+diff -up libebml-1.4.2/src/EbmlString.cpp.gcc11 libebml-1.4.2/src/EbmlString.cpp
+--- libebml-1.4.2/src/EbmlString.cpp.gcc11 2021-02-18 12:42:59.000000000 +0100
++++ libebml-1.4.2/src/EbmlString.cpp 2021-03-01 11:42:02.122854703 +0100
+@@ -34,6 +34,7 @@
+ \author Steve Lhomme <robux4 @ users.sf.net>
+ */
+ #include <cassert>
++#include <limits>
+
+ #include "ebml/EbmlString.h"
+
+diff -up libebml-1.4.2/src/EbmlUnicodeString.cpp.gcc11 libebml-1.4.2/src/EbmlUnicodeString.cpp
+--- libebml-1.4.2/src/EbmlUnicodeString.cpp.gcc11 2021-03-01 11:42:02.121854696 +0100
++++ libebml-1.4.2/src/EbmlUnicodeString.cpp 2021-03-01 11:42:21.772995170 +0100
+@@ -36,6 +36,7 @@
+ */
+
+ #include <cassert>
++#include <limits>
+
+ #include "ebml/EbmlUnicodeString.h"
+