]> git.saurik.com Git - wxWidgets.git/blobdiff - config.guess
Try to find another wxAny test that results in heap corruption.
[wxWidgets.git] / config.guess
index 6cb567b8ae6c0afe306ac67603e16d01e7309157..7436f008a48085a324226585ffdb0133d447912f 100755 (executable)
@@ -1,8 +1,11 @@
 #! /bin/sh
 # Attempt to guess a canonical system name.
-#   Copyright (C) 1992, 1993, 1994, 1995, 1996, 1997, 1998, 1999
+#   Copyright (C) 1992, 1993, 1994, 1995, 1996, 1997, 1998, 1999,
+#   2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010
 #   Free Software Foundation, Inc.
-#
+
+timestamp='2010-09-24'
+
 # 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
 #
 # 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.
+# Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston, MA
+# 02110-1301, USA.
 #
 # 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>.
-# The master version of this file is at the FSF in /home/gd/gnu/lib.
-# Please send patches to the Autoconf mailing list <autoconf@gnu.org>.
+
+# Originally written by Per Bothner.  Please send patches (context
+# diff format) to <config-patches@gnu.org> and include a ChangeLog
+# entry.
 #
 # This script attempts to guess a canonical system name similar to
 # config.sub.  If it succeeds, it prints the system name on stdout, and
 # exits with 0.  Otherwise, it exits with 1.
 #
-# The plan is that this can be called by configure scripts if you
-# don't specify an explicit system type (host/target name).
-#
-# Only a few systems have been added to this list; please add others
-# (but try to keep the structure clean).
-#
+# You can get the latest version of this script from:
+# http://git.savannah.gnu.org/gitweb/?p=config.git;a=blob_plain;f=config.guess;hb=HEAD
 
-# Use $HOST_CC if defined. $CC may point to a cross-compiler
-if test x"$CC_FOR_BUILD" = x; then
-  if test x"$HOST_CC" != x; then
-    CC_FOR_BUILD="$HOST_CC"
-  else
-    if test x"$CC" != x; then
-      CC_FOR_BUILD="$CC"
-    else
-      CC_FOR_BUILD=cc
-    fi
-  fi
+me=`echo "$0" | sed -e 's,.*/,,'`
+
+usage="\
+Usage: $0 [OPTION]
+
+Output the configuration name of the system \`$me' is run on.
+
+Operation modes:
+  -h, --help         print this help, then exit
+  -t, --time-stamp   print date of last modification, then exit
+  -v, --version      print version number, then exit
+
+Report bugs and patches to <config-patches@gnu.org>."
+
+version="\
+GNU config.guess ($timestamp)
+
+Originally written by Per Bothner.
+Copyright (C) 1992, 1993, 1994, 1995, 1996, 1997, 1998, 1999, 2000,
+2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010 Free
+Software Foundation, Inc.
+
+This is free software; see the source for copying conditions.  There is NO
+warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE."
+
+help="
+Try \`$me --help' for more information."
+
+# Parse command line
+while test $# -gt 0 ; do
+  case $1 in
+    --time-stamp | --time* | -t )
+       echo "$timestamp" ; exit ;;
+    --version | -v )
+       echo "$version" ; exit ;;
+    --help | --h* | -h )
+       echo "$usage"; exit ;;
+    -- )     # Stop option processing
+       shift; break ;;
+    - )        # Use stdin as input.
+       break ;;
+    -* )
+       echo "$me: invalid option $1$help" >&2
+       exit 1 ;;
+    * )
+       break ;;
+  esac
+done
+
+if test $# != 0; then
+  echo "$me: too many arguments$help" >&2
+  exit 1
 fi
 
+trap 'exit 1' HUP INT TERM
+
+# 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.
+
+# Historically, `CC_FOR_BUILD' used to be named `HOST_CC'. We still
+# use `HOST_CC' if defined, but it is deprecated.
+
+# 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" HUP INT PIPE TERM ;
+: ${TMPDIR=/tmp} ;
+ { tmp=`(umask 077 && mktemp -d "$TMPDIR/cgXXXXXX") 2>/dev/null` && test -n "$tmp" && test -d "$tmp" ; } ||
+ { test -n "$RANDOM" && tmp=$TMPDIR/cg$$-$RANDOM && (umask 077 && mkdir $tmp) ; } ||
+ { tmp=$TMPDIR/cg-$$ && (umask 077 && mkdir $tmp) && echo "Warning: creating insecure temp directory" >&2 ; } ||
+ { echo "$me: cannot create a temporary directory in $TMPDIR" >&2 ; exit 1 ; } ;
+dummy=$tmp/dummy ;
+tmpfiles="$dummy.c $dummy.o $dummy.rel $dummy" ;
+case $CC_FOR_BUILD,$HOST_CC,$CC in
+ ,,)    echo "int x;" > $dummy.c ;
+       for c in cc gcc c89 c99 ; do
+         if ($c -c -o $dummy.o $dummy.c) >/dev/null 2>&1 ; then
+            CC_FOR_BUILD="$c"; break ;
+         fi ;
+       done ;
+       if test x"$CC_FOR_BUILD" = x ; then
+         CC_FOR_BUILD=no_compiler_found ;
+       fi
+       ;;
+ ,,*)   CC_FOR_BUILD=$CC ;;
+ ,*,*)  CC_FOR_BUILD=$HOST_CC ;;
+esac ; set_cc_for_build= ;'
 
 # This is needed to find uname on a Pyramid OSx when run in the BSD universe.
-# (ghazi@noc.rutgers.edu 8/24/94.)
+# (ghazi@noc.rutgers.edu 1994-08-24)
 if (test -f /.attbin/uname) >/dev/null 2>&1 ; then
        PATH=$PATH:/.attbin ; export PATH
 fi
 
 UNAME_MACHINE=`(uname -m) 2>/dev/null` || UNAME_MACHINE=unknown
 UNAME_RELEASE=`(uname -r) 2>/dev/null` || UNAME_RELEASE=unknown
-UNAME_SYSTEM=`(uname -s) 2>/dev/null` || UNAME_SYSTEM=unknown
+UNAME_SYSTEM=`(uname -s) 2>/dev/null`  || UNAME_SYSTEM=unknown
 UNAME_VERSION=`(uname -v) 2>/dev/null` || UNAME_VERSION=unknown
 
