Per Bothner <bothner@cygnus.com>.
-# Please send patches to <config-patches@gnu.org>.
+# Originally written by Per Bothner <bothner@cygnus.com>.
+# Please send patches to <config-patches@gnu.org>.  Submit a context
+# diff and a properly formatted ChangeLog entry.
 #
 # This script attempts to guess a canonical system name similar to
 # config.sub.  If it succeeds, it prints the system name on stdout, and
@@ -95,25 +96,25 @@ trap 'rm -f $dummy.c $dummy.o $dummy.rel $dummy; exit 1' 1 2 15
 # Historically, `CC_FOR_BUILD' used to be named `HOST_CC'. We still
 # use `HOST_CC' if defined, but it is deprecated.
 
-case $CC_FOR_BUILD,$HOST_CC,$CC in
- ,,)    echo "int dummy(){}" > $dummy.c
+set_cc_for_build='case $CC_FOR_BUILD,$HOST_CC,$CC in
+ ,,)    echo "int dummy(){}" > $dummy.c ;
 	for c in cc gcc c89 ; do
-	  ($c $dummy.c -c -o $dummy.o) >/dev/null 2>&1
+	  ($c $dummy.c -c -o $dummy.o) >/dev/null 2>&1 ;
 	  if test $? = 0 ; then
-	     CC_FOR_BUILD="$c"; break
-	  fi
-	done
-	rm -f $dummy.c $dummy.o $dummy.rel
+	     CC_FOR_BUILD="$c"; break ;
+	  fi ;
+	done ;
+	rm -f $dummy.c $dummy.o $dummy.rel ;
 	if test x"$CC_FOR_BUILD" = x ; then
-	  CC_FOR_BUILD=no_compiler_found
+	  CC_FOR_BUILD=no_compiler_found ;
 	fi
 	;;
  ,,*)   CC_FOR_BUILD=$CC ;;
  ,*,*)  CC_FOR_BUILD=$HOST_CC ;;
-esac
+esac'
 
 # This is needed to find uname on a Pyramid OSx when run in the BSD universe.
-# (ghazi@noc.rutgers.edu 8/24/94.)
+# (ghazi@noc.rutgers.edu 1994-08-24)
 if (test -f /.attbin/uname) >/dev/null 2>&1 ; then
 	PATH=$PATH:/.attbin ; export PATH
 fi
@@ -127,29 +128,29 @@ UNAME_VERSION=`(uname -v) 2>/dev/null` || UNAME_VERSION=unknown
 
 case "${UNAME_MACHINE}:${UNAME_SYSTEM}:${UNAME_RELEASE}:${UNAME_VERSION}" in
     *:NetBSD:*:*)
-	# Netbsd (nbsd) targets should (where applicable) match one or
+	# NetBSD (nbsd) targets should (where applicable) match one or
 	# more of the tupples: *-*-netbsdelf*, *-*-netbsdaout*,
 	# *-*-netbsdecoff* and *-*-netbsd*.  For targets that recently
 	# switched to ELF, *-*-netbsd* would select the old
 	# object file format.  This provides both forward
 	# compatibility and a consistent mechanism for selecting the
 	# object file format.
-	# Determine the machine/vendor (is the vendor relevant).
-	case "${UNAME_MACHINE}" in
-	    amiga) machine=m68k-unknown ;;
-	    arm32) machine=arm-unknown ;;
-	    atari*) machine=m68k-atari ;;
-	    sun3*) machine=m68k-sun ;;
-	    mac68k) machine=m68k-apple ;;
-	    macppc) machine=powerpc-apple ;;
-	    hp3[0-9][05]) machine=m68k-hp ;;
-	    ibmrt|romp-ibm) machine=romp-ibm ;;
-	    *) machine=${UNAME_MACHINE}-unknown ;;
+	#
+	# Note: NetBSD doesn't particularly care about the vendor
+	# portion of the name.  We always set it to "unknown".
+	UNAME_MACHINE_ARCH=`(uname -p) 2>/dev/null` || \
+	    UNAME_MACHINE_ARCH=unknown
+	case "${UNAME_MACHINE_ARCH}" in
+	    arm*) machine=arm-unknown ;;
+	    sh3el) machine=shl-unknown ;;
+	    sh3eb) machine=sh-unknown ;;
+	    *) machine=${UNAME_MACHINE_ARCH}-unknown ;;
