Problem: Private/internal macros defined in public header.

Solution: Move the macros to a private header.

src/tcp_connecter.cpp

@@ -30,6 +30,7 @@
 #include <new>
 #include <string>
 
+#include "macros.hpp"
 #include "tcp_connecter.hpp"
 #include "stream_engine.hpp"
 #include "io_thread.hpp"