In common.h, define func_lib for function objects. In configure.ac, define HAVE_STD_FUNCTION and HAVE_BOOST_FUNCTION. Include function headers in ndnboost.
diff --git a/ndnboost/noncopyable.hpp b/ndnboost/noncopyable.hpp
new file mode 100644
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+++ b/ndnboost/noncopyable.hpp
@@ -0,0 +1,48 @@
+// Boost noncopyable.hpp header file --------------------------------------//
+
+// (C) Copyright Beman Dawes 1999-2003. Distributed under 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/libs/utility for documentation.
+
+#ifndef BOOST_NONCOPYABLE_HPP_INCLUDED
+#define BOOST_NONCOPYABLE_HPP_INCLUDED
+
+#include <ndnboost/config.hpp>
+
+namespace ndnboost {
+
+// Private copy constructor and copy assignment ensure classes derived from
+// class noncopyable cannot be copied.
+
+// Contributed by Dave Abrahams
+
+namespace noncopyable_ // protection from unintended ADL
+{
+ class noncopyable
+ {
+ protected:
+#ifndef BOOST_NO_DEFAULTED_FUNCTIONS
+ BOOST_CONSTEXPR noncopyable() = default;
+ ~noncopyable() = default;
+#else
+ noncopyable() {}
+ ~noncopyable() {}
+#endif
+#ifndef BOOST_NO_DELETED_FUNCTIONS
+ noncopyable( const noncopyable& ) = delete;
+ noncopyable& operator=( const noncopyable& ) = delete;
+#else
+ private: // emphasize the following members are private
+ noncopyable( const noncopyable& );
+ noncopyable& operator=( const noncopyable& );
+#endif
+ };
+}
+
+typedef noncopyable_::noncopyable noncopyable;
+
+} // namespace ndnboost
+
+#endif // BOOST_NONCOPYABLE_HPP_INCLUDED