diff --git a/src/config.guess b/src/config.guess
index 851ed5f49b..2960d6e0d2 100755
--- a/src/config.guess
+++ b/src/config.guess
@@ -1,6 +1,6 @@
 #! /bin/sh
 # Attempt to guess a canonical system name.
-#   Copyright (C) 1992, 93, 94, 95, 1996 Free Software Foundation, Inc.
+#   Copyright (C) 1992, 93, 94, 95, 96, 97, 1998 Free Software Foundation, Inc.
 #
 # 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
@@ -52,11 +52,53 @@ trap 'rm -f dummy.c dummy.o dummy; exit 1' 1 2 15
 
 case "${UNAME_MACHINE}:${UNAME_SYSTEM}:${UNAME_RELEASE}:${UNAME_VERSION}" in
     alpha:OSF1:*:*)
+	if test $UNAME_RELEASE = "V4.0"; then
+		UNAME_RELEASE=`/usr/sbin/sizer -v | awk '{print $3}'`
+	fi
 	# A Vn.n version is a released version.
 	# A Tn.n version is a released field test version.
 	# A Xn.n version is an unreleased experimental baselevel.
 	# 1.2 uses "1.2" for uname -r.
-	echo alpha-dec-osf`echo ${UNAME_RELEASE} | sed -e 's/^[VTX]//'`
+	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
+	${CC-cc} dummy.s -o dummy 2>/dev/null
+	if test "$?" = 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 ${UNAME_RELEASE} | sed -e 's/^[VTX]//' | tr [[A-Z]] [[a-z]]`
 	exit 0 ;;
     21064:Windows_NT:50:3)
 	echo alpha-dec-winnt3.5
@@ -68,12 +110,39 @@ case "${UNAME_MACHINE}:${UNAME_SYSTEM}:${UNAME_RELEASE}:${UNAME_VERSION}" in
       echo m68k-cbm-netbsd${UNAME_RELEASE}
       exit 0 ;;
     amiga:OpenBSD:*:*)
-      echo m68k-cbm-openbsd${UNAME_RELEASE}
-      exit 0 ;;
+	echo m68k-unknown-openbsd${UNAME_RELEASE}
+	exit 0 ;;
+    *:[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${UNAME_RELEASE}
+	exit 0 ;;
     arm:RISC*:1.[012]*:*|arm:riscix:1.[012]*:*)
 	echo arm-acorn-riscix${UNAME_RELEASE}
 	exit 0;;
-    Pyramid*:OSx*:*:*|MIS*:OSx*:*:*)
+    arm32:NetBSD:*:*)
+	echo arm-unknown-netbsd`echo ${UNAME_RELEASE}|sed -e 's/[-_].*/\./'`
+	exit 0 ;;
+    SR2?01:HI-UX/MPP:*:*)
+	echo hppa1.1-hitachi-hiuxmpp
+	exit 0;;
+    Pyramid*:OSx*:*:*|MIS*:OSx*:*:*|MIS*:SMP_DC-OSx*:*:*)
 	# akee@wpdis03.wpafb.af.mil (Earle F. Ake) contributed MIS and NILE.
 	if test "`(/bin/universe) 2>/dev/null`" = att ; then
 		echo pyramid-pyramid-sysv3
@@ -84,6 +153,9 @@ case "${UNAME_MACHINE}:${UNAME_SYSTEM}:${UNAME_RELEASE}:${UNAME_VERSION}" in
     NILE:*:*:dcosx)
 	echo pyramid-pyramid-svr4
 	exit 0 ;;
+    sun4H:SunOS:5.*:*)
+	echo sparc-hal-solaris2`echo ${UNAME_RELEASE}|sed -e 's/[^.]*//'`
+	exit 0 ;;
     sun4*:SunOS:5.*:* | tadpole*:SunOS:5.*:*)
 	echo sparc-sun-solaris2`echo ${UNAME_RELEASE}|sed -e 's/[^.]*//'`
 	exit 0 ;;
@@ -108,6 +180,18 @@ case "${UNAME_MACHINE}:${UNAME_SYSTEM}:${UNAME_RELEASE}:${UNAME_VERSION}" in
     sun3*:SunOS:*:*)
 	echo m68k-sun-sunos${UNAME_RELEASE}
 	exit 0 ;;
+    sun*:*:4.2BSD:*)
+	UNAME_RELEASE=`(head -1 /etc/motd | awk '{print substr($5,1,3)}') 2>/dev/null`
+	test "x${UNAME_RELEASE}" = "x" && UNAME_RELEASE=3
+	case "`/bin/arch`" in
+	    sun3)
+		echo m68k-sun-sunos${UNAME_RELEASE}
+		;;
+	    sun4)
+		echo sparc-sun-sunos${UNAME_RELEASE}
+		;;
+	esac
+	exit 0 ;;
     aushp:SunOS:*:*)
 	echo sparc-auspex-sunos${UNAME_RELEASE}
 	exit 0 ;;
@@ -115,26 +199,32 @@ case "${UNAME_MACHINE}:${UNAME_SYSTEM}:${UNAME_RELEASE}:${UNAME_VERSION}" in
 	echo m68k-atari-netbsd${UNAME_RELEASE}
 	exit 0 ;;
     atari*:OpenBSD:*:*)
-	echo m68k-atari-openbsd${UNAME_RELEASE}
+	echo m68k-unknown-openbsd${UNAME_RELEASE}
 	exit 0 ;;
     sun3*:NetBSD:*:*)
 	echo m68k-sun-netbsd${UNAME_RELEASE}
 	exit 0 ;;
     sun3*:OpenBSD:*:*)
-	echo m68k-sun-openbsd${UNAME_RELEASE}
+	echo m68k-unknown-openbsd${UNAME_RELEASE}
 	exit 0 ;;
     mac68k:NetBSD:*:*)
 	echo m68k-apple-netbsd${UNAME_RELEASE}
 	exit 0 ;;
     mac68k:OpenBSD:*:*)
-	echo m68k-apple-openbsd${UNAME_RELEASE}
+	echo m68k-unknown-openbsd${UNAME_RELEASE}
+	exit 0 ;;
+    mvme68k:OpenBSD:*:*)
+	echo m68k-unknown-openbsd${UNAME_RELEASE}
+	exit 0 ;;
+    mvme88k:OpenBSD:*:*)
+	echo m88k-unknown-openbsd${UNAME_RELEASE}
 	exit 0 ;;
-    macppc:NetBSD:*:*)
-	echo powerpc-apple-netbsd${UNAME_RELEASE}
-	exit 0;;
     powerpc:machten:*:*)
 	echo powerpc-apple-machten${UNAME_RELEASE}
 	exit 0 ;;
+    macppc:NetBSD:*:*)
+        echo powerpc-apple-netbsd${UNAME_RELEASE}
+        exit 0 ;;
     RISC*:Mach:*:*)
 	echo mips-dec-mach_bsd4.3
 	exit 0 ;;
@@ -144,6 +234,9 @@ case "${UNAME_MACHINE}:${UNAME_SYSTEM}:${UNAME_RELEASE}:${UNAME_VERSION}" in
     VAX*:ULTRIX*:*:*)
 	echo vax-dec-ultrix${UNAME_RELEASE}
 	exit 0 ;;
+    2020:CLIX:*:*)
+	echo clipper-intergraph-clix${UNAME_RELEASE}
+	exit 0 ;;
     mips:*:*:UMIPS | mips:*:*:RISCos)
 	sed 's/^	//' << EOF >dummy.c
 	int main (argc, argv) int argc; char **argv; {
@@ -184,7 +277,6 @@ EOF
         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 = m88kdguxx \
 	     -o ${TARGET_BINARY_INTERFACE}x = x ] ; then
 		echo m88k-dg-dgux${UNAME_RELEASE}
 	else
@@ -238,7 +330,8 @@ EOF
 	fi
 	exit 0 ;;
     *:AIX:*:4)
-	if /usr/sbin/lsattr -EHl proc0 | grep POWER >/dev/null 2>&1; then
+	IBM_CPU_ID=`/usr/sbin/lsdev -C -c processor -S available | head -1 | awk '{ print $1 }'`
+	if /usr/sbin/lsattr -EHl ${IBM_CPU_ID} | grep POWER >/dev/null 2>&1; then
 		IBM_ARCH=rs6000
 	else
 		IBM_ARCH=powerpc
@@ -271,12 +364,44 @@ EOF
     hp300:4.4BSD:*:* | 9000/[34]??:4.3bsd:2.*:*)
 	echo m68k-hp-bsd4.4
 	exit 0 ;;
-    9000/[3478]??:HP-UX:*:*)
+    9000/[34678]??:HP-UX:*:*)
 	case "${UNAME_MACHINE}" in
 	    9000/31? )            HP_ARCH=m68000 ;;
 	    9000/[34]?? )         HP_ARCH=m68k ;;
-	    9000/7?? | 9000/8?[1679] ) HP_ARCH=hppa1.1 ;;
-	    9000/8?? )            HP_ARCH=hppa1.0 ;;
+	    9000/6?? | 9000/7?? | 9000/80[24] | 9000/8?[13679] | 9000/892 )
+              sed 's/^              //' << EOF >dummy.c
+              #include <stdlib.h>
+              #include <unistd.h>
+              
+              int main ()
+              {
+              #if defined(_SC_KERNEL_BITS)
+                  long bits = sysconf(_SC_KERNEL_BITS);
+              #endif 
+                  long cpu  = sysconf (_SC_CPU_VERSION);
+              
+                  switch (cpu) 
+              	{
+              	case CPU_PA_RISC1_0: puts ("hppa1.0"); break;
+              	case CPU_PA_RISC1_1: puts ("hppa1.1"); break;
+              	case CPU_PA_RISC2_0: 
+              #if defined(_SC_KERNEL_BITS)
+              	    switch (bits) 
+              		{
+              		case 64: puts ("hppa2.0w"); break;
+              		case 32: puts ("hppa2.0n"); break;
+              		default: puts ("hppa2.0"); break;
+              		} break;
+              #else  /* !defined(_SC_KERNEL_BITS) */
+              	    puts ("hppa2.0"); break;
+              #endif 
+              	default: puts ("hppa1.0"); break;
+              	}
+                  exit (0);
+              }
+EOF
+	(${CC-cc} dummy.c -o dummy 2>/dev/null ) && HP_ARCH=`./dummy`
+	rm -f dummy.c dummy
 	esac
 	HPUX_REV=`echo ${UNAME_RELEASE}|sed -e 's/[^.]*.[0B]*//'`
 	echo ${HP_ARCH}-hp-hpux${HPUX_REV}
@@ -379,8 +504,11 @@ EOF
     hp3[0-9][05]:NetBSD:*:*)
 	echo m68k-hp-netbsd${UNAME_RELEASE}
 	exit 0 ;;
-    hp3[0-9][05]:OpenBSD:*:*)
-	echo m68k-hp-openbsd${UNAME_RELEASE}
+    hp300:OpenBSD:*:*)
+	echo m68k-unknown-openbsd${UNAME_RELEASE}
+	exit 0 ;;
+    sparc*:BSD/OS:*:*)
+	echo sparc-unknown-bsdi${UNAME_RELEASE}
 	exit 0 ;;
     i?86:BSD/386:*:* | *:BSD/OS:*:*)
 	echo ${UNAME_MACHINE}-pc-bsdi${UNAME_RELEASE}
@@ -395,52 +523,146 @@ EOF
 	echo ${UNAME_MACHINE}-unknown-openbsd`echo ${UNAME_RELEASE}|sed -e 's/[-_].*/\./'`
 	exit 0 ;;
     i*:CYGWIN*:*)
-	echo i386-pc-cygwin32
+	echo ${UNAME_MACHINE}-pc-cygwin
+	exit 0 ;;
+    i*:MINGW*:*)
+	echo ${UNAME_MACHINE}-pc-mingw32
 	exit 0 ;;
     p*:CYGWIN*:*)
-	echo powerpcle-unknown-cygwin32
+	echo powerpcle-unknown-cygwin
 	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 ${UNAME_RELEASE}|sed -e 's,/.*$,,'`
+	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 "$UNAME_MACHINE" in
+	  arm* | sa110*)	      UNAME_MACHINE="arm" ;;
+	esac
+
 	# The BFD linker knows what the default object file format is, so
 	# first see if it will tell us.
 	ld_help_string=`ld --help 2>&1`
-	if echo "$ld_help_string" | grep >/dev/null 2>&1 "supported emulations: elf_i.86"; then
-	  echo "${UNAME_MACHINE}-pc-linux-gnu" ; exit 0
-	elif echo "$ld_help_string" | grep >/dev/null 2>&1 "supported emulations: i.86linux"; then
-	  echo "${UNAME_MACHINE}-pc-linux-gnuaout" ; exit 0
-	elif echo "$ld_help_string" | grep >/dev/null 2>&1 "supported emulations: i.86coff"; then
-	  echo "${UNAME_MACHINE}-pc-linux-gnucoff" ; exit 0
-	elif echo "$ld_help_string" | grep >/dev/null 2>&1 "supported emulations: m68kelf"; then
-	  echo "${UNAME_MACHINE}-unknown-linux-gnu" ; exit 0
-	elif echo "$ld_help_string" | grep >/dev/null 2>&1 "supported emulations: m68klinux"; then
-	  echo "${UNAME_MACHINE}-unknown-linux-gnuaout" ; exit 0
-	elif echo "$ld_help_string" | grep >/dev/null 2>&1 "supported emulations: elf32ppc"; then
-	  echo "powerpc-unknown-linux-gnu" ; exit 0
-	elif test "${UNAME_MACHINE}" = "alpha" ; then
-	  echo alpha-unknown-linux-gnu ; exit 0
-	elif test "${UNAME_MACHINE}" = "sparc" ; then
-	  echo sparc-unknown-linux-gnu ; exit 0
-	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.
-	  test ! -d /usr/lib/ldscripts/. \
-	    && echo "${UNAME_MACHINE}-pc-linux-gnuoldld" && exit 0
-	  # Determine whether the default compiler is a.out or elf
+	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 "${UNAME_MACHINE}-unknown-linux-gnuaout" ; exit 0 ;;
+	  elf32ppc)   echo "powerpc-unknown-linux-gnu"              ; exit 0 ;;
+	esac
+
+	if test "${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=""
+		${CC-cc} dummy.s -o dummy 2>/dev/null
+		if test "$?" = 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
 main(argc, argv)
-int argc;
-char *argv[];
+     int argc;
+     char *argv[];
+{
+#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
+	  ${CC-cc} dummy.c -o dummy 2>/dev/null && ./dummy "${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 "${UNAME_MACHINE}" in
+	  i?86)
+	    VENDOR=pc;
+	    ;;
+	  *)
+	    VENDOR=unknown;
+	    ;;
+	  esac
+	  # Determine whether the default compiler is a.out or elf
+	  cat >dummy.c <<EOF
+#include <features.h>
+main(argc, argv)
+     int argc;
+     char *argv[];
 {
 #ifdef __ELF__
-  printf ("%s-pc-linux-gnu\n", argv[1]);
+# ifdef __GLIBC__
+#  if __GLIBC__ >= 2
+    printf ("%s-${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-pc-linux-gnuaout\n", argv[1]);
+  printf ("%s-${VENDOR}-linux-gnuaout\n", argv[1]);
 #endif
   return 0;
 }
@@ -453,8 +675,13 @@ EOF
     i?86:DYNIX/ptx:4*:*)
 	echo i386-sequent-sysv4
 	exit 0 ;;
-    i[34]86:UnixWare:*:*)
-	echo ${UNAME_MACHINE}-unixware-sysv${UNAME_RELEASE}
+    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.*:*)
 	if grep Novell /usr/include/link.h >/dev/null 2>/dev/null; then
@@ -477,6 +704,18 @@ EOF
 		echo ${UNAME_MACHINE}-pc-sysv32
 	fi
 	exit 0 ;;
+    i?86:UnixWare:*:*)
+	if /bin/uname -X 2>/dev/null >/dev/null ; then
+	  (/bin/uname -X|egrep '^Machine.*Pentium' >/dev/null) \
+	    && UNAME_MACHINE=i586
+	fi
+	echo ${UNAME_MACHINE}-unixware-${UNAME_RELEASE}-${UNAME_VERSION}
+	exit 0 ;;
+    pc:*:*:*)
+        # uname -m prints for DJGPP always 'pc', but it prints nothing about
+        # the processor, so we play safe by assuming i386.
+	echo i386-pc-msdosdjgpp
+        exit 0 ;;
     Intel:Mach:3*:*)
 	echo i386-pc-mach3
 	exit 0 ;;
@@ -536,6 +775,10 @@ EOF
 		echo ns32k-sni-sysv
 	fi
 	exit 0 ;;
+    PENTIUM:CPunix:4.0*:*) # Unisys `ClearPath HMP IX 4000' SVR4/MP effort
+                           # says <Richard.M.Bartel@ccMail.Census.GOV>
+        echo i586-unisys-sysv4
+        exit 0 ;;
     *:UNIX_System_V:4*:FTX*)
 	# From Gerald Hewes <hewes@openmarket.com>.
 	# How about differentiating between stratus architectures? -djm
@@ -548,17 +791,25 @@ EOF
     mc68*:A/UX:*:*)
 	echo m68k-apple-aux${UNAME_RELEASE}
 	exit 0 ;;
-    R3000:*System_V*:*:* | R4000:UNIX_SYSV:*:*)
+    news*:NEWS-OS:*:6*)
+	echo mips-sony-newsos6
+	exit 0 ;;
+    R3000:*System_V*:*:* | R4000:UNIX_SYSV:*:* | R4000:UNIX_SV:*:*)
 	if [ -d /usr/nec ]; then
 	        echo mips-nec-sysv${UNAME_RELEASE}
 	else
 	        echo mips-unknown-sysv${UNAME_RELEASE}
 	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 ;;
+    BeBox:BeOS:*:*)	# BeOS running on hardware made by Be, PPC only.
+	echo powerpc-be-beos
+	exit 0 ;;
+    BeMac:BeOS:*:*)	# BeOS running on Mac or Mac clone, PPC only.
+	echo powerpc-apple-beos
+	exit 0 ;;
+    BePC:BeOS:*:*)	# BeOS running on Intel PC compatible.
+	echo i586-pc-beos
+	exit 0 ;;
 esac
 
 #echo '(No uname command or uname output not recognized.)' 1>&2
diff --git a/src/config.sub b/src/config.sub
index 0859eab7b8..00bea6e6aa 100755
--- a/src/config.sub
+++ b/src/config.sub
@@ -1,6 +1,6 @@
 #! /bin/sh
 # Configuration validation subroutine script, version 1.1.
-#   Copyright (C) 1991, 92, 93, 94, 95, 1996 Free Software Foundation, Inc.
+#   Copyright (C) 1991, 92-97, 1998 Free Software Foundation, Inc.
 # This file is (in principle) common to ALL GNU software.
 # The presence of a machine in this file suggests that SOME GNU software
 # can handle that machine.  It does not imply ALL GNU software can.
@@ -149,19 +149,20 @@ esac
 case $basic_machine in
 	# Recognize the basic CPU types without company name.
 	# Some are omitted here because they have special meanings below.
-	tahoe | i860 | m68k | m68000 | m88k | ns32k | arm \
-		| arme[lb] | pyramid \
-		| tron | a29k | 580 | i960 | h8300 | hppa | hppa1.0 | hppa1.1 \
-		| alpha | we32k | ns16k | clipper | i370 | sh \
-		| powerpc | powerpcle | 1750a | dsp16xx | mips64 | mipsel \
-		| pdp11 | mips64el | mips64orion | mips64orionel \
-		| sparc | sparclet | sparclite | sparc64)
+	tahoe | i860 | m32r | m68k | m68000 | m88k | ns32k | arc | arm \
+		| arme[lb] | pyramid | mn10200 | mn10300 | tron | a29k \
+		| 580 | i960 | h8300 | hppa | hppa1.0 | hppa1.1 | hppa2.0 \
+		| alpha | alphaev5 | alphaev56 | we32k | ns16k | clipper \
+		| i370 | sh | powerpc | powerpcle | 1750a | dsp16xx | pdp11 \
+		| mips64 | mipsel | mips64el | mips64orion | mips64orionel \
+		| mipstx39 | mipstx39el \
+		| sparc | sparclet | sparclite | sparc64 | v850)
 		basic_machine=$basic_machine-unknown
 		;;
 	# We use `pc' rather than `unknown'
 	# because (1) that's what they normally are, and
 	# (2) the word "unknown" tends to confuse beginning users.
-	i[3456]86)
+	i[34567]86)
 	  basic_machine=$basic_machine-pc
 	  ;;
 	# Object if more than one company name word.
@@ -170,14 +171,18 @@ case $basic_machine in
 		exit 1
 		;;
 	# Recognize the basic CPU types with company name.
-	vax-* | tahoe-* | i[3456]86-* | i860-* | m68k-* | m68000-* | m88k-* \
-	      | sparc-* | ns32k-* | fx80-* | arm-* | c[123]* \
-	      | mips-* | pyramid-* | tron-* | a29k-* | romp-* | rs6000-* | power-* \
-	      | none-* | 580-* | cray2-* | h8300-* | i960-* | xmp-* | ymp-* \
-	      | hppa-* | hppa1.0-* | hppa1.1-* | alpha-* | we32k-* | cydra-* | ns16k-* \
-	      | pn-* | np1-* | xps100-* | clipper-* | orion-* | sparclite-* \
-	      | pdp11-* | sh-* | powerpc-* | powerpcle-* | sparc64-* | mips64-* | mipsel-* \
-	      | mips64el-* | mips64orion-* | mips64orionel-* | f301-*)
+	vax-* | tahoe-* | i[34567]86-* | i860-* | m32r-* | m68k-* | m68000-* \
+	      | m88k-* | sparc-* | ns32k-* | fx80-* | arc-* | arm-* | c[123]* \
+	      | mips-* | pyramid-* | tron-* | a29k-* | romp-* | rs6000-* \
+	      | power-* | none-* | 580-* | cray2-* | h8300-* | i960-* \
+	      | xmp-* | ymp-* | hppa-* | hppa1.0-* | hppa1.1-* | hppa2.0-* \
+	      | alpha-* | alphaev5-* | alphaev56-* | we32k-* | cydra-* \
+	      | ns16k-* | pn-* | np1-* | xps100-* | clipper-* | orion-* \
+	      | sparclite-* | pdp11-* | sh-* | powerpc-* | powerpcle-* \
+	      | sparc64-* | mips64-* | mipsel-* \
+	      | mips64el-* | mips64orion-* | mips64orionel-*  \
+	      | mipstx39-* | mipstx39el-* \
+	      | f301-*)
 		;;
 	# Recognize the various machine names and aliases which stand
 	# for a CPU type and a company and sometimes even an OS.
@@ -204,9 +209,9 @@ case $basic_machine in
 	amiga | amiga-*)
 		basic_machine=m68k-cbm
 		;;
-	amigados)
+	amigaos | amigados)
 		basic_machine=m68k-cbm
-		os=-amigados
+		os=-amigaos
 		;;
 	amigaunix | amix)
 		basic_machine=m68k-cbm
@@ -345,19 +350,19 @@ case $basic_machine in
 		os=-mvs
 		;;
 # I'm not sure what "Sysv32" means.  Should this be sysv3.2?
-	i[3456]86v32)
+	i[34567]86v32)
 		basic_machine=`echo $1 | sed -e 's/86.*/86-pc/'`
 		os=-sysv32
 		;;
-	i[3456]86v4*)
+	i[34567]86v4*)
 		basic_machine=`echo $1 | sed -e 's/86.*/86-pc/'`
 		os=-sysv4
 		;;
-	i[3456]86v)
+	i[34567]86v)
 		basic_machine=`echo $1 | sed -e 's/86.*/86-pc/'`
 		os=-sysv
 		;;
-	i[3456]86sol2)
+	i[34567]86sol2)
 		basic_machine=`echo $1 | sed -e 's/86.*/86-pc/'`
 		os=-solaris2
 		;;
@@ -389,6 +394,14 @@ case $basic_machine in
 	miniframe)
 		basic_machine=m68000-convergent
 		;;
+	mipsel*-linux*)
+		basic_machine=mipsel-unknown
+		os=-linux-gnu
+		;;
+	mips*-linux*)
+		basic_machine=mips-unknown
+		os=-linux-gnu
+		;;
 	mips3*-*)
 		basic_machine=`echo $basic_machine | sed -e 's/mips3/mips64/'`
 		;;
@@ -456,25 +469,23 @@ case $basic_machine in
         pc532 | pc532-*)
 		basic_machine=ns32k-pc532
 		;;
-	pentium | p5)
-		basic_machine=i586-intel
+	pentium | p5 | k5 | nexen)
+		basic_machine=i586-pc
 		;;
-	pentiumpro | p6)
-		basic_machine=i686-intel
+	pentiumpro | p6 | k6 | 6x86)
+		basic_machine=i686-pc
 		;;
-	pentium-* | p5-*)
+	pentiumii | pentium2)
+		basic_machine=i786-pc
+		;;
+	pentium-* | p5-* | k5-* | nexen-*)
 		basic_machine=i586-`echo $basic_machine | sed 's/^[^-]*-//'`
 		;;
-	pentiumpro-* | p6-*)
+	pentiumpro-* | p6-* | k6-* | 6x86-*)
 		basic_machine=i686-`echo $basic_machine | sed 's/^[^-]*-//'`
 		;;
-	k5)
-		# We don't have specific support for AMD's K5 yet, so just call it a Pentium
-		basic_machine=i586-amd
-		;;
-	nexen)
-		# We don't have specific support for Nexgen yet, so just call it a Pentium
-		basic_machine=i586-nexgen
+	pentiumii-* | pentium2-*)
+		basic_machine=i786-`echo $basic_machine | sed 's/^[^-]*-//'`
 		;;
 	pn)
 		basic_machine=pn-gould
@@ -558,6 +569,12 @@ case $basic_machine in
 		basic_machine=i386-sequent
 		os=-dynix
 		;;
+	tx39)
+		basic_machine=mipstx39-unknown
+		;;
+	tx39el)
+		basic_machine=mipstx39el-unknown
+		;;
 	tower | tower-32)
 		basic_machine=m68k-ncr
 		;;
@@ -577,7 +594,7 @@ case $basic_machine in
 		basic_machine=vax-dec
 		os=-vms
 		;;
-       vpp*|vx|vx-*)
+	vpp*|vx|vx-*)
                basic_machine=f301-fujitsu
                ;;
 	vxworks960)
@@ -607,7 +624,11 @@ case $basic_machine in
 # Here we handle the default manufacturer of certain CPU types.  It is in
 # some cases the only manufacturer, in others, it is the most popular.
 	mips)
-		basic_machine=mips-mips
+		if [ x$os = x-linux-gnu ]; then
+			basic_machine=mips-unknown
+		else
+			basic_machine=mips-mips
+		fi
 		;;
 	romp)
 		basic_machine=romp-ibm
@@ -668,11 +689,11 @@ case $os in
 	-solaris)
 		os=-solaris2
 		;;
-	-unixware* | svr4*)
+	-svr4*)
 		os=-sysv4
 		;;
-	-univel*)
-		os=-sysv4
+	-unixware*)
+		os=-sysv4.2uw
 		;;
 	-gnu/linux*)
 		os=`echo $os | sed -e 's|gnu/linux|linux-gnu|'`
@@ -684,15 +705,16 @@ case $os in
 	-gnu* | -bsd* | -mach* | -minix* | -genix* | -ultrix* | -irix* \
 	      | -*vms* | -sco* | -esix* | -isc* | -aix* | -sunos | -sunos[34]*\
 	      | -hpux* | -unos* | -osf* | -luna* | -dgux* | -solaris* | -sym* \
-	      | -amigados* | -msdos* | -newsos* | -unicos* | -aof* | -aos* \
+	      | -amigaos* | -amigados* | -msdos* | -newsos* | -unicos* | -aof* \
+	      | -aos* \
 	      | -nindy* | -vxsim* | -vxworks* | -ebmon* | -hms* | -mvs* \
 	      | -clix* | -riscos* | -uniplus* | -iris* | -rtu* | -xenix* \
 	      | -hiux* | -386bsd* | -netbsd* | -openbsd* | -freebsd* | -riscix* \
 	      | -lynxos* | -bosx* | -nextstep* | -cxux* | -aout* | -elf* \
 	      | -ptx* | -coff* | -ecoff* | -winnt* | -domain* | -vsta* \
 	      | -udi* | -eabi* | -lites* | -ieee* | -go32* | -aux* \
-	      | -cygwin32* | -pe* | -psos* | -moss* | -proelf* | -rtems* \
-	      | -linux-gnu* | -uxpv*)
+	      | -cygwin* | -pe* | -psos* | -moss* | -proelf* | -rtems* \
+	      | -mingw32* | -linux-gnu* | -uxpv* | -beos*)
 	# Remember, each alternative MUST END IN *, to match a version number.
 		;;
 	-linux*)
@@ -805,6 +827,9 @@ case $basic_machine in
 	sparc-* | *-sun)
 		os=-sunos4.1.1
 		;;
+	*-be)
+		os=-beos
+		;;
 	*-ibm)
 		os=-aix
 		;;
@@ -818,7 +843,7 @@ case $basic_machine in
 		os=-sysv
 		;;
 	*-cbm)
-		os=-amigados
+		os=-amigaos
 		;;
 	*-dg)
 		os=-dgux