Index: indiserver/TcpServer.cpp
--- indiserver/TcpServer.cpp.orig
+++ indiserver/TcpServer.cpp
@@ -22,6 +22,7 @@
 #include "ClInfo.hpp"
 #include "CommandLineArgs.hpp"
 
+#include <sys/socket.h>
 #include <netinet/in.h>
 #include <arpa/inet.h>
 #include <fcntl.h>
