* New version 2.25.1

1 files changed, 677 insertions, 942 deletions

diff --git a/config.guess b/config.guess
index e81d3ae7..1bf683d0 100755
--- a/config.guess
+++ b/config.guess
@@ -1,10 +1,8 @@
 #! /bin/sh
 # Attempt to guess a canonical system name.
-#   Copyright 1992-2021 Free Software Foundation, Inc.
+#   Copyright 1992-2017 Free Software Foundation, Inc.
 
-# shellcheck disable=SC2006,SC2268 # see below for rationale
-
-timestamp='2021-06-03'
+timestamp='2017-05-27'
 
 # 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
@@ -17,7 +15,7 @@ timestamp='2021-06-03'
 # General Public License for more details.
 #
 # You should have received a copy of the GNU General Public License
-# along with this program; if not, see <https://www.gnu.org/licenses/>.
+# along with this program; if not, see <http://www.gnu.org/licenses/>.
 #
 # As a special exception to the GNU General Public License, if you
 # distribute this file as part of a program that contains a
@@ -29,19 +27,11 @@ timestamp='2021-06-03'
 # Originally written by Per Bothner; maintained since 2000 by Ben Elliston.
 #
 # You can get the latest version of this script from:
-# https://git.savannah.gnu.org/cgit/config.git/plain/config.guess
+# http://git.savannah.gnu.org/gitweb/?p=config.git;a=blob_plain;f=config.guess
 #
 # Please send patches to <config-patches@gnu.org>.
 
 
-# The "shellcheck disable" line above the timestamp inhibits complaints
-# about features and limitations of the classic Bourne shell that were
-# superseded or lifted in POSIX.  However, this script identifies a wide
-# variety of pre-POSIX systems that do not have POSIX shells at all, and
-# even some reasonably current systems (Solaris 10 as case-in-point) still
-# have a pre-POSIX /bin/sh.
-
-
 me=`echo "$0" | sed -e 's,.*/,,'`
 
 usage="\
@@ -49,7 +39,7 @@ Usage: $0 [OPTION]
 
 Output the configuration name of the system \`$me' is run on.
 
-Options:
+Operation modes:
   -h, --help         print this help, then exit
   -t, --time-stamp   print date of last modification, then exit
   -v, --version      print version number, then exit
@@ -60,7 +50,7 @@ version="\
 GNU config.guess ($timestamp)
 
 Originally written by Per Bothner.
-Copyright 1992-2021 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."
@@ -94,8 +84,7 @@ if test $# != 0; then
   exit 1
 fi
 
-# Just in case it came from the environment.
-GUESS=
+trap 'exit 1' 1 2 15
 
 # CC_FOR_BUILD -- compiler used by this script. Note that the use of a
 # compiler to aid in system detection is discouraged as it requires
@@ -107,90 +96,76 @@ GUESS=
 
 # Portable tmp directory creation inspired by the Autoconf team.
 
-tmp=
-# shellcheck disable=SC2172
-trap 'test -z "$tmp" || rm -fr "$tmp"' 0 1 2 13 15
-
-set_cc_for_build() {
-    # prevent multiple calls if $tmp is already set
-    test "$tmp" && return 0
-    : "${TMPDIR=/tmp}"
-    # shellcheck disable=SC2039,SC3028
-    { tmp=`(umask 077 && mktemp -d "$TMPDIR/cgXXXXXX") 2>/dev/null` && test -n "$tmp" && test -d "$tmp" ; } ||
-	{ test -n "$RANDOM" && tmp=$TMPDIR/cg$$-$RANDOM && (umask 077 && mkdir "$tmp" 2>/dev/null) ; } ||
-	{ tmp=$TMPDIR/cg-$$ && (umask 077 && mkdir "$tmp" 2>/dev/null) && echo "Warning: creating insecure temp directory" >&2 ; } ||
-	{ echo "$me: cannot create a temporary directory in $TMPDIR" >&2 ; exit 1 ; }
-    dummy=$tmp/dummy
-    case ${CC_FOR_BUILD-},${HOST_CC-},${CC-} in
-	,,)    echo "int x;" > "$dummy.c"
-	       for driver in cc gcc c89 c99 ; do
-		   if ($driver -c -o "$dummy.o" "$dummy.c") >/dev/null 2>&1 ; then
-		       CC_FOR_BUILD=$driver
-		       break
-		   fi
-	       done
-	       if test x"$CC_FOR_BUILD" = x ; then
-		   CC_FOR_BUILD=no_compiler_found
-	       fi
-	       ;;
-	,,*)   CC_FOR_BUILD=$CC ;;
-	,*,*)  CC_FOR_BUILD=$HOST_CC ;;
-    esac
-}
+set_cc_for_build='
+trap "exitcode=\$?; (rm -f \$tmpfiles 2>/dev/null; rmdir \$tmp 2>/dev/null) && exit \$exitcode" 0 ;
+trap "rm -f \$tmpfiles 2>/dev/null; rmdir \$tmp 2>/dev/null; exit 1" 1 2 13 15 ;
+: ${TMPDIR=/tmp} ;
+ { tmp=`(umask 077 && mktemp -d "$TMPDIR/cgXXXXXX") 2>/dev/null` && test -n "$tmp" && test -d "$tmp" ; } ||
+ { test -n "$RANDOM" && tmp=$TMPDIR/cg$$-$RANDOM && (umask 077 && mkdir $tmp) ; } ||
+ { tmp=$TMPDIR/cg-$$ && (umask 077 && mkdir $tmp) && echo "Warning: creating insecure temp directory" >&2 ; } ||
+ { echo "$me: cannot create a temporary directory in $TMPDIR" >&2 ; exit 1 ; } ;
+dummy=$tmp/dummy ;
+tmpfiles="$dummy.c $dummy.o $dummy.rel $dummy" ;
+case $CC_FOR_BUILD,$HOST_CC,$CC in
+ ,,)    echo "int x;" > $dummy.c ;
+	for c in cc gcc c89 c99 ; do
+	  if ($c -c -o $dummy.o $dummy.c) >/dev/null 2>&1 ; then
+	     CC_FOR_BUILD="$c"; break ;
+	  fi ;
+	done ;
+	if test x"$CC_FOR_BUILD" = x ; then
+	  CC_FOR_BUILD=no_compiler_found ;
+	fi
+	;;
+ ,,*)   CC_FOR_BUILD=$CC ;;
+ ,*,*)  CC_FOR_BUILD=$HOST_CC ;;
+esac ; set_cc_for_build= ;'
 
 # This is needed to find uname on a Pyramid OSx when run in the BSD universe.
 # (ghazi@noc.rutgers.edu 1994-08-24)
-if test -f /.attbin/uname ; then
+if (test -f /.attbin/uname) >/dev/null 2>&1 ; then
 	PATH=$PATH:/.attbin ; export PATH
 fi
 
 UNAME_MACHINE=`(uname -m) 2>/dev/null` || UNAME_MACHINE=unknown
 UNAME_RELEASE=`(uname -r) 2>/dev/null` || UNAME_RELEASE=unknown
-UNAME_SYSTEM=`(uname -s) 2>/dev/null` || UNAME_SYSTEM=unknown
+UNAME_SYSTEM=`(uname -s) 2>/dev/null`  || UNAME_SYSTEM=unknown
 UNAME_VERSION=`(uname -v) 2>/dev/null` || UNAME_VERSION=unknown
 
-case $UNAME_SYSTEM in
+case "${UNAME_SYSTEM}" in
 Linux|GNU|GNU/*)
-	LIBC=unknown
+	# If the system lacks a compiler, then just pick glibc.
+	# We could probably try harder.
+	LIBC=gnu
 
-	set_cc_for_build
-	cat <<-EOF > "$dummy.c"
+	eval $set_cc_for_build
+	cat <<-EOF > $dummy.c
 	#include <features.h>
 	#if defined(__UCLIBC__)
 	LIBC=uclibc
 	#elif defined(__dietlibc__)
 	LIBC=dietlibc
-	#elif defined(__GLIBC__)
-	LIBC=gnu
 	#else
-	#include <stdarg.h>
-	/* First heuristic to detect musl libc.  */
-	#ifdef __DEFINED_va_list
-	LIBC=musl
-	#endif
+	LIBC=gnu
 	#endif
 	EOF
-	cc_set_libc=`$CC_FOR_BUILD -E "$dummy.c" 2>/dev/null | grep '^LIBC' | sed 's, ,,g'`
-	eval "$cc_set_libc"
-
-	# Second heuristic to detect musl libc.
-	if [ "$LIBC" = unknown ] &&
-	   command -v ldd >/dev/null &&
-	   ldd --version 2>&1 | grep -q ^musl; then
-		LIBC=musl
-	fi
-
-	# If the system lacks a compiler, then just pick glibc.
-	# We could probably try harder.
-	if [ "$LIBC" = unknown ]; then
-		LIBC=gnu
-	fi
+	eval `$CC_FOR_BUILD -E $dummy.c 2>/dev/null | grep '^LIBC' | sed 's, ,,g'`
 	;;
 esac
 
+case "${UNAME_MACHINE}" in
+  i?86)
+     test -z "$VENDOR" && VENDOR=pc
+     ;;
+  *)
+     test -z "$VENDOR" && VENDOR=unknown
+     ;;
+esac
+test -f /etc/SuSE-release -o -f /.buildenv && VENDOR=suse
+
 # Note: order is significant - the case branches are not exclusive.
 
