patch 7.4.1169
Problem:    The socket I/O is intertwined with the netbeans code.
Solution:   Start refactoring the netbeans communication to split off the
            socket I/O.  Add the +channel feature.
diff --git a/src/macros.h b/src/macros.h
index c4d27f8..ec0cdc3 100644
--- a/src/macros.h
+++ b/src/macros.h
@@ -317,6 +317,6 @@
 # define PLINES_NOFILL(x) plines(x)
 #endif
 
-#if defined(FEAT_NETBEANS_INTG) || defined(FEAT_CLIENTSERVER)
+#if defined(FEAT_CHANNEL) || defined(FEAT_CLIENTSERVER)
 # define MESSAGE_QUEUE
 #endif