The huge item definition and item namespace unification patch (itemdef), see http://c55.me/minetest/wiki/doku.php?id=changes:itemdef

src/CMakeLists.txt

@@ -100,9 +100,8 @@ set(common_SRCS
 	content_abm.cpp
 	craftdef.cpp
 	nameidmapping.cpp
-	tooldef.cpp
+	itemdef.cpp
 	nodedef.cpp
-	craftitemdef.cpp
 	luaentity_common.cpp
 	scriptapi.cpp
 	script.cpp