diff -rupN qtwebkit-5.212.0-alpha4/Source/ThirdParty/ANGLE/src/common/mathutil.h qtwebkit-5.212.0-alpha4-new/Source/ThirdParty/ANGLE/src/common/mathutil.h
--- qtwebkit-5.212.0-alpha4/Source/ThirdParty/ANGLE/src/common/mathutil.h	2020-03-04 18:16:37.000000000 +0100
+++ qtwebkit-5.212.0-alpha4-new/Source/ThirdParty/ANGLE/src/common/mathutil.h	2023-07-18 13:19:04.113142468 +0200
@@ -14,6 +14,7 @@
 
 #include <limits>
 #include <algorithm>
+#include <cstdint>
 #include <string.h>
 #include <stdlib.h>