diff --git a/config-guess-sub-update.patch b/config-guess-sub-update.patch
new file mode 100644
index 0000000..e7366b9
--- /dev/null
+++ b/config-guess-sub-update.patch
@@ -0,0 +1,1746 @@
+Index: config.guess
+===================================================================
+--- config.guess.orig
++++ config.guess
+@@ -1,14 +1,14 @@
+ #! /bin/sh
+ # Attempt to guess a canonical system name.
+ # Copyright (C) 1992, 1993, 1994, 1995, 1996, 1997, 1998, 1999,
+-# 2000, 2001, 2002, 2003, 2004, 2005, 2006 Free Software Foundation,
+-# Inc.
++# 2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010,
++# 2011, 2012, 2013 Free Software Foundation, Inc.
+
+-timestamp='2006-07-02'
++timestamp='2012-12-30'
+
+ # This file is free software; you can redistribute it and/or modify it
+ # under the terms of the GNU General Public License as published by
+-# the Free Software Foundation; either version 2 of the License, or
++# the Free Software Foundation; either version 3 of the License, or
+ # (at your option) any later version.
+ #
+ # This program is distributed in the hope that it will be useful, but
+@@ -17,26 +17,22 @@ timestamp='2006-07-02'
+ # General Public License for more details.
+ #
+ # You should have received a copy of the GNU General Public License
+-# along with this program; if not, write to the Free Software
+-# Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston, MA
+-# 02110-1301, USA.
++# along with this program; if not, see .
+ #
+ # As a special exception to the GNU General Public License, if you
+ # distribute this file as part of a program that contains a
+ # configuration script generated by Autoconf, you may include it under
+-# the same distribution terms that you use for the rest of that program.
+-
+-
+-# Originally written by Per Bothner .
+-# Please send patches to . Submit a context
+-# diff and a properly formatted ChangeLog entry.
++# the same distribution terms that you use for the rest of that
++# program. This Exception is an additional permission under section 7
++# of the GNU General Public License, version 3 ("GPLv3").
++#
++# Originally written by Per Bothner.
+ #
+-# This script attempts to guess a canonical system name similar to
+-# config.sub. If it succeeds, it prints the system name on stdout, and
+-# exits with 0. Otherwise, it exits with 1.
++# You can get the latest version of this script from:
++# http://git.savannah.gnu.org/gitweb/?p=config.git;a=blob_plain;f=config.guess;hb=HEAD
+ #
+-# The plan is that this can be called by configure scripts if you
+-# don't specify an explicit build system type.
++# Please send patches with a ChangeLog entry to config-patches@gnu.org.
++
+
+ me=`echo "$0" | sed -e 's,.*/,,'`
+
+@@ -56,8 +52,9 @@ version="\
+ GNU config.guess ($timestamp)
+
+ Originally written by Per Bothner.
+-Copyright (C) 1992, 1993, 1994, 1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005
+-Free Software Foundation, Inc.
++Copyright (C) 1992, 1993, 1994, 1995, 1996, 1997, 1998, 1999, 2000,
++2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011,
++2012, 2013 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."
+@@ -144,7 +141,7 @@ UNAME_VERSION=`(uname -v) 2>/dev/null` |
+ case "${UNAME_MACHINE}:${UNAME_SYSTEM}:${UNAME_RELEASE}:${UNAME_VERSION}" in
+ *:NetBSD:*:*)
+ # NetBSD (nbsd) targets should (where applicable) match one or
+- # more of the tupples: *-*-netbsdelf*, *-*-netbsdaout*,
++ # more of the tuples: *-*-netbsdelf*, *-*-netbsdaout*,
+ # *-*-netbsdecoff* and *-*-netbsd*. For targets that recently
+ # switched to ELF, *-*-netbsd* would select the old
+ # object file format. This provides both forward
+@@ -161,6 +158,7 @@ case "${UNAME_MACHINE}:${UNAME_SYSTEM}:$
+ arm*) machine=arm-unknown ;;
+ sh3el) machine=shl-unknown ;;
+ sh3eb) machine=sh-unknown ;;
++ sh5el) machine=sh5le-unknown ;;
+ *) machine=${UNAME_MACHINE_ARCH}-unknown ;;
+ esac
+ # The Operating System including object format, if it has switched
+@@ -169,7 +167,7 @@ case "${UNAME_MACHINE}:${UNAME_SYSTEM}:$
+ arm*|i386|m68k|ns32k|sh3*|sparc|vax)
+ eval $set_cc_for_build
+ if echo __ELF__ | $CC_FOR_BUILD -E - 2>/dev/null \
+- | grep __ELF__ >/dev/null
++ | grep -q __ELF__
+ then
+ # Once all utilities can be ECOFF (netbsdecoff) or a.out (netbsdaout).
+ # Return netbsd for either. FIX?
+@@ -179,7 +177,7 @@ case "${UNAME_MACHINE}:${UNAME_SYSTEM}:$
+ fi
+ ;;
+ *)
+- os=netbsd
++ os=netbsd
+ ;;
+ esac
+ # The OS release
+@@ -200,6 +198,10 @@ case "${UNAME_MACHINE}:${UNAME_SYSTEM}:$
+ # CPU_TYPE-MANUFACTURER-OPERATING_SYSTEM is used.
+ echo "${machine}-${os}${release}"
+ exit ;;
++ *:Bitrig:*:*)
++ UNAME_MACHINE_ARCH=`arch | sed 's/Bitrig.//'`
++ echo ${UNAME_MACHINE_ARCH}-unknown-bitrig${UNAME_RELEASE}
++ exit ;;
+ *:OpenBSD:*:*)
+ UNAME_MACHINE_ARCH=`arch | sed 's/OpenBSD.//'`
+ echo ${UNAME_MACHINE_ARCH}-unknown-openbsd${UNAME_RELEASE}
+@@ -222,7 +224,7 @@ case "${UNAME_MACHINE}:${UNAME_SYSTEM}:$
+ UNAME_RELEASE=`/usr/sbin/sizer -v | awk '{print $3}'`
+ ;;
+ *5.*)
+- UNAME_RELEASE=`/usr/sbin/sizer -v | awk '{print $4}'`
++ UNAME_RELEASE=`/usr/sbin/sizer -v | awk '{print $4}'`
+ ;;
+ esac
+ # According to Compaq, /usr/sbin/psrinfo has been available on
+@@ -268,7 +270,10 @@ case "${UNAME_MACHINE}:${UNAME_SYSTEM}:$
+ # A Xn.n version is an unreleased experimental baselevel.
