jussilehtola pushed to potrace (el6). "Support aarch64."

notifications at fedoraproject.org notifications at fedoraproject.org
Wed Mar 25 00:40:49 UTC 2015


>From 9a54bd0b7aefaccddbc5bfa79e438d01cf08b62d Mon Sep 17 00:00:00 2001
From: Susi Lehtola <jussilehtola at fedoraproject.org>
Date: Wed, 15 May 2013 01:02:27 +0300
Subject: Support aarch64.


diff --git a/potrace-1.11-autoconf.diff b/potrace-1.11-autoconf.diff
new file mode 100644
index 0000000..4df1f69
--- /dev/null
+++ b/potrace-1.11-autoconf.diff
@@ -0,0 +1,3146 @@
+diff -u -Naur potrace-1.11/config.guess potrace-1.11-patched/config.guess
+--- potrace-1.11/config.guess	2010-11-04 23:08:34.000000000 -0300
++++ potrace-1.11-patched/config.guess	2013-05-14 17:54:51.359873528 -0300
+@@ -1,10 +1,10 @@
+ #! /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, 2007, 2008, 2009
+-#   Free Software Foundation, Inc.
++#   2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010,
++#   2011, 2012 Free Software Foundation, Inc.
+ 
+-timestamp='2009-06-10'
++timestamp='2012-02-10'
+ 
+ # 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
+@@ -17,9 +17,7 @@
+ # 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
+@@ -27,16 +25,16 @@
+ # the same distribution terms that you use for the rest of that program.
+ 
+ 
+-# Originally written by Per Bothner <per at bothner.com>.
+-# Please send patches to <config-patches at gnu.org>.  Submit a context
+-# diff and a properly formatted ChangeLog entry.
++# Originally written by Per Bothner.  Please send patches (context
++# diff format) to <config-patches at gnu.org> and include a ChangeLog
++# entry.
+ #
+ # 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.
+ #
+-# The plan is that this can be called by configure scripts if you
+-# don't specify an explicit build system type.
++# 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
+ 
+ me=`echo "$0" | sed -e 's,.*/,,'`
+ 
+@@ -56,8 +54,9 @@
+ GNU config.guess ($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 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
++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 +143,7 @@
+ 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
+@@ -180,7 +179,7 @@
+ 		fi
+ 		;;
+ 	    *)
+-	        os=netbsd
++		os=netbsd
+ 		;;
+ 	esac
+ 	# The OS release
+@@ -223,7 +222,7 @@
+ 		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
+@@ -269,7 +268,10 @@
+ 	# 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 $exitcode ;;
+     Alpha\ *:Windows_NT*:*)
+ 	# How do we know it's Interix rather than the generic POSIX subsystem?
+ 	# Should we change UNAME_MACHINE based on the output of uname instead
+@@ -295,7 +297,7 @@
+ 	echo s390-ibm-zvmoe
+ 	exit ;;
+     *:OS400:*:*)
+-        echo powerpc-ibm-os400
++	echo powerpc-ibm-os400
+ 	exit ;;
+     arm:RISC*:1.[012]*:*|arm:riscix:1.[012]*:*)
+ 	echo arm-acorn-riscix${UNAME_RELEASE}
+@@ -333,6 +335,9 @@
+     sun4*:SunOS:5.*:* | tadpole*:SunOS:5.*:*)
+ 	echo sparc-sun-solaris2`echo ${UNAME_RELEASE}|sed -e 's/[^.]*//'`
+ 	exit ;;
++    i86pc:AuroraUX:5.*:* | i86xen:AuroraUX:5.*:*)
++	echo i386-pc-auroraux${UNAME_RELEASE}
++	exit ;;
+     i86pc:SunOS:5.*:* | i86xen:SunOS:5.*:*)
+ 	eval $set_cc_for_build
+ 	SUN_ARCH="i386"
+@@ -391,23 +396,23 @@
+     # MiNT.  But MiNT is downward compatible to TOS, so this should
+     # be no problem.
+     atarist[e]:*MiNT:*:* | atarist[e]:*mint:*:* | atarist[e]:*TOS:*:*)
+-        echo m68k-atari-mint${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 ;;
+@@ -477,8 +482,8 @@
+ 	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 [ ${TARGET_BINARY_INTERFACE}x = m88kdguxelfx ] || \
+@@ -491,7 +496,7 @@
+ 	else
+ 	    echo i586-dg-dgux${UNAME_RELEASE}
+ 	fi
+- 	exit ;;
++	exit ;;
+     M88*:DolphinOS:*:*)	# DolphinOS (SVR3)
+ 	echo m88k-dolphin-sysv3
+ 	exit ;;
+@@ -548,7 +553,7 @@
+ 		echo rs6000-ibm-aix3.2
+ 	fi
+ 	exit ;;
+-    *:AIX:*:[456])
++    *:AIX:*:[4567])
+ 	IBM_CPU_ID=`/usr/sbin/lsdev -C -c processor -S available | sed 1q | awk '{ print $1 }'`
+ 	if /usr/sbin/lsattr -El ${IBM_CPU_ID} | grep ' POWER' >/dev/null 2>&1; then
+ 		IBM_ARCH=rs6000
+@@ -591,52 +596,52 @@
+ 	    9000/[678][0-9][0-9])
+ 		if [ -x /usr/bin/getconf ]; then
+ 		    sc_cpu_version=`/usr/bin/getconf SC_CPU_VERSION 2>/dev/null`
+-                    sc_kernel_bits=`/usr/bin/getconf SC_KERNEL_BITS 2>/dev/null`
+-                    case "${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 <stdlib.h>
++		#include <unistd.h>
++
++		int main ()
++		{
++		#if defined(_SC_KERNEL_BITS)
++		    long bits = sysconf(_SC_KERNEL_BITS);
++		#endif
++		    long cpu  = sysconf (_SC_CPU_VERSION);
+ 
+-              #define _HPUX_SOURCE
+-              #include <stdlib.h>
+-              #include <unistd.h>
+-
+-              int main ()
+-              {
+-              #if defined(_SC_KERNEL_BITS)
+-                  long bits = sysconf(_SC_KERNEL_BITS);
+-              #endif
+-                  long cpu  = sysconf (_SC_CPU_VERSION);
+-
+-                  switch (cpu)
+-              	{
+-              	case CPU_PA_RISC1_0: puts ("hppa1.0"); break;
+-              	case CPU_PA_RISC1_1: puts ("hppa1.1"); break;
+-              	case CPU_PA_RISC2_0:
+-              #if defined(_SC_KERNEL_BITS)
+-              	    switch (bits)
+-              		{
+-              		case 64: puts ("hppa2.0w"); break;
+-              		case 32: puts ("hppa2.0n"); break;
+-              		default: puts ("hppa2.0"); break;
+-              		} break;
+-              #else  /* !defined(_SC_KERNEL_BITS) */
+-              	    puts ("hppa2.0"); break;
+-              #endif
+-              	default: puts ("hppa1.0"); break;
+-              	}
+-                  exit (0);
+-              }
++		    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 "$HP_ARCH" && HP_ARCH=hppa
+@@ -727,22 +732,22 @@
+ 	exit ;;
+     C1*:ConvexOS:*:* | convex:ConvexOS:C1*:*)
+ 	echo c1-convex-bsd
+-        exit ;;
++	exit ;;
+     C2*:ConvexOS:*:* | convex:ConvexOS:C2*:*)
+ 	if getsysinfo -f scalar_acc
+ 	then echo c32-convex-bsd
+ 	else echo c2-convex-bsd
+ 	fi
+-        exit ;;
++	exit ;;
+     C34*:ConvexOS:*:* | convex:ConvexOS:C34*:*)
+ 	echo c34-convex-bsd
+-        exit ;;
++	exit ;;
+     C38*:ConvexOS:*:* | convex:ConvexOS:C38*:*)
+ 	echo c38-convex-bsd
+-        exit ;;
++	exit ;;
+     C4*:ConvexOS:*:* | convex:ConvexOS:C4*:*)
+ 	echo c4-convex-bsd
+-        exit ;;
++	exit ;;
+     CRAY*Y-MP:*:*:*)
+ 	echo ymp-cray-unicos${UNAME_RELEASE} | sed -e 's/\.[^.]*$/.X/'
+ 	exit ;;
+@@ -766,14 +771,14 @@
+ 	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}
+@@ -785,13 +790,12 @@
+ 	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*:*)
+@@ -800,19 +804,22 @@
+     *: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 ;;
+-    *:Interix*:[3456]*)
+-    	case ${UNAME_MACHINE} in
++    *:Interix*:*)
++	case ${UNAME_MACHINE} in
+ 	    x86)
+ 		echo i586-pc-interix${UNAME_RELEASE}
+ 		exit ;;
+-	    EM64T | authenticamd | genuineintel)
++	    authenticamd | genuineintel | EM64T)
+ 		echo x86_64-unknown-interix${UNAME_RELEASE}
+ 		exit ;;
+ 	    IA64)
+@@ -854,6 +861,27 @@
+     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 ;;
++	  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 \
+@@ -861,20 +889,40 @@
+ 	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
++	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 ${UNAME_MACHINE}-unknown-linux-gnu
+@@ -901,39 +949,18 @@
+ 	#endif
+ 	#endif
+ EOF
+-	eval "`$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
+-	exit ;;
+-    ppc64:Linux:*:*)
+-	echo powerpc64-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}
++	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
+@@ -942,14 +969,17 @@
+ 	  *)    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
+@@ -957,67 +987,18 @@
+     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
++	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"
+-		;;
+-	esac
+-	# Determine whether the default compiler is a.out or elf
+-	eval $set_cc_for_build
+-	sed 's/^	//' << EOF >$dummy.c
+-	#include <features.h>
+-	#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
+@@ -1025,11 +1006,11 @@
+ 	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:*:*)
+@@ -1061,7 +1042,7 @@
+ 	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 ;;
+@@ -1089,13 +1070,13 @@
+ 	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 i586.
++	# 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 ;;
++	exit ;;
+     Intel:Mach:3*:*)
+ 	echo i386-pc-mach3
+ 	exit ;;
+@@ -1130,8 +1111,8 @@
+ 	/bin/uname -p 2>/dev/null | /bin/grep entium >/dev/null \
+ 	  && { echo i586-ncr-sysv4.3${OS_REL}; exit; } ;;
+     3[34]??:*:4.0:* | 3[34]??,*:*:4.0:*)
+-        /bin/uname -p 2>/dev/null | grep 86 >/dev/null \
+-          && { echo i486-ncr-sysv4; exit; } ;;
++	/bin/uname -p 2>/dev/null | grep 86 >/dev/null \
++	  && { echo i486-ncr-sysv4; exit; } ;;
+     NCR*:*:4.2:* | MPRAS*:*:4.2:*)
+ 	OS_REL='.3'
+ 	test -r /etc/.relid \
+@@ -1174,10 +1155,10 @@
+ 		echo ns32k-sni-sysv
+ 	fi
+ 	exit ;;
+-    PENTIUM:*:4.0*:*) # Unisys `ClearPath HMP IX 4000' SVR4/MP effort
+-                      # says <Richard.M.Bartel at ccMail.Census.GOV>
+-        echo i586-unisys-sysv4
+-        exit ;;
++    PENTIUM:*:4.0*:*)	# Unisys `ClearPath HMP IX 4000' SVR4/MP effort
++			# says <Richard.M.Bartel at ccMail.Census.GOV>
++	echo i586-unisys-sysv4
++	exit ;;
+     *:UNIX_System_V:4*:FTX*)
+ 	# From Gerald Hewes <hewes at openmarket.com>.
+ 	# How about differentiating between stratus architectures? -djm
+@@ -1203,11 +1184,11 @@
+ 	exit ;;
+     R[34]000:*System_V*:*:* | R4000:UNIX_SYSV:*:* | R*000:UNIX_SV:*:*)
+ 	if [ -d /usr/nec ]; then
+-	        echo mips-nec-sysv${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 ;;
+@@ -1247,6 +1228,16 @@
+     *: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}
+@@ -1262,6 +1253,9 @@
+     *:QNX:*:4*)
+ 	echo i386-pc-qnx
+ 	exit ;;
++    NEO-?:NONSTOP_KERNEL:*:*)
++	echo neo-tandem-nsk${UNAME_RELEASE}
++	exit ;;
+     NSE-?:NONSTOP_KERNEL:*:*)
+ 	echo nse-tandem-nsk${UNAME_RELEASE}
+ 	exit ;;
+@@ -1307,13 +1301,13 @@
+ 	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 ;;
+@@ -1331,6 +1325,9 @@
+     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
+@@ -1353,11 +1350,11 @@
+ #include <sys/param.h>
+   printf ("m68k-sony-newsos%s\n",
+ #ifdef NEWSOS4
+-          "4"
++	"4"
+ #else
+-	  ""
++	""
+ #endif
+-         ); exit (0);
++	); exit (0);
+ #endif
+ #endif
+ 
+diff -u -Naur potrace-1.11/config.sub potrace-1.11-patched/config.sub
+--- potrace-1.11/config.sub	2010-11-04 23:08:34.000000000 -0300
++++ potrace-1.11-patched/config.sub	2013-05-14 17:54:51.363873585 -0300
+@@ -1,10 +1,10 @@
+ #! /bin/sh
+ # Configuration validation subroutine script.
+ #   Copyright (C) 1992, 1993, 1994, 1995, 1996, 1997, 1998, 1999,
+-#   2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009
+-#   Free Software Foundation, Inc.
++#   2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010,
++#   2011, 2012 Free Software Foundation, Inc.
+ 
+-timestamp='2009-06-11'
++timestamp='2012-04-18'
+ 
+ # This file is (in principle) common to ALL GNU software.
+ # The presence of a machine in this file suggests that SOME GNU software
+@@ -21,9 +21,7 @@
+ # 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
+@@ -32,13 +30,16 @@
+ 
+ 
+ # Please send patches to <config-patches at gnu.org>.  Submit a context
+-# diff and a properly formatted ChangeLog entry.
++# diff and a properly formatted GNU ChangeLog entry.
+ #
+ # 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 +73,9 @@
+ version="\
+ GNU config.sub ($timestamp)
+ 
+-Copyright (C) 1992, 1993, 1994, 1995, 1996, 1997, 1998, 1999, 2000, 2001,
+-2002, 2003, 2004, 2005, 2006, 2007, 2008 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
++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."
+@@ -120,13 +122,18 @@
+ # Here we must recognize all the valid KERNEL-OS combinations.
+ maybe_os=`echo $1 | sed 's/^\(.*\)-\([^-]*-[^-]*\)$/\2/'`
+ case $maybe_os in
+-  nto-qnx* | linux-gnu* | linux-dietlibc | linux-newlib* | linux-uclibc* | \
+-  uclinux-uclibc* | uclinux-gnu* | kfreebsd*-gnu* | knetbsd*-gnu* | netbsd*-gnu* | \
++  nto-qnx* | linux-gnu* | linux-android* | linux-dietlibc | linux-newlib* | \
++  linux-uclibc* | uclinux-uclibc* | uclinux-gnu* | kfreebsd*-gnu* | \
++  knetbsd*-gnu* | netbsd*-gnu* | \
+   kopensolaris*-gnu* | \
+   storm-chaos* | os2-emx* | rtmk-nova*)
+     os=-$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 ]
+@@ -149,12 +156,12 @@
+ 	-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)
++	-apple | -axis | -knuth | -cray | -microblaze)
+ 		os=
+ 		basic_machine=$1
+ 		;;
+-        -bluegene*)
+-	        os=-cnk
++	-bluegene*)
++		os=-cnk
+ 		;;
+ 	-sim | -cisco | -oki | -wec | -winbond)
+ 		os=
+@@ -170,10 +177,10 @@
+ 		os=-chorusos
+ 		basic_machine=$1
+ 		;;
+- 	-chorusrdb)
+- 		os=-chorusrdb
++	-chorusrdb)
++		os=-chorusrdb
+ 		basic_machine=$1
+- 		;;
++		;;
+ 	-hiux*)
+ 		os=-hiuxwe2
+ 		;;
+@@ -218,6 +225,12 @@
+ 	-isc*)
+ 		basic_machine=`echo $1 | sed -e 's/86-.*/86-pc/'`
+ 		;;
++	-lynx*178)
++		os=-lynxos178
++		;;
++	-lynx*5)
++		os=-lynxos5
++		;;
+ 	-lynx*)
+ 		os=-lynxos
+ 		;;
+@@ -242,17 +255,22 @@
+ 	# Some are omitted here because they have special meanings below.
+ 	1750a | 580 \
+ 	| a29k \
++	| aarch64 | aarch64_be \
+ 	| alpha | alphaev[4-8] | alphaev56 | alphaev6[78] | alphapca5[67] \
+ 	| alpha64 | alpha64ev[4-8] | alpha64ev56 | alpha64ev6[78] | alpha64pca5[67] \
+ 	| am33_2.0 \
+ 	| arc | arm | arm[bl]e | arme[lb] | armv[2345] | armv[345][lb] | avr | avr32 \
++        | be32 | be64 \
+ 	| bfin \
+ 	| c4x | clipper \
+ 	| d10v | d30v | dlx | dsp16xx \
++	| epiphany \
+ 	| fido | fr30 | frv \
+ 	| h8300 | h8500 | hppa | hppa1.[01] | hppa2.0 | hppa2.0[nw] | hppa64 \
++	| hexagon \
+ 	| i370 | i860 | i960 | ia64 \
+ 	| ip2k | iq2000 \
++	| le32 | le64 \
+ 	| lm32 \
+ 	| m32c | m32r | m32rle | m68000 | m68k | m88k \
+ 	| maxq | mb | microblaze | mcore | mep | metag \
+@@ -278,27 +296,39 @@
+ 	| moxie \
+ 	| mt \
+ 	| msp430 \
++	| nds32 | nds32le | nds32be \
+ 	| nios | nios2 \
+ 	| ns16k | ns32k \
++	| open8 \
+ 	| or32 \
+ 	| pdp10 | pdp11 | pj | pjl \
+-	| powerpc | powerpc64 | powerpc64le | powerpcle | ppcbe \
++	| powerpc | powerpc64 | powerpc64le | powerpcle \
+ 	| pyramid \
++	| rl78 | rx \
+ 	| score \
+ 	| sh | sh[1234] | sh[24]a | sh[24]aeb | sh[23]e | sh[34]eb | sheb | shbe | shle | sh[1234]le | sh3ele \
+ 	| sh64 | sh64le \
+ 	| sparc | sparc64 | sparc64b | sparc64v | sparc86x | sparclet | sparclite \
+ 	| sparcv8 | sparcv9 | sparcv9b | sparcv9v \
+-	| spu | strongarm \
+-	| tahoe | thumb | tic4x | tic80 | tron \
+-	| v850 | v850e \
++	| spu \
++	| tahoe | tic4x | tic54x | tic55x | tic6x | tic80 | tron \
++	| ubicom32 \
++	| v850 | v850e | v850e1 | v850e2 | v850es | v850e2v3 \
+ 	| we32k \
+-	| x86 | xc16x | xscale | xscalee[bl] | xstormy16 | xtensa \
++	| x86 | xc16x | xstormy16 | xtensa \
+ 	| z8k | z80)
+ 		basic_machine=$basic_machine-unknown
+ 		;;
+-	m6811 | m68hc11 | m6812 | m68hc12)
+-		# Motorola 68HC11/12.
++	c54x)
++		basic_machine=tic54x-unknown
++		;;
++	c55x)
++		basic_machine=tic55x-unknown
++		;;
++	c6x)
++		basic_machine=tic6x-unknown
++		;;
++	m6811 | m68hc11 | m6812 | m68hc12 | m68hcs12x | picochip)
+ 		basic_machine=$basic_machine-unknown
+ 		os=-none
+ 		;;
+@@ -308,6 +338,21 @@
+ 		basic_machine=mt-unknown
+ 		;;
+ 
++	strongarm | thumb | xscale)
++		basic_machine=arm-unknown
++		;;
++	xgate)
++		basic_machine=$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.
+@@ -322,25 +367,29 @@
+ 	# 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-* | c54x-* | c55x-* | c6x-* \
++	| c[123]* | c30-* | [cjt]90-* | c4x-* \
+ 	| clipper-* | craynv-* | cydra-* \
+ 	| d10v-* | d30v-* | dlx-* \
+ 	| elxsi-* \
+ 	| 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-* \
++	| m88110-* | m88k-* | maxq-* | mcore-* | metag-* | microblaze-* \
+ 	| mips-* | mipsbe-* | mipseb-* | mipsel-* | mipsle-* \
+ 	| mips16-* \
+ 	| mips64-* | mips64el-* \
+@@ -362,24 +411,29 @@
+ 	| mmix-* \
+ 	| mt-* \
+ 	| msp430-* \
++	| 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-* \
++	| 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-* \
+-	| tic30-* | tic4x-* | tic54x-* | tic55x-* | tic6x-* | tic80-* | tile-* \
++	| sparcv8-* | sparcv9-* | sparcv9b-* | sparcv9v-* | sv1-* | sx?-* \
++	| tahoe-* \
++	| tic30-* | tic4x-* | tic54x-* | tic55x-* | tic6x-* | tic80-* \
++	| tile*-* \
+ 	| tron-* \
+-	| v850-* | v850e-* | vax-* \
++	| ubicom32-* \
++	| 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-*)
+@@ -404,7 +458,7 @@
+ 		basic_machine=a29k-amd
+ 		os=-udi
+ 		;;
+-    	abacus)
++	abacus)
+ 		basic_machine=abacus-unknown
+ 		;;
+ 	adobe68k)
+@@ -474,11 +528,20 @@
+ 		basic_machine=powerpc-ibm
+ 		os=-cnk
+ 		;;
++	c54x-*)
++		basic_machine=tic54x-`echo $basic_machine | sed 's/^[^-]*-//'`
++		;;
++	c55x-*)
++		basic_machine=tic55x-`echo $basic_machine | sed 's/^[^-]*-//'`
++		;;
++	c6x-*)
++		basic_machine=tic6x-`echo $basic_machine | sed 's/^[^-]*-//'`
++		;;
+ 	c90)
+ 		basic_machine=c90-cray
+ 		os=-unicos
+ 		;;
+-        cegcc)
++	cegcc)
+ 		basic_machine=arm-unknown
+ 		os=-cegcc
+ 		;;
+@@ -510,7 +573,7 @@
+ 		basic_machine=craynv-cray
+ 		os=-unicosmp
+ 		;;
+-	cr16)
++	cr16 | cr16-*)
+ 		basic_machine=cr16-unknown
+ 		os=-elf
+ 		;;
+@@ -668,7 +731,6 @@
+ 	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
+@@ -726,6 +788,9 @@
+ 		basic_machine=ns32k-utek
+ 		os=-sysv
+ 		;;
++	microblaze)
++		basic_machine=microblaze-xilinx
++		;;
+ 	mingw32)
+ 		basic_machine=i386-pc
+ 		os=-mingw32
+@@ -762,10 +827,18 @@
+ 	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
+@@ -830,6 +903,12 @@
+ 	np1)
+ 		basic_machine=np1-gould
+ 		;;
++	neo-tandem)
++		basic_machine=neo-tandem
++		;;
++	nse-tandem)
++		basic_machine=nse-tandem
++		;;
+ 	nsr-tandem)
+ 		basic_machine=nsr-tandem
+ 		;;
+@@ -912,9 +991,10 @@
+ 		;;
+ 	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
+@@ -1008,6 +1088,9 @@
+ 		basic_machine=i860-stratus
+ 		os=-sysv4
+ 		;;
++	strongarm-* | thumb-*)
++		basic_machine=arm-`echo $basic_machine | sed 's/^[^-]*-//'`
++		;;
+ 	sun2)
+ 		basic_machine=m68000-sun
+ 		;;
+@@ -1064,20 +1147,8 @@
+ 		basic_machine=t90-cray
+ 		os=-unicos
+ 		;;
+-	tic54x | c54x*)
+-		basic_machine=tic54x-unknown
+-		os=-coff
+-		;;
+-	tic55x | c55x*)
+-		basic_machine=tic55x-unknown
+-		os=-coff
+-		;;
+-	tic6x | c6x*)
+-		basic_machine=tic6x-unknown
+-		os=-coff
+-		;;
+ 	tile*)
+-		basic_machine=tile-unknown
++		basic_machine=$basic_machine-unknown
+ 		os=-linux-gnu
+ 		;;
+ 	tx39)
+@@ -1147,6 +1218,9 @@
+ 	xps | xps100)
+ 		basic_machine=xps100-honeywell
+ 		;;
++	xscale-* | xscalee[bl]-*)
++		basic_machine=`echo $basic_machine | sed 's/^xscale/arm/'`
++		;;
+ 	ymp)
+ 		basic_machine=ymp-cray
+ 		os=-unicos
+@@ -1244,9 +1318,12 @@
+ if [ x"$os" != x"" ]
+ then
+ case $os in
+-        # First match some system type aliases
+-        # that might get confused with valid system types.
++	# First match some system type aliases
++	# that might get confused with valid system types.
+ 	# -solaris* is a basic system type, with this one exception.
++	-auroraux)
++		os=-auroraux
++		;;
+ 	-solaris1 | -solaris1.*)
+ 		os=`echo $os | sed -e 's|solaris1|sunos4|'`
+ 		;;
+@@ -1268,8 +1345,8 @@
+ 	# -sysv* is not here because it comes later, after sysvr4.
+ 	-gnu* | -bsd* | -mach* | -minix* | -genix* | -ultrix* | -irix* \
+ 	      | -*vms* | -sco* | -esix* | -isc* | -aix* | -cnk* | -sunos | -sunos[34]*\
+-	      | -hpux* | -unos* | -osf* | -luna* | -dgux* | -solaris* | -sym* \
+-	      | -kopensolaris* \
++	      | -hpux* | -unos* | -osf* | -luna* | -dgux* | -auroraux* | -solaris* \
++	      | -sym* | -kopensolaris* \
+ 	      | -amigaos* | -amigados* | -msdos* | -newsos* | -unicos* | -aof* \
+ 	      | -aos* | -aros* \
+ 	      | -nindy* | -vxsim* | -vxworks* | -ebmon* | -hms* | -mvs* \
+@@ -1281,8 +1358,9 @@
+ 	      | -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-newlib* | -linux-uclibc* \
++	      | -cygwin* | -msys* | -pe* | -psos* | -moss* | -proelf* | -rtems* \
++	      | -mingw32* | -linux-gnu* | -linux-android* \
++	      | -linux-newlib* | -linux-uclibc* \
+ 	      | -uxpv* | -beos* | -mpeix* | -udk* \
+ 	      | -interix* | -uwin* | -mks* | -rhapsody* | -darwin* | -opened* \
+ 	      | -openstep* | -oskit* | -conix* | -pw32* | -nonstopux* \
+@@ -1290,7 +1368,7 @@
+ 	      | -os2* | -vos* | -palmos* | -uclinux* | -nucleus* \
+ 	      | -morphos* | -superux* | -rtmk* | -rtmk-nova* | -windiss* \
+ 	      | -powermax* | -dnix* | -nx6 | -nx7 | -sei* | -dragonfly* \
+-	      | -skyos* | -haiku* | -rdos* | -toppers* | -drops*)
++	      | -skyos* | -haiku* | -rdos* | -toppers* | -drops* | -es*)
+ 	# Remember, each alternative MUST END IN *, to match a version number.
+ 		;;
+ 	-qnx*)
+@@ -1329,7 +1407,7 @@
+ 	-opened*)
+ 		os=-openedition
+ 		;;
+-        -os400*)
++	-os400*)
+ 		os=-os400
+ 		;;
+ 	-wince*)
+@@ -1378,7 +1456,7 @@
+ 	-sinix*)
+ 		os=-sysv4
+ 		;;
+-        -tpf*)
++	-tpf*)
+ 		os=-tpf
+ 		;;
+ 	-triton*)
+@@ -1423,6 +1501,8 @@
+ 	-dicos*)
+ 		os=-dicos
+ 		;;
++	-nacl*)
++		;;
+ 	-none)
+ 		;;
+ 	*)
+@@ -1445,10 +1525,10 @@
+ # system, and we'll never get to this point.
+ 
+ case $basic_machine in
+-        score-*)
++	score-*)
+ 		os=-elf
+ 		;;
+-        spu-*)
++	spu-*)
+ 		os=-elf
+ 		;;
+ 	*-acorn)
+@@ -1460,8 +1540,20 @@
+ 	arm*-semi)
+ 		os=-aout
+ 		;;
+-        c4x-* | tic4x-*)
+-        	os=-coff
++	c4x-* | tic4x-*)
++		os=-coff
++		;;
++	hexagon-*)
++		os=-elf
++		;;
++	tic54x-*)
++		os=-coff
++		;;
++	tic55x-*)
++		os=-coff
++		;;
++	tic6x-*)
++		os=-coff
+ 		;;
+ 	# This must come before the *-dec entry.
+ 	pdp10-*)
+@@ -1481,14 +1573,11 @@
+ 		;;
+ 	m68000-sun)
+ 		os=-sunos3
+-		# This also exists in the configure program, but was not the
+-		# default.
