# To avoid a lot of empty CMakeLists.txt files we assume it is not an # error if it is missing if(EXISTS ${BOARD_DIR}/CMakeLists.txt) if(USING_OUT_OF_TREE_BOARD) set(build_dir boards/${ARCH}/${BOARD}) else() unset(build_dir) endif() add_subdirectory(${BOARD_DIR} ${build_dir}) endif()