 	esac
 	# The Operating System including object format, if it has switched
 	# to ELF recently, or will in the future.
-	case "${UNAME_MACHINE}" in
-	    i386|sparc|amiga|arm*|hp300|mvme68k|vax|atari|luna68k|mac68k|news68k|next68k|pc532|sun3*|x68k)
+	case "${UNAME_MACHINE_ARCH}" in
+	    arm*|i386|m68k|ns32k|sh3*|sparc|vax)
+		eval $set_cc_for_build
 		if echo __ELF__ | $CC_FOR_BUILD -E - 2>/dev/null \
 			| grep __ELF__ >/dev/null
 		then
@@ -171,6 +172,45 @@ case "${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}'`
@@ -204,6 +244,7 @@ main:
 	jsr \$26,exit
 	.end main
 EOF
+	eval $set_cc_for_build
 	$CC_FOR_BUILD $dummy.s -o $dummy 2>/dev/null
 	if test "$?" = 0 ; then
 		case `./$dummy` in
@@ -225,6 +266,9 @@ EOF
 			2-307)
 				UNAME_MACHINE="alphaev67"
 				;;
+			2-1307)
+				UNAME_MACHINE="alphaev68"
+				;;
 		esac
 	fi
 	rm -f $dummy.s $dummy
@@ -242,29 +286,11 @@ EOF
     Amiga*:UNIX_System_V:4.0:*)
 	echo m68k-unknown-sysv4
 	exit 0;;
-    amiga:OpenBSD:*:*)
-	echo m68k-unknown-openbsd${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}
+    *:[Mm]orph[Oo][Ss]:*:*)
+	echo ${UNAME_MACHINE}-unknown-morphos
 	exit 0 ;;
     *:OS/390:*:*)
 	echo i370-ibm-openedition
@@ -328,9 +354,6 @@ EOF
     aushp:SunOS:*:*)
 	echo sparc-auspex-sunos${UNAME_RELEASE}
 	exit 0 ;;
-    atari*:OpenBSD:*:*)
-	echo m68k-unknown-openbsd${UNAME_RELEASE}
-	exit 0 ;;
     # The situation for MiNT is a little confusing.  The machine name
     # can be virtually everything (everything which is not
     # "atarist" or "atariste" at least should have a processor
@@ -357,18 +380,6 @@ EOF
     *:*MiNT:*:* | *:*mint:*:* | *:*TOS:*:*)
         echo m68k-unknown-mint${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${UNAME_RELEASE}
 	exit 0 ;;
@@ -385,6 +396,7 @@ EOF
 	echo clipper-intergraph-clix${UNAME_RELEASE}
 	exit 0 ;;
     mips:*:*:UMIPS | mips:*:*:RISCos)
+	eval $set_cc_for_build
 	sed 's/^	//' << EOF >$dummy.c
 #ifdef __cplusplus
 #include <stdio.h>  /* for printf() prototype */
@@ -475,6 +487,7 @@ EOF
 	exit 0 ;;
     *:AIX:2:3)
 	if grep bos325 /usr/include/stdio.h >/dev/null 2>&1; then
+		eval $set_cc_for_build
 		sed 's/^		//' << EOF >$dummy.c
 		#include <sys/systemcfg.h>
 
@@ -536,10 +549,8 @@ EOF
 	    9000/31? )            HP_ARCH=m68000 ;;
 	    9000/[34]?? )         HP_ARCH=m68k ;;
 	    9000/[678][0-9][0-9])
-              case "${HPUX_REV}" in
-                11.[0-9][0-9])
-                  if [ -x /usr/bin/getconf ]; then
-                    sc_cpu_version=`/usr/bin/getconf SC_CPU_VERSION 2>/dev/null`
+		if [ -x /usr/bin/getconf ]; then
+		    sc_cpu_version=`/usr/bin/getconf SC_CPU_VERSION 2>/dev/null`
                     sc_kernel_bits=`/usr/bin/getconf SC_KERNEL_BITS 2>/dev/null`
                     case "${sc_cpu_version}" in
                       523) HP_ARCH="hppa1.0" ;; # CPU_PA_RISC1_0
@@ -548,12 +559,13 @@ EOF
                         case "${sc_kernel_bits}" in
                           32) HP_ARCH="hppa2.0n" ;;
                           64) HP_ARCH="hppa2.0w" ;;
+			  '') HP_ARCH="hppa2.0" ;;   # HP-UX 10.20
                         esac ;;
                     esac
-                  fi ;;
-              esac
-              if [ "${HP_ARCH}" = "" ]; then
-              sed 's/^              //' << EOF >$dummy.c
+		fi
+		if [ "${HP_ARCH}" = "" ]; then
+		    eval $set_cc_for_build
+		    sed 's/^              //' << EOF >$dummy.c
 
