]> git.ipfire.org Git - thirdparty/openssh-portable.git/commitdiff
update build-aux files to match autoconf-2.71
authorDamien Miller <djm@mindrot.org>
Fri, 8 Apr 2022 04:48:58 +0000 (14:48 +1000)
committerDamien Miller <djm@mindrot.org>
Fri, 8 Apr 2022 04:48:58 +0000 (14:48 +1000)
i.e. config.guess, config.sub and install-sh

config.guess
config.sub
install-sh

index 11fda528bc7b15f6a8a963a20c06cd9a6dbe5d6b..a4077cce01f5e9ee35174b755261c63e003b5892 100755 (executable)
@@ -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: "'"
index 973a2980ac3ad53d126199f5b7446e86344347a9..89b1286300aeccdd11354909580678eacfa5bd3c 100755 (executable)
@@ -1,31 +1,36 @@
 #! /bin/sh
 # Configuration validation subroutine script.
-#   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='2020-05-04'
+timestamp='2012-10-10'
 
-# 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
+# This file is (in principle) common to ALL GNU software.
+# The presence of a machine in this file suggests that SOME GNU software
+# can handle that machine.  It does not imply ALL GNU software can.
+#
+# 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 2 of the License, or
 # (at your option) any later version.
 #
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
-# General Public License for more details.
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU 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.
 
 
-# Please send patches to <config-patches@gnu.org>.
+# Please send patches to <config-patches@gnu.org>.  Submit a context
+# diff and a properly formatted GNU ChangeLog entry.
 #
 # Configuration subroutine to validate and canonicalize a configuration type.
 # Supply the specified configuration type as an argument.
@@ -33,7 +38,7 @@ timestamp='2020-05-04'
 # Otherwise, we print the canonical config type on stdout and succeed.
 
 # You can get the latest version of this script from:
-# https://git.savannah.gnu.org/gitweb/?p=config.git;a=blob_plain;f=config.sub
+# http://git.savannah.gnu.org/gitweb/?p=config.git;a=blob_plain;f=config.sub;hb=HEAD
 
 # This file is supposed to be the same for all GNU packages
 # and recognize all the CPU types, system types and aliases
@@ -53,11 +58,12 @@ timestamp='2020-05-04'
 me=`echo "$0" | sed -e 's,.*/,,'`
 
 usage="\
-Usage: $0 [OPTION] CPU-MFR-OPSYS or ALIAS
+Usage: $0 [OPTION] CPU-MFR-OPSYS
+       $0 [OPTION] ALIAS
 
 Canonicalize a configuration name.
 
-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
@@ -67,7 +73,9 @@ Report bugs and patches to <config-patches@gnu.org>."
 version="\
 GNU config.sub ($timestamp)
 
-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."
@@ -89,12 +97,12 @@ while test $# -gt 0 ; do
     - )        # Use stdin as input.
        break ;;
     -* )
-       echo "$me: invalid option $1$help" >&2
+       echo "$me: invalid option $1$help"
        exit 1 ;;
 
     *local*)
        # First pass through any local machine types.
-       echo "$1"
+       echo $1
        exit ;;
 
     * )
@@ -110,1164 +118,1203 @@ case $# in
     exit 1;;
 esac
 
-# Split fields of configuration type
-# shellcheck disable=SC2162
-IFS="-" read field1 field2 field3 field4 <<EOF
-$1
-EOF
+# Separate what the user gave into CPU-COMPANY and OS or KERNEL-OS (if any).
+# Here we must recognize all the valid KERNEL-OS combinations.
+maybe_os=`echo $1 | sed 's/^\(.*\)-\([^-]*-[^-]*\)$/\2/'`
+case $maybe_os in
+  nto-qnx* | linux-gnu* | linux-android* | linux-dietlibc | linux-newlib* | \
+  linux-musl* | linux-uclibc* | uclinux-uclibc* | uclinux-gnu* | kfreebsd*-gnu* | \
+  knetbsd*-gnu* | netbsd*-gnu* | \
+  kopensolaris*-gnu* | \
+  storm-chaos* | os2-emx* | rtmk-nova*)
+    os=-$maybe_os
+    basic_machine=`echo $1 | sed 's/^\(.*\)-\([^-]*-[^-]*\)$/\1/'`
+    ;;
+  android-linux)
+    os=-linux-android
+    basic_machine=`echo $1 | sed 's/^\(.*\)-\([^-]*-[^-]*\)$/\1/'`-unknown
+    ;;
+  *)
+    basic_machine=`echo $1 | sed 's/-[^-]*$//'`
+    if [ $basic_machine != $1 ]
+    then os=`echo $1 | sed 's/.*-/-/'`
+    else os=; fi
+    ;;
+esac
 
-# Separate into logical components for further validation
-case $1 in
-       *-*-*-*-*)
-               echo Invalid configuration \`"$1"\': more than four components >&2
-               exit 1
+### Let's recognize common machines as not being operating systems so
+### that things like config.sub decstation-3100 work.  We also
+### recognize some manufacturers as not being operating systems, so we
+### can provide default operating systems below.
+case $os in
+       -sun*os*)
+               # Prevent following clause from handling this invalid input.
                ;;
-       *-*-*-*)
-               basic_machine=$field1-$field2
-               os=$field3-$field4
+       -dec* | -mips* | -sequent* | -encore* | -pc532* | -sgi* | -sony* | \
+       -att* | -7300* | -3300* | -delta* | -motorola* | -sun[234]* | \
+       -unicom* | -ibm* | -next | -hp | -isi* | -apollo | -altos* | \
+       -convergent* | -ncr* | -news | -32* | -3600* | -3100* | -hitachi* |\
+       -c[123]* | -convex* | -sun | -crds | -omron* | -dg | -ultra | -tti* | \
+       -harris | -dolphin | -highlevel | -gould | -cbm | -ns | -masscomp | \
+       -apple | -axis | -knuth | -cray | -microblaze*)
+               os=
+               basic_machine=$1
                ;;
-       *-*-*)
-               # Ambiguous whether COMPANY is present, or skipped and KERNEL-OS is two
-               # parts
-               maybe_os=$field2-$field3
-               case $maybe_os in
-                       nto-qnx* | linux-gnu* | linux-android* | linux-dietlibc \
-                       | linux-newlib* | linux-musl* | linux-uclibc* | uclinux-uclibc* \
-                       | uclinux-gnu* | kfreebsd*-gnu* | knetbsd*-gnu* | netbsd*-gnu* \
-                       | netbsd*-eabi* | kopensolaris*-gnu* | cloudabi*-eabi* \
-                       | storm-chaos* | os2-emx* | rtmk-nova*)
-                               basic_machine=$field1
-                               os=$maybe_os
-                               ;;
-                       android-linux)
-                               basic_machine=$field1-unknown
-                               os=linux-android
-                               ;;
-                       *)
-                               basic_machine=$field1-$field2
-                               os=$field3
-                               ;;
-               esac
+       -bluegene*)
+               os=-cnk
                ;;
-       *-*)
-               # A lone config we happen to match not fitting any pattern
-               case $field1-$field2 in
-                       decstation-3100)
-                               basic_machine=mips-dec
-                               os=
-                               ;;
-                       *-*)
-                               # Second component is usually, but not always the OS
-                               case $field2 in
-                                       # Prevent following clause from handling this valid os
-                                       sun*os*)
-                                               basic_machine=$field1
-                                               os=$field2
-                                               ;;
-                                       # Manufacturers
-                                       dec* | mips* | sequent* | encore* | pc533* | sgi* | sony* \
-                                       | att* | 7300* | 3300* | delta* | motorola* | sun[234]* \
-                                       | unicom* | ibm* | next | hp | isi* | apollo | altos* \
-                                       | convergent* | ncr* | news | 32* | 3600* | 3100* \
-                                       | hitachi* | c[123]* | convex* | sun | crds | omron* | dg \
-                                       | ultra | tti* | harris | dolphin | highlevel | gould \
-                                       | cbm | ns | masscomp | apple | axis | knuth | cray \
-                                       | microblaze* | sim | cisco \
-                                       | oki | wec | wrs | winbond)
-                                               basic_machine=$field1-$field2
-                                               os=
-                                               ;;
-                                       *)
-                                               basic_machine=$field1
-                                               os=$field2
-                                               ;;
-                               esac
-                       ;;
-               esac
+       -sim | -cisco | -oki | -wec | -winbond)
+               os=
+               basic_machine=$1
                ;;
-       *)
-               # Convert single-component short-hands not valid as part of
-               # multi-component configurations.
-               case $field1 in
-                       386bsd)
-                               basic_machine=i386-pc
-                               os=bsd
-                               ;;
-                       a29khif)
-                               basic_machine=a29k-amd
-                               os=udi
-                               ;;
-                       adobe68k)
-                               basic_machine=m68010-adobe
-                               os=scout
-                               ;;
-                       alliant)
-                               basic_machine=fx80-alliant
-                               os=
-                               ;;
-                       altos | altos3068)
-                               basic_machine=m68k-altos
-                               os=
-                               ;;
-                       am29k)
-                               basic_machine=a29k-none
-                               os=bsd
-                               ;;
-                       amdahl)
-                               basic_machine=580-amdahl
-                               os=sysv
-                               ;;
-                       amiga)
-                               basic_machine=m68k-unknown
-                               os=
-                               ;;
-                       amigaos | amigados)
-                               basic_machine=m68k-unknown
-                               os=amigaos
-                               ;;
-                       amigaunix | amix)
-                               basic_machine=m68k-unknown
-                               os=sysv4
-                               ;;
-                       apollo68)
-                               basic_machine=m68k-apollo
-                               os=sysv
-                               ;;
-                       apollo68bsd)
-                               basic_machine=m68k-apollo
-                               os=bsd
-                               ;;
-                       aros)
-                               basic_machine=i386-pc
-                               os=aros
-                               ;;
-                       aux)
-                               basic_machine=m68k-apple
-                               os=aux
-                               ;;
-                       balance)
-                               basic_machine=ns32k-sequent
-                               os=dynix
-                               ;;
-                       blackfin)
-                               basic_machine=bfin-unknown
-                               os=linux
-                               ;;
-                       cegcc)
-                               basic_machine=arm-unknown
-                               os=cegcc
-                               ;;
-                       convex-c1)
-                               basic_machine=c1-convex
-                               os=bsd
-                               ;;
-                       convex-c2)
-                               basic_machine=c2-convex
-                               os=bsd
-                               ;;
-                       convex-c32)
-                               basic_machine=c32-convex
-                               os=bsd
-                               ;;
-                       convex-c34)
-                               basic_machine=c34-convex
-                               os=bsd
-                               ;;
-                       convex-c38)
-                               basic_machine=c38-convex
-                               os=bsd
-                               ;;
-                       cray)
-                               basic_machine=j90-cray
-                               os=unicos
-                               ;;
-                       crds | unos)
-                               basic_machine=m68k-crds
-                               os=
-                               ;;
-                       da30)
-                               basic_machine=m68k-da30
-                               os=
-                               ;;
-                       decstation | pmax | pmin | dec3100 | decstatn)
-                               basic_machine=mips-dec
-                               os=
-                               ;;
-                       delta88)
-                               basic_machine=m88k-motorola
-                               os=sysv3
-                               ;;
-                       dicos)
-                               basic_machine=i686-pc
-                               os=dicos
-                               ;;
-                       djgpp)
-                               basic_machine=i586-pc
-                               os=msdosdjgpp
-                               ;;
-                       ebmon29k)
-                               basic_machine=a29k-amd
-                               os=ebmon
-                               ;;
-                       es1800 | OSE68k | ose68k | ose | OSE)
-                               basic_machine=m68k-ericsson
-                               os=ose
-                               ;;
-                       gmicro)
-                               basic_machine=tron-gmicro
-                               os=sysv
-                               ;;
-                       go32)
-                               basic_machine=i386-pc
-                               os=go32
-                               ;;
-                       h8300hms)
-                               basic_machine=h8300-hitachi
-                               os=hms
-                               ;;
-                       h8300xray)
-                               basic_machine=h8300-hitachi
-                               os=xray
-                               ;;
-                       h8500hms)
-                               basic_machine=h8500-hitachi