-dummy=dummy-$$
-trap 'rm -f $dummy.c $dummy.o $dummy; exit 1' 1 2 15
-
 # 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*,
+       # *-*-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.
+       #
+       # 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=`(/sbin/$sysctl 2>/dev/null || \
+           /usr/sbin/$sysctl 2>/dev/null || echo unknown)`
+       case "${UNAME_MACHINE_ARCH}" in
+           armeb) machine=armeb-unknown ;;
+           arm*) machine=arm-unknown ;;
+           sh3el) machine=shl-unknown ;;
+           sh3eb) machine=sh-unknown ;;
+           sh5el) machine=sh5le-unknown ;;
+           *) machine=${UNAME_MACHINE_ARCH}-unknown ;;
+       esac
+       # The Operating System including object format, if it has switched
+       # to ELF recently, or will in the future.
+       case "${UNAME_MACHINE_ARCH}" in
+           arm*|i386|m68k|ns32k|sh3*|sparc|vax)
+               eval $set_cc_for_build
+               if echo __ELF__ | $CC_FOR_BUILD -E - 2>/dev/null \
+                       | grep -q __ELF__
+               then
+                   # Once all utilities can be ECOFF (netbsdecoff) or a.out (netbsdaout).
+                   # Return netbsd for either.  FIX?
+                   os=netbsd
+               else
+                   os=netbsdelf
+               fi
+               ;;
+           *)
+               os=netbsd
+               ;;
+       esac
+       # The OS release
+       # Debian GNU/NetBSD machines have a different userland, and
+       # thus, need a distinct triplet. However, they do not need
+       # kernel version information, so it can be replaced with a
+       # suitable tag, in the style of linux-gnu.
+       case "${UNAME_VERSION}" in
+           Debian*)
+               release='-gnu'
+               ;;
+           *)
+               release=`echo ${UNAME_RELEASE}|sed -e 's/[-_].*/\./'`
+               ;;
+       esac
+       # Since CPU_TYPE-MANUFACTURER-KERNEL-OPERATING_SYSTEM:
+       # contains redundant information, the shorter form:
+       # CPU_TYPE-MANUFACTURER-OPERATING_SYSTEM is used.
+       echo "${machine}-${os}${release}"
+       exit ;;
+    *:OpenBSD:*:*)
+       UNAME_MACHINE_ARCH=`arch | sed 's/OpenBSD.//'`
+       echo ${UNAME_MACHINE_ARCH}-unknown-openbsd${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 ;;
     alpha:OSF1:*:*)
-       if test $UNAME_RELEASE = "V4.0"; then
+       case $UNAME_RELEASE in
+       *4.0)
                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.
-       cat <<EOF >$dummy.s
-       .globl main
-       .ent main
-main:
-       .frame \$30,0,\$26,0
-       .prologue 0
-       .long 0x47e03d80 # implver $0
-       lda \$2,259
-       .long 0x47e20c21 # amask $2,$1
-       srl \$1,8,\$2
-       sll \$2,2,\$2
-       sll \$0,3,\$0
-       addl \$1,\$0,\$0
-       addl \$2,\$0,\$0
-       ret \$31,(\$26),1
-       .end main
-EOF
-       $CC_FOR_BUILD $dummy.s -o $dummy 2>/dev/null
-       if test "$?" = 0 ; then
-               ./$dummy
-               case "$?" in
-                       7)
-                               UNAME_MACHINE="alpha"
-                               ;;
-                       15)
-                               UNAME_MACHINE="alphaev5"
-                               ;;
-                       14)
-                               UNAME_MACHINE="alphaev56"
-                               ;;
-                       10)
-                               UNAME_MACHINE="alphapca56"
-                               ;;
-                       16)
-                               UNAME_MACHINE="alphaev6"
-                               ;;
-               esac
-       fi
-       rm -f $dummy.s $dummy
-       echo ${UNAME_MACHINE}-dec-osf`echo ${UNAME_RELEASE} | sed -e 's/^[VTX]//' | tr 'ABCDEFGHIJKLMNOPQRSTUVWXYZ' 'abcdefghijklmnopqrstuvwxyz'`
-       exit 0 ;;
+       echo ${UNAME_MACHINE}-dec-osf`echo ${UNAME_RELEASE} | sed -e 's/^[PVTX]//' | tr 'ABCDEFGHIJKLMNOPQRSTUVWXYZ' 'abcdefghijklmnopqrstuvwxyz'`
+       exit ;;
     Alpha\ *:Windows_NT*:*)
        # How do we know it's Interix rather than the generic POSIX subsystem?
        # Should we change UNAME_MACHINE based on the output of uname instead
        # of the specific Alpha model?
        echo alpha-pc-interix
-       exit ;;
+       exit ;;
     21064:Windows_NT:50:3)
        echo alpha-dec-winnt3.5
-       exit ;;
+       exit ;;
     Amiga*:UNIX_System_V:4.0:*)
-       echo m68k-cbm-sysv4
-       exit 0;;
-    amiga:NetBSD:*:*)
-      echo m68k-cbm-netbsd${UNAME_RELEASE}
-      exit 0 ;;
-    amiga:OpenBSD:*:*)
-       echo m68k-unknown-openbsd${UNAME_RELEASE}
-       exit 0 ;;
+       echo m68k-unknown-sysv4
+       exit ;;
     *:[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 ${UNAME_MACHINE}-unknown-morphos
+       exit ;;
+    *:OS/390:*:*)
+       echo i370-ibm-openedition
+       exit ;;
+    *:z/VM:*:*)
+       echo s390-ibm-zvmoe
+       exit ;;
+    *:OS400:*:*)
+        echo powerpc-ibm-os400
+       exit ;;
     arm:RISC*:1.[012]*:*|arm:riscix:1.[012]*:*)
        echo arm-acorn-riscix${UNAME_RELEASE}
-       exit 0;;
-    arm32:NetBSD:*:*)
-       echo arm-unknown-netbsd`echo ${UNAME_RELEASE}|sed -e 's/[-_].*/\./'`
-       exit ;;
-    SR2?01:HI-UX/MPP:*:*)
+       exit ;;
+    arm:riscos:*:*|arm:RISCOS:*:*)
+       echo arm-unknown-riscos
+       exit ;;
+    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
@@ -172,25 +314,51 @@ EOF
        else
                echo pyramid-pyramid-bsd
        fi
-       exit ;;
+       exit ;;
     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/[^.]*//'`
-       exit ;;
+       exit ;;
     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/[^.]*//'`
-       exit ;;
+       exit ;;
     sun4*:SunOS:*:*)
        case "`/usr/bin/arch -k`" in
            Series*|S4*)
@@ -199,12 +367,12 @@ EOF
        esac
        # Japanese Language versions have a version number like `4.1.3-JL'.
        echo sparc-sun-sunos`echo ${UNAME_RELEASE}|sed -e 's/-/_/'`
-       exit ;;
+       exit ;;
     sun3*:SunOS:*:*)
        echo m68k-sun-sunos${UNAME_RELEASE}
-       exit ;;
+       exit ;;
     sun*:*:4.2BSD:*)
-       UNAME_RELEASE=`(head -1 /etc/motd | awk '{print substr($5,1,3)}') 2>/dev/null`
+       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)
@@ -214,19 +382,13 @@ EOF
                echo sparc-sun-sunos${UNAME_RELEASE}
                ;;
        esac
-       exit ;;
+       exit ;;
     aushp:SunOS:*:*)
        echo sparc-auspex-sunos${UNAME_RELEASE}
-       exit 0 ;;
-    atari*:NetBSD:*:*)
-       echo m68k-atari-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 
+    # "atarist" or "atariste" at least should have a processor
     # > m68000).  The system name ranges from "MiNT" over "FreeMiNT"
     # to the lowercase version "mint" (or "freemint").  Finally
     # the system name "TOS" denotes a system which is actually not
@@ -234,61 +396,45 @@ EOF
     # be no problem.
     atarist[e]:*MiNT:*:* | atarist[e]:*mint:*:* | atarist[e]:*TOS:*:*)
         echo m68k-atari-mint${UNAME_RELEASE}
-       exit ;;
+       exit ;;
     atari*:*MiNT:*:* | atari*:*mint:*:* | atarist[e]:*TOS:*:*)
        echo m68k-atari-mint${UNAME_RELEASE}
-        exit ;;
+        exit ;;
     *falcon*:*MiNT:*:* | *falcon*:*mint:*:* | *falcon*:*TOS:*:*)
         echo m68k-atari-mint${UNAME_RELEASE}
-       exit ;;
+       exit ;;
     milan*:*MiNT:*:* | milan*:*mint:*:* | *milan*:*TOS:*:*)
         echo m68k-milan-mint${UNAME_RELEASE}
-        exit ;;
+        exit ;;
     hades*:*MiNT:*:* | hades*:*mint:*:* | *hades*:*TOS:*:*)
         echo m68k-hades-mint${UNAME_RELEASE}
-        exit ;;
+        exit ;;
     *:*MiNT:*:* | *:*mint:*:* | *:*TOS:*:*)
         echo m68k-unknown-mint${UNAME_RELEASE}
-        exit 0 ;;
-    sun3*:NetBSD:*:*)
-       echo m68k-sun-netbsd${UNAME_RELEASE}
-       exit 0 ;;
-    sun3*:OpenBSD:*:*)
-       echo m68k-unknown-openbsd${UNAME_RELEASE}
-       exit 0 ;;
-    mac68k:NetBSD:*:*)
-       echo m68k-apple-netbsd${UNAME_RELEASE}
-       exit 0 ;;
-    mac68k:OpenBSD:*:*)
-       echo m68k-unknown-openbsd${UNAME_RELEASE}
-       exit 0 ;;
-    mvme68k:OpenBSD:*:*)
-       echo m68k-unknown-openbsd${UNAME_RELEASE}
-       exit 0 ;;
-    mvme88k:OpenBSD:*:*)
-       echo m88k-unknown-openbsd${UNAME_RELEASE}
-       exit 0 ;;
+        exit ;;
+    m68k:machten:*:*)
+       echo m68k-apple-machten${UNAME_RELEASE}
+       exit ;;
     powerpc:machten:*:*)
        echo powerpc-apple-machten${UNAME_RELEASE}
-       exit 0 ;;
-    macppc:NetBSD:*:*)
-        echo powerpc-apple-netbsd${UNAME_RELEASE}
-        exit 0 ;;
+       exit ;;
     RISC*:Mach:*:*)
        echo mips-dec-mach_bsd4.3
-       exit ;;
+       exit ;;
     RISC*:ULTRIX:*:*)
        echo mips-dec-ultrix${UNAME_RELEASE}
-       exit ;;
+       exit ;;
     VAX*:ULTRIX*:*:*)
        echo vax-dec-ultrix${UNAME_RELEASE}
-       exit ;;
+       exit ;;
     2020:CLIX:*:* | 2430:CLIX:*:*)
        echo clipper-intergraph-clix${UNAME_RELEASE}
-       exit ;;
+       exit ;;
     mips:*:*:UMIPS | mips:*:*:RISCos)
+       eval $set_cc_for_build
        sed 's/^        //' << EOF >$dummy.c
 #ifdef __cplusplus
+#include <stdio.h>  /* for printf() prototype */
        int main (int argc, char *argv[]) {
 #else
        int main (argc, argv) int argc; char *argv[]; {
@@ -307,61 +453,82 @@ EOF
          exit (-1);
        }
 EOF
-       $CC_FOR_BUILD $dummy.c -o $dummy \
-         && ./$dummy `echo "${UNAME_RELEASE}" | sed -n 's/\([0-9]*\).*/\1/p'` \
-         && rm $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}
-       exit 0 ;;
+       exit ;;
+    Motorola:PowerMAX_OS:*:*)
+       echo powerpc-motorola-powermax
+       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
-       exit ;;
+       exit ;;
     m88k:CX/UX:7*:*)
        echo m88k-harris-cxux7
-       exit ;;
+       exit ;;
     m88k:*:4*:R4*)
        echo m88k-motorola-sysv4
-       exit ;;
+       exit ;;
     m88k:*:3*:R3*)
        echo m88k-motorola-sysv3
-       exit ;;
+       exit ;;
     AViiON:dgux:*:*)
         # DG/UX returns AViiON for all architectures
         UNAME_PROCESSOR=`/usr/bin/uname -p`
-        if [ $UNAME_PROCESSOR = mc88100 -o $UNAME_PROCESSOR = mc88110 ] ; then
-       if [ ${TARGET_BINARY_INTERFACE}x = m88kdguxelfx \
-            -o ${TARGET_BINARY_INTERFACE}x = x ] ; then
+       if [ $UNAME_PROCESSOR = mc88100 ] || [ $UNAME_PROCESSOR = mc88110 ]
+       then
+           if [ ${TARGET_BINARY_INTERFACE}x = m88kdguxelfx ] || \
+              [ ${TARGET_BINARY_INTERFACE}x = x ]
+           then
                echo m88k-dg-dgux${UNAME_RELEASE}
-       else
+           else
                echo m88k-dg-dguxbcs${UNAME_RELEASE}
+           fi
+       else
+           echo i586-dg-dgux${UNAME_RELEASE}
        fi
-        else echo i586-dg-dgux${UNAME_RELEASE}
-        fi
-       exit 0 ;;
+       exit ;;
     M88*:DolphinOS:*:*)        # DolphinOS (SVR3)
        echo m88k-dolphin-sysv3
-       exit ;;
+       exit ;;
     M88*:*:R3*:*)
        # Delta 88k system running SVR3
        echo m88k-motorola-sysv3
-       exit ;;
+       exit ;;
     XD88*:*:*:*) # Tektronix XD88 system running UTekV (SVR3)
        echo m88k-tektronix-sysv3
-       exit ;;
+       exit ;;
     Tek43[0-9][0-9]:UTek:*:*) # Tektronix 4300 system running UTek (BSD)
        echo m68k-tektronix-bsd
-       exit ;;
+       exit ;;
     *:IRIX*:*:*)
        echo mips-sgi-irix`echo ${UNAME_RELEASE}|sed -e 's/-/_/g'`
-       exit ;;
+       exit ;;
     ????????:AIX?:[12].1:2)   # AIX 2.2.1 or AIX 2.1.1 is RT/PC AIX.
-       echo romp-ibm-aix      # uname -m gives an 8 hex-code CPU id
-       exit 0 ;;              # Note that: echo "'`uname -s`'" gives 'AIX '
-    i?86:AIX:*:*)
+       echo romp-ibm-aix     # uname -m gives an 8 hex-code CPU id
+       exit ;;               # Note that: echo "'`uname -s`'" gives 'AIX '
+    i*86:AIX:*:*)
        echo i386-ibm-aix
-       exit 0 ;;
+       exit ;;
+    ia64:AIX:*:*)
+       if [ -x /usr/bin/oslevel ] ; then
+               IBM_REV=`/usr/bin/oslevel`
+       else
+               IBM_REV=${UNAME_VERSION}.${UNAME_RELEASE}
+       fi
+       echo ${UNAME_MACHINE}-ibm-aix${IBM_REV}
+       exit ;;
     *:AIX:2:3)
        if grep bos325 /usr/include/stdio.h >/dev/null 2>&1; then
+               eval $set_cc_for_build
                sed 's/^                //' << EOF >$dummy.c
                #include <sys/systemcfg.h>
 