               #define _HPUX_SOURCE
               #include <stdlib.h>
@@ -586,10 +598,10 @@ EOF
                   exit (0);
               }
 EOF
-	(CCOPTS= $CC_FOR_BUILD $dummy.c -o $dummy 2>/dev/null ) && HP_ARCH=`./$dummy`
-	if test -z "$HP_ARCH"; then HP_ARCH=hppa; fi
-	rm -f $dummy.c $dummy
-	fi ;;
+		    (CCOPTS= $CC_FOR_BUILD $dummy.c -o $dummy 2>/dev/null) && HP_ARCH=`./$dummy`
+		    if test -z "$HP_ARCH"; then HP_ARCH=hppa; fi
+		    rm -f $dummy.c $dummy
+		fi ;;
 	esac
 	echo ${HP_ARCH}-hp-hpux${HPUX_REV}
 	exit 0 ;;
@@ -598,6 +610,7 @@ EOF
 	echo ia64-hp-hpux${HPUX_REV}
 	exit 0 ;;
     3050*:HI-UX:*:*)
+	eval $set_cc_for_build
 	sed 's/^	//' << EOF >$dummy.c
 	#include <unistd.h>
 	int
@@ -633,7 +646,7 @@ EOF
     9000/8??:4.3bsd:*:*)
 	echo hppa1.0-hp-bsd
 	exit 0 ;;
-    *9??*:MPE/iX:*:*)
+    *9??*:MPE/iX:*:* | *3000*:MPE/iX:*:*)
 	echo hppa1.0-hp-mpeix
 	exit 0 ;;
     hp7??:OSF1:*:* | hp8?[79]:OSF1:*:* )
@@ -652,9 +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 ;;
@@ -677,12 +687,13 @@ EOF
 	echo xmp-cray-unicos
         exit 0 ;;
     CRAY*Y-MP:*:*:*)
-	echo ymp-cray-unicos${UNAME_RELEASE}
+	echo ymp-cray-unicos${UNAME_RELEASE} | sed -e 's/\.[^.]*$/.X/'
 	exit 0 ;;
     CRAY*[A-Z]90:*:*:*)
 	echo ${UNAME_MACHINE}-cray-unicos${UNAME_RELEASE} \
 	| sed -e 's/CRAY.*\([A-Z]90\)/\1/' \
-	      -e y/ABCDEFGHIJKLMNOPQRSTUVWXYZ/abcdefghijklmnopqrstuvwxyz/
+	      -e y/ABCDEFGHIJKLMNOPQRSTUVWXYZ/abcdefghijklmnopqrstuvwxyz/ \
+	      -e 's/\.[^.]*$/.X/'
 	exit 0 ;;
     CRAY*TS:*:*:*)
 	echo t90-cray-unicos${UNAME_RELEASE} | sed -e 's/\.[^.]*$/.X/'
@@ -705,9 +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 ;;
@@ -720,9 +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 ;;
@@ -732,6 +737,9 @@ EOF
     i*:PW*:*)
 	echo ${UNAME_MACHINE}-pc-pw32
 	exit 0 ;;
+    x86:Interix*:3*)
+	echo i386-pc-interix3
+	exit 0 ;;
     i*:Windows_NT*:* | Pentium*:Windows_NT*:*)
 	# How do we know it's Interix rather than the generic POSIX subsystem?
 	# It also conflicts with pre-2.0 versions of AT&T UWIN. Should we
@@ -763,97 +771,43 @@ EOF
 	echo ${UNAME_MACHINE}-unknown-linux-gnu
 	exit 0 ;;
     mips:Linux:*:*)
-	cat >$dummy.c <<EOF
-#ifdef __cplusplus
-#include <stdio.h>  /* for printf() prototype */
-int main (int argc, char *argv[]) {
-#else
-int main (argc, argv) int argc; char *argv[]; {
-#endif
-#ifdef __MIPSEB__
-  printf ("%s-unknown-linux-gnu\n", argv[1]);
-#endif
-#ifdef __MIPSEL__
-  printf ("%sel-unknown-linux-gnu\n", argv[1]);
-#endif
-  return 0;
-}
+	eval $set_cc_for_build
+	sed 's/^	//' << EOF >$dummy.c
+	#undef CPU
+	#undef mips
+	#undef mipsel
+	#if defined(__MIPSEL__) || defined(__MIPSEL) || defined(_MIPSEL) || defined(MIPSEL) 
+	CPU=mipsel 
+	#else
+	#if defined(__MIPSEB__) || defined(__MIPSEB) || defined(_MIPSEB) || defined(MIPSEB) 
+	CPU=mips
+	#else
+	CPU=
+	#endif
+	#endif 
 EOF
-	$CC_FOR_BUILD $dummy.c -o $dummy 2>/dev/null && ./$dummy "${UNAME_MACHINE}" && rm -f $dummy.c $dummy && exit 0
-	rm -f $dummy.c $dummy
+	eval `$CC_FOR_BUILD -E $dummy.c 2>/dev/null | grep ^CPU=`
+	rm -f $dummy.c
+	test x"${CPU}" != x && echo "${CPU}-pc-linux-gnu" && exit 0
 	;;
     ppc:Linux:*:*)
-	# Determine Lib Version
-	cat >$dummy.c <<EOF
-#include <features.h>
-#if defined(__GLIBC__)
-extern char __libc_version[];
-extern char __libc_release[];
-#endif
-main(argc, argv)
-     int argc;
-     char *argv[];
-{
-#if defined(__GLIBC__)
-  printf("%s %s\n", __libc_version, __libc_release);