-                               os=hms
-                               ;;
-                       harris)
-                               basic_machine=m88k-harris
-                               os=sysv3
-                               ;;
-                       hp300 | hp300hpux)
-                               basic_machine=m68k-hp
-                               os=hpux
-                               ;;
-                       hp300bsd)
-                               basic_machine=m68k-hp
-                               os=bsd
-                               ;;
-                       hppaosf)
-                               basic_machine=hppa1.1-hp
-                               os=osf
-                               ;;
-                       hppro)
-                               basic_machine=hppa1.1-hp
-                               os=proelf
-                               ;;
-                       i386mach)
-                               basic_machine=i386-mach
-                               os=mach
-                               ;;
-                       isi68 | isi)
-                               basic_machine=m68k-isi
-                               os=sysv
-                               ;;
-                       m68knommu)
-                               basic_machine=m68k-unknown
-                               os=linux
-                               ;;
-                       magnum | m3230)
-                               basic_machine=mips-mips
-                               os=sysv
-                               ;;
-                       merlin)
-                               basic_machine=ns32k-utek
-                               os=sysv
-                               ;;
-                       mingw64)
-                               basic_machine=x86_64-pc
-                               os=mingw64
-                               ;;
-                       mingw32)
-                               basic_machine=i686-pc
-                               os=mingw32
-                               ;;
-                       mingw32ce)
-                               basic_machine=arm-unknown
-                               os=mingw32ce
-                               ;;
-                       monitor)
-                               basic_machine=m68k-rom68k
-                               os=coff
-                               ;;
-                       morphos)
-                               basic_machine=powerpc-unknown
-                               os=morphos
-                               ;;
-                       moxiebox)
-                               basic_machine=moxie-unknown
-                               os=moxiebox
-                               ;;
-                       msdos)
-                               basic_machine=i386-pc
-                               os=msdos
-                               ;;
-                       msys)
-                               basic_machine=i686-pc
-                               os=msys
-                               ;;
-                       mvs)
-                               basic_machine=i370-ibm
-                               os=mvs
-                               ;;
-                       nacl)
-                               basic_machine=le32-unknown
-                               os=nacl
-                               ;;
-                       ncr3000)
-                               basic_machine=i486-ncr
-                               os=sysv4
-                               ;;
-                       netbsd386)
-                               basic_machine=i386-pc
-                               os=netbsd
-                               ;;
-                       netwinder)
-                               basic_machine=armv4l-rebel
-                               os=linux
-                               ;;
-                       news | news700 | news800 | news900)
-                               basic_machine=m68k-sony
-                               os=newsos
-                               ;;
-                       news1000)
-                               basic_machine=m68030-sony
-                               os=newsos
-                               ;;
-                       necv70)
-                               basic_machine=v70-nec
-                               os=sysv
-                               ;;
-                       nh3000)
-                               basic_machine=m68k-harris
-                               os=cxux
-                               ;;
-                       nh[45]000)
-                               basic_machine=m88k-harris
-                               os=cxux
-                               ;;
-                       nindy960)
-                               basic_machine=i960-intel
-                               os=nindy
-                               ;;
-                       mon960)
-                               basic_machine=i960-intel
-                               os=mon960
-                               ;;
-                       nonstopux)
-                               basic_machine=mips-compaq
-                               os=nonstopux
-                               ;;
-                       os400)
-                               basic_machine=powerpc-ibm
-                               os=os400
-                               ;;
-                       OSE68000 | ose68000)
-                               basic_machine=m68000-ericsson
-                               os=ose
-                               ;;
-                       os68k)
-                               basic_machine=m68k-none
-                               os=os68k
-                               ;;
-                       paragon)
-                               basic_machine=i860-intel
-                               os=osf
-                               ;;
-                       parisc)
-                               basic_machine=hppa-unknown
-                               os=linux
-                               ;;
-                       pw32)
-                               basic_machine=i586-unknown
-                               os=pw32
-                               ;;
-                       rdos | rdos64)
-                               basic_machine=x86_64-pc
-                               os=rdos
-                               ;;
-                       rdos32)
-                               basic_machine=i386-pc
-                               os=rdos
-                               ;;
-                       rom68k)
-                               basic_machine=m68k-rom68k
-                               os=coff
-                               ;;
-                       sa29200)
-                               basic_machine=a29k-amd
-                               os=udi
-                               ;;
-                       sei)
-                               basic_machine=mips-sei
-                               os=seiux
-                               ;;
-                       sequent)
-                               basic_machine=i386-sequent
-                               os=
-                               ;;
-                       sps7)
-                               basic_machine=m68k-bull
-                               os=sysv2
-                               ;;
-                       st2000)
-                               basic_machine=m68k-tandem
-                               os=
-                               ;;
-                       stratus)
-                               basic_machine=i860-stratus
-                               os=sysv4
-                               ;;
-                       sun2)
-                               basic_machine=m68000-sun
-                               os=
-                               ;;
-                       sun2os3)
-                               basic_machine=m68000-sun
-                               os=sunos3
-                               ;;
-                       sun2os4)
-                               basic_machine=m68000-sun
-                               os=sunos4
-                               ;;
-                       sun3)
-                               basic_machine=m68k-sun
-                               os=
-                               ;;
-                       sun3os3)
-                               basic_machine=m68k-sun
-                               os=sunos3
-                               ;;
-                       sun3os4)
-                               basic_machine=m68k-sun
-                               os=sunos4
-                               ;;
-                       sun4)
-                               basic_machine=sparc-sun
-                               os=
-                               ;;
-                       sun4os3)
-                               basic_machine=sparc-sun
-                               os=sunos3
-                               ;;
-                       sun4os4)
-                               basic_machine=sparc-sun
-                               os=sunos4
-                               ;;
-                       sun4sol2)
-                               basic_machine=sparc-sun
-                               os=solaris2
-                               ;;
-                       sun386 | sun386i | roadrunner)
-                               basic_machine=i386-sun
-                               os=
-                               ;;
-                       sv1)
-                               basic_machine=sv1-cray
-                               os=unicos
-                               ;;
-                       symmetry)
-                               basic_machine=i386-sequent
-                               os=dynix
-                               ;;
-                       t3e)
-                               basic_machine=alphaev5-cray
-                               os=unicos
-                               ;;
-                       t90)
-                               basic_machine=t90-cray
-                               os=unicos
-                               ;;
-                       toad1)
-                               basic_machine=pdp10-xkl
-                               os=tops20
-                               ;;
-                       tpf)
-                               basic_machine=s390x-ibm
-                               os=tpf
-                               ;;
-                       udi29k)
-                               basic_machine=a29k-amd
-                               os=udi
-                               ;;
-                       ultra3)
-                               basic_machine=a29k-nyu
-                               os=sym1
-                               ;;
-                       v810 | necv810)
-                               basic_machine=v810-nec
-                               os=none
-                               ;;
-                       vaxv)
-                               basic_machine=vax-dec
-                               os=sysv
-                               ;;
-                       vms)
-                               basic_machine=vax-dec
-                               os=vms
-                               ;;
-                       vsta)
-                               basic_machine=i386-pc
-                               os=vsta
-                               ;;
-                       vxworks960)
-                               basic_machine=i960-wrs
-                               os=vxworks
-                               ;;
-                       vxworks68)
-                               basic_machine=m68k-wrs
-                               os=vxworks
-                               ;;
-                       vxworks29k)
-                               basic_machine=a29k-wrs
-                               os=vxworks
-                               ;;
-                       xbox)
-                               basic_machine=i686-pc
-                               os=mingw32
-                               ;;
-                       ymp)
-                               basic_machine=ymp-cray
-                               os=unicos
-                               ;;
-                       *)
-                               basic_machine=$1
-                               os=
-                               ;;
-               esac
+       -scout)
+               ;;
+       -wrs)
+               os=-vxworks
+               basic_machine=$1
+               ;;
+       -chorusos*)
+               os=-chorusos
+               basic_machine=$1
+               ;;
+       -chorusrdb)
+               os=-chorusrdb
+               basic_machine=$1
+               ;;
+       -hiux*)
+               os=-hiuxwe2
+               ;;
+       -sco6)
+               os=-sco5v6
+               basic_machine=`echo $1 | sed -e 's/86-.*/86-pc/'`
+               ;;
+       -sco5)
+               os=-sco3.2v5
+               basic_machine=`echo $1 | sed -e 's/86-.*/86-pc/'`
+               ;;
+       -sco4)
+               os=-sco3.2v4
+               basic_machine=`echo $1 | sed -e 's/86-.*/86-pc/'`
+               ;;
+       -sco3.2.[4-9]*)
+               os=`echo $os | sed -e 's/sco3.2./sco3.2v/'`
+               basic_machine=`echo $1 | sed -e 's/86-.*/86-pc/'`
+               ;;
+       -sco3.2v[4-9]*)
+               # Don't forget version if it is 3.2v4 or newer.
+               basic_machine=`echo $1 | sed -e 's/86-.*/86-pc/'`
+               ;;
+       -sco5v6*)
+               # Don't forget version if it is 3.2v4 or newer.
+               basic_machine=`echo $1 | sed -e 's/86-.*/86-pc/'`
+               ;;
+       -sco*)
+               os=-sco3.2v2
+               basic_machine=`echo $1 | sed -e 's/86-.*/86-pc/'`
+               ;;
+       -udk*)
+               basic_machine=`echo $1 | sed -e 's/86-.*/86-pc/'`
+               ;;
+       -isc)
+               os=-isc2.2
+               basic_machine=`echo $1 | sed -e 's/86-.*/86-pc/'`
+               ;;
+       -clix*)
+               basic_machine=clipper-intergraph
+               ;;
+       -isc*)
+               basic_machine=`echo $1 | sed -e 's/86-.*/86-pc/'`
+               ;;
+       -lynx*178)
+               os=-lynxos178
+               ;;
+       -lynx*5)
+               os=-lynxos5
+               ;;
+       -lynx*)
+               os=-lynxos
+               ;;
+       -ptx*)
+               basic_machine=`echo $1 | sed -e 's/86-.*/86-sequent/'`
+               ;;
+       -windowsnt*)
+               os=`echo $os | sed -e 's/windowsnt/winnt/'`
+               ;;
+       -psos*)
+               os=-psos
+               ;;
+       -mint | -mint[0-9]*)
+               basic_machine=m68k-atari
+               os=-mint
                ;;
 esac
 
