--- src/Error.hh.orig	2019-06-24 11:12:35.825267571 +0200
+++ src/Error.hh	2019-06-24 11:12:46.505396162 +0200
@@ -26,6 +26,8 @@
 #include "ErrorCode.hh"
 #include "UCS_string.hh"
 
+#include <cstring>
+
 #ifdef __GNUC__
     #define GNUC__noreturn __attribute__ ((noreturn))
 #else