-case $UNAME_MACHINE:$UNAME_SYSTEM:$UNAME_RELEASE:$UNAME_VERSION in
+case "${UNAME_MACHINE}:${UNAME_SYSTEM}:${UNAME_RELEASE}:${UNAME_VERSION}" in
     *:NetBSD:*:*)
 	# NetBSD (nbsd) targets should (where applicable) match one or
 	# more of the tuples: *-*-netbsdelf*, *-*-netbsdaout*,
@@ -202,32 +177,32 @@ case $UNAME_MACHINE:$UNAME_SYSTEM:$UNAME_RELEASE:$UNAME_VERSION in
 	#
 	# Note: NetBSD doesn't particularly care about the vendor
 	# portion of the name.  We always set it to "unknown".
+	sysctl="sysctl -n hw.machine_arch"
 	UNAME_MACHINE_ARCH=`(uname -p 2>/dev/null || \
-	    /sbin/sysctl -n hw.machine_arch 2>/dev/null || \
-	    /usr/sbin/sysctl -n hw.machine_arch 2>/dev/null || \
+	    /sbin/$sysctl 2>/dev/null || \
+	    /usr/sbin/$sysctl 2>/dev/null || \
 	    echo unknown)`
-	case $UNAME_MACHINE_ARCH in
-	    aarch64eb) machine=aarch64_be-unknown ;;
+	case "${UNAME_MACHINE_ARCH}" in
 	    armeb) machine=armeb-unknown ;;
 	    arm*) machine=arm-unknown ;;
 	    sh3el) machine=shl-unknown ;;
 	    sh3eb) machine=sh-unknown ;;
 	    sh5el) machine=sh5le-unknown ;;
 	    earmv*)
-		arch=`echo "$UNAME_MACHINE_ARCH" | sed -e 's,^e\(armv[0-9]\).*$,\1,'`
-		endian=`echo "$UNAME_MACHINE_ARCH" | sed -ne 's,^.*\(eb\)$,\1,p'`
-		machine=${arch}${endian}-unknown
+		arch=`echo ${UNAME_MACHINE_ARCH} | sed -e 's,^e\(armv[0-9]\).*$,\1,'`
+		endian=`echo ${UNAME_MACHINE_ARCH} | sed -ne 's,^.*\(eb\)$,\1,p'`
+		machine=${arch}${endian}-${VENDOR}-unknown
 		;;
-	    *) machine=$UNAME_MACHINE_ARCH-unknown ;;
+	    *) machine=${UNAME_MACHINE_ARCH}-${VENDOR}-unknown ;;
 	esac
 	# The Operating System including object format, if it has switched
 	# to ELF recently (or will in the future) and ABI.
-	case $UNAME_MACHINE_ARCH in
+	case "${UNAME_MACHINE_ARCH}" in
 	    earm*)
 		os=netbsdelf
 		;;
 	    arm*|i386|m68k|ns32k|sh3*|sparc|vax)
-		set_cc_for_build
+		eval $set_cc_for_build
 		if echo __ELF__ | $CC_FOR_BUILD -E - 2>/dev/null \
 			| grep -q __ELF__
 		then
@@ -243,10 +218,10 @@ case $UNAME_MACHINE:$UNAME_SYSTEM:$UNAME_RELEASE:$UNAME_VERSION in
 		;;
 	esac
 	# Determine ABI tags.
-	case $UNAME_MACHINE_ARCH in
+	case "${UNAME_MACHINE_ARCH}" in
 	    earm*)
 		expr='s/^earmv[0-9]/-eabi/;s/eb$//'
-		abi=`echo "$UNAME_MACHINE_ARCH" | sed -e "$expr"`
+		abi=`echo ${UNAME_MACHINE_ARCH} | sed -e "$expr"`
 		;;
 	esac
 	# The OS release
@@ -254,68 +229,47 @@ case $UNAME_MACHINE:$UNAME_SYSTEM:$UNAME_RELEASE:$UNAME_VERSION in
 	# thus, need a distinct triplet. However, they do not need
 	# kernel version information, so it can be replaced with a
 	# suitable tag, in the style of linux-gnu.
-	case $UNAME_VERSION in
+	case "${UNAME_VERSION}" in
 	    Debian*)
 		release='-gnu'
 		;;
 	    *)
-		release=`echo "$UNAME_RELEASE" | sed -e 's/[-_].*//' | cut -d. -f1,2`
+		release=`echo ${UNAME_RELEASE} | sed -e 's/[-_].*//' | cut -d. -f1,2`
 		;;
 	esac
 	# Since CPU_TYPE-MANUFACTURER-KERNEL-OPERATING_SYSTEM:
 	# contains redundant information, the shorter form:
 	# CPU_TYPE-MANUFACTURER-OPERATING_SYSTEM is used.
-	GUESS=$machine-${os}${release}${abi-}
-	;;
+	echo "${machine}-${os}${release}${abi}"
+	exit ;;
     *:Bitrig:*:*)
 	UNAME_MACHINE_ARCH=`arch | sed 's/Bitrig.//'`
-	GUESS=$UNAME_MACHINE_ARCH-unknown-bitrig$UNAME_RELEASE
-	;;
+	echo ${UNAME_MACHINE_ARCH}-${VENDOR}-bitrig${UNAME_RELEASE}
+	exit ;;
     *:OpenBSD:*:*)
 	UNAME_MACHINE_ARCH=`arch | sed 's/OpenBSD.//'`
-	GUESS=$UNAME_MACHINE_ARCH-unknown-openbsd$UNAME_RELEASE
-	;;
-    *:SecBSD:*:*)
-	UNAME_MACHINE_ARCH=`arch | sed 's/SecBSD.//'`
-	GUESS=$UNAME_MACHINE_ARCH-unknown-secbsd$UNAME_RELEASE
-	;;
+	echo ${UNAME_MACHINE_ARCH}-${VENDOR}-openbsd${UNAME_RELEASE}
+	exit ;;
     *:LibertyBSD:*:*)
 	UNAME_MACHINE_ARCH=`arch | sed 's/^.*BSD\.//'`
-	GUESS=$UNAME_MACHINE_ARCH-unknown-libertybsd$UNAME_RELEASE
-	;;
-    *:MidnightBSD:*:*)
-	GUESS=$UNAME_MACHINE-unknown-midnightbsd$UNAME_RELEASE
-	;;
+	echo ${UNAME_MACHINE_ARCH}-${VENDOR}-libertybsd${UNAME_RELEASE}
+	exit ;;
     *:ekkoBSD:*:*)
-	GUESS=$UNAME_MACHINE-unknown-ekkobsd$UNAME_RELEASE
-	;;
+	echo ${UNAME_MACHINE}-${VENDOR}-ekkobsd${UNAME_RELEASE}
+	exit ;;
     *:SolidBSD:*:*)
-	GUESS=$UNAME_MACHINE-unknown-solidbsd$UNAME_RELEASE
-	;;
-    *:OS108:*:*)
-	GUESS=$UNAME_MACHINE-unknown-os108_$UNAME_RELEASE
-	;;
+	echo ${UNAME_MACHINE}-${VENDOR}-solidbsd${UNAME_RELEASE}
+	exit ;;
     macppc:MirBSD:*:*)
-	GUESS=powerpc-unknown-mirbsd$UNAME_RELEASE
-	;;
+	echo powerpc-${VENDOR}-mirbsd${UNAME_RELEASE}
+	exit ;;
     *:MirBSD:*:*)
-	GUESS=$UNAME_MACHINE-unknown-mirbsd$UNAME_RELEASE
-	;;
+	echo ${UNAME_MACHINE}-${VENDOR}-mirbsd${UNAME_RELEASE}
+	exit ;;
     *:Sortix:*:*)
-	GUESS=$UNAME_MACHINE-unknown-sortix
-	;;
-    *:Twizzler:*:*)
-	GUESS=$UNAME_MACHINE-unknown-twizzler
-	;;
-    *:Redox:*:*)
-	GUESS=$UNAME_MACHINE-unknown-redox
-	;;
-    mips:OSF1:*.*)
-	GUESS=mips-dec-osf1
-	;;
+	echo ${UNAME_MACHINE}-${VENDOR}-sortix
+	exit ;;
     alpha:OSF1:*:*)
-	# Reset EXIT trap before exiting to avoid spurious non-zero exit code.
-	trap '' 0
 	case $UNAME_RELEASE in
 	*4.0)
 		UNAME_RELEASE=`/usr/sbin/sizer -v | awk '{print $3}'`
@@ -329,7 +283,7 @@ case $UNAME_MACHINE:$UNAME_SYSTEM:$UNAME_RELEASE:$UNAME_VERSION in
 	# covers most systems running today.  This code pipes the CPU
 	# types through head -n 1, so we only detect the type of CPU 0.
 	ALPHA_CPU_TYPE=`/usr/sbin/psrinfo -v | sed -n -e 's/^  The alpha \(.*\) processor.*$/\1/p' | head -n 1`
-	case $ALPHA_CPU_TYPE in
+	case "$ALPHA_CPU_TYPE" in
 	    "EV4 (21064)")
 		UNAME_MACHINE=alpha ;;
 	    "EV4.5 (21064)")
@@ -366,76 +320,84 @@ case $UNAME_MACHINE:$UNAME_SYSTEM:$UNAME_RELEASE:$UNAME_VERSION in
 	# A Tn.n version is a released field test version.
 	# A Xn.n version is an unreleased experimental baselevel.
 	# 1.2 uses "1.2" for uname -r.
-	OSF_REL=`echo "$UNAME_RELEASE" | sed -e 's/^[PVTX]//' | tr ABCDEFGHIJKLMNOPQRSTUVWXYZ abcdefghijklmnopqrstuvwxyz`
-	GUESS=$UNAME_MACHINE-dec-osf$OSF_REL
-	;;
+	echo ${UNAME_MACHINE}-dec-osf`echo ${UNAME_RELEASE} | sed -e 's/^[PVTX]//' | tr ABCDEFGHIJKLMNOPQRSTUVWXYZ abcdefghijklmnopqrstuvwxyz`
+	# Reset EXIT trap before exiting to avoid spurious non-zero exit code.
+	exitcode=$?
+	trap '' 0
+	exit $exitcode ;;
+    Alpha\ *:Windows_NT*:*)
+	# How do we know it's Interix rather than the generic POSIX subsystem?
+	# Should we change UNAME_MACHINE based on the output of uname instead
+	# of the specific Alpha model?
+	echo alpha-pc-interix
+	exit ;;
+    21064:Windows_NT:50:3)
+	echo alpha-dec-winnt3.5
+	exit ;;
     Amiga*:UNIX_System_V:4.0:*)
-	GUESS=m68k-unknown-sysv4
-	;;
+	echo m68k-${VENDOR}-sysv4
+	exit ;;
     *:[Aa]miga[Oo][Ss]:*:*)
-	GUESS=$UNAME_MACHINE-unknown-amigaos
-	;;
+	echo ${UNAME_MACHINE}-${VENDOR}-amigaos
+	exit ;;
     *:[Mm]orph[Oo][Ss]:*:*)
-	GUESS=$UNAME_MACHINE-unknown-morphos
-	;;
+	echo ${UNAME_MACHINE}-${VENDOR}-morphos
+	exit ;;
     *:OS/390:*:*)
-	GUESS=i370-ibm-openedition
-	;;
+	echo i370-ibm-openedition
+	exit ;;
     *:z/VM:*:*)
-	GUESS=s390-ibm-zvmoe
-	;;
+	echo s390-ibm-zvmoe
+	exit ;;
     *:OS400:*:*)
-	GUESS=powerpc-ibm-os400
-	;;
+	echo powerpc-ibm-os400
+	exit ;;
     arm:RISC*:1.[012]*:*|arm:riscix:1.[012]*:*)
-	GUESS=arm-acorn-riscix$UNAME_RELEASE
-	;;
+	echo arm-acorn-riscix${UNAME_RELEASE}
+	exit ;;
     arm*:riscos:*:*|arm*:RISCOS:*:*)
-	GUESS=arm-unknown-riscos
-	;;
+	echo arm-${VENDOR}-riscos
+	exit ;;
     SR2?01:HI-UX/MPP:*:* | SR8000:HI-UX/MPP:*:*)
-	GUESS=hppa1.1-hitachi-hiuxmpp
-	;;
+	echo hppa1.1-hitachi-hiuxmpp
+	exit ;;
     Pyramid*:OSx*:*:* | MIS*:OSx*:*:* | MIS*:SMP_DC-OSx*:*:*)
 	# akee@wpdis03.wpafb.af.mil (Earle F. Ake) contributed MIS and NILE.
-	case `(/bin/universe) 2>/dev/null` in
-	    att) GUESS=pyramid-pyramid-sysv3 ;;
-	    *)   GUESS=pyramid-pyramid-bsd   ;;
-	esac
-	;;
+	if test "`(/bin/universe) 2>/dev/null`" = att ; then
+		echo pyramid-pyramid-sysv3
+	else
+		echo pyramid-pyramid-bsd
+	fi
+	exit ;;
     NILE*:*:*:dcosx)
-	GUESS=pyramid-pyramid-svr4
-	;;
+	echo pyramid-pyramid-svr4
+	exit ;;
     DRS?6000:unix:4.0:6*)
-	GUESS=sparc-icl-nx6
-	;;
+	echo sparc-icl-nx6
+	exit ;;
     DRS?6000:UNIX_SV:4.2*:7* | DRS?6000:isis:4.2*:7*)
 	case `/usr/bin/uname -p` in
-	    sparc) GUESS=sparc-icl-nx7 ;;
-	esac
-	;;
+	    sparc) echo sparc-icl-nx7; exit ;;
+	esac ;;
     s390x:SunOS:*:*)
-	SUN_REL=`echo "$UNAME_RELEASE" | sed -e 's/[^.]*//'`
-	GUESS=$UNAME_MACHINE-ibm-solaris2$SUN_REL
-	;;
+	echo ${UNAME_MACHINE}-ibm-solaris2`echo ${UNAME_RELEASE}|sed -e 's/[^.]*//'`
+	exit ;;
     sun4H:SunOS:5.*:*)
-	SUN_REL=`echo "$UNAME_RELEASE" | sed -e 's/[^.]*//'`
-	GUESS=sparc-hal-solaris2$SUN_REL
-	;;
+	echo sparc-hal-solaris2`echo ${UNAME_RELEASE}|sed -e 's/[^.]*//'`
+	exit ;;
     sun4*:SunOS:5.*:* | tadpole*:SunOS:5.*:*)
-	SUN_REL=`echo "$UNAME_RELEASE" | sed -e 's/[^.]*//'`
-	GUESS=sparc-sun-solaris2$SUN_REL
-	;;
+	echo sparc-sun-solaris2`echo ${UNAME_RELEASE}|sed -e 's/[^.]*//'`
+	exit ;;
     i86pc:AuroraUX:5.*:* | i86xen:AuroraUX:5.*:*)
-	GUESS=i386-pc-auroraux$UNAME_RELEASE
-	;;
+	echo i386-pc-auroraux${UNAME_RELEASE}
+	exit ;;
     i86pc:SunOS:5.*:* | i86xen:SunOS:5.*:*)
-	set_cc_for_build
+	eval $set_cc_for_build
 	SUN_ARCH=i386
 	# If there is a compiler, see if it is configured for 64-bit objects.
 	# Note that the Sun cc does not turn __LP64__ into 1 like gcc does.
 	# This test works for both compilers.
-	if test "$CC_FOR_BUILD" != no_compiler_found; then
+	if [ "$CC_FOR_BUILD" != no_compiler_found ]; then
 	    if (echo '#ifdef __amd64'; echo IS_64BIT_ARCH; echo '#endif') | \
 		(CCOPTS="" $CC_FOR_BUILD -E - 2>/dev/null) | \
 		grep IS_64BIT_ARCH >/dev/null
@@ -443,44 +405,41 @@ case $UNAME_MACHINE:$UNAME_SYSTEM:$UNAME_RELEASE:$UNAME_VERSION in
 		SUN_ARCH=x86_64
 	    fi
 	fi
-	SUN_REL=`echo "$UNAME_RELEASE" | sed -e 's/[^.]*//'`
-	GUESS=$SUN_ARCH-pc-solaris2$SUN_REL
-	;;
+	echo ${SUN_ARCH}-pc-solaris2`echo ${UNAME_RELEASE}|sed -e 's/[^.]*//'`
+	exit ;;
     sun4*:SunOS:6*:*)
 	# According to config.sub, this is the proper way to canonicalize
 	# SunOS6.  Hard to guess exactly what SunOS6 will be like, but
 	# it's likely to be more like Solaris than SunOS4.
-	SUN_REL=`echo "$UNAME_RELEASE" | sed -e 's/[^.]*//'`
-	GUESS=sparc-sun-solaris3$SUN_REL
-	;;
+	echo sparc-sun-solaris3`echo ${UNAME_RELEASE}|sed -e 's/[^.]*//'`
+	exit ;;
     sun4*:SunOS:*:*)
-	case `/usr/bin/arch -k` in
+	case "`/usr/bin/arch -k`" in
 	    Series*|S4*)
 		UNAME_RELEASE=`uname -v`
 		;;
 	esac
 	# Japanese Language versions have a version number like `4.1.3-JL'.
-	SUN_REL=`echo "$UNAME_RELEASE" | sed -e 's/-/_/'`
-	GUESS=sparc-sun-sunos$SUN_REL
-	;;
+	echo sparc-sun-sunos`echo ${UNAME_RELEASE}|sed -e 's/-/_/'`
+	exit ;;
     sun3*:SunOS:*:*)
-	GUESS=m68k-sun-sunos$UNAME_RELEASE
-	;;
+	echo m68k-sun-sunos${UNAME_RELEASE}
+	exit ;;
     sun*:*:4.2BSD:*)
 	UNAME_RELEASE=`(sed 1q /etc/motd | awk '{print substr($5,1,3)}') 2>/dev/null`
-	test "x$UNAME_RELEASE" = x && UNAME_RELEASE=3
-	case `/bin/arch` in
+	test "x${UNAME_RELEASE}" = x && UNAME_RELEASE=3
+	case "`/bin/arch`" in
 	    sun3)
-		GUESS=m68k-sun-sunos$UNAME_RELEASE
+		echo m68k-sun-sunos${UNAME_RELEASE}
 		;;
 	    sun4)
-		GUESS=sparc-sun-sunos$UNAME_RELEASE
+		echo sparc-sun-sunos${UNAME_RELEASE}
 		;;
 	esac
-	;;
+	exit ;;
     aushp:SunOS:*:*)
-	GUESS=sparc-auspex-sunos$UNAME_RELEASE
-	;;
+	echo sparc-auspex-sunos${UNAME_RELEASE}
+	exit ;;
     # 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
@@ -490,44 +449,44 @@ case $UNAME_MACHINE:$UNAME_SYSTEM:$UNAME_RELEASE:$UNAME_VERSION in
     # MiNT.  But MiNT is downward compatible to TOS, so this should
     # be no problem.
     atarist[e]:*MiNT:*:* | atarist[e]:*mint:*:* | atarist[e]:*TOS:*:*)
-	GUESS=m68k-atari-mint$UNAME_RELEASE
-	;;
+	echo m68k-atari-mint${UNAME_RELEASE}
+	exit ;;
     atari*:*MiNT:*:* | atari*:*mint:*:* | atarist[e]:*TOS:*:*)
-	GUESS=m68k-atari-mint$UNAME_RELEASE
-	;;
+	echo m68k-atari-mint${UNAME_RELEASE}
+	exit ;;
     *falcon*:*MiNT:*:* | *falcon*:*mint:*:* | *falcon*:*TOS:*:*)
-	GUESS=m68k-atari-mint$UNAME_RELEASE
-	;;
+	echo m68k-atari-mint${UNAME_RELEASE}
+	exit ;;
     milan*:*MiNT:*:* | milan*:*mint:*:* | *milan*:*TOS:*:*)
-	GUESS=m68k-milan-mint$UNAME_RELEASE
-	;;
+	echo m68k-milan-mint${UNAME_RELEASE}
+	exit ;;
     hades*:*MiNT:*:* | hades*:*mint:*:* | *hades*:*TOS:*:*)
-	GUESS=m68k-hades-mint$UNAME_RELEASE
-	;;
+	echo m68k-hades-mint${UNAME_RELEASE}
+	exit ;;
     *:*MiNT:*:* | *:*mint:*:* | *:*TOS:*:*)
-	GUESS=m68k-unknown-mint$UNAME_RELEASE
-	;;
+	echo m68k-${VENDOR}-mint${UNAME_RELEASE}
+	exit ;;
     m68k:machten:*:*)
-	GUESS=m68k-apple-machten$UNAME_RELEASE
-	;;
+	echo m68k-apple-machten${UNAME_RELEASE}
+	exit ;;
     powerpc:machten:*:*)
-	GUESS=powerpc-apple-machten$UNAME_RELEASE
-	;;
+	echo powerpc-apple-machten${UNAME_RELEASE}
+	exit ;;
     RISC*:Mach:*:*)
-	GUESS=mips-dec-mach_bsd4.3
-	;;
+	echo mips-dec-mach_bsd4.3
+	exit ;;
     RISC*:ULTRIX:*:*)
-	GUESS=mips-dec-ultrix$UNAME_RELEASE
-	;;
+	echo mips-dec-ultrix${UNAME_RELEASE}
+	exit ;;
     VAX*:ULTRIX*:*:*)
-	GUESS=vax-dec-ultrix$UNAME_RELEASE
-	;;
+	echo vax-dec-ultrix${UNAME_RELEASE}
+	exit ;;
     2020:CLIX:*:* | 2430:CLIX:*:*)
-	GUESS=clipper-intergraph-clix$UNAME_RELEASE
-	;;
+	echo clipper-intergraph-clix${UNAME_RELEASE}
+	exit ;;
     mips:*:*:UMIPS | mips:*:*:RISCos)
-	set_cc_for_build
-	sed 's/^	//' << EOF > "$dummy.c"
+	eval $set_cc_for_build
+	sed 's/^	//' << EOF >$dummy.c
 #ifdef __cplusplus
 #include <stdio.h>  /* for printf() prototype */
 	int main (int argc, char *argv[]) {
@@ -536,96 +495,95 @@ case $UNAME_MACHINE:$UNAME_SYSTEM:$UNAME_RELEASE:$UNAME_VERSION in
 #endif
 	#if defined (host_mips) && defined (MIPSEB)
 	#if defined (SYSTYPE_SYSV)
-	  printf ("mips-mips-riscos%ssysv\\n", argv[1]); exit (0);
+	  printf ("mips-mips-riscos%ssysv\n", argv[1]); exit (0);
 	#endif
 	#if defined (SYSTYPE_SVR4)
-	  printf ("mips-mips-riscos%ssvr4\\n", argv[1]); exit (0);
+	  printf ("mips-mips-riscos%ssvr4\n", argv[1]); exit (0);
 	#endif
 	#if defined (SYSTYPE_BSD43) || defined(SYSTYPE_BSD)
-	  printf ("mips-mips-riscos%sbsd\\n", argv[1]); exit (0);
+	  printf ("mips-mips-riscos%sbsd\n", argv[1]); exit (0);
 	#endif
 	#endif
 	  exit (-1);
 	}
 EOF
-	$CC_FOR_BUILD -o "$dummy" "$dummy.c" &&
-	  dummyarg=`echo "$UNAME_RELEASE" | sed -n 's/\([0-9]*\).*/\1/p'` &&
-	  SYSTEM_NAME=`"$dummy" "$dummyarg"` &&
+	$CC_FOR_BUILD -o $dummy $dummy.c &&
+	  dummyarg=`echo "${UNAME_RELEASE}" | sed -n 's/\([0-9]*\).*/\1/p'` &&
+	  SYSTEM_NAME=`$dummy $dummyarg` &&
 	    { echo "$SYSTEM_NAME"; exit; }
-	GUESS=mips-mips-riscos$UNAME_RELEASE
-	;;
+	echo mips-mips-riscos${UNAME_RELEASE}
+	exit ;;
     Motorola:PowerMAX_OS:*:*)
-	GUESS=powerpc-motorola-powermax
-	;;
+	echo powerpc-motorola-powermax
+	exit ;;
     Motorola:*:4.3:PL8-*)
-	GUESS=powerpc-harris-powermax
-	;;
+	echo powerpc-harris-powermax
+	exit ;;
     Night_Hawk:*:*:PowerMAX_OS | Synergy:PowerMAX_OS:*:*)
-	GUESS=powerpc-harris-powermax
-	;;
+	echo powerpc-harris-powermax
+	exit ;;
     Night_Hawk:Power_UNIX:*:*)
-	GUESS=powerpc-harris-powerunix
-	;;
+	echo powerpc-harris-powerunix
+	exit ;;
     m88k:CX/UX:7*:*)
-	GUESS=m88k-harris-cxux7
-	;;
+	echo m88k-harris-cxux7
+	exit ;;
     m88k:*:4*:R4*)
-	GUESS=m88k-motorola-sysv4
-	;;
+	echo m88k-motorola-sysv4
+	exit ;;
     m88k:*:3*:R3*)
-	GUESS=m88k-motorola-sysv3
-	;;
+	echo m88k-motorola-sysv3
+	exit ;;
     AViiON:dgux:*:*)
 	# DG/UX returns AViiON for all architectures
 	UNAME_PROCESSOR=`/usr/bin/uname -p`
-	if test "$UNAME_PROCESSOR" = mc88100 || test "$UNAME_PROCESSOR" = mc88110
+	if [ $UNAME_PROCESSOR = mc88100 ] || [ $UNAME_PROCESSOR = mc88110 ]
 	then
-	    if test "$TARGET_BINARY_INTERFACE"x = m88kdguxelfx || \
-	       test "$TARGET_BINARY_INTERFACE"x = x
+	    if [ ${TARGET_BINARY_INTERFACE}x = m88kdguxelfx ] || \
+	       [ ${TARGET_BINARY_INTERFACE}x = x ]
 	    then
-		GUESS=m88k-dg-dgux$UNAME_RELEASE
+		echo m88k-dg-dgux${UNAME_RELEASE}
 	    else
-		GUESS=m88k-dg-dguxbcs$UNAME_RELEASE
+		echo m88k-dg-dguxbcs${UNAME_RELEASE}
 	    fi
 	else
-	    GUESS=i586-dg-dgux$UNAME_RELEASE
+	    echo i586-dg-dgux${UNAME_RELEASE}
 	fi
-	;;
+	exit ;;
     M88*:DolphinOS:*:*)	# DolphinOS (SVR3)
-	GUESS=m88k-dolphin-sysv3
-	;;
+	echo m88k-dolphin-sysv3
+	exit ;;
     M88*:*:R3*:*)
 	# Delta 88k system running SVR3
-	GUESS=m88k-motorola-sysv3
-	;;
+	echo m88k-motorola-sysv3
+	exit ;;
     XD88*:*:*:*) # Tektronix XD88 system running UTekV (SVR3)
-	GUESS=m88k-tektronix-sysv3
-	;;
+	echo m88k-tektronix-sysv3
+	exit ;;
     Tek43[0-9][0-9]:UTek:*:*) # Tektronix 4300 system running UTek (BSD)
-	GUESS=m68k-tektronix-bsd
-	;;
+	echo m68k-tektronix-bsd
+	exit ;;
     *:IRIX*:*:*)
-	IRIX_REL=`echo "$UNAME_RELEASE" | sed -e 's/-/_/g'`
-	GUESS=mips-sgi-irix$IRIX_REL
-	;;
+	echo mips-sgi-irix`echo ${UNAME_RELEASE}|sed -e 's/-/_/g'`
+	exit ;;
     ????????:AIX?:[12].1:2)   # AIX 2.2.1 or AIX 2.1.1 is RT/PC AIX.
-	GUESS=romp-ibm-aix    # uname -m gives an 8 hex-code CPU id
-	;;                    # Note that: echo "'`uname -s`'" gives 'AIX '
+	echo romp-ibm-aix     # uname -m gives an 8 hex-code CPU id
+	exit ;;               # Note that: echo "'`uname -s`'" gives 'AIX '
     i*86:AIX:*:*)
-	GUESS=i386-ibm-aix
-	;;
+	echo i386-ibm-aix
+	exit ;;
     ia64:AIX:*:*)
-	if test -x /usr/bin/oslevel ; then
+	if [ -x /usr/bin/oslevel ] ; then
 		IBM_REV=`/usr/bin/oslevel`
 	else
-		IBM_REV=$UNAME_VERSION.$UNAME_RELEASE
+		IBM_REV=${UNAME_VERSION}.${UNAME_RELEASE}
 	fi
-	GUESS=$UNAME_MACHINE-ibm-aix$IBM_REV
-	;;
+	echo ${UNAME_MACHINE}-ibm-aix${IBM_REV}
+	exit ;;
     *:AIX:2:3)
 	if grep bos325 /usr/include/stdio.h >/dev/null 2>&1; then
-		set_cc_for_build
-		sed 's/^		//' << EOF > "$dummy.c"
+		eval $set_cc_for_build
+		sed 's/^		//' << EOF >$dummy.c
 		#include <sys/systemcfg.h>
 
