binutils: fix library RPATHs

This integrates the RPATH fixes we recently applied to libtool.

Signed-off-by: Scott Garman <scott.a.garman@intel.com>

meta/recipes-devtools/binutils/binutils-2.21/libtool-rpath-fix.patch

@@ -0,0 +1,36 @@
+Enabling sysroot support in libtool exposed a bug where the final
+library had an RPATH encoded into it which still pointed to the
+sysroot. This works around the issue until it gets sorted out
+upstream.
+
+Fix suggested by Richard Purdie <richard.purdie@linuxfoundation.org> 
+Signed-off-by: Scott Garman <scott.a.garman@intel.com>
+
+diff -urN binutils-2.21.orig//ltmain.sh binutils-2.21/ltmain.sh
+--- binutils-2.21.orig//ltmain.sh	2011-01-18 11:50:40.821710085 -0800
++++ binutils-2.21/ltmain.sh	2011-01-18 11:51:38.774952785 -0800
+@@ -8035,9 +8035,11 @@
+ 	  test "$opt_mode" != relink && rpath="$compile_rpath$rpath"
+ 	  for libdir in $rpath; do
+ 	    if test -n "$hardcode_libdir_flag_spec"; then
++		  func_replace_sysroot "$libdir"
++		  libdir=$func_replace_sysroot_result
++		  func_stripname '=' '' "$libdir"
++		  libdir=$func_stripname_result
+ 	      if test -n "$hardcode_libdir_separator"; then
+-		func_replace_sysroot "$libdir"
+-		libdir=$func_replace_sysroot_result
+ 		if test -z "$hardcode_libdirs"; then
+ 		  hardcode_libdirs="$libdir"
+ 		else
+@@ -8770,6 +8772,10 @@
+       hardcode_libdirs=
+       for libdir in $compile_rpath $finalize_rpath; do
+ 	if test -n "$hardcode_libdir_flag_spec"; then
++	  func_replace_sysroot "$libdir"
++	  libdir=$func_replace_sysroot_result
++	  func_stripname '=' '' "$libdir"
++	  libdir=$func_stripname_result
+ 	  if test -n "$hardcode_libdir_separator"; then
+ 	    if test -z "$hardcode_libdirs"; then
+ 	      hardcode_libdirs="$libdir"

meta/recipes-devtools/binutils/binutils_2.21.bb

@@ -28,6 +28,7 @@ SRC_URI = "\
      file://binutils-2.19.1-ld-sysroot.patch \
      file://libiberty_path_fix.patch \
      file://binutils-poison.patch \
+     file://libtool-rpath-fix.patch \
      "
 
 SRC_URI[md5sum] = "c84c5acc9d266f1a7044b51c85a823f5"