# just includes limits.h to provide PATH_MAX definition
--- rrdtool-1.7.2/src/rrd.h.new       2022-01-03 20:59:16.535205166 +0000
+++ rrdtool-1.7.2/src/rrd.h   2022-01-03 20:59:01.326091575 +0000
@@ -72,6 +72,7 @@
 #include <time.h>
 #include <stdio.h>      /* for FILE */
 #include <string.h>
+#include <limits.h>

 /* Formerly rrd_nan_inf.h */
 #ifndef DNAN