-#else
-  printf("unknown\n");
-#endif
-  return 0;
-}
-EOF
-	LIBC=""
-	$CC_FOR_BUILD $dummy.c -o $dummy 2>/dev/null
-	if test "$?" = 0 ; then
-		./$dummy | grep 1\.99 > /dev/null
-		if test "$?" = 0 ; then LIBC="libc1" ; fi
-	fi
-	rm -f $dummy.c $dummy
-	echo powerpc-unknown-linux-gnu${LIBC}
+	echo powerpc-unknown-linux-gnu
+	exit 0 ;;
+    ppc64:Linux:*:*)
+	echo powerpc64-unknown-linux-gnu
 	exit 0 ;;
     alpha:Linux:*:*)
-	cat <<EOF >$dummy.s
-	  .data
-	  \$Lformat:
-		.byte 37,100,45,37,120,10,0	# "%d-%x\n"
-	   .text
-		.globl main
-		.align 4
-		.ent main
-	    main:
-		.frame \$30,16,\$26,0
-		ldgp \$29,0(\$27)
-		.prologue 1
-		.long 0x47e03d80 # implver \$0
-		lda \$2,-1
-		.long 0x47e20c21 # amask \$2,\$1
-		lda \$16,\$Lformat
-		mov \$0,\$17
-		not \$1,\$18
-		jsr \$26,printf
-		ldgp \$29,0(\$26)
-		mov 0,\$16
-		jsr \$26,exit
-		.end main
-EOF
-	LIBC=""
-	$CC_FOR_BUILD $dummy.s -o $dummy 2>/dev/null
-	if test "$?" = 0 ; then
-		case `./$dummy` in
-		0-0)	UNAME_MACHINE="alpha" ;;
-		1-0)	UNAME_MACHINE="alphaev5" ;;
-		1-1)    UNAME_MACHINE="alphaev56" ;;
-		1-101)	UNAME_MACHINE="alphapca56" ;;
-		2-303)	UNAME_MACHINE="alphaev6" ;;
-		2-307)	UNAME_MACHINE="alphaev67" ;;
-		esac
-		objdump --private-headers $dummy | \
-		  grep ld.so.1 > /dev/null
-		if test "$?" = 0 ; then
-			LIBC="libc1"
-		fi
-	fi
-	rm -f $dummy.s $dummy
+	case `sed -n '/^cpu model/s/^.*: \(.*\)/\1/p' < /proc/cpuinfo` in
+	  EV5)   UNAME_MACHINE=alphaev5 ;;
+	  EV56)  UNAME_MACHINE=alphaev56 ;;
+	  PCA56) UNAME_MACHINE=alphapca56 ;;
+	  PCA57) UNAME_MACHINE=alphapca56 ;;
+	  EV6)   UNAME_MACHINE=alphaev6 ;;
+	  EV67)  UNAME_MACHINE=alphaev67 ;;
+	  EV68*) UNAME_MACHINE=alphaev68 ;;
+        esac
+	objdump --private-headers /bin/sh | grep ld.so.1 >/dev/null
+	if test "$?" = 0 ; then LIBC="libc1" ; else LIBC="" ; fi
 	echo ${UNAME_MACHINE}-unknown-linux-gnu${LIBC}
 	exit 0 ;;
     parisc:Linux:*:* | hppa:Linux:*:*)
@@ -906,37 +860,32 @@ EOF
 		exit 0 ;;
 	esac
 	# Determine whether the default compiler is a.out or elf
-	cat >$dummy.c <<EOF
-#include <features.h>
-#ifdef __cplusplus
-#include <stdio.h>  /* for printf() prototype */
-	int main (int argc, char *argv[]) {
-#else
-	int main (argc, argv) int argc; char *argv[]; {
-#endif
-#ifdef __ELF__
-# ifdef __GLIBC__
-#  if __GLIBC__ >= 2
-    printf ("%s-pc-linux-gnu\n", argv[1]);
-#  else
-    printf ("%s-pc-linux-gnulibc1\n", argv[1]);
-#  endif
-# else
-   printf ("%s-pc-linux-gnulibc1\n", argv[1]);
-# endif
-#else
-  printf ("%s-pc-linux-gnuaout\n", argv[1]);
-#endif
-  return 0;
-}
+	eval $set_cc_for_build
+	sed 's/^	//' << EOF >$dummy.c
+	#include <features.h>
+	#ifdef __ELF__
+	# ifdef __GLIBC__
+	#  if __GLIBC__ >= 2
+	LIBC=gnu
+	#  else
+	LIBC=gnulibc1
+	#  endif
+	# else
+	LIBC=gnulibc1
+	# endif
+	#else
+	LIBC=gnuaout
+	#endif
 EOF
-	$CC_FOR_BUILD $dummy.c -o $dummy 2>/dev/null && ./$dummy "${UNAME_MACHINE}" && rm -f $dummy.c $dummy && exit 0
-	rm -f $dummy.c $dummy
+	eval `$CC_FOR_BUILD -E $dummy.c 2>/dev/null | grep ^LIBC=`
+	rm -f $dummy.c
+	test x"${LIBC}" != x && echo "${UNAME_MACHINE}-pc-linux-${LIBC}" && exit 0
 	test x"${TENTATIVE}" != x && echo "${TENTATIVE}" && exit 0
 	;;
-# ptx 4.0 does uname -s correctly, with DYNIX/ptx in there.  earlier versions
-# are messed up and put the nodename in both sysname and nodename.
     i*86:DYNIX/ptx:4*:*)
+	# ptx 4.0 does uname -s correctly, with DYNIX/ptx in there.
