diff --git a/config/config.guess b/config/config.guess
new file mode 100755
index 2055429..b79252d
*** a/config/config.guess
--- b/config/config.guess
***************
*** 2,8 ****
  # Attempt to guess a canonical system name.
  #   Copyright 1992-2013 Free Software Foundation, Inc.
  
! timestamp='2013-04-24'
  
  # 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
--- 2,8 ----
  # Attempt to guess a canonical system name.
  #   Copyright 1992-2013 Free Software Foundation, Inc.
  
! timestamp='2013-06-10'
  
  # 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
*************** UNAME_RELEASE=`(uname -r) 2>/dev/null` |
*** 132,137 ****
--- 132,158 ----
  UNAME_SYSTEM=`(uname -s) 2>/dev/null`  || UNAME_SYSTEM=unknown
  UNAME_VERSION=`(uname -v) 2>/dev/null` || UNAME_VERSION=unknown
  
+ case "${UNAME_SYSTEM}" in
+ Linux|GNU|GNU/*)
+ 	# If the system lacks a compiler, then just pick glibc.
+ 	# We could probably try harder.
+ 	LIBC=gnu
+ 
+ 	eval $set_cc_for_build
+ 	cat <<-EOF > $dummy.c
+ 	#include <features.h>
+ 	#if defined(__UCLIBC__)
+ 	LIBC=uclibc
+ 	#elif defined(__dietlibc__)
+ 	LIBC=dietlibc
+ 	#else
+ 	LIBC=gnu
+ 	#endif
+ 	EOF
+ 	eval `$CC_FOR_BUILD -E $dummy.c 2>/dev/null | grep '^LIBC'`
+ 	;;
+ esac
+ 
  # Note: order is significant - the case branches are not exclusive.
  
  case "${UNAME_MACHINE}:${UNAME_SYSTEM}:${UNAME_RELEASE}:${UNAME_VERSION}" in
*************** EOF
*** 853,873 ****
  	exit ;;
      *:GNU:*:*)
  	# the GNU system
! 	echo `echo ${UNAME_MACHINE}|sed -e 's,[-/].*$,,'`-unknown-gnu`echo ${UNAME_RELEASE}|sed -e 's,/.*$,,'`
  	exit ;;
      *:GNU/*:*:*)
  	# other systems with GNU libc and userland
! 	echo ${UNAME_MACHINE}-unknown-`echo ${UNAME_SYSTEM} | sed 's,^[^/]*/,,' | tr '[A-Z]' '[a-z]'``echo ${UNAME_RELEASE}|sed -e 's/[-(].*//'`-gnu
  	exit ;;
      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
--- 874,894 ----
  	exit ;;
      *:GNU:*:*)
  	# the GNU system
! 	echo `echo ${UNAME_MACHINE}|sed -e 's,[-/].*$,,'`-unknown-${LIBC}`echo ${UNAME_RELEASE}|sed -e 's,/.*$,,'`
  	exit ;;
      *:GNU/*:*:*)
  	# other systems with GNU libc and userland
! 	echo ${UNAME_MACHINE}-unknown-`echo ${UNAME_SYSTEM} | sed 's,^[^/]*/,,' | tr '[A-Z]' '[a-z]'``echo ${UNAME_RELEASE}|sed -e 's/[-(].*//'`-${LIBC}
  	exit ;;
      i*86:Minix:*:*)
  	echo ${UNAME_MACHINE}-pc-minix
  	exit ;;
      aarch64:Linux:*:*)
! 	echo ${UNAME_MACHINE}-unknown-linux-${LIBC}
  	exit ;;
      aarch64_be:Linux:*:*)
  	UNAME_MACHINE=aarch64_be
! 	echo ${UNAME_MACHINE}-unknown-linux-${LIBC}
  	exit ;;
      alpha:Linux:*:*)
  	case `sed -n '/^cpu model/s/^.*: \(.*\)/\1/p' < /proc/cpuinfo` in
*************** EOF
*** 880,946 ****
  	  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 ;;
      arc:Linux:*:* | arceb:Linux:*:*)
! 	echo ${UNAME_MACHINE}-unknown-linux-gnu
  	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 ${UNAME_MACHINE}-axis-linux-gnu
  	exit ;;
      crisv32:Linux:*:*)
! 	echo ${UNAME_MACHINE}-axis-linux-gnu
  	exit ;;
      frv:Linux:*:*)
! 	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
! 	#else
! 	#include <features.h>
! 	#ifdef __UCLIBC__
! 	LIBC=uclibc
! 	#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
  	exit ;;
      m32r*:Linux:*:*)
! 	echo ${UNAME_MACHINE}-unknown-linux-gnu
  	exit ;;
      m68*:Linux:*:*)
! 	echo ${UNAME_MACHINE}-unknown-linux-gnu
  	exit ;;
      mips:Linux:*:* | mips64:Linux:*:*)
  	eval $set_cc_for_build
--- 901,954 ----
  	  EV68*) UNAME_MACHINE=alphaev68 ;;
  	esac
  	objdump --private-headers /bin/sh | grep -q ld.so.1
! 	if test "$?" = 0 ; then LIBC="gnulibc1" ; fi
! 	echo ${UNAME_MACHINE}-unknown-linux-${LIBC}
  	exit ;;
      arc:Linux:*:* | arceb:Linux:*:*)
! 	echo ${UNAME_MACHINE}-unknown-linux-${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 ${UNAME_MACHINE}-unknown-linux-${LIBC}
  	else
  	    if echo __ARM_PCS_VFP | $CC_FOR_BUILD -E - 2>/dev/null \
  		| grep -q __ARM_PCS_VFP
  	    then
! 		echo ${UNAME_MACHINE}-unknown-linux-${LIBC}eabi
  	    else
! 		echo ${UNAME_MACHINE}-unknown-linux-${LIBC}eabihf
  	    fi
  	fi
  	exit ;;
      avr32*:Linux:*:*)
! 	echo ${UNAME_MACHINE}-unknown-linux-${LIBC}
  	exit ;;
      cris:Linux:*:*)
! 	echo ${UNAME_MACHINE}-axis-linux-${LIBC}
  	exit ;;
      crisv32:Linux:*:*)
! 	echo ${UNAME_MACHINE}-axis-linux-${LIBC}
  	exit ;;
      frv:Linux:*:*)
! 	echo ${UNAME_MACHINE}-unknown-linux-${LIBC}
  	exit ;;
      hexagon:Linux:*:*)
! 	echo ${UNAME_MACHINE}-unknown-linux-${LIBC}
  	exit ;;
      i*86:Linux:*:*)
! 	echo ${UNAME_MACHINE}-pc-linux-${LIBC}
  	exit ;;
      ia64:Linux:*:*)
! 	echo ${UNAME_MACHINE}-unknown-linux-${LIBC}
  	exit ;;
      m32r*:Linux:*:*)
! 	echo ${UNAME_MACHINE}-unknown-linux-${LIBC}
  	exit ;;
      m68*:Linux:*:*)
! 	echo ${UNAME_MACHINE}-unknown-linux-${LIBC}
  	exit ;;
      mips:Linux:*:* | mips64:Linux:*:*)
  	eval $set_cc_for_build
*************** EOF
*** 959,1017 ****
  	#endif
  EOF
  	eval `$CC_FOR_BUILD -E $dummy.c 2>/dev/null | grep '^CPU'`
! 	test x"${CPU}" != x && { echo "${CPU}-unknown-linux-gnu"; exit; }
  	;;
      or1k:Linux:*:*)
! 	echo ${UNAME_MACHINE}-unknown-linux-gnu
  	exit ;;
      or32:Linux:*:*)
! 	echo ${UNAME_MACHINE}-unknown-linux-gnu
  	exit ;;
      padre:Linux:*:*)
! 	echo sparc-unknown-linux-gnu
  	exit ;;
      parisc64:Linux:*:* | hppa64:Linux:*:*)
! 	echo hppa64-unknown-linux-gnu
  	exit ;;
      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 ;;
      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
  	exit ;;
      sh*:Linux:*:*)
! 	echo ${UNAME_MACHINE}-unknown-linux-gnu
  	exit ;;
      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:*:*)
- 	LIBC=gnu
- 	test -r /lib/libc.so && od -An -S13 /lib/libc.so | grep -q __uClibc_main && LIBC=uclibc
  	echo ${UNAME_MACHINE}-unknown-linux-${LIBC}
  	exit ;;
      xtensa*:Linux:*:*)
! 	echo ${UNAME_MACHINE}-unknown-linux-gnu
  	exit ;;
      i*86:DYNIX/ptx:4*:*)
  	# ptx 4.0 does uname -s correctly, with DYNIX/ptx in there.
--- 967,1029 ----
  	#endif
  EOF
  	eval `$CC_FOR_BUILD -E $dummy.c 2>/dev/null | grep '^CPU'`
! 	test x"${CPU}" != x && { echo "${CPU}-unknown-linux-${LIBC}"; exit; }
  	;;
      or1k:Linux:*:*)
! 	echo ${UNAME_MACHINE}-unknown-linux-${LIBC}
  	exit ;;
      or32:Linux:*:*)
! 	echo ${UNAME_MACHINE}-unknown-linux-${LIBC}
  	exit ;;
      padre:Linux:*:*)
! 	echo sparc-unknown-linux-${LIBC}
  	exit ;;
      parisc64:Linux:*:* | hppa64:Linux:*:*)
! 	echo hppa64-unknown-linux-${LIBC}
  	exit ;;
      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-${LIBC} ;;
! 	  PA8*) echo hppa2.0-unknown-linux-${LIBC} ;;
! 	  *)    echo hppa-unknown-linux-${LIBC} ;;
  	esac
  	exit ;;
      ppc64:Linux:*:*)
! 	echo powerpc64-unknown-linux-${LIBC}
  	exit ;;
      ppc:Linux:*:*)
! 	echo powerpc-unknown-linux-${LIBC}
! 	exit ;;
!     ppc64le:Linux:*:*)
! 	echo powerpc64le-unknown-linux-${LIBC}
! 	exit ;;
!     ppcle:Linux:*:*)
! 	echo powerpcle-unknown-linux-${LIBC}
  	exit ;;
      s390:Linux:*:* | s390x:Linux:*:*)
! 	echo ${UNAME_MACHINE}-ibm-linux-${LIBC}
  	exit ;;
      sh64*:Linux:*:*)
! 	echo ${UNAME_MACHINE}-unknown-linux-${LIBC}
  	exit ;;
      sh*:Linux:*:*)
! 	echo ${UNAME_MACHINE}-unknown-linux-${LIBC}
  	exit ;;
      sparc:Linux:*:* | sparc64:Linux:*:*)
! 	echo ${UNAME_MACHINE}-unknown-linux-${LIBC}
  	exit ;;
      tile*:Linux:*:*)
! 	echo ${UNAME_MACHINE}-unknown-linux-${LIBC}
  	exit ;;
      vax:Linux:*:*)
! 	echo ${UNAME_MACHINE}-dec-linux-${LIBC}
  	exit ;;
      x86_64:Linux:*:*)
  	echo ${UNAME_MACHINE}-unknown-linux-${LIBC}
  	exit ;;
      xtensa*:Linux:*:*)
! 	echo ${UNAME_MACHINE}-unknown-linux-${LIBC}
  	exit ;;
      i*86:DYNIX/ptx:4*:*)
  	# ptx 4.0 does uname -s correctly, with DYNIX/ptx in there.
*************** EOF
*** 1244,1262 ****
  	exit ;;
      *: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}
  	exit ;;
      *:procnto*:*:* | *:QNX:[0123456789]*:*)
--- 1256,1276 ----
  	exit ;;
      *:Darwin:*:*)
  	UNAME_PROCESSOR=`uname -p` || UNAME_PROCESSOR=unknown
! 	eval $set_cc_for_build
! 	if test "$UNAME_PROCESSOR" = unknown ; then
! 	    UNAME_PROCESSOR=powerpc
! 	fi
! 	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
! 		case $UNAME_PROCESSOR in
! 		    i386) UNAME_PROCESSOR=x86_64 ;;
! 		    powerpc) UNAME_PROCESSOR=powerpc64 ;;
! 		esac
! 	    fi
! 	fi
  	echo ${UNAME_PROCESSOR}-apple-darwin${UNAME_RELEASE}
  	exit ;;
      *:procnto*:*:* | *:QNX:[0123456789]*:*)
diff --git a/config/config.sub b/config/config.sub
new file mode 100755
index 8b612ab..9633db7
*** a/config/config.sub
--- b/config/config.sub
***************
*** 2,8 ****
  # Configuration validation subroutine script.
  #   Copyright 1992-2013 Free Software Foundation, Inc.
  
! timestamp='2013-04-24'
  
  # 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
--- 2,8 ----
  # Configuration validation subroutine script.
  #   Copyright 1992-2013 Free Software Foundation, Inc.
  
! timestamp='2013-08-10'
  
  # 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
*************** case $basic_machine in
*** 257,263 ****
  	| avr | avr32 \
  	| be32 | be64 \
  	| bfin \
! 	| c4x | clipper \
  	| d10v | d30v | dlx | dsp16xx \
  	| epiphany \
  	| fido | fr30 | frv \
--- 257,263 ----
  	| avr | avr32 \
  	| be32 | be64 \
  	| bfin \
! 	| c4x | c8051 | clipper \
  	| d10v | d30v | dlx | dsp16xx \
  	| epiphany \
  	| fido | fr30 | frv \
*************** case $basic_machine in
*** 372,378 ****
  	| be32-* | be64-* \
  	| bfin-* | bs2000-* \
  	| c[123]* | c30-* | [cjt]90-* | c4x-* \
! 	| clipper-* | craynv-* | cydra-* \
  	| d10v-* | d30v-* | dlx-* \
  	| elxsi-* \
  	| f30[01]-* | f700-* | fido-* | fr30-* | frv-* | fx80-* \
--- 372,378 ----
  	| be32-* | be64-* \
  	| bfin-* | bs2000-* \
  	| c[123]* | c30-* | [cjt]90-* | c4x-* \
! 	| c8051-* | clipper-* | craynv-* | cydra-* \
  	| d10v-* | d30v-* | dlx-* \
  	| elxsi-* \
  	| f30[01]-* | f700-* | fido-* | fr30-* | frv-* | fx80-* \
*************** case $basic_machine in
*** 794,800 ****
  		os=-mingw64
  		;;
  	mingw32)
! 		basic_machine=i386-pc
  		os=-mingw32
  		;;
  	mingw32ce)
--- 794,800 ----
  		os=-mingw64
  		;;
  	mingw32)
! 		basic_machine=i686-pc
  		os=-mingw32
  		;;
  	mingw32ce)
*************** case $basic_machine in
*** 830,836 ****
  		basic_machine=`echo $basic_machine | sed -e 's/ms1-/mt-/'`
  		;;
  	msys)
! 		basic_machine=i386-pc
  		os=-msys
  		;;
  	mvs)
--- 830,836 ----
  		basic_machine=`echo $basic_machine | sed -e 's/ms1-/mt-/'`
  		;;
  	msys)
! 		basic_machine=i686-pc
  		os=-msys
  		;;
  	mvs)
*************** case $basic_machine in
*** 1546,1551 ****
--- 1546,1554 ----
  	c4x-* | tic4x-*)
  		os=-coff
  		;;
+ 	c8051-*)
+ 		os=-elf
+ 		;;
  	hexagon-*)
  		os=-elf
  		;;