-# Decode 1-component or ad-hoc basic machines
+# Decode aliases for certain CPU-COMPANY combinations.
 case $basic_machine in
-       # Here we handle the default manufacturer of certain CPU types.  It is in
-       # some cases the only manufacturer, in others, it is the most popular.
-       w89k)
-               cpu=hppa1.1
-               vendor=winbond
+       # Recognize the basic CPU types without company name.
+       # Some are omitted here because they have special meanings below.
+       1750a | 580 \
+       | a29k \
+       | aarch64 | aarch64_be \
+       | alpha | alphaev[4-8] | alphaev56 | alphaev6[78] | alphapca5[67] \
+       | alpha64 | alpha64ev[4-8] | alpha64ev56 | alpha64ev6[78] | alpha64pca5[67] \
+       | am33_2.0 \
+       | arc \
+       | arm | arm[bl]e | arme[lb] | armv[2-8] | armv[3-8][lb] | armv7[arm] \
+       | avr | avr32 \
+       | be32 | be64 \
+       | bfin \
+       | c4x | clipper \
+       | d10v | d30v | dlx | dsp16xx \
+       | epiphany \
+       | fido | fr30 | frv \
+       | h8300 | h8500 | hppa | hppa1.[01] | hppa2.0 | hppa2.0[nw] | hppa64 \
+       | hexagon \
+       | i370 | i860 | i960 | ia64 \
+       | ip2k | iq2000 \
+       | le32 | le64 \
+       | lm32 \
+       | m32c | m32r | m32rle | m68000 | m68k | m88k \
+       | maxq | mb | microblaze | microblazeel | mcore | mep | metag \
+       | mips | mipsbe | mipseb | mipsel | mipsle \
+       | mips16 \
+       | mips64 | mips64el \
+       | mips64octeon | mips64octeonel \
+       | mips64orion | mips64orionel \
+       | mips64r5900 | mips64r5900el \
+       | mips64vr | mips64vrel \
+       | mips64vr4100 | mips64vr4100el \
+       | mips64vr4300 | mips64vr4300el \
+       | mips64vr5000 | mips64vr5000el \
+       | mips64vr5900 | mips64vr5900el \
+       | mipsisa32 | mipsisa32el \
+       | mipsisa32r2 | mipsisa32r2el \
+       | mipsisa64 | mipsisa64el \
+       | mipsisa64r2 | mipsisa64r2el \
+       | mipsisa64sb1 | mipsisa64sb1el \
+       | mipsisa64sr71k | mipsisa64sr71kel \
+       | mipstx39 | mipstx39el \
+       | mn10200 | mn10300 \
+       | moxie \
+       | mt \
+       | msp430 \
+       | nds32 | nds32le | nds32be \
+       | nios | nios2 \
+       | ns16k | ns32k \
+       | open8 \
+       | or32 \
+       | pdp10 | pdp11 | pj | pjl \
+       | powerpc | powerpc64 | powerpc64le | powerpcle \
+       | pyramid \
+       | rl78 | rx \
+       | score \
+       | sh | sh[1234] | sh[24]a | sh[24]aeb | sh[23]e | sh[34]eb | sheb | shbe | shle | sh[1234]le | sh3ele \
+       | sh64 | sh64le \
+       | sparc | sparc64 | sparc64b | sparc64v | sparc86x | sparclet | sparclite \
+       | sparcv8 | sparcv9 | sparcv9b | sparcv9v \
+       | spu \
+       | tahoe | tic4x | tic54x | tic55x | tic6x | tic80 | tron \
+       | ubicom32 \
+       | v850 | v850e | v850e1 | v850e2 | v850es | v850e2v3 \
+       | we32k \
+       | x86 | xc16x | xstormy16 | xtensa \
+       | z8k | z80)
+               basic_machine=$basic_machine-unknown
+               ;;
+       c54x)
+               basic_machine=tic54x-unknown
+               ;;
+       c55x)
+               basic_machine=tic55x-unknown
+               ;;
+       c6x)
+               basic_machine=tic6x-unknown
+               ;;
+       m6811 | m68hc11 | m6812 | m68hc12 | m68hcs12x | picochip)
+               basic_machine=$basic_machine-unknown
+               os=-none
+               ;;
+       m88110 | m680[12346]0 | m683?2 | m68360 | m5200 | v70 | w65 | z8k)
+               ;;
+       ms1)
+               basic_machine=mt-unknown
                ;;
-       op50n)
-               cpu=hppa1.1
-               vendor=oki
+
+       strongarm | thumb | xscale)
+               basic_machine=arm-unknown
                ;;
-       op60c)
-               cpu=hppa1.1
-               vendor=oki
+       xgate)
+               basic_machine=$basic_machine-unknown
+               os=-none
                ;;
-       ibm*)
-               cpu=i370
-               vendor=ibm
+       xscaleeb)
+               basic_machine=armeb-unknown
                ;;
-       orion105)
-               cpu=clipper
-               vendor=highlevel
+
+       xscaleel)
+               basic_machine=armel-unknown
                ;;
-       mac | mpw | mac-mpw)
-               cpu=m68k
-               vendor=apple
+
+       # We use `pc' rather than `unknown'
+       # because (1) that's what they normally are, and
+       # (2) the word "unknown" tends to confuse beginning users.
+       i*86 | x86_64)
+         basic_machine=$basic_machine-pc
+         ;;
+       # Object if more than one company name word.
+       *-*-*)
+               echo Invalid configuration \`$1\': machine \`$basic_machine\' not recognized 1>&2
+               exit 1
                ;;
-       pmac | pmac-mpw)
-               cpu=powerpc
-               vendor=apple
+       # Recognize the basic CPU types with company name.
+       580-* \
+       | a29k-* \
+       | aarch64-* | aarch64_be-* \
+       | alpha-* | alphaev[4-8]-* | alphaev56-* | alphaev6[78]-* \
+       | alpha64-* | alpha64ev[4-8]-* | alpha64ev56-* | alpha64ev6[78]-* \
+       | alphapca5[67]-* | alpha64pca5[67]-* | arc-* \
+       | arm-*  | armbe-* | armle-* | armeb-* | armv*-* \
+       | avr-* | avr32-* \
+       | be32-* | be64-* \
+       | bfin-* | bs2000-* \
+       | c[123]* | c30-* | [cjt]90-* | c4x-* \
+       | clipper-* | craynv-* | cydra-* \
+       | d10v-* | d30v-* | dlx-* \
+       | elxsi-* \
+       | f30[01]-* | f700-* | fido-* | fr30-* | frv-* | fx80-* \
+       | h8300-* | h8500-* \
+       | hppa-* | hppa1.[01]-* | hppa2.0-* | hppa2.0[nw]-* | hppa64-* \
+       | hexagon-* \
+       | i*86-* | i860-* | i960-* | ia64-* \
+       | ip2k-* | iq2000-* \
+       | le32-* | le64-* \
+       | lm32-* \
+       | m32c-* | m32r-* | m32rle-* \
+       | m68000-* | m680[012346]0-* | m68360-* | m683?2-* | m68k-* \
+       | m88110-* | m88k-* | maxq-* | mcore-* | metag-* \
+       | microblaze-* | microblazeel-* \
+       | mips-* | mipsbe-* | mipseb-* | mipsel-* | mipsle-* \
+       | mips16-* \
+       | mips64-* | mips64el-* \
+       | mips64octeon-* | mips64octeonel-* \
+       | mips64orion-* | mips64orionel-* \
+       | mips64r5900-* | mips64r5900el-* \
+       | mips64vr-* | mips64vrel-* \
+       | mips64vr4100-* | mips64vr4100el-* \
+       | mips64vr4300-* | mips64vr4300el-* \
+       | mips64vr5000-* | mips64vr5000el-* \
+       | mips64vr5900-* | mips64vr5900el-* \
+       | mipsisa32-* | mipsisa32el-* \
+       | mipsisa32r2-* | mipsisa32r2el-* \
+       | mipsisa64-* | mipsisa64el-* \
+       | mipsisa64r2-* | mipsisa64r2el-* \
+       | mipsisa64sb1-* | mipsisa64sb1el-* \
+       | mipsisa64sr71k-* | mipsisa64sr71kel-* \
+       | mipstx39-* | mipstx39el-* \
+       | mmix-* \
+       | mt-* \
+       | msp430-* \
+       | nds32-* | nds32le-* | nds32be-* \
+       | nios-* | nios2-* \
+       | none-* | np1-* | ns16k-* | ns32k-* \
+       | open8-* \
+       | orion-* \
+       | pdp10-* | pdp11-* | pj-* | pjl-* | pn-* | power-* \
+       | powerpc-* | powerpc64-* | powerpc64le-* | powerpcle-* \
+       | pyramid-* \
+       | rl78-* | romp-* | rs6000-* | rx-* \
+       | sh-* | sh[1234]-* | sh[24]a-* | sh[24]aeb-* | sh[23]e-* | sh[34]eb-* | sheb-* | shbe-* \
+       | shle-* | sh[1234]le-* | sh3ele-* | sh64-* | sh64le-* \
+       | sparc-* | sparc64-* | sparc64b-* | sparc64v-* | sparc86x-* | sparclet-* \
+       | sparclite-* \
+       | sparcv8-* | sparcv9-* | sparcv9b-* | sparcv9v-* | sv1-* | sx?-* \
+       | tahoe-* \
+       | tic30-* | tic4x-* | tic54x-* | tic55x-* | tic6x-* | tic80-* \
+       | tile*-* \
+       | tron-* \
+       | ubicom32-* \
+       | v850-* | v850e-* | v850e1-* | v850es-* | v850e2-* | v850e2v3-* \
+       | vax-* \
+       | we32k-* \
+       | x86-* | x86_64-* | xc16x-* | xps100-* \
+       | xstormy16-* | xtensa*-* \
+       | ymp-* \
+       | z8k-* | z80-*)
+               ;;
+       # Recognize the basic CPU types without company name, with glob match.
+       xtensa*)
+               basic_machine=$basic_machine-unknown
                ;;
-
        # Recognize the various machine names and aliases which stand
        # for a CPU type and a company and sometimes even an OS.
+       386bsd)
+               basic_machine=i386-unknown
+               os=-bsd
+               ;;
        3b1 | 7300 | 7300-att | att-7300 | pc7300 | safari | unixpc)
-               cpu=m68000
-               vendor=att
+               basic_machine=m68000-att
                ;;
        3b*)
-               cpu=we32k
-               vendor=att
+               basic_machine=we32k-att
+               ;;
+       a29khif)
+               basic_machine=a29k-amd
+               os=-udi
+               ;;
+       abacus)
+               basic_machine=abacus-unknown
+               ;;
+       adobe68k)
+               basic_machine=m68010-adobe
+               os=-scout
+               ;;
+       alliant | fx80)
+               basic_machine=fx80-alliant
+               ;;
+       altos | altos3068)
+               basic_machine=m68k-altos
+               ;;
+       am29k)
+               basic_machine=a29k-none
+               os=-bsd
+               ;;
+       amd64)
+               basic_machine=x86_64-pc
+               ;;
+       amd64-*)
+               basic_machine=x86_64-`echo $basic_machine | sed 's/^[^-]*-//'`
+               ;;
+       amdahl)
+               basic_machine=580-amdahl
+               os=-sysv
+               ;;
+       amiga | amiga-*)
+               basic_machine=m68k-unknown
+               ;;
+       amigaos | amigados)
+               basic_machine=m68k-unknown
+               os=-amigaos
+               ;;
+       amigaunix | amix)
+               basic_machine=m68k-unknown
+               os=-sysv4
+               ;;
+       apollo68)
+               basic_machine=m68k-apollo
+               os=-sysv
+               ;;
+       apollo68bsd)
+               basic_machine=m68k-apollo
+               os=-bsd
+               ;;
+       aros)
+               basic_machine=i386-pc
+               os=-aros
+               ;;
+       aux)
+               basic_machine=m68k-apple
+               os=-aux
+               ;;
+       balance)
+               basic_machine=ns32k-sequent
+               os=-dynix
+               ;;
+       blackfin)
+               basic_machine=bfin-unknown
+               os=-linux
+               ;;
+       blackfin-*)
+               basic_machine=bfin-`echo $basic_machine | sed 's/^[^-]*-//'`
+               os=-linux
                ;;
        bluegene*)
-               cpu=powerpc
-               vendor=ibm
-               os=cnk
+               basic_machine=powerpc-ibm
+               os=-cnk
+               ;;
+       c54x-*)
+               basic_machine=tic54x-`echo $basic_machine | sed 's/^[^-]*-//'`
+               ;;
+       c55x-*)
+               basic_machine=tic55x-`echo $basic_machine | sed 's/^[^-]*-//'`
+               ;;
+       c6x-*)
+               basic_machine=tic6x-`echo $basic_machine | sed 's/^[^-]*-//'`
+               ;;
+       c90)
+               basic_machine=c90-cray
+               os=-unicos
+               ;;
+       cegcc)
+               basic_machine=arm-unknown
+               os=-cegcc
+               ;;
+       convex-c1)
+               basic_machine=c1-convex
+               os=-bsd
+               ;;
+       convex-c2)
+               basic_machine=c2-convex
+               os=-bsd
+               ;;
+       convex-c32)
+               basic_machine=c32-convex
+               os=-bsd
+               ;;
+       convex-c34)
+               basic_machine=c34-convex
+               os=-bsd
+               ;;
+       convex-c38)
+               basic_machine=c38-convex
+               os=-bsd
+               ;;
+       cray | j90)
+               basic_machine=j90-cray
+               os=-unicos
+               ;;
+       craynv)
+               basic_machine=craynv-cray
+               os=-unicosmp
+               ;;
+       cr16 | cr16-*)
+               basic_machine=cr16-unknown
+               os=-elf
+               ;;
+       crds | unos)
+               basic_machine=m68k-crds
+               ;;
+       crisv32 | crisv32-* | etraxfs*)
+               basic_machine=crisv32-axis
+               ;;
+       cris | cris-* | etrax*)
+               basic_machine=cris-axis
+               ;;
+       crx)
+               basic_machine=crx-unknown
+               os=-elf
+               ;;
+       da30 | da30-*)
+               basic_machine=m68k-da30
+               ;;
+       decstation | decstation-3100 | pmax | pmax-* | pmin | dec3100 | decstatn)
+               basic_machine=mips-dec
                ;;
        decsystem10* | dec10*)
-               cpu=pdp10
-               vendor=dec
-               os=tops10
+               basic_machine=pdp10-dec
+               os=-tops10
                ;;
        decsystem20* | dec20*)
-               cpu=pdp10
-               vendor=dec
-               os=tops20
+               basic_machine=pdp10-dec
+               os=-tops20
                ;;
        delta | 3300 | motorola-3300 | motorola-delta \
              | 3300-motorola | delta-motorola)
-               cpu=m68k
-               vendor=motorola
+               basic_machine=m68k-motorola
                ;;
-       dpx2*)
-               cpu=m68k
-               vendor=bull
-               os=sysv3
+       delta88)
+               basic_machine=m88k-motorola
+               os=-sysv3
                ;;
-       encore | umax | mmax)
-               cpu=ns32k
-               vendor=encore
+       dicos)
+               basic_machine=i686-pc
+               os=-dicos
+               ;;
+       djgpp)
+               basic_machine=i586-pc
+               os=-msdosdjgpp
+               ;;
+       dpx20 | dpx20-*)
+               basic_machine=rs6000-bull
+               os=-bosx
+               ;;
+       dpx2* | dpx2*-bull)
+               basic_machine=m68k-bull
+               os=-sysv3
+               ;;
+       ebmon29k)
+               basic_machine=a29k-amd
+               os=-ebmon
                ;;
        elxsi)
-               cpu=elxsi
-               vendor=elxsi
-               os=${os:-bsd}
+               basic_machine=elxsi-elxsi
+               os=-bsd
+               ;;
+       encore | umax | mmax)
+               basic_machine=ns32k-encore
+               ;;
+       es1800 | OSE68k | ose68k | ose | OSE)
+               basic_machine=m68k-ericsson
+               os=-ose
                ;;
        fx2800)
-               cpu=i860
-               vendor=alliant
+               basic_machine=i860-alliant
                ;;
        genix)
-               cpu=ns32k
-               vendor=ns
+               basic_machine=ns32k-ns
+               ;;
+       gmicro)
+               basic_machine=tron-gmicro
+               os=-sysv
+               ;;
+       go32)
+               basic_machine=i386-pc
+               os=-go32
                ;;
        h3050r* | hiux*)
-               cpu=hppa1.1
-               vendor=hitachi
-               os=hiuxwe2
+               basic_machine=hppa1.1-hitachi
+               os=-hiuxwe2
+               ;;
+       h8300hms)
+               basic_machine=h8300-hitachi
+               os=-hms
+               ;;
+       h8300xray)
+               basic_machine=h8300-hitachi
+               os=-xray
+               ;;
+       h8500hms)
+               basic_machine=h8500-hitachi
+               os=-hms
+               ;;
+       harris)
+               basic_machine=m88k-harris
+               os=-sysv3
+               ;;
+       hp300-*)
+               basic_machine=m68k-hp
