diff --git a/tar-1.26-arm-config-sub-guess.patch b/tar-1.26-arm-config-sub-guess.patch
new file mode 100644
index 0000000..9acac5d
--- /dev/null
+++ b/tar-1.26-arm-config-sub-guess.patch
@@ -0,0 +1,651 @@
+diff --git a/build-aux/config.guess b/build-aux/config.guess
+index 187cd54..1804e9f 100755
+--- a/build-aux/config.guess
++++ b/build-aux/config.guess
+@@ -2,13 +2,13 @@
+ # Attempt to guess a canonical system name.
+ #   Copyright (C) 1992, 1993, 1994, 1995, 1996, 1997, 1998, 1999,
+ #   2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010,
+-#   2011 Free Software Foundation, Inc.
++#   2011, 2012, 2013 Free Software Foundation, Inc.
+ 
+-timestamp='2011-02-02'
++timestamp='2012-12-29'
+ 
+ # 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='2011-02-02'
+ # 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 <http://www.gnu.org/licenses/>.
+ #
+ # 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 (context
+-# diff format) to <config-patches@gnu.org> and include a 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").
+ #
+-# 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.
++# Originally written by Per Bothner. 
+ #
+ # 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
++#
++# Please send patches with a ChangeLog entry to config-patches@gnu.org.
++
+ 
+ me=`echo "$0" | sed -e 's,.*/,,'`
+ 
+@@ -57,8 +53,8 @@ GNU config.guess ($timestamp)
+ 
+ Originally written by Per Bothner.
+ Copyright (C) 1992, 1993, 1994, 1995, 1996, 1997, 1998, 1999, 2000,
+-2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011 Free
+-Software Foundation, Inc.
++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."
+@@ -145,7 +141,7 @@ UNAME_VERSION=`(uname -v) 2>/dev/null` || UNAME_VERSION=unknown
+ 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
+@@ -202,6 +198,10 @@ case "${UNAME_MACHINE}:${UNAME_SYSTEM}:${UNAME_RELEASE}:${UNAME_VERSION}" in
+ 	# 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}
+@@ -304,7 +304,7 @@ case "${UNAME_MACHINE}:${UNAME_SYSTEM}:${UNAME_RELEASE}:${UNAME_VERSION}" in
+     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:*:*)
+@@ -792,21 +792,26 @@ 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 ;;
++    *: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
+@@ -861,6 +866,13 @@ EOF
+     i*86:Minix:*:*)
+ 	echo ${UNAME_MACHINE}-pc-minix
+ 	exit ;;
++    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 ;;
+@@ -882,20 +894,29 @@ EOF
+ 	then
+ 	    echo ${UNAME_MACHINE}-unknown-linux-gnu
+ 	else
+-	    echo ${UNAME_MACHINE}-unknown-linux-gnueabi
++	    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 ${UNAME_MACHINE}-unknown-linux-gnu
+ 	exit ;;
+     i*86:Linux:*:*)
+ 	LIBC=gnu
+@@ -937,7 +958,7 @@ EOF
+ 	test x"${CPU}" != x && { echo "${CPU}-unknown-linux-gnu"; exit; }
+ 	;;
+     or32:Linux:*:*)
+-	echo or32-unknown-linux-gnu
++	echo ${UNAME_MACHINE}-unknown-linux-gnu
+ 	exit ;;
+     padre:Linux:*:*)
+ 	echo sparc-unknown-linux-gnu
+@@ -972,13 +993,13 @@ EOF
+ 	echo ${UNAME_MACHINE}-unknown-linux-gnu
+ 	exit ;;
+     tile*:Linux:*:*)
+-	echo ${UNAME_MACHINE}-tilera-linux-gnu
++	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 ${UNAME_MACHINE}-unknown-linux-gnu
+@@ -1185,6 +1206,9 @@ EOF
+     BePC:Haiku:*:*)	# Haiku running on Intel PC compatible.
