Clone src/config.guess. Mention in MAINTAINERS.

1 files changed, 591 insertions, 551 deletions

diff --git a/readline/support/config.guess b/readline/support/config.guess
index ad5983e..71de137 100755
--- a/readline/support/config.guess
+++ b/readline/support/config.guess
@@ -1,7 +1,10 @@
 #! /bin/sh
 # Attempt to guess a canonical system name.
-#   Copyright (C) 1992, 1993, 1994, 1995, 1996 Free Software Foundation, Inc.
-#
+#   Copyright (C) 1992, 1993, 1994, 1995, 1996, 1997, 1998, 1999, 2000, 2001
+#   Free Software Foundation, Inc.
+
+timestamp='2001-03-16'
+
 # 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
@@ -22,153 +25,152 @@
 # 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 <config-patches@gnu.org>.
 #
 # 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).
-#
-
-# 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
+# don't specify an explicit build system type.
+
+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 ($timestamp)
+
+Originally written by Per Bothner.
+Copyright (C) 1992, 93, 94, 95, 96, 97, 98, 99, 2000
+Free Software Foundation, Inc.
+
+This is free software; see the source for copying conditions.  There is NO
+warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE."
+
+help="
+Try \`$me --help' for more information."
+
+# Parse command line
+while test $# -gt 0 ; do
+  case $1 in
+    --time-stamp | --time* | -t )
+       echo "$timestamp" ; exit 0 ;;
+    --version | -v )
+       echo "$version" ; exit 0 ;;
+    --help | --h* | -h )
+       echo "$usage"; exit 0 ;;
+    -- )     # 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
 
+
+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.
+# Historically, `CC_FOR_BUILD' used to be named `HOST_CC'. We still
+# use `HOST_CC' if defined, but it is deprecated.
+
+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 $? = 0 ; then
+	     CC_FOR_BUILD="$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 ;;
+esac
+
 # This is needed to find uname on a Pyramid OSx when run in the BSD universe.
 # (ghazi@noc.rutgers.edu 8/24/94.)
 if (test -f /.attbin/uname) >/dev/null 2>&1 ; then
 	PATH=$PATH:/.attbin ; export PATH
-elif (test -f /usr/5bin/uname) >/dev/null 2>&1 ; then
-	PATH=$PATH:/usr/5bin
 fi
 
-UNAME=`(uname) 2>/dev/null` || UNAME=unknown
 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
 
-RELEASE=`expr "$UNAME_RELEASE" : '[^0-9]*\([0-9]*\)'` # 4
-case "$RELEASE" in
-"")	RELEASE=0 ;;
-*)	RELEASE=`expr "$RELEASE" + 0` ;;
-esac
-REL_LEVEL=`expr "$UNAME_RELEASE" : '[^0-9]*[0-9]*.\([0-9]*\)'`    # 1
-REL_SUBLEVEL=`expr "$UNAME_RELEASE" : '[^0-9]*[0-9]*.[0-9]*.\([0-9]*\)'` # 2
-
-dummy=dummy-$$
-trap 'rm -f $dummy.c $dummy.o $dummy; exit 1' 1 2 15
-
-# Some versions of i386 SVR4.2 make `uname' equivalent to `uname -n', which
-# is contrary to all other versions of uname
-if [ -n "$UNAME" ] && [ "$UNAME_S" != "$UNAME" ] && [ "$UNAME_S" = UNIX_SV ]; then
-	UNAME=UNIX_SV
-fi
-
 # Note: order is significant - the case branches are not exclusive.
 
 case "${UNAME_MACHINE}:${UNAME_SYSTEM}:${UNAME_RELEASE}:${UNAME_VERSION}" in
-    # Begin cases added for Bash
-    alpha:NetBSD:*:*)
-	echo alpha-dec-netbsd${UNAME_RELEASE}
-	exit 0 ;;
-    alpha:OpenBSD:*:*)
-	echo alpha-dec-openbsd${UNAME_RELEASE}
-	exit 0 ;;
-    i?86:NetBSD:*:*)
-	echo ${UNAME_MACHINE}-pc-netbsd`echo ${UNAME_RELEASE}|sed -e 's/[-_].*/\./'`
-	exit 0 ;;
-    i?86:OpenBSD:*:*)
-	echo ${UNAME_MACHINE}-pc-openbsd`echo ${UNAME_RELEASE}|sed -e 's/[-_].*/\./'`
-	exit 0 ;;
-    sparc:NetBSD:*:*)
-	echo sparc-unknown-netbsd${UNAME_RELEASE}
-	exit 0 ;;
-    sparc:OpenBSD:*:*)
-	echo sparc-unknown-openbsd${UNAME_RELEASE}
-	exit 0 ;;
-    vax:NetBSD:*:*)
-	echo vax-dec-netbsd${UNAME_RELEASE}
-	exit 0 ;;
-    vax:OpenBSD:*:*)
-	echo vax-dec-openbsd${UNAME_RELEASE}
-	exit 0 ;;
-    mac68k:machten:*:*)
-	echo mac68k-apple-machten${UNAME_RELEASE}
-	exit 0 ;;
-    concurrent*:*:*:*)
-	if test "`(/bin/universe) 2>/dev/null`" = att ; then
-		echo concurrent-concurrent-sysv3
-	else
-		echo concurrent-concurrent-bsd
-	fi
-	exit 0 ;;
-    ppc*:SunOS:5.*:*)
-	echo ppc-sun-solaris2`echo ${UNAME_RELEASE}|sed -e 's/[^.]*//'`
-	exit 0 ;;
-    sparc:UNIX_SV:4.*:*)
-	echo sparc-unknown-sysv${UNAME_RELEASE}
-	exit 0 ;;
-    mips:UNIX_SV:4.*:*)
-	echo mips-mips-sysv${UNAME_RELEASE}
-	exit 0 ;;
-    mips:OSF*1:*:*)
-	echo mips-mips-osf1
-	exit 0 ;;
-    mips:4.4BSD:*:*)
-	echo mips-mips-bsd4.4
-	exit 0 ;;
-    MIServer-S:SMP_DC.OSx:*:dcosx)
-	echo mips-pyramid-sysv4
-	exit 0 ;;
-    news*:NEWS*:*:*)
-	echo mips-sony-newsos${UNAME_RELEASE}
-	exit 0 ;;
-    i?86:NEXTSTEP:*:*)
-	echo i386-next-nextstep${RELEASE}
-	exit 0 ;;
-    *680?0:NEXTSTEP:*:*)
-	echo m68k-next-nextstep${RELEASE}
-	exit 0 ;;    
-    *370:AIX:*:*)
-	echo ibm370-ibm-aix
-	exit 0 ;;
-    ksr1:OSF*1:*:*)
-	echo ksr1-ksr-osf1
-	exit 0 ;;
-    esa:OSF*1:*:* | ESA:OSF*:*:*)
-	echo esa-ibm-osf1
-	exit 0 ;;
-    DNP*:DNIX:*:*)
-	echo m68k-dnix-sysv
-	exit 0 ;;
-    *3b2*:*:*:*)
-	echo we32k-att-sysv3
-	exit 0 ;;
-    *:QNX:*:42*)
-	echo i386-qssl-qnx`echo ${UNAME_VERSION}`
-	exit 0 ;;
-    Alpha*:Windows:NT:*:SP*)
-	echo alpha-pc-opennt
-	exit 0 ;;
-    *:Windows:NT:*:SP*)
-	echo intel-pc-opennt
+    *:NetBSD:*:*)
+	# Netbsd (nbsd) targets should (where applicable) match one or
+	# more of the tupples: *-*-netbsdelf*, *-*-netbsdaout*,
+	# *-*-netbsdecoff* and *-*-netbsd*.  For targets that recently
+	# switched to ELF, *-*-netbsd* would select the old
+	# object file format.  This provides both forward
+	# compatibility and a consistent mechanism for selecting the
+	# object file format.
+	# Determine the machine/vendor (is the vendor relevant).
+	case "${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=${UNAME_MACHINE}-unknown ;;
+	esac
+	# The Operating System including object format, if it has switched
+	# to ELF recently, or will in the future.
+	case "${UNAME_MACHINE}" in
+	    i386|sparc|amiga|arm*|hp300|mvme68k|vax|atari|luna68k|mac68k|news68k|next68k|pc532|sun3*|x68k)
+		if echo __ELF__ | $CC_FOR_BUILD -E - 2>/dev/null \
+			| grep __ELF__ >/dev/null
+		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
+	release=`echo ${UNAME_RELEASE}|sed -e 's/[-_].*/\./'`
+	# Since CPU_TYPE-MANUFACTURER-KERNEL-OPERATING_SYSTEM:
+	# contains redundant information, the shorter form:
+	# CPU_TYPE-MANUFACTURER-OPERATING_SYSTEM is used.
+	echo "${machine}-${os}${release}"
 	exit 0 ;;
-    # end cases added for Bash
     alpha:OSF1:*:*)
 	if test $UNAME_RELEASE = "V4.0"; then
 		UNAME_RELEASE=`/usr/sbin/sizer -v | awk '{print $3}'`
@@ -178,63 +180,70 @@ case "${UNAME_MACHINE}:${UNAME_SYSTEM}:${UNAME_RELEASE}:${UNAME_VERSION}" in
 	# A Xn.n version is an unreleased experimental baselevel.
 	# 1.2 uses "1.2" for uname -r.
 	cat <<EOF >$dummy.s
+	.data
+\$Lformat:
+	.byte 37,100,45,37,120,10,0	# "%d-%x\n"
+
+	.text
 	.globl main
+	.align 4
 	.ent main
 main:
-	.frame \$30,0,\$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
+	.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
 	$CC_FOR_BUILD $dummy.s -o $dummy 2>/dev/null
 	if test "$?" = 0 ; then
-		./$dummy
-		case "$?" in
-			7)
+		case `./$dummy` in
+			0-0)
 				UNAME_MACHINE="alpha"
 				;;
-			15)
+			1-0)
 				UNAME_MACHINE="alphaev5"
 				;;
-			14)
+			1-1)
 				UNAME_MACHINE="alphaev56"
 				;;
-			10)
+			1-101)
 				UNAME_MACHINE="alphapca56"
 				;;
-			16)
+			2-303)
 				UNAME_MACHINE="alphaev6"
 				;;
+			2-307)
+				UNAME_MACHINE="alphaev67"
+				;;
 		esac
 	fi
 	rm -f $dummy.s $dummy
 	echo ${UNAME_MACHINE}-dec-osf`echo ${UNAME_RELEASE} | sed -e 's/^[VTX]//' | tr 'ABCDEFGHIJKLMNOPQRSTUVWXYZ' 'abcdefghijklmnopqrstuvwxyz'`
 	exit 0 ;;
     Alpha\ *:Windows_NT*:*)
-        # How do we know it's Interix rather than the generic POSIX subsystem?
-        # Should we change UNAME_MACHINE based on the output of uname instead
-        # of the specific Alpha model?
-        echo alpha-pc-interix
-        exit 0 ;;
+	# How do we know it's Interix rather than the generic POSIX subsystem?
+	# Should we change UNAME_MACHINE based on the output of uname instead
+	# of the specific Alpha model?
+	echo alpha-pc-interix
+	exit 0 ;;
     21064:Windows_NT:50:3)
 	echo alpha-dec-winnt3.5
 	exit 0 ;;
     Amiga*:UNIX_System_V:4.0:*)
-	echo m68k-cbm-sysv4
+	echo m68k-unknown-sysv4
 	exit 0;;
-    amiga:NetBSD:*:*)
-	echo m68k-cbm-netbsd${UNAME_RELEASE}
-	exit 0 ;;
     amiga:OpenBSD:*:*)
-	echo m68k-cbm-openbsd${UNAME_RELEASE}
+	echo m68k-unknown-openbsd${UNAME_RELEASE}
 	exit 0 ;;
     *:[Aa]miga[Oo][Ss]:*:*)
 	echo ${UNAME_MACHINE}-unknown-amigaos
@@ -257,13 +266,13 @@ EOF
     wgrisc:OpenBSD:*:*)
 	echo mipsel-unknown-openbsd${UNAME_RELEASE}
 	exit 0 ;;
+    *:OS/390:*:*)
+	echo i370-ibm-openedition
+	exit 0 ;;
     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 0 ;;
-    SR2?01:HI-UX/MPP:*:*)
+    SR2?01:HI-UX/MPP:*:* | SR8000:HI-UX/MPP:*:*)
 	echo hppa1.1-hitachi-hiuxmpp
 	exit 0;;
     Pyramid*:OSx*:*:* | MIS*:OSx*:*:* | MIS*:SMP_DC-OSx*:*:*)
@@ -274,12 +283,12 @@ EOF
 		echo pyramid-pyramid-bsd
 	fi
 	exit 0 ;;
-    NILE:*:*:*:dcosx)
+    NILE*:*:*:dcosx)
 	echo pyramid-pyramid-svr4
 	exit 0 ;;
     sun4H:SunOS:5.*:*)
-        echo sparc-hal-solaris2`echo ${UNAME_RELEASE}|sed -e 's/[^.]*//'`
-        exit 0 ;;
+	echo sparc-hal-solaris2`echo ${UNAME_RELEASE}|sed -e 's/[^.]*//'`
+	exit 0 ;;
     sun4*:SunOS:5.*:* | tadpole*:SunOS:5.*:*)
 	echo sparc-sun-solaris2`echo ${UNAME_RELEASE}|sed -e 's/[^.]*//'`
 	exit 0 ;;
@@ -319,29 +328,26 @@ EOF
     aushp:SunOS:*:*)
 	echo sparc-auspex-sunos${UNAME_RELEASE}
 	exit 0 ;;
-    atari*:NetBSD:*:*)
-	echo m68k-atari-netbsd${UNAME_RELEASE}
-	exit 0 ;;
     atari*:OpenBSD:*:*)
 	echo m68k-unknown-openbsd${UNAME_RELEASE}
 	exit 0 ;;
     # 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
     # 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 0 ;;
     atari*:*MiNT:*:* | atari*:*mint:*:* | atarist[e]:*TOS:*:*)
-       echo m68k-atari-mint${UNAME_RELEASE}
-       exit 0 ;;
+	echo m68k-atari-mint${UNAME_RELEASE}
+        exit 0 ;;
     *falcon*:*MiNT:*:* | *falcon*:*mint:*:* | *falcon*:*TOS:*:*)
-       echo m68k-atari-mint${UNAME_RELEASE}
-       exit 0 ;;
+        echo m68k-atari-mint${UNAME_RELEASE}
+	exit 0 ;;
     milan*:*MiNT:*:* | milan*:*mint:*:* | *milan*:*TOS:*:*)
         echo m68k-milan-mint${UNAME_RELEASE}
         exit 0 ;;
@@ -351,15 +357,9 @@ EOF
     *:*MiNT:*:* | *:*mint:*:* | *:*TOS:*:*)
         echo m68k-unknown-mint${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 ;;
@@ -369,15 +369,9 @@ EOF
     mvme88k:OpenBSD:*:*)
 	echo m88k-unknown-openbsd${UNAME_RELEASE}
 	exit 0 ;;
-    *:"Mac OS":*:*)
-	echo `uname -p`-apple-macos${UNAME_RELEASE}
-	exit 0 ;;
     powerpc:machten:*:*)
 	echo powerpc-apple-machten${UNAME_RELEASE}
 	exit 0 ;;
-    macppc:NetBSD:*:*)
-        echo powerpc-apple-netbsd${UNAME_RELEASE}
-        exit 0 ;;
     RISC*:Mach:*:*)
 	echo mips-dec-mach_bsd4.3
 	exit 0 ;;
@@ -393,6 +387,7 @@ EOF
     mips:*:*:UMIPS | mips:*:*:RISCos)
 	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[]; {
@@ -413,7 +408,7 @@ EOF
 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 && exit 0
 	rm -f $dummy.c $dummy
 	echo mips-mips-riscos${UNAME_RELEASE}
 	exit 0 ;;
@@ -430,17 +425,19 @@ EOF
 	echo m88k-motorola-sysv3
 	exit 0 ;;
     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
+        # 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 ] || \
+	       [ ${TARGET_BINARY_INTERFACE}x = x ]
+	    then
 		echo m88k-dg-dgux${UNAME_RELEASE}
-	  else
+	    else
 		echo m88k-dg-dguxbcs${UNAME_RELEASE}
-	  fi
+	    fi
 	else
-	  echo i586-dg-dgux${UNAME_RELEASE}
+	    echo i586-dg-dgux${UNAME_RELEASE}
 	fi
  	exit 0 ;;
     M88*:DolphinOS:*:*)	# DolphinOS (SVR3)
@@ -465,6 +462,14 @@ EOF
     i?86:AIX:*:*)
 	echo i386-ibm-aix
 	exit 0 ;;
+    ia64:AIX:*:*)
+	if [ -x /usr/bin/oslevel ] ; then
+		IBM_REV=`/usr/bin/oslevel`
+	else
+		IBM_REV=${UNAME_VERSION}.${UNAME_RELEASE}
+	fi
+	echo ${UNAME_MACHINE}-ibm-aix${IBM_REV}
+	exit 0 ;;
     *:AIX:2:3)
 	if grep bos325 /usr/include/stdio.h >/dev/null 2>&1; then
 		sed 's/^		//' << EOF >$dummy.c
@@ -478,7 +483,7 @@ EOF
 			exit(0);
 			}
 EOF
-		$CC_FOR_BUILD $dummy.c -o $dummy && ./$dummy && rm $dummy.c $dummy && exit 0
+		$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
 	elif grep bos324 /usr/include/stdio.h >/dev/null 2>&1; then
@@ -487,21 +492,17 @@ EOF
 		echo rs6000-ibm-aix3.2
 	fi
 	exit 0 ;;
-    *:AIX:*:4)
+    *:AIX:*:[45])
 	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
+	if /usr/sbin/lsattr -El ${IBM_CPU_ID} | grep ' POWER' >/dev/null 2>&1; then
 		IBM_ARCH=rs6000
 	else
 		IBM_ARCH=powerpc
 	fi
 	if [ -x /usr/bin/oslevel ] ; then
 		IBM_REV=`/usr/bin/oslevel`
-	elif grep bos410 /usr/include/stdio.h >/dev/null 2>&1; then
-		IBM_REV=4.1
-	elif grep bos411 /usr/include/stdio.h >/dev/null 2>&1; then
-		IBM_REV=4.1.1
 	else
-		IBM_REV=4.${UNAME_RELEASE}
+		IBM_REV=${UNAME_VERSION}.${UNAME_RELEASE}
 	fi
 	echo ${IBM_ARCH}-ibm-aix${IBM_REV}
 	exit 0 ;;
@@ -511,7 +512,7 @@ EOF
     ibmrt:4.4BSD:*|romp-ibm:BSD:*)
 	echo romp-ibm-bsd4.4
 	exit 0 ;;
-    ibmrt:*BSD:*|romp-ibm:BSD:*)            # covers RT/PC NetBSD and
+    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
     *:BOSX:*:*)
@@ -527,11 +528,31 @@ EOF
 	echo m68k-hp-bsd4.4
 	exit 0 ;;
     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])
+              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
               sed 's/^              //' << EOF >$dummy.c
+
+              #define _HPUX_SOURCE
               #include <stdlib.h>
               #include <unistd.h>
 
@@ -562,12 +583,17 @@ EOF
                   exit (0);
               }
 EOF
-	($CC_FOR_BUILD $dummy.c -o $dummy 2>/dev/null ) && HP_ARCH=`./$dummy`
+	(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 ;;
 	esac
-	HPUX_REV=`echo ${UNAME_RELEASE}|sed -e 's/[^.]*.[0B]*//'`
 	echo ${HP_ARCH}-hp-hpux${HPUX_REV}
 	exit 0 ;;
+    ia64:HP-UX:*:*)
+	HPUX_REV=`echo ${UNAME_RELEASE}|sed -e 's/[^.]*.[0B]*//'`
+	echo ia64-hp-hpux${HPUX_REV}
+	exit 0 ;;
     3050*:HI-UX:*:*)
 	sed 's/^	//' << EOF >$dummy.c
 	#include <unistd.h>
@@ -594,7 +620,7 @@ EOF
 	  exit (0);
 	}
 EOF
-	$CC_FOR_BUILD $dummy.c -o $dummy && ./$dummy && rm $dummy.c $dummy && exit 0
+	$CC_FOR_BUILD $dummy.c -o $dummy && ./$dummy && rm -f $dummy.c $dummy && exit 0
 	rm -f $dummy.c $dummy
 	echo unknown-hitachi-hiuxwe2
 	exit 0 ;;
@@ -605,8 +631,8 @@ EOF
 	echo hppa1.0-hp-bsd
 	exit 0 ;;
     *9??*:MPE/iX:*:*)
-        echo hppa1.0-hp-mpeix
-        exit 0 ;;
+	echo hppa1.0-hp-mpeix
+	exit 0 ;;
     hp7??:OSF1:*:* | hp8?[79]:OSF1:*:* )
 	echo hppa1.1-hp-osf
 	exit 0 ;;
@@ -624,8 +650,8 @@ EOF
 	echo hppa1.1-hp-lites
 	exit 0 ;;
     hppa*:OpenBSD:*:*)
-        echo hppa-unknown-openbsd
-        exit 0 ;;
+	echo hppa-unknown-openbsd
+	exit 0 ;;
     C1*:ConvexOS:*:* | convex:ConvexOS:C1*:*)
 	echo c1-convex-bsd
         exit 0 ;;
@@ -656,104 +682,106 @@ EOF
 	      -e y/ABCDEFGHIJKLMNOPQRSTUVWXYZ/abcdefghijklmnopqrstuvwxyz/
 	exit 0 ;;
     CRAY*TS:*:*:*)
-	echo t90-cray-unicos${UNAME_RELEASE}
+	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 ;;
     CRAY*T3E:*:*:*)
-        echo alpha-cray-unicosmk${UNAME_RELEASE}
-        exit 0 ;;
+	echo alphaev5-cray-unicosmk${UNAME_RELEASE} | sed -e 's/\.[^.]*$/.X/'
+	exit 0 ;;
+    CRAY*SV1:*:*:*)
+	echo sv1-cray-unicos${UNAME_RELEASE} | sed -e 's/\.[^.]*$/.X/'
+	exit 0 ;;
     CRAY-2:*:*:*)
 	echo cray2-cray-unicos
         exit 0 ;;
-    F300:UNIX_System_V:*:*)
-	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}
+    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 ;;
-    i?86:BSD/386:*:* | i?86:BSD/OS:*:*)
+    hp300:OpenBSD:*:*)
+	echo m68k-unknown-openbsd${UNAME_RELEASE}
+	exit 0 ;;
+    i?86:BSD/386:*:* | i?86:BSD/OS:*:* | *:Ascend\ Embedded/OS:*:*)
 	echo ${UNAME_MACHINE}-pc-bsdi${UNAME_RELEASE}
 	exit 0 ;;
     sparc*:BSD/OS:*:*)
-        echo sparc-unknown-bsdi${UNAME_RELEASE}
-        exit 0 ;;
+	echo sparc-unknown-bsdi${UNAME_RELEASE}
+	exit 0 ;;
     *:BSD/OS:*:*)
-        echo ${UNAME_MACHINE}-unknown-bsdi${UNAME_RELEASE}
-        exit 0 ;;
-    *: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/[-=(].*//'`
+	echo ${UNAME_MACHINE}-unknown-bsdi${UNAME_RELEASE}
 	exit 0 ;;
-    *:NetBSD:*:*)
-	echo ${UNAME_MACHINE}-unknown-netbsd`echo ${UNAME_RELEASE}|sed -e 's/[-_].*/\./'`
+    *: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 ;;
     i*:CYGWIN*:*)
-	echo ${UNAME_MACHINE}-pc-cygwin32
+	echo ${UNAME_MACHINE}-pc-cygwin
 	exit 0 ;;
     i*:MINGW*:*)
 	echo ${UNAME_MACHINE}-pc-mingw32
 	exit 0 ;;
+    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 ;;
+	# 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 ;;
     i*:UWIN*:*)
-        echo ${UNAME_MACHINE}-pc-uwin
-        exit 0 ;;
+	echo ${UNAME_MACHINE}-pc-uwin
+	exit 0 ;;
     p*:CYGWIN*:*)
 	echo powerpcle-unknown-cygwin
-	exit 0 ;;    
+	exit 0 ;;
     prep*:SunOS:5.*:*)
 	echo powerpcle-unknown-solaris2`echo ${UNAME_RELEASE}|sed -e 's/[^.]*//'`
 	exit 0 ;;
     *:GNU:*:*)
 	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
-	  *ia64)      echo "${UNAME_MACHINE}-unknown-linux"         ; exit 0 ;;
-	  i?86linux)  echo "${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 | elf32ppclinux)
-		# Determine Lib Version
-		cat >$dummy.c <<EOF
+    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 ${UNAME_MACHINE}-unknown-linux-gnu
+	exit 0 ;;
+    mips:Linux:*:*)
+	cat >$dummy.c <<EOF
+#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 __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 -f $dummy.c $dummy && exit 0
+	rm -f $dummy.c $dummy
+	;;
+    ppc:Linux:*:*)
+	# Determine Lib Version
+	cat >$dummy.c <<EOF
 #include <features.h>
 #if defined(__GLIBC__)
 extern char __libc_version[];
@@ -766,110 +794,130 @@ main(argc, argv)
 #if defined(__GLIBC__)
   printf("%s %s\n", __libc_version, __libc_release);
 #else
-  printf("unkown\n");
+  printf("unknown\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
+	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 ;;
+    alpha:Linux:*:*)
+	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 \$30,0,\$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
+	    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
-		LIBC=""
-		$CC_FOR_BUILD $dummy.s -o $dummy 2>/dev/null
+	LIBC=""
+	$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" ;;
+		esac
+		objdump --private-headers $dummy | \
+		  grep ld.so.1 > /dev/null
 		if test "$?" = 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
+			LIBC="libc1"
 		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 $dummy
-	else
-	  # Either a pre-BFD a.out linker (linux-gnuoldld)
-	  # or one that does not give us useful --help.
-	  # GCC wants to distinguish between linux-gnuoldld and linux-gnuaout.
-	  # If ld does not provide *any* "supported emulations:"
-	  # that means it is gnuoldld.
-	  echo "$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
+	fi
+	rm -f $dummy.s $dummy
+	echo ${UNAME_MACHINE}-unknown-linux-gnu${LIBC}
+	exit 0 ;;
+    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 0 ;;
+    parisc64:Linux:*:* | hppa64:Linux:*:*)
+	echo hppa64-unknown-linux-gnu
+	exit 0 ;;
+    s390:Linux:*:* | s390x:Linux:*:*)
+	echo ${UNAME_MACHINE}-ibm-linux
+	exit 0 ;;
+    sh*:Linux:*:*)
+	echo ${UNAME_MACHINE}-unknown-linux-gnu
+	exit 0 ;;
+    sparc:Linux:*:* | sparc64:Linux:*:*)
+	echo ${UNAME_MACHINE}-unknown-linux-gnu
+	exit 0 ;;
+    x86_64:Linux:*:*)
+	echo x86_64-unknown-linux-gnu
+	exit 0 ;;
+    i?86:Linux:*:*)
+	# The BFD linker knows what the default object file format is, so
+	# first see if it will tell us. cd to the root directory to prevent
+	# problems with other programs or directories called `ld' in the path.
+	ld_supported_emulations=`cd /; ld --help 2>&1 \
+			 | sed -ne '/supported emulations:/!d
+				    s/[ 	][ 	]*/ /g
+				    s/.*supported emulations: *//
+				    s/ .*//
+				    p'`
+        case "$ld_supported_emulations" in
+	  i?86linux)
+		echo "${UNAME_MACHINE}-pc-linux-gnuaout"
+		exit 0
+		;;
+	  elf_i?86)
+		TENTATIVE="${UNAME_MACHINE}-pc-linux-gnu"
+		;;
+	  i?86coff)
+		echo "${UNAME_MACHINE}-pc-linux-gnucoff"
+		exit 0
+		;;
+	esac
+	# Either a pre-BFD a.out linker (linux-gnuoldld)
+	# or one that does not give us useful --help.
+	# GCC wants to distinguish between linux-gnuoldld and linux-gnuaout.
+	# If ld does not provide *any* "supported emulations:"
+	# that means it is gnuoldld.
+	test -z "$ld_supported_emulations" && 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
+#include <stdio.h>  /* for printf() prototype */
 	int main (int argc, char *argv[]) {
 #else
 	int main (argc, argv) int argc; char *argv[]; {
@@ -890,42 +938,40 @@ EOF
   return 0;
 }
 EOF
-	  ${CC-cc} $dummy.c -o $dummy 2>/dev/null && ./$dummy "${UNAME_MACHINE}" && rm $dummy.c $dummy && exit 0
-	  rm -f $dummy.c $dummy
-	fi ;;
+	$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
+	;;
 # 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*:*)
 	echo i386-sequent-sysv4
 	exit 0 ;;
-# added by chet for bash based on usenet posting from <hops@sco.com> and
-# documentation on SCO's web site -- UnixWare 7 (SVR5)
-#    i?86:UnixWare:5*:*)
-#	echo ${UNAME_MACHINE}-pc-sysv5uw${UNAME_VERSION}
-#	exit 0 ;;
     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.
-	# Use sysv4.2uw... so that sysv4* matches it.
+        # 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.*:* | i?86:UNIX_SV:4.*:*)
+    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 ;;
+        # Fixed at (any) Pentium or better
+        UNAME_MACHINE=i586
+        if [ ${UNAME_SYSTEM} = "UnixWare" ] ; then
+	    echo ${UNAME_MACHINE}-sco-sysv${UNAME_RELEASE}uw${UNAME_VERSION}
+	else
+	    echo ${UNAME_MACHINE}-pc-sysv${UNAME_RELEASE}
+	fi
+	exit 0 ;;
     i?86:*:3.2:*)
 	if test -f /usr/options/cb.name; then
 		UNAME_REL=`sed -n 's/.*Version //p' </usr/options/cb.name`
@@ -944,11 +990,15 @@ EOF
 		echo ${UNAME_MACHINE}-pc-sysv32
 	fi
 	exit 0 ;;
+    i?86:*DOS:*:*)
+	echo ${UNAME_MACHINE}-pc-msdosdjgpp
+	exit 0 ;;
     pc:*:*:*)
-	# uname -m prints for DJGPP always 'pc', but it prints nothing about
-	# the processor, so we play safe by assuming i386.
+	# 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 ;;
+        exit 0 ;;
     Intel:Mach:3*:*)
 	echo i386-pc-mach3
 	exit 0 ;;
@@ -968,7 +1018,7 @@ EOF
 	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)
+    3[34]??:*:4.0:3.0 | 3[34]??A:*:4.0:3.0 | 3[34]??,*:*:4.0:3.0 | 4850:*:4.0:3.0)
 	OS_REL=''
 	test -r /etc/.relid \
 	&& OS_REL=.`sed -n 's/[^ ]* [^ ]* \([0-9][0-9]\).*/\1/p' < /etc/.relid`
@@ -977,30 +1027,33 @@ EOF
 	/bin/uname -p 2>/dev/null | /bin/grep entium >/dev/null \
 	  && echo i586-ncr-sysv4.3${OS_REL} && exit 0 ;;
     3[34]??:*:4.0:* | 3[34]??,*:*:4.0:*)
-	/bin/uname -p 2>/dev/null | grep 86 >/dev/null \
-	  && echo i486-ncr-sysv4 && exit 0 ;;
-    mc68030:UNIX_System_V:4.*:*)
-	echo m68k-atari-sysv4
-	exit 0 ;;
+        /bin/uname -p 2>/dev/null | grep 86 >/dev/null \
+          && echo i486-ncr-sysv4 && exit 0 ;;
     m68*:LynxOS:2.*:*)
 	echo m68k-unknown-lynxos${UNAME_RELEASE}
 	exit 0 ;;
+    mc68030:UNIX_System_V:4.*:*)
+	echo m68k-atari-sysv4
+	exit 0 ;;
     i?86:LynxOS:2.*:* | i?86:LynxOS:3.[01]*:*)
-	echo i386-pc-lynxos${UNAME_RELEASE}
+	echo i386-unknown-lynxos${UNAME_RELEASE}
 	exit 0 ;;
     TSUNAMI:LynxOS:2.*:*)
 	echo sparc-unknown-lynxos${UNAME_RELEASE}
 	exit 0 ;;
-    rs6000:LynxOS:2.*:* | PowerPC:LynxOS:2.*:*)
+    rs6000:LynxOS:2.*:*)
 	echo rs6000-unknown-lynxos${UNAME_RELEASE}
 	exit 0 ;;
-    *:LynxOS:*:*)
-	echo ${UNAME_MACHINE}-unknown-lynxos${UNAME_RELEASE}
+    PowerPC:LynxOS:2.*:* | PowerPC:LynxOS:3.[01]*:*)
+	echo powerpc-unknown-lynxos${UNAME_RELEASE}
 	exit 0 ;;
     SM[BE]S:UNIX_SV:*:*)
 	echo mips-dde-sysv${UNAME_RELEASE}
 	exit 0 ;;
-    RM*:SINIX-*:*:* | RM*:ReliantUNIX-*:*:*)
+    RM*:ReliantUNIX-*:*:*)
+	echo mips-sni-sysv4
+	exit 0 ;;
+    RM*:SINIX-*:*:*)
 	echo mips-sni-sysv4
 	exit 0 ;;
     *:SINIX-*:*:*)
@@ -1012,9 +1065,9 @@ EOF
 	fi
 	exit 0 ;;
     PENTIUM:CPunix:4.0*:*) # Unisys `ClearPath HMP IX 4000' SVR4/MP effort
-			   # says <Richard.M.Bartel@ccMail.Census.GOV>
-	echo i586-unisys-sysv4
-	exit 0 ;;
+                           # says <Richard.M.Bartel@ccMail.Census.GOV>
+        echo i586-unisys-sysv4
+        exit 0 ;;
     *:UNIX_System_V:4*:FTX*)
 	# From Gerald Hewes <hewes@openmarket.com>.
 	# How about differentiating between stratus architectures? -djm
@@ -1023,27 +1076,27 @@ EOF
     *:*:*:FTX*)
 	# From seanf@swdc.stratus.com.
 	echo i860-stratus-sysv4
-	exit 0 ;;              
+	exit 0 ;;
     mc68*:A/UX:*:*)
 	echo m68k-apple-aux${UNAME_RELEASE}
 	exit 0 ;;
-    news*:NEWS-OS:*:6*)
+    news*:NEWS-OS:6*:*)
 	echo mips-sony-newsos6
 	exit 0 ;;
-    R3000:*System_V*:*:* | R4000:UNIX_SYSV:*:* | R*000:UNIX_SV:*:*)
+    R[34]000:*System_V*:*:* | R4000:UNIX_SYSV:*:* | R*000:UNIX_SV:*:*)
 	if [ -d /usr/nec ]; then
-		echo mips-nec-sysv${UNAME_RELEASE}
+	        echo mips-nec-sysv${UNAME_RELEASE}
 	else
-		echo mips-unknown-sysv${UNAME_RELEASE}
+	        echo mips-unknown-sysv${UNAME_RELEASE}
 	fi
+        exit 0 ;;
+    BeBox:BeOS:*:*)	# BeOS running on hardware made by Be, PPC only.
+	echo powerpc-be-beos
 	exit 0 ;;
-    BeBox:BeOS:*:*)    # BeOS running on hardware made by Be, PPC only.
-	echo powerpc-apple-beos
-	exit 0 ;;
-    BeMac:BeOS:*:*)
+    BeMac:BeOS:*:*)	# BeOS running on Mac or Mac clone, PPC only.
 	echo powerpc-apple-beos
 	exit 0 ;;
-    BePC:BeOS:*:*)
+    BePC:BeOS:*:*)	# BeOS running on Intel PC compatible.
 	echo i586-pc-beos
 	exit 0 ;;
     SX-4:SUPER-UX:*:*)
@@ -1058,6 +1111,64 @@ EOF
     *:Rhapsody:*:*)
 	echo ${UNAME_MACHINE}-apple-rhapsody${UNAME_RELEASE}
 	exit 0 ;;
+    *:Darwin:*:*)
+	echo `uname -p`-apple-darwin${UNAME_RELEASE}
+	exit 0 ;;
+    *:procnto*:*:* | *:QNX:[0123456789]*:*)
+	if test "${UNAME_MACHINE}" = "x86pc"; then
+		UNAME_MACHINE=pc
+	fi
+	echo `uname -p`-${UNAME_MACHINE}-nto-qnx
+	exit 0 ;;
+    *:QNX:*:4*)
+	echo i386-pc-qnx
+	exit 0 ;;
+    NSR-[KW]:NONSTOP_KERNEL:*:*)
+	echo nsr-tandem-nsk${UNAME_RELEASE}
+	exit 0 ;;
+    *:NonStop-UX:*:*)
+	echo mips-compaq-nonstopux
+	exit 0 ;;
+    BS2000:POSIX*:*:*)
+	echo bs2000-siemens-sysv
+	exit 0 ;;
+    DS/*:UNIX_System_V:*:*)
+	echo ${UNAME_MACHINE}-${UNAME_SYSTEM}-${UNAME_RELEASE}
+	exit 0 ;;
+    *: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 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 ;;
+    *:TOPS-10:*:*)
+	echo pdp10-unknown-tops10
+	exit 0 ;;
+    *:TENEX:*:*)
+	echo pdp10-unknown-tenex
+	exit 0 ;;
+    KS10:TOPS-20:*:* | KL10:TOPS-20:*:* | TYPE4:TOPS-20:*:*)
+	echo pdp10-dec-tops20
+	exit 0 ;;
+    XKL-1:TOPS-20:*:* | TYPE5:TOPS-20:*:*)
+	echo pdp10-xkl-tops20
+	exit 0 ;;
+    *:TOPS-20:*:*)
+	echo pdp10-unknown-tops20
+	exit 0 ;;
+    *:ITS:*:*)
+	echo pdp10-unknown-its
+	exit 0 ;;
 esac
 
 #echo '(No uname command or uname output not recognized.)' 1>&2
@@ -1088,11 +1199,7 @@ main ()
 #endif
 
 #if defined (__arm) && defined (__acorn) && defined (__unix)
-  printf ("arm-acorn-riscix\n"); exit (0);
-#endif
-
-#if defined (hp9000) && !defined (hpux)
-  printf ("m68k-hp-bsd\n"); exit (0);
+  printf ("arm-acorn-riscix"); exit (0);
 #endif
 
 #if defined (hp300) && !defined (hpux)
@@ -1153,129 +1260,35 @@ main ()
 #endif
 
 #if defined (vax)
-#if !defined (ultrix)
-  printf ("vax-dec-bsd\n"); exit (0);
-#else
-  printf ("vax-dec-ultrix\n"); exit (0);
-#endif
-#endif
-
-#if defined (alliant) && defined (i860)
-  printf ("i860-alliant-bsd\n"); exit (0);
-#endif
-
-/* Begin cases added for Bash */
-#if defined (tahoe)
-  printf ("tahoe-cci-bsd\n"); exit (0);
-#endif
-
-#if defined (nec_ews)
-#  if defined (SYSTYPE_SYSV)
-  printf ("ews4800-nec-sysv4\n"); exit 0;
-#  else
-  printf ("ews4800-nec-bsd\n"); exit (0);
-#  endif
-#endif
-
-#if defined (sony)
-#  if defined (SYSTYPE_SYSV)
-  printf ("mips-sony-sysv4\n"); exit 0;
+# 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 ("mips-sony-bsd\n"); exit (0);
+    printf ("vax-dec-bsd\n"); exit (0);
 #  endif
+# else
+    printf ("vax-dec-ultrix\n"); exit (0);
+# endif
 #endif
 
-#if defined (ardent)
-  printf ("titan-ardent-bsd\n"); exit (0);
-#endif
-
-#if defined (stardent)
-  printf ("stardent-stardent-sysv\n"); exit (0);
-#endif
-
-#if defined (ibm032)
-  printf ("ibmrt-ibm-bsd4.3\n"); exit (0);
-#endif
-
-#if defined (sequent) && defined (i386)
-  printf ("i386-sequent-bsd\n"); exit (0);
-#endif
-
-#if defined (qnx) && defined (i386)
-  printf ("i386-pc-qnx\n"); exit (0);
-#endif
-
-#if defined (gould)
-  printf ("gould-gould-bsd\n"); exit (0);
-#endif
-
-#if defined (unixpc)
-  printf ("unixpc-att-sysv\n"); exit (0);
-#endif
-
-#if defined (att386)
-  printf ("i386-att-sysv3\n"); exit (0);
-#endif
-
-#if defined (__m88k) && defined (__UMAXV__)
-  printf ("m88k-encore-sysv3\n"); exit (0);
-#endif
-
-#if defined (drs6000)
-  printf ("drs6000-icl-sysv4.2\n"); exit (0);
-#endif
-
-#if defined (clipper)
-  printf ("clipper-orion-bsd\n"); exit (0);
-#endif
-
-#if defined (is68k)
-  printf ("m68k-isi-bsd\n"); exit (0);
-#endif
-
-#if defined (luna88k)
-  printf ("luna88k-omron-bsd\n"); exit (0);
-#endif
-
-#if defined (butterfly) && defined (BFLY1)
-  printf ("butterfly-bbn-mach\n"); exit (0);
-#endif
-
-#if defined (tower32)
-  printf ("tower32-ncr-sysv4\n"); exit (0);
-#endif
-
-#if defined (MagicStation)
-  printf ("magicstation-unknown-bsd\n"); exit (0);
-#endif
-
-#if defined (scs)
-  printf ("symmetric-scs-bsd4.2\n"); exit (0);
-#endif
-
-#if defined (tandem)
-  printf ("tandem-tandem-sysv\n"); exit (0);
-#endif
-
-#if defined (cadmus)
-  printf ("cadmus-pcs-sysv\n"); exit (0);
-#endif
-
-#if defined (masscomp)
-  printf ("masscomp-masscomp-sysv3\n"); exit (0);
-#endif
-
-#if defined (hbullx20)
-  printf ("hbullx20-bull-sysv3\n"); exit (0);
+#if defined (alliant) && defined (i860)
+  printf ("i860-alliant-bsd\n"); exit (0);
 #endif
 
-/* End cases added for Bash */
-
   exit (1);
 }
 EOF
 
-${CC-cc} $dummy.c -o $dummy 2>/dev/null && ./$dummy && rm $dummy.c $dummy && exit 0
+$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.
@@ -1308,21 +1321,48 @@ then
     esac
 fi
 
-# Begin cases added for Bash
-case "$UNAME" in
-uts) echo uts-amdahl-sysv${UNAME_RELEASE}; exit 0 ;;
-esac
+cat >&2 <<EOF
+$0: unable to guess system type
 
-if [ -d /usr/amiga ]; then
-	echo m68k-cbm-sysv${UNAME_RELEASE}; exit 0;
-fi
+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
 
-if [ -f /bin/fxc.info ]; then
-	echo fxc-alliant-concentrix
-	exit 0
-fi
-# end cases added for Bash
+    ftp://ftp.gnu.org/pub/gnu/config/
+
+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
 
-#echo '(Unable to guess system type)' 1>&2
+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: