diff -up qtwebkit-5.212.0-alpha4/Source/ThirdParty/ANGLE/src/common/mathutil.h.me qtwebkit-5.212.0-alpha4/Source/ThirdParty/ANGLE/src/common/mathutil.h
--- qtwebkit-5.212.0-alpha4/Source/ThirdParty/ANGLE/src/common/mathutil.h.me	2023-02-20 15:40:04.045911245 +0100
+++ qtwebkit-5.212.0-alpha4/Source/ThirdParty/ANGLE/src/common/mathutil.h	2023-02-20 15:40:39.038549787 +0100
@@ -16,6 +16,7 @@
 #include <algorithm>
 #include <string.h>
 #include <stdlib.h>
+#include <cstdint>
 
 namespace gl
 {