@@ -373,18 +540,21 @@ EOF
                        exit(0);
                        }
 EOF
-               $CC_FOR_BUILD $dummy.c -o $dummy && ./$dummy && rm $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
-       exit ;;
-    *:AIX:*:4)
-       IBM_CPU_ID=`/usr/sbin/lsdev -C -c processor -S available | head -1 | awk '{ print $1 }'`
-       if /usr/sbin/lsattr -EHl ${IBM_CPU_ID} | grep POWER >/dev/null 2>&1; then
+       exit ;;
+    *:AIX:*:[4567])
+       IBM_CPU_ID=`/usr/sbin/lsdev -C -c processor -S available | sed 1q | awk '{ print $1 }'`
+       if /usr/sbin/lsattr -El ${IBM_CPU_ID} | grep ' POWER' >/dev/null 2>&1; then
                IBM_ARCH=rs6000
        else
                IBM_ARCH=powerpc
@@ -392,37 +562,56 @@ EOF
        if [ -x /usr/bin/oslevel ] ; then
                IBM_REV=`/usr/bin/oslevel`
        else
-               IBM_REV=4.${UNAME_RELEASE}
+               IBM_REV=${UNAME_VERSION}.${UNAME_RELEASE}
        fi
        echo ${IBM_ARCH}-ibm-aix${IBM_REV}
-       exit ;;
+       exit ;;
     *:AIX:*:*)
        echo rs6000-ibm-aix
-       exit ;;
+       exit ;;
     ibmrt:4.4BSD:*|romp-ibm:BSD:*)
        echo romp-ibm-bsd4.4
-       exit ;;
-    ibmrt:*BSD:*|romp-ibm:BSD:*)            # covers RT/PC NetBSD and
+       exit ;;
+    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
-       exit ;;
+       exit ;;
     DPX/2?00:B.O.S.:*:*)
        echo m68k-bull-sysv3
-       exit ;;
+       exit ;;
     9000/[34]??:4.3bsd:1.*:*)
        echo m68k-hp-bsd
-       exit ;;
+       exit ;;
     hp300:4.4BSD:*:* | 9000/[34]??:4.3bsd:2.*:*)
        echo m68k-hp-bsd4.4
-       exit ;;
+       exit ;;
     9000/[34678]??:HP-UX:*:*)
+       HPUX_REV=`echo ${UNAME_RELEASE}|sed -e 's/[^.]*.[0B]*//'`
        case "${UNAME_MACHINE}" in
            9000/31? )            HP_ARCH=m68000 ;;
            9000/[34]?? )         HP_ARCH=m68k ;;
            9000/[678][0-9][0-9])
-              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>
 
