update build-aux files to match autoconf-2.71

i.e. config.guess, config.sub and install-sh

1 files changed, 439 insertions, 576 deletions

diff --git a/config.guess b/config.guess
index 11fda528..a4077cce 100755
--- a/config.guess
+++ b/config.guess
@@ -1,12 +1,14 @@
 #! /bin/sh
 # Attempt to guess a canonical system name.
-#   Copyright 1992-2020 Free Software Foundation, Inc.
+#   Copyright (C) 1992, 1993, 1994, 1995, 1996, 1997, 1998, 1999,
+#   2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010,
+#   2011, 2012 Free Software Foundation, Inc.
 
-timestamp='2020-04-26'
+timestamp='2012-09-25'
 
 # 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
-# the Free Software Foundation; either version 3 of the License, or
+# the Free Software Foundation; either version 2 of the License, or
 # (at your option) any later version.
 #
 # This program is distributed in the hope that it will be useful, but
@@ -15,22 +17,24 @@ timestamp='2020-04-26'
 # 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
 # configuration script generated by Autoconf, you may include it under
-# the same distribution terms that you use for the rest of that
-# program.  This Exception is an additional permission under section 7
-# of the GNU General Public License, version 3 ("GPLv3").
+# the same distribution terms that you use for the rest of that program.
+
+
+# Originally written by Per Bothner.  Please send patches (context
+# diff format) to <config-patches@gnu.org> and include a ChangeLog
+# entry.
 #
-# Originally written by Per Bothner; maintained since 2000 by Ben Elliston.
+# This script attempts to guess a canonical system name similar to
+# config.sub.  If it succeeds, it prints the system name on stdout, and
+# exits with 0.  Otherwise, it exits with 1.
 #
 # You can get the latest version of this script from:
-# https://git.savannah.gnu.org/gitweb/?p=config.git;a=blob_plain;f=config.guess
-#
-# Please send patches to <config-patches@gnu.org>.
-
+# http://git.savannah.gnu.org/gitweb/?p=config.git;a=blob_plain;f=config.guess;hb=HEAD
 
 me=`echo "$0" | sed -e 's,.*/,,'`
 
@@ -39,7 +43,7 @@ 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
@@ -50,7 +54,9 @@ version="\
 GNU config.guess ($timestamp)
 
 Originally written by Per Bothner.
-Copyright 1992-2020 Free Software Foundation, Inc.
+Copyright (C) 1992, 1993, 1994, 1995, 1996, 1997, 1998, 1999, 2000,
+2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011, 2012
+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."
@@ -84,6 +90,8 @@ if test $# != 0; then
   exit 1
 fi
 
+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
 # temporary files to be created and, as you can see below, it is a
@@ -94,40 +102,34 @@ fi
 
 # 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
-    : "${TMPDIR=/tmp}"
-    # shellcheck disable=SC2039
-    { tmp=`(umask 077 && mktemp -d "$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/cgXXXXXXXXXX") 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
 
@@ -136,37 +138,9 @@ UNAME_RELEASE=`(uname -r) 2>/dev/null` || UNAME_RELEASE=unknown
 UNAME_SYSTEM=`(uname -s) 2>/dev/null`  || UNAME_SYSTEM=unknown
 UNAME_VERSION=`(uname -v) 2>/dev/null` || UNAME_VERSION=unknown
 