+-		# os=-sunos4
+ 		;;
+ 	m68*-cisco)
+ 		os=-aout
+ 		;;
+-        mep-*)
++	mep-*)
+ 		os=-elf
+ 		;;
+ 	mips*-cisco)
+@@ -1515,7 +1604,7 @@
+ 	*-ibm)
+ 		os=-aix
+ 		;;
+-    	*-knuth)
++	*-knuth)
+ 		os=-mmixware
+ 		;;
+ 	*-wec)
+diff -u -Naur potrace-1.11/configure potrace-1.11-patched/configure
+--- potrace-1.11/configure	2013-02-19 20:49:06.000000000 -0400
++++ potrace-1.11-patched/configure	2013-05-14 17:54:49.727852223 -0300
+@@ -1415,7 +1415,7 @@
+   --with-PACKAGE[=ARG]    use PACKAGE [ARG=yes]
+   --without-PACKAGE       do not use PACKAGE (same as --with-PACKAGE=no)
+   --with-libpotrace       install Potrace library and headers [default=no]
+-  --with-pic              try to use only PIC/non-PIC objects [default=use
++  --with-pic[=PKGS]       try to use only PIC/non-PIC objects [default=use
+                           both]
+   --with-gnu-ld           assume the C compiler uses GNU ld [default=no]
+   --with-sysroot=DIR Search for dependent libraries within DIR
+@@ -4954,6 +4954,11 @@
+     lt_cv_sys_max_cmd_len=196608
+     ;;
+ 
++  os2*)
++    # The test takes a long time on OS/2.
++    lt_cv_sys_max_cmd_len=8192
++    ;;
++
+   osf*)
+     # Dr. Hans Ekkehard Plesser reports seeing a kernel panic running configure
+     # due to this test when exec_disable_arg_limit is 1 on Tru64. It is not
+@@ -4993,7 +4998,7 @@
+       # If test is not a shell built-in, we'll probably end up computing a
+       # maximum length that is only half of the actual maximum length, but
+       # we can't tell.
+-      while { test "X"`func_fallback_echo "$teststring$teststring" 2>/dev/null` \
++      while { test "X"`env echo "$teststring$teststring" 2>/dev/null` \
+ 	         = "X$teststring$teststring"; } >/dev/null 2>&1 &&
+ 	      test $i != 17 # 1/2 MB should be enough
+       do
+@@ -5419,7 +5424,7 @@
+   lt_cv_deplibs_check_method=pass_all
+   ;;
+ 
+-# This must be Linux ELF.
++# This must be glibc/ELF.
+ linux* | k*bsd*-gnu | kopensolaris*-gnu)
+   lt_cv_deplibs_check_method=pass_all
+   ;;
+@@ -6057,13 +6062,13 @@
+ if test -n "$RANLIB"; then
+   case $host_os in
+   openbsd*)
+-    old_postinstall_cmds="$old_postinstall_cmds~\$RANLIB -t \$oldlib"
++    old_postinstall_cmds="$old_postinstall_cmds~\$RANLIB -t \$tool_oldlib"
+     ;;
+   *)
+-    old_postinstall_cmds="$old_postinstall_cmds~\$RANLIB \$oldlib"
++    old_postinstall_cmds="$old_postinstall_cmds~\$RANLIB \$tool_oldlib"
+     ;;
+   esac
+-  old_archive_cmds="$old_archive_cmds~\$RANLIB \$oldlib"
++  old_archive_cmds="$old_archive_cmds~\$RANLIB \$tool_oldlib"
+ fi
+ 
+ case $host_os in
+@@ -6210,6 +6215,7 @@
+     # which start with @ or ?.
+     lt_cv_sys_global_symbol_pipe="$AWK '"\
+ "     {last_section=section; section=\$ 3};"\
++"     /^COFF SYMBOL TABLE/{for(i in hide) delete hide[i]};"\
+ "     /Section length .*#relocs.*(pick any)/{hide[last_section]=1};"\
+ "     \$ 0!~/External *\|/{next};"\
+ "     / 0+ UNDEF /{next}; / UNDEF \([^|]\)*()/{next};"\
+@@ -6598,7 +6604,7 @@
+     CFLAGS="$SAVE_CFLAGS"
+   fi
+   ;;
+-sparc*-*solaris*)
++*-*solaris*)
+   # Find out which ABI we are using.
+   echo 'int i;' > conftest.$ac_ext
+   if { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_compile\""; } >&5
+@@ -6609,7 +6615,20 @@
+     case `/usr/bin/file conftest.o` in
+     *64-bit*)
+       case $lt_cv_prog_gnu_ld in
+-      yes*) LD="${LD-ld} -m elf64_sparc" ;;
++      yes*)
++        case $host in
++        i?86-*-solaris*)
++          LD="${LD-ld} -m elf_x86_64"
++          ;;
++        sparc*-*-solaris*)
++          LD="${LD-ld} -m elf64_sparc"
++          ;;
++        esac
++        # GNU ld 2.21 introduced _sol2 emulations.  Use them if available.
++        if ${LD-ld} -V | grep _sol2 >/dev/null 2>&1; then
++          LD="${LD-ld}_sol2"
++        fi
++        ;;
+       *)
+ 	if ${LD-ld} -64 -r -o conftest2.o conftest.o >/dev/null 2>&1; then
+ 	  LD="${LD-ld} -64"
+@@ -7249,7 +7268,13 @@
+ 	$LTCC $LTCFLAGS $LDFLAGS -o libconftest.dylib \
+ 	  -dynamiclib -Wl,-single_module conftest.c 2>conftest.err
+         _lt_result=$?
+-	if test -f libconftest.dylib && test ! -s conftest.err && test $_lt_result = 0; then
++	# If there is a non-empty error log, and "single_module"
++	# appears in it, assume the flag caused a linker warning
++        if test -s conftest.err && $GREP single_module conftest.err; then
++	  cat conftest.err >&5
++	# Otherwise, if the output was created with a 0 exit code from
++	# the compiler, it worked.
++	elif test -f libconftest.dylib && test $_lt_result -eq 0; then
+ 	  lt_cv_apple_cc_single_mod=yes
+ 	else
+ 	  cat conftest.err >&5
+@@ -7260,6 +7285,7 @@
+ fi
+ { $as_echo "$as_me:${as_lineno-$LINENO}: result: $lt_cv_apple_cc_single_mod" >&5
+ $as_echo "$lt_cv_apple_cc_single_mod" >&6; }
++
+     { $as_echo "$as_me:${as_lineno-$LINENO}: checking for -exported_symbols_list linker flag" >&5
+ $as_echo_n "checking for -exported_symbols_list linker flag... " >&6; }
+ if ${lt_cv_ld_exported_symbols_list+:} false; then :
+@@ -7292,6 +7318,7 @@
+ fi
+ { $as_echo "$as_me:${as_lineno-$LINENO}: result: $lt_cv_ld_exported_symbols_list" >&5
+ $as_echo "$lt_cv_ld_exported_symbols_list" >&6; }
++
+     { $as_echo "$as_me:${as_lineno-$LINENO}: checking for -force_load linker flag" >&5
+ $as_echo_n "checking for -force_load linker flag... " >&6; }
+ if ${lt_cv_ld_force_load+:} false; then :
+@@ -7313,7 +7340,9 @@
+       echo "$LTCC $LTCFLAGS $LDFLAGS -o conftest conftest.c -Wl,-force_load,./libconftest.a" >&5
+       $LTCC $LTCFLAGS $LDFLAGS -o conftest conftest.c -Wl,-force_load,./libconftest.a 2>conftest.err
+       _lt_result=$?
+-      if test -f conftest && test ! -s conftest.err && test $_lt_result = 0 && $GREP forced_load conftest 2>&1 >/dev/null; then
++      if test -s conftest.err && $GREP force_load conftest.err; then
++	cat conftest.err >&5
++      elif test -f conftest && test $_lt_result -eq 0 && $GREP forced_load conftest >/dev/null 2>&1 ; then
+ 	lt_cv_ld_force_load=yes
+       else
+ 	cat conftest.err >&5
+@@ -7716,7 +7745,22 @@
+ 
+ # Check whether --with-pic was given.
+ if test "${with_pic+set}" = set; then :
+-  withval=$with_pic; pic_mode="$withval"
++  withval=$with_pic; lt_p=${PACKAGE-default}
++    case $withval in
++    yes|no) pic_mode=$withval ;;
++    *)
++      pic_mode=default
++      # Look at the argument we got.  We use all the common list separators.
++      lt_save_ifs="$IFS"; IFS="${IFS}$PATH_SEPARATOR,"
++      for lt_pkg in $withval; do
++	IFS="$lt_save_ifs"
++	if test "X$lt_pkg" = "X$lt_p"; then
++	  pic_mode=yes
++	fi
++      done
++      IFS="$lt_save_ifs"
++      ;;
++    esac
+ else
+   pic_mode=default
+ fi
+@@ -7794,6 +7838,10 @@
+ 
+ 
+ 
++
++
++
++
+ test -z "$LN_S" && LN_S="ln -s"
+ 
+ 
+@@ -8253,7 +8301,9 @@
+     case $cc_basename in
+     nvcc*) # Cuda Compiler Driver 2.2
+       lt_prog_compiler_wl='-Xlinker '
+-      lt_prog_compiler_pic='-Xcompiler -fPIC'
++      if test -n "$lt_prog_compiler_pic"; then
++        lt_prog_compiler_pic="-Xcompiler $lt_prog_compiler_pic"
++      fi
+       ;;
+     esac
+   else
+@@ -8344,18 +8394,33 @@
+ 	;;
+       *)
+ 	case `$CC -V 2>&1 | sed 5q` in
+-	*Sun\ F* | *Sun*Fortran*)
++	*Sun\ Ceres\ Fortran* | *Sun*Fortran*\ [1-7].* | *Sun*Fortran*\ 8.[0-3]*)
+ 	  # Sun Fortran 8.3 passes all unrecognized flags to the linker
+ 	  lt_prog_compiler_pic='-KPIC'
+ 	  lt_prog_compiler_static='-Bstatic'
+ 	  lt_prog_compiler_wl=''
+ 	  ;;
++	*Sun\ F* | *Sun*Fortran*)
++	  lt_prog_compiler_pic='-KPIC'
++	  lt_prog_compiler_static='-Bstatic'
++	  lt_prog_compiler_wl='-Qoption ld '
++	  ;;
+ 	*Sun\ C*)
+ 	  # Sun C 5.9
+ 	  lt_prog_compiler_pic='-KPIC'
+ 	  lt_prog_compiler_static='-Bstatic'
+ 	  lt_prog_compiler_wl='-Wl,'
+ 	  ;;
++        *Intel*\ [CF]*Compiler*)
++	  lt_prog_compiler_wl='-Wl,'
++	  lt_prog_compiler_pic='-fPIC'
++	  lt_prog_compiler_static='-static'
++	  ;;
++	*Portland\ Group*)
++	  lt_prog_compiler_wl='-Wl,'
++	  lt_prog_compiler_pic='-fpic'
++	  lt_prog_compiler_static='-Bstatic'
++	  ;;
+ 	esac
+ 	;;
+       esac
+@@ -8717,7 +8782,6 @@
+   hardcode_direct=no
+   hardcode_direct_absolute=no
+   hardcode_libdir_flag_spec=
+-  hardcode_libdir_flag_spec_ld=
+   hardcode_libdir_separator=
+   hardcode_minus_L=no
+   hardcode_shlibpath_var=unsupported
+@@ -8970,8 +9034,7 @@
+ 	xlf* | bgf* | bgxlf* | mpixlf*)
+ 	  # IBM XL Fortran 10.1 on PPC cannot create shared libs itself
+ 	  whole_archive_flag_spec='--whole-archive$convenience --no-whole-archive'
+-	  hardcode_libdir_flag_spec=
+-	  hardcode_libdir_flag_spec_ld='-rpath $libdir'
++	  hardcode_libdir_flag_spec='${wl}-rpath ${wl}$libdir'
+ 	  archive_cmds='$LD -shared $libobjs $deplibs $linker_flags -soname $soname -o $lib'
+ 	  if test "x$supports_anon_versioning" = xyes; then
+ 	    archive_expsym_cmds='echo "{ global:" > $output_objdir/$libname.ver~
+@@ -9351,6 +9414,7 @@
+ 	# The linker will not automatically build a static lib if we build a DLL.
+ 	# _LT_TAGVAR(old_archive_from_new_cmds, )='true'
+ 	enable_shared_with_static_runtimes=yes
++	exclude_expsyms='_NULL_IMPORT_DESCRIPTOR|_IMPORT_DESCRIPTOR_.*'
+ 	export_symbols_cmds='$NM $libobjs $convenience | $global_symbol_pipe | $SED -e '\''/^[BCDGRS][ ]/s/.*[ ]\([^ ]*\)/\1,DATA/'\'' | $SED -e '\''/^[AITW][ ]/s/.*[ ]//'\'' | sort | uniq > $export_symbols'
+ 	# Don't use ranlib
+ 	old_postinstall_cmds='chmod 644 $oldlib'
+@@ -9396,6 +9460,7 @@
+   hardcode_shlibpath_var=unsupported
+   if test "$lt_cv_ld_force_load" = "yes"; then
+     whole_archive_flag_spec='`for conv in $convenience\"\"; do test  -n \"$conv\" && new_convenience=\"$new_convenience ${wl}-force_load,$conv\"; done; func_echo_all \"$new_convenience\"`'
++
+   else
+     whole_archive_flag_spec=''
+   fi
+@@ -9424,10 +9489,6 @@
+       hardcode_shlibpath_var=no
+       ;;
+ 
+-    freebsd1*)
+-      ld_shlibs=no
+-      ;;
+-
+     # FreeBSD 2.2.[012] allows us to include c++rt0.o to get C++ constructor
+     # support.  Future versions do this automatically, but an explicit c++rt0.o
+     # does not break anything, and helps significantly (at the cost of a little
+@@ -9440,7 +9501,7 @@
+       ;;
+ 
+     # Unfortunately, older versions of FreeBSD 2 do not have this feature.
+-    freebsd2*)
++    freebsd2.*)
+       archive_cmds='$LD -Bshareable -o $lib $libobjs $deplibs $linker_flags'
+       hardcode_direct=yes
+       hardcode_minus_L=yes
+@@ -9479,7 +9540,6 @@
+       fi
+       if test "$with_gnu_ld" = no; then
+ 	hardcode_libdir_flag_spec='${wl}+b ${wl}$libdir'
+-	hardcode_libdir_flag_spec_ld='+b $libdir'
+ 	hardcode_libdir_separator=:
+ 	hardcode_direct=yes
+ 	hardcode_direct_absolute=yes
+@@ -10103,11 +10163,6 @@
+ 
+ 
+ 
+-
+-
+-
+-
+-
+   { $as_echo "$as_me:${as_lineno-$LINENO}: checking dynamic linker characteristics" >&5
+ $as_echo_n "checking dynamic linker characteristics... " >&6; }
+ 
+@@ -10197,7 +10252,7 @@
+ 
+ case $host_os in
+ aix3*)
+-  version_type=linux
++  version_type=linux # correct to gnu/linux during the next big refactor
+   library_names_spec='${libname}${release}${shared_ext}$versuffix $libname.a'
+   shlibpath_var=LIBPATH
+ 
+@@ -10206,7 +10261,7 @@
+   ;;
+ 
+ aix[4-9]*)
+-  version_type=linux
++  version_type=linux # correct to gnu/linux during the next big refactor
+   need_lib_prefix=no
+   need_version=no
+   hardcode_into_libs=yes
+@@ -10271,7 +10326,7 @@
+   ;;
+ 
+ bsdi[45]*)
+-  version_type=linux
++  version_type=linux # correct to gnu/linux during the next big refactor
+   need_version=no
+   library_names_spec='${libname}${release}${shared_ext}$versuffix ${libname}${release}${shared_ext}$major $libname${shared_ext}'
+   soname_spec='${libname}${release}${shared_ext}$major'
+@@ -10410,7 +10465,7 @@
+   ;;
+ 
+ dgux*)
+-  version_type=linux
++  version_type=linux # correct to gnu/linux during the next big refactor
+   need_lib_prefix=no
+   need_version=no
+   library_names_spec='${libname}${release}${shared_ext}$versuffix ${libname}${release}${shared_ext}$major $libname$shared_ext'
+@@ -10418,10 +10473,6 @@
+   shlibpath_var=LD_LIBRARY_PATH
+   ;;
+ 
+-freebsd1*)
+-  dynamic_linker=no
+-  ;;
+-
+ freebsd* | dragonfly*)
+   # DragonFly does not have aout.  When/if they implement a new
+   # versioning mechanism, adjust this.
+@@ -10429,7 +10480,7 @@
+     objformat=`/usr/bin/objformat`
+   else
+     case $host_os in
+-    freebsd[123]*) objformat=aout ;;
++    freebsd[23].*) objformat=aout ;;
+     *) objformat=elf ;;
+     esac
+   fi
+@@ -10447,7 +10498,7 @@
+   esac
+   shlibpath_var=LD_LIBRARY_PATH
+   case $host_os in
+-  freebsd2*)
++  freebsd2.*)
+     shlibpath_overrides_runpath=yes
+     ;;
+   freebsd3.[01]* | freebsdelf3.[01]*)
+@@ -10467,7 +10518,7 @@
+   ;;
+ 
+ gnu*)
+-  version_type=linux
++  version_type=linux # correct to gnu/linux during the next big refactor
+   need_lib_prefix=no
+   need_version=no
+   library_names_spec='${libname}${release}${shared_ext}$versuffix ${libname}${release}${shared_ext}${major} ${libname}${shared_ext}'
+@@ -10478,7 +10529,7 @@
+   ;;
+ 
+ haiku*)
+-  version_type=linux
++  version_type=linux # correct to gnu/linux during the next big refactor
+   need_lib_prefix=no
+   need_version=no
+   dynamic_linker="$host_os runtime_loader"
+@@ -10539,7 +10590,7 @@
+   ;;
+ 
+ interix[3-9]*)
+-  version_type=linux
++  version_type=linux # correct to gnu/linux during the next big refactor
+   need_lib_prefix=no
+   need_version=no
+   library_names_spec='${libname}${release}${shared_ext}$versuffix ${libname}${release}${shared_ext}$major ${libname}${shared_ext}'
+@@ -10555,7 +10606,7 @@
+     nonstopux*) version_type=nonstopux ;;
+     *)
+ 	if test "$lt_cv_prog_gnu_ld" = yes; then
+-		version_type=linux
++		version_type=linux # correct to gnu/linux during the next big refactor
+ 	else
+ 		version_type=irix
+ 	fi ;;
+@@ -10592,9 +10643,9 @@
+   dynamic_linker=no
+   ;;
+ 
+-# This must be Linux ELF.
++# This must be glibc/ELF.
+ linux* | k*bsd*-gnu | kopensolaris*-gnu)
+-  version_type=linux
++  version_type=linux # correct to gnu/linux during the next big refactor
+   need_lib_prefix=no
+   need_version=no
+   library_names_spec='${libname}${release}${shared_ext}$versuffix ${libname}${release}${shared_ext}$major $libname${shared_ext}'
+@@ -10688,7 +10739,7 @@
+   ;;
+ 
+ newsos6)
+-  version_type=linux
++  version_type=linux # correct to gnu/linux during the next big refactor
+   library_names_spec='${libname}${release}${shared_ext}$versuffix ${libname}${release}${shared_ext}$major $libname${shared_ext}'
+   shlibpath_var=LD_LIBRARY_PATH
+   shlibpath_overrides_runpath=yes
+@@ -10757,7 +10808,7 @@
+   ;;
+ 
+ solaris*)
+-  version_type=linux
++  version_type=linux # correct to gnu/linux during the next big refactor
+   need_lib_prefix=no
+   need_version=no
+   library_names_spec='${libname}${release}${shared_ext}$versuffix ${libname}${release}${shared_ext}$major $libname${shared_ext}'
+@@ -10782,7 +10833,7 @@
+   ;;
+ 
+ sysv4 | sysv4.3*)
+-  version_type=linux
++  version_type=linux # correct to gnu/linux during the next big refactor
+   library_names_spec='${libname}${release}${shared_ext}$versuffix ${libname}${release}${shared_ext}$major $libname${shared_ext}'
+   soname_spec='${libname}${release}${shared_ext}$major'
+   shlibpath_var=LD_LIBRARY_PATH
+@@ -10806,7 +10857,7 @@
+ 
+ sysv4*MP*)
+   if test -d /usr/nec ;then
+-    version_type=linux
++    version_type=linux # correct to gnu/linux during the next big refactor
+     library_names_spec='$libname${shared_ext}.$versuffix $libname${shared_ext}.$major $libname${shared_ext}'
+     soname_spec='$libname${shared_ext}.$major'
+     shlibpath_var=LD_LIBRARY_PATH
+@@ -10837,7 +10888,7 @@
+ 
+ tpf*)
+   # TPF is a cross-target only.  Preferred cross-host = GNU/Linux.
+-  version_type=linux
++  version_type=linux # correct to gnu/linux during the next big refactor
+   need_lib_prefix=no
+   need_version=no
+   library_names_spec='${libname}${release}${shared_ext}$versuffix ${libname}${release}${shared_ext}$major $libname${shared_ext}'
+@@ -10847,7 +10898,7 @@
+   ;;
+ 
+ uts4*)
+-  version_type=linux
++  version_type=linux # correct to gnu/linux during the next big refactor
+   library_names_spec='${libname}${release}${shared_ext}$versuffix ${libname}${release}${shared_ext}$major $libname${shared_ext}'
+   soname_spec='${libname}${release}${shared_ext}$major'
+   shlibpath_var=LD_LIBRARY_PATH
+@@ -11629,6 +11680,8 @@
+ 
+ 
+ 
++
++
+         ac_config_commands="$ac_config_commands libtool"
+ 
+ 
+@@ -12836,6 +12889,7 @@
+ enable_fast_install='`$ECHO "$enable_fast_install" | $SED "$delay_single_quote_subst"`'
+ SHELL='`$ECHO "$SHELL" | $SED "$delay_single_quote_subst"`'
+ ECHO='`$ECHO "$ECHO" | $SED "$delay_single_quote_subst"`'
++PATH_SEPARATOR='`$ECHO "$PATH_SEPARATOR" | $SED "$delay_single_quote_subst"`'
+ host_alias='`$ECHO "$host_alias" | $SED "$delay_single_quote_subst"`'
+ host='`$ECHO "$host" | $SED "$delay_single_quote_subst"`'
+ host_os='`$ECHO "$host_os" | $SED "$delay_single_quote_subst"`'
+@@ -12916,7 +12970,6 @@
+ allow_undefined_flag='`$ECHO "$allow_undefined_flag" | $SED "$delay_single_quote_subst"`'
+ no_undefined_flag='`$ECHO "$no_undefined_flag" | $SED "$delay_single_quote_subst"`'
+ hardcode_libdir_flag_spec='`$ECHO "$hardcode_libdir_flag_spec" | $SED "$delay_single_quote_subst"`'
+-hardcode_libdir_flag_spec_ld='`$ECHO "$hardcode_libdir_flag_spec_ld" | $SED "$delay_single_quote_subst"`'
+ hardcode_libdir_separator='`$ECHO "$hardcode_libdir_separator" | $SED "$delay_single_quote_subst"`'
+ hardcode_direct='`$ECHO "$hardcode_direct" | $SED "$delay_single_quote_subst"`'
+ hardcode_direct_absolute='`$ECHO "$hardcode_direct_absolute" | $SED "$delay_single_quote_subst"`'
+@@ -12975,6 +13028,7 @@
+ OBJDUMP \
+ SHELL \
+ ECHO \
++PATH_SEPARATOR \
+ SED \
+ GREP \
+ EGREP \
+@@ -13023,7 +13077,6 @@
+ allow_undefined_flag \
+ no_undefined_flag \
+ hardcode_libdir_flag_spec \
+-hardcode_libdir_flag_spec_ld \
+ hardcode_libdir_separator \
+ exclude_expsyms \
+ include_expsyms \
+@@ -13824,8 +13877,8 @@
+ # NOTE: Changes made to this file will be lost: look at ltmain.sh.
+ #
+ #   Copyright (C) 1996, 1997, 1998, 1999, 2000, 2001, 2003, 2004, 2005,
+-#                 2006, 2007, 2008, 2009, 2010 Free Software Foundation,
+-#                 Inc.
++#                 2006, 2007, 2008, 2009, 2010, 2011 Free Software
++#                 Foundation, Inc.
+ #   Written by Gordon Matzigkeit, 1996
+ #
+ #   This file is part of GNU Libtool.
+@@ -13888,6 +13941,9 @@
+ # An echo program that protects backslashes.
+ ECHO=$lt_ECHO
+ 
++# The PATH separator for the build system.
++PATH_SEPARATOR=$lt_PATH_SEPARATOR
++
+ # The host system.
+ host_alias=$host_alias
+ host=$host
+@@ -14183,10 +14239,6 @@
+ # This must work even if \$libdir does not exist
+ hardcode_libdir_flag_spec=$lt_hardcode_libdir_flag_spec
+ 
+-# If ld is used when linking, flag to hardcode \$libdir into a binary
+-# during linking.  This must work even if \$libdir does not exist.
+-hardcode_libdir_flag_spec_ld=$lt_hardcode_libdir_flag_spec_ld
+-
+ # Whether we need a single "-rpath" flag with a separated argument.
+ hardcode_libdir_separator=$lt_hardcode_libdir_separator
+ 
+diff -u -Naur potrace-1.11/depcomp potrace-1.11-patched/depcomp
+--- potrace-1.11/depcomp	2010-11-04 23:08:34.000000000 -0300
++++ potrace-1.11-patched/depcomp	2013-05-14 17:54:51.635877135 -0300
+@@ -1,10 +1,10 @@
+ #! /bin/sh
+ # depcomp - compile a program generating dependencies as side-effects
+ 
+-scriptversion=2009-04-28.21; # UTC
++scriptversion=2012-03-27.16; # UTC
+ 
+-# Copyright (C) 1999, 2000, 2003, 2004, 2005, 2006, 2007, 2009 Free
+-# Software Foundation, Inc.
++# Copyright (C) 1999, 2000, 2003, 2004, 2005, 2006, 2007, 2009, 2010,
++# 2011, 2012 Free Software Foundation, Inc.
+ 
+ # This program is free software; you can redistribute it and/or modify
+ # it under the terms of the GNU General Public License as published by
+@@ -28,7 +28,7 @@
+ 
+ case $1 in
+   '')
+-     echo "$0: No command.  Try \`$0 --help' for more information." 1>&2
++     echo "$0: No command.  Try '$0 --help' for more information." 1>&2
+      exit 1;
+      ;;
+   -h | --h*)
+@@ -40,11 +40,11 @@
+ 
+ Environment variables:
+   depmode     Dependency tracking mode.
+-  source      Source file read by `PROGRAMS ARGS'.
+-  object      Object file output by `PROGRAMS ARGS'.
++  source      Source file read by 'PROGRAMS ARGS'.
++  object      Object file output by 'PROGRAMS ARGS'.
+   DEPDIR      directory where to store dependencies.
+   depfile     Dependency file to output.
+-  tmpdepfile  Temporary file to use when outputing dependencies.
++  tmpdepfile  Temporary file to use when outputting dependencies.
+   libtool     Whether libtool is used (yes/no).
+ 
+ Report bugs to <bug-automake at gnu.org>.
+@@ -57,6 +57,12 @@
+     ;;
+ esac
+ 
++# A tabulation character.
++tab='	'
++# A newline character.
++nl='
++'
++
+ if test -z "$depmode" || test -z "$source" || test -z "$object"; then
+   echo "depcomp: Variables source, object and depmode must be set" 1>&2
+   exit 1
+@@ -90,10 +96,24 @@
+    # This is just like msvisualcpp but w/o cygpath translation.
+    # Just convert the backslash-escaped backslashes to single forward
+    # slashes to satisfy depend.m4
+-   cygpath_u="sed s,\\\\\\\\,/,g"
++   cygpath_u='sed s,\\\\,/,g'
+    depmode=msvisualcpp
+ fi
+ 
++if test "$depmode" = msvc7msys; then
++   # This is just like msvc7 but w/o cygpath translation.
++   # Just convert the backslash-escaped backslashes to single forward
++   # slashes to satisfy depend.m4
++   cygpath_u='sed s,\\\\,/,g'
++   depmode=msvc7
++fi
++
++if test "$depmode" = xlc; then
++   # IBM C/C++ Compilers xlc/xlC can output gcc-like dependency informations.
++   gccflag=-qmakedep=gcc,-MF
++   depmode=gcc
++fi
++
+ case "$depmode" in
+ gcc3)
+ ## gcc 3 implements dependency tracking that does exactly what
+@@ -148,20 +168,21 @@
+ ## The second -e expression handles DOS-style file names with drive letters.
+   sed -e 's/^[^:]*: / /' \
+       -e 's/^['$alpha']:\/[^:]*: / /' < "$tmpdepfile" >> "$depfile"
+-## This next piece of magic avoids the `deleted header file' problem.
++## This next piece of magic avoids the "deleted header file" problem.
+ ## The problem is that when a header file which appears in a .P file
+ ## is deleted, the dependency causes make to die (because there is
+ ## typically no way to rebuild the header).  We avoid this by adding
+ ## dummy dependencies for each header file.  Too bad gcc doesn't do
+ ## this for us directly.
+-  tr ' ' '
+-' < "$tmpdepfile" |
+-## Some versions of gcc put a space before the `:'.  On the theory
++  tr ' ' "$nl" < "$tmpdepfile" |
++## Some versions of gcc put a space before the ':'.  On the theory
+ ## that the space means something, we add a space to the output as
+-## well.
++## well.  hp depmode also adds that space, but also prefixes the VPATH
++## to the object.  Take care to not repeat it in the output.
+ ## Some versions of the HPUX 10.20 sed can't process this invocation
+ ## correctly.  Breaking it into two sed invocations is a workaround.
+-    sed -e 's/^\\$//' -e '/^$/d' -e '/:$/d' | sed -e 's/$/ :/' >> "$depfile"
++    sed -e 's/^\\$//' -e '/^$/d' -e "s|.*$object$||" -e '/:$/d' \
++      | sed -e 's/$/ :/' >> "$depfile"
+   rm -f "$tmpdepfile"
+   ;;
+ 
+@@ -193,18 +214,15 @@
+     # clever and replace this with sed code, as IRIX sed won't handle
+     # lines with more than a fixed number of characters (4096 in
+     # IRIX 6.2 sed, 8192 in IRIX 6.5).  We also remove comment lines;
+-    # the IRIX cc adds comments like `#:fec' to the end of the
++    # the IRIX cc adds comments like '#:fec' to the end of the
+     # dependency line.
+-    tr ' ' '
+-' < "$tmpdepfile" \
++    tr ' ' "$nl" < "$tmpdepfile" \
+     | sed -e 's/^.*\.o://' -e 's/#.*$//' -e '/^$/ d' | \
+-    tr '
+-' ' ' >> "$depfile"
++    tr "$nl" ' ' >> "$depfile"
+     echo >> "$depfile"
+ 
+     # The second pass generates a dummy entry for each header file.
+-    tr ' ' '
+-' < "$tmpdepfile" \
++    tr ' ' "$nl" < "$tmpdepfile" \
+    | sed -e 's/^.*\.o://' -e 's/#.*$//' -e '/^$/ d' -e 's/$/:/' \
+    >> "$depfile"
+   else
+@@ -216,10 +234,17 @@
+   rm -f "$tmpdepfile"
+   ;;
+ 
++xlc)
++  # This case exists only to let depend.m4 do its work.  It works by
++  # looking at the text of this script.  This case will never be run,
++  # since it is checked for above.
++  exit 1
++  ;;
++
+ aix)
+   # The C for AIX Compiler uses -M and outputs the dependencies
+   # in a .u file.  In older versions, this file always lives in the
+-  # current directory.  Also, the AIX compiler puts `$object:' at the
++  # current directory.  Also, the AIX compiler puts '$object:' at the
+   # start of each line; $object doesn't have directory information.
+   # Version 6 uses the directory in both cases.
+   dir=`echo "$object" | sed -e 's|/[^/]*$|/|'`
+@@ -249,12 +274,11 @@
+     test -f "$tmpdepfile" && break
+   done
+   if test -f "$tmpdepfile"; then
+-    # Each line is of the form `foo.o: dependent.h'.
++    # Each line is of the form 'foo.o: dependent.h'.
+     # Do two passes, one to just change these to
+-    # `$object: dependent.h' and one to simply `dependent.h:'.
++    # '$object: dependent.h' and one to simply 'dependent.h:'.
+     sed -e "s,^.*\.[a-z]*:,$object:," < "$tmpdepfile" > "$depfile"
+-    # That's a tab and a space in the [].
+-    sed -e 's,^.*\.[a-z]*:[	 ]*,,' -e 's,$,:,' < "$tmpdepfile" >> "$depfile"
++    sed -e 's,^.*\.[a-z]*:['"$tab"' ]*,,' -e 's,$,:,' < "$tmpdepfile" >> "$depfile"
+   else
+     # The sourcefile does not contain any dependencies, so just
+     # store a dummy comment line, to avoid errors with the Makefile
+@@ -265,23 +289,26 @@
+   ;;
+ 
+ icc)
+-  # Intel's C compiler understands `-MD -MF file'.  However on
+-  #    icc -MD -MF foo.d -c -o sub/foo.o sub/foo.c
++  # Intel's C compiler anf tcc (Tiny C Compiler) understand '-MD -MF file'.
++  # However on
++  #    $CC -MD -MF foo.d -c -o sub/foo.o sub/foo.c
+   # ICC 7.0 will fill foo.d with something like
+   #    foo.o: sub/foo.c
+   #    foo.o: sub/foo.h
+-  # which is wrong.  We want:
++  # which is wrong.  We want
+   #    sub/foo.o: sub/foo.c
+   #    sub/foo.o: sub/foo.h
+   #    sub/foo.c:
+   #    sub/foo.h:
+   # ICC 7.1 will output
+   #    foo.o: sub/foo.c sub/foo.h
+-  # and will wrap long lines using \ :
++  # and will wrap long lines using '\':
+   #    foo.o: sub/foo.c ... \
+   #     sub/foo.h ... \
+   #     ...
+-
++  # tcc 0.9.26 (FIXME still under development at the moment of writing)
++  # will emit a similar output, but also prepend the continuation lines
++  # with horizontal tabulation characters.
+   "$@" -MD -MF "$tmpdepfile"
+   stat=$?
+   if test $stat -eq 0; then :
+@@ -290,15 +317,21 @@
+     exit $stat
+   fi
+   rm -f "$depfile"
+-  # Each line is of the form `foo.o: dependent.h',
+-  # or `foo.o: dep1.h dep2.h \', or ` dep3.h dep4.h \'.
++  # Each line is of the form 'foo.o: dependent.h',
++  # or 'foo.o: dep1.h dep2.h \', or ' dep3.h dep4.h \'.
+   # Do two passes, one to just change these to
+-  # `$object: dependent.h' and one to simply `dependent.h:'.
+-  sed "s,^[^:]*:,$object :," < "$tmpdepfile" > "$depfile"
+-  # Some versions of the HPUX 10.20 sed can't process this invocation
+-  # correctly.  Breaking it into two sed invocations is a workaround.
+-  sed 's,^[^:]*: \(.*\)$,\1,;s/^\\$//;/^$/d;/:$/d' < "$tmpdepfile" |
+-    sed -e 's/$/ :/' >> "$depfile"
++  # '$object: dependent.h' and one to simply 'dependent.h:'.
++  sed -e "s/^[ $tab][ $tab]*/  /" -e "s,^[^:]*:,$object :," \
++    < "$tmpdepfile" > "$depfile"
++  sed '
++    s/[ '"$tab"'][ '"$tab"']*/ /g
++    s/^ *//
++    s/ *\\*$//
++    s/^[^:]*: *//
++    /^$/d
++    /:$/d
++    s/$/ :/
++  ' < "$tmpdepfile" >> "$depfile"
+   rm -f "$tmpdepfile"
+   ;;
+ 
+@@ -334,7 +367,7 @@
+   done
+   if test -f "$tmpdepfile"; then
+     sed -e "s,^.*\.[a-z]*:,$object:," "$tmpdepfile" > "$depfile"
+-    # Add `dependent.h:' lines.
++    # Add 'dependent.h:' lines.
+     sed -ne '2,${
+ 	       s/^ *//
+ 	       s/ \\*$//
+@@ -349,9 +382,9 @@
+ 
+ tru64)
+    # The Tru64 compiler uses -MD to generate dependencies as a side
+-   # effect.  `cc -MD -o foo.o ...' puts the dependencies into `foo.o.d'.
++   # effect.  'cc -MD -o foo.o ...' puts the dependencies into 'foo.o.d'.
+    # At least on Alpha/Redhat 6.1, Compaq CCC V6.2-504 seems to put
+-   # dependencies in `foo.d' instead, so we check for that too.
++   # dependencies in 'foo.d' instead, so we check for that too.
+    # Subdirectories are respected.
+    dir=`echo "$object" | sed -e 's|/[^/]*$|/|'`
+    test "x$dir" = "x$object" && dir=
+@@ -397,14 +430,59 @@
+    done
+    if test -f "$tmpdepfile"; then
+       sed -e "s,^.*\.[a-z]*:,$object:," < "$tmpdepfile" > "$depfile"
+-      # That's a tab and a space in the [].
+-      sed -e 's,^.*\.[a-z]*:[	 ]*,,' -e 's,$,:,' < "$tmpdepfile" >> "$depfile"
++      sed -e 's,^.*\.[a-z]*:['"$tab"' ]*,,' -e 's,$,:,' < "$tmpdepfile" >> "$depfile"
+    else
+       echo "#dummy" > "$depfile"
+    fi
+    rm -f "$tmpdepfile"
+    ;;
+ 
++msvc7)
++  if test "$libtool" = yes; then
++    showIncludes=-Wc,-showIncludes
++  else
++    showIncludes=-showIncludes
++  fi
++  "$@" $showIncludes > "$tmpdepfile"
++  stat=$?
++  grep -v '^Note: including file: ' "$tmpdepfile"
++  if test "$stat" = 0; then :
++  else
++    rm -f "$tmpdepfile"
++    exit $stat
++  fi
++  rm -f "$depfile"
++  echo "$object : \\" > "$depfile"
++  # The first sed program below extracts the file names and escapes
++  # backslashes for cygpath.  The second sed program outputs the file
++  # name when reading, but also accumulates all include files in the
++  # hold buffer in order to output them again at the end.  This only
++  # works with sed implementations that can handle large buffers.
++  sed < "$tmpdepfile" -n '
++/^Note: including file:  *\(.*\)/ {
++  s//\1/
++  s/\\/\\\\/g
++  p
++}' | $cygpath_u | sort -u | sed -n '
++s/ /\\ /g
++s/\(.*\)/'"$tab"'\1 \\/p
++s/.\(.*\) \\/\1:/
++H
++$ {
++  s/.*/'"$tab"'/
++  G
++  p
++}' >> "$depfile"
++  rm -f "$tmpdepfile"
++  ;;
++
++msvc7msys)
++  # This case exists only to let depend.m4 do its work.  It works by
++  # looking at the text of this script.  This case will never be run,
++  # since it is checked for above.
++  exit 1
++  ;;
++
+ #nosideeffect)
+   # This comment above is used by automake to tell side-effect
+   # dependency tracking mechanisms from slower ones.
+@@ -422,7 +500,7 @@
+     shift
+   fi
+ 
+-  # Remove `-o $object'.
++  # Remove '-o $object'.
+   IFS=" "
+   for arg
+   do
+@@ -442,15 +520,14 @@
+   done
+ 
+   test -z "$dashmflag" && dashmflag=-M
+-  # Require at least two characters before searching for `:'
++  # Require at least two characters before searching for ':'
+   # in the target name.  This is to cope with DOS-style filenames:
+-  # a dependency such as `c:/foo/bar' could be seen as target `c' otherwise.
++  # a dependency such as 'c:/foo/bar' could be seen as target 'c' otherwise.
+   "$@" $dashmflag |
+-    sed 's:^[  ]*[^: ][^:][^:]*\:[    ]*:'"$object"'\: :' > "$tmpdepfile"
++    sed 's:^['"$tab"' ]*[^:'"$tab"' ][^:][^:]*\:['"$tab"' ]*:'"$object"'\: :' > "$tmpdepfile"
+   rm -f "$depfile"
+   cat < "$tmpdepfile" > "$depfile"
+-  tr ' ' '
+-' < "$tmpdepfile" | \
++  tr ' ' "$nl" < "$tmpdepfile" | \
+ ## Some versions of the HPUX 10.20 sed can't process this invocation
+ ## correctly.  Breaking it into two sed invocations is a workaround.
+     sed -e 's/^\\$//' -e '/^$/d' -e '/:$/d' | sed -e 's/$/ :/' >> "$depfile"
+@@ -503,9 +580,10 @@
+   touch "$tmpdepfile"
+   ${MAKEDEPEND-makedepend} -o"$obj_suffix" -f"$tmpdepfile" "$@"
+   rm -f "$depfile"
+-  cat < "$tmpdepfile" > "$depfile"
+-  sed '1,2d' "$tmpdepfile" | tr ' ' '
+-' | \
++  # makedepend may prepend the VPATH from the source file name to the object.
++  # No need to regex-escape $object, excess matching of '.' is harmless.
++  sed "s|^.*\($object *:\)|\1|" "$tmpdepfile" > "$depfile"
++  sed '1,2d' "$tmpdepfile" | tr ' ' "$nl" | \
+ ## Some versions of the HPUX 10.20 sed can't process this invocation
+ ## correctly.  Breaking it into two sed invocations is a workaround.
+     sed -e 's/^\\$//' -e '/^$/d' -e '/:$/d' | sed -e 's/$/ :/' >> "$depfile"
+@@ -525,7 +603,7 @@
+     shift
+   fi
+ 
+-  # Remove `-o $object'.
++  # Remove '-o $object'.
+   IFS=" "
+   for arg
+   do
+@@ -594,8 +672,8 @@
+   sed -n '/^#line [0-9][0-9]* "\([^"]*\)"/ s::\1:p' | $cygpath_u | sort -u > "$tmpdepfile"
+   rm -f "$depfile"
+   echo "$object : \\" > "$depfile"
+-  sed < "$tmpdepfile" -n -e 's% %\\ %g' -e '/^\(.*\)$/ s::	\1 \\:p' >> "$depfile"
+-  echo "	" >> "$depfile"
++  sed < "$tmpdepfile" -n -e 's% %\\ %g' -e '/^\(.*\)$/ s::'"$tab"'\1 \\:p' >> "$depfile"
++  echo "$tab" >> "$depfile"
+   sed < "$tmpdepfile" -n -e 's% %\\ %g' -e '/^\(.*\)$/ s::\1\::p' >> "$depfile"
+   rm -f "$tmpdepfile"
+   ;;
+diff -u -Naur potrace-1.11/INSTALL potrace-1.11-patched/INSTALL
+--- potrace-1.11/INSTALL	2010-11-04 23:08:34.000000000 -0300
++++ potrace-1.11-patched/INSTALL	2013-05-14 17:54:51.723878277 -0300
+@@ -1,8 +1,8 @@
+ Installation Instructions
+ *************************
+ 
+-Copyright (C) 1994, 1995, 1996, 1999, 2000, 2001, 2002, 2004, 2005,
+-2006, 2007, 2008, 2009 Free Software Foundation, Inc.
++Copyright (C) 1994-1996, 1999-2002, 2004-2011 Free Software Foundation,
++Inc.
+ 
+    Copying and distribution of this file, with or without modification,
+ are permitted in any medium without royalty provided the copyright
+@@ -226,6 +226,11 @@
+ 
+ and if that doesn't work, install pre-built binaries of GCC for HP-UX.
+ 
++   HP-UX `make' updates targets which have the same time stamps as
++their prerequisites, which makes it generally unusable when shipped
++generated files such as `configure' are involved.  Use GNU `make'
++instead.
++
+    On OSF/1 a.k.a. Tru64, some versions of the default C compiler cannot
+ parse its `<wchar.h>' header file.  The option `-nodtk' can be used as
+ a workaround.  If GNU CC is not installed, it is therefore recommended
+diff -u -Naur potrace-1.11/install-sh potrace-1.11-patched/install-sh
+--- potrace-1.11/install-sh	2010-11-04 23:08:34.000000000 -0300
++++ potrace-1.11-patched/install-sh	2013-05-14 17:54:51.363873585 -0300
+@@ -1,7 +1,7 @@
+ #!/bin/sh
+ # install - install a program, script, or datafile
+ 
+-scriptversion=2009-04-28.21; # UTC
++scriptversion=2011-01-19.21; # UTC
+ 
+ # This originates from X11R5 (mit/util/scripts/install.sh), which was
+ # later released in X11R6 (xc/config/util/install.sh) with the
+@@ -156,6 +156,10 @@
+     -s) stripcmd=$stripprog;;
+ 
+     -t) dst_arg=$2
++	# Protect names problematic for `test' and other utilities.
