ICU-64260.0.1.tar.gz

[apple/icu.git] / icuSources / config.guess
diff --git a/icuSources/config.guess b/icuSources/config.guess

index dff9e481b70f9505b49ce999629a168a19976f4f..31e01efec3e3bb01d289f24d77baddb4f47a1f93 100644 (file)
--- a/icuSources/config.guess
+++ b/icuSources/config.guess
@@ -1,13 +1,12 @@
  #! /bin/sh
  # Attempt to guess a canonical system name.
  #! /bin/sh
  # Attempt to guess a canonical system name.
-#   Copyright (C) 1992, 1993, 1994, 1995, 1996, 1997, 1998, 1999, 2000, 2001
-#   Free Software Foundation, Inc.
+#   Copyright 1992-2017 Free Software Foundation, Inc.
  
  
-timestamp='2001-09-04'
+timestamp='2017-11-07'
  
  # 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
  
  # 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
+# the Free Software Foundation; either version 3 of the License, or
  # (at your option) any later version.
  #
  # This program is distributed in the hope that it will be useful, but
  # (at your option) any later version.
  #
  # This program is distributed in the hope that it will be useful, but
@@ -16,23 +15,22 @@ timestamp='2001-09-04'
  # General Public License for more details.
  #
  # You should have received a copy of the GNU General Public License
  # General Public License for more details.
  #
  # You should have received a copy of the GNU General Public License
-# along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
+# along with this program; if not, see <https://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
  #
  # 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.
-
-# Written by Per Bothner <bothner@cygnus.com>.
-# Please send patches to <config-patches@gnu.org>.
+# 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").
+#
+# 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
  #
  #
-# The plan is that this can be called by configure scripts if you
-# don't specify an explicit build system type.
+# Please send patches to <config-patches@gnu.org>.
+
  
  me=`echo "$0" | sed -e 's,.*/,,'`
  
  
  me=`echo "$0" | sed -e 's,.*/,,'`
  
@@ -41,7 +39,7 @@ Usage: $0 [OPTION]
  
  Output the configuration name of the system \`$me' is run on.
  
  
  Output the configuration name of the system \`$me' is run on.
  
-Operation modes:
+Options:
    -h, --help         print this help, then exit
    -t, --time-stamp   print date of last modification, then exit
    -v, --version      print version number, then exit
    -h, --help         print this help, then exit
    -t, --time-stamp   print date of last modification, then exit
    -v, --version      print version number, then exit
@@ -52,8 +50,7 @@ version="\
  GNU config.guess ($timestamp)
  
  Originally written by Per Bothner.
  GNU config.guess ($timestamp)
  
  Originally written by Per Bothner.
-Copyright (C) 1992, 1993, 1994, 1995, 1996, 1997, 1998, 1999, 2000, 2001
-Free Software Foundation, Inc.
+Copyright 1992-2017 Free Software Foundation, Inc.
  
  This is free software; see the source for copying conditions.  There is NO
  warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE."
  
  This is free software; see the source for copying conditions.  There is NO
  warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE."
@@ -65,11 +62,11 @@ Try \`$me --help' for more information."
  while test $# -gt 0 ; do
    case $1 in
      --time-stamp | --time* | -t )
  while test $# -gt 0 ; do
    case $1 in
      --time-stamp | --time* | -t )
-       echo "$timestamp" ; exit 0 ;;
+       echo "$timestamp" ; exit ;;
      --version | -v )
      --version | -v )
-       echo "$version" ; exit 0 ;;
+       echo "$version" ; exit ;;
      --help | --h* | -h )
      --help | --h* | -h )
-       echo "$usage"; exit 0 ;;
+       echo "$usage"; exit ;;
      -- )     # Stop option processing
         shift; break ;;
      - )        # Use stdin as input.
      -- )     # Stop option processing
         shift; break ;;
      - )        # Use stdin as input.
@@ -87,30 +84,42 @@ if test $# != 0; then
    exit 1
  fi
  
    exit 1
  fi
  
+trap 'exit 1' 1 2 15
  
  
-dummy=dummy-$$
-trap 'rm -f $dummy.c $dummy.o $dummy.rel $dummy; 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
+# headache to deal with in a portable fashion.
  
  
-# CC_FOR_BUILD -- compiler used by this script.
  # Historically, `CC_FOR_BUILD' used to be named `HOST_CC'. We still
  # use `HOST_CC' if defined, but it is deprecated.
  
  # Historically, `CC_FOR_BUILD' used to be named `HOST_CC'. We still
  # use `HOST_CC' if defined, but it is deprecated.
  
-set_cc_for_build='case $CC_FOR_BUILD,$HOST_CC,$CC in
- ,,)    echo "int dummy(){}" > $dummy.c ;
-       for c in cc gcc c89 ; do
-         ($c $dummy.c -c -o $dummy.o) >/dev/null 2>&1 ;
-         if test $? = 0 ; then
+# Portable tmp directory creation inspired by the Autoconf team.
+
+set_cc_for_build='
+trap "exitcode=\$?; (rm -f \$tmpfiles 2>/dev/null; rmdir \$tmp 2>/dev/null) && exit \$exitcode" 0 ;
+trap "rm -f \$tmpfiles 2>/dev/null; rmdir \$tmp 2>/dev/null; exit 1" 1 2 13 15 ;
+: ${TMPDIR=/tmp} ;
+ { tmp=`(umask 077 && mktemp -d "$TMPDIR/cgXXXXXX") 2>/dev/null` && test -n "$tmp" && test -d "$tmp" ; } ||
+ { test -n "$RANDOM" && tmp=$TMPDIR/cg$$-$RANDOM && (umask 077 && mkdir $tmp) ; } ||
+ { tmp=$TMPDIR/cg-$$ && (umask 077 && mkdir $tmp) && echo "Warning: creating insecure temp directory" >&2 ; } ||
+ { echo "$me: cannot create a temporary directory in $TMPDIR" >&2 ; exit 1 ; } ;
+dummy=$tmp/dummy ;
+tmpfiles="$dummy.c $dummy.o $dummy.rel $dummy" ;
+case $CC_FOR_BUILD,$HOST_CC,$CC in
+ ,,)    echo "int x;" > $dummy.c ;
+       for c in cc gcc c89 c99 ; do
+         if ($c -c -o $dummy.o $dummy.c) >/dev/null 2>&1 ; then
              CC_FOR_BUILD="$c"; break ;
           fi ;
         done ;
              CC_FOR_BUILD="$c"; break ;
           fi ;
         done ;
-       rm -f $dummy.c $dummy.o $dummy.rel ;
         if test x"$CC_FOR_BUILD" = x ; then
           CC_FOR_BUILD=no_compiler_found ;
         fi
         ;;
   ,,*)   CC_FOR_BUILD=$CC ;;
   ,*,*)  CC_FOR_BUILD=$HOST_CC ;;
         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'
+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)
  
  # This is needed to find uname on a Pyramid OSx when run in the BSD universe.
  # (ghazi@noc.rutgers.edu 1994-08-24)
@@ -123,36 +132,69 @@ 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
  
  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
+
+       eval $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'`
+       ;;
+esac
+
  # Note: order is significant - the case branches are not exclusive.
  
  case "${UNAME_MACHINE}:${UNAME_SYSTEM}:${UNAME_RELEASE}:${UNAME_VERSION}" in
      *:NetBSD:*:*)
  # Note: order is significant - the case branches are not exclusive.
  
