split utility.hpp header

[SVN r17472]

checked_delete_test.cpp

@@ -11,7 +11,7 @@
 //  Revision History
 //  21 May 01  Initial version (Beman Dawes)
 
-#include <boost/utility.hpp>  // for checked_delete
+#include <boost/checked_delete.hpp>  // for checked_delete
 
 //  This program demonstrates compiler errors when trying to delete an
 //  incomplete type.

include/boost/noncopyable.hpp

@@ -0,0 +1,33 @@
+//  Boost noncopyable.hpp header file  --------------------------------------//
+
+//  (C) Copyright Boost.org 1999-2003. Permission to copy, use, modify, sell
+//  and distribute this software is granted provided this copyright
+//  notice appears in all copies. This software is provided "as is" without
+//  express or implied warranty, and with no claim as to its suitability for
+//  any purpose.
+
+//  See http://www.boost.org/libs/utility for documentation.
+
+#ifndef BOOST_NONCOPYABLE_HPP_INCLUDED
+#define BOOST_NONCOPYABLE_HPP_INCLUDED
+
+namespace boost {
+
+//  Private copy constructor and copy assignment ensure classes derived from
+//  class noncopyable cannot be copied.
+
+//  Contributed by Dave Abrahams
+
+class noncopyable
+{
+ protected:
+    noncopyable() {}
+    ~noncopyable() {}
+ private:  // emphasize the following members are private
+    noncopyable( const noncopyable& );
+    const noncopyable& operator=( const noncopyable& );
+};
+
+} // namespace boost
+
+#endif  // BOOST_NONCOPYABLE_HPP_INCLUDED