 		main()
@@ -636,77 +594,77 @@ EOF
 			exit(0);
 			}
 EOF
-		if $CC_FOR_BUILD -o "$dummy" "$dummy.c" && SYSTEM_NAME=`"$dummy"`
+		if $CC_FOR_BUILD -o $dummy $dummy.c && SYSTEM_NAME=`$dummy`
 		then
-			GUESS=$SYSTEM_NAME
+			echo "$SYSTEM_NAME"
 		else
-			GUESS=rs6000-ibm-aix3.2.5
+			echo rs6000-ibm-aix3.2.5
 		fi
 	elif grep bos324 /usr/include/stdio.h >/dev/null 2>&1; then
-		GUESS=rs6000-ibm-aix3.2.4
+		echo rs6000-ibm-aix3.2.4
 	else
-		GUESS=rs6000-ibm-aix3.2
+		echo rs6000-ibm-aix3.2
 	fi
-	;;
+	exit ;;
     *:AIX:*:[4567])
 	IBM_CPU_ID=`/usr/sbin/lsdev -C -c processor -S available | sed 1q | awk '{ print $1 }'`
-	if /usr/sbin/lsattr -El "$IBM_CPU_ID" | grep ' POWER' >/dev/null 2>&1; then
+	if /usr/sbin/lsattr -El ${IBM_CPU_ID} | grep ' POWER' >/dev/null 2>&1; then
 		IBM_ARCH=rs6000
 	else
 		IBM_ARCH=powerpc
 	fi
-	if test -x /usr/bin/lslpp ; then
-		IBM_REV=`/usr/bin/lslpp -Lqc bos.rte.libc | \
+	if [ -x /usr/bin/lslpp ] ; then
+		IBM_REV=`/usr/bin/lslpp -Lqc bos.rte.libc |
 			   awk -F: '{ print $3 }' | sed s/[0-9]*$/0/`
 	else
-		IBM_REV=$UNAME_VERSION.$UNAME_RELEASE
+		IBM_REV=${UNAME_VERSION}.${UNAME_RELEASE}
 	fi
-	GUESS=$IBM_ARCH-ibm-aix$IBM_REV
-	;;
+	echo ${IBM_ARCH}-ibm-aix${IBM_REV}
+	exit ;;
     *:AIX:*:*)
-	GUESS=rs6000-ibm-aix
-	;;
-    ibmrt:4.4BSD:*|romp-ibm:4.4BSD:*)
-	GUESS=romp-ibm-bsd4.4
-	;;
+	echo rs6000-ibm-aix
+	exit ;;
+    ibmrt:4.4BSD:*|romp-ibm:BSD:*)
+	echo romp-ibm-bsd4.4
+	exit ;;
     ibmrt:*BSD:*|romp-ibm:BSD:*)            # covers RT/PC BSD and
-	GUESS=romp-ibm-bsd$UNAME_RELEASE    # 4.3 with uname added to
-	;;                                  # report: romp-ibm BSD 4.3
+	echo romp-ibm-bsd${UNAME_RELEASE}   # 4.3 with uname added to
+	exit ;;                             # report: romp-ibm BSD 4.3
     *:BOSX:*:*)
-	GUESS=rs6000-bull-bosx
-	;;
+	echo rs6000-bull-bosx
+	exit ;;
     DPX/2?00:B.O.S.:*:*)
-	GUESS=m68k-bull-sysv3
-	;;
+	echo m68k-bull-sysv3
+	exit ;;
     9000/[34]??:4.3bsd:1.*:*)
-	GUESS=m68k-hp-bsd
-	;;
+	echo m68k-hp-bsd
+	exit ;;
     hp300:4.4BSD:*:* | 9000/[34]??:4.3bsd:2.*:*)
-	GUESS=m68k-hp-bsd4.4
-	;;
+	echo m68k-hp-bsd4.4
+	exit ;;
     9000/[34678]??:HP-UX:*:*)
-	HPUX_REV=`echo "$UNAME_RELEASE" | sed -e 's/[^.]*.[0B]*//'`
-	case $UNAME_MACHINE in
-	    9000/31?)            HP_ARCH=m68000 ;;
-	    9000/[34]??)         HP_ARCH=m68k ;;
+	HPUX_REV=`echo ${UNAME_RELEASE}|sed -e 's/[^.]*.[0B]*//'`
+	case "${UNAME_MACHINE}" in
+	    9000/31? )            HP_ARCH=m68000 ;;
+	    9000/[34]?? )         HP_ARCH=m68k ;;
 	    9000/[678][0-9][0-9])
-		if test -x /usr/bin/getconf; then
+		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 $sc_cpu_version in
+		    case "${sc_cpu_version}" in
 		      523) HP_ARCH=hppa1.0 ;; # CPU_PA_RISC1_0
 		      528) HP_ARCH=hppa1.1 ;; # CPU_PA_RISC1_1
 		      532)                      # CPU_PA_RISC2_0
-			case $sc_kernel_bits in
+			case "${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
-		if test "$HP_ARCH" = ""; then
-		    set_cc_for_build
-		    sed 's/^		//' << EOF > "$dummy.c"
+		if [ "${HP_ARCH}" = "" ]; then
+		    eval $set_cc_for_build
+		    sed 's/^		//' << EOF >$dummy.c
 