  case "${UNAME_MACHINE}:${UNAME_SYSTEM}:${UNAME_RELEASE}:${UNAME_VERSION}" in
      *:NetBSD:*:*)
-       # Netbsd (nbsd) targets should (where applicable) match one or
-       # more of the tupples: *-*-netbsdelf*, *-*-netbsdaout*,
+       # NetBSD (nbsd) targets should (where applicable) match one or
+       # more of the tuples: *-*-netbsdelf*, *-*-netbsdaout*,
         # *-*-netbsdecoff* and *-*-netbsd*.  For targets that recently
         # switched to ELF, *-*-netbsd* would select the old
         # object file format.  This provides both forward
         # compatibility and a consistent mechanism for selecting the
         # object file format.
         # *-*-netbsdecoff* and *-*-netbsd*.  For targets that recently
         # switched to ELF, *-*-netbsd* would select the old
         # object file format.  This provides both forward
         # compatibility and a consistent mechanism for selecting the
         # object file format.
-       # Determine the machine/vendor (is the vendor relevant).
-       case "${UNAME_MACHINE}" in
-           amiga) machine=m68k-unknown ;;
-           arm32) machine=arm-unknown ;;
-           atari*) machine=m68k-atari ;;
-           sun3*) machine=m68k-sun ;;
-           mac68k) machine=m68k-apple ;;
-           macppc) machine=powerpc-apple ;;
-           hp3[0-9][05]) machine=m68k-hp ;;
-           ibmrt|romp-ibm) machine=romp-ibm ;;
-           *) machine=${UNAME_MACHINE}-unknown ;;
+       #
+       # Note: NetBSD doesn't particularly care about the vendor
+       # portion of the name.  We always set it to "unknown".
+       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
+           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 ;;
         esac
         # The Operating System including object format, if it has switched
         esac
         # The Operating System including object format, if it has switched
-       # to ELF recently, or will in the future.
-       case "${UNAME_MACHINE}" in
-           i386|sparc|amiga|arm*|hp300|mvme68k|vax|atari|luna68k|mac68k|news68k|next68k|pc532|sun3*|x68k)
+       # to ELF recently (or will in the future) and ABI.
+       case "${UNAME_MACHINE_ARCH}" in
+           earm*)
+               os=netbsdelf
+               ;;
+           arm*|i386|m68k|ns32k|sh3*|sparc|vax)
                 eval $set_cc_for_build
                 if echo __ELF__ | $CC_FOR_BUILD -E - 2>/dev/null \
                 eval $set_cc_for_build
                 if echo __ELF__ | $CC_FOR_BUILD -E - 2>/dev/null \
-                       | grep __ELF__ >/dev/null
+                       | grep -q __ELF__
                 then
                     # Once all utilities can be ECOFF (netbsdecoff) or a.out (netbsdaout).
                     # Return netbsd for either.  FIX?
                 then
                     # Once all utilities can be ECOFF (netbsdecoff) or a.out (netbsdaout).
                     # Return netbsd for either.  FIX?
@@ -162,124 +204,150 @@ case "${UNAME_MACHINE}:${UNAME_SYSTEM}:${UNAME_RELEASE}:${UNAME_VERSION}" in
                 fi
                 ;;
             *)
                 fi
                 ;;
             *)
-               os=netbsd
+               os=netbsd
+               ;;
+       esac
+       # Determine ABI tags.
+       case "${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
                 ;;
         esac
         # The OS release
-       release=`echo ${UNAME_RELEASE}|sed -e 's/[-_].*/\./'`
+       # Debian GNU/NetBSD machines have a different userland, and
+       # thus, need a distinct triplet. However, they do not need
+       # kernel version information, so it can be replaced with a
+       # suitable tag, in the style of linux-gnu.
+       case "${UNAME_VERSION}" in
+           Debian*)
+               release='-gnu'
+               ;;
+           *)
+               release=`echo ${UNAME_RELEASE} | sed -e 's/[-_].*//' | cut -d. -f1,2`
+               ;;
+       esac
         # Since CPU_TYPE-MANUFACTURER-KERNEL-OPERATING_SYSTEM:
         # contains redundant information, the shorter form:
         # CPU_TYPE-MANUFACTURER-OPERATING_SYSTEM is used.
         # Since CPU_TYPE-MANUFACTURER-KERNEL-OPERATING_SYSTEM:
         # contains redundant information, the shorter form:
         # CPU_TYPE-MANUFACTURER-OPERATING_SYSTEM is used.
-       echo "${machine}-${os}${release}"
-       exit 0 ;;
+       echo "${machine}-${os}${release}${abi}"
+       exit ;;
+    *:Bitrig:*:*)
+       UNAME_MACHINE_ARCH=`arch | sed 's/Bitrig.//'`
+       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}
+       exit ;;
+    *:ekkoBSD:*:*)
+       echo ${UNAME_MACHINE}-unknown-ekkobsd${UNAME_RELEASE}
+       exit ;;
+    *:SolidBSD:*:*)
+       echo ${UNAME_MACHINE}-unknown-solidbsd${UNAME_RELEASE}
+       exit ;;
+    macppc:MirBSD:*:*)
+       echo powerpc-unknown-mirbsd${UNAME_RELEASE}
+       exit ;;
+    *:MirBSD:*:*)
+       echo ${UNAME_MACHINE}-unknown-mirbsd${UNAME_RELEASE}
+       exit ;;
+    *:Sortix:*:*)
+       echo ${UNAME_MACHINE}-unknown-sortix
+       exit ;;
+    *:Redox:*:*)
+       echo ${UNAME_MACHINE}-unknown-redox
+       exit ;;
      alpha:OSF1:*:*)
      alpha:OSF1:*:*)
-       if test $UNAME_RELEASE = "V4.0"; then
+       case $UNAME_RELEASE in
+       *4.0)
                 UNAME_RELEASE=`/usr/sbin/sizer -v | awk '{print $3}'`
                 UNAME_RELEASE=`/usr/sbin/sizer -v | awk '{print $3}'`
-       fi
+               ;;
+       *5.*)
+               UNAME_RELEASE=`/usr/sbin/sizer -v | awk '{print $4}'`
+               ;;
+       esac
+       # According to Compaq, /usr/sbin/psrinfo has been available on
+       # OSF/1 and Tru64 systems produced since 1995.  I hope that
+       # covers most systems running today.  This code pipes the CPU
+       # types through head -n 1, so we only detect the type of CPU 0.
+       ALPHA_CPU_TYPE=`/usr/sbin/psrinfo -v | sed -n -e 's/^  The alpha \(.*\) processor.*$/\1/p' | head -n 1`
+       case "$ALPHA_CPU_TYPE" in
+           "EV4 (21064)")
+               UNAME_MACHINE=alpha ;;
+           "EV4.5 (21064)")
+               UNAME_MACHINE=alpha ;;
+           "LCA4 (21066/21068)")
+               UNAME_MACHINE=alpha ;;
+           "EV5 (21164)")
+               UNAME_MACHINE=alphaev5 ;;
+           "EV5.6 (21164A)")
+               UNAME_MACHINE=alphaev56 ;;
+           "EV5.6 (21164PC)")
+               UNAME_MACHINE=alphapca56 ;;
+           "EV5.7 (21164PC)")
+               UNAME_MACHINE=alphapca57 ;;
+           "EV6 (21264)")
+               UNAME_MACHINE=alphaev6 ;;
+           "EV6.7 (21264A)")
+               UNAME_MACHINE=alphaev67 ;;
+           "EV6.8CB (21264C)")
+               UNAME_MACHINE=alphaev68 ;;
+           "EV6.8AL (21264B)")
+               UNAME_MACHINE=alphaev68 ;;
+           "EV6.8CX (21264D)")
+               UNAME_MACHINE=alphaev68 ;;
+           "EV6.9A (21264/EV69A)")
+               UNAME_MACHINE=alphaev69 ;;
+           "EV7 (21364)")
+               UNAME_MACHINE=alphaev7 ;;
+           "EV7.9 (21364A)")
+               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.
         # 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.
-       cat <<EOF >$dummy.s
-       .data
-\$Lformat:
-       .byte 37,100,45,37,120,10,0     # "%d-%x\n"
-
-       .text
-       .globl main
-       .align 4
-       .ent main
-main:
-       .frame \$30,16,\$26,0
-       ldgp \$29,0(\$27)
-       .prologue 1
-       .long 0x47e03d80 # implver \$0
-       lda \$2,-1
-       .long 0x47e20c21 # amask \$2,\$1
-       lda \$16,\$Lformat
-       mov \$0,\$17
-       not \$1,\$18
-       jsr \$26,printf
-       ldgp \$29,0(\$26)
-       mov 0,\$16
-       jsr \$26,exit
-       .end main
-EOF
-       eval $set_cc_for_build
-       $CC_FOR_BUILD $dummy.s -o $dummy 2>/dev/null
-       if test "$?" = 0 ; then
-               case `./$dummy` in
-                       0-0)
-                               UNAME_MACHINE="alpha"
-                               ;;
-                       1-0)
-                               UNAME_MACHINE="alphaev5"
-                               ;;
-                       1-1)
-                               UNAME_MACHINE="alphaev56"
-                               ;;
-                       1-101)
-                               UNAME_MACHINE="alphapca56"
-                               ;;
-                       2-303)
-                               UNAME_MACHINE="alphaev6"
-                               ;;
-                       2-307)
-                               UNAME_MACHINE="alphaev67"
-                               ;;
-                       2-1307)
-                               UNAME_MACHINE="alphaev68"
-                               ;;
-               esac
-       fi
-       rm -f $dummy.s $dummy
-       echo ${UNAME_MACHINE}-dec-osf`echo ${UNAME_RELEASE} | sed -e 's/^[VTX]//' | tr 'ABCDEFGHIJKLMNOPQRSTUVWXYZ' 'abcdefghijklmnopqrstuvwxyz'`
-       exit 0 ;;
-    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 0 ;;
-    21064:Windows_NT:50:3)
-       echo alpha-dec-winnt3.5
-       exit 0 ;;
+       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 $exitcode ;;
      Amiga*:UNIX_System_V:4.0:*)
         echo m68k-unknown-sysv4
      Amiga*:UNIX_System_V:4.0:*)
         echo m68k-unknown-sysv4
-       exit 0;;
-    amiga:OpenBSD:*:*)
-       echo m68k-unknown-openbsd${UNAME_RELEASE}
-       exit 0 ;;
+       exit ;;
      *:[Aa]miga[Oo][Ss]:*:*)
         echo ${UNAME_MACHINE}-unknown-amigaos
      *:[Aa]miga[Oo][Ss]:*:*)
         echo ${UNAME_MACHINE}-unknown-amigaos
-       exit 0 ;;
-    arc64:OpenBSD:*:*)
-       echo mips64el-unknown-openbsd${UNAME_RELEASE}
-       exit 0 ;;
-    arc:OpenBSD:*:*)
-       echo mipsel-unknown-openbsd${UNAME_RELEASE}
-       exit 0 ;;
-    hkmips:OpenBSD:*:*)
-       echo mips-unknown-openbsd${UNAME_RELEASE}
-       exit 0 ;;
-    pmax:OpenBSD:*:*)
-       echo mipsel-unknown-openbsd${UNAME_RELEASE}
-       exit 0 ;;
-    sgi:OpenBSD:*:*)
-       echo mips-unknown-openbsd${UNAME_RELEASE}
-       exit 0 ;;
-    wgrisc:OpenBSD:*:*)
-       echo mipsel-unknown-openbsd${UNAME_RELEASE}
-       exit 0 ;;
+       exit ;;
+    *:[Mm]orph[Oo][Ss]:*:*)
+       echo ${UNAME_MACHINE}-unknown-morphos
+       exit ;;
      *:OS/390:*:*)
         echo i370-ibm-openedition
      *:OS/390:*:*)
         echo i370-ibm-openedition
-       exit 0 ;;
+       exit ;;
+    *:z/VM:*:*)
+       echo s390-ibm-zvmoe
+       exit ;;
+    *:OS400:*:*)
+       echo powerpc-ibm-os400
+       exit ;;
      arm:RISC*:1.[012]*:*|arm:riscix:1.[012]*:*)
         echo arm-acorn-riscix${UNAME_RELEASE}
      arm:RISC*:1.[012]*:*|arm:riscix:1.[012]*:*)
         echo arm-acorn-riscix${UNAME_RELEASE}
-       exit 0;;
+       exit ;;
+    arm*:riscos:*:*|arm*:RISCOS:*:*)
+       echo arm-unknown-riscos
+       exit ;;
      SR2?01:HI-UX/MPP:*:* | SR8000:HI-UX/MPP:*:*)
         echo hppa1.1-hitachi-hiuxmpp
      SR2?01:HI-UX/MPP:*:* | SR8000:HI-UX/MPP:*:*)
         echo hppa1.1-hitachi-hiuxmpp
-       exit 0;;
+       exit ;;
      Pyramid*:OSx*:*:* | MIS*:OSx*:*:* | MIS*:SMP_DC-OSx*:*:*)
         # akee@wpdis03.wpafb.af.mil (Earle F. Ake) contributed MIS and NILE.
         if test "`(/bin/universe) 2>/dev/null`" = att ; then
      Pyramid*:OSx*:*:* | MIS*:OSx*:*:* | MIS*:SMP_DC-OSx*:*:*)
         # akee@wpdis03.wpafb.af.mil (Earle F. Ake) contributed MIS and NILE.
         if test "`(/bin/universe) 2>/dev/null`" = att ; then
@@ -287,25 +355,51 @@ EOF
         else
                 echo pyramid-pyramid-bsd
         fi
         else
                 echo pyramid-pyramid-bsd
         fi
-       exit 0 ;;
+       exit ;;
      NILE*:*:*:dcosx)
         echo pyramid-pyramid-svr4
      NILE*:*:*:dcosx)
         echo pyramid-pyramid-svr4
-       exit 0 ;;
+       exit ;;
+    DRS?6000:unix:4.0:6*)
+       echo sparc-icl-nx6
+       exit ;;
+    DRS?6000:UNIX_SV:4.2*:7* | DRS?6000:isis:4.2*:7*)
+       case `/usr/bin/uname -p` in
+           sparc) echo sparc-icl-nx7; exit ;;
+       esac ;;
+    s390x:SunOS:*:*)
+       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/[^.]*//'`
      sun4H:SunOS:5.*:*)
         echo sparc-hal-solaris2`echo ${UNAME_RELEASE}|sed -e 's/[^.]*//'`
-       exit 0 ;;
+       exit ;;
      sun4*:SunOS:5.*:* | tadpole*:SunOS:5.*:*)
         echo sparc-sun-solaris2`echo ${UNAME_RELEASE}|sed -e 's/[^.]*//'`
      sun4*:SunOS:5.*:* | tadpole*:SunOS:5.*:*)
         echo sparc-sun-solaris2`echo ${UNAME_RELEASE}|sed -e 's/[^.]*//'`
-       exit 0 ;;
-    i86pc:SunOS:5.*:*)
-       echo i386-pc-solaris2`echo ${UNAME_RELEASE}|sed -e 's/[^.]*//'`
-       exit 0 ;;
+       exit ;;
+    i86pc:AuroraUX:5.*:* | i86xen:AuroraUX:5.*:*)
+       echo i386-pc-auroraux${UNAME_RELEASE}
+       exit ;;
+    i86pc:SunOS:5.*:* | i86xen:SunOS:5.*:*)
+       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 (echo '#ifdef __amd64'; echo IS_64BIT_ARCH; echo '#endif') | \
+               (CCOPTS="" $CC_FOR_BUILD -E - 2>/dev/null) | \
+               grep IS_64BIT_ARCH >/dev/null
+           then
+               SUN_ARCH=x86_64
+           fi
+       fi
+       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/[^.]*//'`
      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/[^.]*//'`
-       exit 0 ;;
+       exit ;;
      sun4*:SunOS:*:*)
         case "`/usr/bin/arch -k`" in
             Series*|S4*)
      sun4*:SunOS:*:*)
         case "`/usr/bin/arch -k`" in
             Series*|S4*)
@@ -314,13 +408,13 @@ EOF
         esac
         # Japanese Language versions have a version number like `4.1.3-JL'.
         echo sparc-sun-sunos`echo ${UNAME_RELEASE}|sed -e 's/-/_/'`
         esac
         # Japanese Language versions have a version number like `4.1.3-JL'.
         echo sparc-sun-sunos`echo ${UNAME_RELEASE}|sed -e 's/-/_/'`
-       exit 0 ;;
+       exit ;;
      sun3*:SunOS:*:*)
         echo m68k-sun-sunos${UNAME_RELEASE}
      sun3*:SunOS:*:*)
         echo m68k-sun-sunos${UNAME_RELEASE}
-       exit 0 ;;
+       exit ;;
      sun*:*:4.2BSD:*)
      sun*:*:4.2BSD:*)
-       UNAME_RELEASE=`(head -1 /etc/motd | awk '{print substr($5,1,3)}') 2>/dev/null`
-       test "x${UNAME_RELEASE}" = "x" && UNAME_RELEASE=3
+       UNAME_RELEASE=`(sed 1q /etc/motd | awk '{print substr($5,1,3)}') 2>/dev/null`
+       test "x${UNAME_RELEASE}" = x && UNAME_RELEASE=3
         case "`/bin/arch`" in
