1 files changed, 4 insertions, 1 deletions
diff --git a/ace/Dump_T.h b/ace/Dump_T.h
index 2aadc9892b8..fa8916064d9 100644
--- a/ace/Dump_T.h
+++ b/ace/Dump_T.h
@@ -1,7 +1,6 @@
 /* -*- C++ -*- */
 // $Id$
 
-
 // ============================================================================
 //
 // = LIBRARY
@@ -20,6 +19,10 @@
 
 #include "ace/Dump.h"
 
+#if !defined (ACE_LACKS_PRAGMA_ONCE)
+#pragma once
+#endif /* ACE_LACKS_PRAGMA_ONCE */
+
 template <class Concrete>
 class ACE_Dumpable_Adapter : public ACE_Dumpable
 {