-case "$UNAME_SYSTEM" in
-Linux|GNU|GNU/*)
-	# If the system lacks a compiler, then just pick glibc.
-	# We could probably try harder.
-	LIBC=gnu
-
-	set_cc_for_build
-	cat <<-EOF > "$dummy.c"
-	#include <features.h>
-	#if defined(__UCLIBC__)
-	LIBC=uclibc
-	#elif defined(__dietlibc__)
-	LIBC=dietlibc
-	#else
-	LIBC=gnu
-	#endif
-	EOF
-	eval "`$CC_FOR_BUILD -E "$dummy.c" 2>/dev/null | grep '^LIBC' | sed 's, ,,g'`"
-
-	# If ldd exists, use it to detect musl libc.
-	if command -v ldd >/dev/null && \
-		ldd --version 2>&1 | grep -q ^musl
-	then
-	    LIBC=musl
-	fi
-	;;
-esac
-
 # 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*,
@@ -179,31 +153,21 @@ 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/$sysctl" 2>/dev/null || \
-	    "/usr/sbin/$sysctl" 2>/dev/null || \
-	    echo unknown)`
-	case "$UNAME_MACHINE_ARCH" in
+	UNAME_MACHINE_ARCH=`(/sbin/$sysctl 2>/dev/null || \
+	    /usr/sbin/$sysctl 2>/dev/null || echo unknown)`
+	case "${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}${endian}"-unknown
-		;;
-	    *) machine="$UNAME_MACHINE_ARCH"-unknown ;;
+	    *) machine=${UNAME_MACHINE_ARCH}-unknown ;;
 	esac
 	# The Operating System including object format, if it has switched
-	# to ELF recently (or will in the future) and ABI.
-	case "$UNAME_MACHINE_ARCH" in
-	    earm*)
-		os=netbsdelf
-		;;
+	# to ELF recently, or will in the future.
+	case "${UNAME_MACHINE_ARCH}" in
 	    arm*|i386|m68k|ns32k|sh3*|sparc|vax)
-		set_cc_for_build
+		eval $set_cc_for_build
 		if echo __ELF__ | $CC_FOR_BUILD -E - 2>/dev/null \
 			| grep -q __ELF__
 		then
@@ -218,72 +182,43 @@ case "$UNAME_MACHINE:$UNAME_SYSTEM:$UNAME_RELEASE:$UNAME_VERSION" in
 		os=netbsd
 		;;
 	esac
-	# Determine ABI tags.
-	case "$UNAME_MACHINE_ARCH" in
-	    earm*)
-		expr='s/^earmv[0-9]/-eabi/;s/eb$//'
-		abi=`echo "$UNAME_MACHINE_ARCH" | sed -e "$expr"`
-		;;
-	esac
 	# The OS release
 	# Debian GNU/NetBSD machines have a different userland, and
 	# thus, need a distinct triplet. However, they do not need
 	# kernel version information, so it can be replaced with a
 	# suitable tag, in the style of linux-gnu.
-	case "$UNAME_VERSION" in
+	case "${UNAME_VERSION}" in
 	    Debian*)
 		release='-gnu'
 		;;
 	    *)
-		release=`echo "$UNAME_RELEASE" | sed -e 's/[-_].*//' | cut -d. -f1,2`
+		release=`echo ${UNAME_RELEASE}|sed -e 's/[-_].*/\./'`
 		;;
 	esac
 	# Since CPU_TYPE-MANUFACTURER-KERNEL-OPERATING_SYSTEM:
 	# contains redundant information, the shorter form:
 	# CPU_TYPE-MANUFACTURER-OPERATING_SYSTEM is used.
-	echo "$machine-${os}${release}${abi-}"
+	echo "${machine}-${os}${release}"
 	exit ;;
     *:Bitrig:*:*)
 	UNAME_MACHINE_ARCH=`arch | sed 's/Bitrig.//'`
-	echo "$UNAME_MACHINE_ARCH"-unknown-bitrig"$UNAME_RELEASE"
+	echo ${UNAME_MACHINE_ARCH}-unknown-bitrig${UNAME_RELEASE}
 	exit ;;
     *:OpenBSD:*:*)
 	UNAME_MACHINE_ARCH=`arch | sed 's/OpenBSD.//'`
-	echo "$UNAME_MACHINE_ARCH"-unknown-openbsd"$UNAME_RELEASE"
-	exit ;;
-    *:LibertyBSD:*:*)
-	UNAME_MACHINE_ARCH=`arch | sed 's/^.*BSD\.//'`
-	echo "$UNAME_MACHINE_ARCH"-unknown-libertybsd"$UNAME_RELEASE"
-	exit ;;
-    *:MidnightBSD:*:*)
-	echo "$UNAME_MACHINE"-unknown-midnightbsd"$UNAME_RELEASE"
+	echo ${UNAME_MACHINE_ARCH}-unknown-openbsd${UNAME_RELEASE}
 	exit ;;
     *:ekkoBSD:*:*)
-	echo "$UNAME_MACHINE"-unknown-ekkobsd"$UNAME_RELEASE"
+	echo ${UNAME_MACHINE}-unknown-ekkobsd${UNAME_RELEASE}
 	exit ;;
     *:SolidBSD:*:*)
-	echo "$UNAME_MACHINE"-unknown-solidbsd"$UNAME_RELEASE"
-	exit ;;
-    *:OS108:*:*)
-	echo "$UNAME_MACHINE"-unknown-os108_"$UNAME_RELEASE"
+	echo ${UNAME_MACHINE}-unknown-solidbsd${UNAME_RELEASE}
 	exit ;;
     macppc:MirBSD:*:*)
-	echo powerpc-unknown-mirbsd"$UNAME_RELEASE"
+	echo powerpc-unknown-mirbsd${UNAME_RELEASE}
 	exit ;;
     *:MirBSD:*:*)
-	echo "$UNAME_MACHINE"-unknown-mirbsd"$UNAME_RELEASE"
-	exit ;;
-    *:Sortix:*:*)
-	echo "$UNAME_MACHINE"-unknown-sortix
-	exit ;;
-    *:Twizzler:*:*)
-	echo "$UNAME_MACHINE"-unknown-twizzler
-	exit ;;
-    *:Redox:*:*)
-	echo "$UNAME_MACHINE"-unknown-redox
-	exit ;;
-    mips:OSF1:*.*)
-	echo mips-dec-osf1
+	echo ${UNAME_MACHINE}-unknown-mirbsd${UNAME_RELEASE}
 	exit ;;
     alpha:OSF1:*:*)
 	case $UNAME_RELEASE in
@@ -301,54 +236,63 @@ case "$UNAME_MACHINE:$UNAME_SYSTEM:$UNAME_RELEASE:$UNAME_VERSION" in
 	ALPHA_CPU_TYPE=`/usr/sbin/psrinfo -v | sed -n -e 's/^  The alpha \(.*\) processor.*$/\1/p' | head -n 1`
 	case "$ALPHA_CPU_TYPE" in
 	    "EV4 (21064)")
-		UNAME_MACHINE=alpha ;;
+		UNAME_MACHINE="alpha" ;;
 	    "EV4.5 (21064)")
-		UNAME_MACHINE=alpha ;;
+		UNAME_MACHINE="alpha" ;;
 	    "LCA4 (21066/21068)")
-		UNAME_MACHINE=alpha ;;
+		UNAME_MACHINE="alpha" ;;
 	    "EV5 (21164)")
-		UNAME_MACHINE=alphaev5 ;;
+		UNAME_MACHINE="alphaev5" ;;
 	    "EV5.6 (21164A)")
-		UNAME_MACHINE=alphaev56 ;;
+		UNAME_MACHINE="alphaev56" ;;
 	    "EV5.6 (21164PC)")
-		UNAME_MACHINE=alphapca56 ;;
+		UNAME_MACHINE="alphapca56" ;;
 	    "EV5.7 (21164PC)")
-		UNAME_MACHINE=alphapca57 ;;
+		UNAME_MACHINE="alphapca57" ;;
 	    "EV6 (21264)")
-		UNAME_MACHINE=alphaev6 ;;
+		UNAME_MACHINE="alphaev6" ;;
 	    "EV6.7 (21264A)")
-		UNAME_MACHINE=alphaev67 ;;
+		UNAME_MACHINE="alphaev67" ;;
 	    "EV6.8CB (21264C)")
-		UNAME_MACHINE=alphaev68 ;;
+		UNAME_MACHINE="alphaev68" ;;
 	    "EV6.8AL (21264B)")
-		UNAME_MACHINE=alphaev68 ;;
+		UNAME_MACHINE="alphaev68" ;;
 	    "EV6.8CX (21264D)")
-		UNAME_MACHINE=alphaev68 ;;
+		UNAME_MACHINE="alphaev68" ;;
 	    "EV6.9A (21264/EV69A)")
-		UNAME_MACHINE=alphaev69 ;;
+		UNAME_MACHINE="alphaev69" ;;
 	    "EV7 (21364)")
-		UNAME_MACHINE=alphaev7 ;;
+		UNAME_MACHINE="alphaev7" ;;
 	    "EV7.9 (21364A)")
-		UNAME_MACHINE=alphaev79 ;;
+		UNAME_MACHINE="alphaev79" ;;
 	esac
 	# A Pn.n version is a patched version.
 	# A Vn.n version is a released version.
 	# 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.
-	echo "$UNAME_MACHINE"-dec-osf"`echo "$UNAME_RELEASE" | sed -e 's/^[PVTX]//' | tr ABCDEFGHIJKLMNOPQRSTUVWXYZ abcdefghijklmnopqrstuvwxyz`"
+	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 $exitcode ;;
+    Alpha\ *:Windows_NT*:*)
+	# How do we know it's Interix rather than the generic POSIX subsystem?
+	# Should we change UNAME_MACHINE based on the output of uname instead
+	# of the specific Alpha model?
+	echo alpha-pc-interix
+	exit ;;
+    21064:Windows_NT:50:3)
+	echo alpha-dec-winnt3.5
+	exit ;;
     Amiga*:UNIX_System_V:4.0:*)
 	echo m68k-unknown-sysv4
 	exit ;;
     *:[Aa]miga[Oo][Ss]:*:*)
-	echo "$UNAME_MACHINE"-unknown-amigaos
+	echo ${UNAME_MACHINE}-unknown-amigaos
 	exit ;;
     *:[Mm]orph[Oo][Ss]:*:*)
-	echo "$UNAME_MACHINE"-unknown-morphos
+	echo ${UNAME_MACHINE}-unknown-morphos
 	exit ;;
     *:OS/390:*:*)
 	echo i370-ibm-openedition
@@ -360,7 +304,7 @@ case "$UNAME_MACHINE:$UNAME_SYSTEM:$UNAME_RELEASE:$UNAME_VERSION" in
 	echo powerpc-ibm-os400
 	exit ;;
     arm:RISC*:1.[012]*:*|arm:riscix:1.[012]*:*)
-	echo arm-acorn-riscix"$UNAME_RELEASE"
+	echo arm-acorn-riscix${UNAME_RELEASE}
 	exit ;;
     arm*:riscos:*:*|arm*:RISCOS:*:*)
 	echo arm-unknown-riscos
@@ -387,38 +331,38 @@ case "$UNAME_MACHINE:$UNAME_SYSTEM:$UNAME_RELEASE:$UNAME_VERSION" in
 	    sparc) echo sparc-icl-nx7; exit ;;
 	esac ;;
     s390x:SunOS:*:*)
-	echo "$UNAME_MACHINE"-ibm-solaris2"`echo "$UNAME_RELEASE" | sed -e 's/[^.]*//'`"
+	echo ${UNAME_MACHINE}-ibm-solaris2`echo ${UNAME_RELEASE}|sed -e 's/[^.]*//'`
 	exit ;;
     sun4H:SunOS:5.*:*)
-	echo sparc-hal-solaris2"`echo "$UNAME_RELEASE"|sed -e 's/[^.]*//'`"
