Index: FreeCAD-0.20.2/src/3rdParty/libE57Format/include/E57Format.h
===================================================================
--- FreeCAD-0.20.2.orig/src/3rdParty/libE57Format/include/E57Format.h
+++ FreeCAD-0.20.2/src/3rdParty/libE57Format/include/E57Format.h
@@ -34,6 +34,7 @@
#include <cfloat>
#include <memory>
#include <vector>
+#include <cstdint>
#include "E57Exception.h"