@@ -13,10 +13,14 @@
  * LICENSE.GPLv2 or LICENSE.GPLv3 respectively included in the packaging of this
  * file.
  */
 
 #import "OFObject.h"
+
+#ifndef OF_HAVE_SOCKETS
+# error No sockets available!
+#endif
 
 @class OFHTTPServer;
 @class OFHTTPRequest;
 @class OFHTTPRequestReply;
 @class OFTCPSocket;