@@ -453,13 +642,39 @@ EOF
                   exit (0);
               }
 EOF
-       ($CC_FOR_BUILD $dummy.c -o $dummy 2>/dev/null ) && HP_ARCH=`./$dummy`
-       rm -f $dummy.c $dummy
+                   (CCOPTS= $CC_FOR_BUILD -o $dummy $dummy.c 2>/dev/null) && HP_ARCH=`$dummy`
+                   test -z "$HP_ARCH" && HP_ARCH=hppa
+               fi ;;
        esac
-       HPUX_REV=`echo ${UNAME_RELEASE}|sed -e 's/[^.]*.[0B]*//'`
+       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}
-       exit 0 ;;
+       exit ;;
+    ia64:HP-UX:*:*)
+       HPUX_REV=`echo ${UNAME_RELEASE}|sed -e 's/[^.]*.[0B]*//'`
+       echo ia64-hp-hpux${HPUX_REV}
+       exit ;;
     3050*:HI-UX:*:*)
+       eval $set_cc_for_build
        sed 's/^        //' << EOF >$dummy.c
        #include <unistd.h>
        int
@@ -485,409 +700,434 @@ EOF
          exit (0);
        }
 EOF
-       $CC_FOR_BUILD $dummy.c -o $dummy && ./$dummy && rm $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
-       exit ;;
+       exit ;;
     9000/7??:4.3bsd:*:* | 9000/8?[79]:4.3bsd:*:* )
        echo hppa1.1-hp-bsd
-       exit ;;
+       exit ;;
     9000/8??:4.3bsd:*:*)
        echo hppa1.0-hp-bsd
-       exit ;;
-    *9??*:MPE/iX:*:*)
+       exit ;;
+    *9??*:MPE/iX:*:* | *3000*:MPE/iX:*:*)
        echo hppa1.0-hp-mpeix
-       exit ;;
+       exit ;;
     hp7??:OSF1:*:* | hp8?[79]:OSF1:*:* )
        echo hppa1.1-hp-osf
-       exit ;;
+       exit ;;
     hp8??:OSF1:*:*)
        echo hppa1.0-hp-osf
-       exit ;;
-    i?86:OSF1:*:*)
+       exit ;;
+    i*86:OSF1:*:*)
        if [ -x /usr/sbin/sysversion ] ; then
            echo ${UNAME_MACHINE}-unknown-osf1mk
        else
            echo ${UNAME_MACHINE}-unknown-osf1
        fi
-       exit ;;
+       exit ;;
     parisc*:Lites*:*:*)
        echo hppa1.1-hp-lites
-       exit 0 ;;
-    hppa*:OpenBSD:*:*)
-       echo hppa-unknown-openbsd
-       exit 0 ;;
+       exit ;;
     C1*:ConvexOS:*:* | convex:ConvexOS:C1*:*)
        echo c1-convex-bsd
-        exit ;;
+        exit ;;
     C2*:ConvexOS:*:* | convex:ConvexOS:C2*:*)
        if getsysinfo -f scalar_acc
        then echo c32-convex-bsd
        else echo c2-convex-bsd
        fi
-        exit ;;
+        exit ;;
     C34*:ConvexOS:*:* | convex:ConvexOS:C34*:*)
        echo c34-convex-bsd
-        exit ;;
+        exit ;;
     C38*:ConvexOS:*:* | convex:ConvexOS:C38*:*)
        echo c38-convex-bsd
-        exit ;;
+        exit ;;
     C4*:ConvexOS:*:* | convex:ConvexOS:C4*:*)
        echo c4-convex-bsd
-        exit 0 ;;
-    CRAY*X-MP:*:*:*)
-       echo xmp-cray-unicos
-        exit 0 ;;
+        exit ;;
     CRAY*Y-MP:*:*:*)
-       echo ymp-cray-unicos${UNAME_RELEASE}
-       exit ;;
+       echo ymp-cray-unicos${UNAME_RELEASE} | sed -e 's/\.[^.]*$/.X/'
+       exit ;;
     CRAY*[A-Z]90:*:*:*)
        echo ${UNAME_MACHINE}-cray-unicos${UNAME_RELEASE} \
        | sed -e 's/CRAY.*\([A-Z]90\)/\1/' \
-             -e y/ABCDEFGHIJKLMNOPQRSTUVWXYZ/abcdefghijklmnopqrstuvwxyz/
-       exit 0 ;;
+             -e y/ABCDEFGHIJKLMNOPQRSTUVWXYZ/abcdefghijklmnopqrstuvwxyz/ \
+             -e 's/\.[^.]*$/.X/'
+       exit ;;
     CRAY*TS:*:*:*)
-       echo t90-cray-unicos${UNAME_RELEASE}
-       exit ;;
+       echo t90-cray-unicos${UNAME_RELEASE} | sed -e 's/\.[^.]*$/.X/'
+       exit ;;
     CRAY*T3E:*:*:*)
-       echo t3e-cray-unicosmk${UNAME_RELEASE}
-       exit 0 ;;
-    CRAY-2:*:*:*)
-       echo cray2-cray-unicos
-        exit 0 ;;
-    F300:UNIX_System_V:*:*)
+       echo alphaev5-cray-unicosmk${UNAME_RELEASE} | sed -e 's/\.[^.]*$/.X/'
+       exit ;;
+    CRAY*SV1:*:*:*)
+       echo sv1-cray-unicos${UNAME_RELEASE} | sed -e 's/\.[^.]*$/.X/'
+       exit ;;
+    *:UNICOS/mp:*:*)
+       echo craynv-cray-unicosmp${UNAME_RELEASE} | sed -e 's/\.[^.]*$/.X/'
+       exit ;;
+    F30[01]:UNIX_System_V:*:* | F700:UNIX_System_V:*:*)
+       FUJITSU_PROC=`uname -m | tr 'ABCDEFGHIJKLMNOPQRSTUVWXYZ' 'abcdefghijklmnopqrstuvwxyz'`
         FUJITSU_SYS=`uname -p | tr 'ABCDEFGHIJKLMNOPQRSTUVWXYZ' 'abcdefghijklmnopqrstuvwxyz' | sed -e 's/\///'`
         FUJITSU_REL=`echo ${UNAME_RELEASE} | sed -e 's/ /_/'`
-        echo "f300-fujitsu-${FUJITSU_SYS}${FUJITSU_REL}"
-        exit 0 ;;
-    F301:UNIX_System_V:*:*)
-       echo f301-fujitsu-uxpv`echo $UNAME_RELEASE | sed 's/ .*//'`
-       exit 0 ;;
-    hp3[0-9][05]:NetBSD:*:*)
-       echo m68k-hp-netbsd${UNAME_RELEASE}
-       exit 0 ;;
-    hp300:OpenBSD:*:*)
-       echo m68k-unknown-openbsd${UNAME_RELEASE}
-       exit 0 ;;
-    i?86:BSD/386:*:* | i?86:BSD/OS:*:*)
+        echo "${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}
-       exit ;;
+       exit ;;
     sparc*:BSD/OS:*:*)
        echo sparc-unknown-bsdi${UNAME_RELEASE}
-       exit ;;
+       exit ;;
     *:BSD/OS:*:*)
        echo ${UNAME_MACHINE}-unknown-bsdi${UNAME_RELEASE}
-       exit ;;
+       exit ;;
     *:FreeBSD:*:*)
-       if test -x /usr/bin/objformat; then
-           if test "elf" = "`/usr/bin/objformat`"; then
-               echo ${UNAME_MACHINE}-unknown-freebsdelf`echo ${UNAME_RELEASE}|sed -e 's/[-_].*//'`
-               exit 0
-           fi
-       fi
-       echo ${UNAME_MACHINE}-unknown-freebsd`echo ${UNAME_RELEASE}|sed -e 's/[-(].*//'`
-       exit 0 ;;
-    *:NetBSD:*:*)
-       echo ${UNAME_MACHINE}-unknown-netbsd`echo ${UNAME_RELEASE}|sed -e 's/[-_].*/\./'`
-       exit 0 ;;
-    *:OpenBSD:*:*)
-       echo ${UNAME_MACHINE}-unknown-openbsd`echo ${UNAME_RELEASE}|sed -e 's/[-_].*/\./'`
-       exit 0 ;;
+       case ${UNAME_MACHINE} in
+           pc98)
+               echo i386-unknown-freebsd`echo ${UNAME_RELEASE}|sed -e 's/[-(].*//'` ;;
+           amd64)
+               echo x86_64-unknown-freebsd`echo ${UNAME_RELEASE}|sed -e 's/[-(].*//'` ;;
+           *)
+               echo ${UNAME_MACHINE}-unknown-freebsd`echo ${UNAME_RELEASE}|sed -e 's/[-(].*//'` ;;
+       esac
+       exit ;;
     i*:CYGWIN*:*)
        echo ${UNAME_MACHINE}-pc-cygwin
-       exit ;;
-    i*:MINGW*:*)
+       exit ;;
+    *:MINGW*:*)
        echo ${UNAME_MACHINE}-pc-mingw32
-       exit 0 ;;
+       exit ;;
+    i*:windows32*:*)
+       # uname -m includes "-pc" on this system.
+       echo ${UNAME_MACHINE}-mingw32
+       exit ;;
+    i*:PW*:*)
+       echo ${UNAME_MACHINE}-pc-pw32
+       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 ;;
+    [345]86:Windows_95:* | [345]86:Windows_98:* | [345]86:Windows_NT:*)
+       echo i${UNAME_MACHINE}-pc-mks
+       exit ;;
