diff --git a/boost/config/compiler/compaq_cxx.hpp b/boost/config/compiler/compaq_cxx.hpp
new file mode 100644
index 0000000..b44486c
--- /dev/null
+++ b/boost/config/compiler/compaq_cxx.hpp
@@ -0,0 +1,19 @@
+//  (C) Copyright John Maddock 2001 - 2003. 
+//  Use, modification and distribution are subject to the 
+//  Boost Software License, Version 1.0. (See accompanying file 
+//  LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
+
+//  See http://www.boost.org for most recent version.
+
+//  Tru64 C++ compiler setup (now HP):
+
+#define BOOST_COMPILER "HP Tru64 C++ " BOOST_STRINGIZE(__DECCXX_VER)
+
+#include "boost/config/compiler/common_edg.hpp"
+
+//
+// versions check:
+// Nothing to do here?
+
+
+