--- ipe-7.2.24-orig/src/include/ipebase.h 2021-04-10 15:54:57.538796742 -0400
+++ ipe-7.2.24/src/include/ipebase.h 2021-04-10 15:56:06.025937312 -0400
@@ -36,6 +36,7 @@
#include <vector>
#include <algorithm>
#include <memory>
+#include <cstdint>
// --------------------------------------------------------------------