diff --git a/include/rabit/internal/io.h b/include/rabit/internal/io.h index a492cf705..f7e255b45 100644 --- a/include/rabit/internal/io.h +++ b/include/rabit/internal/io.h @@ -12,6 +12,7 @@ #include #include #include +#include #include "rabit/internal/utils.h" #include "rabit/serializable.h"