+	# earlier versions are messed up and put the nodename in both
+	# sysname and nodename.
 	echo i386-sequent-sysv4
 	exit 0 ;;
     i*86:UNIX_SV:4.2MP:2.*)
@@ -956,9 +905,9 @@ EOF
 	fi
 	exit 0 ;;
     i*86:*:5:[78]*)
-	case `/bin/uname -X | grep ^Machine` in
+	case `/bin/uname -X | grep "^Machine"` in
 	    *486*)	     UNAME_MACHINE=i486 ;;
-	    *Pentium*)	     UNAME_MACHINE=i586 ;;
+	    *Pentium)	     UNAME_MACHINE=i586 ;;
 	    *Pent*|*Celeron) UNAME_MACHINE=i686 ;;
 	esac
 	echo ${UNAME_MACHINE}-unknown-sysv${UNAME_RELEASE}${UNAME_SYSTEM}${UNAME_VERSION}
@@ -1009,7 +958,7 @@ EOF
 	exit 0 ;;
     M68*:*:R3V[567]*:*)
 	test -r /sysV68 && echo 'm68k-motorola-sysv' && exit 0 ;;
-    3[34]??:*:4.0:3.0 | 3[34]??A:*:4.0:3.0 | 3[34]??,*:*:4.0:3.0 | 4850:*:4.0:3.0)
+    3[34]??:*:4.0:3.0 | 3[34]??A:*:4.0:3.0 | 3[34]??,*:*:4.0:3.0 | 3[34]??/*:*:4.0:3.0 | 4850:*:4.0:3.0 | SKA40:*:4.0:3.0)
 	OS_REL=''
 	test -r /etc/.relid \
 	&& OS_REL=.`sed -n 's/[^ ]* [^ ]* \([0-9][0-9]\).*/\1/p' < /etc/.relid`
@@ -1055,8 +1004,8 @@ EOF
 		echo ns32k-sni-sysv
 	fi
 	exit 0 ;;
-    PENTIUM:CPunix:4.0*:*) # Unisys `ClearPath HMP IX 4000' SVR4/MP effort
-                           # says <Richard.M.Bartel@ccMail.Census.GOV>
+    PENTIUM:*:4.0*:*) # Unisys `ClearPath HMP IX 4000' SVR4/MP effort
+                      # says <Richard.M.Bartel@ccMail.Census.GOV>
         echo i586-unisys-sysv4
         exit 0 ;;
     *:UNIX_System_V:4*:FTX*)
@@ -1068,6 +1017,10 @@ EOF
 	# From seanf@swdc.stratus.com.
 	echo i860-stratus-sysv4
 	exit 0 ;;
+    *:VOS:*:*)
+	# From Paul.Green@stratus.com.
+	echo hppa1.1-stratus-vos
+	exit 0 ;;
     mc68*:A/UX:*:*)
 	echo m68k-apple-aux${UNAME_RELEASE}
 	exit 0 ;;
@@ -1114,7 +1067,7 @@ EOF
     *:QNX:*:4*)
 	echo i386-pc-qnx
 	exit 0 ;;
-    NSR-[KW]:NONSTOP_KERNEL:*:*)
+    NSR-[GKLNPTVW]:NONSTOP_KERNEL:*:*)
 	echo nsr-tandem-nsk${UNAME_RELEASE}
 	exit 0 ;;
     *:NonStop-UX:*:*)
@@ -1160,11 +1113,18 @@ EOF
     *:ITS:*:*)
 	echo pdp10-unknown-its
 	exit 0 ;;
+    i*86:XTS-300:*:STOP)
+	echo ${UNAME_MACHINE}-unknown-stop
+	exit 0 ;;
+    i*86:atheos:*:*)
+	echo ${UNAME_MACHINE}-unknown-atheos
+	exit 0 ;;
 esac
 
 #echo '(No uname command or uname output not recognized.)' 1>&2
 #echo "${UNAME_MACHINE}:${UNAME_SYSTEM}:${UNAME_RELEASE}:${UNAME_VERSION}" 1>&2
 
+eval $set_cc_for_build
 cat >$dummy.c <<EOF
 #ifdef _SEQUENT_
 # include <sys/types.h>
diff --git a/tools/config.sub b/tools/config.sub
index fdcc42bccef..16573348b81 100755
--- a/tools/config.sub
+++ b/tools/config.sub
@@ -1,9 +1,9 @@
 #! /bin/sh
 # Configuration validation subroutine script.
-#   Copyright (C) 1992, 1993, 1994, 1995, 1996, 1997, 1998, 1999, 2000, 2001
-#   Free Software Foundation, Inc.
