diff -up wacomtablet-3.0.0~beta1/CMakeLists.txt.no_po wacomtablet-3.0.0~beta1/CMakeLists.txt
--- wacomtablet-3.0.0~beta1/CMakeLists.txt.no_po	2015-10-28 12:53:01.000000000 -0500
+++ wacomtablet-3.0.0~beta1/CMakeLists.txt	2016-02-16 13:14:06.956310204 -0600
@@ -56,6 +56,7 @@ add_subdirectory( src )
 add_subdirectory( data )
 add_subdirectory( images )
 add_subdirectory( doc )
+add_subdirectory( po )
 
 ### Tests
 if(BUILD_TESTING)
@@ -66,5 +67,3 @@ endif()
 
 feature_summary(WHAT ALL INCLUDE_QUIET_PACKAGES FATAL_ON_MISSING_REQUIRED_PACKAGES)
 
-include(MacroOptionalAddSubdirectory)
-macro_optional_add_subdirectory( po )