Fix build

Global.h

@@ -134,6 +134,7 @@ static_assert(sizeof(bool) == 1, "Bool needs to be 1 byte in size.");
 #include <random>
 #include <regex>
 #include <set>
+#include <shared_mutex>
 #include <sstream>
 #include <string>
 #include <unordered_map>