             sun3)
                 echo m68k-sun-sunos${UNAME_RELEASE}
         case "`/bin/arch`" in
             sun3)
                 echo m68k-sun-sunos${UNAME_RELEASE}
@@ -329,16 +423,10 @@ EOF
                 echo sparc-sun-sunos${UNAME_RELEASE}
                 ;;
         esac
                 echo sparc-sun-sunos${UNAME_RELEASE}
                 ;;
         esac
-       exit 0 ;;
+       exit ;;
      aushp:SunOS:*:*)
         echo sparc-auspex-sunos${UNAME_RELEASE}
      aushp:SunOS:*:*)
         echo sparc-auspex-sunos${UNAME_RELEASE}
-       exit 0 ;;
-    sparc*:NetBSD:*)
-       echo `uname -p`-unknown-netbsd${UNAME_RELEASE}
-       exit 0 ;;
-    atari*:OpenBSD:*:*)
-       echo m68k-unknown-openbsd${UNAME_RELEASE}
-       exit 0 ;;
+       exit ;;
      # The situation for MiNT is a little confusing.  The machine name
      # can be virtually everything (everything which is not
      # "atarist" or "atariste" at least should have a processor
      # The situation for MiNT is a little confusing.  The machine name
      # can be virtually everything (everything which is not
      # "atarist" or "atariste" at least should have a processor
@@ -348,50 +436,41 @@ EOF
      # MiNT.  But MiNT is downward compatible to TOS, so this should
      # be no problem.
      atarist[e]:*MiNT:*:* | atarist[e]:*mint:*:* | atarist[e]:*TOS:*:*)
      # 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${UNAME_RELEASE}
-       exit 0 ;;
+       echo m68k-atari-mint${UNAME_RELEASE}
+       exit ;;
      atari*:*MiNT:*:* | atari*:*mint:*:* | atarist[e]:*TOS:*:*)
         echo m68k-atari-mint${UNAME_RELEASE}
      atari*:*MiNT:*:* | atari*:*mint:*:* | atarist[e]:*TOS:*:*)
         echo m68k-atari-mint${UNAME_RELEASE}
-        exit 0 ;;
+       exit ;;
      *falcon*:*MiNT:*:* | *falcon*:*mint:*:* | *falcon*:*TOS:*:*)
      *falcon*:*MiNT:*:* | *falcon*:*mint:*:* | *falcon*:*TOS:*:*)
-        echo m68k-atari-mint${UNAME_RELEASE}
-       exit 0 ;;
+       echo m68k-atari-mint${UNAME_RELEASE}
+       exit ;;
      milan*:*MiNT:*:* | milan*:*mint:*:* | *milan*:*TOS:*:*)
      milan*:*MiNT:*:* | milan*:*mint:*:* | *milan*:*TOS:*:*)
-        echo m68k-milan-mint${UNAME_RELEASE}
-        exit 0 ;;
+       echo m68k-milan-mint${UNAME_RELEASE}
+       exit ;;
      hades*:*MiNT:*:* | hades*:*mint:*:* | *hades*:*TOS:*:*)
      hades*:*MiNT:*:* | hades*:*mint:*:* | *hades*:*TOS:*:*)
-        echo m68k-hades-mint${UNAME_RELEASE}
-        exit 0 ;;
+       echo m68k-hades-mint${UNAME_RELEASE}
+       exit ;;
      *:*MiNT:*:* | *:*mint:*:* | *:*TOS:*:*)
      *:*MiNT:*:* | *:*mint:*:* | *:*TOS:*:*)
-        echo m68k-unknown-mint${UNAME_RELEASE}
-        exit 0 ;;
-    sun3*:OpenBSD:*:*)
-       echo m68k-unknown-openbsd${UNAME_RELEASE}
-       exit 0 ;;
-    mac68k:OpenBSD:*:*)
-       echo m68k-unknown-openbsd${UNAME_RELEASE}
-       exit 0 ;;
-    mvme68k:OpenBSD:*:*)
-       echo m68k-unknown-openbsd${UNAME_RELEASE}
-       exit 0 ;;
-    mvme88k:OpenBSD:*:*)
-       echo m88k-unknown-openbsd${UNAME_RELEASE}
-       exit 0 ;;
+       echo m68k-unknown-mint${UNAME_RELEASE}
+       exit ;;
+    m68k:machten:*:*)
+       echo m68k-apple-machten${UNAME_RELEASE}
+       exit ;;
      powerpc:machten:*:*)
         echo powerpc-apple-machten${UNAME_RELEASE}
      powerpc:machten:*:*)
         echo powerpc-apple-machten${UNAME_RELEASE}
-       exit 0 ;;
+       exit ;;
      RISC*:Mach:*:*)
         echo mips-dec-mach_bsd4.3
      RISC*:Mach:*:*)
         echo mips-dec-mach_bsd4.3
-       exit 0 ;;
+       exit ;;
      RISC*:ULTRIX:*:*)
         echo mips-dec-ultrix${UNAME_RELEASE}
      RISC*:ULTRIX:*:*)
         echo mips-dec-ultrix${UNAME_RELEASE}
-       exit 0 ;;
+       exit ;;
      VAX*:ULTRIX*:*:*)
         echo vax-dec-ultrix${UNAME_RELEASE}
      VAX*:ULTRIX*:*:*)
         echo vax-dec-ultrix${UNAME_RELEASE}
-       exit 0 ;;
+       exit ;;
      2020:CLIX:*:* | 2430:CLIX:*:*)
         echo clipper-intergraph-clix${UNAME_RELEASE}
      2020:CLIX:*:* | 2430:CLIX:*:*)
         echo clipper-intergraph-clix${UNAME_RELEASE}
-       exit 0 ;;
+       exit ;;
      mips:*:*:UMIPS | mips:*:*:RISCos)
         eval $set_cc_for_build
         sed 's/^        //' << EOF >$dummy.c
      mips:*:*:UMIPS | mips:*:*:RISCos)
         eval $set_cc_for_build
         sed 's/^        //' << EOF >$dummy.c
@@ -403,42 +482,48 @@ EOF
  #endif
         #if defined (host_mips) && defined (MIPSEB)
         #if defined (SYSTYPE_SYSV)
  #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)
         #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)
         #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
         #endif
         #endif
           exit (-1);
         }
  EOF
-       $CC_FOR_BUILD $dummy.c -o $dummy \
-         && ./$dummy `echo "${UNAME_RELEASE}" | sed -n 's/\([0-9]*\).*/\1/p'` \
-         && rm -f $dummy.c $dummy && exit 0
-       rm -f $dummy.c $dummy
+       $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 0 ;;
+       exit ;;
      Motorola:PowerMAX_OS:*:*)
         echo powerpc-motorola-powermax
      Motorola:PowerMAX_OS:*:*)
         echo powerpc-motorola-powermax
-       exit 0 ;;
+       exit ;;
+    Motorola:*:4.3:PL8-*)
+       echo powerpc-harris-powermax
+       exit ;;
+    Night_Hawk:*:*:PowerMAX_OS | Synergy:PowerMAX_OS:*:*)
+       echo powerpc-harris-powermax
+       exit ;;
      Night_Hawk:Power_UNIX:*:*)
         echo powerpc-harris-powerunix
      Night_Hawk:Power_UNIX:*:*)
         echo powerpc-harris-powerunix
-       exit 0 ;;
+       exit ;;
      m88k:CX/UX:7*:*)
         echo m88k-harris-cxux7
      m88k:CX/UX:7*:*)
         echo m88k-harris-cxux7
-       exit 0 ;;
+       exit ;;
      m88k:*:4*:R4*)
         echo m88k-motorola-sysv4
      m88k:*:4*:R4*)
         echo m88k-motorola-sysv4
-       exit 0 ;;
+       exit ;;
      m88k:*:3*:R3*)
         echo m88k-motorola-sysv3
      m88k:*:3*:R3*)
         echo m88k-motorola-sysv3
-       exit 0 ;;
+       exit ;;
      AViiON:dgux:*:*)
      AViiON:dgux:*:*)
-        # DG/UX returns AViiON for all architectures
-        UNAME_PROCESSOR=`/usr/bin/uname -p`
+       # DG/UX returns AViiON for all architectures
+       UNAME_PROCESSOR=`/usr/bin/uname -p`
         if [ $UNAME_PROCESSOR = mc88100 ] || [ $UNAME_PROCESSOR = mc88110 ]
         then
             if [ ${TARGET_BINARY_INTERFACE}x = m88kdguxelfx ] || \
         if [ $UNAME_PROCESSOR = mc88100 ] || [ $UNAME_PROCESSOR = mc88110 ]
         then
             if [ ${TARGET_BINARY_INTERFACE}x = m88kdguxelfx ] || \
@@ -451,29 +536,29 @@ EOF
         else
             echo i586-dg-dgux${UNAME_RELEASE}
         fi
         else
             echo i586-dg-dgux${UNAME_RELEASE}
         fi
-       exit 0 ;;
+       exit ;;
      M88*:DolphinOS:*:*)        # DolphinOS (SVR3)
         echo m88k-dolphin-sysv3
      M88*:DolphinOS:*:*)        # DolphinOS (SVR3)
         echo m88k-dolphin-sysv3
-       exit 0 ;;
+       exit ;;
      M88*:*:R3*:*)
         # Delta 88k system running SVR3
         echo m88k-motorola-sysv3
      M88*:*:R3*:*)
         # Delta 88k system running SVR3
         echo m88k-motorola-sysv3
-       exit 0 ;;
+       exit ;;
      XD88*:*:*:*) # Tektronix XD88 system running UTekV (SVR3)
         echo m88k-tektronix-sysv3
      XD88*:*:*:*) # Tektronix XD88 system running UTekV (SVR3)
         echo m88k-tektronix-sysv3
-       exit 0 ;;
+       exit ;;
      Tek43[0-9][0-9]:UTek:*:*) # Tektronix 4300 system running UTek (BSD)
         echo m68k-tektronix-bsd
      Tek43[0-9][0-9]:UTek:*:*) # Tektronix 4300 system running UTek (BSD)
         echo m68k-tektronix-bsd
-       exit 0 ;;
+       exit ;;
      *:IRIX*:*:*)
         echo mips-sgi-irix`echo ${UNAME_RELEASE}|sed -e 's/-/_/g'`
      *:IRIX*:*:*)
         echo mips-sgi-irix`echo ${UNAME_RELEASE}|sed -e 's/-/_/g'`
-       exit 0 ;;
+       exit ;;
      ????????:AIX?:[12].1:2)   # AIX 2.2.1 or AIX 2.1.1 is RT/PC AIX.
      ????????:AIX?:[12].1:2)   # AIX 2.2.1 or AIX 2.1.1 is RT/PC AIX.
-       echo romp-ibm-aix      # uname -m gives an 8 hex-code CPU id
-       exit 0 ;;              # Note that: echo "'`uname -s`'" gives 'AIX '
+       echo romp-ibm-aix     # uname -m gives an 8 hex-code CPU id
+       exit ;;               # Note that: echo "'`uname -s`'" gives 'AIX '
      i*86:AIX:*:*)
         echo i386-ibm-aix
      i*86:AIX:*:*)
         echo i386-ibm-aix
-       exit 0 ;;
+       exit ;;
      ia64:AIX:*:*)
         if [ -x /usr/bin/oslevel ] ; then
                 IBM_REV=`/usr/bin/oslevel`
      ia64:AIX:*:*)
         if [ -x /usr/bin/oslevel ] ; then
                 IBM_REV=`/usr/bin/oslevel`
@@ -481,7 +566,7 @@ EOF
                 IBM_REV=${UNAME_VERSION}.${UNAME_RELEASE}
         fi
         echo ${UNAME_MACHINE}-ibm-aix${IBM_REV}
                 IBM_REV=${UNAME_VERSION}.${UNAME_RELEASE}
         fi
         echo ${UNAME_MACHINE}-ibm-aix${IBM_REV}
-       exit 0 ;;
+       exit ;;
      *:AIX:2:3)
         if grep bos325 /usr/include/stdio.h >/dev/null 2>&1; then
                 eval $set_cc_for_build
      *:AIX:2:3)
         if grep bos325 /usr/include/stdio.h >/dev/null 2>&1; then
                 eval $set_cc_for_build
@@ -496,118 +581,140 @@ EOF
                         exit(0);
                         }
  EOF
                         exit(0);
                         }
  EOF
-               $CC_FOR_BUILD $dummy.c -o $dummy && ./$dummy && rm -f $dummy.c $dummy && exit 0
-               rm -f $dummy.c $dummy
-               echo rs6000-ibm-aix3.2.5
+               if $CC_FOR_BUILD -o $dummy $dummy.c && SYSTEM_NAME=`$dummy`
+               then
+                       echo "$SYSTEM_NAME"
+               else
+                       echo rs6000-ibm-aix3.2.5
+               fi
         elif grep bos324 /usr/include/stdio.h >/dev/null 2>&1; then
                 echo rs6000-ibm-aix3.2.4
         else
                 echo rs6000-ibm-aix3.2
         fi
         elif grep bos324 /usr/include/stdio.h >/dev/null 2>&1; then
                 echo rs6000-ibm-aix3.2.4
         else
                 echo rs6000-ibm-aix3.2
         fi
-       exit 0 ;;
-    *:AIX:*:[45])
-       IBM_CPU_ID=`/usr/sbin/lsdev -C -c processor -S available | head -1 | awk '{ print $1 }'`
+       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
                 IBM_ARCH=rs6000
         else
                 IBM_ARCH=powerpc
         fi
         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/oslevel ] ; then
-               IBM_REV=`/usr/bin/oslevel`
+       if [ -x /usr/bin/lslpp ] ; then
+               IBM_REV=`/usr/bin/lslpp -Lqc bos.rte.libc |
+                          awk -F: '{ print $3 }' | sed s/[0-9]*$/0/`
         else
                 IBM_REV=${UNAME_VERSION}.${UNAME_RELEASE}
         fi
         echo ${IBM_ARCH}-ibm-aix${IBM_REV}
         else
                 IBM_REV=${UNAME_VERSION}.${UNAME_RELEASE}
         fi
         echo ${IBM_ARCH}-ibm-aix${IBM_REV}
-       exit 0 ;;
+       exit ;;
      *:AIX:*:*)
         echo rs6000-ibm-aix
      *:AIX:*:*)
         echo rs6000-ibm-aix
-       exit 0 ;;
-    ibmrt:4.4BSD:*|romp-ibm:BSD:*)
+       exit ;;
+    ibmrt:4.4BSD:*|romp-ibm:4.4BSD:*)
         echo romp-ibm-bsd4.4
         echo romp-ibm-bsd4.4
-       exit 0 ;;
+       exit ;;
      ibmrt:*BSD:*|romp-ibm:BSD:*)            # covers RT/PC BSD and
         echo romp-ibm-bsd${UNAME_RELEASE}   # 4.3 with uname added to
      ibmrt:*BSD:*|romp-ibm:BSD:*)            # covers RT/PC BSD and
         echo romp-ibm-bsd${UNAME_RELEASE}   # 4.3 with uname added to
-       exit 0 ;;                           # report: romp-ibm BSD 4.3
+       exit ;;                             # report: romp-ibm BSD 4.3
      *:BOSX:*:*)
         echo rs6000-bull-bosx
      *:BOSX:*:*)
         echo rs6000-bull-bosx
-       exit 0 ;;
+       exit ;;
      DPX/2?00:B.O.S.:*:*)
         echo m68k-bull-sysv3
      DPX/2?00:B.O.S.:*:*)
         echo m68k-bull-sysv3
-       exit 0 ;;
+       exit ;;
      9000/[34]??:4.3bsd:1.*:*)
         echo m68k-hp-bsd
      9000/[34]??:4.3bsd:1.*:*)
         echo m68k-hp-bsd
-       exit 0 ;;
+       exit ;;
      hp300:4.4BSD:*:* | 9000/[34]??:4.3bsd:2.*:*)
         echo m68k-hp-bsd4.4
      hp300:4.4BSD:*:* | 9000/[34]??:4.3bsd:2.*:*)
         echo m68k-hp-bsd4.4
-       exit 0 ;;
+       exit ;;
      9000/[34678]??:HP-UX:*:*)
         HPUX_REV=`echo ${UNAME_RELEASE}|sed -e 's/[^.]*.[0B]*//'`
         case "${UNAME_MACHINE}" in
      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 ;;
+           9000/31?)            HP_ARCH=m68000 ;;
+           9000/[34]??)         HP_ARCH=m68k ;;
             9000/[678][0-9][0-9])
             9000/[678][0-9][0-9])
-              case "${HPUX_REV}" in
-                11.[0-9][0-9])
-                  if [ -x /usr/bin/getconf ]; then
-                    sc_cpu_version=`/usr/bin/getconf SC_CPU_VERSION 2>/dev/null`
-                    sc_kernel_bits=`/usr/bin/getconf SC_KERNEL_BITS 2>/dev/null`
-                    case "${sc_cpu_version}" in
-                      523) HP_ARCH="hppa1.0" ;; # CPU_PA_RISC1_0
-                      528) HP_ARCH="hppa1.1" ;; # CPU_PA_RISC1_1
-                      532)                      # CPU_PA_RISC2_0
-                        case "${sc_kernel_bits}" in
-                          32) HP_ARCH="hppa2.0n" ;;
-                          64) HP_ARCH="hppa2.0w" ;;
-                        esac ;;
-                    esac
-                  fi ;;
-              esac
-              if [ "${HP_ARCH}" = "" ]; then
-             eval $set_cc_for_build
-              sed 's/^              //' << EOF >$dummy.c
+               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 "${sc_cpu_version}" in
+                     523) HP_ARCH=hppa1.0 ;; # CPU_PA_RISC1_0
+                     528) HP_ARCH=hppa1.1 ;; # CPU_PA_RISC1_1
+                     532)                      # CPU_PA_RISC2_0
+                       case "${sc_kernel_bits}" in
+                         32) HP_ARCH=hppa2.0n ;;
+                         64) HP_ARCH=hppa2.0w ;;
+                         '') HP_ARCH=hppa2.0 ;;   # HP-UX 10.20
+                       esac ;;
+                   esac
+               fi
+               if [ "${HP_ARCH}" = "" ]; then
+                   eval $set_cc_for_build
+                   sed 's/^            //' << EOF >$dummy.c
  
  
-              #define _HPUX_SOURCE
-              #include <stdlib.h>
-              #include <unistd.h>
+               #define _HPUX_SOURCE
+               #include <stdlib.h>
+               #include <unistd.h>
  
  
-              int main ()
-              {
-              #if defined(_SC_KERNEL_BITS)
-                  long bits = sysconf(_SC_KERNEL_BITS);
-              #endif
-                  long cpu  = sysconf (_SC_CPU_VERSION);
+               int main ()
+               {
+               #if defined(_SC_KERNEL_BITS)
+                   long bits = sysconf(_SC_KERNEL_BITS);
+               #endif
+                   long cpu  = sysconf (_SC_CPU_VERSION);
  
  
-                  switch (cpu)
-               {
-               case CPU_PA_RISC1_0: puts ("hppa1.0"); break;
-               case CPU_PA_RISC1_1: puts ("hppa1.1"); break;
-               case CPU_PA_RISC2_0:
-              #if defined(_SC_KERNEL_BITS)
-                   switch (bits)
-                       {
-                       case 64: puts ("hppa2.0w"); break;
-                       case 32: puts ("hppa2.0n"); break;
-                       default: puts ("hppa2.0"); break;
-                       } break;
-              #else  /* !defined(_SC_KERNEL_BITS) */
-                   puts ("hppa2.0"); break;
-              #endif
-               default: puts ("hppa1.0"); break;
-               }
-                  exit (0);
-              }
+                   switch (cpu)
+                       {
+                       case CPU_PA_RISC1_0: puts ("hppa1.0"); break;
+                       case CPU_PA_RISC1_1: puts ("hppa1.1"); break;
+                       case CPU_PA_RISC2_0:
+               #if defined(_SC_KERNEL_BITS)
+                           switch (bits)
+                               {
+                               case 64: puts ("hppa2.0w"); break;
+                               case 32: puts ("hppa2.0n"); break;
+                               default: puts ("hppa2.0"); break;
+                               } break;
+               #else  /* !defined(_SC_KERNEL_BITS) */
+                           puts ("hppa2.0"); break;
+               #endif
+                       default: puts ("hppa1.0"); break;
+                       }
+                   exit (0);
+               }
  EOF
  EOF
-           (CCOPTS= $CC_FOR_BUILD $dummy.c -o $dummy 2>/dev/null ) && HP_ARCH=`./$dummy`
-           if test -z "$HP_ARCH"; then HP_ARCH=hppa; fi
-           rm -f $dummy.c $dummy
-       fi ;;
+                   (CCOPTS="" $CC_FOR_BUILD -o $dummy $dummy.c 2>/dev/null) && HP_ARCH=`$dummy`
+                   test -z "$HP_ARCH" && HP_ARCH=hppa
+               fi ;;
         esac
         esac
+       if [ ${HP_ARCH} = hppa2.0w ]
+       then
+           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
+           # generating 64-bit code.  GNU and HP use different nomenclature:
+           #
+           # $ CC_FOR_BUILD=cc ./config.guess
+           # => hppa2.0w-hp-hpux11.23
+           # $ CC_FOR_BUILD="cc +DA2.0w" ./config.guess
+           # => hppa64-hp-hpux11.23
+
+           if echo __LP64__ | (CCOPTS="" $CC_FOR_BUILD -E - 2>/dev/null) |
+               grep -q __LP64__
+           then
+               HP_ARCH=hppa2.0w
+           else
+               HP_ARCH=hppa64
+           fi
+       fi
         echo ${HP_ARCH}-hp-hpux${HPUX_REV}
         echo ${HP_ARCH}-hp-hpux${HPUX_REV}
-       exit 0 ;;
+       exit ;;
      ia64:HP-UX:*:*)
         HPUX_REV=`echo ${UNAME_RELEASE}|sed -e 's/[^.]*.[0B]*//'`
         echo ia64-hp-hpux${HPUX_REV}
      ia64:HP-UX:*:*)
         HPUX_REV=`echo ${UNAME_RELEASE}|sed -e 's/[^.]*.[0B]*//'`
         echo ia64-hp-hpux${HPUX_REV}
-       exit 0 ;;
+       exit ;;
      3050*:HI-UX:*:*)
         eval $set_cc_for_build
         sed 's/^        //' << EOF >$dummy.c
      3050*:HI-UX:*:*)
         eval $set_cc_for_build
         sed 's/^        //' << EOF >$dummy.c
@@ -635,158 +742,158 @@ EOF
           exit (0);
         }
  EOF
           exit (0);
         }
  EOF
-       $CC_FOR_BUILD $dummy.c -o $dummy && ./$dummy && rm -f $dummy.c $dummy && exit 0
-       rm -f $dummy.c $dummy
+       $CC_FOR_BUILD -o $dummy $dummy.c && SYSTEM_NAME=`$dummy` &&
+               { echo "$SYSTEM_NAME"; exit; }
         echo unknown-hitachi-hiuxwe2
         echo unknown-hitachi-hiuxwe2
-       exit 0 ;;
-    9000/7??:4.3bsd:*:* | 9000/8?[79]:4.3bsd:*:* )
+       exit ;;
+    9000/7??:4.3bsd:*:* | 9000/8?[79]:4.3bsd:*:*)
         echo hppa1.1-hp-bsd
         echo hppa1.1-hp-bsd
-       exit 0 ;;
+       exit ;;
      9000/8??:4.3bsd:*:*)
         echo hppa1.0-hp-bsd
      9000/8??:4.3bsd:*:*)
         echo hppa1.0-hp-bsd
-       exit 0 ;;
+       exit ;;
      *9??*:MPE/iX:*:* | *3000*:MPE/iX:*:*)
         echo hppa1.0-hp-mpeix
      *9??*:MPE/iX:*:* | *3000*:MPE/iX:*:*)
         echo hppa1.0-hp-mpeix
-       exit 0 ;;
-    hp7??:OSF1:*:* | hp8?[79]:OSF1:*:* )
+       exit ;;
+    hp7??:OSF1:*:* | hp8?[79]:OSF1:*:*)
         echo hppa1.1-hp-osf
         echo hppa1.1-hp-osf
-       exit 0 ;;
+       exit ;;
      hp8??:OSF1:*:*)
         echo hppa1.0-hp-osf
      hp8??:OSF1:*:*)
         echo hppa1.0-hp-osf
-       exit 0 ;;
+       exit ;;
      i*86:OSF1:*:*)
         if [ -x /usr/sbin/sysversion ] ; then
             echo ${UNAME_MACHINE}-unknown-osf1mk
         else
             echo ${UNAME_MACHINE}-unknown-osf1
         fi
      i*86:OSF1:*:*)
         if [ -x /usr/sbin/sysversion ] ; then
             echo ${UNAME_MACHINE}-unknown-osf1mk
         else
             echo ${UNAME_MACHINE}-unknown-osf1
         fi
-       exit 0 ;;
+       exit ;;
      parisc*:Lites*:*:*)
         echo hppa1.1-hp-lites
      parisc*:Lites*:*:*)
         echo hppa1.1-hp-lites
-       exit 0 ;;
-    hppa*:OpenBSD:*:*)
-       echo hppa-unknown-openbsd
-       exit 0 ;;
+       exit ;;
      C1*:ConvexOS:*:* | convex:ConvexOS:C1*:*)
         echo c1-convex-bsd
      C1*:ConvexOS:*:* | convex:ConvexOS:C1*:*)
         echo c1-convex-bsd
-        exit 0 ;;
+       exit ;;
      C2*:ConvexOS:*:* | convex:ConvexOS:C2*:*)
         if getsysinfo -f scalar_acc
         then echo c32-convex-bsd
         else echo c2-convex-bsd
         fi
      C2*:ConvexOS:*:* | convex:ConvexOS:C2*:*)
         if getsysinfo -f scalar_acc
         then echo c32-convex-bsd
         else echo c2-convex-bsd
         fi
-        exit 0 ;;
+       exit ;;
      C34*:ConvexOS:*:* | convex:ConvexOS:C34*:*)
         echo c34-convex-bsd
      C34*:ConvexOS:*:* | convex:ConvexOS:C34*:*)
         echo c34-convex-bsd
-        exit 0 ;;
+       exit ;;
      C38*:ConvexOS:*:* | convex:ConvexOS:C38*:*)
         echo c38-convex-bsd
      C38*:ConvexOS:*:* | convex:ConvexOS:C38*:*)
         echo c38-convex-bsd
-        exit 0 ;;
+       exit ;;
      C4*:ConvexOS:*:* | convex:ConvexOS:C4*:*)
         echo c4-convex-bsd
      C4*:ConvexOS:*:* | convex:ConvexOS:C4*:*)
         echo c4-convex-bsd
-        exit 0 ;;
-    CRAY*X-MP:*:*:*)
-       echo xmp-cray-unicos
-        exit 0 ;;
+       exit ;;
      CRAY*Y-MP:*:*:*)
         echo ymp-cray-unicos${UNAME_RELEASE} | sed -e 's/\.[^.]*$/.X/'
      CRAY*Y-MP:*:*:*)
         echo ymp-cray-unicos${UNAME_RELEASE} | sed -e 's/\.[^.]*$/.X/'
-       exit 0 ;;
+       exit ;;
      CRAY*[A-Z]90:*:*:*)
         echo ${UNAME_MACHINE}-cray-unicos${UNAME_RELEASE} \
         | sed -e 's/CRAY.*\([A-Z]90\)/\1/' \
               -e y/ABCDEFGHIJKLMNOPQRSTUVWXYZ/abcdefghijklmnopqrstuvwxyz/ \
               -e 's/\.[^.]*$/.X/'
      CRAY*[A-Z]90:*:*:*)
         echo ${UNAME_MACHINE}-cray-unicos${UNAME_RELEASE} \
         | sed -e 's/CRAY.*\([A-Z]90\)/\1/' \
               -e y/ABCDEFGHIJKLMNOPQRSTUVWXYZ/abcdefghijklmnopqrstuvwxyz/ \
               -e 's/\.[^.]*$/.X/'
-       exit 0 ;;
+       exit ;;
      CRAY*TS:*:*:*)
         echo t90-cray-unicos${UNAME_RELEASE} | sed -e 's/\.[^.]*$/.X/'
      CRAY*TS:*:*:*)
         echo t90-cray-unicos${UNAME_RELEASE} | sed -e 's/\.[^.]*$/.X/'
-       exit 0 ;;
-    CRAY*T3D:*:*:*)
-       echo alpha-cray-unicosmk${UNAME_RELEASE} | sed -e 's/\.[^.]*$/.X/'
-       exit 0 ;;
+       exit ;;
      CRAY*T3E:*:*:*)
         echo alphaev5-cray-unicosmk${UNAME_RELEASE} | sed -e 's/\.[^.]*$/.X/'
      CRAY*T3E:*:*:*)
         echo alphaev5-cray-unicosmk${UNAME_RELEASE} | sed -e 's/\.[^.]*$/.X/'
-       exit 0 ;;
+       exit ;;
      CRAY*SV1:*:*:*)
         echo sv1-cray-unicos${UNAME_RELEASE} | sed -e 's/\.[^.]*$/.X/'
      CRAY*SV1:*:*:*)
         echo sv1-cray-unicos${UNAME_RELEASE} | sed -e 's/\.[^.]*$/.X/'
-       exit 0 ;;
-    CRAY-2:*:*:*)
-       echo cray2-cray-unicos
-        exit 0 ;;
+       exit ;;
+    *:UNICOS/mp:*:*)
+       echo craynv-cray-unicosmp${UNAME_RELEASE} | sed -e 's/\.[^.]*$/.X/'
+       exit ;;
      F30[01]:UNIX_System_V:*:* | F700:UNIX_System_V:*:*)
      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 ${UNAME_RELEASE} | sed -e 's/ /_/'`
-        echo "${FUJITSU_PROC}-fujitsu-${FUJITSU_SYS}${FUJITSU_REL}"
-        exit 0 ;;
-    hp300:OpenBSD:*:*)
-       echo m68k-unknown-openbsd${UNAME_RELEASE}
-       exit 0 ;;
+       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 ${UNAME_RELEASE} | tr ABCDEFGHIJKLMNOPQRSTUVWXYZ abcdefghijklmnopqrstuvwxyz | sed -e 's/ /_/'`
+       echo "sparc-fujitsu-${FUJITSU_SYS}${FUJITSU_REL}"
+       exit ;;
      i*86:BSD/386:*:* | i*86:BSD/OS:*:* | *:Ascend\ Embedded/OS:*:*)
         echo ${UNAME_MACHINE}-pc-bsdi${UNAME_RELEASE}
      i*86:BSD/386:*:* | i*86:BSD/OS:*:* | *:Ascend\ Embedded/OS:*:*)
         echo ${UNAME_MACHINE}-pc-bsdi${UNAME_RELEASE}
-       exit 0 ;;
+       exit ;;
      sparc*:BSD/OS:*:*)
         echo sparc-unknown-bsdi${UNAME_RELEASE}
      sparc*:BSD/OS:*:*)
         echo sparc-unknown-bsdi${UNAME_RELEASE}
-       exit 0 ;;
+       exit ;;
      *:BSD/OS:*:*)
         echo ${UNAME_MACHINE}-unknown-bsdi${UNAME_RELEASE}
      *:BSD/OS:*:*)
         echo ${UNAME_MACHINE}-unknown-bsdi${UNAME_RELEASE}
-       exit 0 ;;
+       exit ;;
      *:FreeBSD:*:*)
      *:FreeBSD:*:*)
-       echo ${UNAME_MACHINE}-unknown-freebsd`echo ${UNAME_RELEASE}|sed -e 's/[-(].*//'`
-       exit 0 ;;
-    *:OpenBSD:*:*)
-       echo ${UNAME_MACHINE}-unknown-openbsd`echo ${UNAME_RELEASE}|sed -e 's/[-_].*/\./'`
-       exit 0 ;;
+       UNAME_PROCESSOR=`/usr/bin/uname -p`
+       case ${UNAME_PROCESSOR} in
+           amd64)
+               UNAME_PROCESSOR=x86_64 ;;
+           i386)
+               UNAME_PROCESSOR=i586 ;;
+       esac
+       echo ${UNAME_PROCESSOR}-unknown-freebsd`echo ${UNAME_RELEASE}|sed -e 's/[-(].*//'`
+       exit ;;
      i*:CYGWIN*:*)
         echo ${UNAME_MACHINE}-pc-cygwin
      i*:CYGWIN*:*)
         echo ${UNAME_MACHINE}-pc-cygwin
-       exit 0 ;;
-    i*:MINGW*:*)
+       exit ;;
+    *:MINGW64*:*)
+       echo ${UNAME_MACHINE}-pc-mingw64
+       exit ;;
+    *:MINGW*:*)
         echo ${UNAME_MACHINE}-pc-mingw32
         echo ${UNAME_MACHINE}-pc-mingw32
-       exit 0 ;;
+       exit ;;
+    *:MSYS*:*)
+       echo ${UNAME_MACHINE}-pc-msys
+       exit ;;
      i*:PW*:*)
         echo ${UNAME_MACHINE}-pc-pw32
      i*:PW*:*)
         echo ${UNAME_MACHINE}-pc-pw32
-       exit 0 ;;
-    i*:Windows_NT*:* | Pentium*:Windows_NT*:*)
-       # How do we know it's Interix rather than the generic POSIX subsystem?
-       # It also conflicts with pre-2.0 versions of AT&T UWIN. Should we
-       # UNAME_MACHINE based on the output of uname instead of i386?
-       echo i386-pc-interix
-       exit 0 ;;
+       exit ;;
+    *:Interix*:*)
+       case ${UNAME_MACHINE} in
+           x86)
+               echo i586-pc-interix${UNAME_RELEASE}
+               exit ;;
+           authenticamd | genuineintel | EM64T)
+               echo x86_64-unknown-interix${UNAME_RELEASE}
+               exit ;;
+           IA64)
+               echo ia64-unknown-interix${UNAME_RELEASE}
+               exit ;;
+       esac ;;
      i*:UWIN*:*)
         echo ${UNAME_MACHINE}-pc-uwin
      i*:UWIN*:*)
         echo ${UNAME_MACHINE}-pc-uwin
-       exit 0 ;;
-    p*:CYGWIN*:*)
-       echo powerpcle-unknown-cygwin
-       exit 0 ;;
+       exit ;;
+    amd64:CYGWIN*:*:* | x86_64:CYGWIN*:*:*)
+       echo x86_64-unknown-cygwin
+       exit ;;
      prep*:SunOS:5.*:*)
         echo powerpcle-unknown-solaris2`echo ${UNAME_RELEASE}|sed -e 's/[^.]*//'`
      prep*:SunOS:5.*:*)
         echo powerpcle-unknown-solaris2`echo ${UNAME_RELEASE}|sed -e 's/[^.]*//'`
-       exit 0 ;;
+       exit ;;
      *:GNU:*:*)
      *:GNU:*:*)
-       echo `echo ${UNAME_MACHINE}|sed -e 's,[-/].*$,,'`-unknown-gnu`echo ${UNAME_RELEASE}|sed -e 's,/.*$,,'`
-       exit 0 ;;
+       # the GNU system
+       echo `echo ${UNAME_MACHINE}|sed -e 's,[-/].*$,,'`-unknown-${LIBC}`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}
+       exit ;;
      i*86:Minix:*:*)
         echo ${UNAME_MACHINE}-pc-minix
      i*86:Minix:*:*)
         echo ${UNAME_MACHINE}-pc-minix
-       exit 0 ;;
-    arm*:Linux:*:*)
-       echo ${UNAME_MACHINE}-unknown-linux-gnu
-       exit 0 ;;
-    ia64:Linux:*:*)
-       echo ${UNAME_MACHINE}-unknown-linux
-       exit 0 ;;
-    m68*:Linux:*:*)
-       echo ${UNAME_MACHINE}-unknown-linux-gnu
-       exit 0 ;;
-    mips:Linux:*:*)
-       case `sed -n '/^byte/s/^.*: \(.*\) endian/\1/p' < /proc/cpuinfo` in
-         big)    echo mips-unknown-linux-gnu && exit 0 ;;
-         little) echo mipsel-unknown-linux-gnu && exit 0 ;;
-       esac
-       ;;
-    ppc:Linux:*:*)
-       echo powerpc-unknown-linux-gnu
-       exit 0 ;;
-    ppc64:Linux:*:*)
-       echo powerpc64-unknown-linux-gnu
-       exit 0 ;;
+       exit ;;
+    aarch64:Linux:*:*)
+       echo ${UNAME_MACHINE}-unknown-linux-${LIBC}
+       exit ;;
+    aarch64_be:Linux:*:*)
+       UNAME_MACHINE=aarch64_be
+       echo ${UNAME_MACHINE}-unknown-linux-${LIBC}
+       exit ;;
      alpha:Linux:*:*)
         case `sed -n '/^cpu model/s/^.*: \(.*\)/\1/p' < /proc/cpuinfo` in
           EV5)   UNAME_MACHINE=alphaev5 ;;
      alpha:Linux:*:*)
         case `sed -n '/^cpu model/s/^.*: \(.*\)/\1/p' < /proc/cpuinfo` in
           EV5)   UNAME_MACHINE=alphaev5 ;;
@@ -796,204 +903,292 @@ EOF
           EV6)   UNAME_MACHINE=alphaev6 ;;
           EV67)  UNAME_MACHINE=alphaev67 ;;
           EV68*) UNAME_MACHINE=alphaev68 ;;
           EV6)   UNAME_MACHINE=alphaev6 ;;
           EV67)  UNAME_MACHINE=alphaev67 ;;
           EV68*) UNAME_MACHINE=alphaev68 ;;
-        esac
-       objdump --private-headers /bin/sh | grep ld.so.1 >/dev/null
-       if test "$?" = 0 ; then LIBC="libc1" ; else LIBC="" ; fi
-       echo ${UNAME_MACHINE}-unknown-linux-gnu${LIBC}
-       exit 0 ;;
+       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}
+       exit ;;
+    arm*:Linux:*:*)
+       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}
+       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
+           else
+               echo ${UNAME_MACHINE}-unknown-linux-${LIBC}eabihf
+           fi
+       fi
+       exit ;;
+    avr32*:Linux:*:*)
+       echo ${UNAME_MACHINE}-unknown-linux-${LIBC}
+       exit ;;
+    cris:Linux:*:*)
+       echo ${UNAME_MACHINE}-axis-linux-${LIBC}
+       exit ;;
+    crisv32:Linux:*:*)
+       echo ${UNAME_MACHINE}-axis-linux-${LIBC}
+       exit ;;
+    e2k:Linux:*:*)
+       echo ${UNAME_MACHINE}-unknown-linux-${LIBC}
+       exit ;;
+    frv:Linux:*:*)
+       echo ${UNAME_MACHINE}-unknown-linux-${LIBC}
+       exit ;;
+    hexagon:Linux:*:*)
+       echo ${UNAME_MACHINE}-unknown-linux-${LIBC}
+       exit ;;
+    i*86:Linux:*:*)
+       echo ${UNAME_MACHINE}-pc-linux-${LIBC}
+       exit ;;
+    ia64:Linux:*:*)
+       echo ${UNAME_MACHINE}-unknown-linux-${LIBC}
+       exit ;;
+    k1om:Linux:*:*)
+       echo ${UNAME_MACHINE}-unknown-linux-${LIBC}
+       exit ;;
+    m32r*:Linux:*:*)
+       echo ${UNAME_MACHINE}-unknown-linux-${LIBC}
+       exit ;;
+    m68*:Linux:*:*)
+       echo ${UNAME_MACHINE}-unknown-linux-${LIBC}
+       exit ;;
+    mips:Linux:*:* | mips64:Linux:*:*)
+       eval $set_cc_for_build
+       sed 's/^        //' << EOF >$dummy.c
+       #undef CPU
+       #undef ${UNAME_MACHINE}
+       #undef ${UNAME_MACHINE}el
+       #if defined(__MIPSEL__) || defined(__MIPSEL) || defined(_MIPSEL) || defined(MIPSEL)
+       CPU=${UNAME_MACHINE}el
+       #else
+       #if defined(__MIPSEB__) || defined(__MIPSEB) || defined(_MIPSEB) || defined(MIPSEB)
+       CPU=${UNAME_MACHINE}
+       #else
+       CPU=
+       #endif
+       #endif
+EOF
+       eval `$CC_FOR_BUILD -E $dummy.c 2>/dev/null | grep '^CPU'`
+       test x"${CPU}" != x && { echo "${CPU}-unknown-linux-${LIBC}"; 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}
+       exit ;;
+    padre:Linux:*:*)
+       echo sparc-unknown-linux-${LIBC}
+       exit ;;
+    parisc64:Linux:*:* | hppa64:Linux:*:*)
+       echo hppa64-unknown-linux-${LIBC}
+       exit ;;
      parisc:Linux:*:* | hppa:Linux:*:*)
         # Look for CPU level
         case `grep '^cpu[^a-z]*:' /proc/cpuinfo 2>/dev/null | cut -d' ' -f2` in
      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-gnu ;;
-         PA8*) echo hppa2.0-unknown-linux-gnu ;;
-         *)    echo hppa-unknown-linux-gnu ;;
+         PA7*) echo hppa1.1-unknown-linux-${LIBC} ;;
+         PA8*) echo hppa2.0-unknown-linux-${LIBC} ;;
+         *)    echo hppa-unknown-linux-${LIBC} ;;
         esac
         esac
-       exit 0 ;;
-    parisc64:Linux:*:* | hppa64:Linux:*:*)
-       echo hppa64-unknown-linux-gnu
-       exit 0 ;;
+       exit ;;
+    ppc64:Linux:*:*)
+       echo powerpc64-unknown-linux-${LIBC}
+       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}
+       exit ;;
      s390:Linux:*:* | s390x:Linux:*:*)
      s390:Linux:*:* | s390x:Linux:*:*)
-       echo ${UNAME_MACHINE}-ibm-linux
-       exit 0 ;;
+       echo ${UNAME_MACHINE}-ibm-linux-${LIBC}
+       exit ;;
+    sh64*:Linux:*:*)
+       echo ${UNAME_MACHINE}-unknown-linux-${LIBC}
+       exit ;;
      sh*:Linux:*:*)
      sh*:Linux:*:*)
-       echo ${UNAME_MACHINE}-unknown-linux-gnu
-       exit 0 ;;
+       echo ${UNAME_MACHINE}-unknown-linux-${LIBC}
+       exit ;;
      sparc:Linux:*:* | sparc64:Linux:*:*)
      sparc:Linux:*:* | sparc64:Linux:*:*)
-       echo ${UNAME_MACHINE}-unknown-linux-gnu
-       exit 0 ;;
+       echo ${UNAME_MACHINE}-unknown-linux-${LIBC}
+       exit ;;
+    tile*:Linux:*:*)
+       echo ${UNAME_MACHINE}-unknown-linux-${LIBC}
+       exit ;;
+    vax:Linux:*:*)
+       echo ${UNAME_MACHINE}-dec-linux-${LIBC}
+       exit ;;
      x86_64:Linux:*:*)
      x86_64:Linux:*:*)
-       echo x86_64-unknown-linux-gnu
-       exit 0 ;;
-    i*86:Linux:*:*)
-       # The BFD linker knows what the default object file format is, so
-       # first see if it will tell us. cd to the root directory to prevent
-       # problems with other programs or directories called `ld' in the path.
-       ld_supported_targets=`cd /; ld --help 2>&1 \
-                        | sed -ne '/supported targets:/!d
-                                   s/[         ][      ]*/ /g
-                                   s/.*supported targets: *//
-                                   s/ .*//
-                                   p'`
-        case "$ld_supported_targets" in
-         elf32-i386)
-               TENTATIVE="${UNAME_MACHINE}-pc-linux-gnu"
-               ;;
-         a.out-i386-linux)
-               echo "${UNAME_MACHINE}-pc-linux-gnuaout"
-               exit 0 ;;               
-         coff-i386)
-               echo "${UNAME_MACHINE}-pc-linux-gnucoff"
-               exit 0 ;;
-         "")
-               # Either a pre-BFD a.out linker (linux-gnuoldld) or
-               # one that does not give us useful --help.
-               echo "${UNAME_MACHINE}-pc-linux-gnuoldld"
-               exit 0 ;;
-       esac
-       # Determine whether the default compiler is a.out or elf
-       eval $set_cc_for_build
-       cat >$dummy.c <<EOF
-#include <features.h>
-#ifdef __cplusplus
-#include <stdio.h>  /* for printf() prototype */
-       int main (int argc, char *argv[]) {
-#else
-       int main (argc, argv) int argc; char *argv[]; {
-#endif
-#ifdef __ELF__
-# ifdef __GLIBC__
-#  if __GLIBC__ >= 2
-    printf ("%s-pc-linux-gnu\n", argv[1]);
-#  else
-    printf ("%s-pc-linux-gnulibc1\n", argv[1]);
-#  endif
-# else
-   printf ("%s-pc-linux-gnulibc1\n", argv[1]);
-# endif
-#else
-  printf ("%s-pc-linux-gnuaout\n", argv[1]);
-#endif
-  return 0;
-}
-EOF
-       $CC_FOR_BUILD $dummy.c -o $dummy 2>/dev/null && ./$dummy "${UNAME_MACHINE}" && rm -f $dummy.c $dummy && exit 0
-       rm -f $dummy.c $dummy