+               ;;
+       hp300bsd)
+               basic_machine=m68k-hp
+               os=-bsd
+               ;;
+       hp300hpux)
+               basic_machine=m68k-hp
+               os=-hpux
                ;;
        hp3k9[0-9][0-9] | hp9[0-9][0-9])
-               cpu=hppa1.0
-               vendor=hp
+               basic_machine=hppa1.0-hp
                ;;
        hp9k2[0-9][0-9] | hp9k31[0-9])
-               cpu=m68000
-               vendor=hp
+               basic_machine=m68000-hp
                ;;
        hp9k3[2-9][0-9])
-               cpu=m68k
-               vendor=hp
+               basic_machine=m68k-hp
                ;;
        hp9k6[0-9][0-9] | hp6[0-9][0-9])
-               cpu=hppa1.0
-               vendor=hp
+               basic_machine=hppa1.0-hp
                ;;
        hp9k7[0-79][0-9] | hp7[0-79][0-9])
-               cpu=hppa1.1
-               vendor=hp
+               basic_machine=hppa1.1-hp
                ;;
        hp9k78[0-9] | hp78[0-9])
                # FIXME: really hppa2.0-hp
-               cpu=hppa1.1
-               vendor=hp
+               basic_machine=hppa1.1-hp
                ;;
        hp9k8[67]1 | hp8[67]1 | hp9k80[24] | hp80[24] | hp9k8[78]9 | hp8[78]9 | hp9k893 | hp893)
                # FIXME: really hppa2.0-hp
-               cpu=hppa1.1
-               vendor=hp
+               basic_machine=hppa1.1-hp
                ;;
        hp9k8[0-9][13679] | hp8[0-9][13679])
-               cpu=hppa1.1
-               vendor=hp
+               basic_machine=hppa1.1-hp
                ;;
        hp9k8[0-9][0-9] | hp8[0-9][0-9])
-               cpu=hppa1.0
-               vendor=hp
+               basic_machine=hppa1.0-hp
+               ;;
+       hppa-next)
+               os=-nextstep3
+               ;;
+       hppaosf)
+               basic_machine=hppa1.1-hp
+               os=-osf
+               ;;
+       hppro)
+               basic_machine=hppa1.1-hp
+               os=-proelf
+               ;;
+       i370-ibm* | ibm*)
+               basic_machine=i370-ibm
                ;;
        i*86v32)
-               cpu=`echo "$1" | sed -e 's/86.*/86/'`
-               vendor=pc
-               os=sysv32
+               basic_machine=`echo $1 | sed -e 's/86.*/86-pc/'`
+               os=-sysv32
                ;;
        i*86v4*)
-               cpu=`echo "$1" | sed -e 's/86.*/86/'`
-               vendor=pc
-               os=sysv4
+               basic_machine=`echo $1 | sed -e 's/86.*/86-pc/'`
+               os=-sysv4
                ;;
        i*86v)
-               cpu=`echo "$1" | sed -e 's/86.*/86/'`
-               vendor=pc
-               os=sysv
+               basic_machine=`echo $1 | sed -e 's/86.*/86-pc/'`
+               os=-sysv
                ;;
        i*86sol2)
-               cpu=`echo "$1" | sed -e 's/86.*/86/'`
-               vendor=pc
-               os=solaris2
+               basic_machine=`echo $1 | sed -e 's/86.*/86-pc/'`
+               os=-solaris2
+               ;;
+       i386mach)
+               basic_machine=i386-mach
+               os=-mach
                ;;
-       j90 | j90-cray)
-               cpu=j90
-               vendor=cray
-               os=${os:-unicos}
+       i386-vsta | vsta)
+               basic_machine=i386-unknown
+               os=-vsta
                ;;
        iris | iris4d)
-               cpu=mips
-               vendor=sgi
+               basic_machine=mips-sgi
                case $os in
-                   irix*)
+                   -irix*)
                        ;;
                    *)
-                       os=irix4
+                       os=-irix4
                        ;;
                esac
                ;;
+       isi68 | isi)
+               basic_machine=m68k-isi
+               os=-sysv
+               ;;
+       m68knommu)
+               basic_machine=m68k-unknown
+               os=-linux
+               ;;
+       m68knommu-*)
+               basic_machine=m68k-`echo $basic_machine | sed 's/^[^-]*-//'`
+               os=-linux
+               ;;
+       m88k-omron*)
+               basic_machine=m88k-omron
+               ;;
+       magnum | m3230)
+               basic_machine=mips-mips
+               os=-sysv
+               ;;
+       merlin)
+               basic_machine=ns32k-utek
+               os=-sysv
+               ;;
+       microblaze*)
+               basic_machine=microblaze-xilinx
+               ;;
+       mingw64)
+               basic_machine=x86_64-pc
+               os=-mingw64
+               ;;
+       mingw32)
+               basic_machine=i386-pc
+               os=-mingw32
+               ;;
+       mingw32ce)
+               basic_machine=arm-unknown
+               os=-mingw32ce
+               ;;
        miniframe)
-               cpu=m68000
-               vendor=convergent
+               basic_machine=m68000-convergent
+               ;;
+       *mint | -mint[0-9]* | *MiNT | *MiNT[0-9]*)
+               basic_machine=m68k-atari
+               os=-mint
+               ;;
+       mips3*-*)
+               basic_machine=`echo $basic_machine | sed -e 's/mips3/mips64/'`
+               ;;
+       mips3*)
+               basic_machine=`echo $basic_machine | sed -e 's/mips3/mips64/'`-unknown
+               ;;
+       monitor)
+               basic_machine=m68k-rom68k
+               os=-coff
+               ;;
+       morphos)
+               basic_machine=powerpc-unknown
+               os=-morphos
+               ;;
+       msdos)
+               basic_machine=i386-pc
+               os=-msdos
+               ;;
+       ms1-*)
+               basic_machine=`echo $basic_machine | sed -e 's/ms1-/mt-/'`
+               ;;
+       msys)
+               basic_machine=i386-pc
+               os=-msys
+               ;;
+       mvs)
+               basic_machine=i370-ibm
+               os=-mvs
+               ;;
+       nacl)
+               basic_machine=le32-unknown
+               os=-nacl
                ;;
-       *mint | mint[0-9]* | *MiNT | *MiNT[0-9]*)
-               cpu=m68k
-               vendor=atari
-               os=mint
+       ncr3000)
+               basic_machine=i486-ncr
+               os=-sysv4
+               ;;
+       netbsd386)
+               basic_machine=i386-unknown
+               os=-netbsd
+               ;;
+       netwinder)
+               basic_machine=armv4l-rebel
+               os=-linux
+               ;;
+       news | news700 | news800 | news900)
+               basic_machine=m68k-sony
+               os=-newsos
+               ;;
+       news1000)
+               basic_machine=m68030-sony
+               os=-newsos
                ;;
        news-3600 | risc-news)
-               cpu=mips
-               vendor=sony
-               os=newsos
+               basic_machine=mips-sony
+               os=-newsos
                ;;
-       next | m*-next)
-               cpu=m68k
-               vendor=next
+       necv70)
+               basic_machine=v70-nec
+               os=-sysv
+               ;;
+       next | m*-next )
+               basic_machine=m68k-next
                case $os in
-                   openstep*)
-                       ;;
-                   nextstep*)
+                   -nextstep* )
                        ;;
-                   ns2*)
-                     os=nextstep2
+                   -ns2*)
+                     os=-nextstep2
                        ;;
                    *)
-                     os=nextstep3
+                     os=-nextstep3
                        ;;
                esac
                ;;
+       nh3000)
+               basic_machine=m68k-harris
+               os=-cxux
+               ;;
+       nh[45]000)
+               basic_machine=m88k-harris
+               os=-cxux
+               ;;
+       nindy960)
+               basic_machine=i960-intel
+               os=-nindy
+               ;;
+       mon960)
+               basic_machine=i960-intel
+               os=-mon960
+               ;;
+       nonstopux)
+               basic_machine=mips-compaq
+               os=-nonstopux
+               ;;
        np1)
-               cpu=np1
-               vendor=gould
+               basic_machine=np1-gould
+               ;;
+       neo-tandem)
+               basic_machine=neo-tandem
+               ;;
+       nse-tandem)
+               basic_machine=nse-tandem
+               ;;
+       nsr-tandem)
+               basic_machine=nsr-tandem
                ;;
        op50n-* | op60c-*)
-               cpu=hppa1.1
-               vendor=oki
-               os=proelf
+               basic_machine=hppa1.1-oki
+               os=-proelf
+               ;;
+       openrisc | openrisc-*)
+               basic_machine=or32-unknown
+               ;;
+       os400)
+               basic_machine=powerpc-ibm
+               os=-os400
+               ;;
+       OSE68000 | ose68000)
+               basic_machine=m68000-ericsson
+               os=-ose
+               ;;
+       os68k)
+               basic_machine=m68k-none
+               os=-os68k
                ;;
        pa-hitachi)
-               cpu=hppa1.1
-               vendor=hitachi
-               os=hiuxwe2
+               basic_machine=hppa1.1-hitachi
+               os=-hiuxwe2
+               ;;
+       paragon)
+               basic_machine=i860-intel
+               os=-osf
+               ;;
+       parisc)
+               basic_machine=hppa-unknown
+               os=-linux
+               ;;
+       parisc-*)
+               basic_machine=hppa-`echo $basic_machine | sed 's/^[^-]*-//'`
+               os=-linux
                ;;
        pbd)
-               cpu=sparc
-               vendor=tti
+               basic_machine=sparc-tti
                ;;
        pbb)
-               cpu=m68k
-               vendor=tti
+               basic_machine=m68k-tti
+               ;;
+       pc532 | pc532-*)
+               basic_machine=ns32k-pc532
                ;;
-       pc532)
-               cpu=ns32k
-               vendor=pc532
+       pc98)
+               basic_machine=i386-pc
+               ;;
+       pc98-*)
+               basic_machine=i386-`echo $basic_machine | sed 's/^[^-]*-//'`
+               ;;
+       pentium | p5 | k5 | k6 | nexgen | viac3)
+               basic_machine=i586-pc
+               ;;
+       pentiumpro | p6 | 6x86 | athlon | athlon_*)
+               basic_machine=i686-pc
+               ;;
+       pentiumii | pentium2 | pentiumiii | pentium3)
+               basic_machine=i686-pc
+               ;;
+       pentium4)
+               basic_machine=i786-pc
+               ;;
+       pentium-* | p5-* | k5-* | k6-* | nexgen-* | viac3-*)
+               basic_machine=i586-`echo $basic_machine | sed 's/^[^-]*-//'`
+               ;;
+       pentiumpro-* | p6-* | 6x86-* | athlon-*)
+               basic_machine=i686-`echo $basic_machine | sed 's/^[^-]*-//'`
+               ;;
+       pentiumii-* | pentium2-* | pentiumiii-* | pentium3-*)
+               basic_machine=i686-`echo $basic_machine | sed 's/^[^-]*-//'`
+               ;;
+       pentium4-*)
+               basic_machine=i786-`echo $basic_machine | sed 's/^[^-]*-//'`
                ;;
        pn)
-               cpu=pn
-               vendor=gould
+               basic_machine=pn-gould
                ;;
-       power)
-               cpu=power
-               vendor=ibm
+       power)  basic_machine=power-ibm
+               ;;
+       ppc | ppcbe)    basic_machine=powerpc-unknown
+               ;;
+       ppc-* | ppcbe-*)
+               basic_machine=powerpc-`echo $basic_machine | sed 's/^[^-]*-//'`
+               ;;
+       ppcle | powerpclittle | ppc-le | powerpc-little)
+               basic_machine=powerpcle-unknown
+               ;;
+       ppcle-* | powerpclittle-*)
+               basic_machine=powerpcle-`echo $basic_machine | sed 's/^[^-]*-//'`
+               ;;
+       ppc64)  basic_machine=powerpc64-unknown
+               ;;
+       ppc64-*) basic_machine=powerpc64-`echo $basic_machine | sed 's/^[^-]*-//'`
+               ;;
+       ppc64le | powerpc64little | ppc64-le | powerpc64-little)
+               basic_machine=powerpc64le-unknown
+               ;;
+       ppc64le-* | powerpc64little-*)
+               basic_machine=powerpc64le-`echo $basic_machine | sed 's/^[^-]*-//'`
                ;;
        ps2)
-               cpu=i386
-               vendor=ibm
+               basic_machine=i386-ibm
+               ;;
+       pw32)
+               basic_machine=i586-unknown
+               os=-pw32
+               ;;
+       rdos)
+               basic_machine=i386-pc
+               os=-rdos
+               ;;
+       rom68k)
+               basic_machine=m68k-rom68k
+               os=-coff
                ;;
        rm[46]00)
-               cpu=mips
-               vendor=siemens
+               basic_machine=mips-siemens
                ;;
        rtpc | rtpc-*)
-               cpu=romp
-               vendor=ibm
+               basic_machine=romp-ibm
                ;;
-       sde)
-               cpu=mipsisa32
-               vendor=sde
-               os=${os:-elf}
+       s390 | s390-*)
+               basic_machine=s390-ibm
                ;;
-       simso-wrs)
-               cpu=sparclite
-               vendor=wrs
-               os=vxworks
+       s390x | s390x-*)
+               basic_machine=s390x-ibm
                ;;
-       tower | tower-32)
-               cpu=m68k
-               vendor=ncr
+       sa29200)
+               basic_machine=a29k-amd
+               os=-udi
                ;;
-       vpp*|vx|vx-*)
-               cpu=f301
-               vendor=fujitsu
+       sb1)
+               basic_machine=mipsisa64sb1-unknown
                ;;
-       w65)
-               cpu=w65
-               vendor=wdc
+       sb1el)
+               basic_machine=mipsisa64sb1el-unknown
                ;;
-       w89k-*)
-               cpu=hppa1.1
-               vendor=winbond
-               os=proelf
+       sde)
+               basic_machine=mipsisa32-sde
+               os=-elf
                ;;
-       none)
-               cpu=none
-               vendor=none
+       sei)
+               basic_machine=mips-sei
+               os=-seiux
                ;;
-       leon|leon[3-9])
-               cpu=sparc
-               vendor=$basic_machine
+       sequent)
+               basic_machine=i386-sequent
                ;;
-       leon-*|leon[3-9]-*)
-               cpu=sparc
-               vendor=`echo "$basic_machine" | sed 's/-.*//'`
+       sh)
+               basic_machine=sh-hitachi
+               os=-hms
                ;;
-
-       *-*)
-               # shellcheck disable=SC2162
-               IFS="-" read cpu vendor <<EOF
-$basic_machine
-EOF
+       sh5el)
+               basic_machine=sh5le-unknown
                ;;
-       # We use `pc' rather than `unknown'
-       # because (1) that's what they normally are, and
-       # (2) the word "unknown" tends to confuse beginning users.
-       i*86 | x86_64)
-               cpu=$basic_machine
-               vendor=pc
+       sh64)
+               basic_machine=sh64-unknown
                ;;
-       # These rules are duplicated from below for sake of the special case above;
-       # i.e. things that normalized to x86 arches should also default to "pc"
-       pc98)
-               cpu=i386
-               vendor=pc
+       sparclite-wrs | simso-wrs)
+               basic_machine=sparclite-wrs
+               os=-vxworks
                ;;
-       x64 | amd64)
-               cpu=x86_64
-               vendor=pc
+       sps7)
+               basic_machine=m68k-bull
+               os=-sysv2
                ;;