 		#define _HPUX_SOURCE
 		#include <stdlib.h>
@@ -739,13 +697,13 @@ EOF
 		    exit (0);
 		}
 EOF
-		    (CCOPTS="" $CC_FOR_BUILD -o "$dummy" "$dummy.c" 2>/dev/null) && HP_ARCH=`"$dummy"`
+		    (CCOPTS="" $CC_FOR_BUILD -o $dummy $dummy.c 2>/dev/null) && HP_ARCH=`$dummy`
 		    test -z "$HP_ARCH" && HP_ARCH=hppa
 		fi ;;
 	esac
-	if test "$HP_ARCH" = hppa2.0w
+	if [ ${HP_ARCH} = hppa2.0w ]
 	then
-	    set_cc_for_build
+	    eval $set_cc_for_build
 
 	    # hppa2.0w-hp-hpux* has a 64-bit kernel and a compiler generating
 	    # 32-bit code.  hppa64-hp-hpux* has the same kernel and a compiler
@@ -764,15 +722,15 @@ EOF
 		HP_ARCH=hppa64
 	    fi
 	fi
-	GUESS=$HP_ARCH-hp-hpux$HPUX_REV
-	;;
+	echo ${HP_ARCH}-hp-hpux${HPUX_REV}
+	exit ;;
     ia64:HP-UX:*:*)
-	HPUX_REV=`echo "$UNAME_RELEASE" | sed -e 's/[^.]*.[0B]*//'`
-	GUESS=ia64-hp-hpux$HPUX_REV
-	;;
+	HPUX_REV=`echo ${UNAME_RELEASE}|sed -e 's/[^.]*.[0B]*//'`
+	echo ia64-hp-hpux${HPUX_REV}
+	exit ;;
     3050*:HI-UX:*:*)
-	set_cc_for_build
-	sed 's/^	//' << EOF > "$dummy.c"
+	eval $set_cc_for_build
+	sed 's/^	//' << EOF >$dummy.c
 	#include <unistd.h>
 	int
 	main ()
@@ -797,38 +755,38 @@ EOF
 	  exit (0);
 	}
 EOF
-	$CC_FOR_BUILD -o "$dummy" "$dummy.c" && SYSTEM_NAME=`"$dummy"` &&
+	$CC_FOR_BUILD -o $dummy $dummy.c && SYSTEM_NAME=`$dummy` &&
 		{ echo "$SYSTEM_NAME"; exit; }
-	GUESS=unknown-hitachi-hiuxwe2
-	;;
-    9000/7??:4.3bsd:*:* | 9000/8?[79]:4.3bsd:*:*)
-	GUESS=hppa1.1-hp-bsd
-	;;
+	echo unknown-hitachi-hiuxwe2
+	exit ;;
+    9000/7??:4.3bsd:*:* | 9000/8?[79]:4.3bsd:*:* )
+	echo hppa1.1-hp-bsd
+	exit ;;
     9000/8??:4.3bsd:*:*)
-	GUESS=hppa1.0-hp-bsd
-	;;
+	echo hppa1.0-hp-bsd
+	exit ;;
     *9??*:MPE/iX:*:* | *3000*:MPE/iX:*:*)
-	GUESS=hppa1.0-hp-mpeix
-	;;
-    hp7??:OSF1:*:* | hp8?[79]:OSF1:*:*)
-	GUESS=hppa1.1-hp-osf
-	;;
+	echo hppa1.0-hp-mpeix
+	exit ;;
+    hp7??:OSF1:*:* | hp8?[79]:OSF1:*:* )
+	echo hppa1.1-hp-osf
+	exit ;;
     hp8??:OSF1:*:*)
-	GUESS=hppa1.0-hp-osf
-	;;
+	echo hppa1.0-hp-osf
+	exit ;;
     i*86:OSF1:*:*)
-	if test -x /usr/sbin/sysversion ; then
-	    GUESS=$UNAME_MACHINE-unknown-osf1mk
+	if [ -x /usr/sbin/sysversion ] ; then
+	    echo ${UNAME_MACHINE}-${VENDOR}-osf1mk
 	else
-	    GUESS=$UNAME_MACHINE-unknown-osf1
+	    echo ${UNAME_MACHINE}-${VENDOR}-osf1
 	fi
-	;;
+	exit ;;
     parisc*:Lites*:*:*)
-	GUESS=hppa1.1-hp-lites
-	;;
+	echo hppa1.1-hp-lites
+	exit ;;
     C1*:ConvexOS:*:* | convex:ConvexOS:C1*:*)
-	GUESS=c1-convex-bsd
-	;;
+	echo c1-convex-bsd
+	exit ;;
     C2*:ConvexOS:*:* | convex:ConvexOS:C2*:*)
 	if getsysinfo -f scalar_acc
 	then echo c32-convex-bsd
@@ -836,145 +794,140 @@ EOF
 	fi
 	exit ;;
     C34*:ConvexOS:*:* | convex:ConvexOS:C34*:*)
-	GUESS=c34-convex-bsd
-	;;
+	echo c34-convex-bsd
+	exit ;;
     C38*:ConvexOS:*:* | convex:ConvexOS:C38*:*)
-	GUESS=c38-convex-bsd
-	;;
+	echo c38-convex-bsd
+	exit ;;
     C4*:ConvexOS:*:* | convex:ConvexOS:C4*:*)
-	GUESS=c4-convex-bsd
-	;;
+	echo c4-convex-bsd
+	exit ;;
     CRAY*Y-MP:*:*:*)
-	CRAY_REL=`echo "$UNAME_RELEASE" | sed -e 's/\.[^.]*$/.X/'`
-	GUESS=ymp-cray-unicos$CRAY_REL
-	;;
+	echo ymp-cray-unicos${UNAME_RELEASE} | sed -e 's/\.[^.]*$/.X/'
+	exit ;;
     CRAY*[A-Z]90:*:*:*)
-	echo "$UNAME_MACHINE"-cray-unicos"$UNAME_RELEASE" \
+	echo ${UNAME_MACHINE}-cray-unicos${UNAME_RELEASE} \
 	| sed -e 's/CRAY.*\([A-Z]90\)/\1/' \
 	      -e y/ABCDEFGHIJKLMNOPQRSTUVWXYZ/abcdefghijklmnopqrstuvwxyz/ \
 	      -e 's/\.[^.]*$/.X/'
 	exit ;;
     CRAY*TS:*:*:*)
-	CRAY_REL=`echo "$UNAME_RELEASE" | sed -e 's/\.[^.]*$/.X/'`
-	GUESS=t90-cray-unicos$CRAY_REL
-	;;
+	echo t90-cray-unicos${UNAME_RELEASE} | sed -e 's/\.[^.]*$/.X/'
+	exit ;;
     CRAY*T3E:*:*:*)
-	CRAY_REL=`echo "$UNAME_RELEASE" | sed -e 's/\.[^.]*$/.X/'`
-	GUESS=alphaev5-cray-unicosmk$CRAY_REL
-	;;
+	echo alphaev5-cray-unicosmk${UNAME_RELEASE} | sed -e 's/\.[^.]*$/.X/'
+	exit ;;
     CRAY*SV1:*:*:*)
-	CRAY_REL=`echo "$UNAME_RELEASE" | sed -e 's/\.[^.]*$/.X/'`
-	GUESS=sv1-cray-unicos$CRAY_REL
-	;;
+	echo sv1-cray-unicos${UNAME_RELEASE} | sed -e 's/\.[^.]*$/.X/'
+	exit ;;
     *:UNICOS/mp:*:*)
-	CRAY_REL=`echo "$UNAME_RELEASE" | sed -e 's/\.[^.]*$/.X/'`
-	GUESS=craynv-cray-unicosmp$CRAY_REL
-	;;
+	echo craynv-cray-unicosmp${UNAME_RELEASE} | sed -e 's/\.[^.]*$/.X/'
+	exit ;;
     F30[01]:UNIX_System_V:*:* | F700:UNIX_System_V:*:*)
 	FUJITSU_PROC=`uname -m | tr ABCDEFGHIJKLMNOPQRSTUVWXYZ abcdefghijklmnopqrstuvwxyz`
 	FUJITSU_SYS=`uname -p | tr ABCDEFGHIJKLMNOPQRSTUVWXYZ abcdefghijklmnopqrstuvwxyz | sed -e 's/\///'`
-	FUJITSU_REL=`echo "$UNAME_RELEASE" | sed -e 's/ /_/'`
-	GUESS=${FUJITSU_PROC}-fujitsu-${FUJITSU_SYS}${FUJITSU_REL}
-	;;
+	FUJITSU_REL=`echo ${UNAME_RELEASE} | sed -e 's/ /_/'`
+	echo "${FUJITSU_PROC}-fujitsu-${FUJITSU_SYS}${FUJITSU_REL}"
+	exit ;;
     5000:UNIX_System_V:4.*:*)
 	FUJITSU_SYS=`uname -p | tr ABCDEFGHIJKLMNOPQRSTUVWXYZ abcdefghijklmnopqrstuvwxyz | sed -e 's/\///'`
-	FUJITSU_REL=`echo "$UNAME_RELEASE" | tr ABCDEFGHIJKLMNOPQRSTUVWXYZ abcdefghijklmnopqrstuvwxyz | sed -e 's/ /_/'`
-	GUESS=sparc-fujitsu-${FUJITSU_SYS}${FUJITSU_REL}
-	;;
+	FUJITSU_REL=`echo ${UNAME_RELEASE} | tr ABCDEFGHIJKLMNOPQRSTUVWXYZ abcdefghijklmnopqrstuvwxyz | sed -e 's/ /_/'`
+	echo "sparc-fujitsu-${FUJITSU_SYS}${FUJITSU_REL}"
+	exit ;;
     i*86:BSD/386:*:* | i*86:BSD/OS:*:* | *:Ascend\ Embedded/OS:*:*)
-	GUESS=$UNAME_MACHINE-pc-bsdi$UNAME_RELEASE
-	;;
+	echo ${UNAME_MACHINE}-pc-bsdi${UNAME_RELEASE}
+	exit ;;
     sparc*:BSD/OS:*:*)
-	GUESS=sparc-unknown-bsdi$UNAME_RELEASE
-	;;
+	echo sparc-${VENDOR}-bsdi${UNAME_RELEASE}
+	exit ;;
     *:BSD/OS:*:*)
-	GUESS=$UNAME_MACHINE-unknown-bsdi$UNAME_RELEASE
-	;;
-    arm:FreeBSD:*:*)
-	UNAME_PROCESSOR=`uname -p`
-	set_cc_for_build
-	if echo __ARM_PCS_VFP | $CC_FOR_BUILD -E - 2>/dev/null \
-	    | grep -q __ARM_PCS_VFP
-	then
-	    FREEBSD_REL=`echo "$UNAME_RELEASE" | sed -e 's/[-(].*//'`
-	    GUESS=$UNAME_PROCESSOR-unknown-freebsd$FREEBSD_REL-gnueabi
-	else
-	    FREEBSD_REL=`echo "$UNAME_RELEASE" | sed -e 's/[-(].*//'`
-	    GUESS=$UNAME_PROCESSOR-unknown-freebsd$FREEBSD_REL-gnueabihf
-	fi
-	;;
+	echo ${UNAME_MACHINE}-${VENDOR}-bsdi${UNAME_RELEASE}
+	exit ;;
     *:FreeBSD:*:*)
 	UNAME_PROCESSOR=`/usr/bin/uname -p`
-	case $UNAME_PROCESSOR in
+	case ${UNAME_PROCESSOR} in
 	    amd64)
 		UNAME_PROCESSOR=x86_64 ;;
 	    i386)
 		UNAME_PROCESSOR=i586 ;;
 	esac
-	FREEBSD_REL=`echo "$UNAME_RELEASE" | sed -e 's/[-(].*//'`
-	GUESS=$UNAME_PROCESSOR-unknown-freebsd$FREEBSD_REL
-	;;
+	echo ${UNAME_PROCESSOR}-${VENDOR}-freebsd`echo ${UNAME_RELEASE}|sed -e 's/[-(].*//'`
+	exit ;;
     i*:CYGWIN*:*)
-	GUESS=$UNAME_MACHINE-pc-cygwin
-	;;
+	echo ${UNAME_MACHINE}-pc-cygwin
+	exit ;;
     *:MINGW64*:*)
-	GUESS=$UNAME_MACHINE-pc-mingw64
-	;;
+	echo ${UNAME_MACHINE}-pc-mingw64
+	exit ;;
     *:MINGW*:*)
-	GUESS=$UNAME_MACHINE-pc-mingw32
-	;;
+	echo ${UNAME_MACHINE}-pc-mingw32
+	exit ;;
     *:MSYS*:*)
-	GUESS=$UNAME_MACHINE-pc-msys
-	;;
+	echo ${UNAME_MACHINE}-pc-msys
+	exit ;;
+    i*:windows32*:*)
+	# uname -m includes "-pc" on this system.
+	echo ${UNAME_MACHINE}-mingw32
+	exit ;;
     i*:PW*:*)
-	GUESS=$UNAME_MACHINE-pc-pw32
-	;;
+	echo ${UNAME_MACHINE}-pc-pw32
+	exit ;;
     *:Interix*:*)
-	case $UNAME_MACHINE in
+	case ${UNAME_MACHINE} in
 	    x86)
-		GUESS=i586-pc-interix$UNAME_RELEASE
-		;;
+		echo i586-pc-interix${UNAME_RELEASE}
+		exit ;;
 	    authenticamd | genuineintel | EM64T)
-		GUESS=x86_64-unknown-interix$UNAME_RELEASE
-		;;
+		echo x86_64-${VENDOR}-interix${UNAME_RELEASE}
+		exit ;;
 	    IA64)
-		GUESS=ia64-unknown-interix$UNAME_RELEASE
-		;;
+		echo ia64-${VENDOR}-interix${UNAME_RELEASE}
+		exit ;;
 	esac ;;
+    [345]86:Windows_95:* | [345]86:Windows_98:* | [345]86:Windows_NT:*)
+	echo i${UNAME_MACHINE}-pc-mks
+	exit ;;
+    8664:Windows_NT:*)
+	echo x86_64-pc-mks
+	exit ;;
+    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
+	# UNAME_MACHINE based on the output of uname instead of i386?
+	echo i586-pc-interix
+	exit ;;
     i*:UWIN*:*)
-	GUESS=$UNAME_MACHINE-pc-uwin
-	;;
+	echo ${UNAME_MACHINE}-pc-uwin
+	exit ;;
     amd64:CYGWIN*:*:* | x86_64:CYGWIN*:*:*)
-	GUESS=x86_64-pc-cygwin
-	;;
+	echo x86_64-${VENDOR}-cygwin
+	exit ;;
+    p*:CYGWIN*:*)
+	echo powerpcle-${VENDOR}-cygwin
+	exit ;;
     prep*:SunOS:5.*:*)
-	SUN_REL=`echo "$UNAME_RELEASE" | sed -e 's/[^.]*//'`
-	GUESS=powerpcle-unknown-solaris2$SUN_REL
-	;;
+	echo powerpcle-${VENDOR}-solaris2`echo ${UNAME_RELEASE}|sed -e 's/[^.]*//'`
+	exit ;;
     *:GNU:*:*)
 	# the GNU system
-	GNU_ARCH=`echo "$UNAME_MACHINE" | sed -e 's,[-/].*$,,'`
-	GNU_REL=`echo "$UNAME_RELEASE" | sed -e 's,/.*$,,'`
-	GUESS=$GNU_ARCH-unknown-$LIBC$GNU_REL
-	;;
+	echo `echo ${UNAME_MACHINE}|sed -e 's,[-/].*$,,'`-${VENDOR}-${LIBC}`echo ${UNAME_RELEASE}|sed -e 's,/.*$,,'`
+	exit ;;
     *:GNU/*:*:*)
 	# other systems with GNU libc and userland
-	GNU_SYS=`echo "$UNAME_SYSTEM" | sed 's,^[^/]*/,,' | tr "[:upper:]" "[:lower:]"`
-	GNU_REL=`echo "$UNAME_RELEASE" | sed -e 's/[-(].*//'`
-	GUESS=$UNAME_MACHINE-unknown-$GNU_SYS$GNU_REL-$LIBC
-	;;
-    *:Minix:*:*)
-	GUESS=$UNAME_MACHINE-unknown-minix
-	;;
+	echo ${UNAME_MACHINE}-${VENDOR}-`echo ${UNAME_SYSTEM} | sed 's,^[^/]*/,,' | tr "[:upper:]" "[:lower:]"``echo ${UNAME_RELEASE}|sed -e 's/[-(].*//'`-${LIBC}
+	exit ;;
+    i*86:Minix:*:*)
+	echo ${UNAME_MACHINE}-pc-minix
+	exit ;;
     aarch64:Linux:*:*)
-	GUESS=$UNAME_MACHINE-unknown-linux-$LIBC
