qtwebkit: fix QA issue (bad RPATH)

Building qtwebkit causes a QA issue such that QtWebPluginProcess and
QtWebProcess contain bad RPATHs which point into the build location. This fix
adds a patch to not include the rpath.prf which causes this problem.

Signed-off-by: Trevor Woerner <trevor.woerner@linaro.org>
Signed-off-by: Martin Jansa <Martin.Jansa@gmail.com>

recipes-qt/qt5/qtwebkit.inc

@@ -14,7 +14,4 @@ EXTRA_QMAKEVARS_PRE += "${QTWEBKIT_DEBUG}"
 # remove default ${PN}-examples-dbg ${PN}-examples set in qt5.inc, because it conflicts with ${PN} from separate webkit-examples recipe
 PACKAGES = "${PN}-dbg ${PN}-staticdev ${PN}-dev ${PN}-doc ${PN}-locale ${PACKAGE_BEFORE_PN} ${PN} ${PN}-qmlplugins-dbg ${PN}-tools-dbg ${PN}-plugins-dbg ${PN}-qmlplugins ${PN}-tools ${PN}-plugins ${PN}-mkspecs "
 
-do_configure_append() {
-    # Fix rpaths for QtWebProcess
-    find -name "Makefile*" | xargs sed -i "s|-Wl,-rpath,${B}/lib||g"
-}
+SRC_URI += "file://fix-rpath.patch"

recipes-qt/qt5/qtwebkit/fix-rpath.patch

@@ -0,0 +1,13 @@
+Index: qtwebkit-opensource-src-5.1.0/Tools/qmake/mkspecs/features/unix/default_post.prf
+===================================================================
+--- qtwebkit-opensource-src-5.1.0.orig/Tools/qmake/mkspecs/features/unix/default_post.prf
++++ qtwebkit-opensource-src-5.1.0/Tools/qmake/mkspecs/features/unix/default_post.prf
+@@ -32,8 +32,6 @@ linux-*g++* {
+     QMAKE_OBJECTIVE_CFLAGS += -Wno-c++11-extensions -Wno-c++0x-extensions
+ }
+ 
+-contains(TEMPLATE, app): CONFIG += rpath
+-
+ isEqual(QT_ARCH,i386):CONFIG(debug, debug|release) {
+   # Make ld not cache the symbol tables of input files in memory to avoid memory exhaustion during the linking phase.
+   config_gnuld: QMAKE_LFLAGS += -Wl,--no-keep-memory