+ 	echo i586-pc-haiku
+ 	exit ;;
++    x86_64:Haiku:*:*)
++	echo x86_64-unknown-haiku
++	exit ;;
+     SX-4:SUPER-UX:*:*)
+ 	echo sx4-nec-superux${UNAME_RELEASE}
+ 	exit ;;
+@@ -1240,7 +1264,7 @@ EOF
+     NEO-?:NONSTOP_KERNEL:*:*)
+ 	echo neo-tandem-nsk${UNAME_RELEASE}
+ 	exit ;;
+-    NSE-?:NONSTOP_KERNEL:*:*)
++    NSE-*:NONSTOP_KERNEL:*:*)
+ 	echo nse-tandem-nsk${UNAME_RELEASE}
+ 	exit ;;
+     NSR-?:NONSTOP_KERNEL:*:*)
+@@ -1309,11 +1333,11 @@ EOF
+     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 <<EOF
+ #ifdef _SEQUENT_
+diff --git a/build-aux/config.sub b/build-aux/config.sub
+index 0ef29b0..52f04bc 100755
+--- a/build-aux/config.sub
++++ b/build-aux/config.sub
+@@ -2,37 +2,32 @@
+ # Configuration validation subroutine script.
+ #   Copyright (C) 1992, 1993, 1994, 1995, 1996, 1997, 1998, 1999,
+ #   2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010,
+-#   2011 Free Software Foundation, Inc.
++#   2011, 2012, 2013 Free Software Foundation, Inc.
+ 
+-timestamp='2011-02-24'
++timestamp='2012-12-29'
+ 
+-# 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 <http://www.gnu.org/licenses/>.
+ #
+ # 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 <config-patches@gnu.org>.  Submit a context
+-# diff and a properly formatted GNU 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.
+@@ -76,8 +71,8 @@ version="\
+ GNU config.sub ($timestamp)
+ 
+ Copyright (C) 1992, 1993, 1994, 1995, 1996, 1997, 1998, 1999, 2000,
+-2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011 Free
+-Software Foundation, Inc.
++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."
+@@ -125,13 +120,17 @@ esac
+ maybe_os=`echo $1 | sed 's/^\(.*\)-\([^-]*-[^-]*\)$/\2/'`
+ case $maybe_os in
+   nto-qnx* | linux-gnu* | linux-android* | linux-dietlibc | linux-newlib* | \
+-  linux-uclibc* | uclinux-uclibc* | uclinux-gnu* | kfreebsd*-gnu* | \
++  linux-musl* | linux-uclibc* | uclinux-uclibc* | uclinux-gnu* | kfreebsd*-gnu* | \
+   knetbsd*-gnu* | netbsd*-gnu* | \
+   kopensolaris*-gnu* | \
+   storm-chaos* | os2-emx* | rtmk-nova*)
+     os=-$maybe_os
+     basic_machine=`echo $1 | sed 's/^\(.*\)-\([^-]*-[^-]*\)$/\1/'`
+     ;;
++  android-linux)
++    os=-linux-android
++    basic_machine=`echo $1 | sed 's/^\(.*\)-\([^-]*-[^-]*\)$/\1/'`-unknown
++    ;;
+   *)
+     basic_machine=`echo $1 | sed 's/-[^-]*$//'`
+     if [ $basic_machine != $1 ]
+@@ -154,7 +153,7 @@ case $os in
+ 	-convergent* | -ncr* | -news | -32* | -3600* | -3100* | -hitachi* |\
+ 	-c[123]* | -convex* | -sun | -crds | -omron* | -dg | -ultra | -tti* | \
+ 	-harris | -dolphin | -highlevel | -gould | -cbm | -ns | -masscomp | \
+-	-apple | -axis | -knuth | -cray | -microblaze)
++	-apple | -axis | -knuth | -cray | -microblaze*)
+ 		os=
+ 		basic_machine=$1
+ 		;;
+@@ -223,6 +222,12 @@ case $os in
+ 	-isc*)
+ 		basic_machine=`echo $1 | sed -e 's/86-.*/86-pc/'`
+ 		;;
++	-lynx*178)
++		os=-lynxos178
++		;;
++	-lynx*5)
++		os=-lynxos5
++		;;
+ 	-lynx*)
+ 		os=-lynxos
+ 		;;
+@@ -247,20 +252,27 @@ case $basic_machine in
+ 	# Some are omitted here because they have special meanings below.
+ 	1750a | 580 \
+ 	| a29k \
++	| aarch64 | aarch64_be \
+ 	| alpha | alphaev[4-8] | alphaev56 | alphaev6[78] | alphapca5[67] \
+ 	| alpha64 | alpha64ev[4-8] | alpha64ev56 | alpha64ev6[78] | alpha64pca5[67] \
+ 	| am33_2.0 \
+-	| arc | arm | arm[bl]e | arme[lb] | armv[2345] | armv[345][lb] | avr | avr32 \
++	| arc \
++	| arm | arm[bl]e | arme[lb] | armv[2-8] | armv[3-8][lb] | armv7[arm] \
++	| avr | avr32 \
++	| be32 | be64 \
+ 	| bfin \
+ 	| c4x | clipper \
+ 	| d10v | d30v | dlx | dsp16xx \
++	| epiphany \
+ 	| fido | fr30 | frv \
+ 	| h8300 | h8500 | hppa | hppa1.[01] | hppa2.0 | hppa2.0[nw] | hppa64 \
++	| hexagon \
+ 	| i370 | i860 | i960 | ia64 \
+ 	| ip2k | iq2000 \
++	| le32 | le64 \
+ 	| lm32 \
+ 	| m32c | m32r | m32rle | m68000 | m68k | m88k \
+-	| maxq | mb | microblaze | mcore | mep | metag \
++	| maxq | mb | microblaze | microblazeel | mcore | mep | metag \
+ 	| mips | mipsbe | mipseb | mipsel | mipsle \
+ 	| mips16 \
+ 	| mips64 | mips64el \
+@@ -286,22 +298,23 @@ case $basic_machine in
+ 	| nds32 | nds32le | nds32be \
+ 	| nios | nios2 \
+ 	| ns16k | ns32k \
++	| open8 \
+ 	| or32 \
+ 	| pdp10 | pdp11 | pj | pjl \
+-	| powerpc | powerpc64 | powerpc64le | powerpcle | ppcbe \
++	| powerpc | powerpc64 | powerpc64le | powerpcle \
+ 	| pyramid \
+-	| rx \
++	| rl78 | rx \
+ 	| score \
+ 	| sh | sh[1234] | sh[24]a | sh[24]aeb | sh[23]e | sh[34]eb | sheb | shbe | shle | sh[1234]le | sh3ele \
+ 	| sh64 | sh64le \
+ 	| sparc | sparc64 | sparc64b | sparc64v | sparc86x | sparclet | sparclite \
+ 	| sparcv8 | sparcv9 | sparcv9b | sparcv9v \
+-	| spu | strongarm \
+-	| tahoe | thumb | tic4x | tic54x | tic55x | tic6x | tic80 | tron \
++	| spu \
++	| tahoe | tic4x | tic54x | tic55x | tic6x | tic80 | tron \
+ 	| ubicom32 \
+-	| v850 | v850e \
++	| v850 | v850e | v850e1 | v850e2 | v850es | v850e2v3 \
+ 	| we32k \
+-	| x86 | xc16x | xscale | xscalee[bl] | xstormy16 | xtensa \
++	| x86 | xc16x | xstormy16 | xtensa \
+ 	| z8k | z80)
+ 		basic_machine=$basic_machine-unknown
+ 		;;
+@@ -314,8 +327,7 @@ case $basic_machine in
+ 	c6x)
+ 		basic_machine=tic6x-unknown
+ 		;;
+-	m6811 | m68hc11 | m6812 | m68hc12 | picochip)
+-		# Motorola 68HC11/12.
++	m6811 | m68hc11 | m6812 | m68hc12 | m68hcs12x | picochip)
+ 		basic_machine=$basic_machine-unknown
+ 		os=-none
+ 		;;
+@@ -325,6 +337,21 @@ case $basic_machine in
+ 		basic_machine=mt-unknown
+ 		;;
+ 
++	strongarm | thumb | xscale)
++		basic_machine=arm-unknown
++		;;
++	xgate)
++		basic_machine=$basic_machine-unknown
++		os=-none
++		;;
++	xscaleeb)
++		basic_machine=armeb-unknown
++		;;
++
++	xscaleel)
++		basic_machine=armel-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.
+@@ -339,11 +366,13 @@ case $basic_machine in
+ 	# Recognize the basic CPU types with company name.
+ 	580-* \
+ 	| a29k-* \
++	| aarch64-* | aarch64_be-* \
+ 	| alpha-* | alphaev[4-8]-* | alphaev56-* | alphaev6[78]-* \
+ 	| alpha64-* | alpha64ev[4-8]-* | alpha64ev56-* | alpha64ev6[78]-* \
+ 	| alphapca5[67]-* | alpha64pca5[67]-* | arc-* \
+ 	| arm-*  | armbe-* | armle-* | armeb-* | armv*-* \
+ 	| avr-* | avr32-* \
++	| be32-* | be64-* \
+ 	| bfin-* | bs2000-* \
+ 	| c[123]* | c30-* | [cjt]90-* | c4x-* \
+ 	| clipper-* | craynv-* | cydra-* \
+@@ -352,12 +381,15 @@ case $basic_machine in
+ 	| f30[01]-* | f700-* | fido-* | fr30-* | frv-* | fx80-* \
+ 	| h8300-* | h8500-* \
+ 	| hppa-* | hppa1.[01]-* | hppa2.0-* | hppa2.0[nw]-* | hppa64-* \
++	| hexagon-* \
+ 	| i*86-* | i860-* | i960-* | ia64-* \
+ 	| ip2k-* | iq2000-* \
++	| le32-* | le64-* \
+ 	| lm32-* \
+ 	| m32c-* | m32r-* | m32rle-* \
+ 	| m68000-* | m680[012346]0-* | m68360-* | m683?2-* | m68k-* \
+-	| m88110-* | m88k-* | maxq-* | mcore-* | metag-* | microblaze-* \
++	| m88110-* | m88k-* | maxq-* | mcore-* | metag-* \
++	| microblaze-* | microblazeel-* \
+ 	| mips-* | mipsbe-* | mipseb-* | mipsel-* | mipsle-* \
+ 	| mips16-* \
+ 	| mips64-* | mips64el-* \
+@@ -382,24 +414,26 @@ case $basic_machine in
+ 	| nds32-* | nds32le-* | nds32be-* \
+ 	| nios-* | nios2-* \
+ 	| none-* | np1-* | ns16k-* | ns32k-* \
++	| open8-* \
+ 	| orion-* \
+ 	| pdp10-* | pdp11-* | pj-* | pjl-* | pn-* | power-* \
+-	| powerpc-* | powerpc64-* | powerpc64le-* | powerpcle-* | ppcbe-* \
++	| powerpc-* | powerpc64-* | powerpc64le-* | powerpcle-* \
+ 	| pyramid-* \
+-	| romp-* | rs6000-* | rx-* \
++	| rl78-* | romp-* | rs6000-* | rx-* \
+ 	| sh-* | sh[1234]-* | sh[24]a-* | sh[24]aeb-* | sh[23]e-* | sh[34]eb-* | sheb-* | shbe-* \
+ 	| shle-* | sh[1234]le-* | sh3ele-* | sh64-* | sh64le-* \
+ 	| sparc-* | sparc64-* | sparc64b-* | sparc64v-* | sparc86x-* | sparclet-* \
+ 	| sparclite-* \
+-	| sparcv8-* | sparcv9-* | sparcv9b-* | sparcv9v-* | strongarm-* | sv1-* | sx?-* \
+-	| tahoe-* | thumb-* \
++	| sparcv8-* | sparcv9-* | sparcv9b-* | sparcv9v-* | sv1-* | sx?-* \
++	| tahoe-* \
+ 	| tic30-* | tic4x-* | tic54x-* | tic55x-* | tic6x-* | tic80-* \
+-	| tile-* | tilegx-* \
++	| tile*-* \
+ 	| tron-* \
+ 	| ubicom32-* \
+-	| v850-* | v850e-* | vax-* \
++	| v850-* | v850e-* | v850e1-* | v850es-* | v850e2-* | v850e2v3-* \
++	| vax-* \
+ 	| we32k-* \
+-	| x86-* | x86_64-* | xc16x-* | xps100-* | xscale-* | xscalee[bl]-* \
++	| x86-* | x86_64-* | xc16x-* | xps100-* \
+ 	| xstormy16-* | xtensa*-* \
+ 	| ymp-* \
+ 	| z8k-* | z80-*)
+@@ -697,7 +731,6 @@ case $basic_machine in
+ 	i370-ibm* | ibm*)
+ 		basic_machine=i370-ibm
+ 		;;
+-# I'm not sure what "Sysv32" means.  Should this be sysv3.2?
+ 	i*86v32)
+ 		basic_machine=`echo $1 | sed -e 's/86.*/86-pc/'`
+ 		os=-sysv32
+@@ -755,9 +788,13 @@ case $basic_machine in
+ 		basic_machine=ns32k-utek
+ 		os=-sysv
+ 		;;
+-	microblaze)
++	microblaze*)
+ 		basic_machine=microblaze-xilinx
+ 		;;
++	mingw64)
++		basic_machine=x86_64-pc
++		os=-mingw64
++		;;
+ 	mingw32)
+ 		basic_machine=i386-pc
+ 		os=-mingw32
+@@ -794,10 +831,18 @@ case $basic_machine in
+ 	ms1-*)
+ 		basic_machine=`echo $basic_machine | sed -e 's/ms1-/mt-/'`
+ 		;;
++	msys)
++		basic_machine=i386-pc
++		os=-msys
++		;;
+ 	mvs)
+ 		basic_machine=i370-ibm
+ 		os=-mvs
+ 		;;
++	nacl)
++		basic_machine=le32-unknown
++		os=-nacl
++		;;
+ 	ncr3000)
+ 		basic_machine=i486-ncr
+ 		os=-sysv4
+@@ -950,9 +995,10 @@ case $basic_machine in
+ 		;;
+ 	power)	basic_machine=power-ibm
+ 		;;
+-	ppc)	basic_machine=powerpc-unknown
++	ppc | ppcbe)	basic_machine=powerpc-unknown
+ 		;;
+-	ppc-*)	basic_machine=powerpc-`echo $basic_machine | sed 's/^[^-]*-//'`
++	ppc-* | ppcbe-*)
++		basic_machine=powerpc-`echo $basic_machine | sed 's/^[^-]*-//'`
+ 		;;
+ 	ppcle | powerpclittle | ppc-le | powerpc-little)
+ 		basic_machine=powerpcle-unknown
+@@ -962,7 +1008,7 @@ case $basic_machine in
+ 		;;
+ 	ppc64)	basic_machine=powerpc64-unknown
+ 		;;
+-	ppc64-*) basic_machine=powerpc64-`echo $basic_machine | sed 's/^[^-]*-//'`
++	ppc64-* | ppc64p7-*) basic_machine=powerpc64-`echo $basic_machine | sed 's/^[^-]*-//'`
+ 		;;
+ 	ppc64le | powerpc64little | ppc64-le | powerpc64-little)
+ 		basic_machine=powerpc64le-unknown
+@@ -977,7 +1023,11 @@ case $basic_machine in
+ 		basic_machine=i586-unknown
+ 		os=-pw32
+ 		;;
+-	rdos)
++	rdos | rdos64)
++		basic_machine=x86_64-pc
++		os=-rdos
++		;;
++	rdos32)
+ 		basic_machine=i386-pc
+ 		os=-rdos
+ 		;;
+@@ -1046,6 +1096,9 @@ case $basic_machine in
+ 		basic_machine=i860-stratus
+ 		os=-sysv4
+ 		;;
++	strongarm-* | thumb-*)
++		basic_machine=arm-`echo $basic_machine | sed 's/^[^-]*-//'`
++		;;
+ 	sun2)
+ 		basic_machine=m68000-sun
+ 		;;
+@@ -1102,13 +1155,8 @@ case $basic_machine in
+ 		basic_machine=t90-cray
+ 		os=-unicos
+ 		;;
+-	# This must be matched before tile*.
+-	tilegx*)
+-		basic_machine=tilegx-unknown
+-		os=-linux-gnu
+-		;;
+ 	tile*)
+-		basic_machine=tile-unknown
++		basic_machine=$basic_machine-unknown
+ 		os=-linux-gnu
+ 		;;
+ 	tx39)
+@@ -1178,6 +1226,9 @@ case $basic_machine in
+ 	xps | xps100)
+ 		basic_machine=xps100-honeywell
+ 		;;
++	xscale-* | xscalee[bl]-*)
++		basic_machine=`echo $basic_machine | sed 's/^xscale/arm/'`
++		;;
+ 	ymp)
+ 		basic_machine=ymp-cray
+ 		os=-unicos
+@@ -1309,15 +1360,15 @@ case $os in
+ 	      | -nindy* | -vxsim* | -vxworks* | -ebmon* | -hms* | -mvs* \
+ 	      | -clix* | -riscos* | -uniplus* | -iris* | -rtu* | -xenix* \
+ 	      | -hiux* | -386bsd* | -knetbsd* | -mirbsd* | -netbsd* \
+-	      | -openbsd* | -solidbsd* \
++	      | -bitrig* | -openbsd* | -solidbsd* \
+ 	      | -ekkobsd* | -kfreebsd* | -freebsd* | -riscix* | -lynxos* \
+ 	      | -bosx* | -nextstep* | -cxux* | -aout* | -elf* | -oabi* \
+ 	      | -ptx* | -coff* | -ecoff* | -winnt* | -domain* | -vsta* \
+ 	      | -udi* | -eabi* | -lites* | -ieee* | -go32* | -aux* \
+ 	      | -chorusos* | -chorusrdb* | -cegcc* \
+-	      | -cygwin* | -pe* | -psos* | -moss* | -proelf* | -rtems* \
+-	      | -mingw32* | -linux-gnu* | -linux-android* \
+-	      | -linux-newlib* | -linux-uclibc* \
++	      | -cygwin* | -msys* | -pe* | -psos* | -moss* | -proelf* | -rtems* \
++	      | -mingw32* | -mingw64* | -linux-gnu* | -linux-android* \
++	      | -linux-newlib* | -linux-musl* | -linux-uclibc* \
+ 	      | -uxpv* | -beos* | -mpeix* | -udk* \
+ 	      | -interix* | -uwin* | -mks* | -rhapsody* | -darwin* | -opened* \
+ 	      | -openstep* | -oskit* | -conix* | -pw32* | -nonstopux* \
+@@ -1500,6 +1551,9 @@ case $basic_machine in
+ 	c4x-* | tic4x-*)
+ 		os=-coff
+ 		;;
++	hexagon-*)
++		os=-elf
++		;;
+ 	tic54x-*)
+ 		os=-coff
+ 		;;
+@@ -1527,9 +1581,6 @@ case $basic_machine in
+ 		;;
+ 	m68000-sun)
+ 		os=-sunos3
+-		# This also exists in the configure program, but was not the
+-		# default.
+-		# os=-sunos4
+ 		;;
+ 	m68*-cisco)
+ 		os=-aout
diff --git a/tar.spec b/tar.spec
index 822ac38..95d29c1 100644
--- a/tar.spec
+++ b/tar.spec
@@ -5,7 +5,7 @@ Summary: A GNU file archiving program
 Name: tar
 Epoch: 2
 Version: 1.26
-Release: 21%{?dist}
+Release: 22%{?dist}
 License: GPLv3+
 Group: Applications/Archiving
 URL: http://www.gnu.org/software/tar/
@@ -94,6 +94,10 @@ Patch13: tar-1.26-allow-extract-single-volume.patch
 # ~> upstream: 7b5e803963
 Patch14: tar-1.26-command-args.patch
 
+# Allow to build on aarch64 also
+# ~> #926610 (downstream)
+Patch15: tar-1.26-arm-config-sub-guess.patch
+
 # run "make check" by default
 %bcond_without check
 
@@ -141,6 +145,7 @@ the rmt package.
 %patch12 -p1 -b .pax-sparse-big-files
 %patch13 -p1 -b .extract-single-volume
 %patch14 -p1 -b .command-args
+%patch15 -p1 -b .arm-config-guess-sub
 
 autoreconf -v
 
@@ -197,6 +202,9 @@ fi
 %{_infodir}/tar.info*
 
 %changelog
+* Tue Mar 26 2013 Pavel Raiskup <praiskup@redhat.com> - 2:1.26-22
+- enable build for arm64 (#926610)
+
 * Tue Mar 19 2013 Pavel Raiskup <praiskup@redhat.com> - 2:1.26-21
 - allow extracting single volume from multi-volume archive (#919897)
 - usrmove: /bin/tar ~> /usr/bin/tar, selinux handling edit