-	;;
+	echo ${UNAME_MACHINE}-${VENDOR}-linux-${LIBC}
+	exit ;;
     aarch64_be:Linux:*:*)
 	UNAME_MACHINE=aarch64_be
-	GUESS=$UNAME_MACHINE-unknown-linux-$LIBC
-	;;
+	echo ${UNAME_MACHINE}-${VENDOR}-linux-${LIBC}
+	exit ;;
     alpha:Linux:*:*)
-	case `sed -n '/^cpu model/s/^.*: \(.*\)/\1/p' /proc/cpuinfo 2>/dev/null` in
+	case `sed -n '/^cpu model/s/^.*: \(.*\)/\1/p' < /proc/cpuinfo` in
 	  EV5)   UNAME_MACHINE=alphaev5 ;;
 	  EV56)  UNAME_MACHINE=alphaev56 ;;
 	  PCA56) UNAME_MACHINE=alphapca56 ;;
@@ -985,225 +938,183 @@ EOF
 	esac
 	objdump --private-headers /bin/sh | grep -q ld.so.1
 	if test "$?" = 0 ; then LIBC=gnulibc1 ; fi
-	GUESS=$UNAME_MACHINE-unknown-linux-$LIBC
-	;;
-    arc:Linux:*:* | arceb:Linux:*:* | arc32:Linux:*:* | arc64:Linux:*:*)
-	GUESS=$UNAME_MACHINE-unknown-linux-$LIBC
-	;;
+	echo ${UNAME_MACHINE}-${VENDOR}-linux-${LIBC}
+	exit ;;
+    arc:Linux:*:* | arceb:Linux:*:*)
+	echo ${UNAME_MACHINE}-${VENDOR}-linux-${LIBC}
+	exit ;;
     arm*:Linux:*:*)
-	set_cc_for_build
+	eval $set_cc_for_build
 	if echo __ARM_EABI__ | $CC_FOR_BUILD -E - 2>/dev/null \
 	    | grep -q __ARM_EABI__
 	then
-	    GUESS=$UNAME_MACHINE-unknown-linux-$LIBC
+	    echo ${UNAME_MACHINE}-${VENDOR}-linux-${LIBC}
 	else
 	    if echo __ARM_PCS_VFP | $CC_FOR_BUILD -E - 2>/dev/null \
 		| grep -q __ARM_PCS_VFP
 	    then
-		GUESS=$UNAME_MACHINE-unknown-linux-${LIBC}eabi
+		echo ${UNAME_MACHINE}-${VENDOR}-linux-${LIBC}eabi
 	    else
-		GUESS=$UNAME_MACHINE-unknown-linux-${LIBC}eabihf
+		echo ${UNAME_MACHINE}-${VENDOR}-linux-${LIBC}eabihf
 	    fi
 	fi
-	;;
+	exit ;;
     avr32*:Linux:*:*)
-	GUESS=$UNAME_MACHINE-unknown-linux-$LIBC
-	;;
+	echo ${UNAME_MACHINE}-${VENDOR}-linux-${LIBC}
+	exit ;;
     cris:Linux:*:*)
-	GUESS=$UNAME_MACHINE-axis-linux-$LIBC
-	;;
+	echo ${UNAME_MACHINE}-axis-linux-${LIBC}
+	exit ;;
     crisv32:Linux:*:*)
-	GUESS=$UNAME_MACHINE-axis-linux-$LIBC
-	;;
+	echo ${UNAME_MACHINE}-axis-linux-${LIBC}
+	exit ;;
     e2k:Linux:*:*)
-	GUESS=$UNAME_MACHINE-unknown-linux-$LIBC
-	;;
+	echo ${UNAME_MACHINE}-${VENDOR}-linux-${LIBC}
+	exit ;;
     frv:Linux:*:*)
-	GUESS=$UNAME_MACHINE-unknown-linux-$LIBC
-	;;
+	echo ${UNAME_MACHINE}-${VENDOR}-linux-${LIBC}
+	exit ;;
     hexagon:Linux:*:*)
-	GUESS=$UNAME_MACHINE-unknown-linux-$LIBC
-	;;
+	echo ${UNAME_MACHINE}-${VENDOR}-linux-${LIBC}
+	exit ;;
     i*86:Linux:*:*)
-	GUESS=$UNAME_MACHINE-pc-linux-$LIBC
-	;;
+	echo ${UNAME_MACHINE}-pc-linux-${LIBC}
+	exit ;;
     ia64:Linux:*:*)
-	GUESS=$UNAME_MACHINE-unknown-linux-$LIBC
-	;;
+	echo ${UNAME_MACHINE}-${VENDOR}-linux-${LIBC}
+	exit ;;
     k1om:Linux:*:*)
-	GUESS=$UNAME_MACHINE-unknown-linux-$LIBC
-	;;
-    loongarch32:Linux:*:* | loongarch64:Linux:*:* | loongarchx32:Linux:*:*)
-	GUESS=$UNAME_MACHINE-unknown-linux-$LIBC
-	;;
+	echo ${UNAME_MACHINE}-${VENDOR}-linux-${LIBC}
+	exit ;;
     m32r*:Linux:*:*)
-	GUESS=$UNAME_MACHINE-unknown-linux-$LIBC
-	;;
+	echo ${UNAME_MACHINE}-${VENDOR}-linux-${LIBC}
+	exit ;;
     m68*:Linux:*:*)
-	GUESS=$UNAME_MACHINE-unknown-linux-$LIBC
-	;;
+	echo ${UNAME_MACHINE}-${VENDOR}-linux-${LIBC}
+	exit ;;
     mips:Linux:*:* | mips64:Linux:*:*)
-	set_cc_for_build
-	IS_GLIBC=0
-	test x"${LIBC}" = xgnu && IS_GLIBC=1
-	sed 's/^	//' << EOF > "$dummy.c"
+	eval $set_cc_for_build
+	sed 's/^	//' << EOF >$dummy.c
 	#undef CPU
-	#undef mips
-	#undef mipsel
-	#undef mips64
-	#undef mips64el
-	#if ${IS_GLIBC} && defined(_ABI64)
-	LIBCABI=gnuabi64
-	#else
-	#if ${IS_GLIBC} && defined(_ABIN32)
-	LIBCABI=gnuabin32
-	#else
-	LIBCABI=${LIBC}
-	#endif
-	#endif
-
-	#if ${IS_GLIBC} && defined(__mips64) && defined(__mips_isa_rev) && __mips_isa_rev>=6
-	CPU=mipsisa64r6
-	#else
-	#if ${IS_GLIBC} && !defined(__mips64) && defined(__mips_isa_rev) && __mips_isa_rev>=6
-	CPU=mipsisa32r6
-	#else
-	#if defined(__mips64)
-	CPU=mips64
-	#else
-	CPU=mips
-	#endif
-	#endif
-	#endif
-
+	#undef ${UNAME_MACHINE}
+	#undef ${UNAME_MACHINE}el
 	#if defined(__MIPSEL__) || defined(__MIPSEL) || defined(_MIPSEL) || defined(MIPSEL)
-	MIPS_ENDIAN=el
+	CPU=${UNAME_MACHINE}el
 	#else
 	#if defined(__MIPSEB__) || defined(__MIPSEB) || defined(_MIPSEB) || defined(MIPSEB)
-	MIPS_ENDIAN=
+	CPU=${UNAME_MACHINE}
 	#else
-	MIPS_ENDIAN=
+	CPU=
 	#endif
 	#endif
 EOF
-	cc_set_vars=`$CC_FOR_BUILD -E "$dummy.c" 2>/dev/null | grep '^CPU\|^MIPS_ENDIAN\|^LIBCABI'`
-	eval "$cc_set_vars"
-	test "x$CPU" != x && { echo "$CPU${MIPS_ENDIAN}-unknown-linux-$LIBCABI"; exit; }
+	eval `$CC_FOR_BUILD -E $dummy.c 2>/dev/null | grep '^CPU'`
+	test x"${CPU}" != x && { echo "${CPU}-${VENDOR}-linux-${LIBC}"; exit; }
 	;;
     mips64el:Linux:*:*)
-	GUESS=$UNAME_MACHINE-unknown-linux-$LIBC
-	;;
+	echo ${UNAME_MACHINE}-${VENDOR}-linux-${LIBC}
+	exit ;;
     openrisc*:Linux:*:*)
-	GUESS=or1k-unknown-linux-$LIBC
-	;;
+	echo or1k-${VENDOR}-linux-${LIBC}
+	exit ;;
     or32:Linux:*:* | or1k*:Linux:*:*)
-	GUESS=$UNAME_MACHINE-unknown-linux-$LIBC
-	;;
+	echo ${UNAME_MACHINE}-${VENDOR}-linux-${LIBC}
+	exit ;;
     padre:Linux:*:*)
-	GUESS=sparc-unknown-linux-$LIBC
-	;;
+	echo sparc-${VENDOR}-linux-${LIBC}
+	exit ;;
     parisc64:Linux:*:* | hppa64:Linux:*:*)
-	GUESS=hppa64-unknown-linux-$LIBC
-	;;
+	echo hppa64-${VENDOR}-linux-${LIBC}
+	exit ;;
     parisc:Linux:*:* | hppa:Linux:*:*)
 	# Look for CPU level
 	case `grep '^cpu[^a-z]*:' /proc/cpuinfo 2>/dev/null | cut -d' ' -f2` in
-	  PA7*) GUESS=hppa1.1-unknown-linux-$LIBC ;;
-	  PA8*) GUESS=hppa2.0-unknown-linux-$LIBC ;;
-	  *)    GUESS=hppa-unknown-linux-$LIBC ;;
+	  PA7*) echo hppa1.1-${VENDOR}-linux-${LIBC} ;;
+	  PA8*) echo hppa2.0-${VENDOR}-linux-${LIBC} ;;
+	  *)    echo hppa-${VENDOR}-linux-${LIBC} ;;
 	esac
-	;;
+	exit ;;
     ppc64:Linux:*:*)
-	GUESS=powerpc64-unknown-linux-$LIBC
-	;;
+	echo powerpc64-${VENDOR}-linux-${LIBC}
+	exit ;;
     ppc:Linux:*:*)
-	GUESS=powerpc-unknown-linux-$LIBC
-	;;
+	echo powerpc-${VENDOR}-linux-${LIBC}
+	exit ;;
     ppc64le:Linux:*:*)
-	GUESS=powerpc64le-unknown-linux-$LIBC
-	;;
+	echo powerpc64le-${VENDOR}-linux-${LIBC}
+	exit ;;
     ppcle:Linux:*:*)
-	GUESS=powerpcle-unknown-linux-$LIBC
-	;;
-    riscv32:Linux:*:* | riscv32be:Linux:*:* | riscv64:Linux:*:* | riscv64be:Linux:*:*)
-	GUESS=$UNAME_MACHINE-unknown-linux-$LIBC
-	;;
+	echo powerpcle-${VENDOR}-linux-${LIBC}
+	exit ;;
+    riscv32:Linux:*:* | riscv64:Linux:*:*)
+	echo ${UNAME_MACHINE}-${VENDOR}-linux-${LIBC}
+	exit ;;
     s390:Linux:*:* | s390x:Linux:*:*)
-	GUESS=$UNAME_MACHINE-ibm-linux-$LIBC
-	;;
+	echo ${UNAME_MACHINE}-ibm-linux-${LIBC}
+	exit ;;
     sh64*:Linux:*:*)
-	GUESS=$UNAME_MACHINE-unknown-linux-$LIBC
-	;;
+	echo ${UNAME_MACHINE}-${VENDOR}-linux-${LIBC}
+	exit ;;
     sh*:Linux:*:*)
-	GUESS=$UNAME_MACHINE-unknown-linux-$LIBC
-	;;
+	echo ${UNAME_MACHINE}-${VENDOR}-linux-${LIBC}
+	exit ;;
     sparc:Linux:*:* | sparc64:Linux:*:*)
-	GUESS=$UNAME_MACHINE-unknown-linux-$LIBC
-	;;
+	echo ${UNAME_MACHINE}-${VENDOR}-linux-${LIBC}
+	exit ;;
     tile*:Linux:*:*)
-	GUESS=$UNAME_MACHINE-unknown-linux-$LIBC
-	;;
+	echo ${UNAME_MACHINE}-${VENDOR}-linux-${LIBC}
+	exit ;;
     vax:Linux:*:*)
-	GUESS=$UNAME_MACHINE-dec-linux-$LIBC
-	;;
+	echo ${UNAME_MACHINE}-dec-linux-${LIBC}
+	exit ;;
     x86_64:Linux:*:*)
-	set_cc_for_build
-	LIBCABI=$LIBC
-	if test "$CC_FOR_BUILD" != no_compiler_found; then
-	    if (echo '#ifdef __ILP32__'; echo IS_X32; echo '#endif') | \
-		(CCOPTS="" $CC_FOR_BUILD -E - 2>/dev/null) | \
-		grep IS_X32 >/dev/null
-	    then
-		LIBCABI=${LIBC}x32
-	    fi
-	fi
-	GUESS=$UNAME_MACHINE-pc-linux-$LIBCABI
-	;;
+	echo ${UNAME_MACHINE}-pc-linux-${LIBC}
+	exit ;;
     xtensa*:Linux:*:*)
-	GUESS=$UNAME_MACHINE-unknown-linux-$LIBC
-	;;
+	echo ${UNAME_MACHINE}-${VENDOR}-linux-${LIBC}
+	exit ;;
     i*86:DYNIX/ptx:4*:*)
 	# ptx 4.0 does uname -s correctly, with DYNIX/ptx in there.
 	# earlier versions are messed up and put the nodename in both
 	# sysname and nodename.
-	GUESS=i386-sequent-sysv4
-	;;
+	echo i386-sequent-sysv4
+	exit ;;
     i*86:UNIX_SV:4.2MP:2.*)
 	# Unixware is an offshoot of SVR4, but it has its own version
 	# number series starting with 2...
 	# I am not positive that other SVR4 systems won't match this,
 	# I just have to hope.  -- rms.
 	# Use sysv4.2uw... so that sysv4* matches it.
-	GUESS=$UNAME_MACHINE-pc-sysv4.2uw$UNAME_VERSION
-	;;
+	echo ${UNAME_MACHINE}-pc-sysv4.2uw${UNAME_VERSION}
+	exit ;;
     i*86:OS/2:*:*)
 	# If we were able to find `uname', then EMX Unix compatibility
 	# is probably installed.
-	GUESS=$UNAME_MACHINE-pc-os2-emx
-	;;
+	echo ${UNAME_MACHINE}-pc-os2-emx
+	exit ;;
     i*86:XTS-300:*:STOP)
-	GUESS=$UNAME_MACHINE-unknown-stop
-	;;
+	echo ${UNAME_MACHINE}-${VENDOR}-stop
+	exit ;;
     i*86:atheos:*:*)
-	GUESS=$UNAME_MACHINE-unknown-atheos
-	;;
+	echo ${UNAME_MACHINE}-${VENDOR}-atheos
+	exit ;;
     i*86:syllable:*:*)
-	GUESS=$UNAME_MACHINE-pc-syllable
-	;;
+	echo ${UNAME_MACHINE}-pc-syllable
+	exit ;;
     i*86:LynxOS:2.*:* | i*86:LynxOS:3.[01]*:* | i*86:LynxOS:4.[02]*:*)
-	GUESS=i386-unknown-lynxos$UNAME_RELEASE
-	;;
+	echo i386-${VENODR}-lynxos${UNAME_RELEASE}
+	exit ;;
     i*86:*DOS:*:*)
-	GUESS=$UNAME_MACHINE-pc-msdosdjgpp
-	;;
-    i*86:*:4.*:*)
-	UNAME_REL=`echo "$UNAME_RELEASE" | sed 's/\/MP$//'`
+	echo ${UNAME_MACHINE}-pc-msdosdjgpp
+	exit ;;
+    i*86:*:4.*:* | i*86:SYSTEM_V:4.*:*)
+	UNAME_REL=`echo ${UNAME_RELEASE} | sed 's/\/MP$//'`
 	if grep Novell /usr/include/link.h >/dev/null 2>/dev/null; then
