gtk+3: refresh cross.patch

cross.patch was accepted upstream, so update this patch with the commit that was
merged.

(From OE-Core rev: 8e5ffa370c4259f925a0454fe7fd81c80ef2174b)

Signed-off-by: Ross Burton <ross.burton@intel.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>

meta/recipes-gnome/gtk+/gtk+3/cross.patch

-Upstream-Status: Submitted [#691301]
+Upstream-Status: Backport [SHA 53083ea7b423482b203372f02d097edbef894a7d]
 Signed-off-by: Ross Burton <ross.burton@intel.com>
 
-From 2ce72e5d53e84a2eba8c3f2cb6af25ffffc46ea9 Mon Sep 17 00:00:00 2001
+From b670abe861e8dde067f544b9131edc28575d63ab Mon Sep 17 00:00:00 2001
 From: Ross Burton <ross.burton@intel.com>
 Date: Mon, 7 Jan 2013 12:49:27 +0000
 Subject: [PATCH] build: support cross-compilation by natively building
@@ -17,16 +17,16 @@ assumes that you'd set PKG_CONFIG_FOR_BUILD to a host pkg-config binary.
 
 https://bugzilla.gnome.org/show_bug.cgi?id=691301
 ---
- configure.ac               |   25 +++++++--
+ configure.ac               |   39 ++++++++++----
  gtk/Makefile.am            |   12 ++++-
  gtk/native/Makefile.am     |   12 +++++
  m4/ax_prog_cc_for_build.m4 |  125 ++++++++++++++++++++++++++++++++++++++++++++
- 4 files changed, 168 insertions(+), 6 deletions(-)
+ 4 files changed, 177 insertions(+), 11 deletions(-)
  create mode 100644 gtk/native/Makefile.am
  create mode 100644 m4/ax_prog_cc_for_build.m4
 
 diff --git a/configure.ac b/configure.ac
-index 0069a9f..35b5f27 100644
+index 0069a9f..f502e06 100644
 --- a/configure.ac
 +++ b/configure.ac
 @@ -29,6 +29,9 @@ AC_CONFIG_SRCDIR([gdk/gdktypes.h])
@@ -56,38 +56,47 @@ index 0069a9f..35b5f27 100644
  MATH_LIB=-lm
  AC_MSG_CHECKING([for native Win32])
  LIB_EXE_MACHINE_FLAG=X86
-@@ -868,14 +870,28 @@ dnl Look for a host system's gdk-pixbuf-csource if we are cross-compiling
+@@ -868,14 +870,32 @@ dnl Look for a host system's gdk-pixbuf-csource if we are cross-compiling
  
  AM_CONDITIONAL(CROSS_COMPILING, test $cross_compiling = yes)
  
 -if test "x$cross_compiling" = xyes || test "x$enable_gtk2_dependency" = xyes; then
-+if test "x$enable_gtk2_dependency" = xyes; then
-   AC_PATH_PROG(GTK_UPDATE_ICON_CACHE, gtk-update-icon-cache, no)
-   if test x$GTK_UPDATE_ICON_CACHE = xno; then
-     REBUILD_PNGS=#
-   fi
-+elif test "x$cross_compiling" = xyes; then
-+  # If no GTK+2 dependency and cross compiling, we need to find a host gdk-pixbuf.
+-  AC_PATH_PROG(GTK_UPDATE_ICON_CACHE, gtk-update-icon-cache, no)
+-  if test x$GTK_UPDATE_ICON_CACHE = xno; then
+-    REBUILD_PNGS=#
+-  fi
+-fi
++AS_IF([test "x$enable_gtk2_dependency" = xyes],
++      [AC_PATH_PROG(GTK_UPDATE_ICON_CACHE, gtk-update-icon-cache, no)
++       if test x$GTK_UPDATE_ICON_CACHE = xno; then
++         REBUILD_PNGS=#
++       fi],
++
++      [test "x$cross_compiling" = xyes],
++      [# If no GTK+2 dependency and cross compiling, we need to find a host gdk-pixbuf.
 +       # pkg.m4 blocks all variable starting with PKG, so allow this one
 +       m4_pattern_allow([PKG_CONFIG_FOR_BUILD])
++
++       AS_IF([test x$PKG_CONFIG_FOR_BUILD = x],
++             [AC_MSG_ERROR([You must define PKG_CONFIG_FOR_BUILD when cross compiling])])
++
 +       AC_MSG_CHECKING([for native gdk-pixbuf])
-+  if AC_RUN_LOG([$PKG_CONFIG_FOR_BUILD --exists --print-errors gdk-pixbuf-2.0]); then
-+    AC_MSG_RESULT([yes])
-+  else
-+    AC_MSG_ERROR([native gdk-pixbuf not found])
-+  fi
++       AS_IF([AC_RUN_LOG([$PKG_CONFIG_FOR_BUILD --exists --print-errors gdk-pixbuf-2.0])],
++             [AC_MSG_RESULT([yes])],
++             [AC_MSG_ERROR([native gdk-pixbuf not found])])
++
 +       NATIVE_GDKPIXBUF_CFLAGS=`$PKG_CONFIG_FOR_BUILD --cflags gdk-pixbuf-2.0`
 +       NATIVE_GDKPIXBUF_LIBS=`$PKG_CONFIG_FOR_BUILD --libs gdk-pixbuf-2.0`
 +       AC_SUBST(NATIVE_GDKPIXBUF_CFLAGS)
-+  AC_SUBST(NATIVE_GDKPIXBUF_LIBS)
- fi
++       AC_SUBST(NATIVE_GDKPIXBUF_LIBS)]
++)
  
 -AM_CONDITIONAL(USE_EXTERNAL_ICON_CACHE, [test "x$cross_compiling" = xyes || test "x$enable_gtk2_dependency" = xyes])
 +AM_CONDITIONAL(USE_EXTERNAL_ICON_CACHE, [test "x$enable_gtk2_dependency" = xyes])
  
  AC_PATH_PROG(GDK_PIXBUF_CSOURCE, gdk-pixbuf-csource, no)
  
-@@ -1742,6 +1758,7 @@ gtk/makefile.msc
+@@ -1742,6 +1762,7 @@ gtk/makefile.msc
  gtk/gtkversion.h
  gtk/gtk-win32.rc
  gtk/a11y/Makefile