I needed to add this header include to ucs/clientlist.cpp to compile on my system. I do not know if this is a 64bit problem or just my version of gcc.
Code:
Index: ucs/clientlist.cpp
===================================================================
--- ucs/clientlist.cpp (revision 37)
+++ ucs/clientlist.cpp (revision 38)
@@ -31,6 +31,7 @@
#include "../common/EmuTCPServer.h"
#include <list>
#include <vector>
+#include <algorithm>
#include <string>
#include <cstdlib>