Index: ITK-5.3.0/Modules/Filtering/MathematicalMorphology/include/itkMathematicalMorphologyEnums.h
===================================================================
--- ITK-5.3.0.orig/Modules/Filtering/MathematicalMorphology/include/itkMathematicalMorphologyEnums.h
+++ ITK-5.3.0/Modules/Filtering/MathematicalMorphology/include/itkMathematicalMorphologyEnums.h
@@ -20,6 +20,7 @@
 
 #include <iostream>
 #include "ITKMathematicalMorphologyExport.h"
+#include <cstdint>
 
 
 namespace itk