-		GUESS=$UNAME_MACHINE-univel-sysv$UNAME_REL
+		echo ${UNAME_MACHINE}-univel-sysv${UNAME_REL}
 	else
-		GUESS=$UNAME_MACHINE-pc-sysv$UNAME_REL
+		echo ${UNAME_MACHINE}-pc-sysv${UNAME_REL}
 	fi
-	;;
+	exit ;;
     i*86:*:5:[678]*)
 	# UnixWare 7.x, OpenUNIX and OpenServer 6.
 	case `/bin/uname -X | grep "^Machine"` in
@@ -1211,12 +1122,12 @@ EOF
 	    *Pentium)	     UNAME_MACHINE=i586 ;;
 	    *Pent*|*Celeron) UNAME_MACHINE=i686 ;;
 	esac
-	GUESS=$UNAME_MACHINE-unknown-sysv${UNAME_RELEASE}${UNAME_SYSTEM}${UNAME_VERSION}
-	;;
+	echo ${UNAME_MACHINE}-${VENDOR}-sysv${UNAME_RELEASE}${UNAME_SYSTEM}${UNAME_VERSION}
+	exit ;;
     i*86:*:3.2:*)
 	if test -f /usr/options/cb.name; then
 		UNAME_REL=`sed -n 's/.*Version //p' </usr/options/cb.name`
-		GUESS=$UNAME_MACHINE-pc-isc$UNAME_REL
+		echo ${UNAME_MACHINE}-pc-isc$UNAME_REL
 	elif /bin/uname -X 2>/dev/null >/dev/null ; then
 		UNAME_REL=`(/bin/uname -X|grep Release|sed -e 's/.*= //')`
 		(/bin/uname -X|grep i80486 >/dev/null) && UNAME_MACHINE=i486
@@ -1226,11 +1137,11 @@ EOF
 			&& UNAME_MACHINE=i686
 		(/bin/uname -X|grep '^Machine.*Pentium Pro' >/dev/null) \
 			&& UNAME_MACHINE=i686
-		GUESS=$UNAME_MACHINE-pc-sco$UNAME_REL
+		echo ${UNAME_MACHINE}-pc-sco$UNAME_REL
 	else
-		GUESS=$UNAME_MACHINE-pc-sysv32
+		echo ${UNAME_MACHINE}-pc-sysv32
 	fi
-	;;
+	exit ;;
     pc:*:*:*)
 	# Left here for compatibility:
 	# uname -m prints for DJGPP always 'pc', but it prints nothing about
@@ -1238,31 +1149,31 @@ EOF
 	# Note: whatever this is, it MUST be the same as what config.sub
 	# prints for the "djgpp" host, or else GDB configure will decide that
 	# this is a cross-build.
-	GUESS=i586-pc-msdosdjgpp
-	;;
+	echo i586-pc-msdosdjgpp
+	exit ;;
     Intel:Mach:3*:*)
-	GUESS=i386-pc-mach3
-	;;
+	echo i386-pc-mach3
+	exit ;;
     paragon:*:*:*)
-	GUESS=i860-intel-osf1
-	;;
+	echo i860-intel-osf1
+	exit ;;
     i860:*:4.*:*) # i860-SVR4
 	if grep Stardent /usr/include/sys/uadmin.h >/dev/null 2>&1 ; then
-	  GUESS=i860-stardent-sysv$UNAME_RELEASE    # Stardent Vistra i860-SVR4
+	  echo i860-stardent-sysv${UNAME_RELEASE} # Stardent Vistra i860-SVR4
 	else # Add other i860-SVR4 vendors below as they are discovered.
-	  GUESS=i860-unknown-sysv$UNAME_RELEASE     # Unknown i860-SVR4
+	  echo i860-${VENODR}-sysv${UNAME_RELEASE}  # Unknown i860-SVR4
 	fi
-	;;
+	exit ;;
     mini*:CTIX:SYS*5:*)
 	# "miniframe"
-	GUESS=m68010-convergent-sysv
-	;;
+	echo m68010-convergent-sysv
+	exit ;;
     mc68k:UNIX:SYSTEM5:3.51m)
-	GUESS=m68k-convergent-sysv
-	;;
+	echo m68k-convergent-sysv
+	exit ;;
     M680?0:D-NIX:5.3:*)
-	GUESS=m68k-diab-dnix
-	;;
+	echo m68k-diab-dnix
+	exit ;;
     M68*:*:R3V[5678]*:*)
 	test -r /sysV68 && { echo 'm68k-motorola-sysv'; exit; } ;;
     3[345]??:*:4.0:3.0 | 3[34]??A:*:4.0:3.0 | 3[34]??,*:*:4.0:3.0 | 3[34]??/*:*:4.0:3.0 | 4400:*:4.0:3.0 | 4850:*:4.0:3.0 | SKA40:*:4.0:3.0 | SDS2:*:4.0:3.0 | SHG2:*:4.0:3.0 | S7501*:*:4.0:3.0)
@@ -1270,9 +1181,9 @@ EOF
 	test -r /etc/.relid \
 	&& OS_REL=.`sed -n 's/[^ ]* [^ ]* \([0-9][0-9]\).*/\1/p' < /etc/.relid`
 	/bin/uname -p 2>/dev/null | grep 86 >/dev/null \
-	  && { echo i486-ncr-sysv4.3"$OS_REL"; exit; }
+	  && { echo i486-ncr-sysv4.3${OS_REL}; exit; }
 	/bin/uname -p 2>/dev/null | /bin/grep entium >/dev/null \
-	  && { echo i586-ncr-sysv4.3"$OS_REL"; exit; } ;;
+	  && { echo i586-ncr-sysv4.3${OS_REL}; exit; } ;;
     3[34]??:*:4.0:* | 3[34]??,*:*:4.0:*)
 	/bin/uname -p 2>/dev/null | grep 86 >/dev/null \
 	  && { echo i486-ncr-sysv4; exit; } ;;
@@ -1281,434 +1192,259 @@ EOF
 	test -r /etc/.relid \
 	    && OS_REL=.`sed -n 's/[^ ]* [^ ]* \([0-9][0-9]\).*/\1/p' < /etc/.relid`
 	/bin/uname -p 2>/dev/null | grep 86 >/dev/null \
-	    && { echo i486-ncr-sysv4.3"$OS_REL"; exit; }
+	    && { echo i486-ncr-sysv4.3${OS_REL}; exit; }
 	/bin/uname -p 2>/dev/null | /bin/grep entium >/dev/null \
-	    && { echo i586-ncr-sysv4.3"$OS_REL"; exit; }
+	    && { echo i586-ncr-sysv4.3${OS_REL}; exit; }
 	/bin/uname -p 2>/dev/null | /bin/grep pteron >/dev/null \
-	    && { echo i586-ncr-sysv4.3"$OS_REL"; exit; } ;;
+	    && { echo i586-ncr-sysv4.3${OS_REL}; exit; } ;;
     m68*:LynxOS:2.*:* | m68*:LynxOS:3.0*:*)
-	GUESS=m68k-unknown-lynxos$UNAME_RELEASE
-	;;
+	echo m68k-${VENDOR}-lynxos${UNAME_RELEASE}
+	exit ;;
     mc68030:UNIX_System_V:4.*:*)
-	GUESS=m68k-atari-sysv4
-	;;
+	echo m68k-atari-sysv4
+	exit ;;
     TSUNAMI:LynxOS:2.*:*)
-	GUESS=sparc-unknown-lynxos$UNAME_RELEASE
-	;;
+	echo sparc-${VENDOR}-lynxos${UNAME_RELEASE}
+	exit ;;
     rs6000:LynxOS:2.*:*)
-	GUESS=rs6000-unknown-lynxos$UNAME_RELEASE
-	;;
+	echo rs6000-${VENDOR}-lynxos${UNAME_RELEASE}
+	exit ;;
     PowerPC:LynxOS:2.*:* | PowerPC:LynxOS:3.[01]*:* | PowerPC:LynxOS:4.[02]*:*)
-	GUESS=powerpc-unknown-lynxos$UNAME_RELEASE
-	;;
+	echo powerpc-${VENDOR}-lynxos${UNAME_RELEASE}
+	exit ;;
     SM[BE]S:UNIX_SV:*:*)
-	GUESS=mips-dde-sysv$UNAME_RELEASE
-	;;
+	echo mips-dde-sysv${UNAME_RELEASE}
+	exit ;;
     RM*:ReliantUNIX-*:*:*)
-	GUESS=mips-sni-sysv4
-	;;
+	echo mips-sni-sysv4
+	exit ;;
     RM*:SINIX-*:*:*)
-	GUESS=mips-sni-sysv4
-	;;
+	echo mips-sni-sysv4
+	exit ;;
     *:SINIX-*:*:*)
 	if uname -p 2>/dev/null >/dev/null ; then
 		UNAME_MACHINE=`(uname -p) 2>/dev/null`
-		GUESS=$UNAME_MACHINE-sni-sysv4
+		echo ${UNAME_MACHINE}-sni-sysv4
 	else
-		GUESS=ns32k-sni-sysv
+		echo ns32k-sni-sysv
 	fi
-	;;
+	exit ;;
     PENTIUM:*:4.0*:*)	# Unisys `ClearPath HMP IX 4000' SVR4/MP effort
 			# says <Richard.M.Bartel@ccMail.Census.GOV>
-	GUESS=i586-unisys-sysv4
-	;;
+	echo i586-unisys-sysv4
+	exit ;;
     *:UNIX_System_V:4*:FTX*)
 	# From Gerald Hewes <hewes@openmarket.com>.
 	# How about differentiating between stratus architectures? -djm
-	GUESS=hppa1.1-stratus-sysv4
-	;;
+	echo hppa1.1-stratus-sysv4
+	exit ;;
     *:*:*:FTX*)
 	# From seanf@swdc.stratus.com.
-	GUESS=i860-stratus-sysv4
-	;;
+	echo i860-stratus-sysv4
+	exit ;;
     i*86:VOS:*:*)
 	# From Paul.Green@stratus.com.
-	GUESS=$UNAME_MACHINE-stratus-vos
-	;;
+	echo ${UNAME_MACHINE}-stratus-vos
+	exit ;;
     *:VOS:*:*)
 	# From Paul.Green@stratus.com.
-	GUESS=hppa1.1-stratus-vos
-	;;
+	echo hppa1.1-stratus-vos
+	exit ;;
     mc68*:A/UX:*:*)
-	GUESS=m68k-apple-aux$UNAME_RELEASE
-	;;
+	echo m68k-apple-aux${UNAME_RELEASE}
+	exit ;;
     news*:NEWS-OS:6*:*)
-	GUESS=mips-sony-newsos6
-	;;
+	echo mips-sony-newsos6
+	exit ;;
     R[34]000:*System_V*:*:* | R4000:UNIX_SYSV:*:* | R*000:UNIX_SV:*:*)
-	if test -d /usr/nec; then
-		GUESS=mips-nec-sysv$UNAME_RELEASE
+	if [ -d /usr/nec ]; then
+		echo mips-nec-sysv${UNAME_RELEASE}
 	else
-		GUESS=mips-unknown-sysv$UNAME_RELEASE
+		echo mips-${VENDOR}-sysv${UNAME_RELEASE}
 	fi
-	;;
+	exit ;;
     BeBox:BeOS:*:*)	# BeOS running on hardware made by Be, PPC only.
-	GUESS=powerpc-be-beos
-	;;
+	echo powerpc-be-beos
+	exit ;;
     BeMac:BeOS:*:*)	# BeOS running on Mac or Mac clone, PPC only.
-	GUESS=powerpc-apple-beos
-	;;
+	echo powerpc-apple-beos
+	exit ;;
     BePC:BeOS:*:*)	# BeOS running on Intel PC compatible.
-	GUESS=i586-pc-beos
-	;;
+	echo i586-pc-beos
+	exit ;;
     BePC:Haiku:*:*)	# Haiku running on Intel PC compatible.
-	GUESS=i586-pc-haiku
-	;;
+	echo i586-pc-haiku
+	exit ;;
     x86_64:Haiku:*:*)
-	GUESS=x86_64-unknown-haiku
-	;;
+	echo x86_64-${VENDOR}-haiku
+	exit ;;
     SX-4:SUPER-UX:*:*)
-	GUESS=sx4-nec-superux$UNAME_RELEASE
-	;;
+	echo sx4-nec-superux${UNAME_RELEASE}
+	exit ;;
     SX-5:SUPER-UX:*:*)
-	GUESS=sx5-nec-superux$UNAME_RELEASE
-	;;
+	echo sx5-nec-superux${UNAME_RELEASE}
+	exit ;;
     SX-6:SUPER-UX:*:*)
-	GUESS=sx6-nec-superux$UNAME_RELEASE
-	;;
+	echo sx6-nec-superux${UNAME_RELEASE}
+	exit ;;
     SX-7:SUPER-UX:*:*)
-	GUESS=sx7-nec-superux$UNAME_RELEASE
-	;;
+	echo sx7-nec-superux${UNAME_RELEASE}
+	exit ;;
     SX-8:SUPER-UX:*:*)
-	GUESS=sx8-nec-superux$UNAME_RELEASE
-	;;
+	echo sx8-nec-superux${UNAME_RELEASE}
+	exit ;;
     SX-8R:SUPER-UX:*:*)
-	GUESS=sx8r-nec-superux$UNAME_RELEASE
-	;;
+	echo sx8r-nec-superux${UNAME_RELEASE}
+	exit ;;
     SX-ACE:SUPER-UX:*:*)
-	GUESS=sxace-nec-superux$UNAME_RELEASE
-	;;
+	echo sxace-nec-superux${UNAME_RELEASE}
+	exit ;;
     Power*:Rhapsody:*:*)
-	GUESS=powerpc-apple-rhapsody$UNAME_RELEASE
-	;;
+	echo powerpc-apple-rhapsody${UNAME_RELEASE}
+	exit ;;
     *:Rhapsody:*:*)
-	GUESS=$UNAME_MACHINE-apple-rhapsody$UNAME_RELEASE
-	;;
-    arm64:Darwin:*:*)
-	GUESS=aarch64-apple-darwin$UNAME_RELEASE
-	;;
+	echo ${UNAME_MACHINE}-apple-rhapsody${UNAME_RELEASE}
+	exit ;;
     *:Darwin:*:*)
-	UNAME_PROCESSOR=`uname -p`
-	case $UNAME_PROCESSOR in
-	    unknown) UNAME_PROCESSOR=powerpc ;;
-	esac
-	if command -v xcode-select > /dev/null 2> /dev/null && \
-		! xcode-select --print-path > /dev/null 2> /dev/null ; then
-	    # Avoid executing cc if there is no toolchain installed as
-	    # cc will be a stub that puts up a graphical alert
-	    # prompting the user to install developer tools.
-	    CC_FOR_BUILD=no_compiler_found
-	else
-	    set_cc_for_build
+	UNAME_PROCESSOR=`uname -p` || UNAME_PROCESSOR=unknown
+	eval $set_cc_for_build
+	if test "$UNAME_PROCESSOR" = unknown ; then
+	    UNAME_PROCESSOR=powerpc
 	fi
-	if test "$CC_FOR_BUILD" != no_compiler_found; then
-	    if (echo '#ifdef __LP64__'; echo IS_64BIT_ARCH; echo '#endif') | \
-		   (CCOPTS="" $CC_FOR_BUILD -E - 2>/dev/null) | \
-		   grep IS_64BIT_ARCH >/dev/null
-	    then
-		case $UNAME_PROCESSOR in
-		    i386) UNAME_PROCESSOR=x86_64 ;;
-		    powerpc) UNAME_PROCESSOR=powerpc64 ;;
-		esac
-	    fi
-	    # On 10.4-10.6 one might compile for PowerPC via gcc -arch ppc
-	    if (echo '#ifdef __POWERPC__'; echo IS_PPC; echo '#endif') | \
-		   (CCOPTS="" $CC_FOR_BUILD -E - 2>/dev/null) | \
-		   grep IS_PPC >/dev/null
-	    then
-		UNAME_PROCESSOR=powerpc
+	if test `echo "$UNAME_RELEASE" | sed -e 's/\..*//'` -le 10 ; then
+	    if [ "$CC_FOR_BUILD" != no_compiler_found ]; then
+		if (echo '#ifdef __LP64__'; echo IS_64BIT_ARCH; echo '#endif') | \
+		       (CCOPTS="" $CC_FOR_BUILD -E - 2>/dev/null) | \
+		       grep IS_64BIT_ARCH >/dev/null
+		then
+		    case $UNAME_PROCESSOR in
+			i386) UNAME_PROCESSOR=x86_64 ;;
+			powerpc) UNAME_PROCESSOR=powerpc64 ;;
+		    esac
+		fi
+		# On 10.4-10.6 one might compile for PowerPC via gcc -arch ppc
+		if (echo '#ifdef __POWERPC__'; echo IS_PPC; echo '#endif') | \
+		       (CCOPTS="" $CC_FOR_BUILD -E - 2>/dev/null) | \
+		       grep IS_PPC >/dev/null
+		then
+		    UNAME_PROCESSOR=powerpc
+		fi
 	    fi
 	elif test "$UNAME_PROCESSOR" = i386 ; then
-	    # uname -m returns i386 or x86_64
-	    UNAME_PROCESSOR=$UNAME_MACHINE
+	    # Avoid executing cc on OS X 10.9, as it ships with a stub
+	    # that puts up a graphical alert prompting to install
+	    # developer tools.  Any system running Mac OS X 10.7 or
+	    # later (Darwin 11 and later) is required to have a 64-bit
+	    # processor. This is not true of the ARM version of Darwin
+	    # that Apple uses in portable devices.
+	    UNAME_PROCESSOR=x86_64
 	fi
-	GUESS=$UNAME_PROCESSOR-apple-darwin$UNAME_RELEASE
-	;;
+	echo ${UNAME_PROCESSOR}-apple-darwin${UNAME_RELEASE}
+	exit ;;
     *:procnto*:*:* | *:QNX:[0123456789]*:*)
 	UNAME_PROCESSOR=`uname -p`
 	if test "$UNAME_PROCESSOR" = x86; then
 		UNAME_PROCESSOR=i386
 		UNAME_MACHINE=pc
 	fi
-	GUESS=$UNAME_PROCESSOR-$UNAME_MACHINE-nto-qnx$UNAME_RELEASE
-	;;
+	echo ${UNAME_PROCESSOR}-${UNAME_MACHINE}-nto-qnx${UNAME_RELEASE}
+	exit ;;
     *:QNX:*:4*)
-	GUESS=i386-pc-qnx
-	;;
+	echo i386-pc-qnx
+	exit ;;
     NEO-*:NONSTOP_KERNEL:*:*)
-	GUESS=neo-tandem-nsk$UNAME_RELEASE
-	;;
+	echo neo-tandem-nsk${UNAME_RELEASE}
+	exit ;;
     NSE-*:NONSTOP_KERNEL:*:*)
-	GUESS=nse-tandem-nsk$UNAME_RELEASE
-	;;
+	echo nse-tandem-nsk${UNAME_RELEASE}
+	exit ;;
     NSR-*:NONSTOP_KERNEL:*:*)
-	GUESS=nsr-tandem-nsk$UNAME_RELEASE
-	;;
-    NSV-*:NONSTOP_KERNEL:*:*)
-	GUESS=nsv-tandem-nsk$UNAME_RELEASE
-	;;
+	echo nsr-tandem-nsk${UNAME_RELEASE}
+	exit ;;
     NSX-*:NONSTOP_KERNEL:*:*)
-	GUESS=nsx-tandem-nsk$UNAME_RELEASE
-	;;
+	echo nsx-tandem-nsk${UNAME_RELEASE}
+	exit ;;
     *:NonStop-UX:*:*)
-	GUESS=mips-compaq-nonstopux
-	;;
+	echo mips-compaq-nonstopux
+	exit ;;
     BS2000:POSIX*:*:*)
-	GUESS=bs2000-siemens-sysv
-	;;
+	echo bs2000-siemens-sysv
+	exit ;;
     DS/*:UNIX_System_V:*:*)
-	GUESS=$UNAME_MACHINE-$UNAME_SYSTEM-$UNAME_RELEASE
-	;;
+	echo ${UNAME_MACHINE}-${UNAME_SYSTEM}-${UNAME_RELEASE}
+	exit ;;
     *:Plan9:*:*)
 	# "uname -m" is not consistent, so use $cputype instead. 386
 	# is converted to i386 for consistency with other x86
 	# operating systems.
-	if test "${cputype-}" = 386; then
+	if test "$cputype" = 386; then
 	    UNAME_MACHINE=i386
-	elif test "x${cputype-}" != x; then
-	    UNAME_MACHINE=$cputype
+	else
+	    UNAME_MACHINE="$cputype"
 	fi
-	GUESS=$UNAME_MACHINE-unknown-plan9
-	;;
+	echo ${UNAME_MACHINE}-${VENDOR}-plan9
+	exit ;;
     *:TOPS-10:*:*)
-	GUESS=pdp10-unknown-tops10
-	;;
+	echo pdp10-${VENDOR}-tops10
+	exit ;;
     *:TENEX:*:*)
-	GUESS=pdp10-unknown-tenex
-	;;
+	echo pdp10-${VENDOR}-tenex
+	exit ;;
     KS10:TOPS-20:*:* | KL10:TOPS-20:*:* | TYPE4:TOPS-20:*:*)
-	GUESS=pdp10-dec-tops20
-	;;
+	echo pdp10-dec-tops20
+	exit ;;
     XKL-1:TOPS-20:*:* | TYPE5:TOPS-20:*:*)
-	GUESS=pdp10-xkl-tops20
-	;;
+	echo pdp10-xkl-tops20
+	exit ;;
     *:TOPS-20:*:*)
-	GUESS=pdp10-unknown-tops20
-	;;
+	echo pdp10-${VENDOR}-tops20
+	exit ;;
     *:ITS:*:*)
-	GUESS=pdp10-unknown-its
-	;;
+	echo pdp10-${VENDOR}-its
+	exit ;;
     SEI:*:*:SEIUX)
-	GUESS=mips-sei-seiux$UNAME_RELEASE
-	;;
+	echo mips-sei-seiux${UNAME_RELEASE}
+	exit ;;
     *:DragonFly:*:*)
-	DRAGONFLY_REL=`echo "$UNAME_RELEASE" | sed -e 's/[-(].*//'`
-	GUESS=$UNAME_MACHINE-unknown-dragonfly$DRAGONFLY_REL
-	;;
+	echo ${UNAME_MACHINE}-${VENDOR}-dragonfly`echo ${UNAME_RELEASE}|sed -e 's/[-(].*//'`
+	exit ;;
     *:*VMS:*:*)
 	UNAME_MACHINE=`(uname -p) 2>/dev/null`
-	case $UNAME_MACHINE in
-	    A*) GUESS=alpha-dec-vms ;;
-	    I*) GUESS=ia64-dec-vms ;;
-	    V*) GUESS=vax-dec-vms ;;
+	case "${UNAME_MACHINE}" in
+	    A*) echo alpha-dec-vms ; exit ;;
+	    I*) echo ia64-dec-vms ; exit ;;
+	    V*) echo vax-dec-vms ; exit ;;
 	esac ;;
     *:XENIX:*:SysV)
-	GUESS=i386-pc-xenix
-	;;
+	echo i386-pc-xenix
+	exit ;;
     i*86:skyos:*:*)
-	SKYOS_REL=`echo "$UNAME_RELEASE" | sed -e 's/ .*$//'`
-	GUESS=$UNAME_MACHINE-pc-skyos$SKYOS_REL
-	;;
+	echo ${UNAME_MACHINE}-pc-skyos`echo ${UNAME_RELEASE} | sed -e 's/ .*$//'`
+	exit ;;
     i*86:rdos:*:*)
-	GUESS=$UNAME_MACHINE-pc-rdos
-	;;
-    *:AROS:*:*)
-	GUESS=$UNAME_MACHINE-unknown-aros
-	;;
+	echo ${UNAME_MACHINE}-pc-rdos
+	exit ;;
+    i*86:AROS:*:*)
+	echo ${UNAME_MACHINE}-pc-aros
+	exit ;;
     x86_64:VMkernel:*:*)
-	GUESS=$UNAME_MACHINE-unknown-esx
-	;;
+	echo ${UNAME_MACHINE}-${VENDOR}-esx
+	exit ;;
     amd64:Isilon\ OneFS:*:*)
-	GUESS=x86_64-unknown-onefs
-	;;
-    *:Unleashed:*:*)
-	GUESS=$UNAME_MACHINE-unknown-unleashed$UNAME_RELEASE
-	;;
-esac
-
-# Do we have a guess based on uname results?
-if test "x$GUESS" != x; then
-    echo "$GUESS"
-    exit
-fi
-
-# No uname command or uname output not recognized.
-set_cc_for_build
-cat > "$dummy.c" <<EOF
-#ifdef _SEQUENT_
-#include <sys/types.h>
-#include <sys/utsname.h>
-#endif
-#if defined(ultrix) || defined(_ultrix) || defined(__ultrix) || defined(__ultrix__)
-#if defined (vax) || defined (__vax) || defined (__vax__) || defined(mips) || defined(__mips) || defined(__mips__) || defined(MIPS) || defined(__MIPS__)
-#include <signal.h>
-#if defined(_SIZE_T_) || defined(SIGLOST)
-#include <sys/utsname.h>
-#endif
-#endif
-#endif
-main ()
-{
-#if defined (sony)
-#if defined (MIPSEB)
-  /* BFD wants "bsd" instead of "newsos".  Perhaps BFD should be changed,
-     I don't know....  */
-  printf ("mips-sony-bsd\n"); exit (0);
-#else
-#include <sys/param.h>
-  printf ("m68k-sony-newsos%s\n",
-#ifdef NEWSOS4
-  "4"
-#else
-  ""
-#endif
-  ); exit (0);
-#endif
-#endif
-
-#if defined (NeXT)
-#if !defined (__ARCHITECTURE__)
-#define __ARCHITECTURE__ "m68k"
-#endif
-  int version;
-  version=`(hostinfo | sed -n 's/.*NeXT Mach \([0-9]*\).*/\1/p') 2>/dev/null`;
-  if (version < 4)
-    printf ("%s-next-nextstep%d\n", __ARCHITECTURE__, version);
-  else
-    printf ("%s-next-openstep%d\n", __ARCHITECTURE__, version);
-  exit (0);
-#endif
-
-#if defined (MULTIMAX) || defined (n16)
-#if defined (UMAXV)
-  printf ("ns32k-encore-sysv\n"); exit (0);
-#else
-#if defined (CMU)
-  printf ("ns32k-encore-mach\n"); exit (0);
-#else
-  printf ("ns32k-encore-bsd\n"); exit (0);
-#endif
-#endif
-#endif
-
-#if defined (__386BSD__)
-  printf ("i386-pc-bsd\n"); exit (0);
-#endif
-
-#if defined (sequent)
-#if defined (i386)
-  printf ("i386-sequent-dynix\n"); exit (0);
-#endif
-#if defined (ns32000)
-  printf ("ns32k-sequent-dynix\n"); exit (0);
-#endif
-#endif
-
-#if defined (_SEQUENT_)
-  struct utsname un;
-
-  uname(&un);
-  if (strncmp(un.version, "V2", 2) == 0) {
-    printf ("i386-sequent-ptx2\n"); exit (0);
-  }
-  if (strncmp(un.version, "V1", 2) == 0) { /* XXX is V1 correct? */
-    printf ("i386-sequent-ptx1\n"); exit (0);
-  }
-  printf ("i386-sequent-ptx\n"); exit (0);
-#endif
-
-#if defined (vax)
-#if !defined (ultrix)
-#include <sys/param.h>
-#if defined (BSD)
-#if BSD == 43
-  printf ("vax-dec-bsd4.3\n"); exit (0);
-#else
-#if BSD == 199006
-  printf ("vax-dec-bsd4.3reno\n"); exit (0);
-#else
-  printf ("vax-dec-bsd\n"); exit (0);
-#endif
-#endif
-#else
-  printf ("vax-dec-bsd\n"); exit (0);
-#endif
-#else
-#if defined(_SIZE_T_) || defined(SIGLOST)
-  struct utsname un;
-  uname (&un);
-  printf ("vax-dec-ultrix%s\n", un.release); exit (0);
-#else
-  printf ("vax-dec-ultrix\n"); exit (0);
-#endif
-#endif
-#endif
-#if defined(ultrix) || defined(_ultrix) || defined(__ultrix) || defined(__ultrix__)
-#if defined(mips) || defined(__mips) || defined(__mips__) || defined(MIPS) || defined(__MIPS__)
-#if defined(_SIZE_T_) || defined(SIGLOST)
-  struct utsname *un;
-  uname (&un);
-  printf ("mips-dec-ultrix%s\n", un.release); exit (0);
-#else
-  printf ("mips-dec-ultrix\n"); exit (0);
-#endif
-#endif
-#endif
-
-#if defined (alliant) && defined (i860)
-  printf ("i860-alliant-bsd\n"); exit (0);
-#endif
-
-  exit (1);
-}
-EOF
-
-$CC_FOR_BUILD -o "$dummy" "$dummy.c" 2>/dev/null && SYSTEM_NAME=`"$dummy"` &&
-	{ echo "$SYSTEM_NAME"; exit; }
-
-# Apollos put the system type in the environment.
-test -d /usr/apollo && { echo "$ISP-apollo-$SYSTYPE"; exit; }
-
-echo "$0: unable to guess system type" >&2
-
-case $UNAME_MACHINE:$UNAME_SYSTEM in
-    mips:Linux | mips64:Linux)
-	# If we got here on MIPS GNU/Linux, output extra information.
-	cat >&2 <<EOF
-
-NOTE: MIPS GNU/Linux systems require a C compiler to fully recognize
-the system type. Please install a C compiler and try again.
-EOF
-	;;
+	echo x86_64-${VENDOR}-onefs
+	exit ;;
 esac
 
 cat >&2 <<EOF
+$0: unable to guess system type
 
 This script (version $timestamp), has failed to recognize the
-operating system you are using. If your script is old, overwrite *all*
-copies of config.guess and config.sub with the latest versions from:
+operating system you are using. If your script is old, overwrite
+config.guess and config.sub with the latest versions from:
 
-  https://git.savannah.gnu.org/cgit/config.git/plain/config.guess
+  http://git.savannah.gnu.org/gitweb/?p=config.git;a=blob_plain;f=config.guess
 and
-  https://git.savannah.gnu.org/cgit/config.git/plain/config.sub
-EOF
-
-our_year=`echo $timestamp | sed 's,-.*,,'`
-thisyear=`date +%Y`
-# shellcheck disable=SC2003
-script_age=`expr "$thisyear" - "$our_year"`
-if test "$script_age" -lt 3 ; then
-   cat >&2 <<EOF
+  http://git.savannah.gnu.org/gitweb/?p=config.git;a=blob_plain;f=config.sub
 
 If $0 has already been updated, send the following data and any
 information you think might be pertinent to config-patches@gnu.org to
@@ -1731,17 +1467,16 @@ hostinfo               = `(hostinfo) 2>/dev/null`
 /usr/bin/oslevel       = `(/usr/bin/oslevel) 2>/dev/null`
 /usr/convex/getsysinfo = `(/usr/convex/getsysinfo) 2>/dev/null`
 
-UNAME_MACHINE = "$UNAME_MACHINE"
-UNAME_RELEASE = "$UNAME_RELEASE"
-UNAME_SYSTEM  = "$UNAME_SYSTEM"
-UNAME_VERSION = "$UNAME_VERSION"
+UNAME_MACHINE = ${UNAME_MACHINE}
+UNAME_RELEASE = ${UNAME_RELEASE}
+UNAME_SYSTEM  = ${UNAME_SYSTEM}
+UNAME_VERSION = ${UNAME_VERSION}
 EOF
-fi
 
 exit 1
 
 # Local variables:
-# eval: (add-hook 'before-save-hook 'time-stamp)
+# eval: (add-hook 'write-file-hooks 'time-stamp)
 # time-stamp-start: "timestamp='"
 # time-stamp-format: "%:y-%02m-%02d"
 # time-stamp-end: "'"