-       test x"${TENTATIVE}" != x && echo "${TENTATIVE}" && exit 0
-       ;;
+       echo ${UNAME_MACHINE}-pc-linux-${LIBC}
+       exit ;;
+    xtensa*:Linux:*:*)
+       echo ${UNAME_MACHINE}-unknown-linux-${LIBC}
+       exit ;;
      i*86:DYNIX/ptx:4*:*)
         # ptx 4.0 does uname -s correctly, with DYNIX/ptx in there.
         # earlier versions are messed up and put the nodename in both
         # sysname and nodename.
         echo i386-sequent-sysv4
      i*86:DYNIX/ptx:4*:*)
         # ptx 4.0 does uname -s correctly, with DYNIX/ptx in there.
         # earlier versions are messed up and put the nodename in both
         # sysname and nodename.
         echo i386-sequent-sysv4
-       exit 0 ;;
+       exit ;;
      i*86:UNIX_SV:4.2MP:2.*)
      i*86:UNIX_SV:4.2MP:2.*)
-        # Unixware is an offshoot of SVR4, but it has its own version
-        # number series starting with 2...
-        # I am not positive that other SVR4 systems won't match this,
+       # Unixware is an offshoot of SVR4, but it has its own version
+       # number series starting with 2...
+       # I am not positive that other SVR4 systems won't match this,
         # I just have to hope.  -- rms.
         # I just have to hope.  -- rms.
-        # Use sysv4.2uw... so that sysv4* matches it.
+       # 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 0 ;;
-    i*86:*:4.*:* | i*86:SYSTEM_V:4.*:*)
+       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
+       exit ;;
+    i*86:XTS-300:*:STOP)
+       echo ${UNAME_MACHINE}-unknown-stop
+       exit ;;
+    i*86:atheos:*:*)
+       echo ${UNAME_MACHINE}-unknown-atheos
+       exit ;;
+    i*86: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}
+       exit ;;
+    i*86:*DOS:*:*)
+       echo ${UNAME_MACHINE}-pc-msdosdjgpp
+       exit ;;
+    i*86:*: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}
         else
                 echo ${UNAME_MACHINE}-pc-sysv${UNAME_REL}
         fi
         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}
         else
                 echo ${UNAME_MACHINE}-pc-sysv${UNAME_REL}
         fi
-       exit 0 ;;
-    i*86:*:5:[78]*)
+       exit ;;
+    i*86:*:5:[678]*)
+       # UnixWare 7.x, OpenUNIX and OpenServer 6.
         case `/bin/uname -X | grep "^Machine"` in
             *486*)           UNAME_MACHINE=i486 ;;
             *Pentium)        UNAME_MACHINE=i586 ;;
             *Pent*|*Celeron) UNAME_MACHINE=i686 ;;
         esac
         echo ${UNAME_MACHINE}-unknown-sysv${UNAME_RELEASE}${UNAME_SYSTEM}${UNAME_VERSION}
         case `/bin/uname -X | grep "^Machine"` in
             *486*)           UNAME_MACHINE=i486 ;;
             *Pentium)        UNAME_MACHINE=i586 ;;
             *Pent*|*Celeron) UNAME_MACHINE=i686 ;;
         esac
         echo ${UNAME_MACHINE}-unknown-sysv${UNAME_RELEASE}${UNAME_SYSTEM}${UNAME_VERSION}
-       exit 0 ;;
+       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
         elif /bin/uname -X 2>/dev/null >/dev/null ; then
      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
         elif /bin/uname -X 2>/dev/null >/dev/null ; then
-               UNAME_REL=`(/bin/uname -X|egrep Release|sed -e 's/.*= //')`
-               (/bin/uname -X|egrep i80486 >/dev/null) && UNAME_MACHINE=i486
-               (/bin/uname -X|egrep '^Machine.*Pentium' >/dev/null) \
+               UNAME_REL=`(/bin/uname -X|grep Release|sed -e 's/.*= //')`
+               (/bin/uname -X|grep i80486 >/dev/null) && UNAME_MACHINE=i486
+               (/bin/uname -X|grep '^Machine.*Pentium' >/dev/null) \
                         && UNAME_MACHINE=i586
                         && UNAME_MACHINE=i586
-               (/bin/uname -X|egrep '^Machine.*Pent ?II' >/dev/null) \
+               (/bin/uname -X|grep '^Machine.*Pent *II' >/dev/null) \
                         && UNAME_MACHINE=i686
                         && UNAME_MACHINE=i686
-               (/bin/uname -X|egrep '^Machine.*Pentium Pro' >/dev/null) \
+               (/bin/uname -X|grep '^Machine.*Pentium Pro' >/dev/null) \
                         && UNAME_MACHINE=i686
                 echo ${UNAME_MACHINE}-pc-sco$UNAME_REL
         else
                 echo ${UNAME_MACHINE}-pc-sysv32
         fi
                         && UNAME_MACHINE=i686
                 echo ${UNAME_MACHINE}-pc-sco$UNAME_REL
         else
                 echo ${UNAME_MACHINE}-pc-sysv32
         fi
-       exit 0 ;;
-    i*86:*DOS:*:*)
-       echo ${UNAME_MACHINE}-pc-msdosdjgpp
-       exit 0 ;;
+       exit ;;
      pc:*:*:*)
         # Left here for compatibility:
      pc:*:*:*)
         # Left here for compatibility:
-        # uname -m prints for DJGPP always 'pc', but it prints nothing about
-        # the processor, so we play safe by assuming i386.
-       echo i386-pc-msdosdjgpp
-        exit 0 ;;
+       # uname -m prints for DJGPP always 'pc', but it prints nothing about
+       # the processor, so we play safe by assuming i586.
+       # Note: whatever this is, it MUST be the same as what config.sub
+       # prints for the "djgpp" host, or else GDB configure will decide that
+       # this is a cross-build.
+       echo i586-pc-msdosdjgpp
+       exit ;;
      Intel:Mach:3*:*)
         echo i386-pc-mach3
      Intel:Mach:3*:*)
         echo i386-pc-mach3
-       exit 0 ;;
+       exit ;;
      paragon:*:*:*)
         echo i860-intel-osf1
      paragon:*:*:*)
         echo i860-intel-osf1
-       exit 0 ;;
+       exit ;;
      i860:*:4.*:*) # i860-SVR4
         if grep Stardent /usr/include/sys/uadmin.h >/dev/null 2>&1 ; then
           echo i860-stardent-sysv${UNAME_RELEASE} # Stardent Vistra i860-SVR4
         else # Add other i860-SVR4 vendors below as they are discovered.
           echo i860-unknown-sysv${UNAME_RELEASE}  # Unknown i860-SVR4
         fi
      i860:*:4.*:*) # i860-SVR4
         if grep Stardent /usr/include/sys/uadmin.h >/dev/null 2>&1 ; then
           echo i860-stardent-sysv${UNAME_RELEASE} # Stardent Vistra i860-SVR4
         else # Add other i860-SVR4 vendors below as they are discovered.
           echo i860-unknown-sysv${UNAME_RELEASE}  # Unknown i860-SVR4
         fi
-       exit 0 ;;
+       exit ;;
      mini*:CTIX:SYS*5:*)
         # "miniframe"
         echo m68010-convergent-sysv
      mini*:CTIX:SYS*5:*)
         # "miniframe"
         echo m68010-convergent-sysv
-       exit 0 ;;
-    M68*:*:R3V[567]*:*)
-       test -r /sysV68 && echo 'm68k-motorola-sysv' && exit 0 ;;
-    3[34]??:*:4.0:3.0 | 3[34]??A:*:4.0:3.0 | 3[34]??,*:*:4.0:3.0 | 4850:*:4.0:3.0)
+       exit ;;
+    mc68k:UNIX:SYSTEM5:3.51m)
+       echo m68k-convergent-sysv
+       exit ;;
+    M680?0:D-NIX:5.3:*)
+       echo m68k-diab-dnix
+       exit ;;
+    M68*:*:R3V[5678]*:*)
+       test -r /sysV68 && { echo 'm68k-motorola-sysv'; exit; } ;;
+    3[345]??:*:4.0:3.0 | 3[34]??A:*:4.0:3.0 | 3[34]??,*:*:4.0:3.0 | 3[34]??/*:*:4.0:3.0 | 4400:*:4.0:3.0 | 4850:*:4.0:3.0 | SKA40:*:4.0:3.0 | SDS2:*:4.0:3.0 | SHG2:*:4.0:3.0 | S7501*:*:4.0:3.0)
         OS_REL=''
         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 \
         OS_REL=''
         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${OS_REL} && exit 0
+         && { echo i486-ncr-sysv4.3${OS_REL}; exit; }
         /bin/uname -p 2>/dev/null | /bin/grep entium >/dev/null \
         /bin/uname -p 2>/dev/null | /bin/grep entium >/dev/null \
-         && echo i586-ncr-sysv4.3${OS_REL} && exit 0 ;;
+         && { echo i586-ncr-sysv4.3${OS_REL}; exit; } ;;
      3[34]??:*:4.0:* | 3[34]??,*:*:4.0:*)
      3[34]??:*:4.0:* | 3[34]??,*:*:4.0:*)
-        /bin/uname -p 2>/dev/null | grep 86 >/dev/null \
-          && echo i486-ncr-sysv4 && exit 0 ;;
+       /bin/uname -p 2>/dev/null | grep 86 >/dev/null \
+         && { echo i486-ncr-sysv4; exit; } ;;
+    NCR*:*:4.2:* | MPRAS*:*:4.2:*)
+       OS_REL='.3'
+       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${OS_REL}; exit; }
+       /bin/uname -p 2>/dev/null | /bin/grep entium >/dev/null \
+           && { echo i586-ncr-sysv4.3${OS_REL}; exit; }
+       /bin/uname -p 2>/dev/null | /bin/grep pteron >/dev/null \
+           && { echo i586-ncr-sysv4.3${OS_REL}; exit; } ;;
      m68*:LynxOS:2.*:* | m68*:LynxOS:3.0*:*)
         echo m68k-unknown-lynxos${UNAME_RELEASE}
      m68*:LynxOS:2.*:* | m68*:LynxOS:3.0*:*)
         echo m68k-unknown-lynxos${UNAME_RELEASE}
-       exit 0 ;;
+       exit ;;
      mc68030:UNIX_System_V:4.*:*)
         echo m68k-atari-sysv4
      mc68030:UNIX_System_V:4.*:*)
         echo m68k-atari-sysv4
-       exit 0 ;;
-    i*86:LynxOS:2.*:* | i*86:LynxOS:3.[01]*:* | i*86:LynxOS:4.0*:*)
-       echo i386-unknown-lynxos${UNAME_RELEASE}
-       exit 0 ;;
+       exit ;;
      TSUNAMI:LynxOS:2.*:*)
         echo sparc-unknown-lynxos${UNAME_RELEASE}
      TSUNAMI:LynxOS:2.*:*)
         echo sparc-unknown-lynxos${UNAME_RELEASE}
-       exit 0 ;;
+       exit ;;
      rs6000:LynxOS:2.*:*)
         echo rs6000-unknown-lynxos${UNAME_RELEASE}
      rs6000:LynxOS:2.*:*)
         echo rs6000-unknown-lynxos${UNAME_RELEASE}
-       exit 0 ;;
-    PowerPC:LynxOS:2.*:* | PowerPC:LynxOS:3.[01]*:* | PowerPC:LynxOS:4.0*:*)
+       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 0 ;;
+       exit ;;
      SM[BE]S:UNIX_SV:*:*)
         echo mips-dde-sysv${UNAME_RELEASE}
      SM[BE]S:UNIX_SV:*:*)
         echo mips-dde-sysv${UNAME_RELEASE}
-       exit 0 ;;
+       exit ;;
      RM*:ReliantUNIX-*:*:*)
         echo mips-sni-sysv4
      RM*:ReliantUNIX-*:*:*)
         echo mips-sni-sysv4
-       exit 0 ;;
+       exit ;;
      RM*:SINIX-*:*:*)
         echo mips-sni-sysv4
      RM*:SINIX-*:*:*)
         echo mips-sni-sysv4
-       exit 0 ;;
+       exit ;;
      *:SINIX-*:*:*)
         if uname -p 2>/dev/null >/dev/null ; then
                 UNAME_MACHINE=`(uname -p) 2>/dev/null`
      *:SINIX-*:*:*)
         if uname -p 2>/dev/null >/dev/null ; then
                 UNAME_MACHINE=`(uname -p) 2>/dev/null`
@@ -1001,288 +1196,239 @@ EOF
         else
                 echo ns32k-sni-sysv
         fi
         else
                 echo ns32k-sni-sysv
         fi
-       exit 0 ;;
-    PENTIUM:*:4.0*:*) # Unisys `ClearPath HMP IX 4000' SVR4/MP effort
-                      # says <Richard.M.Bartel@ccMail.Census.GOV>
-        echo i586-unisys-sysv4
-        exit 0 ;;
+       exit ;;
