--- a/utils/libcecutil/cec-info.cpp +++ b/utils/libcecutil/cec-info.cpp @@ -5,6 +5,7 @@ * Copyright 2017 Cisco Systems, Inc. and/or its affiliates. All rights reserved. */ +#include <cctype> #include <stdio.h> #include <string> #include <unistd.h>