-       # Recognize the basic CPU types without company name.
-       *)
-               cpu=$basic_machine
-               vendor=unknown
+       spur)
+               basic_machine=spur-unknown
                ;;
-esac
-
-unset -v basic_machine
-
-# Decode basic machines in the full and proper CPU-Company form.
-case $cpu-$vendor in
-       # Here we handle the default manufacturer of certain CPU types in canonical form. It is in
-       # some cases the only manufacturer, in others, it is the most popular.
-       craynv-unknown)
-               vendor=cray
-               os=${os:-unicosmp}
+       st2000)
+               basic_machine=m68k-tandem
                ;;
-       c90-unknown | c90-cray)
-               vendor=cray
-               os=${os:-unicos}
+       stratus)
+               basic_machine=i860-stratus
+               os=-sysv4
                ;;
-       fx80-unknown)
-               vendor=alliant
+       strongarm-* | thumb-*)
+               basic_machine=arm-`echo $basic_machine | sed 's/^[^-]*-//'`
                ;;
-       romp-unknown)
-               vendor=ibm
+       sun2)
+               basic_machine=m68000-sun
                ;;
-       mmix-unknown)
-               vendor=knuth
+       sun2os3)
+               basic_machine=m68000-sun
+               os=-sunos3
                ;;
-       microblaze-unknown | microblazeel-unknown)
-               vendor=xilinx
+       sun2os4)
+               basic_machine=m68000-sun
+               os=-sunos4
                ;;
-       rs6000-unknown)
-               vendor=ibm
+       sun3os3)
+               basic_machine=m68k-sun
+               os=-sunos3
                ;;
-       vax-unknown)
-               vendor=dec
+       sun3os4)
+               basic_machine=m68k-sun
+               os=-sunos4
                ;;
-       pdp11-unknown)
-               vendor=dec
+       sun4os3)
+               basic_machine=sparc-sun
+               os=-sunos3
                ;;
-       we32k-unknown)
-               vendor=att
+       sun4os4)
+               basic_machine=sparc-sun
+               os=-sunos4
                ;;
-       cydra-unknown)
-               vendor=cydrome
+       sun4sol2)
+               basic_machine=sparc-sun
+               os=-solaris2
                ;;
-       i370-ibm*)
-               vendor=ibm
+       sun3 | sun3-*)
+               basic_machine=m68k-sun
                ;;
-       orion-unknown)
-               vendor=highlevel
+       sun4)
+               basic_machine=sparc-sun
                ;;
-       xps-unknown | xps100-unknown)
-               cpu=xps100
-               vendor=honeywell
+       sun386 | sun386i | roadrunner)
+               basic_machine=i386-sun
                ;;
-
-       # Here we normalize CPU types with a missing or matching vendor
-       dpx20-unknown | dpx20-bull)
-               cpu=rs6000
-               vendor=bull
-               os=${os:-bosx}
+       sv1)
+               basic_machine=sv1-cray
+               os=-unicos
                ;;
-
-       # Here we normalize CPU types irrespective of the vendor
-       amd64-*)
-               cpu=x86_64
+       symmetry)
+               basic_machine=i386-sequent
+               os=-dynix
                ;;
-       blackfin-*)
-               cpu=bfin
-               os=linux
+       t3e)
+               basic_machine=alphaev5-cray
+               os=-unicos
                ;;
-       c54x-*)
-               cpu=tic54x
+       t90)
+               basic_machine=t90-cray
+               os=-unicos
                ;;
-       c55x-*)
-               cpu=tic55x
+       tile*)
+               basic_machine=$basic_machine-unknown
+               os=-linux-gnu
                ;;
-       c6x-*)
-               cpu=tic6x
+       tx39)
+               basic_machine=mipstx39-unknown
                ;;
-       e500v[12]-*)
-               cpu=powerpc
-               os=$os"spe"
+       tx39el)
+               basic_machine=mipstx39el-unknown
                ;;
-       mips3*-*)
-               cpu=mips64
+       toad1)
+               basic_machine=pdp10-xkl
+               os=-tops20
                ;;
-       ms1-*)
-               cpu=mt
+       tower | tower-32)
+               basic_machine=m68k-ncr
                ;;
-       m68knommu-*)
-               cpu=m68k
-               os=linux
+       tpf)
+               basic_machine=s390x-ibm
+               os=-tpf
                ;;
-       m9s12z-* | m68hcs12z-* | hcs12z-* | s12z-*)
-               cpu=s12z
+       udi29k)
+               basic_machine=a29k-amd
+               os=-udi
                ;;
-       openrisc-*)
-               cpu=or32
+       ultra3)
+               basic_machine=a29k-nyu
+               os=-sym1
                ;;
-       parisc-*)
-               cpu=hppa
-               os=linux
+       v810 | necv810)
+               basic_machine=v810-nec
+               os=-none
                ;;
-       pentium-* | p5-* | k5-* | k6-* | nexgen-* | viac3-*)
-               cpu=i586
+       vaxv)
+               basic_machine=vax-dec
+               os=-sysv
                ;;
-       pentiumpro-* | p6-* | 6x86-* | athlon-* | athalon_*-*)
-               cpu=i686
+       vms)
+               basic_machine=vax-dec
+               os=-vms
                ;;
-       pentiumii-* | pentium2-* | pentiumiii-* | pentium3-*)
-               cpu=i686
+       vpp*|vx|vx-*)
+               basic_machine=f301-fujitsu
                ;;
-       pentium4-*)
-               cpu=i786
+       vxworks960)
+               basic_machine=i960-wrs
+               os=-vxworks
                ;;
-       pc98-*)
-               cpu=i386
+       vxworks68)
+               basic_machine=m68k-wrs
+               os=-vxworks
                ;;
-       ppc-* | ppcbe-*)
-               cpu=powerpc
+       vxworks29k)
+               basic_machine=a29k-wrs
+               os=-vxworks
                ;;
-       ppcle-* | powerpclittle-*)
-               cpu=powerpcle
+       w65*)
+               basic_machine=w65-wdc
+               os=-none
                ;;
-       ppc64-*)
-               cpu=powerpc64
+       w89k-*)
+               basic_machine=hppa1.1-winbond
+               os=-proelf
                ;;
-       ppc64le-* | powerpc64little-*)
-               cpu=powerpc64le
+       xbox)
+               basic_machine=i686-pc
+               os=-mingw32
                ;;
-       sb1-*)
-               cpu=mipsisa64sb1
+       xps | xps100)
+               basic_machine=xps100-honeywell
                ;;
-       sb1el-*)
-               cpu=mipsisa64sb1el
+       xscale-* | xscalee[bl]-*)
+               basic_machine=`echo $basic_machine | sed 's/^xscale/arm/'`
                ;;
-       sh5e[lb]-*)
-               cpu=`echo "$cpu" | sed 's/^\(sh.\)e\(.\)$/\1\2e/'`
+       ymp)
+               basic_machine=ymp-cray
+               os=-unicos
                ;;
-       spur-*)
-               cpu=spur
+       z8k-*-coff)
+               basic_machine=z8k-unknown
+               os=-sim
                ;;
-       strongarm-* | thumb-*)
-               cpu=arm
+       z80-*-coff)
+               basic_machine=z80-unknown
+               os=-sim
                ;;
-       tx39-*)
-               cpu=mipstx39
+       none)
+               basic_machine=none-none
+               os=-none
                ;;
-       tx39el-*)
-               cpu=mipstx39el
+
+# Here we handle the default manufacturer of certain CPU types.  It is in
+# some cases the only manufacturer, in others, it is the most popular.
+       w89k)
+               basic_machine=hppa1.1-winbond
                ;;
-       x64-*)
-               cpu=x86_64
+       op50n)
+               basic_machine=hppa1.1-oki
                ;;
-       xscale-* | xscalee[bl]-*)
-               cpu=`echo "$cpu" | sed 's/^xscale/arm/'`
+       op60c)
+               basic_machine=hppa1.1-oki
                ;;
-
-       # Recognize the canonical CPU Types that limit and/or modify the
-       # company names they are paired with.
-       cr16-*)
-               os=${os:-elf}
+       romp)
+               basic_machine=romp-ibm
                ;;
-       crisv32-* | etraxfs*-*)
-               cpu=crisv32
-               vendor=axis
+       mmix)
+               basic_machine=mmix-knuth
                ;;
-       cris-* | etrax*-*)
-               cpu=cris
-               vendor=axis
+       rs6000)
+               basic_machine=rs6000-ibm
                ;;
-       crx-*)
-               os=${os:-elf}
+       vax)
+               basic_machine=vax-dec
                ;;
-       neo-tandem)
-               cpu=neo
-               vendor=tandem
+       pdp10)
+               # there are many clones, so DEC is not a safe bet
+               basic_machine=pdp10-unknown
                ;;
-       nse-tandem)
-               cpu=nse
-               vendor=tandem
+       pdp11)
+               basic_machine=pdp11-dec
                ;;
-       nsr-tandem)
-               cpu=nsr
-               vendor=tandem
+       we32k)
+               basic_machine=we32k-att
                ;;
-       nsv-tandem)
-               cpu=nsv
-               vendor=tandem
+       sh[1234] | sh[24]a | sh[24]aeb | sh[34]eb | sh[1234]le | sh[23]ele)
+               basic_machine=sh-unknown
                ;;
-       nsx-tandem)
-               cpu=nsx
-               vendor=tandem
+       sparc | sparcv8 | sparcv9 | sparcv9b | sparcv9v)
+               basic_machine=sparc-sun
                ;;
-       s390-*)
-               cpu=s390
-               vendor=ibm
+       cydra)
+               basic_machine=cydra-cydrome
                ;;
-       s390x-*)
-               cpu=s390x
-               vendor=ibm
+       orion)
+               basic_machine=orion-highlevel
                ;;
-       tile*-*)
-               os=${os:-linux-gnu}
+       orion105)
+               basic_machine=clipper-highlevel
+               ;;
+       mac | mpw | mac-mpw)
+               basic_machine=m68k-apple
+               ;;
+       pmac | pmac-mpw)
+               basic_machine=powerpc-apple
+               ;;
+       *-unknown)
+               # Make sure to match an already-canonicalized machine name.
                ;;
-
        *)
-               # Recognize the canonical CPU types that are allowed with any
-               # company name.
-               case $cpu in
-                       1750a | 580 \
-                       | a29k \
-                       | aarch64 | aarch64_be \
-                       | abacus \
-                       | alpha | alphaev[4-8] | alphaev56 | alphaev6[78] \
-                       | alpha64 | alpha64ev[4-8] | alpha64ev56 | alpha64ev6[78] \
-                       | alphapca5[67] | alpha64pca5[67] \
-                       | am33_2.0 \
-                       | amdgcn \
-                       | arc | arceb \
-                       | arm  | arm[lb]e | arme[lb] | armv* \
-                       | avr | avr32 \
-                       | asmjs \
-                       | ba \
-                       | be32 | be64 \
-                       | bfin | bpf | bs2000 \
-                       | c[123]* | c30 | [cjt]90 | c4x \
-                       | c8051 | clipper | craynv | csky | cydra \
-                       | d10v | d30v | dlx | dsp16xx \
-                       | e2k | elxsi | epiphany \
-                       | f30[01] | f700 | fido | fr30 | frv | ft32 | fx80 \
-                       | h8300 | h8500 \
-                       | hppa | hppa1.[01] | hppa2.0 | hppa2.0[nw] | hppa64 \
-                       | hexagon \
-                       | i370 | i*86 | i860 | i960 | ia16 | ia64 \
-                       | ip2k | iq2000 \
-                       | k1om \
-                       | le32 | le64 \
-                       | lm32 \
-                       | m32c | m32r | m32rle \
-                       | m5200 | m68000 | m680[012346]0 | m68360 | m683?2 | m68k \
-                       | m6811 | m68hc11 | m6812 | m68hc12 | m68hcs12x \
-                       | m88110 | m88k | maxq | mb | mcore | mep | metag \
-                       | microblaze | microblazeel \
-                       | mips | mipsbe | mipseb | mipsel | mipsle \
-                       | mips16 \
-                       | mips64 | mips64eb | mips64el \
-                       | mips64octeon | mips64octeonel \
-                       | mips64orion | mips64orionel \
-                       | mips64r5900 | mips64r5900el \
-                       | mips64vr | mips64vrel \
-                       | mips64vr4100 | mips64vr4100el \
-                       | mips64vr4300 | mips64vr4300el \
-                       | mips64vr5000 | mips64vr5000el \
-                       | mips64vr5900 | mips64vr5900el \
-                       | mipsisa32 | mipsisa32el \
-                       | mipsisa32r2 | mipsisa32r2el \
-                       | mipsisa32r6 | mipsisa32r6el \
-                       | mipsisa64 | mipsisa64el \
-                       | mipsisa64r2 | mipsisa64r2el \
-                       | mipsisa64r6 | mipsisa64r6el \
-                       | mipsisa64sb1 | mipsisa64sb1el \
-                       | mipsisa64sr71k | mipsisa64sr71kel \
-                       | mipsr5900 | mipsr5900el \
-                       | mipstx39 | mipstx39el \
-                       | mmix \
-                       | mn10200 | mn10300 \
-                       | moxie \
-                       | mt \
-                       | msp430 \
-                       | nds32 | nds32le | nds32be \
-                       | nfp \
-                       | nios | nios2 | nios2eb | nios2el \
-                       | none | np1 | ns16k | ns32k | nvptx \
-                       | open8 \
-                       | or1k* \
-                       | or32 \
-                       | orion \
-                       | picochip \
-                       | pdp10 | pdp11 | pj | pjl | pn | power \
-                       | powerpc | powerpc64 | powerpc64le | powerpcle | powerpcspe \
-                       | pru \
-                       | pyramid \
-                       | riscv | riscv32 | riscv64 \
-                       | rl78 | romp | rs6000 | rx \
-                       | score \
-                       | sh | shl \
-                       | sh[1234] | sh[24]a | sh[24]ae[lb] | sh[23]e | she[lb] | sh[lb]e \
-                       | sh[1234]e[lb] |  sh[12345][lb]e | sh[23]ele | sh64 | sh64le \
-                       | sparc | sparc64 | sparc64b | sparc64v | sparc86x | sparclet \
-                       | sparclite \
-                       | sparcv8 | sparcv9 | sparcv9b | sparcv9v | sv1 | sx* \
-                       | spu \
-                       | tahoe \
-                       | tic30 | tic4x | tic54x | tic55x | tic6x | tic80 \
-                       | tron \
-                       | ubicom32 \
-                       | v70 | v850 | v850e | v850e1 | v850es | v850e2 | v850e2v3 \
-                       | vax \
-                       | visium \
-                       | w65 \
-                       | wasm32 | wasm64 \
-                       | we32k \
-                       | x86 | x86_64 | xc16x | xgate | xps100 \
-                       | xstormy16 | xtensa* \
-                       | ymp \
-                       | z8k | z80)
-                               ;;
-
-                       *)
-                               echo Invalid configuration \`"$1"\': machine \`"$cpu-$vendor"\' not recognized 1>&2
-                               exit 1
-                               ;;
-               esac
+               echo Invalid configuration \`$1\': machine \`$basic_machine\' not recognized 1>&2
+               exit 1
                ;;
 esac
 