++	case $dst_arg in
++	  -* | [=\(\)!]) dst_arg=./$dst_arg;;
++	esac
+ 	shift;;
+ 
+     -T) no_target_directory=true;;
+@@ -186,6 +190,10 @@
+     fi
+     shift # arg
+     dst_arg=$arg
++    # Protect names problematic for `test' and other utilities.
++    case $dst_arg in
++      -* | [=\(\)!]) dst_arg=./$dst_arg;;
++    esac
+   done
+ fi
+ 
+@@ -200,7 +208,11 @@
+ fi
+ 
+ if test -z "$dir_arg"; then
+-  trap '(exit $?); exit' 1 2 13 15
++  do_exit='(exit $ret); exit $ret'
++  trap "ret=129; $do_exit" 1
++  trap "ret=130; $do_exit" 2
++  trap "ret=141; $do_exit" 13
++  trap "ret=143; $do_exit" 15
+ 
+   # Set umask so as not to create temps with too-generous modes.
+   # However, 'strip' requires both read and write access to temps.
+@@ -228,9 +240,9 @@
+ 
+ for src
+ do
+-  # Protect names starting with `-'.
++  # Protect names problematic for `test' and other utilities.
+   case $src in
+-    -*) src=./$src;;
++    -* | [=\(\)!]) src=./$src;;
+   esac
+ 
+   if test -n "$dir_arg"; then
+@@ -252,12 +264,7 @@
+       echo "$0: no destination specified." >&2
+       exit 1
+     fi
+-
+     dst=$dst_arg
+-    # Protect names starting with `-'.
+-    case $dst in
+-      -*) dst=./$dst;;
+-    esac
+ 
+     # If destination is a directory, append the input filename; won't work
+     # if double slashes aren't ignored.
+@@ -385,7 +392,7 @@
+ 
+       case $dstdir in
+ 	/*) prefix='/';;
+-	-*) prefix='./';;
++	[-=\(\)!]*) prefix='./';;
+ 	*)  prefix='';;
+       esac
+ 
+@@ -403,7 +410,7 @@
+ 
+       for d
+       do
+-	test -z "$d" && continue
++	test X"$d" = X && continue
+ 
+ 	prefix=$prefix$d
+ 	if test -d "$prefix"; then
+diff -u -Naur potrace-1.11/ltmain.sh potrace-1.11-patched/ltmain.sh
+--- potrace-1.11/ltmain.sh	2013-01-21 12:47:52.000000000 -0400
++++ potrace-1.11-patched/ltmain.sh	2013-05-14 17:54:44.939789712 -0300
+@@ -70,7 +70,7 @@
+ #         compiler:		$LTCC
+ #         compiler flags:		$LTCFLAGS
+ #         linker:		$LD (gnu? $with_gnu_ld)
+-#         $progname:	(GNU libtool) 2.4.2 Debian-2.4.2-1ubuntu1
++#         $progname:	(GNU libtool) 2.4.2 Debian-2.4.2-1ubuntu2
+ #         automake:	$automake_version
+ #         autoconf:	$autoconf_version
+ #
+@@ -80,7 +80,7 @@
+ 
+ PROGRAM=libtool
+ PACKAGE=libtool
+-VERSION="2.4.2 Debian-2.4.2-1ubuntu1"
++VERSION="2.4.2 Debian-2.4.2-1ubuntu2"
+ TIMESTAMP=""
+ package_revision=1.3337
+ 
+diff -u -Naur potrace-1.11/m4/libtool.m4 potrace-1.11-patched/m4/libtool.m4
+--- potrace-1.11/m4/libtool.m4	2012-02-23 20:32:33.000000000 -0400
++++ potrace-1.11-patched/m4/libtool.m4	2013-05-14 17:54:45.035790966 -0300
+@@ -1,8 +1,8 @@
+ # libtool.m4 - Configure libtool for the host system. -*-Autoconf-*-
+ #
+ #   Copyright (C) 1996, 1997, 1998, 1999, 2000, 2001, 2003, 2004, 2005,
+-#                 2006, 2007, 2008, 2009, 2010 Free Software Foundation,
+-#                 Inc.
++#                 2006, 2007, 2008, 2009, 2010, 2011 Free Software
++#                 Foundation, Inc.
+ #   Written by Gordon Matzigkeit, 1996
+ #
+ # This file is free software; the Free Software Foundation gives
+@@ -11,8 +11,8 @@
+ 
+ m4_define([_LT_COPYING], [dnl
+ #   Copyright (C) 1996, 1997, 1998, 1999, 2000, 2001, 2003, 2004, 2005,
+-#                 2006, 2007, 2008, 2009, 2010 Free Software Foundation,
+-#                 Inc.
++#                 2006, 2007, 2008, 2009, 2010, 2011 Free Software
++#                 Foundation, Inc.
+ #   Written by Gordon Matzigkeit, 1996
+ #
+ #   This file is part of GNU Libtool.
+@@ -146,6 +146,8 @@
+ AC_REQUIRE([_LT_PREPARE_SED_QUOTE_VARS])dnl
+ AC_REQUIRE([_LT_PROG_ECHO_BACKSLASH])dnl
+ 
++_LT_DECL([], [PATH_SEPARATOR], [1], [The PATH separator for the build system])dnl
++dnl
+ _LT_DECL([], [host_alias], [0], [The host system])dnl
+ _LT_DECL([], [host], [0])dnl
+ _LT_DECL([], [host_os], [0])dnl
+@@ -637,7 +639,7 @@
+ m4_ifset([AC_PACKAGE_VERSION], [ AC_PACKAGE_VERSION])
+ configured by $[0], generated by m4_PACKAGE_STRING.
+ 
+-Copyright (C) 2010 Free Software Foundation, Inc.
++Copyright (C) 2011 Free Software Foundation, Inc.
+ This config.lt script is free software; the Free Software Foundation
+ gives unlimited permision to copy, distribute and modify it."
+ 
+@@ -801,6 +803,7 @@
+ m4_case([$1],
+   [C],			[_LT_LANG(C)],
+   [C++],		[_LT_LANG(CXX)],
++  [Go],			[_LT_LANG(GO)],
+   [Java],		[_LT_LANG(GCJ)],
+   [Fortran 77],		[_LT_LANG(F77)],
+   [Fortran],		[_LT_LANG(FC)],
+@@ -822,6 +825,31 @@
+ ])# _LT_LANG
+ 
+ 
++m4_ifndef([AC_PROG_GO], [
++############################################################
++# NOTE: This macro has been submitted for inclusion into   #
++#  GNU Autoconf as AC_PROG_GO.  When it is available in    #
++#  a released version of Autoconf we should remove this    #
++#  macro and use it instead.                               #
++############################################################
++m4_defun([AC_PROG_GO],
++[AC_LANG_PUSH(Go)dnl
++AC_ARG_VAR([GOC],     [Go compiler command])dnl
++AC_ARG_VAR([GOFLAGS], [Go compiler flags])dnl
++_AC_ARG_VAR_LDFLAGS()dnl
++AC_CHECK_TOOL(GOC, gccgo)
++if test -z "$GOC"; then
++  if test -n "$ac_tool_prefix"; then
++    AC_CHECK_PROG(GOC, [${ac_tool_prefix}gccgo], [${ac_tool_prefix}gccgo])
++  fi
++fi
++if test -z "$GOC"; then
++  AC_CHECK_PROG(GOC, gccgo, gccgo, false)
++fi
++])#m4_defun
++])#m4_ifndef
++
++
+ # _LT_LANG_DEFAULT_CONFIG
+ # -----------------------
+ m4_defun([_LT_LANG_DEFAULT_CONFIG],
+@@ -852,6 +880,10 @@
+        m4_ifdef([LT_PROG_GCJ],
+ 	[m4_define([LT_PROG_GCJ], defn([LT_PROG_GCJ])[LT_LANG(GCJ)])])])])])
+ 
++AC_PROVIDE_IFELSE([AC_PROG_GO],
++  [LT_LANG(GO)],
++  [m4_define([AC_PROG_GO], defn([AC_PROG_GO])[LT_LANG(GO)])])
++
+ AC_PROVIDE_IFELSE([LT_PROG_RC],
+   [LT_LANG(RC)],
+   [m4_define([LT_PROG_RC], defn([LT_PROG_RC])[LT_LANG(RC)])])
+@@ -954,7 +986,13 @@
+ 	$LTCC $LTCFLAGS $LDFLAGS -o libconftest.dylib \
+ 	  -dynamiclib -Wl,-single_module conftest.c 2>conftest.err
+         _lt_result=$?
+-	if test -f libconftest.dylib && test ! -s conftest.err && test $_lt_result = 0; then
++	# If there is a non-empty error log, and "single_module"
++	# appears in it, assume the flag caused a linker warning
++        if test -s conftest.err && $GREP single_module conftest.err; then
++	  cat conftest.err >&AS_MESSAGE_LOG_FD
++	# Otherwise, if the output was created with a 0 exit code from
++	# the compiler, it worked.
++	elif test -f libconftest.dylib && test $_lt_result -eq 0; then
+ 	  lt_cv_apple_cc_single_mod=yes
+ 	else
+ 	  cat conftest.err >&AS_MESSAGE_LOG_FD
+@@ -962,6 +1000,7 @@
+ 	rm -rf libconftest.dylib*
+ 	rm -f conftest.*
+       fi])
++
+     AC_CACHE_CHECK([for -exported_symbols_list linker flag],
+       [lt_cv_ld_exported_symbols_list],
+       [lt_cv_ld_exported_symbols_list=no
+@@ -973,6 +1012,7 @@
+ 	[lt_cv_ld_exported_symbols_list=no])
+ 	LDFLAGS="$save_LDFLAGS"
+     ])
++
+     AC_CACHE_CHECK([for -force_load linker flag],[lt_cv_ld_force_load],
+       [lt_cv_ld_force_load=no
+       cat > conftest.c << _LT_EOF
+@@ -990,7 +1030,9 @@
+       echo "$LTCC $LTCFLAGS $LDFLAGS -o conftest conftest.c -Wl,-force_load,./libconftest.a" >&AS_MESSAGE_LOG_FD
+       $LTCC $LTCFLAGS $LDFLAGS -o conftest conftest.c -Wl,-force_load,./libconftest.a 2>conftest.err
+       _lt_result=$?
+-      if test -f conftest && test ! -s conftest.err && test $_lt_result = 0 && $GREP forced_load conftest 2>&1 >/dev/null; then
++      if test -s conftest.err && $GREP force_load conftest.err; then
++	cat conftest.err >&AS_MESSAGE_LOG_FD
++      elif test -f conftest && test $_lt_result -eq 0 && $GREP forced_load conftest >/dev/null 2>&1 ; then
+ 	lt_cv_ld_force_load=yes
+       else
+ 	cat conftest.err >&AS_MESSAGE_LOG_FD
+@@ -1035,8 +1077,8 @@
+ ])
+ 
+ 
+-# _LT_DARWIN_LINKER_FEATURES
+-# --------------------------
++# _LT_DARWIN_LINKER_FEATURES([TAG])
++# ---------------------------------
+ # Checks for linker and compiler features on darwin
+ m4_defun([_LT_DARWIN_LINKER_FEATURES],
+ [
+@@ -1047,6 +1089,8 @@
+   _LT_TAGVAR(hardcode_shlibpath_var, $1)=unsupported
+   if test "$lt_cv_ld_force_load" = "yes"; then
+     _LT_TAGVAR(whole_archive_flag_spec, $1)='`for conv in $convenience\"\"; do test  -n \"$conv\" && new_convenience=\"$new_convenience ${wl}-force_load,$conv\"; done; func_echo_all \"$new_convenience\"`'
++    m4_case([$1], [F77], [_LT_TAGVAR(compiler_needs_object, $1)=yes],
++                  [FC],  [_LT_TAGVAR(compiler_needs_object, $1)=yes])
+   else
+     _LT_TAGVAR(whole_archive_flag_spec, $1)=''
+   fi
+@@ -1330,14 +1374,27 @@
+     CFLAGS="$SAVE_CFLAGS"
+   fi
+   ;;
+-sparc*-*solaris*)
++*-*solaris*)
+   # Find out which ABI we are using.
+   echo 'int i;' > conftest.$ac_ext
+   if AC_TRY_EVAL(ac_compile); then
+     case `/usr/bin/file conftest.o` in
+     *64-bit*)
+       case $lt_cv_prog_gnu_ld in
+-      yes*) LD="${LD-ld} -m elf64_sparc" ;;
++      yes*)
++        case $host in
++        i?86-*-solaris*)
++          LD="${LD-ld} -m elf_x86_64"
++          ;;
++        sparc*-*-solaris*)
++          LD="${LD-ld} -m elf64_sparc"
++          ;;
++        esac
++        # GNU ld 2.21 introduced _sol2 emulations.  Use them if available.
++        if ${LD-ld} -V | grep _sol2 >/dev/null 2>&1; then
++          LD="${LD-ld}_sol2"
++        fi
++        ;;
+       *)
+ 	if ${LD-ld} -64 -r -o conftest2.o conftest.o >/dev/null 2>&1; then
+ 	  LD="${LD-ld} -64"
+@@ -1414,13 +1471,13 @@
+ if test -n "$RANLIB"; then
+   case $host_os in
+   openbsd*)
+-    old_postinstall_cmds="$old_postinstall_cmds~\$RANLIB -t \$oldlib"
++    old_postinstall_cmds="$old_postinstall_cmds~\$RANLIB -t \$tool_oldlib"
+     ;;
+   *)
+-    old_postinstall_cmds="$old_postinstall_cmds~\$RANLIB \$oldlib"
++    old_postinstall_cmds="$old_postinstall_cmds~\$RANLIB \$tool_oldlib"
+     ;;
+   esac
+-  old_archive_cmds="$old_archive_cmds~\$RANLIB \$oldlib"
++  old_archive_cmds="$old_archive_cmds~\$RANLIB \$tool_oldlib"
+ fi
+ 
+ case $host_os in
+@@ -1600,6 +1657,11 @@
+     lt_cv_sys_max_cmd_len=196608
+     ;;
+ 
++  os2*)
++    # The test takes a long time on OS/2.
++    lt_cv_sys_max_cmd_len=8192
++    ;;
++
+   osf*)
+     # Dr. Hans Ekkehard Plesser reports seeing a kernel panic running configure
+     # due to this test when exec_disable_arg_limit is 1 on Tru64. It is not
+@@ -1639,7 +1701,7 @@
+       # If test is not a shell built-in, we'll probably end up computing a
+       # maximum length that is only half of the actual maximum length, but
+       # we can't tell.
+-      while { test "X"`func_fallback_echo "$teststring$teststring" 2>/dev/null` \
++      while { test "X"`env echo "$teststring$teststring" 2>/dev/null` \
+ 	         = "X$teststring$teststring"; } >/dev/null 2>&1 &&
+ 	      test $i != 17 # 1/2 MB should be enough
+       do
+@@ -2185,7 +2247,7 @@
+ 
+ case $host_os in
+ aix3*)
+-  version_type=linux
++  version_type=linux # correct to gnu/linux during the next big refactor
+   library_names_spec='${libname}${release}${shared_ext}$versuffix $libname.a'
+   shlibpath_var=LIBPATH
+ 
+@@ -2194,7 +2256,7 @@
+   ;;
+ 
+ aix[[4-9]]*)
+-  version_type=linux
++  version_type=linux # correct to gnu/linux during the next big refactor
+   need_lib_prefix=no
+   need_version=no
+   hardcode_into_libs=yes
+@@ -2259,7 +2321,7 @@
+   ;;
+ 
+ bsdi[[45]]*)
+-  version_type=linux
++  version_type=linux # correct to gnu/linux during the next big refactor
+   need_version=no
+   library_names_spec='${libname}${release}${shared_ext}$versuffix ${libname}${release}${shared_ext}$major $libname${shared_ext}'
+   soname_spec='${libname}${release}${shared_ext}$major'
+@@ -2398,7 +2460,7 @@
+   ;;
+ 
+ dgux*)
+-  version_type=linux
++  version_type=linux # correct to gnu/linux during the next big refactor
+   need_lib_prefix=no
+   need_version=no
+   library_names_spec='${libname}${release}${shared_ext}$versuffix ${libname}${release}${shared_ext}$major $libname$shared_ext'
+@@ -2406,10 +2468,6 @@
+   shlibpath_var=LD_LIBRARY_PATH
+   ;;
+ 
+-freebsd1*)
+-  dynamic_linker=no
+-  ;;
+-
+ freebsd* | dragonfly*)
+   # DragonFly does not have aout.  When/if they implement a new
+   # versioning mechanism, adjust this.
+@@ -2417,7 +2475,7 @@
+     objformat=`/usr/bin/objformat`
+   else
+     case $host_os in
+-    freebsd[[123]]*) objformat=aout ;;
++    freebsd[[23]].*) objformat=aout ;;
+     *) objformat=elf ;;
+     esac
+   fi
+@@ -2435,7 +2493,7 @@
+   esac
+   shlibpath_var=LD_LIBRARY_PATH
+   case $host_os in
+-  freebsd2*)
++  freebsd2.*)
+     shlibpath_overrides_runpath=yes
+     ;;
+   freebsd3.[[01]]* | freebsdelf3.[[01]]*)
+@@ -2455,7 +2513,7 @@
+   ;;
+ 
+ gnu*)
+-  version_type=linux
++  version_type=linux # correct to gnu/linux during the next big refactor
+   need_lib_prefix=no
+   need_version=no
+   library_names_spec='${libname}${release}${shared_ext}$versuffix ${libname}${release}${shared_ext}${major} ${libname}${shared_ext}'
+@@ -2466,7 +2524,7 @@
+   ;;
+ 
+ haiku*)
+-  version_type=linux
++  version_type=linux # correct to gnu/linux during the next big refactor
+   need_lib_prefix=no
+   need_version=no
+   dynamic_linker="$host_os runtime_loader"
+@@ -2527,7 +2585,7 @@
+   ;;
+ 
+ interix[[3-9]]*)
+-  version_type=linux
++  version_type=linux # correct to gnu/linux during the next big refactor
+   need_lib_prefix=no
+   need_version=no
+   library_names_spec='${libname}${release}${shared_ext}$versuffix ${libname}${release}${shared_ext}$major ${libname}${shared_ext}'
+@@ -2543,7 +2601,7 @@
+     nonstopux*) version_type=nonstopux ;;
+     *)
+ 	if test "$lt_cv_prog_gnu_ld" = yes; then
+-		version_type=linux
++		version_type=linux # correct to gnu/linux during the next big refactor
+ 	else
+ 		version_type=irix
+ 	fi ;;
+@@ -2580,9 +2638,9 @@
+   dynamic_linker=no
+   ;;
+ 
+-# This must be Linux ELF.
++# This must be glibc/ELF.
+ linux* | k*bsd*-gnu | kopensolaris*-gnu)
+-  version_type=linux
++  version_type=linux # correct to gnu/linux during the next big refactor
+   need_lib_prefix=no
+   need_version=no
+   library_names_spec='${libname}${release}${shared_ext}$versuffix ${libname}${release}${shared_ext}$major $libname${shared_ext}'
+@@ -2657,7 +2715,7 @@
+   ;;
+ 
+ newsos6)
+-  version_type=linux
++  version_type=linux # correct to gnu/linux during the next big refactor
+   library_names_spec='${libname}${release}${shared_ext}$versuffix ${libname}${release}${shared_ext}$major $libname${shared_ext}'
+   shlibpath_var=LD_LIBRARY_PATH
+   shlibpath_overrides_runpath=yes
+@@ -2726,7 +2784,7 @@
+   ;;
+ 
+ solaris*)
+-  version_type=linux
++  version_type=linux # correct to gnu/linux during the next big refactor
+   need_lib_prefix=no
+   need_version=no
+   library_names_spec='${libname}${release}${shared_ext}$versuffix ${libname}${release}${shared_ext}$major $libname${shared_ext}'
+@@ -2751,7 +2809,7 @@
+   ;;
+ 
+ sysv4 | sysv4.3*)
+-  version_type=linux
++  version_type=linux # correct to gnu/linux during the next big refactor
+   library_names_spec='${libname}${release}${shared_ext}$versuffix ${libname}${release}${shared_ext}$major $libname${shared_ext}'
+   soname_spec='${libname}${release}${shared_ext}$major'
+   shlibpath_var=LD_LIBRARY_PATH
+@@ -2775,7 +2833,7 @@
+ 
+ sysv4*MP*)
+   if test -d /usr/nec ;then
+-    version_type=linux
++    version_type=linux # correct to gnu/linux during the next big refactor
+     library_names_spec='$libname${shared_ext}.$versuffix $libname${shared_ext}.$major $libname${shared_ext}'
+     soname_spec='$libname${shared_ext}.$major'
+     shlibpath_var=LD_LIBRARY_PATH
+@@ -2806,7 +2864,7 @@
+ 
+ tpf*)
+   # TPF is a cross-target only.  Preferred cross-host = GNU/Linux.
+-  version_type=linux
++  version_type=linux # correct to gnu/linux during the next big refactor
+   need_lib_prefix=no
+   need_version=no
+   library_names_spec='${libname}${release}${shared_ext}$versuffix ${libname}${release}${shared_ext}$major $libname${shared_ext}'
+@@ -2816,7 +2874,7 @@
+   ;;
+ 
+ uts4*)
+-  version_type=linux
++  version_type=linux # correct to gnu/linux during the next big refactor
+   library_names_spec='${libname}${release}${shared_ext}$versuffix ${libname}${release}${shared_ext}$major $libname${shared_ext}'
+   soname_spec='${libname}${release}${shared_ext}$major'
+   shlibpath_var=LD_LIBRARY_PATH
+@@ -3238,7 +3296,7 @@
+   lt_cv_deplibs_check_method=pass_all
+   ;;
+ 
+-# This must be Linux ELF.
++# This must be glibc/ELF.
+ linux* | k*bsd*-gnu | kopensolaris*-gnu)
+   lt_cv_deplibs_check_method=pass_all
+   ;;
+@@ -3658,6 +3716,7 @@
+     # which start with @ or ?.
+     lt_cv_sys_global_symbol_pipe="$AWK ['"\
+ "     {last_section=section; section=\$ 3};"\
++"     /^COFF SYMBOL TABLE/{for(i in hide) delete hide[i]};"\
+ "     /Section length .*#relocs.*(pick any)/{hide[last_section]=1};"\
+ "     \$ 0!~/External *\|/{next};"\
+ "     / 0+ UNDEF /{next}; / UNDEF \([^|]\)*()/{next};"\
+@@ -4242,7 +4301,9 @@
+     case $cc_basename in
+     nvcc*) # Cuda Compiler Driver 2.2
+       _LT_TAGVAR(lt_prog_compiler_wl, $1)='-Xlinker '
+-      _LT_TAGVAR(lt_prog_compiler_pic, $1)='-Xcompiler -fPIC'
++      if test -n "$_LT_TAGVAR(lt_prog_compiler_pic, $1)"; then
++        _LT_TAGVAR(lt_prog_compiler_pic, $1)="-Xcompiler $_LT_TAGVAR(lt_prog_compiler_pic, $1)"
++      fi
+       ;;
+     esac
+   else
+@@ -4334,18 +4395,33 @@
+ 	;;
+       *)
+ 	case `$CC -V 2>&1 | sed 5q` in
+-	*Sun\ F* | *Sun*Fortran*)
++	*Sun\ Ceres\ Fortran* | *Sun*Fortran*\ [[1-7]].* | *Sun*Fortran*\ 8.[[0-3]]*)
+ 	  # Sun Fortran 8.3 passes all unrecognized flags to the linker
+ 	  _LT_TAGVAR(lt_prog_compiler_pic, $1)='-KPIC'
+ 	  _LT_TAGVAR(lt_prog_compiler_static, $1)='-Bstatic'
+ 	  _LT_TAGVAR(lt_prog_compiler_wl, $1)=''
+ 	  ;;
++	*Sun\ F* | *Sun*Fortran*)
++	  _LT_TAGVAR(lt_prog_compiler_pic, $1)='-KPIC'
++	  _LT_TAGVAR(lt_prog_compiler_static, $1)='-Bstatic'
++	  _LT_TAGVAR(lt_prog_compiler_wl, $1)='-Qoption ld '
++	  ;;
+ 	*Sun\ C*)
+ 	  # Sun C 5.9
+ 	  _LT_TAGVAR(lt_prog_compiler_pic, $1)='-KPIC'
+ 	  _LT_TAGVAR(lt_prog_compiler_static, $1)='-Bstatic'
+ 	  _LT_TAGVAR(lt_prog_compiler_wl, $1)='-Wl,'
+ 	  ;;
++        *Intel*\ [[CF]]*Compiler*)
++	  _LT_TAGVAR(lt_prog_compiler_wl, $1)='-Wl,'
++	  _LT_TAGVAR(lt_prog_compiler_pic, $1)='-fPIC'
++	  _LT_TAGVAR(lt_prog_compiler_static, $1)='-static'
++	  ;;
++	*Portland\ Group*)
++	  _LT_TAGVAR(lt_prog_compiler_wl, $1)='-Wl,'
++	  _LT_TAGVAR(lt_prog_compiler_pic, $1)='-fpic'
++	  _LT_TAGVAR(lt_prog_compiler_static, $1)='-Bstatic'
++	  ;;
+ 	esac
+ 	;;
+       esac
+@@ -4505,7 +4581,9 @@
+     ;;
+   cygwin* | mingw* | cegcc*)
+     case $cc_basename in
+-    cl*) ;;
++    cl*)
++      _LT_TAGVAR(exclude_expsyms, $1)='_NULL_IMPORT_DESCRIPTOR|_IMPORT_DESCRIPTOR_.*'
++      ;;
+     *)
+       _LT_TAGVAR(export_symbols_cmds, $1)='$NM $libobjs $convenience | $global_symbol_pipe | $SED -e '\''/^[[BCDGRS]][[ ]]/s/.*[[ ]]\([[^ ]]*\)/\1 DATA/;s/^.*[[ ]]__nm__\([[^ ]]*\)[[ ]][[^ ]]*/\1 DATA/;/^I[[ ]]/d;/^[[AITW]][[ ]]/s/.* //'\'' | sort | uniq > $export_symbols'
+       _LT_TAGVAR(exclude_expsyms, $1)=['[_]+GLOBAL_OFFSET_TABLE_|[_]+GLOBAL__[FID]_.*|[_]+head_[A-Za-z0-9_]+_dll|[A-Za-z0-9_]+_dll_iname']
+@@ -4533,7 +4611,6 @@
+   _LT_TAGVAR(hardcode_direct, $1)=no
+   _LT_TAGVAR(hardcode_direct_absolute, $1)=no
+   _LT_TAGVAR(hardcode_libdir_flag_spec, $1)=
+-  _LT_TAGVAR(hardcode_libdir_flag_spec_ld, $1)=
+   _LT_TAGVAR(hardcode_libdir_separator, $1)=
+   _LT_TAGVAR(hardcode_minus_L, $1)=no
+   _LT_TAGVAR(hardcode_shlibpath_var, $1)=unsupported
+@@ -4787,8 +4864,7 @@
+ 	xlf* | bgf* | bgxlf* | mpixlf*)
+ 	  # IBM XL Fortran 10.1 on PPC cannot create shared libs itself
+ 	  _LT_TAGVAR(whole_archive_flag_spec, $1)='--whole-archive$convenience --no-whole-archive'
+-	  _LT_TAGVAR(hardcode_libdir_flag_spec, $1)=
+-	  _LT_TAGVAR(hardcode_libdir_flag_spec_ld, $1)='-rpath $libdir'
++	  _LT_TAGVAR(hardcode_libdir_flag_spec, $1)='${wl}-rpath ${wl}$libdir'
+ 	  _LT_TAGVAR(archive_cmds, $1)='$LD -shared $libobjs $deplibs $linker_flags -soname $soname -o $lib'
+ 	  if test "x$supports_anon_versioning" = xyes; then
+ 	    _LT_TAGVAR(archive_expsym_cmds, $1)='echo "{ global:" > $output_objdir/$libname.ver~
+@@ -5084,6 +5160,7 @@
+ 	# The linker will not automatically build a static lib if we build a DLL.
+ 	# _LT_TAGVAR(old_archive_from_new_cmds, $1)='true'
+ 	_LT_TAGVAR(enable_shared_with_static_runtimes, $1)=yes
++	_LT_TAGVAR(exclude_expsyms, $1)='_NULL_IMPORT_DESCRIPTOR|_IMPORT_DESCRIPTOR_.*'
+ 	_LT_TAGVAR(export_symbols_cmds, $1)='$NM $libobjs $convenience | $global_symbol_pipe | $SED -e '\''/^[[BCDGRS]][[ ]]/s/.*[[ ]]\([[^ ]]*\)/\1,DATA/'\'' | $SED -e '\''/^[[AITW]][[ ]]/s/.*[[ ]]//'\'' | sort | uniq > $export_symbols'
+ 	# Don't use ranlib
+ 	_LT_TAGVAR(old_postinstall_cmds, $1)='chmod 644 $oldlib'
+@@ -5130,10 +5207,6 @@
+       _LT_TAGVAR(hardcode_shlibpath_var, $1)=no
+       ;;
+ 
+-    freebsd1*)
+-      _LT_TAGVAR(ld_shlibs, $1)=no
+-      ;;
+-
+     # FreeBSD 2.2.[012] allows us to include c++rt0.o to get C++ constructor
+     # support.  Future versions do this automatically, but an explicit c++rt0.o
+     # does not break anything, and helps significantly (at the cost of a little
+@@ -5146,7 +5219,7 @@
+       ;;
+ 
+     # Unfortunately, older versions of FreeBSD 2 do not have this feature.
+-    freebsd2*)
++    freebsd2.*)
+       _LT_TAGVAR(archive_cmds, $1)='$LD -Bshareable -o $lib $libobjs $deplibs $linker_flags'
+       _LT_TAGVAR(hardcode_direct, $1)=yes
+       _LT_TAGVAR(hardcode_minus_L, $1)=yes
+@@ -5185,7 +5258,6 @@
+       fi
+       if test "$with_gnu_ld" = no; then
+ 	_LT_TAGVAR(hardcode_libdir_flag_spec, $1)='${wl}+b ${wl}$libdir'
+-	_LT_TAGVAR(hardcode_libdir_flag_spec_ld, $1)='+b $libdir'
+ 	_LT_TAGVAR(hardcode_libdir_separator, $1)=:
+ 	_LT_TAGVAR(hardcode_direct, $1)=yes
+ 	_LT_TAGVAR(hardcode_direct_absolute, $1)=yes
+@@ -5627,9 +5699,6 @@
+ _LT_TAGDECL([], [hardcode_libdir_flag_spec], [1],
+     [Flag to hardcode $libdir into a binary during linking.
+     This must work even if $libdir does not exist])
+-_LT_TAGDECL([], [hardcode_libdir_flag_spec_ld], [1],
+-    [[If ld is used when linking, flag to hardcode $libdir into a binary
+-    during linking.  This must work even if $libdir does not exist]])
+ _LT_TAGDECL([], [hardcode_libdir_separator], [1],
+     [Whether we need a single "-rpath" flag with a separated argument])
+ _LT_TAGDECL([], [hardcode_direct], [0],
+@@ -5787,7 +5856,6 @@
+ _LT_TAGVAR(hardcode_direct, $1)=no
+ _LT_TAGVAR(hardcode_direct_absolute, $1)=no
+ _LT_TAGVAR(hardcode_libdir_flag_spec, $1)=
+-_LT_TAGVAR(hardcode_libdir_flag_spec_ld, $1)=
+ _LT_TAGVAR(hardcode_libdir_separator, $1)=
+ _LT_TAGVAR(hardcode_minus_L, $1)=no
+ _LT_TAGVAR(hardcode_shlibpath_var, $1)=unsupported
+@@ -6157,7 +6225,7 @@
+         esac
+         ;;
+ 
+-      freebsd[[12]]*)
++      freebsd2.*)
+         # C++ shared libraries reported to be fairly broken before
+ 	# switch to ELF
+         _LT_TAGVAR(ld_shlibs, $1)=no
+@@ -6918,12 +6986,18 @@
+   }
+ };
+ _LT_EOF
++], [$1], [GO], [cat > conftest.$ac_ext <<_LT_EOF
++package foo
++func foo() {
++}
++_LT_EOF
+ ])
+ 
+ _lt_libdeps_save_CFLAGS=$CFLAGS
+ case "$CC $CFLAGS " in #(
+ *\ -flto*\ *) CFLAGS="$CFLAGS -fno-lto" ;;
+ *\ -fwhopr*\ *) CFLAGS="$CFLAGS -fno-whopr" ;;
++*\ -fuse-linker-plugin*\ *) CFLAGS="$CFLAGS -fno-use-linker-plugin" ;;
+ esac
+ 
+ dnl Parse the compiler output and extract the necessary
+@@ -7120,7 +7194,6 @@
+ _LT_TAGVAR(hardcode_direct, $1)=no
+ _LT_TAGVAR(hardcode_direct_absolute, $1)=no
+ _LT_TAGVAR(hardcode_libdir_flag_spec, $1)=
+-_LT_TAGVAR(hardcode_libdir_flag_spec_ld, $1)=
+ _LT_TAGVAR(hardcode_libdir_separator, $1)=
+ _LT_TAGVAR(hardcode_minus_L, $1)=no
+ _LT_TAGVAR(hardcode_automatic, $1)=no
+@@ -7253,7 +7326,6 @@
+ _LT_TAGVAR(hardcode_direct, $1)=no
+ _LT_TAGVAR(hardcode_direct_absolute, $1)=no
+ _LT_TAGVAR(hardcode_libdir_flag_spec, $1)=
+-_LT_TAGVAR(hardcode_libdir_flag_spec_ld, $1)=
+ _LT_TAGVAR(hardcode_libdir_separator, $1)=
+ _LT_TAGVAR(hardcode_minus_L, $1)=no
+ _LT_TAGVAR(hardcode_automatic, $1)=no
+@@ -7440,6 +7512,77 @@
+ ])# _LT_LANG_GCJ_CONFIG
+ 
+ 
++# _LT_LANG_GO_CONFIG([TAG])
++# --------------------------
++# Ensure that the configuration variables for the GNU Go compiler
++# are suitably defined.  These variables are subsequently used by _LT_CONFIG
++# to write the compiler configuration to `libtool'.
++m4_defun([_LT_LANG_GO_CONFIG],
++[AC_REQUIRE([LT_PROG_GO])dnl
++AC_LANG_SAVE
++
++# Source file extension for Go test sources.
++ac_ext=go
++
++# Object file extension for compiled Go test sources.
++objext=o
++_LT_TAGVAR(objext, $1)=$objext
++
++# Code to be used in simple compile tests
++lt_simple_compile_test_code="package main; func main() { }"
++
++# Code to be used in simple link tests
++lt_simple_link_test_code='package main; func main() { }'
++
++# ltmain only uses $CC for tagged configurations so make sure $CC is set.
++_LT_TAG_COMPILER
++
++# save warnings/boilerplate of simple test code
++_LT_COMPILER_BOILERPLATE
++_LT_LINKER_BOILERPLATE
++
++# Allow CC to be a program name with arguments.
++lt_save_CC=$CC
++lt_save_CFLAGS=$CFLAGS
++lt_save_GCC=$GCC
++GCC=yes
++CC=${GOC-"gccgo"}
++CFLAGS=$GOFLAGS
++compiler=$CC
++_LT_TAGVAR(compiler, $1)=$CC
++_LT_TAGVAR(LD, $1)="$LD"
++_LT_CC_BASENAME([$compiler])
++
++# Go did not exist at the time GCC didn't implicitly link libc in.
++_LT_TAGVAR(archive_cmds_need_lc, $1)=no
++
++_LT_TAGVAR(old_archive_cmds, $1)=$old_archive_cmds
++_LT_TAGVAR(reload_flag, $1)=$reload_flag
++_LT_TAGVAR(reload_cmds, $1)=$reload_cmds
++
++## CAVEAT EMPTOR:
++## There is no encapsulation within the following macros, do not change
++## the running order or otherwise move them around unless you know exactly
++## what you are doing...
++if test -n "$compiler"; then
++  _LT_COMPILER_NO_RTTI($1)
++  _LT_COMPILER_PIC($1)
++  _LT_COMPILER_C_O($1)
++  _LT_COMPILER_FILE_LOCKS($1)
++  _LT_LINKER_SHLIBS($1)
++  _LT_LINKER_HARDCODE_LIBPATH($1)
++
++  _LT_CONFIG($1)
++fi
++
++AC_LANG_RESTORE
++
++GCC=$lt_save_GCC
++CC=$lt_save_CC
++CFLAGS=$lt_save_CFLAGS
++])# _LT_LANG_GO_CONFIG
++
++
+ # _LT_LANG_RC_CONFIG([TAG])
+ # -------------------------
+ # Ensure that the configuration variables for the Windows resource compiler
+@@ -7509,6 +7652,13 @@
+ dnl AC_DEFUN([LT_AC_PROG_GCJ], [])
+ 
+ 
++# LT_PROG_GO
++# ----------
++AC_DEFUN([LT_PROG_GO],
++[AC_CHECK_TOOL(GOC, gccgo,)
++])
++
++
+ # LT_PROG_RC
+ # ----------
+ AC_DEFUN([LT_PROG_RC],
+diff -u -Naur potrace-1.11/m4/ltoptions.m4 potrace-1.11-patched/m4/ltoptions.m4
+--- potrace-1.11/m4/ltoptions.m4	2012-02-23 20:32:33.000000000 -0400
++++ potrace-1.11-patched/m4/ltoptions.m4	2013-05-14 17:54:45.087791644 -0300
+@@ -326,9 +326,24 @@
+ # MODE is either `yes' or `no'.  If omitted, it defaults to `both'.
+ m4_define([_LT_WITH_PIC],
+ [AC_ARG_WITH([pic],
+-    [AS_HELP_STRING([--with-pic],
++    [AS_HELP_STRING([--with-pic@<:@=PKGS@:>@],
+ 	[try to use only PIC/non-PIC objects @<:@default=use both@:>@])],
+-    [pic_mode="$withval"],
++    [lt_p=${PACKAGE-default}
++    case $withval in
++    yes|no) pic_mode=$withval ;;
++    *)
++      pic_mode=default
++      # Look at the argument we got.  We use all the common list separators.
++      lt_save_ifs="$IFS"; IFS="${IFS}$PATH_SEPARATOR,"
++      for lt_pkg in $withval; do
++	IFS="$lt_save_ifs"
++	if test "X$lt_pkg" = "X$lt_p"; then
++	  pic_mode=yes
++	fi
++      done
++      IFS="$lt_save_ifs"
++      ;;
++    esac],
+     [pic_mode=default])
+ 
+ test -z "$pic_mode" && pic_mode=m4_default([$1], [default])
+diff -u -Naur potrace-1.11/missing potrace-1.11-patched/missing
+--- potrace-1.11/missing	2010-11-04 23:08:34.000000000 -0300
++++ potrace-1.11-patched/missing	2013-05-14 17:54:51.367873631 -0300
+@@ -1,10 +1,10 @@
+ #! /bin/sh
+ # Common stub for a few missing GNU programs while installing.
+ 
+-scriptversion=2009-04-28.21; # UTC
++scriptversion=2012-01-06.13; # UTC
+ 
+ # Copyright (C) 1996, 1997, 1999, 2000, 2002, 2003, 2004, 2005, 2006,
+-# 2008, 2009 Free Software Foundation, Inc.
++# 2008, 2009, 2010, 2011, 2012 Free Software Foundation, Inc.
+ # Originally by Fran,cois Pinard <pinard at iro.umontreal.ca>, 1996.
+ 
+ # This program is free software; you can redistribute it and/or modify
+@@ -84,7 +84,6 @@
+   help2man     touch the output file
+   lex          create \`lex.yy.c', if possible, from existing .c
+   makeinfo     touch the output file
+-  tar          try tar, gnutar, gtar, then tar without non-portable flags
+   yacc         create \`y.tab.[ch]', if possible, from existing .[ch]
+ 
+ Version suffixes to PROGRAM as well as the prefixes \`gnu-', \`gnu', and
+@@ -122,15 +121,6 @@
+     # Not GNU programs, they don't have --version.
+     ;;
+ 
+-  tar*)
+-    if test -n "$run"; then
+-       echo 1>&2 "ERROR: \`tar' requires --run"
+-       exit 1
+-    elif test "x$2" = "x--version" || test "x$2" = "x--help"; then
+-       exit 1
+-    fi
+-    ;;
+-
+   *)
+     if test -z "$run" && ($1 --version) > /dev/null 2>&1; then
+        # We have it, but it failed.
+@@ -226,7 +216,7 @@
+          \`Bison' from any GNU archive site."
+     rm -f y.tab.c y.tab.h
+     if test $# -ne 1; then
+-        eval LASTARG="\${$#}"
++        eval LASTARG=\${$#}
+ 	case $LASTARG in
+ 	*.y)
+ 	    SRCFILE=`echo "$LASTARG" | sed 's/y$/c/'`
+@@ -256,7 +246,7 @@
+          \`Flex' from any GNU archive site."
+     rm -f lex.yy.c
+     if test $# -ne 1; then
+-        eval LASTARG="\${$#}"
++        eval LASTARG=\${$#}
+ 	case $LASTARG in
+ 	*.l)
+ 	    SRCFILE=`echo "$LASTARG" | sed 's/l$/c/'`
+@@ -318,41 +308,6 @@
+     touch $file
+     ;;
+ 
+-  tar*)
+-    shift
+-
+-    # We have already tried tar in the generic part.
+-    # Look for gnutar/gtar before invocation to avoid ugly error
+-    # messages.
+-    if (gnutar --version > /dev/null 2>&1); then
+-       gnutar "$@" && exit 0
+-    fi
+-    if (gtar --version > /dev/null 2>&1); then
+-       gtar "$@" && exit 0
+-    fi
+-    firstarg="$1"
+-    if shift; then
+-	case $firstarg in
+-	*o*)
+-	    firstarg=`echo "$firstarg" | sed s/o//`
+-	    tar "$firstarg" "$@" && exit 0
+-	    ;;
+-	esac
+-	case $firstarg in
+-	*h*)
+-	    firstarg=`echo "$firstarg" | sed s/h//`
+-	    tar "$firstarg" "$@" && exit 0
+-	    ;;
+-	esac
+-    fi
+-
+-    echo 1>&2 "\
+-WARNING: I can't seem to be able to run \`tar' with the given arguments.
+-         You may want to install GNU tar or Free paxutils, or check the
+-         command line arguments."
+-    exit 1
+-    ;;
+-
+   *)
+     echo 1>&2 "\
+ WARNING: \`$1' is needed, and is $msg.
diff --git a/potrace.spec b/potrace.spec
index f5b3180..3fdce79 100644
--- a/potrace.spec
+++ b/potrace.spec
@@ -1,6 +1,6 @@
 Name:		potrace
 Version:	1.11
-Release:	1%{?dist}
+Release:	2%{?dist}
 Summary:	Transform bitmaps into vector graphics
 Group:		Applications/Multimedia
 # README defines license as GPLv2+
@@ -10,6 +10,8 @@ Source0:	http://downloads.sourceforge.net/%{name}/%{name}-%{version}.tar.gz
 # Documentation
 Source1:	http://potrace.sourceforge.net/potrace.pdf
 Source2:	http://potrace.sourceforge.net/potracelib.pdf
+# Patch for supporting 64 bit ARM from upstream
+Patch0:		potrace-1.11-autoconf.diff
 
 BuildRoot:	%(mktemp -ud %{_tmppath}/%{name}-%{version}-%{release}-XXXXXX)
 
@@ -91,6 +93,9 @@ rm -rf %{buildroot}
 %doc potrace.pdf potracelib.pdf
 
 %changelog
+* Wed May 15 2013 Susi Lehtola <jussilehtola at fedoraproject.org> - 1.11-2
+- Support for 64 bit ARM architecture (BZ #926364).
+
 * Wed Feb 20 2013 Susi Lehtola <jussilehtola at fedoraproject.org> - 1.11-1
 - Update to 1.11.
 
-- 
cgit v0.10.2


	http://pkgs.fedoraproject.org/cgit/potrace.git/commit/?h=el6&id=9a54bd0b7aefaccddbc5bfa79e438d01cf08b62d

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