--- src/ccnr.h.orig 2020-07-06 15:45:41.000000000 -0600
+++ src/ccnr.h 2023-01-17 19:24:13.235505927 -0700
@@ -25,6 +25,7 @@ THE SOFTWARE.
#include <string>
#include <vector>
+#include <cstdint>
#include "ccnr_mersenne.h"
using std::vector;