gconf: Ensure the correct backend directory is used

Without these changes, gconf will use the hardcoded backend directory meaning
we can see errors when building if the binary was relocated.

(From OE-Core rev: aaa2a70f7f1b8a299f31626d61d7ea27f29fb9e2)

Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>

meta/classes/gconf.bbclass

@@ -3,6 +3,7 @@ DEPENDS += "gconf gconf-native"
 # This is referenced by the gconf m4 macros and would default to the value hardcoded
 # into gconf at compile time otherwise
 export GCONF_SCHEMA_INSTALL_SOURCE = "xml:merged:${STAGING_DIR_NATIVE}${sysconfdir}/gconf/gconf.xml.defaults"
+export GCONF_BACKEND_DIR = "${STAGING_LIBDIR_NATIVE}/GConf/2"
 
 gconf_postinst() {
 if [ "x$D" != "x" ]; then

meta/recipes-gnome/gnome/gconf-3.2.3/backenddir.patch

@@ -0,0 +1,43 @@
+Allow the backend directory to be specified from the environment. This is 
+required so we can relocate gconf-native to different paths and still
+allow it to work.
+
+Upstream-Status: Pending
+
+RP 2011/11/23
+
+Index: GConf-3.2.3/gconf/gconf-backend.c
+===================================================================
+--- GConf-3.2.3.orig/gconf/gconf-backend.c	2011-07-01 14:01:20.000000000 +0100
++++ GConf-3.2.3/gconf/gconf-backend.c	2011-11-23 14:56:37.141293320 +0000
+@@ -21,6 +21,7 @@
+ #include <config.h>
+ #include "gconf-backend.h"
+ #include "gconf-internals.h"
++#include <stdlib.h>
+ #include <stdio.h>
+ #include <string.h>
+ #include <sys/stat.h>
+@@ -171,6 +172,7 @@
+   gchar* back;
+   gchar* file;
+   gchar* retval;
++  const gchar* backenddir;
+ 
+   g_return_val_if_fail(address != NULL, NULL);
+ 
+@@ -179,9 +181,13 @@
+   if (back == NULL)
+     return NULL;
+ 
++  backenddir = getenv("GCONF_BACKEND_DIR");
++  if (backenddir == NULL)
++    backenddir = GCONF_BACKEND_DIR;
++
+   file = g_strconcat("gconfbackend-", back, NULL);
+   
+-  retval = g_module_build_path(GCONF_BACKEND_DIR, file);
++  retval = g_module_build_path(backenddir, file);
+ 
+   g_free(back);
+ 

meta/recipes-gnome/gnome/gconf_3.2.3.bb

@@ -5,10 +5,13 @@ LIC_FILES_CHKSUM = "file://COPYING;md5=55ca817ccb7d5b5b66355690e9abc605"
 
 DEPENDS = "glib-2.0 dbus dbus-glib libxml2 intltool-native"
 
+PR = "r1"
+
 inherit gnomebase
 
 SRC_URI = "${GNOME_MIRROR}/GConf/${@gnome_verdir("${PV}")}/GConf-${PV}.tar.bz2;name=archive \
-	   file://nointro.patch"
+	   file://nointro.patch \
+	   file://backenddir.patch"
 
 SRC_URI[archive.md5sum] = "f80329173cd9d134ad07e36002dd2a15"
 SRC_URI[archive.sha256sum] = "52008a82a847527877d9e1e549a351c86cc53cada4733b8a70a1123925d6aff4"