+    8664:Windows_NT:*)
+       echo x86_64-pc-mks
+       exit ;;
     i*:Windows_NT*:* | Pentium*:Windows_NT*:*)
        # How do we know it's Interix rather than the generic POSIX subsystem?
        # It also conflicts with pre-2.0 versions of AT&T UWIN. Should we
        # UNAME_MACHINE based on the output of uname instead of i386?
-       echo i386-pc-interix
-       exit ;;
+       echo i586-pc-interix
+       exit ;;
     i*:UWIN*:*)
        echo ${UNAME_MACHINE}-pc-uwin
-       exit 0 ;;
+       exit ;;
+    amd64:CYGWIN*:*:* | x86_64:CYGWIN*:*:*)
+       echo x86_64-unknown-cygwin
+       exit ;;
     p*:CYGWIN*:*)
        echo powerpcle-unknown-cygwin
-       exit ;;
+       exit ;;
     prep*:SunOS:5.*:*)
        echo powerpcle-unknown-solaris2`echo ${UNAME_RELEASE}|sed -e 's/[^.]*//'`
-       exit ;;
+       exit ;;
     *:GNU:*:*)
+       # the GNU system
        echo `echo ${UNAME_MACHINE}|sed -e 's,[-/].*$,,'`-unknown-gnu`echo ${UNAME_RELEASE}|sed -e 's,/.*$,,'`
-       exit 0 ;;
-    *:Linux:*:*)
-       # uname on the ARM produces all sorts of strangeness, and we need to
-       # filter it out.
-       case "$UNAME_MACHINE" in
-         armv*)                      UNAME_MACHINE=$UNAME_MACHINE ;;
-         arm* | sa110*)              UNAME_MACHINE="arm" ;;
-       esac
-
-       # 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_help_string=`cd /; ld --help 2>&1`
-       ld_supported_emulations=`echo $ld_help_string \
-                        | sed -ne '/supported emulations:/!d
-                                   s/[         ][      ]*/ /g
-                                   s/.*supported emulations: *//
-                                   s/ .*//
-                                   p'`
-        case "$ld_supported_emulations" in
-         i?86linux)  echo "${UNAME_MACHINE}-pc-linux-gnuaout"      ; exit 0 ;;
-         i?86coff)   echo "${UNAME_MACHINE}-pc-linux-gnucoff"      ; exit 0 ;;
-         sparclinux) echo "${UNAME_MACHINE}-unknown-linux-gnuaout" ; exit 0 ;;
-         armlinux)   echo "${UNAME_MACHINE}-unknown-linux-gnuaout" ; exit 0 ;;
-         m68klinux)  echo "${UNAME_MACHINE}-unknown-linux-gnuaout" ; exit 0 ;;
-         elf32ppc)
-               # Determine Lib Version
-               cat >$dummy.c <<EOF
-#include <features.h>
-#if defined(__GLIBC__)
-extern char __libc_version[];
-extern char __libc_release[];
-#endif
-main(argc, argv)
-     int argc;
-     char *argv[];
-{
-#if defined(__GLIBC__)
-  printf("%s %s\n", __libc_version, __libc_release);
-#else
-  printf("unkown\n");
-#endif
-  return 0;
-}
-EOF
-               LIBC=""
-               $CC_FOR_BUILD $dummy.c -o $dummy 2>/dev/null
-               if test "$?" = 0 ; then
-                       ./$dummy | grep 1\.99 > /dev/null
-                       if test "$?" = 0 ; then
-                               LIBC="libc1"
-                       fi
-               fi      
-               rm -f $dummy.c $dummy
-               echo powerpc-unknown-linux-gnu${LIBC} ; exit 0 ;;
-       esac
-
-       if test "${UNAME_MACHINE}" = "alpha" ; then
-               sed 's/^        //'  <<EOF >$dummy.s
-               .globl main
-               .ent main
-       main:
-               .frame \$30,0,\$26,0
-               .prologue 0
-               .long 0x47e03d80 # implver $0
-               lda \$2,259
-               .long 0x47e20c21 # amask $2,$1
-               srl \$1,8,\$2
-               sll \$2,2,\$2
-               sll \$0,3,\$0
-               addl \$1,\$0,\$0
-               addl \$2,\$0,\$0
-               ret \$31,(\$26),1
-               .end main
-EOF
-               LIBC=""
-               $CC_FOR_BUILD $dummy.s -o $dummy 2>/dev/null
-               if test "$?" = 0 ; then
-                       ./$dummy
-                       case "$?" in
-                       7)
-                               UNAME_MACHINE="alpha"
-                               ;;
-                       15)
-                               UNAME_MACHINE="alphaev5"
-                               ;;
-                       14)
-                               UNAME_MACHINE="alphaev56"
-                               ;;
-                       10)
-                               UNAME_MACHINE="alphapca56"
-                               ;;
-                       16)
-                               UNAME_MACHINE="alphaev6"
-                               ;;
-                       esac
-
-                       objdump --private-headers $dummy | \
-                         grep ld.so.1 > /dev/null
-                       if test "$?" = 0 ; then
-                               LIBC="libc1"
-                       fi
-               fi
-               rm -f $dummy.s $dummy
-               echo ${UNAME_MACHINE}-unknown-linux-gnu${LIBC} ; exit 0
-       elif test "${UNAME_MACHINE}" = "mips" ; then
-         cat >$dummy.c <<EOF
-#ifdef __cplusplus
-       int main (int argc, char *argv[]) {
-#else
-       int main (argc, argv) int argc; char *argv[]; {
-#endif
-#ifdef __MIPSEB__
-  printf ("%s-unknown-linux-gnu\n", argv[1]);
-#endif
-#ifdef __MIPSEL__
-  printf ("%sel-unknown-linux-gnu\n", argv[1]);
-#endif
-  return 0;
-}
-EOF
-         $CC_FOR_BUILD $dummy.c -o $dummy 2>/dev/null && ./$dummy "${UNAME_MACHINE}" && rm $dummy.c $dummy && exit 0
-         rm -f $dummy.c $dummy
+       exit ;;
+    *:GNU/*:*:*)
+       # other systems with GNU libc and userland
+       echo ${UNAME_MACHINE}-unknown-`echo ${UNAME_SYSTEM} | sed 's,^[^/]*/,,' | tr '[A-Z]' '[a-z]'``echo ${UNAME_RELEASE}|sed -e 's/[-(].*//'`-gnu
+       exit ;;
+    i*86:Minix:*:*)
+       echo ${UNAME_MACHINE}-pc-minix
+       exit ;;
+    alpha:Linux:*:*)
+       case `sed -n '/^cpu model/s/^.*: \(.*\)/\1/p' < /proc/cpuinfo` in
+         EV5)   UNAME_MACHINE=alphaev5 ;;
+         EV56)  UNAME_MACHINE=alphaev56 ;;
+         PCA56) UNAME_MACHINE=alphapca56 ;;
+         PCA57) UNAME_MACHINE=alphapca56 ;;
+         EV6)   UNAME_MACHINE=alphaev6 ;;
+         EV67)  UNAME_MACHINE=alphaev67 ;;
+         EV68*) UNAME_MACHINE=alphaev68 ;;
+        esac
+       objdump --private-headers /bin/sh | grep -q ld.so.1
+       if test "$?" = 0 ; then LIBC="libc1" ; else LIBC="" ; fi
+       echo ${UNAME_MACHINE}-unknown-linux-gnu${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 ${UNAME_MACHINE}-unknown-linux-gnu
        else
-         # Either a pre-BFD a.out linker (linux-gnuoldld)
-         # or one that does not give us useful --help.
-         # GCC wants to distinguish between linux-gnuoldld and linux-gnuaout.
-         # If ld does not provide *any* "supported emulations:"
-         # that means it is gnuoldld.
-         echo "$ld_help_string" | grep >/dev/null 2>&1 "supported emulations:"
-         test $? != 0 && echo "${UNAME_MACHINE}-pc-linux-gnuoldld" && exit 0
-
-         case "${UNAME_MACHINE}" in
-         i?86)
-           VENDOR=pc;
-           ;;
-         *)
-           VENDOR=unknown;
-           ;;
-         esac
-         # Determine whether the default compiler is a.out or elf
-         cat >$dummy.c <<EOF
-#include <features.h>
-#ifdef __cplusplus
-       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-${VENDOR}-linux-gnu\n", argv[1]);
-#  else
-    printf ("%s-${VENDOR}-linux-gnulibc1\n", argv[1]);
-#  endif
-# else
-   printf ("%s-${VENDOR}-linux-gnulibc1\n", argv[1]);
-# endif
-#else
-  printf ("%s-${VENDOR}-linux-gnuaout\n", argv[1]);
-#endif
-  return 0;
-}
+           echo ${UNAME_MACHINE}-unknown-linux-gnueabi
+       fi
+       exit ;;
+    avr32*:Linux:*:*)
+       echo ${UNAME_MACHINE}-unknown-linux-gnu
+       exit ;;
+    cris:Linux:*:*)
+       echo cris-axis-linux-gnu
+       exit ;;
+    crisv32:Linux:*:*)
+       echo crisv32-axis-linux-gnu
+       exit ;;
+    frv:Linux:*:*)
+       echo frv-unknown-linux-gnu
+       exit ;;
+    i*86:Linux:*:*)
+       LIBC=gnu
+       eval $set_cc_for_build
+       sed 's/^        //' << EOF >$dummy.c
+       #ifdef __dietlibc__
+       LIBC=dietlibc
+       #endif
+EOF
+       eval `$CC_FOR_BUILD -E $dummy.c 2>/dev/null | grep '^LIBC'`
+       echo "${UNAME_MACHINE}-pc-linux-${LIBC}"
+       exit ;;
+    ia64:Linux:*:*)
+       echo ${UNAME_MACHINE}-unknown-linux-gnu
+       exit ;;
+    m32r*:Linux:*:*)
+       echo ${UNAME_MACHINE}-unknown-linux-gnu
+       exit ;;
+    m68*:Linux:*:*)
+       echo ${UNAME_MACHINE}-unknown-linux-gnu
+       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
-         $CC_FOR_BUILD $dummy.c -o $dummy 2>/dev/null && ./$dummy "${UNAME_MACHINE}" && rm $dummy.c $dummy && exit 0
-         rm -f $dummy.c $dummy
-       fi ;;
-# ptx 4.0 does uname -s correctly, with DYNIX/ptx in there.  earlier versions
-# are messed up and put the nodename in both sysname and nodename.
-    i?86:DYNIX/ptx:4*:*)
+       eval `$CC_FOR_BUILD -E $dummy.c 2>/dev/null | grep '^CPU'`
+       test x"${CPU}" != x && { echo "${CPU}-unknown-linux-gnu"; exit; }
+       ;;
+    or32:Linux:*:*)
+       echo or32-unknown-linux-gnu
+       exit ;;
+    padre:Linux:*:*)
+       echo sparc-unknown-linux-gnu
+       exit ;;
+    parisc64:Linux:*:* | hppa64:Linux:*:*)
+       echo hppa64-unknown-linux-gnu
+       exit ;;
+    parisc:Linux:*:* | hppa:Linux:*:*)
+       # Look for CPU level
+       case `grep '^cpu[^a-z]*:' /proc/cpuinfo 2>/dev/null | cut -d' ' -f2` in
+         PA7*) echo hppa1.1-unknown-linux-gnu ;;
+         PA8*) echo hppa2.0-unknown-linux-gnu ;;
+         *)    echo hppa-unknown-linux-gnu ;;
+       esac
+       exit ;;
+    ppc64:Linux:*:*)
+       echo powerpc64-unknown-linux-gnu
+       exit ;;
+    ppc:Linux:*:*)
+       echo powerpc-unknown-linux-gnu
+       exit ;;
+    s390:Linux:*:* | s390x:Linux:*:*)
+       echo ${UNAME_MACHINE}-ibm-linux
+       exit ;;
+    sh64*:Linux:*:*)
+       echo ${UNAME_MACHINE}-unknown-linux-gnu
+       exit ;;
+    sh*:Linux:*:*)
+       echo ${UNAME_MACHINE}-unknown-linux-gnu
+       exit ;;
+    sparc:Linux:*:* | sparc64:Linux:*:*)
+       echo ${UNAME_MACHINE}-unknown-linux-gnu
+       exit ;;
+    tile*:Linux:*:*)
+       echo ${UNAME_MACHINE}-tilera-linux-gnu
+       exit ;;
+    vax:Linux:*:*)
+       echo ${UNAME_MACHINE}-dec-linux-gnu
+       exit ;;
+    x86_64:Linux:*:*)
+       echo x86_64-unknown-linux-gnu
+       exit ;;
+    xtensa*:Linux:*:*)
+       echo ${UNAME_MACHINE}-unknown-linux-gnu
+       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
-       exit ;;
-    i?86:UNIX_SV:4.2MP:2.*)
+       exit ;;
+    i*86:UNIX_SV:4.2MP:2.*)
         # Unixware is an offshoot of SVR4, but it has its own version
         # number series starting with 2...
         # I am not positive that other SVR4 systems won't match this,
        # I just have to hope.  -- rms.
         # Use sysv4.2uw... so that sysv4* matches it.
        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.*:* | i*86:SYSTEM_V:4.*:*)
+       UNAME_REL=`echo ${UNAME_RELEASE} | sed 's/\/MP$//'`
        if grep Novell /usr/include/link.h >/dev/null 2>/dev/null; then
-               echo ${UNAME_MACHINE}-univel-sysv${UNAME_RELEASE}
+               echo ${UNAME_MACHINE}-univel-sysv${UNAME_REL}
        else
-               echo ${UNAME_MACHINE}-pc-sysv${UNAME_RELEASE}
+               echo ${UNAME_MACHINE}-pc-sysv${UNAME_REL}
        fi
-       exit 0 ;;
-    i?86:*:5:7*)
-       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_MACHINE=i586
-       (/bin/uname -X|egrep '^Machine.*Pent.*II' >/dev/null) && UNAME_MACHINE=i686
-       (/bin/uname -X|egrep '^Machine.*Pentium Pro' >/dev/null) && UNAME_MACHINE=i585
-       echo ${UNAME_MACHINE}-${UNAME_SYSTEM}${UNAME_VERSION}-sysv${UNAME_RELEASE}
-       exit 0 ;;
-    i?86:*:3.2:*)
+       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}
+       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
-               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
-               (/bin/uname -X|egrep '^Machine.*Pent ?II' >/dev/null) \
+               (/bin/uname -X|grep '^Machine.*Pent *II' >/dev/null) \
                        && 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 ${UNAME_MACHINE}-pc-sysv32
        fi
-       exit ;;
+       exit ;;
     pc:*:*:*)
+       # Left here for compatibility:
         # uname -m prints for DJGPP always 'pc', but it prints nothing about
-        # the processor, so we play safe by assuming i386.
-       echo i386-pc-msdosdjgpp
-        exit 0 ;;
+        # the processor, so we play safe by assuming i586.
+       # Note: whatever this is, it MUST be the same as what config.sub
+       # prints for the "djgpp" host, or else GDB configury will decide that
+       # this is a cross-build.
+       echo i586-pc-msdosdjgpp
+        exit ;;
     Intel:Mach:3*:*)
        echo i386-pc-mach3
-       exit ;;
+       exit ;;
     paragon:*:*:*)
        echo i860-intel-osf1
-       exit ;;
+       exit ;;
     i860:*:4.*:*) # i860-SVR4
        if grep Stardent /usr/include/sys/uadmin.h >/dev/null 2>&1 ; then