+ # 1.2 uses "1.2" for uname -r.
+ echo ${UNAME_MACHINE}-dec-osf`echo ${UNAME_RELEASE} | sed -e 's/^[PVTX]//' | tr 'ABCDEFGHIJKLMNOPQRSTUVWXYZ' 'abcdefghijklmnopqrstuvwxyz'`
+- exit ;;
++ # Reset EXIT trap before exiting to avoid spurious non-zero exit code.
++ exitcode=$?
++ trap '' 0
++ exit $exitcode ;;
+ Alpha\ *:Windows_NT*:*)
+ # How do we know it's Interix rather than the generic POSIX subsystem?
+ # Should we change UNAME_MACHINE based on the output of uname instead
+@@ -294,12 +299,12 @@ case "${UNAME_MACHINE}:${UNAME_SYSTEM}:$
+ echo s390-ibm-zvmoe
+ exit ;;
+ *:OS400:*:*)
+- echo powerpc-ibm-os400
++ echo powerpc-ibm-os400
+ exit ;;
+ arm:RISC*:1.[012]*:*|arm:riscix:1.[012]*:*)
+ echo arm-acorn-riscix${UNAME_RELEASE}
+ exit ;;
+- arm:riscos:*:*|arm:RISCOS:*:*)
++ arm*:riscos:*:*|arm*:RISCOS:*:*)
+ echo arm-unknown-riscos
+ exit ;;
+ SR2?01:HI-UX/MPP:*:* | SR8000:HI-UX/MPP:*:*)
+@@ -323,14 +328,33 @@ case "${UNAME_MACHINE}:${UNAME_SYSTEM}:$
+ case `/usr/bin/uname -p` in
+ sparc) echo sparc-icl-nx7; exit ;;
+ esac ;;
++ s390x:SunOS:*:*)
++ echo ${UNAME_MACHINE}-ibm-solaris2`echo ${UNAME_RELEASE}|sed -e 's/[^.]*//'`
++ exit ;;
+ sun4H:SunOS:5.*:*)
+ echo sparc-hal-solaris2`echo ${UNAME_RELEASE}|sed -e 's/[^.]*//'`
+ exit ;;
+ sun4*:SunOS:5.*:* | tadpole*:SunOS:5.*:*)
+ echo sparc-sun-solaris2`echo ${UNAME_RELEASE}|sed -e 's/[^.]*//'`
+ exit ;;
+- i86pc:SunOS:5.*:*)
+- echo i386-pc-solaris2`echo ${UNAME_RELEASE}|sed -e 's/[^.]*//'`
++ i86pc:AuroraUX:5.*:* | i86xen:AuroraUX:5.*:*)
++ echo i386-pc-auroraux${UNAME_RELEASE}
++ exit ;;
++ i86pc:SunOS:5.*:* | i86xen:SunOS:5.*:*)
++ eval $set_cc_for_build
++ SUN_ARCH="i386"
++ # If there is a compiler, see if it is configured for 64-bit objects.
++ # Note that the Sun cc does not turn __LP64__ into 1 like gcc does.
++ # This test works for both compilers.
++ if [ "$CC_FOR_BUILD" != 'no_compiler_found' ]; then
++ if (echo '#ifdef __amd64'; echo IS_64BIT_ARCH; echo '#endif') | \
++ (CCOPTS= $CC_FOR_BUILD -E - 2>/dev/null) | \
++ grep IS_64BIT_ARCH >/dev/null
++ then
++ SUN_ARCH="x86_64"
++ fi
++ fi
++ echo ${SUN_ARCH}-pc-solaris2`echo ${UNAME_RELEASE}|sed -e 's/[^.]*//'`
+ exit ;;
+ sun4*:SunOS:6*:*)
+ # According to config.sub, this is the proper way to canonicalize
+@@ -374,23 +398,23 @@ case "${UNAME_MACHINE}:${UNAME_SYSTEM}:$
+ # 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${UNAME_RELEASE}
++ echo m68k-atari-mint${UNAME_RELEASE}
+ exit ;;
+ atari*:*MiNT:*:* | atari*:*mint:*:* | atarist[e]:*TOS:*:*)
+ echo m68k-atari-mint${UNAME_RELEASE}
+- exit ;;
++ exit ;;
+ *falcon*:*MiNT:*:* | *falcon*:*mint:*:* | *falcon*:*TOS:*:*)
+- echo m68k-atari-mint${UNAME_RELEASE}
++ echo m68k-atari-mint${UNAME_RELEASE}
+ exit ;;
+ milan*:*MiNT:*:* | milan*:*mint:*:* | *milan*:*TOS:*:*)
+- echo m68k-milan-mint${UNAME_RELEASE}
+- exit ;;
++ echo m68k-milan-mint${UNAME_RELEASE}
++ exit ;;
+ hades*:*MiNT:*:* | hades*:*mint:*:* | *hades*:*TOS:*:*)
+- echo m68k-hades-mint${UNAME_RELEASE}
+- exit ;;
++ echo m68k-hades-mint${UNAME_RELEASE}
++ exit ;;
+ *:*MiNT:*:* | *:*mint:*:* | *:*TOS:*:*)
+- echo m68k-unknown-mint${UNAME_RELEASE}
