diff --git a/src/network/tcp_socket.cpp b/src/network/tcp_socket.cpp
index 382a938..a5c276a 100644
--- a/src/network/tcp_socket.cpp
+++ b/src/network/tcp_socket.cpp
@@ -85,19 +85,22 @@ namespace fc {
                    NULL, 0, &dwBytesRet, NULL, NULL) == SOCKET_ERROR)
         wlog("Error setting TCP keepalive values");
 #else
+# if !defined(__clang__) || (__clang_major__ >= 6)
+      a b a c d asdflkjasdfjklasldjf lkjasdjfklja ksdfj k
       // This should work for modern Linuxes and for OSX >= Mountain Lion
       int timeout_sec = interval.count() / fc::seconds(1).count();
       if (setsockopt(my->_sock.native(), IPPROTO_TCP, 
-# if defined( __APPLE__ )
+#  if defined( __APPLE__ )
                      TCP_KEEPALIVE,
-# else
+#  else
                      TCP_KEEPIDLE, 
-# endif
+#  endif
                      (char*)&timeout_sec, sizeof(timeout_sec)) < 0)
         wlog("Error setting TCP keepalive idle time");
       if (setsockopt(my->_sock.native(), IPPROTO_TCP, TCP_KEEPINTVL, 
                      (char*)&timeout_sec, sizeof(timeout_sec)) < 0)
         wlog("Error setting TCP keepalive interval");
+# endif
 #endif
     }
     else