--- src/ButtonBox.hpp.orig 2019-09-18 08:50:30 UTC
+++ src/ButtonBox.hpp
@@ -1,6 +1,7 @@
#ifndef BUTTONBOX_HPP_
#define BUTTONBOX_HPP_
+#include <sys/types.h>
#include <vector>
#include <cmath>
#include "BWidgets/BColors.hpp"