--- src/xalanc/XalanEXSLT/XalanEXSLTMath.cpp.orig	2020-06-07 19:17:25.000000000 +1000
+++ src/xalanc/XalanEXSLT/XalanEXSLTMath.cpp	2022-12-14 21:25:36.000000000 +1100
@@ -21,6 +21,7 @@
 
 
 #include <cmath>
+#include <cstdlib>
 #include <ctime>