+- exit ;;
++ echo m68k-unknown-mint${UNAME_RELEASE}
++ exit ;;
+ m68k:machten:*:*)
+ echo m68k-apple-machten${UNAME_RELEASE}
+ exit ;;
+@@ -460,8 +484,8 @@ EOF
+ echo m88k-motorola-sysv3
+ exit ;;
+ AViiON:dgux:*:*)
+- # DG/UX returns AViiON for all architectures
+- UNAME_PROCESSOR=`/usr/bin/uname -p`
++ # DG/UX returns AViiON for all architectures
++ UNAME_PROCESSOR=`/usr/bin/uname -p`
+ if [ $UNAME_PROCESSOR = mc88100 ] || [ $UNAME_PROCESSOR = mc88110 ]
+ then
+ if [ ${TARGET_BINARY_INTERFACE}x = m88kdguxelfx ] || \
+@@ -474,7 +498,7 @@ EOF
+ else
+ echo i586-dg-dgux${UNAME_RELEASE}
+ fi
+- exit ;;
++ exit ;;
+ M88*:DolphinOS:*:*) # DolphinOS (SVR3)
+ echo m88k-dolphin-sysv3
+ exit ;;
+@@ -531,7 +555,7 @@ EOF
+ echo rs6000-ibm-aix3.2
+ fi
+ exit ;;
+- *:AIX:*:[45])
++ *:AIX:*:[4567])
+ IBM_CPU_ID=`/usr/sbin/lsdev -C -c processor -S available | sed 1q | awk '{ print $1 }'`
+ if /usr/sbin/lsattr -El ${IBM_CPU_ID} | grep ' POWER' >/dev/null 2>&1; then
+ IBM_ARCH=rs6000
+@@ -574,52 +598,52 @@ EOF
+ 9000/[678][0-9][0-9])
+ if [ -x /usr/bin/getconf ]; then
+ sc_cpu_version=`/usr/bin/getconf SC_CPU_VERSION 2>/dev/null`
+- sc_kernel_bits=`/usr/bin/getconf SC_KERNEL_BITS 2>/dev/null`
+- case "${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 "${sc_kernel_bits}" in
+- 32) HP_ARCH="hppa2.0n" ;;
+- 64) HP_ARCH="hppa2.0w" ;;
++ sc_kernel_bits=`/usr/bin/getconf SC_KERNEL_BITS 2>/dev/null`
++ case "${sc_cpu_version}" in
++ 523) HP_ARCH="hppa1.0" ;; # CPU_PA_RISC1_0
++ 528) HP_ARCH="hppa1.1" ;; # CPU_PA_RISC1_1
++ 532) # CPU_PA_RISC2_0
++ case "${sc_kernel_bits}" in
++ 32) HP_ARCH="hppa2.0n" ;;
++ 64) HP_ARCH="hppa2.0w" ;;
+ '') HP_ARCH="hppa2.0" ;; # HP-UX 10.20
+- esac ;;
+- esac
++ esac ;;
++ esac
+ fi
+ if [ "${HP_ARCH}" = "" ]; then
+ eval $set_cc_for_build
+- sed 's/^ //' << EOF >$dummy.c
++ sed 's/^ //' << EOF >$dummy.c
+
+- #define _HPUX_SOURCE
+- #include
+- #include
+-
+- 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);
+- }
++ #define _HPUX_SOURCE
++ #include
++ #include
++
++ 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
+ (CCOPTS= $CC_FOR_BUILD -o $dummy $dummy.c 2>/dev/null) && HP_ARCH=`$dummy`
+ test -z "$HP_ARCH" && HP_ARCH=hppa
+@@ -639,7 +663,7 @@ EOF
+ # => hppa64-hp-hpux11.23
+
+ if echo __LP64__ | (CCOPTS= $CC_FOR_BUILD -E - 2>/dev/null) |
+- grep __LP64__ >/dev/null
++ grep -q __LP64__
+ then
+ HP_ARCH="hppa2.0w"
+ else
+@@ -710,22 +734,22 @@ EOF
+ exit ;;
+ C1*:ConvexOS:*:* | convex:ConvexOS:C1*:*)
+ echo c1-convex-bsd
+- exit ;;
++ exit ;;
+ C2*:ConvexOS:*:* | convex:ConvexOS:C2*:*)
+ if getsysinfo -f scalar_acc
+ then echo c32-convex-bsd
+ else echo c2-convex-bsd
+ fi
+- exit ;;
++ exit ;;
+ C34*:ConvexOS:*:* | convex:ConvexOS:C34*:*)
+ echo c34-convex-bsd
+- exit ;;
++ exit ;;
+ C38*:ConvexOS:*:* | convex:ConvexOS:C38*:*)
+ echo c38-convex-bsd
+- exit ;;
++ exit ;;
+ C4*:ConvexOS:*:* | convex:ConvexOS:C4*:*)
+ echo c4-convex-bsd
+- exit ;;
++ exit ;;
+ CRAY*Y-MP:*:*:*)
+ echo ymp-cray-unicos${UNAME_RELEASE} | sed -e 's/\.[^.]*$/.X/'
+ exit ;;
+@@ -749,14 +773,14 @@ EOF
+ exit ;;
+ F30[01]:UNIX_System_V:*:* | F700:UNIX_System_V:*:*)
+ FUJITSU_PROC=`uname -m | tr 'ABCDEFGHIJKLMNOPQRSTUVWXYZ' 'abcdefghijklmnopqrstuvwxyz'`
+- FUJITSU_SYS=`uname -p | tr 'ABCDEFGHIJKLMNOPQRSTUVWXYZ' 'abcdefghijklmnopqrstuvwxyz' | sed -e 's/\///'`
+- FUJITSU_REL=`echo ${UNAME_RELEASE} | sed -e 's/ /_/'`
+- echo "${FUJITSU_PROC}-fujitsu-${FUJITSU_SYS}${FUJITSU_REL}"
+- exit ;;
++ FUJITSU_SYS=`uname -p | tr 'ABCDEFGHIJKLMNOPQRSTUVWXYZ' 'abcdefghijklmnopqrstuvwxyz' | sed -e 's/\///'`
++ FUJITSU_REL=`echo ${UNAME_RELEASE} | sed -e 's/ /_/'`
++ echo "${FUJITSU_PROC}-fujitsu-${FUJITSU_SYS}${FUJITSU_REL}"
++ exit ;;
+ 5000:UNIX_System_V:4.*:*)
+- FUJITSU_SYS=`uname -p | tr 'ABCDEFGHIJKLMNOPQRSTUVWXYZ' 'abcdefghijklmnopqrstuvwxyz' | sed -e 's/\///'`
+- FUJITSU_REL=`echo ${UNAME_RELEASE} | tr 'ABCDEFGHIJKLMNOPQRSTUVWXYZ' 'abcdefghijklmnopqrstuvwxyz' | sed -e 's/ /_/'`
+- echo "sparc-fujitsu-${FUJITSU_SYS}${FUJITSU_REL}"
++ FUJITSU_SYS=`uname -p | tr 'ABCDEFGHIJKLMNOPQRSTUVWXYZ' 'abcdefghijklmnopqrstuvwxyz' | sed -e 's/\///'`
++ FUJITSU_REL=`echo ${UNAME_RELEASE} | tr 'ABCDEFGHIJKLMNOPQRSTUVWXYZ' 'abcdefghijklmnopqrstuvwxyz' | sed -e 's/ /_/'`
++ echo "sparc-fujitsu-${FUJITSU_SYS}${FUJITSU_REL}"
+ exit ;;
+ i*86:BSD/386:*:* | i*86:BSD/OS:*:* | *:Ascend\ Embedded/OS:*:*)
+ echo ${UNAME_MACHINE}-pc-bsdi${UNAME_RELEASE}
+@@ -768,37 +792,51 @@ EOF
+ echo ${UNAME_MACHINE}-unknown-bsdi${UNAME_RELEASE}
+ exit ;;
+ *:FreeBSD:*:*)
+- case ${UNAME_MACHINE} in
+- pc98)
+- echo i386-unknown-freebsd`echo ${UNAME_RELEASE}|sed -e 's/[-(].*//'` ;;
++ UNAME_PROCESSOR=`/usr/bin/uname -p`
++ case ${UNAME_PROCESSOR} in
+ amd64)
+ echo x86_64-unknown-freebsd`echo ${UNAME_RELEASE}|sed -e 's/[-(].*//'` ;;
+ *)
+- echo ${UNAME_MACHINE}-unknown-freebsd`echo ${UNAME_RELEASE}|sed -e 's/[-(].*//'` ;;
++ echo ${UNAME_PROCESSOR}-unknown-freebsd`echo ${UNAME_RELEASE}|sed -e 's/[-(].*//'` ;;
+ esac
+ exit ;;
+ i*:CYGWIN*:*)
+ echo ${UNAME_MACHINE}-pc-cygwin
+ exit ;;
+- i*:MINGW*:*)
++ *:MINGW64*:*)
++ echo ${UNAME_MACHINE}-pc-mingw64
++ exit ;;
++ *:MINGW*:*)
+ echo ${UNAME_MACHINE}-pc-mingw32
+ exit ;;
++ i*:MSYS*:*)
++ echo ${UNAME_MACHINE}-pc-msys
++ exit ;;
+ i*:windows32*:*)
+- # uname -m includes "-pc" on this system.
+- echo ${UNAME_MACHINE}-mingw32
++ # uname -m includes "-pc" on this system.
++ echo ${UNAME_MACHINE}-mingw32
+ exit ;;
+ i*:PW*:*)
+ echo ${UNAME_MACHINE}-pc-pw32
+ exit ;;
+- x86:Interix*:[3456]*)
+- echo i586-pc-interix${UNAME_RELEASE}
+- exit ;;
+- EM64T:Interix*:[3456]*)
+- echo x86_64-unknown-interix${UNAME_RELEASE}
+- exit ;;
++ *:Interix*:*)
++ case ${UNAME_MACHINE} in
++ x86)
++ echo i586-pc-interix${UNAME_RELEASE}
++ exit ;;
++ authenticamd | genuineintel | EM64T)
++ echo x86_64-unknown-interix${UNAME_RELEASE}
++ exit ;;
++ IA64)
++ echo ia64-unknown-interix${UNAME_RELEASE}
++ exit ;;
++ esac ;;
+ [345]86:Windows_95:* | [345]86:Windows_98:* | [345]86:Windows_NT:*)
+ echo i${UNAME_MACHINE}-pc-mks
+ exit ;;
++ 8664:Windows_NT:*)
++ echo x86_64-pc-mks
++ exit ;;
+ i*:Windows_NT*:* | Pentium*:Windows_NT*:*)
+ # How do we know it's Interix rather than the generic POSIX subsystem?
+ # It also conflicts with pre-2.0 versions of AT&T UWIN. Should we
+@@ -828,20 +866,68 @@ EOF
+ i*86:Minix:*:*)
+ echo ${UNAME_MACHINE}-pc-minix
+ exit ;;
+- arm*:Linux:*:*)
++ aarch64:Linux:*:*)
+ echo ${UNAME_MACHINE}-unknown-linux-gnu
+ exit ;;
++ aarch64_be:Linux:*:*)
++ UNAME_MACHINE=aarch64_be
++ echo ${UNAME_MACHINE}-unknown-linux-gnu
++ exit ;;
++ alpha:Linux:*:*)
++ case `sed -n '/^cpu model/s/^.*: \(.*\)/\1/p' < /proc/cpuinfo` in
++ EV5) UNAME_MACHINE=alphaev5 ;;
++ EV56) UNAME_MACHINE=alphaev56 ;;
++ PCA56) UNAME_MACHINE=alphapca56 ;;
++ PCA57) UNAME_MACHINE=alphapca56 ;;
++ EV6) UNAME_MACHINE=alphaev6 ;;
++ EV67) UNAME_MACHINE=alphaev67 ;;
++ EV68*) UNAME_MACHINE=alphaev68 ;;
++ esac
++ objdump --private-headers /bin/sh | grep -q ld.so.1
++ if test "$?" = 0 ; then LIBC="libc1" ; else LIBC="" ; fi
++ echo ${UNAME_MACHINE}-unknown-linux-gnu${LIBC}
++ exit ;;
++ arm*:Linux:*:*)
++ eval $set_cc_for_build
++ if echo __ARM_EABI__ | $CC_FOR_BUILD -E - 2>/dev/null \
++ | grep -q __ARM_EABI__
++ then
++ echo ${UNAME_MACHINE}-unknown-linux-gnu
++ else
++ if echo __ARM_PCS_VFP | $CC_FOR_BUILD -E - 2>/dev/null \
++ | grep -q __ARM_PCS_VFP
++ then
++ echo ${UNAME_MACHINE}-unknown-linux-gnueabi
++ else
++ echo ${UNAME_MACHINE}-unknown-linux-gnueabihf
++ fi
++ fi
++ exit ;;
+ avr32*:Linux:*:*)
+ echo ${UNAME_MACHINE}-unknown-linux-gnu
+ exit ;;
+ cris:Linux:*:*)
+- echo cris-axis-linux-gnu
++ echo ${UNAME_MACHINE}-axis-linux-gnu
+ exit ;;
+ crisv32:Linux:*:*)
+- echo crisv32-axis-linux-gnu
++ echo ${UNAME_MACHINE}-axis-linux-gnu
+ exit ;;
+ frv:Linux:*:*)
+- echo frv-unknown-linux-gnu
++ echo ${UNAME_MACHINE}-unknown-linux-gnu
++ exit ;;
++ hexagon:Linux:*:*)
++ echo ${UNAME_MACHINE}-unknown-linux-gnu
++ exit ;;
++ i*86:Linux:*:*)
++ LIBC=gnu
++ eval $set_cc_for_build
++ sed 's/^ //' << EOF >$dummy.c
++ #ifdef __dietlibc__
++ LIBC=dietlibc
++ #endif
++EOF
++ eval `$CC_FOR_BUILD -E $dummy.c 2>/dev/null | grep '^LIBC'`
++ echo "${UNAME_MACHINE}-pc-linux-${LIBC}"
+ exit ;;
+ ia64:Linux:*:*)
+ echo ${UNAME_MACHINE}-unknown-linux-gnu
+@@ -852,74 +938,33 @@ EOF
+ m68*:Linux:*:*)
+ echo ${UNAME_MACHINE}-unknown-linux-gnu
+ exit ;;
+- mips:Linux:*:*)
+- eval $set_cc_for_build
+- sed 's/^ //' << EOF >$dummy.c
+- #undef CPU
+- #undef mips
+- #undef mipsel
+- #if defined(__MIPSEL__) || defined(__MIPSEL) || defined(_MIPSEL) || defined(MIPSEL)
+- CPU=mipsel
+- #else
+- #if defined(__MIPSEB__) || defined(__MIPSEB) || defined(_MIPSEB) || defined(MIPSEB)
+- CPU=mips
+- #else
+- CPU=
+- #endif
+- #endif
+-EOF
+- eval "`$CC_FOR_BUILD -E $dummy.c 2>/dev/null | sed -n '
+- /^CPU/{
+- s: ::g
+- p
+- }'`"
+- test x"${CPU}" != x && { echo "${CPU}-unknown-linux-gnu"; exit; }
+- ;;
+- mips64:Linux:*:*)
++ mips:Linux:*:* | mips64:Linux:*:*)
+ eval $set_cc_for_build
+ sed 's/^ //' << EOF >$dummy.c
+ #undef CPU
+- #undef mips64
+- #undef mips64el
++ #undef ${UNAME_MACHINE}
++ #undef ${UNAME_MACHINE}el
+ #if defined(__MIPSEL__) || defined(__MIPSEL) || defined(_MIPSEL) || defined(MIPSEL)
+- CPU=mips64el
++ CPU=${UNAME_MACHINE}el
+ #else
+ #if defined(__MIPSEB__) || defined(__MIPSEB) || defined(_MIPSEB) || defined(MIPSEB)
+- CPU=mips64
++ CPU=${UNAME_MACHINE}
+ #else
+ CPU=
+ #endif
+ #endif
+ EOF
+- eval "`$CC_FOR_BUILD -E $dummy.c 2>/dev/null | sed -n '
+- /^CPU/{
+- s: ::g
+- p
+- }'`"
++ eval `$CC_FOR_BUILD -E $dummy.c 2>/dev/null | grep '^CPU'`
+ test x"${CPU}" != x && { echo "${CPU}-unknown-linux-gnu"; exit; }
+ ;;
+ or32:Linux:*:*)
+- echo or32-unknown-linux-gnu
+- exit ;;
+- ppc:Linux:*:*)
+- echo powerpc-unknown-linux-gnu
++ echo ${UNAME_MACHINE}-unknown-linux-gnu
+ exit ;;
+- ppc64:Linux:*:*)
+- echo powerpc64-unknown-linux-gnu
++ padre:Linux:*:*)
++ echo sparc-unknown-linux-gnu
+ exit ;;
+- alpha:Linux:*:*)
+- case `sed -n '/^cpu model/s/^.*: \(.*\)/\1/p' < /proc/cpuinfo` in
+- EV5) UNAME_MACHINE=alphaev5 ;;
+- EV56) UNAME_MACHINE=alphaev56 ;;
+- PCA56) UNAME_MACHINE=alphapca56 ;;
+- PCA57) UNAME_MACHINE=alphapca56 ;;
+- EV6) UNAME_MACHINE=alphaev6 ;;
+- EV67) UNAME_MACHINE=alphaev67 ;;
+- EV68*) UNAME_MACHINE=alphaev68 ;;
+- esac
+- objdump --private-headers /bin/sh | grep ld.so.1 >/dev/null
+- if test "$?" = 0 ; then LIBC="libc1" ; else LIBC="" ; fi
+- echo ${UNAME_MACHINE}-unknown-linux-gnu${LIBC}
++ parisc64:Linux:*:* | hppa64:Linux:*:*)
++ echo hppa64-unknown-linux-gnu
+ exit ;;
+ parisc:Linux:*:* | hppa:Linux:*:*)
+ # Look for CPU level
+@@ -929,14 +974,17 @@ EOF
+ *) echo hppa-unknown-linux-gnu ;;
+ esac
+ exit ;;
+- parisc64:Linux:*:* | hppa64:Linux:*:*)
+- echo hppa64-unknown-linux-gnu
++ ppc64:Linux:*:*)
++ echo powerpc64-unknown-linux-gnu
++ exit ;;
++ ppc:Linux:*:*)
++ echo powerpc-unknown-linux-gnu
+ exit ;;
+ s390:Linux:*:* | s390x:Linux:*:*)
+ echo ${UNAME_MACHINE}-ibm-linux
+ exit ;;
+ sh64*:Linux:*:*)
+- echo ${UNAME_MACHINE}-unknown-linux-gnu
++ echo ${UNAME_MACHINE}-unknown-linux-gnu
+ exit ;;
+ sh*:Linux:*:*)
+ echo ${UNAME_MACHINE}-unknown-linux-gnu
+@@ -944,75 +992,18 @@ EOF
+ sparc:Linux:*:* | sparc64:Linux:*:*)
+ echo ${UNAME_MACHINE}-unknown-linux-gnu
+ exit ;;
++ tile*:Linux:*:*)
++ echo ${UNAME_MACHINE}-unknown-linux-gnu
++ exit ;;
+ vax:Linux:*:*)
+ echo ${UNAME_MACHINE}-dec-linux-gnu
+ exit ;;
+ x86_64:Linux:*:*)
+- echo x86_64-unknown-linux-gnu
++ echo ${UNAME_MACHINE}-unknown-linux-gnu
++ exit ;;
++ xtensa*:Linux:*:*)
++ echo ${UNAME_MACHINE}-unknown-linux-gnu
+ exit ;;
+- i*86:Linux:*:*)
+- # The BFD linker knows what the default object file format is, so
+- # first see if it will tell us. cd to the root directory to prevent
+- # problems with other programs or directories called `ld' in the path.
+- # Set LC_ALL=C to ensure ld outputs messages in English.
+- ld_supported_targets=`cd /; LC_ALL=C ld --help 2>&1 \
+- | sed -ne '/supported targets:/!d
+- s/[ ][ ]*/ /g
+- s/.*supported targets: *//
+- s/ .*//
+- p'`
+- case "$ld_supported_targets" in
+- elf32-i386)
+- TENTATIVE="${UNAME_MACHINE}-pc-linux-gnu"
+- ;;
+- a.out-i386-linux)
+- echo "${UNAME_MACHINE}-pc-linux-gnuaout"
+- exit ;;
+- coff-i386)
+- echo "${UNAME_MACHINE}-pc-linux-gnucoff"
+- exit ;;
+- "")
+- # Either a pre-BFD a.out linker (linux-gnuoldld) or
+- # one that does not give us useful --help.
+- echo "${UNAME_MACHINE}-pc-linux-gnuoldld"
+- exit ;;
+- esac
+- # Determine whether the default compiler is a.out or elf
+- eval $set_cc_for_build
+- sed 's/^ //' << EOF >$dummy.c
+- #include
+- #ifdef __ELF__
+- # ifdef __GLIBC__
+- # if __GLIBC__ >= 2
+- LIBC=gnu
+- # else
+- LIBC=gnulibc1
+- # endif
+- # else
+- LIBC=gnulibc1
+- # endif
+- #else
+- #if defined(__INTEL_COMPILER) || defined(__PGI) || defined(__SUNPRO_C) || defined(__SUNPRO_CC)
+- LIBC=gnu
+- #else
+- LIBC=gnuaout
+- #endif
+- #endif
+- #ifdef __dietlibc__
+- LIBC=dietlibc
+- #endif
+-EOF
+- eval "`$CC_FOR_BUILD -E $dummy.c 2>/dev/null | sed -n '
+- /^LIBC/{
+- s: ::g
+- p
+- }'`"
+- test x"${LIBC}" != x && {
+- echo "${UNAME_MACHINE}-pc-linux-${LIBC}"
+- exit
+- }
+- test x"${TENTATIVE}" != x && { echo "${TENTATIVE}"; exit; }
+- ;;
+ i*86:DYNIX/ptx:4*:*)
+ # ptx 4.0 does uname -s correctly, with DYNIX/ptx in there.
+ # earlier versions are messed up and put the nodename in both
+@@ -1020,11 +1011,11 @@ EOF
+ echo i386-sequent-sysv4
+ exit ;;
+ i*86:UNIX_SV:4.2MP:2.*)
+- # Unixware is an offshoot of SVR4, but it has its own version
+- # number series starting with 2...
+- # I am not positive that other SVR4 systems won't match this,
++ # 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 ;;
+ i*86:OS/2:*:*)
+@@ -1041,7 +1032,7 @@ EOF
+ i*86:syllable:*:*)
+ echo ${UNAME_MACHINE}-pc-syllable
+ exit ;;
+- i*86:LynxOS:2.*:* | i*86:LynxOS:3.[01]*:* | i*86:LynxOS:4.0*:*)
++ i*86:LynxOS:2.*:* | i*86:LynxOS:3.[01]*:* | i*86:LynxOS:4.[02]*:*)
+ echo i386-unknown-lynxos${UNAME_RELEASE}
+ exit ;;
+ i*86:*DOS:*:*)
+@@ -1056,7 +1047,7 @@ EOF
+ fi
+ exit ;;
+ i*86:*:5:[678]*)
+- # UnixWare 7.x, OpenUNIX and OpenServer 6.
++ # UnixWare 7.x, OpenUNIX and OpenServer 6.
+ case `/bin/uname -X | grep "^Machine"` in
+ *486*) UNAME_MACHINE=i486 ;;
+ *Pentium) UNAME_MACHINE=i586 ;;
+@@ -1084,10 +1075,13 @@ EOF
+ exit ;;
+ pc:*:*:*)
+ # Left here for compatibility:
+- # uname -m prints for DJGPP always 'pc', but it prints nothing about
+- # the processor, so we play safe by assuming i386.
+- echo i386-pc-msdosdjgpp
+- exit ;;
++ # uname -m prints for DJGPP always 'pc', but it prints nothing about
++ # the processor, so we play safe by assuming i586.
++ # Note: whatever this is, it MUST be the same as what config.sub
++ # prints for the "djgpp" host, or else GDB configury will decide that
++ # this is a cross-build.
++ echo i586-pc-msdosdjgpp
++ exit ;;
+ Intel:Mach:3*:*)
+ echo i386-pc-mach3
+ exit ;;
+@@ -1122,8 +1116,18 @@ EOF
+ /bin/uname -p 2>/dev/null | /bin/grep entium >/dev/null \
+ && { echo i586-ncr-sysv4.3${OS_REL}; exit; } ;;
+ 3[34]??:*:4.0:* | 3[34]??,*:*:4.0:*)
+- /bin/uname -p 2>/dev/null | grep 86 >/dev/null \
+- && { echo i486-ncr-sysv4; exit; } ;;
++ /bin/uname -p 2>/dev/null | grep 86 >/dev/null \
++ && { echo i486-ncr-sysv4; exit; } ;;
++ NCR*:*:4.2:* | MPRAS*:*:4.2:*)
++ OS_REL='.3'
++ test -r /etc/.relid \
++ && OS_REL=.`sed -n 's/[^ ]* [^ ]* \([0-9][0-9]\).*/\1/p' < /etc/.relid`
++ /bin/uname -p 2>/dev/null | grep 86 >/dev/null \
++ && { echo i486-ncr-sysv4.3${OS_REL}; exit; }
++ /bin/uname -p 2>/dev/null | /bin/grep entium >/dev/null \
++ && { echo i586-ncr-sysv4.3${OS_REL}; exit; }
++ /bin/uname -p 2>/dev/null | /bin/grep pteron >/dev/null \
++ && { echo i586-ncr-sysv4.3${OS_REL}; exit; } ;;
+ m68*:LynxOS:2.*:* | m68*:LynxOS:3.0*:*)
+ echo m68k-unknown-lynxos${UNAME_RELEASE}
+ exit ;;
+@@ -1136,7 +1140,7 @@ EOF
+ rs6000:LynxOS:2.*:*)
+ echo rs6000-unknown-lynxos${UNAME_RELEASE}
+ exit ;;
+- PowerPC:LynxOS:2.*:* | PowerPC:LynxOS:3.[01]*:* | PowerPC:LynxOS:4.0*:*)
++ PowerPC:LynxOS:2.*:* | PowerPC:LynxOS:3.[01]*:* | PowerPC:LynxOS:4.[02]*:*)
+ echo powerpc-unknown-lynxos${UNAME_RELEASE}
+ exit ;;
+ SM[BE]S:UNIX_SV:*:*)
+@@ -1156,10 +1160,10 @@ EOF
+ echo ns32k-sni-sysv
+ fi
+ exit ;;
+- PENTIUM:*:4.0*:*) # Unisys `ClearPath HMP IX 4000' SVR4/MP effort
+- # says
+- echo i586-unisys-sysv4
+- exit ;;
++ PENTIUM:*:4.0*:*) # Unisys `ClearPath HMP IX 4000' SVR4/MP effort
++ # says
++ echo i586-unisys-sysv4
++ exit ;;
+ *:UNIX_System_V:4*:FTX*)
+ # From Gerald Hewes .
+ # How about differentiating between stratus architectures? -djm
+@@ -1185,11 +1189,11 @@ EOF
+ exit ;;
+ 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 ;;
++ exit ;;
+ BeBox:BeOS:*:*) # BeOS running on hardware made by Be, PPC only.
+ echo powerpc-be-beos
+ exit ;;
+@@ -1199,6 +1203,12 @@ EOF
+ BePC:BeOS:*:*) # BeOS running on Intel PC compatible.
+ echo i586-pc-beos
+ exit ;;
++ BePC:Haiku:*:*) # Haiku running on Intel PC compatible.
++ echo i586-pc-haiku
++ exit ;;
++ x86_64:Haiku:*:*)
++ echo x86_64-unknown-haiku
++ exit ;;
+ SX-4:SUPER-UX:*:*)
+ echo sx4-nec-superux${UNAME_RELEASE}
+ exit ;;
+@@ -1208,6 +1218,15 @@ EOF
+ SX-6:SUPER-UX:*:*)
+ echo sx6-nec-superux${UNAME_RELEASE}
+ exit ;;
++ SX-7:SUPER-UX:*:*)
++ echo sx7-nec-superux${UNAME_RELEASE}
++ exit ;;
++ SX-8:SUPER-UX:*:*)
++ echo sx8-nec-superux${UNAME_RELEASE}
++ exit ;;
++ SX-8R:SUPER-UX:*:*)
++ echo sx8r-nec-superux${UNAME_RELEASE}
++ exit ;;
+ Power*:Rhapsody:*:*)
+ echo powerpc-apple-rhapsody${UNAME_RELEASE}
+ exit ;;
+@@ -1217,6 +1236,16 @@ EOF
+ *:Darwin:*:*)
+ UNAME_PROCESSOR=`uname -p` || UNAME_PROCESSOR=unknown
+ case $UNAME_PROCESSOR in
++ i386)
++ eval $set_cc_for_build
++ if [ "$CC_FOR_BUILD" != 'no_compiler_found' ]; then
++ if (echo '#ifdef __LP64__'; echo IS_64BIT_ARCH; echo '#endif') | \
++ (CCOPTS= $CC_FOR_BUILD -E - 2>/dev/null) | \
++ grep IS_64BIT_ARCH >/dev/null
++ then
++ UNAME_PROCESSOR="x86_64"
++ fi
++ fi ;;
+ unknown) UNAME_PROCESSOR=powerpc ;;
+ esac
+ echo ${UNAME_PROCESSOR}-apple-darwin${UNAME_RELEASE}
+@@ -1232,7 +1261,10 @@ EOF
+ *:QNX:*:4*)
+ echo i386-pc-qnx
+ exit ;;
+- NSE-?:NONSTOP_KERNEL:*:*)
++ NEO-?:NONSTOP_KERNEL:*:*)
++ echo neo-tandem-nsk${UNAME_RELEASE}
++ exit ;;
++ NSE-*:NONSTOP_KERNEL:*:*)
+ echo nse-tandem-nsk${UNAME_RELEASE}
+ exit ;;
+ NSR-?:NONSTOP_KERNEL:*:*)
+@@ -1277,13 +1309,13 @@ EOF
+ echo pdp10-unknown-its
+ exit ;;
+ SEI:*:*:SEIUX)
+- echo mips-sei-seiux${UNAME_RELEASE}
++ echo mips-sei-seiux${UNAME_RELEASE}
+ exit ;;
+ *:DragonFly:*:*)
+ echo ${UNAME_MACHINE}-unknown-dragonfly`echo ${UNAME_RELEASE}|sed -e 's/[-(].*//'`
+ exit ;;
+ *:*VMS:*:*)
+- UNAME_MACHINE=`(uname -p) 2>/dev/null`
++ UNAME_MACHINE=`(uname -p) 2>/dev/null`
+ case "${UNAME_MACHINE}" in
+ A*) echo alpha-dec-vms ; exit ;;
+ I*) echo ia64-dec-vms ; exit ;;
+@@ -1298,11 +1330,14 @@ EOF
+ i*86:rdos:*:*)
+ echo ${UNAME_MACHINE}-pc-rdos
+ exit ;;
++ i*86:AROS:*:*)
++ echo ${UNAME_MACHINE}-pc-aros
++ exit ;;
++ x86_64:VMkernel:*:*)
++ echo ${UNAME_MACHINE}-unknown-esx
++ exit ;;
+ esac
+
+-#echo '(No uname command or uname output not recognized.)' 1>&2
+-#echo "${UNAME_MACHINE}:${UNAME_SYSTEM}:${UNAME_RELEASE}:${UNAME_VERSION}" 1>&2
+-
+ eval $set_cc_for_build
+ cat >$dummy.c <
+ printf ("m68k-sony-newsos%s\n",
+ #ifdef NEWSOS4
+- "4"
++ "4"
+ #else
+- ""
++ ""
+ #endif
+- ); exit (0);
++ ); exit (0);
+ #endif
+ #endif
+
+@@ -1458,9 +1493,9 @@ This script, last modified $timestamp, h
+ the operating system you are using. It is advised that you
+ download the most up to date version of the config scripts from
+
+- http://savannah.gnu.org/cgi-bin/viewcvs/*checkout*/config/config/config.guess
++ http://git.savannah.gnu.org/gitweb/?p=config.git;a=blob_plain;f=config.guess;hb=HEAD
+ and
+- http://savannah.gnu.org/cgi-bin/viewcvs/*checkout*/config/config/config.sub
++ http://git.savannah.gnu.org/gitweb/?p=config.git;a=blob_plain;f=config.sub;hb=HEAD
+
+ If the version you run ($0) is already up to date, please
+ send the following data and any information you think might be
+Index: config.sub
+===================================================================
+--- config.sub.orig
++++ config.sub
+@@ -1,44 +1,42 @@
+ #! /bin/sh
+ # Configuration validation subroutine script.
+ # Copyright (C) 1992, 1993, 1994, 1995, 1996, 1997, 1998, 1999,
+-# 2000, 2001, 2002, 2003, 2004, 2005, 2006 Free Software Foundation,
+-# Inc.
++# 2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010,
++# 2011, 2012, 2013 Free Software Foundation, Inc.
+
+-timestamp='2006-09-20'
++timestamp='2013-01-23'
+
+-# 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.
+-#
+-# 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
++# 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 3 of the License, or
+ # (at your option) any later version.
+ #
+-# This program is distributed in the hope that it will be useful,
+-# but WITHOUT ANY WARRANTY; without even the implied warranty of
+-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+-# GNU General Public License for more details.
++# This program is distributed in the hope that it will be useful, but
++# WITHOUT ANY WARRANTY; without even the implied warranty of
++# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
++# General Public License for more details.
+ #
+ # You should have received a copy of the GNU General Public License
+-# along with this program; if not, write to the Free Software
+-# Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston, MA
+-# 02110-1301, USA.
++# along with this program; if not, see .
+ #
+ # As a special exception to the GNU General Public License, if you
+ # distribute this file as part of a program that contains a
+ # configuration script generated by Autoconf, you may include it under
+-# the same distribution terms that you use for the rest of that program.
++# the same distribution terms that you use for the rest of that
++# program. This Exception is an additional permission under section 7
++# of the GNU General Public License, version 3 ("GPLv3").
+
+
+-# Please send patches to . Submit a context
+-# diff and a properly formatted ChangeLog entry.
++# Please send patches with a ChangeLog entry to config-patches@gnu.org.
+ #
+ # Configuration subroutine to validate and canonicalize a configuration type.
+ # Supply the specified configuration type as an argument.
+ # If it is invalid, we print an error message on stderr and exit with code 1.
+ # Otherwise, we print the canonical config type on stdout and succeed.
+
++# You can get the latest version of this script from:
++# http://git.savannah.gnu.org/gitweb/?p=config.git;a=blob_plain;f=config.sub;hb=HEAD
++
+ # This file is supposed to be the same for all GNU packages
+ # and recognize all the CPU types, system types and aliases
+ # that are meaningful with *any* GNU software.
+@@ -72,8 +70,9 @@ Report bugs and patches to