diff -up libdap-3.20.10/Constructor.cc.include libdap-3.20.10/Constructor.cc
--- libdap-3.20.10/Constructor.cc.include	2022-06-26 15:55:00.000000000 -0600
+++ libdap-3.20.10/Constructor.cc	2023-01-17 07:23:47.199638401 -0700
@@ -31,6 +31,7 @@
 
 #include "config.h"
 
+#include <cstdint>
 #include <string>
 #include <sstream>
 #include <algorithm>