          echo i860-stardent-sysv${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
-       exit ;;
+       exit ;;
     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]??,*:*: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 \
-         && 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 \
-         && 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:*)
         /bin/uname -p 2>/dev/null | grep 86 >/dev/null \
-          && echo i486-ncr-sysv4 && exit 0 ;;
-    m68*:LynxOS:2.*:*)
+          && { 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}
-       exit ;;
+       exit ;;
     mc68030:UNIX_System_V:4.*:*)
        echo m68k-atari-sysv4
-       exit 0 ;;
-    i?86:LynxOS:2.*:* | i?86:LynxOS:3.[01]*:*)
-       echo i386-unknown-lynxos${UNAME_RELEASE}
-       exit 0 ;;
+       exit ;;
     TSUNAMI:LynxOS:2.*:*)
        echo sparc-unknown-lynxos${UNAME_RELEASE}
-       exit ;;
-    rs6000:LynxOS:2.*:* | PowerPC:LynxOS:2.*:*)
+       exit ;;
+    rs6000:LynxOS:2.*:*)
        echo rs6000-unknown-lynxos${UNAME_RELEASE}
-       exit 0 ;;
+       exit ;;
+    PowerPC:LynxOS:2.*:* | PowerPC:LynxOS:3.[01]*:* | PowerPC:LynxOS:4.[02]*:*)
+       echo powerpc-unknown-lynxos${UNAME_RELEASE}
+       exit ;;
     SM[BE]S:UNIX_SV:*:*)
        echo mips-dde-sysv${UNAME_RELEASE}
-       exit ;;
+       exit ;;
     RM*:ReliantUNIX-*:*:*)
        echo mips-sni-sysv4
-       exit ;;
+       exit ;;
     RM*:SINIX-*:*:*)
        echo mips-sni-sysv4
-       exit ;;
+       exit ;;
     *:SINIX-*:*:*)
        if uname -p 2>/dev/null >/dev/null ; then
                UNAME_MACHINE=`(uname -p) 2>/dev/null`
@@ -895,59 +1135,183 @@ EOF
        else
                echo ns32k-sni-sysv
        fi
-       exit ;;
-    PENTIUM:CPunix:4.0*:*) # Unisys `ClearPath HMP IX 4000' SVR4/MP effort
-                           # says <Richard.M.Bartel@ccMail.Census.GOV>
+       exit ;;
+    PENTIUM:*:4.0*:*) # Unisys `ClearPath HMP IX 4000' SVR4/MP effort
+                      # says <Richard.M.Bartel@ccMail.Census.GOV>
         echo i586-unisys-sysv4
-        exit ;;
+        exit ;;
     *:UNIX_System_V:4*:FTX*)
        # From Gerald Hewes <hewes@openmarket.com>.
        # How about differentiating between stratus architectures? -djm
        echo hppa1.1-stratus-sysv4
-       exit ;;
+       exit ;;
     *:*:*:FTX*)
        # From seanf@swdc.stratus.com.
        echo i860-stratus-sysv4
-       exit 0 ;;
+       exit ;;
+    i*86:VOS:*:*)
+       # From Paul.Green@stratus.com.
+       echo ${UNAME_MACHINE}-stratus-vos
+       exit ;;
+    *:VOS:*:*)
+       # From Paul.Green@stratus.com.
+       echo hppa1.1-stratus-vos
+       exit ;;
     mc68*:A/UX:*:*)
        echo m68k-apple-aux${UNAME_RELEASE}
-       exit ;;
-    news*:NEWS-OS:*:6*)
+       exit ;;
+    news*:NEWS-OS:6*:*)
        echo mips-sony-newsos6
-       exit ;;
+       exit ;;
     R[34]000:*System_V*:*:* | R4000:UNIX_SYSV:*:* | R*000:UNIX_SV:*:*)
        if [ -d /usr/nec ]; then
                echo mips-nec-sysv${UNAME_RELEASE}
        else
                echo mips-unknown-sysv${UNAME_RELEASE}
        fi
-        exit ;;
+        exit ;;
     BeBox:BeOS:*:*)    # BeOS running on hardware made by Be, PPC only.
        echo powerpc-be-beos
-       exit ;;
+       exit ;;
     BeMac:BeOS:*:*)    # BeOS running on Mac or Mac clone, PPC only.
        echo powerpc-apple-beos
-       exit ;;
+       exit ;;
     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 ;;
     SX-4:SUPER-UX:*:*)
        echo sx4-nec-superux${UNAME_RELEASE}
-       exit ;;
+       exit ;;
     SX-5:SUPER-UX:*:*)
        echo sx5-nec-superux${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 ;;
     Power*:Rhapsody:*:*)
        echo powerpc-apple-rhapsody${UNAME_RELEASE}
-       exit ;;
+       exit ;;
     *:Rhapsody:*:*)
        echo ${UNAME_MACHINE}-apple-rhapsody${UNAME_RELEASE}
-       exit 0 ;;
+       exit ;;
+    *:Darwin:*:*)
+       UNAME_PROCESSOR=`uname -p` || UNAME_PROCESSOR=unknown
+       case $UNAME_PROCESSOR in
+           i386)
+               eval $set_cc_for_build
+               if [ "$CC_FOR_BUILD" != 'no_compiler_found' ]; then
+                 if (echo '#ifdef __LP64__'; echo IS_64BIT_ARCH; echo '#endif') | \
+                     (CCOPTS= $CC_FOR_BUILD -E - 2>/dev/null) | \
+                     grep IS_64BIT_ARCH >/dev/null
+                 then
+                     UNAME_PROCESSOR="x86_64"
+                 fi
+               fi ;;
+           unknown) UNAME_PROCESSOR=powerpc ;;
+       esac
+       echo ${UNAME_PROCESSOR}-apple-darwin${UNAME_RELEASE}
+       exit ;;
+    *:procnto*:*:* | *:QNX:[0123456789]*:*)
+       UNAME_PROCESSOR=`uname -p`
+       if test "$UNAME_PROCESSOR" = "x86"; then
+               UNAME_PROCESSOR=i386
+               UNAME_MACHINE=pc
+       fi
+       echo ${UNAME_PROCESSOR}-${UNAME_MACHINE}-nto-qnx${UNAME_RELEASE}
+       exit ;;
+    *:QNX:*:4*)
+       echo i386-pc-qnx
+       exit ;;
+    NEO-?:NONSTOP_KERNEL:*:*)
+       echo neo-tandem-nsk${UNAME_RELEASE}
+       exit ;;
+    NSE-?:NONSTOP_KERNEL:*:*)
+       echo nse-tandem-nsk${UNAME_RELEASE}
+       exit ;;
+    NSR-?:NONSTOP_KERNEL:*:*)
+       echo nsr-tandem-nsk${UNAME_RELEASE}
+       exit ;;
+    *:NonStop-UX:*:*)
+       echo mips-compaq-nonstopux
+       exit ;;
+    BS2000:POSIX*:*:*)
+       echo bs2000-siemens-sysv
+       exit ;;
+    DS/*:UNIX_System_V:*:*)
+       echo ${UNAME_MACHINE}-${UNAME_SYSTEM}-${UNAME_RELEASE}
+       exit ;;
+    *:Plan9:*:*)
+       # "uname -m" is not consistent, so use $cputype instead. 386
+       # is converted to i386 for consistency with other x86
+       # operating systems.
+       if test "$cputype" = "386"; then
+           UNAME_MACHINE=i386
+       else
+           UNAME_MACHINE="$cputype"
+       fi
+       echo ${UNAME_MACHINE}-unknown-plan9
+       exit ;;
+    *:TOPS-10:*:*)
+       echo pdp10-unknown-tops10
+       exit ;;
+    *:TENEX:*:*)
+       echo pdp10-unknown-tenex
+       exit ;;
+    KS10:TOPS-20:*:* | KL10:TOPS-20:*:* | TYPE4:TOPS-20:*:*)
+       echo pdp10-dec-tops20
+       exit ;;
+    XKL-1:TOPS-20:*:* | TYPE5:TOPS-20:*:*)
+       echo pdp10-xkl-tops20
+       exit ;;
+    *:TOPS-20:*:*)
+       echo pdp10-unknown-tops20
+       exit ;;
+    *:ITS:*:*)
+       echo pdp10-unknown-its
+       exit ;;
+    SEI:*:*:SEIUX)
+        echo mips-sei-seiux${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 ;;
 esac
 
