--- src/tools.h	2019-06-19 01:08:04.000000000 +0800
+++ src/tools.h	2024-03-21 22:52:40.000000000 +0800
@@ -30,6 +30,9 @@
 #include <algorithm>
 #include <iostream>
 #include <fstream>
+#ifdef __APPLE__
+#include <sys/types.h> /* uint */
+#endif
 #include "config.h"
 
 /* i18n */