+    PENTIUM:*:4.0*:*)  # Unisys `ClearPath HMP IX 4000' SVR4/MP effort
+                       # says <Richard.M.Bartel@ccMail.Census.GOV>
+       echo i586-unisys-sysv4
+       exit ;;
      *:UNIX_System_V:4*:FTX*)
         # From Gerald Hewes <hewes@openmarket.com>.
         # How about differentiating between stratus architectures? -djm
         echo hppa1.1-stratus-sysv4
      *:UNIX_System_V:4*:FTX*)
         # From Gerald Hewes <hewes@openmarket.com>.
         # How about differentiating between stratus architectures? -djm
         echo hppa1.1-stratus-sysv4
-       exit 0 ;;
+       exit ;;
      *:*:*:FTX*)
         # From seanf@swdc.stratus.com.
         echo i860-stratus-sysv4
      *:*:*:FTX*)
         # From seanf@swdc.stratus.com.
         echo i860-stratus-sysv4
-       exit 0 ;;
+       exit ;;
+    i*86:VOS:*:*)
+       # From Paul.Green@stratus.com.
+       echo ${UNAME_MACHINE}-stratus-vos
+       exit ;;
      *:VOS:*:*)
         # From Paul.Green@stratus.com.
         echo hppa1.1-stratus-vos
      *:VOS:*:*)
         # From Paul.Green@stratus.com.
         echo hppa1.1-stratus-vos
-       exit 0 ;;
+       exit ;;
      mc68*:A/UX:*:*)
         echo m68k-apple-aux${UNAME_RELEASE}
      mc68*:A/UX:*:*)
         echo m68k-apple-aux${UNAME_RELEASE}
-       exit 0 ;;
+       exit ;;
      news*:NEWS-OS:6*:*)
         echo mips-sony-newsos6
      news*:NEWS-OS:6*:*)
         echo mips-sony-newsos6
-       exit 0 ;;
+       exit ;;
      R[34]000:*System_V*:*:* | R4000:UNIX_SYSV:*:* | R*000:UNIX_SV:*:*)
         if [ -d /usr/nec ]; then
      R[34]000:*System_V*:*:* | R4000:UNIX_SYSV:*:* | R*000:UNIX_SV:*:*)
         if [ -d /usr/nec ]; then
-               echo mips-nec-sysv${UNAME_RELEASE}
+               echo mips-nec-sysv${UNAME_RELEASE}
         else
         else
-               echo mips-unknown-sysv${UNAME_RELEASE}
+               echo mips-unknown-sysv${UNAME_RELEASE}
         fi
         fi
-        exit 0 ;;
+       exit ;;
      BeBox:BeOS:*:*)    # BeOS running on hardware made by Be, PPC only.
         echo powerpc-be-beos
      BeBox:BeOS:*:*)    # BeOS running on hardware made by Be, PPC only.
         echo powerpc-be-beos
-       exit 0 ;;
+       exit ;;
      BeMac:BeOS:*:*)    # BeOS running on Mac or Mac clone, PPC only.
         echo powerpc-apple-beos
      BeMac:BeOS:*:*)    # BeOS running on Mac or Mac clone, PPC only.
         echo powerpc-apple-beos
-       exit 0 ;;
+       exit ;;
      BePC:BeOS:*:*)     # BeOS running on Intel PC compatible.
         echo i586-pc-beos
      BePC:BeOS:*:*)     # BeOS running on Intel PC compatible.
         echo i586-pc-beos
-       exit 0 ;;
+       exit ;;
+    BePC:Haiku:*:*)    # Haiku running on Intel PC compatible.
+       echo i586-pc-haiku
+       exit ;;
+    x86_64:Haiku:*:*)
+       echo x86_64-unknown-haiku
+       exit ;;
      SX-4:SUPER-UX:*:*)
         echo sx4-nec-superux${UNAME_RELEASE}
      SX-4:SUPER-UX:*:*)
         echo sx4-nec-superux${UNAME_RELEASE}
-       exit 0 ;;
+       exit ;;
      SX-5:SUPER-UX:*:*)
         echo sx5-nec-superux${UNAME_RELEASE}
      SX-5:SUPER-UX:*:*)
         echo sx5-nec-superux${UNAME_RELEASE}
-       exit 0 ;;
+       exit ;;
+    SX-6:SUPER-UX:*:*)
+       echo sx6-nec-superux${UNAME_RELEASE}
+       exit ;;
+    SX-7:SUPER-UX:*:*)
+       echo sx7-nec-superux${UNAME_RELEASE}
+       exit ;;
+    SX-8:SUPER-UX:*:*)
+       echo sx8-nec-superux${UNAME_RELEASE}
+       exit ;;
+    SX-8R:SUPER-UX:*:*)
+       echo sx8r-nec-superux${UNAME_RELEASE}
+       exit ;;
+    SX-ACE:SUPER-UX:*:*)
+       echo sxace-nec-superux${UNAME_RELEASE}
+       exit ;;
      Power*:Rhapsody:*:*)
         echo powerpc-apple-rhapsody${UNAME_RELEASE}
      Power*:Rhapsody:*:*)
         echo powerpc-apple-rhapsody${UNAME_RELEASE}
-       exit 0 ;;
+       exit ;;
      *:Rhapsody:*:*)
         echo ${UNAME_MACHINE}-apple-rhapsody${UNAME_RELEASE}
      *:Rhapsody:*:*)
         echo ${UNAME_MACHINE}-apple-rhapsody${UNAME_RELEASE}
-       exit 0 ;;
+       exit ;;
      *:Darwin:*:*)
      *:Darwin:*:*)
-       echo `uname -p`-apple-darwin${UNAME_RELEASE}
-       exit 0 ;;
+       UNAME_PROCESSOR=`uname -p` || UNAME_PROCESSOR=unknown
+       eval $set_cc_for_build
+       if test "$UNAME_PROCESSOR" = unknown ; then
+           UNAME_PROCESSOR=powerpc
+       fi
+       if test `echo "$UNAME_RELEASE" | sed -e 's/\..*//'` -le 10 ; then
+           if [ "$CC_FOR_BUILD" != no_compiler_found ]; then
+               if (echo '#ifdef __LP64__'; echo IS_64BIT_ARCH; echo '#endif') | \
+                      (CCOPTS="" $CC_FOR_BUILD -E - 2>/dev/null) | \
+                      grep IS_64BIT_ARCH >/dev/null
+               then
+                   case $UNAME_PROCESSOR in
+                       i386) UNAME_PROCESSOR=x86_64 ;;
+                       powerpc) UNAME_PROCESSOR=powerpc64 ;;
+                   esac
+               fi
+               # On 10.4-10.6 one might compile for PowerPC via gcc -arch ppc
+               if (echo '#ifdef __POWERPC__'; echo IS_PPC; echo '#endif') | \
+                      (CCOPTS="" $CC_FOR_BUILD -E - 2>/dev/null) | \
+                      grep IS_PPC >/dev/null
+               then
+                   UNAME_PROCESSOR=powerpc
+               fi
+           fi
+       elif test "$UNAME_PROCESSOR" = i386 ; then
+           # Avoid executing cc on OS X 10.9, as it ships with a stub
+           # that puts up a graphical alert prompting to install
+           # developer tools.  Any system running Mac OS X 10.7 or
+           # later (Darwin 11 and later) is required to have a 64-bit
+           # processor. This is not true of the ARM version of Darwin
+           # that Apple uses in portable devices.
+           UNAME_PROCESSOR=x86_64
+       fi
+       echo ${UNAME_PROCESSOR}-apple-darwin${UNAME_RELEASE}
+       exit ;;
      *:procnto*:*:* | *:QNX:[0123456789]*:*)
      *:procnto*:*:* | *:QNX:[0123456789]*:*)
-       if test "${UNAME_MACHINE}" = "x86pc"; then
+       UNAME_PROCESSOR=`uname -p`
+       if test "$UNAME_PROCESSOR" = x86; then
+               UNAME_PROCESSOR=i386
                 UNAME_MACHINE=pc
         fi
                 UNAME_MACHINE=pc
         fi
-       echo `uname -p`-${UNAME_MACHINE}-nto-qnx
-       exit 0 ;;
+       echo ${UNAME_PROCESSOR}-${UNAME_MACHINE}-nto-qnx${UNAME_RELEASE}
+       exit ;;
      *:QNX:*:4*)
         echo i386-pc-qnx
      *:QNX:*:4*)
         echo i386-pc-qnx
-       exit 0 ;;
-    NSR-[KW]:NONSTOP_KERNEL:*:*)
+       exit ;;
+    NEO-*:NONSTOP_KERNEL:*:*)
+       echo neo-tandem-nsk${UNAME_RELEASE}
+       exit ;;
+    NSE-*:NONSTOP_KERNEL:*:*)
+       echo nse-tandem-nsk${UNAME_RELEASE}
+       exit ;;
+    NSR-*:NONSTOP_KERNEL:*:*)
         echo nsr-tandem-nsk${UNAME_RELEASE}
         echo nsr-tandem-nsk${UNAME_RELEASE}
-       exit 0 ;;
+       exit ;;
+    NSX-*:NONSTOP_KERNEL:*:*)
+       echo nsx-tandem-nsk${UNAME_RELEASE}
+       exit ;;
      *:NonStop-UX:*:*)
         echo mips-compaq-nonstopux
      *:NonStop-UX:*:*)
         echo mips-compaq-nonstopux
-       exit 0 ;;
+       exit ;;
      BS2000:POSIX*:*:*)
         echo bs2000-siemens-sysv
      BS2000:POSIX*:*:*)
         echo bs2000-siemens-sysv
-       exit 0 ;;
+       exit ;;
      DS/*:UNIX_System_V:*:*)
         echo ${UNAME_MACHINE}-${UNAME_SYSTEM}-${UNAME_RELEASE}
      DS/*:UNIX_System_V:*:*)
         echo ${UNAME_MACHINE}-${UNAME_SYSTEM}-${UNAME_RELEASE}
-       exit 0 ;;
+       exit ;;
      *:Plan9:*:*)
         # "uname -m" is not consistent, so use $cputype instead. 386
         # is converted to i386 for consistency with other x86
         # operating systems.
      *:Plan9:*:*)
         # "uname -m" is not consistent, so use $cputype instead. 386
         # is converted to i386 for consistency with other x86
         # operating systems.
-       if test "$cputype" = "386"; then
+       if test "$cputype" = 386; then
             UNAME_MACHINE=i386
         else
             UNAME_MACHINE="$cputype"
         fi
         echo ${UNAME_MACHINE}-unknown-plan9
             UNAME_MACHINE=i386
         else
             UNAME_MACHINE="$cputype"
         fi
         echo ${UNAME_MACHINE}-unknown-plan9
-       exit 0 ;;
-    i*86:OS/2:*:*)
-       # If we were able to find `uname', then EMX Unix compatibility
-       # is probably installed.
-       echo ${UNAME_MACHINE}-pc-os2-emx
-       exit 0 ;;
+       exit ;;
      *:TOPS-10:*:*)
         echo pdp10-unknown-tops10
      *:TOPS-10:*:*)
         echo pdp10-unknown-tops10
-       exit 0 ;;
+       exit ;;
      *:TENEX:*:*)
         echo pdp10-unknown-tenex
      *:TENEX:*:*)
         echo pdp10-unknown-tenex
-       exit 0 ;;
+       exit ;;
      KS10:TOPS-20:*:* | KL10:TOPS-20:*:* | TYPE4:TOPS-20:*:*)
         echo pdp10-dec-tops20
      KS10:TOPS-20:*:* | KL10:TOPS-20:*:* | TYPE4:TOPS-20:*:*)
         echo pdp10-dec-tops20
-       exit 0 ;;
+       exit ;;
      XKL-1:TOPS-20:*:* | TYPE5:TOPS-20:*:*)
         echo pdp10-xkl-tops20
      XKL-1:TOPS-20:*:* | TYPE5:TOPS-20:*:*)
         echo pdp10-xkl-tops20
-       exit 0 ;;
+       exit ;;
      *:TOPS-20:*:*)
         echo pdp10-unknown-tops20
      *:TOPS-20:*:*)
         echo pdp10-unknown-tops20
-       exit 0 ;;
+       exit ;;
      *:ITS:*:*)
         echo pdp10-unknown-its
      *:ITS:*:*)
         echo pdp10-unknown-its
-       exit 0 ;;
-    i*86:XTS-300:*:STOP)
-       echo ${UNAME_MACHINE}-unknown-stop
-       exit 0 ;;
-    i*86:atheos:*:*)
-       echo ${UNAME_MACHINE}-unknown-atheos
-       exit 0 ;;
+       exit ;;
+    SEI:*:*:SEIUX)
+       echo mips-sei-seiux${UNAME_RELEASE}
+       exit ;;
+    *:DragonFly:*:*)
+       echo ${UNAME_MACHINE}-unknown-dragonfly`echo ${UNAME_RELEASE}|sed -e 's/[-(].*//'`
+       exit ;;
+    *:*VMS:*:*)
+       UNAME_MACHINE=`(uname -p) 2>/dev/null`
+       case "${UNAME_MACHINE}" in
+           A*) echo alpha-dec-vms ; exit ;;
+           I*) echo ia64-dec-vms ; exit ;;
+           V*) echo vax-dec-vms ; exit ;;
+       esac ;;
+    *:XENIX:*:SysV)
+       echo i386-pc-xenix
+       exit ;;
+    i*86:skyos:*:*)
+       echo ${UNAME_MACHINE}-pc-skyos`echo ${UNAME_RELEASE} | sed -e 's/ .*$//'`
+       exit ;;
+    i*86:rdos:*:*)
+       echo ${UNAME_MACHINE}-pc-rdos
+       exit ;;
+    i*86: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 ;;
  esac
  
  esac
  
-#echo '(No uname command or uname output not recognized.)' 1>&2
-#echo "${UNAME_MACHINE}:${UNAME_SYSTEM}:${UNAME_RELEASE}:${UNAME_VERSION}" 1>&2
+echo "$0: unable to guess system type" >&2
  
  
-eval $set_cc_for_build
-cat >$dummy.c <<EOF
-#ifdef _SEQUENT_
-# include <sys/types.h>
-# include <sys/utsname.h>
-#endif
-main ()
-{
-#if defined (sony)
-#if defined (MIPSEB)
-  /* BFD wants "bsd" instead of "newsos".  Perhaps BFD should be changed,
-     I don't know....  */
-  printf ("mips-sony-bsd\n"); exit (0);
-#else
-#include <sys/param.h>
-  printf ("m68k-sony-newsos%s\n",
-#ifdef NEWSOS4
-          "4"
-#else
-         ""
-#endif
-         ); exit (0);
-#endif
-#endif
-
-#if defined (__arm) && defined (__acorn) && defined (__unix)
-  printf ("arm-acorn-riscix"); exit (0);
-#endif
-
-#if defined (hp300) && !defined (hpux)
-  printf ("m68k-hp-bsd\n"); exit (0);
-#endif
-
-#if defined (NeXT)
-#if !defined (__ARCHITECTURE__)
-#define __ARCHITECTURE__ "m68k"
-#endif
-  int version;
-  version=`(hostinfo | sed -n 's/.*NeXT Mach \([0-9]*\).*/\1/p') 2>/dev/null`;
-  if (version < 4)
-    printf ("%s-next-nextstep%d\n", __ARCHITECTURE__, version);
-  else
-    printf ("%s-next-openstep%d\n", __ARCHITECTURE__, version);
-  exit (0);
-#endif
-
-#if defined (MULTIMAX) || defined (n16)
-#if defined (UMAXV)
-  printf ("ns32k-encore-sysv\n"); exit (0);
-#else
-#if defined (CMU)
-  printf ("ns32k-encore-mach\n"); exit (0);
-#else
-  printf ("ns32k-encore-bsd\n"); exit (0);
-#endif
-#endif
-#endif
-
-#if defined (__386BSD__)
-  printf ("i386-pc-bsd\n"); exit (0);
-#endif
-
-#if defined (sequent)
-#if defined (i386)
-  printf ("i386-sequent-dynix\n"); exit (0);
-#endif
-#if defined (ns32000)
-  printf ("ns32k-sequent-dynix\n"); exit (0);
-#endif
-#endif
-
-#if defined (_SEQUENT_)
-    struct utsname un;
-
-    uname(&un);
+case "${UNAME_MACHINE}:${UNAME_SYSTEM}" in
+    mips:Linux | mips64:Linux)
+       # If we got here on MIPS GNU/Linux, output extra information.
+       cat >&2 <<EOF
  
  
-    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
-    printf ("vax-dec-ultrix\n"); exit (0);
-# endif
-#endif
-
-#if defined (alliant) && defined (i860)
-  printf ("i860-alliant-bsd\n"); exit (0);
-#endif
-
-  exit (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
  EOF
-
-$CC_FOR_BUILD $dummy.c -o $dummy 2>/dev/null && ./$dummy && rm -f $dummy.c $dummy && exit 0
-rm -f $dummy.c $dummy
-
-# Apollos put the system type in the environment.
-
-test -d /usr/apollo && { echo ${ISP}-apollo-${SYSTYPE}; exit 0; }
-
-# Convex versions that predate uname can use getsysinfo(1)
-
-if [ -x /usr/convex/getsysinfo ]
-then
-    case `getsysinfo -f cpu_type` in
-    c1*)
-       echo c1-convex-bsd
-       exit 0 ;;
-    c2*)
-       if getsysinfo -f scalar_acc
-       then echo c32-convex-bsd
-       else echo c2-convex-bsd
-       fi
-       exit 0 ;;
-    c34*)
-       echo c34-convex-bsd
-       exit 0 ;;
-    c38*)
-       echo c38-convex-bsd
-       exit 0 ;;
-    c4*)
-       echo c4-convex-bsd
-       exit 0 ;;
-    esac
-fi
+       ;;
+esac
  
  cat >&2 <<EOF
  
  cat >&2 <<EOF
-$0: unable to guess system type
  
  
-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
+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:
  
  
-    ftp://ftp.gnu.org/pub/gnu/config/
+  https://git.savannah.gnu.org/gitweb/?p=config.git;a=blob_plain;f=config.guess
+and
+  https://git.savannah.gnu.org/gitweb/?p=config.git;a=blob_plain;f=config.sub
  
  
-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.
+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.
  
  config.guess timestamp = $timestamp
  
  
  config.guess timestamp = $timestamp
  
@@ -1310,7 +1456,7 @@ EOF
  exit 1
  
  # Local variables:
  exit 1
  
  # Local variables:
-# eval: (add-hook 'write-file-hooks 'time-stamp)
+# eval: (add-hook 'write-file-functions 'time-stamp)
  # time-stamp-start: "timestamp='"
  # time-stamp-format: "%:y-%02m-%02d"
  # time-stamp-end: "'"
  # time-stamp-start: "timestamp='"
  # time-stamp-format: "%:y-%02m-%02d"
  # time-stamp-end: "'"