 # Here we canonicalize certain aliases for manufacturers.
-case $vendor in
-       digital*)
-               vendor=dec
+case $basic_machine in
+       *-digital*)
+               basic_machine=`echo $basic_machine | sed 's/digital.*/dec/'`
                ;;
-       commodore*)
-               vendor=cbm
+       *-commodore*)
+               basic_machine=`echo $basic_machine | sed 's/commodore.*/cbm/'`
                ;;
        *)
                ;;
@@ -1275,244 +1322,200 @@ esac
 
 # Decode manufacturer-specific aliases for certain operating systems.
 
-if [ x$os != x ]
+if [ x"$os" != x"" ]
 then
 case $os in
-       # First match some system type aliases that might get confused
-       # with valid system types.
-       # solaris* is a basic system type, with this one exception.
-       auroraux)
-               os=auroraux
-               ;;
-       bluegene*)
-               os=cnk
+       # First match some system type aliases
+       # that might get confused with valid system types.
+       # -solaris* is a basic system type, with this one exception.
+       -auroraux)
+               os=-auroraux
                ;;
-       solaris1 | solaris1.*)
+       -solaris1 | -solaris1.*)
                os=`echo $os | sed -e 's|solaris1|sunos4|'`
                ;;
-       solaris)
-               os=solaris2
-               ;;
-       unixware*)
-               os=sysv4.2uw
-               ;;
-       gnu/linux*)
-               os=`echo $os | sed -e 's|gnu/linux|linux-gnu|'`
-               ;;
-       # es1800 is here to avoid being matched by es* (a different OS)
-       es1800*)
-               os=ose
+       -solaris)
+               os=-solaris2
                ;;
-       # Some version numbers need modification
-       chorusos*)
-               os=chorusos
+       -svr4*)
+               os=-sysv4
                ;;
-       isc)
-               os=isc2.2
+       -unixware*)
+               os=-sysv4.2uw
                ;;
-       sco6)
-               os=sco5v6
-               ;;
-       sco5)
-               os=sco3.2v5
-               ;;
-       sco4)
-               os=sco3.2v4
-               ;;
-       sco3.2.[4-9]*)
-               os=`echo $os | sed -e 's/sco3.2./sco3.2v/'`
-               ;;
-       sco3.2v[4-9]* | sco5v6*)
-               # Don't forget version if it is 3.2v4 or newer.
-               ;;
-       scout)
-               # Don't match below
-               ;;
-       sco*)
-               os=sco3.2v2
-               ;;
-       psos*)
-               os=psos
+       -gnu/linux*)
+               os=`echo $os | sed -e 's|gnu/linux|linux-gnu|'`
                ;;
-       # Now accept the basic system types.
+       # First accept the basic system types.
        # The portable systems comes first.
-       # Each alternative MUST end in a * to match a version number.
-       # sysv* is not here because it comes later, after sysvr4.
-       gnu* | bsd* | mach* | minix* | genix* | ultrix* | irix* \
-            | *vms* | esix* | aix* | cnk* | sunos | sunos[34]*\
-            | hpux* | unos* | osf* | luna* | dgux* | auroraux* | solaris* \
-            | sym* | kopensolaris* | plan9* \
-            | amigaos* | amigados* | msdos* | newsos* | unicos* | aof* \
-            | aos* | aros* | cloudabi* | sortix* | twizzler* \
-            | nindy* | vxsim* | vxworks* | ebmon* | hms* | mvs* \
-            | clix* | riscos* | uniplus* | iris* | isc* | rtu* | xenix* \
-            | knetbsd* | mirbsd* | netbsd* \
-            | bitrig* | openbsd* | solidbsd* | libertybsd* | os108* \
-            | ekkobsd* | kfreebsd* | freebsd* | riscix* | lynxos* \
-            | bosx* | nextstep* | cxux* | aout* | elf* | oabi* \
-            | ptx* | coff* | ecoff* | winnt* | domain* | vsta* \
-            | udi* | eabi* | lites* | ieee* | go32* | aux* | hcos* \
-            | chorusrdb* | cegcc* | glidix* \
-            | cygwin* | msys* | pe* | moss* | proelf* | rtems* \
-            | midipix* | mingw32* | mingw64* | linux-gnu* | linux-android* \
-            | linux-newlib* | linux-musl* | linux-uclibc* \
-            | uxpv* | beos* | mpeix* | udk* | moxiebox* \
-            | interix* | uwin* | mks* | rhapsody* | darwin* \
-            | openstep* | oskit* | conix* | pw32* | nonstopux* \
-            | storm-chaos* | tops10* | tenex* | tops20* | its* \
-            | os2* | vos* | palmos* | uclinux* | nucleus* \
-            | morphos* | superux* | rtmk* | windiss* \
-            | powermax* | dnix* | nx6 | nx7 | sei* | dragonfly* \
-            | skyos* | haiku* | rdos* | toppers* | drops* | es* \
-            | onefs* | tirtos* | phoenix* | fuchsia* | redox* | bme* \
-            | midnightbsd* | amdhsa* | unleashed* | emscripten* | wasi* \
-            | nsk* | powerunix* | genode*)
+       # Each alternative MUST END IN A *, to match a version number.
+       # -sysv* is not here because it comes later, after sysvr4.
+       -gnu* | -bsd* | -mach* | -minix* | -genix* | -ultrix* | -irix* \
+             | -*vms* | -sco* | -esix* | -isc* | -aix* | -cnk* | -sunos | -sunos[34]*\
+             | -hpux* | -unos* | -osf* | -luna* | -dgux* | -auroraux* | -solaris* \
+             | -sym* | -kopensolaris* \
+             | -amigaos* | -amigados* | -msdos* | -newsos* | -unicos* | -aof* \
+             | -aos* | -aros* \
+             | -nindy* | -vxsim* | -vxworks* | -ebmon* | -hms* | -mvs* \
+             | -clix* | -riscos* | -uniplus* | -iris* | -rtu* | -xenix* \
+             | -hiux* | -386bsd* | -knetbsd* | -mirbsd* | -netbsd* \
+             | -bitrig* | -openbsd* | -solidbsd* \
+             | -ekkobsd* | -kfreebsd* | -freebsd* | -riscix* | -lynxos* \
+             | -bosx* | -nextstep* | -cxux* | -aout* | -elf* | -oabi* \
+             | -ptx* | -coff* | -ecoff* | -winnt* | -domain* | -vsta* \
+             | -udi* | -eabi* | -lites* | -ieee* | -go32* | -aux* \
+             | -chorusos* | -chorusrdb* | -cegcc* \
+             | -cygwin* | -msys* | -pe* | -psos* | -moss* | -proelf* | -rtems* \
+             | -mingw32* | -mingw64* | -linux-gnu* | -linux-android* \
+             | -linux-newlib* | -linux-musl* | -linux-uclibc* \
+             | -uxpv* | -beos* | -mpeix* | -udk* \
+             | -interix* | -uwin* | -mks* | -rhapsody* | -darwin* | -opened* \
+             | -openstep* | -oskit* | -conix* | -pw32* | -nonstopux* \
+             | -storm-chaos* | -tops10* | -tenex* | -tops20* | -its* \
+             | -os2* | -vos* | -palmos* | -uclinux* | -nucleus* \
+             | -morphos* | -superux* | -rtmk* | -rtmk-nova* | -windiss* \
+             | -powermax* | -dnix* | -nx6 | -nx7 | -sei* | -dragonfly* \
+             | -skyos* | -haiku* | -rdos* | -toppers* | -drops* | -es*)
        # Remember, each alternative MUST END IN *, to match a version number.
                ;;
-       qnx*)
-               case $cpu in
-                   x86 | i*86)
+       -qnx*)
+               case $basic_machine in
+                   x86-* | i*86-*)
                        ;;
                    *)
-                       os=nto-$os
+                       os=-nto$os
                        ;;
                esac
                ;;
-       hiux*)
-               os=hiuxwe2
+       -nto-qnx*)
                ;;
-       nto-qnx*)
-               ;;
-       nto*)
+       -nto*)
                os=`echo $os | sed -e 's|nto|nto-qnx|'`
                ;;
-       sim | xray | os68k* | v88r* \
-           | windows* | osx | abug | netware* | os9* \
-           | macos* | mpw* | magic* | mmixware* | mon960* | lnews*)
+       -sim | -es1800* | -hms* | -xray | -os68k* | -none* | -v88r* \
+             | -windows* | -osx | -abug | -netware* | -os9* | -beos* | -haiku* \
+             | -macos* | -mpw* | -magic* | -mmixware* | -mon960* | -lnews*)
+               ;;
+       -mac*)
+               os=`echo $os | sed -e 's|mac|macos|'`
                ;;
-       linux-dietlibc)
-               os=linux-dietlibc
+       -linux-dietlibc)
+               os=-linux-dietlibc
                ;;
-       linux*)
+       -linux*)
                os=`echo $os | sed -e 's|linux|linux-gnu|'`
                ;;
-       lynx*178)
-               os=lynxos178
+       -sunos5*)
+               os=`echo $os | sed -e 's|sunos5|solaris2|'`
                ;;
-       lynx*5)
-               os=lynxos5
+       -sunos6*)
+               os=`echo $os | sed -e 's|sunos6|solaris3|'`
                ;;
-       lynx*)
-               os=lynxos
+       -opened*)
+               os=-openedition
                ;;
-       mac*)
-               os=`echo "$os" | sed -e 's|mac|macos|'`
+       -os400*)
+               os=-os400
                ;;
-       opened*)
-               os=openedition
+       -wince*)
+               os=-wince
                ;;
-       os400*)
-               os=os400
+       -osfrose*)
+               os=-osfrose
                ;;
-       sunos5*)
-               os=`echo "$os" | sed -e 's|sunos5|solaris2|'`
+       -osf*)
+               os=-osf
                ;;
-       sunos6*)
-               os=`echo "$os" | sed -e 's|sunos6|solaris3|'`
+       -utek*)
+               os=-bsd
                ;;
-       wince*)
-               os=wince
+       -dynix*)
+               os=-bsd
                ;;
-       utek*)
-               os=bsd
+       -acis*)
+               os=-aos
                ;;
-       dynix*)
-               os=bsd
+       -atheos*)
+               os=-atheos
                ;;
-       acis*)
-               os=aos
+       -syllable*)
+               os=-syllable
                ;;
-       atheos*)
-               os=atheos
+       -386bsd)
+               os=-bsd
                ;;
-       syllable*)
-               os=syllable
+       -ctix* | -uts*)
+               os=-sysv
                ;;
-       386bsd)
-               os=bsd
+       -nova*)
+               os=-rtmk-nova
                ;;
-       ctix* | uts*)
-               os=sysv
+       -ns2 )
+               os=-nextstep2
                ;;
-       nova*)
-               os=rtmk-nova
-               ;;
-       ns2)
-               os=nextstep2
+       -nsk*)
+               os=-nsk
                ;;
        # Preserve the version number of sinix5.
-       sinix5.*)
+       -sinix5.*)
                os=`echo $os | sed -e 's|sinix|sysv|'`
                ;;
-       sinix*)
-               os=sysv4
+       -sinix*)
+               os=-sysv4
                ;;
-       tpf*)
-               os=tpf
+       -tpf*)
+               os=-tpf
                ;;
-       triton*)
-               os=sysv3
+       -triton*)
+               os=-sysv3
                ;;
-       oss*)
-               os=sysv3
+       -oss*)
+               os=-sysv3
                ;;
-       svr4*)
-               os=sysv4
+       -svr4)
+               os=-sysv4
                ;;
-       svr3)
-               os=sysv3
+       -svr3)
+               os=-sysv3
                ;;
-       sysvr4)
-               os=sysv4
+       -sysvr4)
+               os=-sysv4
                ;;
-       # This must come after sysvr4.
-       sysv*)
+       # This must come after -sysvr4.
+       -sysv*)
                ;;
-       ose*)
-               os=ose
+       -ose*)
+               os=-ose
                ;;
-       *mint | mint[0-9]* | *MiNT | MiNT[0-9]*)
-               os=mint
+       -es1800*)
+               os=-ose
                ;;
-       zvmoe)
-               os=zvmoe
+       -xenix)
+               os=-xenix
                ;;
-       dicos*)
-               os=dicos
+       -*mint | -mint[0-9]* | -*MiNT | -MiNT[0-9]*)
+               os=-mint
                ;;
-       pikeos*)
-               # Until real need of OS specific support for
-               # particular features comes up, bare metal
-               # configurations are quite functional.
-               case $cpu in
-                   arm*)
-                       os=eabi
-                       ;;
-                   *)
-                       os=elf
-                       ;;
-               esac
+       -aros*)
+               os=-aros
                ;;
-       nacl*)
+       -kaos*)
+               os=-kaos
                ;;
-       ios)
+       -zvmoe)
+               os=-zvmoe
                ;;
-       none)
+       -dicos*)
+               os=-dicos
                ;;
-       *-eabi)
+       -nacl*)
+               ;;
+       -none)
                ;;
        *)
-               echo Invalid configuration \`"$1"\': system \`"$os"\' not recognized 1>&2
+               # Get rid of the `-' at the beginning of $os.
+               os=`echo $os | sed 's/[^-]*-//'`
+               echo Invalid configuration \`$1\': system \`$os\' not recognized 1>&2
                exit 1
                ;;
 esac
@@ -1528,265 +1531,258 @@ else
 # will signal an error saying that MANUFACTURER isn't an operating
 # system, and we'll never get to this point.
 
-case $cpu-$vendor in
+case $basic_machine in
        score-*)
-               os=elf
+               os=-elf
                ;;
        spu-*)
-               os=elf
+               os=-elf
                ;;
        *-acorn)
-               os=riscix1.2
+               os=-riscix1.2
                ;;
        arm*-rebel)
-               os=linux
+               os=-linux
                ;;
        arm*-semi)
-               os=aout
+               os=-aout
                ;;
        c4x-* | tic4x-*)
-               os=coff
-               ;;
-       c8051-*)
-               os=elf
-               ;;
-       clipper-intergraph)
-               os=clix
+               os=-coff
                ;;
        hexagon-*)
-               os=elf
+               os=-elf
                ;;
        tic54x-*)
-               os=coff
+               os=-coff
                ;;
        tic55x-*)
-               os=coff
+               os=-coff
                ;;
        tic6x-*)
-               os=coff
+               os=-coff
                ;;
        # This must come before the *-dec entry.
        pdp10-*)
-               os=tops20
+               os=-tops20
                ;;
        pdp11-*)
-               os=none
+               os=-none
                ;;
        *-dec | vax-*)
-               os=ultrix4.2
+               os=-ultrix4.2
                ;;
        m68*-apollo)
-               os=domain
+               os=-domain
                ;;
        i386-sun)
-               os=sunos4.0.2
+               os=-sunos4.0.2
                ;;
        m68000-sun)
-               os=sunos3
+               os=-sunos3
                ;;
        m68*-cisco)
-               os=aout
+               os=-aout
                ;;
        mep-*)
-               os=elf
+               os=-elf
                ;;
        mips*-cisco)
-               os=elf
+               os=-elf
                ;;
        mips*-*)
-               os=elf
+               os=-elf
                ;;
        or32-*)
-               os=coff
+               os=-coff
                ;;
        *-tti)  # must be before sparc entry or we get the wrong os.
-               os=sysv3
+               os=-sysv3
                ;;
        sparc-* | *-sun)
-               os=sunos4.1.1
-               ;;
-       pru-*)
-               os=elf
+               os=-sunos4.1.1
                ;;
        *-be)
-               os=beos
+               os=-beos
+               ;;
+       *-haiku)
+               os=-haiku
                ;;
        *-ibm)
-               os=aix
+               os=-aix
                ;;
        *-knuth)
-               os=mmixware
+               os=-mmixware
                ;;
        *-wec)
-               os=proelf
+               os=-proelf
                ;;
        *-winbond)
-               os=proelf
+               os=-proelf
                ;;
        *-oki)
-               os=proelf
+               os=-proelf
                ;;
        *-hp)
-               os=hpux
+               os=-hpux
                ;;
        *-hitachi)
-               os=hiux
+               os=-hiux
                ;;
        i860-* | *-att | *-ncr | *-altos | *-motorola | *-convergent)
-               os=sysv
+               os=-sysv
                ;;
        *-cbm)
-               os=amigaos
+               os=-amigaos
                ;;
        *-dg)
-               os=dgux
+               os=-dgux
                ;;
        *-dolphin)
-               os=sysv3
+               os=-sysv3
                ;;
        m68k-ccur)
-               os=rtu
+               os=-rtu
                ;;
        m88k-omron*)
-               os=luna
+               os=-luna
                ;;
-       *-next)
-               os=nextstep
+       *-next )
+               os=-nextstep
                ;;
        *-sequent)
-               os=ptx
+               os=-ptx
                ;;
        *-crds)
-               os=unos
+               os=-unos
                ;;
        *-ns)
-               os=genix
+               os=-genix
                ;;
        i370-*)
-               os=mvs
+               os=-mvs
+               ;;
+       *-next)
+               os=-nextstep3
                ;;
        *-gould)
-               os=sysv
+               os=-sysv
                ;;
        *-highlevel)
-               os=bsd
+               os=-bsd
                ;;
        *-encore)
-               os=bsd
+               os=-bsd
                ;;
        *-sgi)
-               os=irix
+               os=-irix
                ;;
        *-siemens)
-               os=sysv4
+               os=-sysv4
                ;;
        *-masscomp)
-               os=rtu
+               os=-rtu
                ;;
        f30[01]-fujitsu | f700-fujitsu)
-               os=uxpv
+               os=-uxpv
                ;;
        *-rom68k)
-               os=coff
+               os=-coff
                ;;
        *-*bug)
-               os=coff
+               os=-coff
                ;;
        *-apple)
-               os=macos
+               os=-macos
                ;;
        *-atari*)
-               os=mint
-               ;;
-       *-wrs)
-               os=vxworks
+               os=-mint
                ;;
        *)
-               os=none
+               os=-none
                ;;
 esac
 fi
 
 # Here we handle the case where we know the os, and the CPU type, but not the
 # manufacturer.  We pick the logical manufacturer.
-case $vendor in
-       unknown)
+vendor=unknown
+case $basic_machine in
+       *-unknown)
                case $os in
-                       riscix*)
+                       -riscix*)
                                vendor=acorn
                                ;;
-                       sunos*)
+                       -sunos*)
                                vendor=sun
                                ;;
-                       cnk*|-aix*)
+                       -cnk*|-aix*)
                                vendor=ibm
                                ;;
-                       beos*)
+                       -beos*)
                                vendor=be
                                ;;
-                       hpux*)
+                       -hpux*)
                                vendor=hp
                                ;;
-                       mpeix*)
+                       -mpeix*)
                                vendor=hp
                                ;;
-                       hiux*)
+                       -hiux*)
                                vendor=hitachi
                                ;;
-                       unos*)
+                       -unos*)
                                vendor=crds
                                ;;
-                       dgux*)
+                       -dgux*)
                                vendor=dg
                                ;;
-                       luna*)
+                       -luna*)
                                vendor=omron
                                ;;
-                       genix*)
+                       -genix*)
                                vendor=ns
                                ;;
-                       clix*)
-                               vendor=intergraph
-                               ;;
-                       mvs* | opened*)
+                       -mvs* | -opened*)
                                vendor=ibm
                                ;;
-                       os400*)
+                       -os400*)
                                vendor=ibm
                                ;;
-                       ptx*)
+                       -ptx*)
                                vendor=sequent
                                ;;
-                       tpf*)
+                       -tpf*)
                                vendor=ibm
                                ;;
-                       vxsim* | vxworks* | windiss*)
+                       -vxsim* | -vxworks* | -windiss*)
                                vendor=wrs
                                ;;
-                       aux*)
+                       -aux*)
                                vendor=apple
                                ;;
-                       hms*)
+                       -hms*)
                                vendor=hitachi
                                ;;
-                       mpw* | macos*)
+                       -mpw* | -macos*)
                                vendor=apple
                                ;;
-                       *mint | mint[0-9]* | *MiNT | MiNT[0-9]*)
+                       -*mint | -mint[0-9]* | -*MiNT | -MiNT[0-9]*)
                                vendor=atari
                                ;;
-                       vos*)
+                       -vos*)
                                vendor=stratus
                                ;;
                esac
+               basic_machine=`echo $basic_machine | sed "s/unknown/$vendor/"`
                ;;
 esac
 
-echo "$cpu-$vendor-$os"
+echo $basic_machine$os
 exit
 
 # 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: "'"
index 377bb8687ffe16bfc79ea25c8667cabf72aaf2c2..ec298b53740270ce82b326c4c2deaa5dcdec4596 100755 (executable)
@@ -1,7 +1,7 @@
 #!/bin/sh
 # install - install a program, script, or datafile
 
-scriptversion=2011-11-20.07; # UTC
+scriptversion=2020-11-14.01; # UTC
 
 # This originates from X11R5 (mit/util/scripts/install.sh), which was
 # later released in X11R6 (xc/config/util/install.sh) with the
@@ -41,19 +41,15 @@ scriptversion=2011-11-20.07; # UTC
 # This script is compatible with the BSD install script, but was written
 # from scratch.
 
+tab='  '
 nl='
 '
-IFS=" ""       $nl"
+IFS=" $tab$nl"
 
-# set DOITPROG to echo to test this script
+# Set DOITPROG to "echo" to test this script.
 
-# Don't use :- since 4.3BSD and earlier shells don't like it.
 doit=${DOITPROG-}
-if test -z "$doit"; then
-  doit_exec=exec
-else
-  doit_exec=$doit
-fi
+doit_exec=${doit:-exec}
 
 # Put in absolute file names if you don't have them in your path;
 # or use environment vars.
@@ -68,22 +64,16 @@ mvprog=${MVPROG-mv}
 rmprog=${RMPROG-rm}
 stripprog=${STRIPPROG-strip}
 
-posix_glob='?'
-initialize_posix_glob='
-  test "$posix_glob" != "?" || {
-    if (set -f) 2>/dev/null; then
-      posix_glob=
-    else
-      posix_glob=:
-    fi
-  }
-'
-
 posix_mkdir=
 
 # Desired mode of installed file.
 mode=0755
 
+# Create dirs (including intermediate dirs) using mode 755.
+# This is like GNU 'install' as of coreutils 8.32 (2020).
+mkdir_umask=22
+
+backupsuffix=
 chgrpcmd=
 chmodcmd=$chmodprog
 chowncmd=
@@ -97,7 +87,7 @@ dir_arg=
 dst_arg=
 
 copy_on_change=false
-no_target_directory=
+is_target_a_directory=possibly
 
 usage="\
 Usage: $0 [OPTION]... [-T] SRCFILE DSTFILE
@@ -114,18 +104,28 @@ Options:
      --version  display version info and exit.
 
   -c            (ignored)
-  -C            install only if different (preserve the last data modification time)
+  -C            install only if different (preserve data modification time)
   -d            create directories instead of installing files.
   -g GROUP      $chgrpprog installed files to GROUP.
   -m MODE       $chmodprog installed files to MODE.
   -o USER       $chownprog installed files to USER.
+  -p            pass -p to $cpprog.
   -s            $stripprog installed files.
+  -S SUFFIX     attempt to back up existing files, with suffix SUFFIX.
   -t DIRECTORY  install into DIRECTORY.
   -T            report an error if DSTFILE is a directory.
 
 Environment variables override the default commands:
   CHGRPPROG CHMODPROG CHOWNPROG CMPPROG CPPROG MKDIRPROG MVPROG
   RMPROG STRIPPROG
+
+By default, rm is invoked with -f; when overridden with RMPROG,
+it's up to you to specify -f if you want it.
+
+If -S is not specified, no backups are attempted.
+
+Email bug reports to bug-automake@gnu.org.
+Automake home page: https://www.gnu.org/software/automake/
 "
 
 while test $# -ne 0; do
@@ -137,46 +137,62 @@ while test $# -ne 0; do
     -d) dir_arg=true;;
 
     -g) chgrpcmd="$chgrpprog $2"
-       shift;;
+        shift;;
 
     --help) echo "$usage"; exit $?;;
 
     -m) mode=$2
-       case $mode in
-         *' '* | *'    '* | *'
-'*       | *'*'* | *'?'* | *'['*)
-           echo "$0: invalid mode: $mode" >&2
-           exit 1;;
-       esac
-       shift;;
+        case $mode in
+          *' '* | *"$tab"* | *"$nl"* | *'*'* | *'?'* | *'['*)
+            echo "$0: invalid mode: $mode" >&2
+            exit 1;;
+        esac
+        shift;;
 
     -o) chowncmd="$chownprog $2"
-       shift;;
+        shift;;
+
+    -p) cpprog="$cpprog -p";;
 
     -s) stripcmd=$stripprog;;
 
-    -t) dst_arg=$2
-       # Protect names problematic for 'test' and other utilities.
-       case $dst_arg in
-         -* | [=\(\)!]) dst_arg=./$dst_arg;;
-       esac
-       shift;;
+    -S) backupsuffix="$2"
+        shift;;
 
-    -T) no_target_directory=true;;
+    -t)
+        is_target_a_directory=always
+        dst_arg=$2
+        # Protect names problematic for 'test' and other utilities.
+        case $dst_arg in
+          -* | [=\(\)!]) dst_arg=./$dst_arg;;
+        esac
+        shift;;
+
+    -T) is_target_a_directory=never;;
 
     --version) echo "$0 $scriptversion"; exit $?;;
 
-    --)        shift
-       break;;
+    --) shift
+        break;;
 
-    -*)        echo "$0: invalid option: $1" >&2
-       exit 1;;
+    -*) echo "$0: invalid option: $1" >&2
+        exit 1;;
 
     *)  break;;
   esac
   shift
 done
 
+# We allow the use of options -d and -T together, by making -d
+# take the precedence; this is for compatibility with GNU install.
+
+if test -n "$dir_arg"; then
+  if test -n "$dst_arg"; then
+    echo "$0: target directory not allowed when installing a directory." >&2
+    exit 1
+  fi
+fi
+
 if test $# -ne 0 && test -z "$dir_arg$dst_arg"; then
   # When -d is used, all remaining arguments are directories to create.
   # When -t is used, the destination is already specified.
@@ -207,6 +223,15 @@ if test $# -eq 0; then
   exit 0
 fi
 
+if test -z "$dir_arg"; then
+  if test $# -gt 1 || test "$is_target_a_directory" = always; then
+    if test ! -d "$dst_arg"; then
+      echo "$0: $dst_arg: Is not a directory." >&2
+      exit 1
+    fi
+  fi
+fi
+
 if test -z "$dir_arg"; then
   do_exit='(exit $ret); exit $ret'
   trap "ret=129; $do_exit" 1
@@ -223,16 +248,16 @@ if test -z "$dir_arg"; then
 
     *[0-7])
       if test -z "$stripcmd"; then
-       u_plus_rw=
+        u_plus_rw=
       else
-       u_plus_rw='% 200'
+        u_plus_rw='% 200'
       fi
       cp_umask=`expr '(' 777 - $mode % 1000 ')' $u_plus_rw`;;
     *)
       if test -z "$stripcmd"; then
-       u_plus_rw=
+        u_plus_rw=
       else
-       u_plus_rw=,u+rw
+        u_plus_rw=,u+rw
       fi
       cp_umask=$mode$u_plus_rw;;
   esac
@@ -250,6 +275,10 @@ do
     dstdir=$dst
     test -d "$dstdir"
     dstdir_status=$?
+    # Don't chown directories that already exist.
+    if test $dstdir_status = 0; then
+      chowncmd=""
+    fi
   else
 
     # Waiting for this to be detected by the "$cpprog $src $dsttmp" command
@@ -266,178 +295,148 @@ do
     fi
     dst=$dst_arg
 
-    # If destination is a directory, append the input filename; won't work
-    # if double slashes aren't ignored.
+    # If destination is a directory, append the input filename.
     if test -d "$dst"; then
-      if test -n "$no_target_directory"; then
-       echo "$0: $dst_arg: Is a directory" >&2
-       exit 1
+      if test "$is_target_a_directory" = never; then
+        echo "$0: $dst_arg: Is a directory" >&2
+        exit 1
       fi
       dstdir=$dst
-      dst=$dstdir/`basename "$src"`
+      dstbase=`basename "$src"`
+      case $dst in
+       */) dst=$dst$dstbase;;
+       *)  dst=$dst/$dstbase;;
+      esac
       dstdir_status=0
     else
-      # Prefer dirname, but fall back on a substitute if dirname fails.
-      dstdir=`
-       (dirname "$dst") 2>/dev/null ||
-       expr X"$dst" : 'X\(.*[^/]\)//*[^/][^/]*/*$' \| \
-            X"$dst" : 'X\(//\)[^/]' \| \
-            X"$dst" : 'X\(//\)$' \| \
-            X"$dst" : 'X\(/\)' \| . 2>/dev/null ||
-       echo X"$dst" |
-           sed '/^X\(.*[^/]\)\/\/*[^/][^/]*\/*$/{
-                  s//\1/
-                  q
-                }
-                /^X\(\/\/\)[^/].*/{
-                  s//\1/
-                  q
-                }
-                /^X\(\/\/\)$/{
-                  s//\1/
-                  q
-                }
-                /^X\(\/\).*/{
-                  s//\1/
-                  q
-                }
-                s/.*/./; q'
-      `
-
+      dstdir=`dirname "$dst"`
       test -d "$dstdir"
       dstdir_status=$?
     fi
   fi
 
+  case $dstdir in
+    */) dstdirslash=$dstdir;;
+    *)  dstdirslash=$dstdir/;;
+  esac
+
   obsolete_mkdir_used=false
 
   if test $dstdir_status != 0; then
     case $posix_mkdir in
       '')
-       # Create intermediate dirs using mode 755 as modified by the umask.
-       # This is like FreeBSD 'install' as of 1997-10-28.
-       umask=`umask`
-       case $stripcmd.$umask in
-         # Optimize common cases.
-         *[2367][2367]) mkdir_umask=$umask;;
-         .*0[02][02] | .[02][02] | .[02]) mkdir_umask=22;;
-
-         *[0-7])
-           mkdir_umask=`expr $umask + 22 \
-             - $umask % 100 % 40 + $umask % 20 \
-             - $umask % 10 % 4 + $umask % 2
-           `;;
-         *) mkdir_umask=$umask,go-w;;
-       esac
-
-       # With -d, create the new directory with the user-specified mode.
-       # Otherwise, rely on $mkdir_umask.
-       if test -n "$dir_arg"; then
-         mkdir_mode=-m$mode
+        # With -d, create the new directory with the user-specified mode.
+        # Otherwise, rely on $mkdir_umask.
+        if test -n "$dir_arg"; then
+          mkdir_mode=-m$mode
+        else
+          mkdir_mode=
+        fi
+
+        posix_mkdir=false
+       # The $RANDOM variable is not portable (e.g., dash).  Use it
+       # here however when possible just to lower collision chance.
+       tmpdir=${TMPDIR-/tmp}/ins$RANDOM-$$
+
+       trap '
+         ret=$?
+         rmdir "$tmpdir/a/b" "$tmpdir/a" "$tmpdir" 2>/dev/null
+         exit $ret
+       ' 0
+
+       # Because "mkdir -p" follows existing symlinks and we likely work
+       # directly in world-writeable /tmp, make sure that the '$tmpdir'
+       # directory is successfully created first before we actually test
+       # 'mkdir -p'.
+       if (umask $mkdir_umask &&
+           $mkdirprog $mkdir_mode "$tmpdir" &&
+           exec $mkdirprog $mkdir_mode -p -- "$tmpdir/a/b") >/dev/null 2>&1
+       then
+         if test -z "$dir_arg" || {
+              # Check for POSIX incompatibilities with -m.
+              # HP-UX 11.23 and IRIX 6.5 mkdir -m -p sets group- or
+              # other-writable bit of parent directory when it shouldn't.
+              # FreeBSD 6.1 mkdir -m -p sets mode of existing directory.
+              test_tmpdir="$tmpdir/a"
+              ls_ld_tmpdir=`ls -ld "$test_tmpdir"`
+              case $ls_ld_tmpdir in
+                d????-?r-*) different_mode=700;;
+                d????-?--*) different_mode=755;;
+                *) false;;
+              esac &&
+              $mkdirprog -m$different_mode -p -- "$test_tmpdir" && {
+                ls_ld_tmpdir_1=`ls -ld "$test_tmpdir"`
+                test "$ls_ld_tmpdir" = "$ls_ld_tmpdir_1"
+              }
+            }
+         then posix_mkdir=:
+         fi
+         rmdir "$tmpdir/a/b" "$tmpdir/a" "$tmpdir"
        else
-         mkdir_mode=
+         # Remove any dirs left behind by ancient mkdir implementations.
+         rmdir ./$mkdir_mode ./-p ./-- "$tmpdir" 2>/dev/null
        fi
-
-       posix_mkdir=false
-       case $umask in
-         *[123567][0-7][0-7])
-           # POSIX mkdir -p sets u+wx bits regardless of umask, which
-           # is incompatible with FreeBSD 'install' when (umask & 300) != 0.
-           ;;
-         *)
-           tmpdir=${TMPDIR-/tmp}/ins$RANDOM-$$
-           trap 'ret=$?; rmdir "$tmpdir/d" "$tmpdir" 2>/dev/null; exit $ret' 0
-
-           if (umask $mkdir_umask &&
-               exec $mkdirprog $mkdir_mode -p -- "$tmpdir/d") >/dev/null 2>&1
-           then
-             if test -z "$dir_arg" || {
-                  # Check for POSIX incompatibilities with -m.
-                  # HP-UX 11.23 and IRIX 6.5 mkdir -m -p sets group- or
-                  # other-writable bit of parent directory when it shouldn't.
-                  # FreeBSD 6.1 mkdir -m -p sets mode of existing directory.
-                  ls_ld_tmpdir=`ls -ld "$tmpdir"`
-                  case $ls_ld_tmpdir in
-                    d????-?r-*) different_mode=700;;
-                    d????-?--*) different_mode=755;;
-                    *) false;;
-                  esac &&
-                  $mkdirprog -m$different_mode -p -- "$tmpdir" && {
-                    ls_ld_tmpdir_1=`ls -ld "$tmpdir"`
-                    test "$ls_ld_tmpdir" = "$ls_ld_tmpdir_1"
-                  }
-                }
-             then posix_mkdir=:
-             fi
-             rmdir "$tmpdir/d" "$tmpdir"
-           else
-             # Remove any dirs left behind by ancient mkdir implementations.
-             rmdir ./$mkdir_mode ./-p ./-- 2>/dev/null
-           fi
-           trap '' 0;;
-       esac;;
+       trap '' 0;;
     esac
 
     if
       $posix_mkdir && (
-       umask $mkdir_umask &&
-       $doit_exec $mkdirprog $mkdir_mode -p -- "$dstdir"
+        umask $mkdir_umask &&
+        $doit_exec $mkdirprog $mkdir_mode -p -- "$dstdir"
       )
     then :
     else
 
-      # The umask is ridiculous, or mkdir does not conform to POSIX,
+      # mkdir does not conform to POSIX,
       # or it failed possibly due to a race condition.  Create the
       # directory the slow way, step by step, checking for races as we go.
 
       case $dstdir in
-       /*) prefix='/';;
-       [-=\(\)!]*) prefix='./';;
-       *)  prefix='';;
+        /*) prefix='/';;
+        [-=\(\)!]*) prefix='./';;
+        *)  prefix='';;
       esac
 
-      eval "$initialize_posix_glob"
-
       oIFS=$IFS
       IFS=/
-      $posix_glob set -f
+      set -f
       set fnord $dstdir
       shift
-      $posix_glob set +f
+      set +f
       IFS=$oIFS
 
       prefixes=
 
       for d
       do
-       test X"$d" = X && continue
-
-       prefix=$prefix$d
-       if test -d "$prefix"; then
-         prefixes=
-       else
-         if $posix_mkdir; then
-           (umask=$mkdir_umask &&
-            $doit_exec $mkdirprog $mkdir_mode -p -- "$dstdir") && break
-           # Don't fail if two instances are running concurrently.
-           test -d "$prefix" || exit 1
-         else
-           case $prefix in
-             *\'*) qprefix=`echo "$prefix" | sed "s/'/'\\\\\\\\''/g"`;;
-             *) qprefix=$prefix;;
-           esac
-           prefixes="$prefixes '$qprefix'"
-         fi
-       fi
-       prefix=$prefix/
+        test X"$d" = X && continue
+
+        prefix=$prefix$d
+        if test -d "$prefix"; then
+          prefixes=
+        else
+          if $posix_mkdir; then
+            (umask $mkdir_umask &&
+             $doit_exec $mkdirprog $mkdir_mode -p -- "$dstdir") && break
+            # Don't fail if two instances are running concurrently.
+            test -d "$prefix" || exit 1
+          else
+            case $prefix in
+              *\'*) qprefix=`echo "$prefix" | sed "s/'/'\\\\\\\\''/g"`;;
+              *) qprefix=$prefix;;
+            esac
+            prefixes="$prefixes '$qprefix'"
+          fi
+        fi
+        prefix=$prefix/
       done
 
       if test -n "$prefixes"; then
-       # Don't fail if two instances are running concurrently.
-       (umask $mkdir_umask &&
-        eval "\$doit_exec \$mkdirprog $prefixes") ||
-         test -d "$dstdir" || exit 1
-       obsolete_mkdir_used=true
+        # Don't fail if two instances are running concurrently.
+        (umask $mkdir_umask &&
+         eval "\$doit_exec \$mkdirprog $prefixes") ||
+          test -d "$dstdir" || exit 1
+        obsolete_mkdir_used=true
       fi
     fi
   fi
@@ -450,14 +449,25 @@ do
   else
 
     # Make a couple of temp file names in the proper directory.
-    dsttmp=$dstdir/_inst.$$_
-    rmtmp=$dstdir/_rm.$$_
+    dsttmp=${dstdirslash}_inst.$$_
+    rmtmp=${dstdirslash}_rm.$$_
 
     # Trap to clean up those temp files at exit.
     trap 'ret=$?; rm -f "$dsttmp" "$rmtmp" && exit $ret' 0
 
     # Copy the file name to the temp name.
-    (umask $cp_umask && $doit_exec $cpprog "$src" "$dsttmp") &&
+    (umask $cp_umask &&
+     { test -z "$stripcmd" || {
+        # Create $dsttmp read-write so that cp doesn't create it read-only,
+        # which would cause strip to fail.
+        if test -z "$doit"; then
+          : >"$dsttmp" # No need to fork-exec 'touch'.
+        else
+          $doit touch "$dsttmp"
+        fi
+       }
+     } &&
+     $doit_exec $cpprog "$src" "$dsttmp") &&
 
     # and set any options; do chmod last to preserve setuid bits.
     #
@@ -472,20 +482,24 @@ do
 
     # If -C, don't bother to copy if it wouldn't change the file.
     if $copy_on_change &&
-       old=`LC_ALL=C ls -dlL "$dst"    2>/dev/null` &&
-       new=`LC_ALL=C ls -dlL "$dsttmp" 2>/dev/null` &&
-
-       eval "$initialize_posix_glob" &&
-       $posix_glob set -f &&
+       old=`LC_ALL=C ls -dlL "$dst"     2>/dev/null` &&
+       new=`LC_ALL=C ls -dlL "$dsttmp"  2>/dev/null` &&
+       set -f &&
        set X $old && old=:$2:$4:$5:$6 &&
        set X $new && new=:$2:$4:$5:$6 &&
-       $posix_glob set +f &&
-
+       set +f &&
        test "$old" = "$new" &&
        $cmpprog "$dst" "$dsttmp" >/dev/null 2>&1
     then
       rm -f "$dsttmp"
     else
+      # If $backupsuffix is set, and the file being installed
+      # already exists, attempt a backup.  Don't worry if it fails,
+      # e.g., if mv doesn't support -f.
+      if test -n "$backupsuffix" && test -f "$dst"; then
+        $doit $mvcmd -f "$dst" "$dst$backupsuffix" 2>/dev/null
+      fi
+
       # Rename the file to the real destination.
       $doit $mvcmd -f "$dsttmp" "$dst" 2>/dev/null ||
 
@@ -493,24 +507,24 @@ do
       # to itself, or perhaps because mv is so ancient that it does not
       # support -f.
       {
-       # Now remove or move aside any old file at destination location.
-       # We try this two ways since rm can't unlink itself on some
-       # systems and the destination file might be busy for other
-       # reasons.  In this case, the final cleanup might fail but the new
-       # file should still install successfully.
-       {
-         test ! -f "$dst" ||
-         $doit $rmcmd -f "$dst" 2>/dev/null ||
-         { $doit $mvcmd -f "$dst" "$rmtmp" 2>/dev/null &&
-           { $doit $rmcmd -f "$rmtmp" 2>/dev/null; :; }
-         } ||
-         { echo "$0: cannot unlink or rename $dst" >&2
-           (exit 1); exit 1
-         }
-       } &&
-
-       # Now rename the file to the real destination.
-       $doit $mvcmd "$dsttmp" "$dst"
+        # Now remove or move aside any old file at destination location.
+        # We try this two ways since rm can't unlink itself on some
+        # systems and the destination file might be busy for other
+        # reasons.  In this case, the final cleanup might fail but the new
+        # file should still install successfully.
+        {
+          test ! -f "$dst" ||
+          $doit $rmcmd "$dst" 2>/dev/null ||
+          { $doit $mvcmd -f "$dst" "$rmtmp" 2>/dev/null &&
+            { $doit $rmcmd "$rmtmp" 2>/dev/null; :; }
+          } ||
+          { echo "$0: cannot unlink or rename $dst" >&2
+            (exit 1); exit 1
+          }
+        } &&
+
+        # Now rename the file to the real destination.
+        $doit $mvcmd "$dsttmp" "$dst"
       }
     fi || exit 1
 
@@ -519,9 +533,9 @@ do
 done
 
 # Local variables:
-# eval: (add-hook 'write-file-hooks 'time-stamp)
+# eval: (add-hook 'before-save-hook 'time-stamp)
 # time-stamp-start: "scriptversion="
 # time-stamp-format: "%:y-%02m-%02d.%02H"
-# time-stamp-time-zone: "UTC"
+# time-stamp-time-zone: "UTC0"
 # time-stamp-end: "; # UTC"
 # End: