if(EXISTS ${CMAKE_CURRENT_SOURCE_DIR}/rostests/)
add_subdirectory(rostests)
endif()
+
+if(EXISTS ${CMAKE_CURRENT_SOURCE_DIR}/rosapps/)
+add_subdirectory(rosapps)
+endif()
+
+if(EXISTS ${CMAKE_CURRENT_SOURCE_DIR}/wallpaper/)
+add_subdirectory(wallpaper)
+endif()