qt building on mac

extdep/qt.cmake

@@ -1,5 +1,12 @@
 if(APPLE)
-
+ExternalProject_add(qt
+	URL http://qtmirror.ics.com/pub/qtproject/official_releases/qt/5.3/5.3.2/single/qt-everywhere-opensource-src-5.3.2.tar.gz
+	BINARY_DIR qt-prefix/src/qt
+	PATCH_COMMAND patch -d qtmultimedia/src/plugins/avfoundation/mediaplayer < ${CMAKE_CURRENT_SOURCE_DIR}/qt_osx.patch
+	CONFIGURE_COMMAND ./configure -prefix ${ETH_DEPENDENCY_INSTALL_DIR} -system-zlib -qt-libpng -qt-libjpeg -confirm-license -opensource -nomake tests -release -nomake examples -no-xcb -arch x86_64
+	BUILD_COMMAND make
+	INSTALL_COMMAND make install
+	)
 elseif(WIN32)
 ExternalProject_Add(qt
 	DEPENDS icu jom
@@ -19,12 +26,6 @@ ExternalProject_Add_Step(qt configure_paths
 	DEPENDERS configure
 	)
 
-#ExternalProject_Add_Step(qt configure_visual
-#	COMMAND ${CMAKE_CURRENT_SOURCE_DIR}/tools.bat
-#	DEPENDEES patch
-#	DEPENDERS configure
-#	)
-
 else()
 
 endif()

extdep/qt_osx.patch

@@ -0,0 +1,11 @@
+--- avfmediaplayersession.mm	2014-09-11 12:48:26.000000000 +0200
++++ avfmediaplayersessionPatch.mm	2014-12-01 12:53:14.000000000 +0100
+@@ -295,7 +295,7 @@
+     //AVPlayerItem "status" property value observer.
+     if (context == AVFMediaPlayerSessionObserverStatusObservationContext)
+     {
+-        AVPlayerStatus status = [[change objectForKey:NSKeyValueChangeNewKey] integerValue];
++        AVPlayerStatus status = (AVPlayerStatus)[[change objectForKey:NSKeyValueChangeNewKey] integerValue];
+         switch (status)
+         {
+             //Indicates that the status of the player is not yet known because