+	echo sparc-hal-solaris2`echo ${UNAME_RELEASE}|sed -e 's/[^.]*//'`
 	exit ;;
     sun4*:SunOS:5.*:* | tadpole*:SunOS:5.*:*)
-	echo sparc-sun-solaris2"`echo "$UNAME_RELEASE" | sed -e 's/[^.]*//'`"
+	echo sparc-sun-solaris2`echo ${UNAME_RELEASE}|sed -e 's/[^.]*//'`
 	exit ;;
     i86pc:AuroraUX:5.*:* | i86xen:AuroraUX:5.*:*)
-	echo i386-pc-auroraux"$UNAME_RELEASE"
+	echo i386-pc-auroraux${UNAME_RELEASE}
 	exit ;;
     i86pc:SunOS:5.*:* | i86xen:SunOS:5.*:*)
-	set_cc_for_build
-	SUN_ARCH=i386
+	eval $set_cc_for_build
+	SUN_ARCH="i386"
 	# If there is a compiler, see if it is configured for 64-bit objects.
 	# Note that the Sun cc does not turn __LP64__ into 1 like gcc does.
 	# This test works for both compilers.
-	if [ "$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) | \
+		(CCOPTS= $CC_FOR_BUILD -E - 2>/dev/null) | \
 		grep IS_64BIT_ARCH >/dev/null
 	    then
-		SUN_ARCH=x86_64
+		SUN_ARCH="x86_64"
 	    fi
 	fi
-	echo "$SUN_ARCH"-pc-solaris2"`echo "$UNAME_RELEASE"|sed -e 's/[^.]*//'`"
+	echo ${SUN_ARCH}-pc-solaris2`echo ${UNAME_RELEASE}|sed -e 's/[^.]*//'`
 	exit ;;
     sun4*:SunOS:6*:*)
 	# According to config.sub, this is the proper way to canonicalize
 	# SunOS6.  Hard to guess exactly what SunOS6 will be like, but
 	# it's likely to be more like Solaris than SunOS4.
-	echo sparc-sun-solaris3"`echo "$UNAME_RELEASE"|sed -e 's/[^.]*//'`"
+	echo sparc-sun-solaris3`echo ${UNAME_RELEASE}|sed -e 's/[^.]*//'`
 	exit ;;
     sun4*:SunOS:*:*)
 	case "`/usr/bin/arch -k`" in
@@ -427,25 +371,25 @@ case "$UNAME_MACHINE:$UNAME_SYSTEM:$UNAME_RELEASE:$UNAME_VERSION" in
 		;;
 	esac
 	# Japanese Language versions have a version number like `4.1.3-JL'.
-	echo sparc-sun-sunos"`echo "$UNAME_RELEASE"|sed -e 's/-/_/'`"
+	echo sparc-sun-sunos`echo ${UNAME_RELEASE}|sed -e 's/-/_/'`
 	exit ;;
     sun3*:SunOS:*:*)
-	echo m68k-sun-sunos"$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
+	test "x${UNAME_RELEASE}" = "x" && UNAME_RELEASE=3
 	case "`/bin/arch`" in
 	    sun3)
-		echo m68k-sun-sunos"$UNAME_RELEASE"
+		echo m68k-sun-sunos${UNAME_RELEASE}
 		;;
 	    sun4)
-		echo sparc-sun-sunos"$UNAME_RELEASE"
+		echo sparc-sun-sunos${UNAME_RELEASE}
 		;;
 	esac
 	exit ;;
     aushp:SunOS:*:*)
-	echo sparc-auspex-sunos"$UNAME_RELEASE"
+	echo sparc-auspex-sunos${UNAME_RELEASE}
 	exit ;;
     # The situation for MiNT is a little confusing.  The machine name
     # can be virtually everything (everything which is not
@@ -456,44 +400,44 @@ case "$UNAME_MACHINE:$UNAME_SYSTEM:$UNAME_RELEASE:$UNAME_VERSION" in
     # MiNT.  But MiNT is downward compatible to TOS, so this should
     # be no problem.
     atarist[e]:*MiNT:*:* | atarist[e]:*mint:*:* | atarist[e]:*TOS:*:*)
-	echo m68k-atari-mint"$UNAME_RELEASE"
+	echo m68k-atari-mint${UNAME_RELEASE}
 	exit ;;
     atari*:*MiNT:*:* | atari*:*mint:*:* | atarist[e]:*TOS:*:*)
-	echo m68k-atari-mint"$UNAME_RELEASE"
+	echo m68k-atari-mint${UNAME_RELEASE}
 	exit ;;
     *falcon*:*MiNT:*:* | *falcon*:*mint:*:* | *falcon*:*TOS:*:*)
-	echo m68k-atari-mint"$UNAME_RELEASE"
+	echo m68k-atari-mint${UNAME_RELEASE}
 	exit ;;
     milan*:*MiNT:*:* | milan*:*mint:*:* | *milan*:*TOS:*:*)
-	echo m68k-milan-mint"$UNAME_RELEASE"
+	echo m68k-milan-mint${UNAME_RELEASE}
 	exit ;;
     hades*:*MiNT:*:* | hades*:*mint:*:* | *hades*:*TOS:*:*)
-	echo m68k-hades-mint"$UNAME_RELEASE"
+	echo m68k-hades-mint${UNAME_RELEASE}
 	exit ;;
     *:*MiNT:*:* | *:*mint:*:* | *:*TOS:*:*)
-	echo m68k-unknown-mint"$UNAME_RELEASE"
+	echo m68k-unknown-mint${UNAME_RELEASE}
 	exit ;;
     m68k:machten:*:*)
-	echo m68k-apple-machten"$UNAME_RELEASE"
+	echo m68k-apple-machten${UNAME_RELEASE}
 	exit ;;
     powerpc:machten:*:*)
-	echo powerpc-apple-machten"$UNAME_RELEASE"
+	echo powerpc-apple-machten${UNAME_RELEASE}
 	exit ;;
     RISC*:Mach:*:*)
 	echo mips-dec-mach_bsd4.3
 	exit ;;
     RISC*:ULTRIX:*:*)
-	echo mips-dec-ultrix"$UNAME_RELEASE"
+	echo mips-dec-ultrix${UNAME_RELEASE}
 	exit ;;
     VAX*:ULTRIX*:*:*)
-	echo vax-dec-ultrix"$UNAME_RELEASE"
+	echo vax-dec-ultrix${UNAME_RELEASE}
 	exit ;;
     2020:CLIX:*:* | 2430:CLIX:*:*)
-	echo clipper-intergraph-clix"$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[]) {
@@ -502,23 +446,23 @@ 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; }
-	echo mips-mips-riscos"$UNAME_RELEASE"
+	echo mips-mips-riscos${UNAME_RELEASE}
 	exit ;;
     Motorola:PowerMAX_OS:*:*)
 	echo powerpc-motorola-powermax
@@ -544,17 +488,17 @@ EOF
     AViiON:dgux:*:*)
 	# DG/UX returns AViiON for all architectures
 	UNAME_PROCESSOR=`/usr/bin/uname -p`
-	if [ "$UNAME_PROCESSOR" = mc88100 ] || [ "$UNAME_PROCESSOR" = mc88110 ]
+	if [ $UNAME_PROCESSOR = mc88100 ] || [ $UNAME_PROCESSOR = mc88110 ]
 	then
-	    if [ "$TARGET_BINARY_INTERFACE"x = m88kdguxelfx ] || \
-	       [ "$TARGET_BINARY_INTERFACE"x = x ]
+	    if [ ${TARGET_BINARY_INTERFACE}x = m88kdguxelfx ] || \
+	       [ ${TARGET_BINARY_INTERFACE}x = x ]
 	    then
-		echo m88k-dg-dgux"$UNAME_RELEASE"
+		echo m88k-dg-dgux${UNAME_RELEASE}
 	    else
-		echo m88k-dg-dguxbcs"$UNAME_RELEASE"
+		echo m88k-dg-dguxbcs${UNAME_RELEASE}
 	    fi
 	else
-	    echo i586-dg-dgux"$UNAME_RELEASE"
+	    echo i586-dg-dgux${UNAME_RELEASE}
 	fi
 	exit ;;
     M88*:DolphinOS:*:*)	# DolphinOS (SVR3)
@@ -571,7 +515,7 @@ EOF
 	echo m68k-tektronix-bsd
 	exit ;;
     *:IRIX*:*:*)
-	echo mips-sgi-irix"`echo "$UNAME_RELEASE"|sed -e 's/-/_/g'`"
+	echo mips-sgi-irix`echo ${UNAME_RELEASE}|sed -e 's/-/_/g'`
 	exit ;;
     ????????:AIX?:[12].1:2)   # AIX 2.2.1 or AIX 2.1.1 is RT/PC AIX.
 	echo romp-ibm-aix     # uname -m gives an 8 hex-code CPU id
@@ -583,14 +527,14 @@ EOF
 	if [ -x /usr/bin/oslevel ] ; then
 		IBM_REV=`/usr/bin/oslevel`
 	else
-		IBM_REV="$UNAME_VERSION.$UNAME_RELEASE"
+		IBM_REV=${UNAME_VERSION}.${UNAME_RELEASE}
 	fi
-	echo "$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()
@@ -601,7 +545,7 @@ 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
 			echo "$SYSTEM_NAME"
 		else
@@ -615,27 +559,26 @@ EOF
 	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 [ -x /usr/bin/lslpp ] ; then
-		IBM_REV=`/usr/bin/lslpp -Lqc bos.rte.libc |
-			   awk -F: '{ print $3 }' | sed s/[0-9]*$/0/`
+	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
-	echo "$IBM_ARCH"-ibm-aix"$IBM_REV"
+	echo ${IBM_ARCH}-ibm-aix${IBM_REV}
 	exit ;;
     *:AIX:*:*)
 	echo rs6000-ibm-aix
 	exit ;;
-    ibmrt:4.4BSD:*|romp-ibm:4.4BSD:*)
+    ibmrt:4.4BSD:*|romp-ibm:BSD:*)
 	echo romp-ibm-bsd4.4
 	exit ;;
     ibmrt:*BSD:*|romp-ibm:BSD:*)            # covers RT/PC BSD and
-	echo romp-ibm-bsd"$UNAME_RELEASE"   # 4.3 with uname added to
+	echo romp-ibm-bsd${UNAME_RELEASE}   # 4.3 with uname added to
 	exit ;;                             # report: romp-ibm BSD 4.3
     *:BOSX:*:*)
 	echo rs6000-bull-bosx
@@ -650,28 +593,28 @@ EOF
 	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 [ -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 "$sc_cpu_version" in
-		      523) HP_ARCH=hppa1.0 ;; # CPU_PA_RISC1_0
-		      528) HP_ARCH=hppa1.1 ;; # CPU_PA_RISC1_1
+		    case "${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 "$sc_kernel_bits" in
-			  32) HP_ARCH=hppa2.0n ;;
-			  64) HP_ARCH=hppa2.0w ;;
-			  '') HP_ARCH=hppa2.0 ;;   # HP-UX 10.20
+			case "${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 [ "$HP_ARCH" = "" ]; then
-		    set_cc_for_build
-		    sed 's/^		//' << EOF > "$dummy.c"
+		if [ "${HP_ARCH}" = "" ]; then
+		    eval $set_cc_for_build
+		    sed 's/^		//' << EOF >$dummy.c
 
 		#define _HPUX_SOURCE
 		#include <stdlib.h>
@@ -704,13 +647,13 @@ 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 "$HP_ARCH" && HP_ARCH=hppa
 		fi ;;
 	esac
-	if [ "$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
@@ -721,23 +664,23 @@ EOF
 	    # $ CC_FOR_BUILD="cc +DA2.0w" ./config.guess
 	    # => hppa64-hp-hpux11.23
 
-	    if echo __LP64__ | (CCOPTS="" $CC_FOR_BUILD -E - 2>/dev/null) |
+	    if echo __LP64__ | (CCOPTS= $CC_FOR_BUILD -E - 2>/dev/null) |
 		grep -q __LP64__
 	    then
-		HP_ARCH=hppa2.0w
+		HP_ARCH="hppa2.0w"
 	    else
-		HP_ARCH=hppa64
+		HP_ARCH="hppa64"
 	    fi
 	fi
-	echo "$HP_ARCH"-hp-hpux"$HPUX_REV"
+	echo ${HP_ARCH}-hp-hpux${HPUX_REV}
 	exit ;;
     ia64:HP-UX:*:*)
-	HPUX_REV=`echo "$UNAME_RELEASE"|sed -e 's/[^.]*.[0B]*//'`
-	echo ia64-hp-hpux"$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 ()
@@ -762,11 +705,11 @@ 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 "$SYSTEM_NAME"; exit; }
 	echo unknown-hitachi-hiuxwe2
 	exit ;;
-    9000/7??:4.3bsd:*:* | 9000/8?[79]:4.3bsd:*:*)
+    9000/7??:4.3bsd:*:* | 9000/8?[79]:4.3bsd:*:* )
 	echo hppa1.1-hp-bsd
 	exit ;;
     9000/8??:4.3bsd:*:*)
@@ -775,7 +718,7 @@ EOF
     *9??*:MPE/iX:*:* | *3000*:MPE/iX:*:*)
 	echo hppa1.0-hp-mpeix
 	exit ;;
-    hp7??:OSF1:*:* | hp8?[79]:OSF1:*:*)
+    hp7??:OSF1:*:* | hp8?[79]:OSF1:*:* )
 	echo hppa1.1-hp-osf
 	exit ;;
     hp8??:OSF1:*:*)
@@ -783,9 +726,9 @@ EOF
 	exit ;;
     i*86:OSF1:*:*)
 	if [ -x /usr/sbin/sysversion ] ; then
-	    echo "$UNAME_MACHINE"-unknown-osf1mk
+	    echo ${UNAME_MACHINE}-unknown-osf1mk
 	else
-	    echo "$UNAME_MACHINE"-unknown-osf1
+	    echo ${UNAME_MACHINE}-unknown-osf1
 	fi
 	exit ;;
     parisc*:Lites*:*:*)
@@ -810,123 +753,130 @@ EOF
 	echo c4-convex-bsd
 	exit ;;
     CRAY*Y-MP:*:*:*)
-	echo ymp-cray-unicos"$UNAME_RELEASE" | sed -e 's/\.[^.]*$/.X/'
+	echo ymp-cray-unicos${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/\.[^.]*$/.X/'
 	exit ;;
     CRAY*TS:*:*:*)
-	echo t90-cray-unicos"$UNAME_RELEASE" | sed -e 's/\.[^.]*$/.X/'
+	echo t90-cray-unicos${UNAME_RELEASE} | sed -e 's/\.[^.]*$/.X/'
 	exit ;;
     CRAY*T3E:*:*:*)
-	echo alphaev5-cray-unicosmk"$UNAME_RELEASE" | sed -e 's/\.[^.]*$/.X/'
+	echo alphaev5-cray-unicosmk${UNAME_RELEASE} | sed -e 's/\.[^.]*$/.X/'
 	exit ;;
     CRAY*SV1:*:*:*)
-	echo sv1-cray-unicos"$UNAME_RELEASE" | sed -e 's/\.[^.]*$/.X/'
+	echo sv1-cray-unicos${UNAME_RELEASE} | sed -e 's/\.[^.]*$/.X/'
 	exit ;;
     *:UNICOS/mp:*:*)
-	echo craynv-cray-unicosmp"$UNAME_RELEASE" | sed -e 's/\.[^.]*$/.X/'
+	echo craynv-cray-unicosmp${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/ /_/'`
+	FUJITSU_PROC=`uname -m | tr 'ABCDEFGHIJKLMNOPQRSTUVWXYZ' 'abcdefghijklmnopqrstuvwxyz'`
+	FUJITSU_SYS=`uname -p | tr 'ABCDEFGHIJKLMNOPQRSTUVWXYZ' 'abcdefghijklmnopqrstuvwxyz' | sed -e 's/\///'`
+	FUJITSU_REL=`echo ${UNAME_RELEASE} | sed -e 's/ /_/'`
 	echo "${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/ /_/'`
+	FUJITSU_SYS=`uname -p | tr 'ABCDEFGHIJKLMNOPQRSTUVWXYZ' 'abcdefghijklmnopqrstuvwxyz' | sed -e 's/\///'`
+	FUJITSU_REL=`echo ${UNAME_RELEASE} | tr 'ABCDEFGHIJKLMNOPQRSTUVWXYZ' 'abcdefghijklmnopqrstuvwxyz' | sed -e 's/ /_/'`
 	echo "sparc-fujitsu-${FUJITSU_SYS}${FUJITSU_REL}"
 	exit ;;
     i*86:BSD/386:*:* | i*86:BSD/OS:*:* | *:Ascend\ Embedded/OS:*:*)
-	echo "$UNAME_MACHINE"-pc-bsdi"$UNAME_RELEASE"
+	echo ${UNAME_MACHINE}-pc-bsdi${UNAME_RELEASE}
 	exit ;;
     sparc*:BSD/OS:*:*)
-	echo sparc-unknown-bsdi"$UNAME_RELEASE"
+	echo sparc-unknown-bsdi${UNAME_RELEASE}
 	exit ;;
     *:BSD/OS:*:*)
-	echo "$UNAME_MACHINE"-unknown-bsdi"$UNAME_RELEASE"
-	exit ;;
-    arm:FreeBSD:*:*)
-	UNAME_PROCESSOR=`uname -p`
-	set_cc_for_build
-	if echo __ARM_PCS_VFP | $CC_FOR_BUILD -E - 2>/dev/null \
-	    | grep -q __ARM_PCS_VFP
-	then
-	    echo "${UNAME_PROCESSOR}"-unknown-freebsd"`echo ${UNAME_RELEASE}|sed -e 's/[-(].*//'`"-gnueabi
-	else
-	    echo "${UNAME_PROCESSOR}"-unknown-freebsd"`echo ${UNAME_RELEASE}|sed -e 's/[-(].*//'`"-gnueabihf
-	fi
+	echo ${UNAME_MACHINE}-unknown-bsdi${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 ;;
+		echo x86_64-unknown-freebsd`echo ${UNAME_RELEASE}|sed -e 's/[-(].*//'` ;;
+	    *)
+		echo ${UNAME_PROCESSOR}-unknown-freebsd`echo ${UNAME_RELEASE}|sed -e 's/[-(].*//'` ;;
 	esac
-	echo "$UNAME_PROCESSOR"-unknown-freebsd"`echo "$UNAME_RELEASE"|sed -e 's/[-(].*//'`"
 	exit ;;
     i*:CYGWIN*:*)
-	echo "$UNAME_MACHINE"-pc-cygwin
+	echo ${UNAME_MACHINE}-pc-cygwin
 	exit ;;
     *:MINGW64*:*)
-	echo "$UNAME_MACHINE"-pc-mingw64
+	echo ${UNAME_MACHINE}-pc-mingw64
 	exit ;;
     *:MINGW*:*)
-	echo "$UNAME_MACHINE"-pc-mingw32
+	echo ${UNAME_MACHINE}-pc-mingw32
+	exit ;;
+    i*:MSYS*:*)
+	echo ${UNAME_MACHINE}-pc-msys
 	exit ;;
-    *:MSYS*:*)
-	echo "$UNAME_MACHINE"-pc-msys
+    i*:windows32*:*)
+	# uname -m includes "-pc" on this system.
+	echo ${UNAME_MACHINE}-mingw32
 	exit ;;
     i*:PW*:*)
-	echo "$UNAME_MACHINE"-pc-pw32
+	echo ${UNAME_MACHINE}-pc-pw32
 	exit ;;
     *:Interix*:*)
-	case "$UNAME_MACHINE" in
+	case ${UNAME_MACHINE} in
 	    x86)
-		echo i586-pc-interix"$UNAME_RELEASE"
+		echo i586-pc-interix${UNAME_RELEASE}
 		exit ;;
 	    authenticamd | genuineintel | EM64T)
-		echo x86_64-unknown-interix"$UNAME_RELEASE"
+		echo x86_64-unknown-interix${UNAME_RELEASE}
 		exit ;;
 	    IA64)
-		echo ia64-unknown-interix"$UNAME_RELEASE"
+		echo ia64-unknown-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*:*)
-	echo "$UNAME_MACHINE"-pc-uwin
+	echo ${UNAME_MACHINE}-pc-uwin
 	exit ;;
     amd64:CYGWIN*:*:* | x86_64:CYGWIN*:*:*)
-	echo x86_64-pc-cygwin
+	echo x86_64-unknown-cygwin
+	exit ;;
+    p*:CYGWIN*:*)
+	echo powerpcle-unknown-cygwin
 	exit ;;
     prep*:SunOS:5.*:*)
-	echo powerpcle-unknown-solaris2"`echo "$UNAME_RELEASE"|sed -e 's/[^.]*//'`"
+	echo powerpcle-unknown-solaris2`echo ${UNAME_RELEASE}|sed -e 's/[^.]*//'`
 	exit ;;
     *:GNU:*:*)
 	# the GNU system
-	echo "`echo "$UNAME_MACHINE"|sed -e 's,[-/].*$,,'`-unknown-$LIBC`echo "$UNAME_RELEASE"|sed -e 's,/.*$,,'`"
+	echo `echo ${UNAME_MACHINE}|sed -e 's,[-/].*$,,'`-unknown-gnu`echo ${UNAME_RELEASE}|sed -e 's,/.*$,,'`
 	exit ;;
     *:GNU/*:*:*)
 	# other systems with GNU libc and userland
-	echo "$UNAME_MACHINE-unknown-`echo "$UNAME_SYSTEM" | sed 's,^[^/]*/,,' | tr "[:upper:]" "[:lower:]"``echo "$UNAME_RELEASE"|sed -e 's/[-(].*//'`-$LIBC"
+	echo ${UNAME_MACHINE}-unknown-`echo ${UNAME_SYSTEM} | sed 's,^[^/]*/,,' | tr '[A-Z]' '[a-z]'``echo ${UNAME_RELEASE}|sed -e 's/[-(].*//'`-gnu
 	exit ;;
-    *:Minix:*:*)
-	echo "$UNAME_MACHINE"-unknown-minix
+    i*86:Minix:*:*)
+	echo ${UNAME_MACHINE}-pc-minix
 	exit ;;
     aarch64:Linux:*:*)
-	echo "$UNAME_MACHINE"-unknown-linux-"$LIBC"
+	echo ${UNAME_MACHINE}-unknown-linux-gnu
 	exit ;;
     aarch64_be:Linux:*:*)
 	UNAME_MACHINE=aarch64_be
-	echo "$UNAME_MACHINE"-unknown-linux-"$LIBC"
+	echo ${UNAME_MACHINE}-unknown-linux-gnu
 	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 ;;
@@ -936,169 +886,125 @@ EOF
 	  EV68*) UNAME_MACHINE=alphaev68 ;;
 	esac
 	objdump --private-headers /bin/sh | grep -q ld.so.1
-	if test "$?" = 0 ; then LIBC=gnulibc1 ; fi
-	echo "$UNAME_MACHINE"-unknown-linux-"$LIBC"
-	exit ;;
-    arc:Linux:*:* | arceb:Linux:*:*)
-	echo "$UNAME_MACHINE"-unknown-linux-"$LIBC"
+	if test "$?" = 0 ; then LIBC="libc1" ; else LIBC="" ; fi
+	echo ${UNAME_MACHINE}-unknown-linux-gnu${LIBC}
 	exit ;;
     arm*:Linux:*:*)
-	set_cc_for_build
+	eval $set_cc_for_build
 	if echo __ARM_EABI__ | $CC_FOR_BUILD -E - 2>/dev/null \
 	    | grep -q __ARM_EABI__
 	then
-	    echo "$UNAME_MACHINE"-unknown-linux-"$LIBC"
+	    echo ${UNAME_MACHINE}-unknown-linux-gnu
 	else
 	    if echo __ARM_PCS_VFP | $CC_FOR_BUILD -E - 2>/dev/null \
 		| grep -q __ARM_PCS_VFP
 	    then
-		echo "$UNAME_MACHINE"-unknown-linux-"$LIBC"eabi
+		echo ${UNAME_MACHINE}-unknown-linux-gnueabi
 	    else
-		echo "$UNAME_MACHINE"-unknown-linux-"$LIBC"eabihf
+		echo ${UNAME_MACHINE}-unknown-linux-gnueabihf
 	    fi
 	fi
 	exit ;;
     avr32*:Linux:*:*)
-	echo "$UNAME_MACHINE"-unknown-linux-"$LIBC"
+	echo ${UNAME_MACHINE}-unknown-linux-gnu
 	exit ;;
     cris:Linux:*:*)
-	echo "$UNAME_MACHINE"-axis-linux-"$LIBC"
+	echo ${UNAME_MACHINE}-axis-linux-gnu
 	exit ;;
     crisv32:Linux:*:*)
-	echo "$UNAME_MACHINE"-axis-linux-"$LIBC"
-	exit ;;
-    e2k:Linux:*:*)
-	echo "$UNAME_MACHINE"-unknown-linux-"$LIBC"
+	echo ${UNAME_MACHINE}-axis-linux-gnu
 	exit ;;
     frv:Linux:*:*)
-	echo "$UNAME_MACHINE"-unknown-linux-"$LIBC"
+	echo ${UNAME_MACHINE}-unknown-linux-gnu
 	exit ;;
     hexagon:Linux:*:*)
-	echo "$UNAME_MACHINE"-unknown-linux-"$LIBC"
+	echo ${UNAME_MACHINE}-unknown-linux-gnu
 	exit ;;
     i*86:Linux:*:*)
-	echo "$UNAME_MACHINE"-pc-linux-"$LIBC"
+	LIBC=gnu
+	eval $set_cc_for_build
+	sed 's/^	//' << EOF >$dummy.c
+	#ifdef __dietlibc__
+	LIBC=dietlibc
+	#endif
+EOF
+	eval `$CC_FOR_BUILD -E $dummy.c 2>/dev/null | grep '^LIBC'`
+	echo "${UNAME_MACHINE}-pc-linux-${LIBC}"
 	exit ;;
     ia64:Linux:*:*)
-	echo "$UNAME_MACHINE"-unknown-linux-"$LIBC"
-	exit ;;
-    k1om:Linux:*:*)
-	echo "$UNAME_MACHINE"-unknown-linux-"$LIBC"
+	echo ${UNAME_MACHINE}-unknown-linux-gnu
 	exit ;;
     m32r*:Linux:*:*)
-	echo "$UNAME_MACHINE"-unknown-linux-"$LIBC"
+	echo ${UNAME_MACHINE}-unknown-linux-gnu
 	exit ;;
     m68*:Linux:*:*)
-	echo "$UNAME_MACHINE"-unknown-linux-"$LIBC"
+	echo ${UNAME_MACHINE}-unknown-linux-gnu
 	exit ;;
     mips:Linux:*:* | mips64:Linux:*:*)
-	set_cc_for_build
-	IS_GLIBC=0
-	test x"${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=${UNAME_MACHINE}
 	#else
-	MIPS_ENDIAN=
+	CPU=
 	#endif
 	#endif
 EOF
-	eval "`$CC_FOR_BUILD -E "$dummy.c" 2>/dev/null | grep '^CPU\|^MIPS_ENDIAN\|^LIBCABI'`"
-	test "x$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 "${CPU}-unknown-linux-gnu"; exit; }
 	;;
-    mips64el:Linux:*:*)
-	echo "$UNAME_MACHINE"-unknown-linux-"$LIBC"
-	exit ;;
-    openrisc*:Linux:*:*)
-	echo or1k-unknown-linux-"$LIBC"
-	exit ;;
-    or32:Linux:*:* | or1k*:Linux:*:*)
-	echo "$UNAME_MACHINE"-unknown-linux-"$LIBC"
+    or32:Linux:*:*)
+	echo ${UNAME_MACHINE}-unknown-linux-gnu
 	exit ;;
     padre:Linux:*:*)
-	echo sparc-unknown-linux-"$LIBC"
+	echo sparc-unknown-linux-gnu
 	exit ;;
     parisc64:Linux:*:* | hppa64:Linux:*:*)
-	echo hppa64-unknown-linux-"$LIBC"
+	echo hppa64-unknown-linux-gnu
 	exit ;;
     parisc:Linux:*:* | hppa:Linux:*:*)
 	# Look for CPU level
 	case `grep '^cpu[^a-z]*:' /proc/cpuinfo 2>/dev/null | cut -d' ' -f2` in
-	  PA7*) echo hppa1.1-unknown-linux-"$LIBC" ;;
-	  PA8*) echo hppa2.0-unknown-linux-"$LIBC" ;;
-	  *)    echo hppa-unknown-linux-"$LIBC" ;;
+	  PA7*) echo hppa1.1-unknown-linux-gnu ;;
+	  PA8*) echo hppa2.0-unknown-linux-gnu ;;
+	  *)    echo hppa-unknown-linux-gnu ;;
 	esac
 	exit ;;
     ppc64:Linux:*:*)
-	echo powerpc64-unknown-linux-"$LIBC"
+	echo powerpc64-unknown-linux-gnu
 	exit ;;
     ppc:Linux:*:*)
-	echo powerpc-unknown-linux-"$LIBC"
-	exit ;;
-    ppc64le:Linux:*:*)
-	echo powerpc64le-unknown-linux-"$LIBC"
-	exit ;;
-    ppcle:Linux:*:*)
-	echo powerpcle-unknown-linux-"$LIBC"
-	exit ;;
-    riscv32:Linux:*:* | riscv64:Linux:*:*)
-	echo "$UNAME_MACHINE"-unknown-linux-"$LIBC"
+	echo powerpc-unknown-linux-gnu
 	exit ;;
     s390:Linux:*:* | s390x:Linux:*:*)
-	echo "$UNAME_MACHINE"-ibm-linux-"$LIBC"
+	echo ${UNAME_MACHINE}-ibm-linux
 	exit ;;
     sh64*:Linux:*:*)
-	echo "$UNAME_MACHINE"-unknown-linux-"$LIBC"
+	echo ${UNAME_MACHINE}-unknown-linux-gnu
 	exit ;;
     sh*:Linux:*:*)
-	echo "$UNAME_MACHINE"-unknown-linux-"$LIBC"
+	echo ${UNAME_MACHINE}-unknown-linux-gnu
 	exit ;;
     sparc:Linux:*:* | sparc64:Linux:*:*)
-	echo "$UNAME_MACHINE"-unknown-linux-"$LIBC"
+	echo ${UNAME_MACHINE}-unknown-linux-gnu
 	exit ;;
     tile*:Linux:*:*)
-	echo "$UNAME_MACHINE"-unknown-linux-"$LIBC"
+	echo ${UNAME_MACHINE}-unknown-linux-gnu
 	exit ;;
     vax:Linux:*:*)
-	echo "$UNAME_MACHINE"-dec-linux-"$LIBC"
+	echo ${UNAME_MACHINE}-dec-linux-gnu
 	exit ;;
     x86_64:Linux:*:*)
-	echo "$UNAME_MACHINE"-pc-linux-"$LIBC"
+	echo ${UNAME_MACHINE}-unknown-linux-gnu
 	exit ;;
     xtensa*:Linux:*:*)
-	echo "$UNAME_MACHINE"-unknown-linux-"$LIBC"
+	echo ${UNAME_MACHINE}-unknown-linux-gnu
 	exit ;;
     i*86:DYNIX/ptx:4*:*)
 	# ptx 4.0 does uname -s correctly, with DYNIX/ptx in there.
@@ -1112,34 +1018,34 @@ EOF
 	# I am not positive that other SVR4 systems won't match this,
 	# I just have to hope.  -- rms.
 	# Use sysv4.2uw... so that sysv4* matches it.
-	echo "$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.
-	echo "$UNAME_MACHINE"-pc-os2-emx
+	echo ${UNAME_MACHINE}-pc-os2-emx
 	exit ;;
     i*86:XTS-300:*:STOP)
-	echo "$UNAME_MACHINE"-unknown-stop
+	echo ${UNAME_MACHINE}-unknown-stop
 	exit ;;
     i*86:atheos:*:*)
-	echo "$UNAME_MACHINE"-unknown-atheos
+	echo ${UNAME_MACHINE}-unknown-atheos
 	exit ;;
     i*86:syllable:*:*)
-	echo "$UNAME_MACHINE"-pc-syllable
+	echo ${UNAME_MACHINE}-pc-syllable
 	exit ;;
     i*86:LynxOS:2.*:* | i*86:LynxOS:3.[01]*:* | i*86:LynxOS:4.[02]*:*)
-	echo i386-unknown-lynxos"$UNAME_RELEASE"
+	echo i386-unknown-lynxos${UNAME_RELEASE}
 	exit ;;
     i*86:*DOS:*:*)
-	echo "$UNAME_MACHINE"-pc-msdosdjgpp
+	echo ${UNAME_MACHINE}-pc-msdosdjgpp
 	exit ;;
-    i*86:*:4.*:*)
-	UNAME_REL=`echo "$UNAME_RELEASE" | sed 's/\/MP$//'`
+    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
-		echo "$UNAME_MACHINE"-univel-sysv"$UNAME_REL"
+		echo ${UNAME_MACHINE}-univel-sysv${UNAME_REL}
 	else
-		echo "$UNAME_MACHINE"-pc-sysv"$UNAME_REL"
+		echo ${UNAME_MACHINE}-pc-sysv${UNAME_REL}
 	fi
 	exit ;;
     i*86:*:5:[678]*)
@@ -1149,12 +1055,12 @@ EOF
 	    *Pentium)	     UNAME_MACHINE=i586 ;;
 	    *Pent*|*Celeron) UNAME_MACHINE=i686 ;;
 	esac
-	echo "$UNAME_MACHINE-unknown-sysv${UNAME_RELEASE}${UNAME_SYSTEM}${UNAME_VERSION}"
+	echo ${UNAME_MACHINE}-unknown-sysv${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`
-		echo "$UNAME_MACHINE"-pc-isc"$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
@@ -1164,9 +1070,9 @@ EOF
 			&& UNAME_MACHINE=i686
 		(/bin/uname -X|grep '^Machine.*Pentium Pro' >/dev/null) \
 			&& UNAME_MACHINE=i686
-		echo "$UNAME_MACHINE"-pc-sco"$UNAME_REL"
+		echo ${UNAME_MACHINE}-pc-sco$UNAME_REL
 	else
-		echo "$UNAME_MACHINE"-pc-sysv32
+		echo ${UNAME_MACHINE}-pc-sysv32
 	fi
 	exit ;;
     pc:*:*:*)
@@ -1174,7 +1080,7 @@ EOF
 	# uname -m prints for DJGPP always 'pc', but it prints nothing about
 	# the processor, so we play safe by assuming i586.
 	# Note: whatever this is, it MUST be the same as what config.sub
-	# prints for the "djgpp" host, or else GDB configure will decide that
+	# prints for the "djgpp" host, or else GDB configury will decide that
 	# this is a cross-build.
 	echo i586-pc-msdosdjgpp
 	exit ;;
@@ -1186,9 +1092,9 @@ EOF
 	exit ;;
     i860:*:4.*:*) # i860-SVR4
 	if grep Stardent /usr/include/sys/uadmin.h >/dev/null 2>&1 ; then
-	  echo i860-stardent-sysv"$UNAME_RELEASE" # Stardent Vistra i860-SVR4
+	  echo i860-stardent-sysv${UNAME_RELEASE} # Stardent Vistra i860-SVR4
 	else # Add other i860-SVR4 vendors below as they are discovered.
-	  echo i860-unknown-sysv"$UNAME_RELEASE"  # Unknown i860-SVR4
+	  echo i860-unknown-sysv${UNAME_RELEASE}  # Unknown i860-SVR4
 	fi
 	exit ;;
     mini*:CTIX:SYS*5:*)
@@ -1208,9 +1114,9 @@ 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; } ;;
@@ -1219,28 +1125,28 @@ 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*:*)
-	echo m68k-unknown-lynxos"$UNAME_RELEASE"
+	echo m68k-unknown-lynxos${UNAME_RELEASE}
 	exit ;;
     mc68030:UNIX_System_V:4.*:*)
 	echo m68k-atari-sysv4
 	exit ;;
     TSUNAMI:LynxOS:2.*:*)
-	echo sparc-unknown-lynxos"$UNAME_RELEASE"
+	echo sparc-unknown-lynxos${UNAME_RELEASE}
 	exit ;;
     rs6000:LynxOS:2.*:*)
-	echo rs6000-unknown-lynxos"$UNAME_RELEASE"
+	echo rs6000-unknown-lynxos${UNAME_RELEASE}
 	exit ;;
     PowerPC:LynxOS:2.*:* | PowerPC:LynxOS:3.[01]*:* | PowerPC:LynxOS:4.[02]*:*)
-	echo powerpc-unknown-lynxos"$UNAME_RELEASE"
+	echo powerpc-unknown-lynxos${UNAME_RELEASE}
 	exit ;;
     SM[BE]S:UNIX_SV:*:*)
-	echo mips-dde-sysv"$UNAME_RELEASE"
+	echo mips-dde-sysv${UNAME_RELEASE}
 	exit ;;
     RM*:ReliantUNIX-*:*:*)
 	echo mips-sni-sysv4
@@ -1251,7 +1157,7 @@ EOF
     *:SINIX-*:*:*)
 	if uname -p 2>/dev/null >/dev/null ; then
 		UNAME_MACHINE=`(uname -p) 2>/dev/null`
-		echo "$UNAME_MACHINE"-sni-sysv4
+		echo ${UNAME_MACHINE}-sni-sysv4
 	else
 		echo ns32k-sni-sysv
 	fi
@@ -1271,23 +1177,23 @@ EOF
 	exit ;;
     i*86:VOS:*:*)
 	# From Paul.Green@stratus.com.
-	echo "$UNAME_MACHINE"-stratus-vos
+	echo ${UNAME_MACHINE}-stratus-vos
 	exit ;;
     *:VOS:*:*)
 	# From Paul.Green@stratus.com.
 	echo hppa1.1-stratus-vos
 	exit ;;
     mc68*:A/UX:*:*)
-	echo m68k-apple-aux"$UNAME_RELEASE"
+	echo m68k-apple-aux${UNAME_RELEASE}
 	exit ;;
     news*:NEWS-OS:6*:*)
 	echo mips-sony-newsos6
 	exit ;;
     R[34]000:*System_V*:*:* | R4000:UNIX_SYSV:*:* | R*000:UNIX_SV:*:*)
 	if [ -d /usr/nec ]; then
-		echo mips-nec-sysv"$UNAME_RELEASE"
+		echo mips-nec-sysv${UNAME_RELEASE}
 	else
-		echo mips-unknown-sysv"$UNAME_RELEASE"
+		echo mips-unknown-sysv${UNAME_RELEASE}
 	fi
 	exit ;;
     BeBox:BeOS:*:*)	# BeOS running on hardware made by Be, PPC only.
@@ -1306,94 +1212,65 @@ EOF
 	echo x86_64-unknown-haiku
 	exit ;;
     SX-4:SUPER-UX:*:*)
-	echo sx4-nec-superux"$UNAME_RELEASE"
+	echo sx4-nec-superux${UNAME_RELEASE}
 	exit ;;
     SX-5:SUPER-UX:*:*)
-	echo sx5-nec-superux"$UNAME_RELEASE"
+	echo sx5-nec-superux${UNAME_RELEASE}
 	exit ;;
     SX-6:SUPER-UX:*:*)
-	echo sx6-nec-superux"$UNAME_RELEASE"
+	echo sx6-nec-superux${UNAME_RELEASE}
 	exit ;;
     SX-7:SUPER-UX:*:*)
-	echo sx7-nec-superux"$UNAME_RELEASE"
+	echo sx7-nec-superux${UNAME_RELEASE}
 	exit ;;
     SX-8:SUPER-UX:*:*)
-	echo sx8-nec-superux"$UNAME_RELEASE"
+	echo sx8-nec-superux${UNAME_RELEASE}
 	exit ;;
     SX-8R:SUPER-UX:*:*)
-	echo sx8r-nec-superux"$UNAME_RELEASE"
-	exit ;;
-    SX-ACE:SUPER-UX:*:*)
-	echo sxace-nec-superux"$UNAME_RELEASE"
+	echo sx8r-nec-superux${UNAME_RELEASE}
 	exit ;;
     Power*:Rhapsody:*:*)
-	echo powerpc-apple-rhapsody"$UNAME_RELEASE"
+	echo powerpc-apple-rhapsody${UNAME_RELEASE}
 	exit ;;
     *:Rhapsody:*:*)
-	echo "$UNAME_MACHINE"-apple-rhapsody"$UNAME_RELEASE"
+	echo ${UNAME_MACHINE}-apple-rhapsody${UNAME_RELEASE}
 	exit ;;
     *:Darwin:*:*)
-	UNAME_PROCESSOR=`uname -p`
+	UNAME_PROCESSOR=`uname -p` || UNAME_PROCESSOR=unknown
 	case $UNAME_PROCESSOR in
+	    i386)
+		eval $set_cc_for_build
+		if [ "$CC_FOR_BUILD" != 'no_compiler_found' ]; then
+		  if (echo '#ifdef __LP64__'; echo IS_64BIT_ARCH; echo '#endif') | \
+		      (CCOPTS= $CC_FOR_BUILD -E - 2>/dev/null) | \
+		      grep IS_64BIT_ARCH >/dev/null
+		  then
+		      UNAME_PROCESSOR="x86_64"
+		  fi
+		fi ;;
 	    unknown) UNAME_PROCESSOR=powerpc ;;
 	esac
-	if command -v xcode-select > /dev/null 2> /dev/null && \
-		! xcode-select --print-path > /dev/null 2> /dev/null ; then
-	    # Avoid executing cc if there is no toolchain installed as
-	    # cc will be a stub that puts up a graphical alert
-	    # prompting the user to install developer tools.
-	    CC_FOR_BUILD=no_compiler_found
-	else
-	    set_cc_for_build
-	fi
-	if [ "$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="" $CC_FOR_BUILD -E - 2>/dev/null) | \
-		   grep IS_PPC >/dev/null
-	    then
-		UNAME_PROCESSOR=powerpc
-	    fi
-	elif test "$UNAME_PROCESSOR" = i386 ; then
-	    # uname -m returns i386 or x86_64
-	    UNAME_PROCESSOR=$UNAME_MACHINE
-	fi
-	echo "$UNAME_PROCESSOR"-apple-darwin"$UNAME_RELEASE"
+	echo ${UNAME_PROCESSOR}-apple-darwin${UNAME_RELEASE}
 	exit ;;
     *:procnto*:*:* | *:QNX:[0123456789]*:*)
 	UNAME_PROCESSOR=`uname -p`
-	if test "$UNAME_PROCESSOR" = x86; then
+	if test "$UNAME_PROCESSOR" = "x86"; then
 		UNAME_PROCESSOR=i386
 		UNAME_MACHINE=pc
 	fi
-	echo "$UNAME_PROCESSOR"-"$UNAME_MACHINE"-nto-qnx"$UNAME_RELEASE"
+	echo ${UNAME_PROCESSOR}-${UNAME_MACHINE}-nto-qnx${UNAME_RELEASE}
 	exit ;;
     *:QNX:*:4*)
 	echo i386-pc-qnx
 	exit ;;
-    NEO-*:NONSTOP_KERNEL:*:*)
-	echo neo-tandem-nsk"$UNAME_RELEASE"
+    NEO-?:NONSTOP_KERNEL:*:*)
+	echo neo-tandem-nsk${UNAME_RELEASE}
 	exit ;;
     NSE-*:NONSTOP_KERNEL:*:*)
-	echo nse-tandem-nsk"$UNAME_RELEASE"
+	echo nse-tandem-nsk${UNAME_RELEASE}
 	exit ;;
-    NSR-*:NONSTOP_KERNEL:*:*)
-	echo nsr-tandem-nsk"$UNAME_RELEASE"
-	exit ;;
-    NSV-*:NONSTOP_KERNEL:*:*)
-	echo nsv-tandem-nsk"$UNAME_RELEASE"
-	exit ;;
-    NSX-*:NONSTOP_KERNEL:*:*)
-	echo nsx-tandem-nsk"$UNAME_RELEASE"
+    NSR-?:NONSTOP_KERNEL:*:*)
+	echo nsr-tandem-nsk${UNAME_RELEASE}
 	exit ;;
     *:NonStop-UX:*:*)
 	echo mips-compaq-nonstopux
@@ -1402,19 +1279,18 @@ EOF
 	echo bs2000-siemens-sysv
 	exit ;;
     DS/*:UNIX_System_V:*:*)
-	echo "$UNAME_MACHINE"-"$UNAME_SYSTEM"-"$UNAME_RELEASE"
+	echo ${UNAME_MACHINE}-${UNAME_SYSTEM}-${UNAME_RELEASE}
 	exit ;;
     *:Plan9:*:*)
 	# "uname -m" is not consistent, so use $cputype instead. 386
 	# is converted to i386 for consistency with other x86
 	# operating systems.
-	# shellcheck disable=SC2154
-	if test "$cputype" = 386; then
+	if test "$cputype" = "386"; then
 	    UNAME_MACHINE=i386
 	else
 	    UNAME_MACHINE="$cputype"
 	fi
-	echo "$UNAME_MACHINE"-unknown-plan9
+	echo ${UNAME_MACHINE}-unknown-plan9
 	exit ;;
     *:TOPS-10:*:*)
 	echo pdp10-unknown-tops10
@@ -1435,14 +1311,14 @@ EOF
 	echo pdp10-unknown-its
 	exit ;;
     SEI:*:*:SEIUX)
-	echo mips-sei-seiux"$UNAME_RELEASE"
+	echo mips-sei-seiux${UNAME_RELEASE}
 	exit ;;
     *:DragonFly:*:*)
-	echo "$UNAME_MACHINE"-unknown-dragonfly"`echo "$UNAME_RELEASE"|sed -e 's/[-(].*//'`"
+	echo ${UNAME_MACHINE}-unknown-dragonfly`echo ${UNAME_RELEASE}|sed -e 's/[-(].*//'`
 	exit ;;
     *:*VMS:*:*)
 	UNAME_MACHINE=`(uname -p) 2>/dev/null`
-	case "$UNAME_MACHINE" in
+	case "${UNAME_MACHINE}" in
 	    A*) echo alpha-dec-vms ; exit ;;
 	    I*) echo ia64-dec-vms ; exit ;;
 	    V*) echo vax-dec-vms ; exit ;;
@@ -1451,39 +1327,24 @@ EOF
 	echo i386-pc-xenix
 	exit ;;
     i*86:skyos:*:*)
-	echo "$UNAME_MACHINE"-pc-skyos"`echo "$UNAME_RELEASE" | sed -e 's/ .*$//'`"
+	echo ${UNAME_MACHINE}-pc-skyos`echo ${UNAME_RELEASE}` | sed -e 's/ .*$//'
 	exit ;;
     i*86:rdos:*:*)
-	echo "$UNAME_MACHINE"-pc-rdos
+	echo ${UNAME_MACHINE}-pc-rdos
 	exit ;;
     i*86:AROS:*:*)
-	echo "$UNAME_MACHINE"-pc-aros
+	echo ${UNAME_MACHINE}-pc-aros
 	exit ;;
     x86_64:VMkernel:*:*)
-	echo "$UNAME_MACHINE"-unknown-esx
-	exit ;;
-    amd64:Isilon\ OneFS:*:*)
-	echo x86_64-unknown-onefs
-	exit ;;
-    *:Unleashed:*:*)
-	echo "$UNAME_MACHINE"-unknown-unleashed"$UNAME_RELEASE"
+	echo ${UNAME_MACHINE}-unknown-esx
 	exit ;;
 esac
 
-# No uname command or uname output not recognized.
-set_cc_for_build
-cat > "$dummy.c" <<EOF
+eval $set_cc_for_build
+cat >$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
+# include <sys/types.h>
+# include <sys/utsname.h>
 #endif
 main ()
 {
@@ -1496,12 +1357,20 @@ main ()
 #include <sys/param.h>
   printf ("m68k-sony-newsos%s\n",
 #ifdef NEWSOS4
-  "4"
+	"4"
 #else
-  ""
+	""
+#endif
+	); exit (0);
 #endif
-  ); exit (0);
 #endif
+
+#if defined (__arm) && defined (__acorn) && defined (__unix)
+  printf ("arm-acorn-riscix\n"); exit (0);
+#endif
+
+#if defined (hp300) && !defined (hpux)
+  printf ("m68k-hp-bsd\n"); exit (0);
 #endif
 
 #if defined (NeXT)
@@ -1543,54 +1412,39 @@ main ()
 #endif
 
 #if defined (_SEQUENT_)
-  struct utsname un;
+    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);
 
-  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
+# 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
+    printf ("vax-dec-ultrix\n"); exit (0);
+# endif
 #endif
 
 #if defined (alliant) && defined (i860)
@@ -1601,44 +1455,54 @@ main ()
 }
 EOF
 
-$CC_FOR_BUILD -o "$dummy" "$dummy.c" 2>/dev/null && SYSTEM_NAME=`$dummy` &&
+$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
+test -d /usr/apollo && { echo ${ISP}-apollo-${SYSTYPE}; exit; }
 
-case "$UNAME_MACHINE:$UNAME_SYSTEM" in
-    mips:Linux | mips64:Linux)
-	# If we got here on MIPS GNU/Linux, output extra information.
-	cat >&2 <<EOF
+# Convex versions that predate uname can use getsysinfo(1)
 
-NOTE: MIPS GNU/Linux systems require a C compiler to fully recognize
-the system type. Please install a C compiler and try again.
-EOF
-	;;
-esac
+if [ -x /usr/convex/getsysinfo ]
+then
+    case `getsysinfo -f cpu_type` in
+    c1*)
+	echo c1-convex-bsd
+	exit ;;
+    c2*)
+	if getsysinfo -f scalar_acc
+	then echo c32-convex-bsd
+	else echo c2-convex-bsd
+	fi
+	exit ;;
+    c34*)
+	echo c34-convex-bsd
+	exit ;;
+    c38*)
+	echo c38-convex-bsd
+	exit ;;
+    c4*)
+	echo c4-convex-bsd
+	exit ;;
+    esac
+fi
 
 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:
+This script, last modified $timestamp, has failed to recognize
+the operating system you are using. It is advised that you
+download the most up to date version of the config scripts from
 
-  https://git.savannah.gnu.org/gitweb/?p=config.git;a=blob_plain;f=config.guess
+  http://git.savannah.gnu.org/gitweb/?p=config.git;a=blob_plain;f=config.guess;hb=HEAD
 and
-  https://git.savannah.gnu.org/gitweb/?p=config.git;a=blob_plain;f=config.sub
-EOF
+  http://git.savannah.gnu.org/gitweb/?p=config.git;a=blob_plain;f=config.sub;hb=HEAD
 
-year=`echo $timestamp | sed 's,-.*,,'`
-# shellcheck disable=SC2003
-if test "`expr "\`date +%Y\`" - "$year"`" -lt 3 ; then
-   cat >&2 <<EOF
-
-If $0 has already been updated, send the following data and any
-information you think might be pertinent to config-patches@gnu.org to
-provide the necessary information to handle your system.
+If the version you run ($0) is already up to date, please
+send the following data and any information you think might be
+pertinent to <config-patches@gnu.org> in order to provide the needed
+information to handle your system.
 
 config.guess timestamp = $timestamp
 
@@ -1657,17 +1521,16 @@ 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: "'"