+#   Copyright (C) 1992, 1993, 1994, 1995, 1996, 1997, 1998, 1999,
+#   2000, 2001, 2002 Free Software Foundation, Inc.
 
-timestamp='2001-06-08'
+timestamp='2002-01-02'
 
 # This file is (in principle) common to ALL GNU software.
 # The presence of a machine in this file suggests that SOME GNU software
@@ -29,7 +29,8 @@ timestamp='2001-06-08'
 # configuration script generated by Autoconf, you may include it under
 # the same distribution terms that you use for the rest of that program.
 
-# Please send patches to <config-patches@gnu.org>.
+# Please send patches to <config-patches@gnu.org>.  Submit a context
+# diff and a properly formatted ChangeLog entry.
 #
 # Configuration subroutine to validate and canonicalize a configuration type.
 # Supply the specified configuration type as an argument.
@@ -223,26 +224,36 @@ esac
 case $basic_machine in
 	# Recognize the basic CPU types without company name.
 	# Some are omitted here because they have special meanings below.
-	tahoe | i860 | ia64 | m32r | m68k | m68000 | m88k | ns32k | arc \
-	        | arm | arme[lb] | arm[bl]e | armv[2345] | armv[345][lb] | strongarm | xscale \
-		| pyramid | mn10200 | mn10300 | tron | a29k \
-		| 580 | i960 | h8300 \
-		| x86 | ppcbe | mipsbe | mipsle | shbe | shle \
-		| hppa | hppa1.0 | hppa1.1 | hppa2.0 | hppa2.0w | hppa2.0n \
-		| hppa64 \
-		| alpha | alphaev[4-8] | alphaev56 | alphapca5[67] \
-		| alphaev6[78] \
-		| we32k | ns16k | clipper | i370 | sh | sh[34] \
-		| powerpc | powerpcle \
-		| 1750a | dsp16xx | pdp10 | pdp11 \
-		| mips16 | mips64 | mipsel | mips64el \
-		| mips64orion | mips64orionel | mipstx39 | mipstx39el \
-		| mips64vr4300 | mips64vr4300el | mips64vr4100 | mips64vr4100el \
-		| mips64vr5000 | miprs64vr5000el | mcore | s390 | s390x \
-		| sparc | sparclet | sparclite | sparc64 | sparcv9 | sparcv9b \
-		| v850 | c4x \
-		| thumb | d10v | d30v | fr30 | avr | openrisc | tic80 \
-		| pj | pjl | h8500 | z8k)
+	1750a | 580 \
+	| a29k \
+	| alpha | alphaev[4-8] | alphaev56 | alphaev6[78] | alphapca5[67] \
+	| alpha64 | alpha64ev[4-8] | alpha64ev56 | alpha64ev6[78] | alpha64pca5[67] \
+	| arc | arm | arm[bl]e | arme[lb] | armv[2345] | armv[345][lb] | avr \
+	| c4x | clipper \
+	| d10v | d30v | dsp16xx \
+	| fr30 \
+	| h8300 | h8500 | hppa | hppa1.[01] | hppa2.0 | hppa2.0[nw] | hppa64 \
+	| i370 | i860 | i960 | ia64 \
+	| m32r | m68000 | m68k | m88k | mcore \
+	| mips16 | mips64 | mips64el | mips64orion | mips64orionel \
+	| mips64vr4100 | mips64vr4100el | mips64vr4300 \
+	| mips64vr4300el | mips64vr5000 | mips64vr5000el \
+	| mipsbe | mipseb | mipsel | mipsle | mipstx39 | mipstx39el \
+	| mipsisa32 \
+	| mn10200 | mn10300 \
+	| ns16k | ns32k \
+	| openrisc \
+	| pdp10 | pdp11 | pj | pjl \
+	| powerpc | powerpc64 | powerpc64le | powerpcle | ppcbe \
+	| pyramid \
+	| sh | sh[34] | sh[34]eb | shbe | shle \
+	| sparc | sparc64 | sparclet | sparclite | sparcv9 | sparcv9b \
+	| strongarm \
+	| tahoe | thumb | tic80 | tron \
+	| v850 | v850e \
+	| we32k \
+	| x86 | xscale | xstormy16 | xtensa \
+	| z8k)
 		basic_machine=$basic_machine-unknown
 		;;
 	m6811 | m68hc11 | m6812 | m68hc12)
@@ -265,31 +276,45 @@ case $basic_machine in
 		exit 1
 		;;
 	# Recognize the basic CPU types with company name.
-	# FIXME: clean up the formatting here.
-	vax-* | tahoe-* | i*86-* | i860-* | ia64-* | m32r-* | m68k-* | m68000-* \
-	      | m88k-* | sparc-* | ns32k-* | fx80-* | arc-* | c[123]* \
-	      | arm-*  | armbe-* | armle-* | armv*-* | strongarm-* | xscale-* \
-	      | mips-* | pyramid-* | tron-* | a29k-* | romp-* | rs6000-* \
-	      | power-* | none-* | 580-* | cray2-* | h8300-* | h8500-* | i960-* \
-	      | xmp-* | ymp-* \
-	      | x86-* | ppcbe-* | mipsbe-* | mipsle-* | shbe-* | shle-* \
-	      | hppa-* | hppa1.0-* | hppa1.1-* | hppa2.0-* | hppa2.0w-* \
-	      | hppa2.0n-* | hppa64-* \
-	      | alpha-* | alphaev[4-8]-* | alphaev56-* | alphapca5[67]-* \
-	      | alphaev6[78]-* \
-	      | we32k-* | cydra-* | ns16k-* | pn-* | np1-* | xps100-* \
-	      | clipper-* | orion-* \
-	      | sparclite-* | pdp10-* | pdp11-* | sh-* | sh[34]-* | sh[34]eb-* \
-	      | powerpc-* | powerpcle-* | sparc64-* | sparcv9-* | sparcv9b-* | sparc86x-* \
-	      | mips16-* | mips64-* | mipsel-* \
-	      | mips64el-* | mips64orion-* | mips64orionel-* \
-	      | mips64vr4100-* | mips64vr4100el-* | mips64vr4300-* | mips64vr4300el-* \
-	      | mipstx39-* | mipstx39el-* | mcore-* \
-	      | f30[01]-* | f700-* | s390-* | s390x-* | sv1-* | t3e-* \
-	      | [cjt]90-* \
-	      | m88110-* | m680[01234]0-* | m683?2-* | m68360-* | z8k-* | d10v-* \
-	      | thumb-* | v850-* | d30v-* | tic30-* | tic80-* | c30-* | fr30-* \
-	      | bs2000-* | tic54x-* | c54x-* | x86_64-* | pj-* | pjl-*)
+	580-* \
+	| a29k-* \
+	| alpha-* | alphaev[4-8]-* | alphaev56-* | alphaev6[78]-* \
+	| alpha64-* | alpha64ev[4-8]-* | alpha64ev56-* | alpha64ev6[78]-* \
+	| alphapca5[67]-* | alpha64pca5[67]-* | arc-* \
+	| arm-*  | armbe-* | armle-* | armv*-* \
+	| avr-* \
+	| bs2000-* \
+	| c[123]* | c30-* | [cjt]90-* | c54x-* \
+	| clipper-* | cray2-* | cydra-* \
+	| d10v-* | d30v-* \
+	| elxsi-* \
+	| f30[01]-* | f700-* | fr30-* | fx80-* \
+	| h8300-* | h8500-* \
+	| hppa-* | hppa1.[01]-* | hppa2.0-* | hppa2.0[nw]-* | hppa64-* \
+	| i*86-* | i860-* | i960-* | ia64-* \
+	| m32r-* \
+	| m68000-* | m680[01234]0-* | m68360-* | m683?2-* | m68k-* \
+	| m88110-* | m88k-* | mcore-* \
+	| mips-* | mips16-* | mips64-* | mips64el-* | mips64orion-* \
+	| mips64orionel-* | mips64vr4100-* | mips64vr4100el-* \
+	| mips64vr4300-* | mips64vr4300el-* | mipsbe-* | mipseb-* \
+	| mipsle-* | mipsel-* | mipstx39-* | mipstx39el-* \
+	| none-* | np1-* | ns16k-* | ns32k-* \
+	| orion-* \
+	| pdp10-* | pdp11-* | pj-* | pjl-* | pn-* | power-* \
+	| powerpc-* | powerpc64-* | powerpc64le-* | powerpcle-* | ppcbe-* \
+	| pyramid-* \
+	| romp-* | rs6000-* \
+	| sh-* | sh[34]-* | sh[34]eb-* | shbe-* | shle-* \
+	| sparc-* | sparc64-* | sparc86x-* | sparclite-* \
+	| sparcv9-* | sparcv9b-* | strongarm-* | sv1-* \
+	| t3e-* | tahoe-* | thumb-* | tic30-* | tic54x-* | tic80-* | tron-* \
+	| v850-* | v850e-* | vax-* \
+	| we32k-* \
+	| x86-* | x86_64-* | xmp-* | xps100-* | xscale-* | xstormy16-* \
+	| xtensa-* \
+	| ymp-* \
+	| z8k-*)
 		;;
 	# Recognize the various machine names and aliases which stand
 	# for a CPU type and a company and sometimes even an OS.
@@ -396,6 +421,14 @@ case $basic_machine in
 	decstation | decstation-3100 | pmax | pmax-* | pmin | dec3100 | decstatn)
 		basic_machine=mips-dec
 		;;
+	decsystem10* | dec10*)
+		basic_machine=pdp10-dec
+		os=-tops10
+		;;
+	decsystem20* | dec20*)
+		basic_machine=pdp10-dec
+		os=-tops20
+		;;
 	delta | 3300 | motorola-3300 | motorola-delta \
 	      | 3300-motorola | delta-motorola)
 		basic_machine=m68k-motorola
@@ -598,6 +631,10 @@ case $basic_machine in
 		basic_machine=m68k-rom68k
 		os=-coff
 		;;
+	morphos)
+		basic_machine=powerpc-unknown
+		os=-morphos
+		;;
 	msdos)
 		basic_machine=i386-pc
 		os=-msdos
@@ -702,7 +739,7 @@ case $basic_machine in
         pc532 | pc532-*)
 		basic_machine=ns32k-pc532
 		;;
-	pentium | p5 | k5 | k6 | nexgen)
+	pentium | p5 | k5 | k6 | nexgen | viac3)
 		basic_machine=i586-pc
 		;;
 	pentiumpro | p6 | 6x86 | athlon)
@@ -711,7 +748,7 @@ case $basic_machine in
 	pentiumii | pentium2)
 		basic_machine=i686-pc
 		;;
-	pentium-* | p5-* | k5-* | k6-* | nexgen-*)
+	pentium-* | p5-* | k5-* | k6-* | nexgen-* | viac3-*)
 		basic_machine=i586-`echo $basic_machine | sed 's/^[^-]*-//'`
 		;;
 	pentiumpro-* | p6-* | 6x86-* | athlon-*)
@@ -735,6 +772,16 @@ case $basic_machine in
 	ppcle-* | powerpclittle-*)
 		basic_machine=powerpcle-`echo $basic_machine | sed 's/^[^-]*-//'`
 		;;
+	ppc64)	basic_machine=powerpc64-unknown
+	        ;;
+	ppc64-*) basic_machine=powerpc64-`echo $basic_machine | sed 's/^[^-]*-//'`
+		;;
+	ppc64le | powerpc64little | ppc64-le | powerpc64-little)
+		basic_machine=powerpc64le-unknown
+	        ;;
+	ppc64le-* | powerpc64little-*)
+		basic_machine=powerpc64le-`echo $basic_machine | sed 's/^[^-]*-//'`
+		;;
 	ps2)
 		basic_machine=i386-ibm
 		;;
@@ -752,6 +799,12 @@ case $basic_machine in
 	rtpc | rtpc-*)
 		basic_machine=romp-ibm
 		;;
+	s390 | s390-*)
+		basic_machine=s390-ibm
+		;;
+	s390x | s390x-*)
+		basic_machine=s390x-ibm
+		;;
 	sa29200)
 		basic_machine=a29k-amd
 		os=-udi
@@ -763,7 +816,7 @@ case $basic_machine in
 		basic_machine=sh-hitachi
 		os=-hms
 		;;
-	sparclite-wrs)
+	sparclite-wrs | simso-wrs)
 		basic_machine=sparclite-wrs
 		os=-vxworks
 		;;
@@ -843,6 +896,10 @@ case $basic_machine in
 	tx39el)
 		basic_machine=mipstx39el-unknown
 		;;
+	toad1)
+		basic_machine=pdp10-xkl
+		os=-tops20
+		;;
 	tower | tower-32)
 		basic_machine=m68k-ncr
 		;;
@@ -946,7 +1003,7 @@ case $basic_machine in
 	we32k)
 		basic_machine=we32k-att
 		;;
-	sh3 | sh4)
+	sh3 | sh4 | sh3eb | sh4eb)
 		basic_machine=sh-unknown
 		;;
 	sparc | sparcv9 | sparcv9b)
@@ -1035,7 +1092,8 @@ case $os in
 	      | -mingw32* | -linux-gnu* | -uxpv* | -beos* | -mpeix* | -udk* \
 	      | -interix* | -uwin* | -rhapsody* | -darwin* | -opened* \
 	      | -openstep* | -oskit* | -conix* | -pw32* | -nonstopux* \
-	      | -storm-chaos* | -tops10* | -tenex* | -tops20* | -its* | -os2*)
+	      | -storm-chaos* | -tops10* | -tenex* | -tops20* | -its* \
+	      | -os2* | -vos* | -palmos* | -uclinux* | -nucleus* | -morphos*)
 	# Remember, each alternative MUST END IN *, to match a version number.
 		;;
 	-qnx*)
@@ -1087,6 +1145,9 @@ case $os in
 	-acis*)
 		os=-aos
 		;;
+	-atheos*)
+		os=-atheos
+		;;
 	-386bsd)
 		os=-bsd
 		;;
@@ -1167,6 +1228,7 @@ case $basic_machine in
 	arm*-semi)
 		os=-aout
 		;;
+	# This must come before the *-dec entry.
 	pdp10-*)
 		os=-tops20
 		;;
@@ -1359,6 +1421,9 @@ case $basic_machine in
 			-*mint | -mint[0-9]* | -*MiNT | -MiNT[0-9]*)
 				vendor=atari
 				;;
+			-vos*)
+				vendor=stratus
+				;;
 		esac
 		basic_machine=`echo $basic_machine | sed "s/unknown/$vendor/"`
 		;;