 #echo '(No uname command or uname output not recognized.)' 1>&2
 #echo "${UNAME_MACHINE}:${UNAME_SYSTEM}:${UNAME_RELEASE}:${UNAME_VERSION}" 1>&2
 
+eval $set_cc_for_build
 cat >$dummy.c <<EOF
 #ifdef _SEQUENT_
 # include <sys/types.h>
@@ -973,7 +1337,7 @@ main ()
 #endif
 
 #if defined (__arm) && defined (__acorn) && defined (__unix)
-  printf ("arm-acorn-riscix"); exit (0);
+  printf ("arm-acorn-riscix\n"); exit (0);
 #endif
 
 #if defined (hp300) && !defined (hpux)
@@ -1034,11 +1398,24 @@ main ()
 #endif
 
 #if defined (vax)
-#if !defined (ultrix)
-  printf ("vax-dec-bsd\n"); exit (0);
-#else
-  printf ("vax-dec-ultrix\n"); exit (0);
-#endif
+# if !defined (ultrix)
+#  include <sys/param.h>
+#  if defined (BSD)
+#   if BSD == 43
+      printf ("vax-dec-bsd4.3\n"); exit (0);
+#   else
+#    if BSD == 199006
+      printf ("vax-dec-bsd4.3reno\n"); exit (0);
+#    else
+      printf ("vax-dec-bsd\n"); exit (0);
+#    endif
+#   endif
+#  else
+    printf ("vax-dec-bsd\n"); exit (0);
+#  endif
+# else
+    printf ("vax-dec-ultrix\n"); exit (0);
+# endif
 #endif
 
 #if defined (alliant) && defined (i860)
@@ -1049,12 +1426,12 @@ main ()
 }
 EOF
 
-$CC_FOR_BUILD $dummy.c -o $dummy 2>/dev/null && ./$dummy && rm $dummy.c $dummy && exit 0
-rm -f $dummy.c $dummy
+$CC_FOR_BUILD -o $dummy $dummy.c 2>/dev/null && SYSTEM_NAME=`$dummy` &&
+       { echo "$SYSTEM_NAME"; exit; }
 
 # Apollos put the system type in the environment.
 
-test -d /usr/apollo && { echo ${ISP}-apollo-${SYSTYPE}; exit 0; }
+test -d /usr/apollo && { echo ${ISP}-apollo-${SYSTYPE}; exit; }
 
 # Convex versions that predate uname can use getsysinfo(1)
 
@@ -1063,25 +1440,69 @@ then
     case `getsysinfo -f cpu_type` in
     c1*)
        echo c1-convex-bsd
-       exit ;;
+       exit ;;
     c2*)
        if getsysinfo -f scalar_acc
        then echo c32-convex-bsd
        else echo c2-convex-bsd
        fi
-       exit ;;
+       exit ;;
     c34*)
        echo c34-convex-bsd
-       exit ;;
+       exit ;;
     c38*)
        echo c38-convex-bsd
-       exit ;;
+       exit ;;
     c4*)
        echo c4-convex-bsd
-       exit ;;
+       exit ;;
     esac
 fi
 
-#echo '(Unable to guess system type)' 1>&2
+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
+
+  http://git.savannah.gnu.org/gitweb/?p=config.git;a=blob_plain;f=config.guess;hb=HEAD
+and
+  http://git.savannah.gnu.org/gitweb/?p=config.git;a=blob_plain;f=config.sub;hb=HEAD
+
+If the version you run ($0) is already up to date, please
+send the following data and any information you think might be
+pertinent to <config-patches@gnu.org> in order to provide the needed
+information to handle your system.
+
+config.guess timestamp = $timestamp
+
+uname -m = `(uname -m) 2>/dev/null || echo unknown`
+uname -r = `(uname -r) 2>/dev/null || echo unknown`
+uname -s = `(uname -s) 2>/dev/null || echo unknown`
+uname -v = `(uname -v) 2>/dev/null || echo unknown`
+
+/usr/bin/uname -p = `(/usr/bin/uname -p) 2>/dev/null`
+/bin/uname -X     = `(/bin/uname -X) 2>/dev/null`
+
+hostinfo               = `(hostinfo) 2>/dev/null`
+/bin/universe          = `(/bin/universe) 2>/dev/null`
+/usr/bin/arch -k       = `(/usr/bin/arch -k) 2>/dev/null`
+/bin/arch              = `(/bin/arch) 2>/dev/null`
+/usr/bin/oslevel       = `(/usr/bin/oslevel) 2>/dev/null`
+/usr/convex/getsysinfo = `(/usr/convex/getsysinfo) 2>/dev/null`
+
+UNAME_MACHINE = ${UNAME_MACHINE}
+UNAME_RELEASE = ${UNAME_RELEASE}
+UNAME_SYSTEM  = ${UNAME_SYSTEM}
+UNAME_VERSION = ${UNAME_VERSION}
+EOF
 
 exit 1
+
+# Local variables:
+# eval: (add-hook 'write-file-hooks 'time-stamp)
+# time-stamp-start: "timestamp='"
+# time-stamp-format: "%:y-%02m-%02d"
+# time-stamp-end: "'"
+# End: