* builds/unix/config.{guess,sub}: Updated (from ftp.gnu.org).
diff --git a/ChangeLog b/ChangeLog
index f3c33ca..02878e9 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -3,6 +3,8 @@
 	* docs/docmaker.py (DocSection::add_element): Use
 	`self.print_error()'.
 
+	* builds/unix/config.{guess,sub}: Updated (from ftp.gnu.org).
+
 2001-02-13  David Turner  <david.turner@freetype.org>
 
 	* docs/docmaker.py, include/freetype/*.h: Updated the DocMaker script
diff --git a/builds/unix/config.guess b/builds/unix/config.guess
index 646ae05..9b77b57 100644
--- a/builds/unix/config.guess
+++ b/builds/unix/config.guess
@@ -1,9 +1,9 @@
 #! /bin/sh
 # Attempt to guess a canonical system name.
-#   Copyright (C) 1992, 1993, 1994, 1995, 1996, 1997, 1998, 1999, 2000
+#   Copyright (C) 1992, 1993, 1994, 1995, 1996, 1997, 1998, 1999, 2000, 2001
 #   Free Software Foundation, Inc.
 
-version='2000-07-27'
+timestamp='2001-02-13'
 
 # 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
@@ -32,30 +32,41 @@
 # 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).
-#
+# don't specify an explicit build system type.
 
 me=`echo "$0" | sed -e 's,.*/,,'`
 
 usage="\
 Usage: $0 [OPTION]
 
-Output the configuration name of this system.
+Output the configuration name of the system \`$me' is run on.
 
 Operation modes:
-  -h, --help               print this help, then exit
-  -V, --version            print version number, then exit"
+  -h, --help         print this help, then exit
+  -t, --time-stamp   print date of last modification, then exit
+  -v, --version      print version number, then exit
+
+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
-    --version | --vers* | -V )
+  case $1 in
+    --time-stamp | --time* | -t )
+       echo "$timestamp" ; exit 0 ;;
+    --version | -v )
        echo "$version" ; exit 0 ;;
     --help | --h* | -h )
        echo "$usage"; exit 0 ;;
@@ -64,9 +75,7 @@
     - )	# Use stdin as input.
        break ;;
     -* )
-       exec >&2
-       echo "$me: invalid option $1"
-       echo "$help"
+       echo "$me: invalid option $1$help" >&2
        exit 1 ;;
     * )
        break ;;
@@ -78,19 +87,30 @@
   exit 1
 fi
 
-# 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
-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.)
@@ -100,12 +120,9 @@
 
 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
@@ -129,16 +146,24 @@
 	    ibmrt|romp-ibm) machine=romp-ibm ;;
 	    *) machine=${UNAME_MACHINE}-unknown ;;
 	esac
-	# The Operating System including object format.
-	if echo __ELF__ | $CC_FOR_BUILD -E - 2>/dev/null \
-		| grep __ELF__ >/dev/null
-	then
-	    # Once all utilities can be ECOFF (netbsdecoff) or a.out (netbsdaout).
-	    # Return netbsd for either.  FIX?
-	    os=netbsd
-	else
-	    os=netbsdelf
-	fi
+	# The Operating System including object format, if it has switched
+	# to ELF recently, or will in the future.
+	case "${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 ${UNAME_RELEASE}|sed -e 's/[-_].*/\./'`
 	# Since CPU_TYPE-MANUFACTURER-KERNEL-OPERATING_SYSTEM:
@@ -247,7 +272,7 @@
     arm:RISC*:1.[012]*:*|arm:riscix:1.[012]*:*)
 	echo arm-acorn-riscix${UNAME_RELEASE}
 	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*:*:*)
@@ -437,6 +462,14 @@
     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
@@ -459,9 +492,9 @@
 		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 ${IBM_CPU_ID} | grep ' POWER' >/dev/null 2>&1; then
 		IBM_ARCH=rs6000
 	else
 		IBM_ARCH=powerpc
@@ -469,7 +502,7 @@
 	if [ -x /usr/bin/oslevel ] ; then
 		IBM_REV=`/usr/bin/oslevel`
 	else
-		IBM_REV=4.${UNAME_RELEASE}
+		IBM_REV=${UNAME_VERSION}.${UNAME_RELEASE}
 	fi
 	echo ${IBM_ARCH}-ibm-aix${IBM_REV}
 	exit 0 ;;
@@ -495,10 +528,28 @@
 	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/[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
@@ -533,11 +584,16 @@
               }
 EOF
 	(CCOPTS= $CC_FOR_BUILD $dummy.c -o $dummy 2>/dev/null ) && HP_ARCH=`./$dummy`
+	if test -z "$HP_ARCH"; then HP_ARCH=hppa; fi
 	rm -f $dummy.c $dummy
+	fi ;;
 	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 >$dummy.c
 	#include <unistd.h>
@@ -628,23 +684,24 @@
     CRAY*TS:*:*:*)
 	echo t90-cray-unicos${UNAME_RELEASE} | sed -e 's/\.[^.]*$/.X/'
 	exit 0 ;;
-    CRAY*T3E:*:*:*)
+    CRAY*T3D:*:*:*)
 	echo alpha-cray-unicosmk${UNAME_RELEASE} | sed -e 's/\.[^.]*$/.X/'
 	exit 0 ;;
+    CRAY*T3E:*:*:*)
+	echo alphaev5-cray-unicosmk${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:*:*)
+    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}${FUJITSU_REL}"
+        echo "${FUJITSU_PROC}-fujitsu-${FUJITSU_SYS}${FUJITSU_REL}"
         exit 0 ;;
-    F301:UNIX_System_V:*:*)
-       echo f301-fujitsu-uxpv`echo $UNAME_RELEASE | sed 's/ .*//'`
-       exit 0 ;;
     hp300:OpenBSD:*:*)
 	echo m68k-unknown-openbsd${UNAME_RELEASE}
 	exit 0 ;;
@@ -669,6 +726,9 @@
     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
@@ -690,30 +750,66 @@
     i*86:Minix:*:*)
 	echo ${UNAME_MACHINE}-pc-minix
 	exit 0 ;;
+    ia64:Linux:*:*)
+	echo ${UNAME_MACHINE}-unknown-linux
+	exit 0 ;;
+    s390:Linux:*:* | s390x:Linux:*:*)
+	echo ${UNAME_MACHINE}-ibm-linux
+	exit 0 ;;
+    mips:Linux:*:*)
+	cat >$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 $dummy.c $dummy && exit 0
+	rm -f $dummy.c $dummy
+	;;
+    x86_64:Linux:*:*)
+	echo x86_64-unknown-linux-gnu
+	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 ;;
+    sh*:Linux:*:*)
+	echo ${UNAME_MACHINE}-unknown-linux-gnu
+	exit 0 ;;
     *: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_help_string=`cd /; ld --help 2>&1`
-	ld_supported_emulations=`echo $ld_help_string \
+	ld_supported_emulations=`cd /; ld --help 2>&1 \
 			 | sed -ne '/supported emulations:/!d
 				    s/[ 	][ 	]*/ /g
 				    s/.*supported emulations: *//
 				    s/ .*//
 				    p'`
         case "$ld_supported_emulations" in
-	  *ia64)
-		echo "${UNAME_MACHINE}-unknown-linux"
-		exit 0
-		;;
 	  i?86linux)
 		echo "${UNAME_MACHINE}-pc-linux-gnuaout"
 		exit 0
 		;;
 	  elf_i?86)
-		echo "${UNAME_MACHINE}-pc-linux"
-		exit 0
+		TENTATIVE="${UNAME_MACHINE}-pc-linux-gnu"
 		;;
 	  i?86coff)
 		echo "${UNAME_MACHINE}-pc-linux-gnucoff"
@@ -723,6 +819,10 @@
 		echo "${UNAME_MACHINE}-unknown-linux-gnuaout"
 		exit 0
 		;;
+	  elf32_sparc)
+		echo "${UNAME_MACHINE}-unknown-linux-gnu"
+		exit 0
+		;;
 	  armlinux)
 		echo "${UNAME_MACHINE}-unknown-linux-gnuaout"
 		exit 0
@@ -771,10 +871,6 @@
 		echo powerpc-unknown-linux-gnu${LIBC}
 		exit 0
 		;;
-	  shelf_linux)
-		echo "${UNAME_MACHINE}-unknown-linux-gnu"
-		exit 0
-		;;
 	esac
 
 	if test "${UNAME_MACHINE}" = "alpha" ; then
@@ -807,24 +903,12 @@
 		$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"
-				;;
+			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 | \
@@ -835,35 +919,14 @@
 		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
-#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 $dummy.c $dummy && exit 0
-	  rm -f $dummy.c $dummy
-	elif test "${UNAME_MACHINE}" = "s390"; then
-	  echo s390-ibm-linux && 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.
 	  # 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
+	  test -z "$ld_supported_emulations" \
+	    && echo "${UNAME_MACHINE}-pc-linux-gnuoldld" && exit 0
 
 	  case "${UNAME_MACHINE}" in
 	  i?86)
@@ -900,6 +963,7 @@
 EOF
 	  $CC_FOR_BUILD $dummy.c -o $dummy 2>/dev/null && ./$dummy "${UNAME_MACHINE}" && rm $dummy.c $dummy && exit 0
 	  rm -f $dummy.c $dummy
+	  test x"${TENTATIVE}" != x && echo "${TENTATIVE}" && exit 0
 	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.
@@ -977,7 +1041,7 @@
 	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`
@@ -1000,9 +1064,12 @@
     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 ;;
+    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 ;;
@@ -1036,7 +1103,7 @@
     mc68*:A/UX:*:*)
 	echo m68k-apple-aux${UNAME_RELEASE}
 	exit 0 ;;
-    news*:NEWS-OS:*:6*)
+    news*:NEWS-OS:6*:*)
 	echo mips-sony-newsos6
 	exit 0 ;;
     R[34]000:*System_V*:*:* | R4000:UNIX_SYSV:*:* | R*000:UNIX_SV:*:*)
@@ -1079,9 +1146,12 @@
     *:QNX:*:4*)
 	echo i386-pc-qnx
 	exit 0 ;;
-    NSR-W:NONSTOP_KERNEL:*:*)
+    NSR-[KW]:NONSTOP_KERNEL:*:*)
 	echo nsr-tandem-nsk${UNAME_RELEASE}
 	exit 0 ;;
+    *:NonStop-UX:*:*)
+	echo mips-compaq-nonstopux
+	exit 0 ;;
     BS2000:POSIX*:*:*)
 	echo bs2000-siemens-sysv
 	exit 0 ;;
@@ -1099,6 +1169,29 @@
 	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
@@ -1190,11 +1283,24 @@
 #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)
@@ -1241,8 +1347,9 @@
 cat >&2 <<EOF
 $0: unable to guess system type
 
-The $version version of this script cannot recognize your system type.
-Please download the most up to date version of the config scripts:
+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
 
     ftp://ftp.gnu.org/pub/gnu/config/
 
@@ -1251,7 +1358,7 @@
 pertinent to <config-patches@gnu.org> in order to provide the needed
 information to handle your system.
 
-config.guess version = $version
+config.guess timestamp = $timestamp
 
 uname -m = `(uname -m) 2>/dev/null || echo unknown`
 uname -r = `(uname -r) 2>/dev/null || echo unknown`
@@ -1278,7 +1385,7 @@
 
 # Local variables:
 # eval: (add-hook 'write-file-hooks 'time-stamp)
-# time-stamp-start: "version='"
+# time-stamp-start: "timestamp='"
 # time-stamp-format: "%:y-%02m-%02d"
 # time-stamp-end: "'"
 # End:
diff --git a/builds/unix/config.sub b/builds/unix/config.sub
index 1f731e4..b7d9794 100644
--- a/builds/unix/config.sub
+++ b/builds/unix/config.sub
@@ -1,9 +1,9 @@
 #! /bin/sh
-# Configuration validation subroutine script, version 1.1.
-#   Copyright (C) 1992, 1993, 1994, 1995, 1996, 1997, 1998, 1999, 2000
+# Configuration validation subroutine script.
+#   Copyright (C) 1992, 1993, 1994, 1995, 1996, 1997, 1998, 1999, 2000, 2001
 #   Free Software Foundation, Inc.
 
-version='2000-07-27'
+timestamp='2001-02-13'
 
 # This file is (in principle) common to ALL GNU software.
 # The presence of a machine in this file suggests that SOME GNU software
@@ -60,16 +60,30 @@
 Canonicalize a configuration name.
 
 Operation modes:
-  -h, --help               print this help, then exit
-  -V, --version            print version number, then exit"
+  -h, --help         print this help, then exit
+  -t, --time-stamp   print date of last modification, then exit
+  -v, --version      print version number, then exit
+
+Report bugs and patches to <config-patches@gnu.org>."
+
+version="\
+GNU config.sub ($timestamp)
+
+Copyright (C) 1992, 1993, 1994, 1995, 1996, 1997, 1998, 1999, 2000, 2001
+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
-    --version | --vers* | -V )
+  case $1 in
+    --time-stamp | --time* | -t )
+       echo "$timestamp" ; exit 0 ;;
+    --version | -v )
        echo "$version" ; exit 0 ;;
     --help | --h* | -h )
        echo "$usage"; exit 0 ;;
@@ -78,9 +92,7 @@
     - )	# Use stdin as input.
        break ;;
     -* )
-       exec >&2
-       echo "$me: invalid option $1"
-       echo "$help"
+       echo "$me: invalid option $1$help"
        exit 1 ;;
 
     *local*)
@@ -105,7 +117,7 @@
 # Here we must recognize all the valid KERNEL-OS combinations.
 maybe_os=`echo $1 | sed 's/^\(.*\)-\([^-]*-[^-]*\)$/\2/'`
 case $maybe_os in
-  nto-qnx* | linux-gnu*)
+  nto-qnx* | linux-gnu* | storm-chaos* | os2-emx*)
     os=-$maybe_os
     basic_machine=`echo $1 | sed 's/^\(.*\)-\([^-]*-[^-]*\)$/\1/'`
     ;;
@@ -203,22 +215,24 @@
 case $basic_machine in
 	# Recognize the basic CPU types without company name.
 	# Some are omitted here because they have special meanings below.
-	tahoe | i860 | ia64 | m32r | m68k | m68000 | m88k | ns32k | arc | arm \
-		| arme[lb] | pyramid | mn10200 | mn10300 | tron | a29k \
+	tahoe | i860 | ia64 | m32r | m68k | m68000 | m88k | ns32k | arc \
+	        | arm | arme[lb] | arm[bl]e | armv[2345] | armv[345][lb] | strongarm | xscale \
+		| pyramid | mn10200 | mn10300 | tron | a29k \
 		| 580 | i960 | h8300 \
-		| x86 | ppcbe | mipsbe | mipsle | shbe | shle | armbe | armle \
+		| x86 | ppcbe | mipsbe | mipsle | shbe | shle \
 		| hppa | hppa1.0 | hppa1.1 | hppa2.0 | hppa2.0w | hppa2.0n \
 		| hppa64 \
 		| alpha | alphaev[4-8] | alphaev56 | alphapca5[67] \
 		| alphaev6[78] \
 		| we32k | ns16k | clipper | i370 | sh | sh[34] \
 		| powerpc | powerpcle \
-		| 1750a | dsp16xx | pdp11 | mips16 | mips64 | mipsel | mips64el \
+		| 1750a | dsp16xx | pdp10 | pdp11 \
+		| mips16 | mips64 | mipsel | mips64el \
 		| mips64orion | mips64orionel | mipstx39 | mipstx39el \
 		| mips64vr4300 | mips64vr4300el | mips64vr4100 | mips64vr4100el \
 		| mips64vr5000 | miprs64vr5000el | mcore \
 		| sparc | sparclet | sparclite | sparc64 | sparcv9 | v850 | c4x \
-		| thumb | d10v | d30v | fr30 | avr)
+		| thumb | d10v | d30v | fr30 | avr | openrisc)
 		basic_machine=$basic_machine-unknown
 		;;
 	m6811 | m68hc11 | m6812 | m68hc12)
@@ -232,7 +246,7 @@
 	# 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[234567]86)
+	i[234567]86 | x86_64)
 	  basic_machine=$basic_machine-pc
 	  ;;
 	# Object if more than one company name word.
@@ -243,26 +257,27 @@
 	# Recognize the basic CPU types with company name.
 	# FIXME: clean up the formatting here.
 	vax-* | tahoe-* | i[234567]86-* | i860-* | ia64-* | m32r-* | m68k-* | m68000-* \
-	      | m88k-* | sparc-* | ns32k-* | fx80-* | arc-* | arm-* | c[123]* \
+	      | m88k-* | sparc-* | ns32k-* | fx80-* | arc-* | c[123]* \
+	      | arm-*  | armbe-* | armle-* | armv*-* | strongarm-* | xscale-* \
 	      | mips-* | pyramid-* | tron-* | a29k-* | romp-* | rs6000-* \
 	      | power-* | none-* | 580-* | cray2-* | h8300-* | h8500-* | i960-* \
 	      | xmp-* | ymp-* \
-	      | x86-* | ppcbe-* | mipsbe-* | mipsle-* | shbe-* | shle-* | armbe-* | armle-* \
+	      | x86-* | ppcbe-* | mipsbe-* | mipsle-* | shbe-* | shle-* \
 	      | hppa-* | hppa1.0-* | hppa1.1-* | hppa2.0-* | hppa2.0w-* \
 	      | hppa2.0n-* | hppa64-* \
 	      | alpha-* | alphaev[4-8]-* | alphaev56-* | alphapca5[67]-* \
 	      | alphaev6[78]-* \
 	      | we32k-* | cydra-* | ns16k-* | pn-* | np1-* | xps100-* \
 	      | clipper-* | orion-* \
-	      | sparclite-* | pdp11-* | sh-* | powerpc-* | powerpcle-* \
+	      | sparclite-* | pdp10-* | pdp11-* | sh-* | powerpc-* | powerpcle-* \
 	      | sparc64-* | sparcv9-* | sparc86x-* | mips16-* | mips64-* | mipsel-* \
 	      | mips64el-* | mips64orion-* | mips64orionel-* \
 	      | mips64vr4100-* | mips64vr4100el-* | mips64vr4300-* | mips64vr4300el-* \
 	      | mipstx39-* | mipstx39el-* | mcore-* \
-	      | f301-* | armv*-* | s390-* | sv1-* | t3e-* \
+	      | f30[01]-* | f700-* | s390-* | s390x-* | sv1-* | t3e-* \
 	      | m88110-* | m680[01234]0-* | m683?2-* | m68360-* | z8k-* | d10v-* \
 	      | thumb-* | v850-* | d30v-* | tic30-* | c30-* | fr30-* \
-	      | bs2000-* | tic54x-* | c54x-*)
+	      | bs2000-* | tic54x-* | c54x-* | x86_64-*)
 		;;
 	# Recognize the various machine names and aliases which stand
 	# for a CPU type and a company and sometimes even an OS.
@@ -353,8 +368,8 @@
 		basic_machine=cray2-cray
 		os=-unicos
 		;;
-	[ctj]90-cray)
-		basic_machine=c90-cray
+	[cjt]90)
+		basic_machine=${basic_machine}-cray
 		os=-unicos
 		;;
 	crds | unos)
@@ -410,6 +425,10 @@
 		basic_machine=tron-gmicro
 		os=-sysv
 		;;
+	go32)
+		basic_machine=i386-pc
+		os=-go32
+		;;
 	h3050r* | hiux*)
 		basic_machine=hppa1.1-hitachi
 		os=-hiuxwe2
@@ -509,14 +528,6 @@
 		basic_machine=i386-unknown
 		os=-vsta
 		;;
-	i386-go32 | go32)
-		basic_machine=i386-unknown
-		os=-go32
-		;;
-	i386-mingw32 | mingw32)
-		basic_machine=i386-unknown
-		os=-mingw32
-		;;
 	iris | iris4d)
 		basic_machine=mips-sgi
 		case $os in
@@ -542,6 +553,10 @@
 		basic_machine=ns32k-utek
 		os=-sysv
 		;;
+	mingw32)
+		basic_machine=i386-pc
+		os=-mingw32
+		;;
 	miniframe)
 		basic_machine=m68000-convergent
 		;;
@@ -572,7 +587,7 @@
 		os=-coff
 		;;
 	msdos)
-		basic_machine=i386-unknown
+		basic_machine=i386-pc
 		os=-msdos
 		;;
 	mvs)
@@ -636,6 +651,10 @@
 		basic_machine=i960-intel
 		os=-mon960
 		;;
+	nonstopux)
+		basic_machine=mips-compaq
+		os=-nonstopux
+		;;
 	np1)
 		basic_machine=np1-gould
 		;;
@@ -671,28 +690,28 @@
         pc532 | pc532-*)
 		basic_machine=ns32k-pc532
 		;;
-	pentium | p5 | k5 | k6 | nexen)
+	pentium | p5 | k5 | k6 | nexgen)
 		basic_machine=i586-pc
 		;;
 	pentiumpro | p6 | 6x86 | athlon)
 		basic_machine=i686-pc
 		;;
 	pentiumii | pentium2)
-		basic_machine=i786-pc
+		basic_machine=i686-pc
 		;;
-	pentium-* | p5-* | k5-* | k6-* | nexen-*)
+	pentium-* | p5-* | k5-* | k6-* | nexgen-*)
 		basic_machine=i586-`echo $basic_machine | sed 's/^[^-]*-//'`
 		;;
 	pentiumpro-* | p6-* | 6x86-* | athlon-*)
 		basic_machine=i686-`echo $basic_machine | sed 's/^[^-]*-//'`
 		;;
 	pentiumii-* | pentium2-*)
-		basic_machine=i786-`echo $basic_machine | sed 's/^[^-]*-//'`
+		basic_machine=i686-`echo $basic_machine | sed 's/^[^-]*-//'`
 		;;
 	pn)
 		basic_machine=pn-gould
 		;;
-	power)	basic_machine=rs6000-ibm
+	power)	basic_machine=power-ibm
 		;;
 	ppc)	basic_machine=powerpc-unknown
 	        ;;
@@ -707,6 +726,10 @@
 	ps2)
 		basic_machine=i386-ibm
 		;;
+	pw32)
+		basic_machine=i586-unknown
+		os=-pw32
+		;;
 	rom68k)
 		basic_machine=m68k-rom68k
 		os=-coff
@@ -897,6 +920,10 @@
 	vax)
 		basic_machine=vax-dec
 		;;
+	pdp10)
+		# there are many clones, so DEC is not a safe bet
+		basic_machine=pdp10-unknown
+		;;
 	pdp11)
 		basic_machine=pdp11-dec
 		;;
@@ -904,7 +931,7 @@
 		basic_machine=we32k-att
 		;;
 	sh3 | sh4)
-		base_machine=sh-unknown
+		basic_machine=sh-unknown
 		;;
 	sparc | sparcv9)
 		basic_machine=sparc-sun
@@ -987,7 +1014,8 @@
 	      | -cygwin* | -pe* | -psos* | -moss* | -proelf* | -rtems* \
 	      | -mingw32* | -linux-gnu* | -uxpv* | -beos* | -mpeix* | -udk* \
 	      | -interix* | -uwin* | -rhapsody* | -darwin* | -opened* \
-	      | -openstep* | -oskit*)
+	      | -openstep* | -oskit* | -conix* | -pw32* | -nonstopux* \
+	      | -storm-chaos* | -tops10* | -tenex* | -tops20* | -its* | -os2*)
 	# Remember, each alternative MUST END IN *, to match a version number.
 		;;
 	-qnx*)
@@ -1048,7 +1076,7 @@
 	-ns2 )
 	        os=-nextstep2
 		;;
-	-nsk)
+	-nsk*)
 		os=-nsk
 		;;
 	# Preserve the version number of sinix5.
@@ -1085,7 +1113,7 @@
 	-xenix)
 		os=-xenix
 		;;
-        -*mint | -*MiNT)
+        -*mint | -mint[0-9]* | -*MiNT | -MiNT[0-9]*)
 	        os=-mint
 		;;
 	-none)
@@ -1119,6 +1147,9 @@
 	arm*-semi)
 		os=-aout
 		;;
+	pdp10-*)
+		os=-tops20
+		;;
         pdp11-*)
 		os=-none
 		;;
@@ -1227,7 +1258,7 @@
 	*-masscomp)
 		os=-rtu
 		;;
-	f301-fujitsu)
+	f30[01]-fujitsu | f700-fujitsu)
 		os=-uxpv
 		;;
 	*-rom68k)
@@ -1305,7 +1336,7 @@
 			-mpw* | -macos*)
 				vendor=apple
 				;;
-			-*mint | -*MiNT)
+			-*mint | -mint[0-9]* | -*MiNT | -MiNT[0-9]*)
 				vendor=atari
 				;;
 		esac
@@ -1318,7 +1349,7 @@
 
 # Local variables:
 # eval: (add-hook 'write-file-hooks 'time-stamp)
-# time-stamp-start: "version='"
+# time-stamp-start: "timestamp='"
 # time-stamp-format: "%:y-%02m-%02d"
 # time-stamp-end: "'"
 # End: