Allow the use of DT_RUNPATH.  This fixes a bug whereby libQt5WebEngineCore.so
ends up having an empty RUNPATH.


diff -u -r qt-everywhere-opensource-src-5.5.0.orig/qtwebengine/src/3rdparty/chromium/build/common.gypi qt-everywhere-opensource-src-5.5.0/qtwebengine/src/3rdparty/chromium/build/common.gypi
--- qt-everywhere-opensource-src-5.5.0.orig/qtwebengine/src/3rdparty/chromium/build/common.gypi	2015-06-29 22:09:36.000000000 +0200
+++ qt-everywhere-opensource-src-5.5.0/qtwebengine/src/3rdparty/chromium/build/common.gypi	2015-07-25 15:32:57.999411191 +0200
@@ -4448,19 +4448,6 @@
               '-B<!(cd <(DEPTH) && pwd -P)/<(binutils_dir)',
             ],
           }],
-          # Some binutils 2.23 releases may or may not have new dtags enabled,
-          # but they are all compatible with --disable-new-dtags,
-          # because the new dynamic tags are not created by default.
-          ['binutils_version>=223', {
-            # Newer binutils don't set DT_RPATH unless you disable "new" dtags
-            # and the new DT_RUNPATH doesn't work without --no-as-needed flag.
-            # FIXME(mithro): Figure out the --as-needed/--no-as-needed flags
-            # inside this file to allow usage of --no-as-needed and removal of
-            # this flag.
-            'ldflags': [
-              '-Wl,--disable-new-dtags',
-            ],
-          }],
           ['gcc_version>=47 and clang==0', {
             'target_conditions': [
               ['_toolset=="target"', {