1 files changed, 8 insertions, 0 deletions
diff --git a/TAO/MPC/config/taobaseidldefaults.mpb b/TAO/MPC/config/taobaseidldefaults.mpb
index f92825663a1..1797415351a 100644
--- a/TAO/MPC/config/taobaseidldefaults.mpb
+++ b/TAO/MPC/config/taobaseidldefaults.mpb
@@ -65,6 +65,14 @@ project: build_files {
       commandflags(-Gsv) += _svnt
     }
 
+    optional(source_pre_extension) {
+      commandflags(-Gcn) += _conn
+    }
+
+    optional(header_pre_extension) {
+      commandflags(-Gcn) += _conn
+    }
+
     optional(generic_outputext) {
       commandflags(-Glem) += E.idl
     }