ndnboost: Include boost::iostreams for internal use.
diff --git a/include/ndnboost/iostreams/detail/config/auto_link.hpp b/include/ndnboost/iostreams/detail/config/auto_link.hpp
new file mode 100644
index 0000000..da9f805
--- /dev/null
+++ b/include/ndnboost/iostreams/detail/config/auto_link.hpp
@@ -0,0 +1,49 @@
+// (C) Copyright 2008 CodeRage, LLC (turkanis at coderage dot com)
+// (C) Copyright 2003-2007 Jonathan Turkanis
+// 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/iostreams for documentation.
+
+// Adapted from <ndnboost/config/auto_link.hpp> and from
+// http://www.boost.org/more/separate_compilation.html, by John Maddock.
+
+#ifndef NDNBOOST_IOSTREAMS_DETAIL_AUTO_LINK_HPP_INCLUDED
+#define NDNBOOST_IOSTREAMS_DETAIL_AUTO_LINK_HPP_INCLUDED
+
+#if defined(_MSC_VER) && (_MSC_VER >= 1020)
+# pragma once
+#endif
+
+#if defined(NDNBOOST_EXTERNAL_LIB_NAME)
+# if defined(NDNBOOST_MSVC) \
+ || defined(__BORLANDC__) \
+ || (defined(__MWERKS__) && defined(_WIN32) && (__MWERKS__ >= 0x3000)) \
+ || (defined(__ICL) && defined(_MSC_EXTENSIONS) && (_MSC_VER >= 1200)) \
+ /**/
+# pragma comment(lib, NDNBOOST_EXTERNAL_LIB_NAME)
+# endif
+# undef NDNBOOST_EXTERNAL_LIB_NAME
+#endif
+
+//------------------Enable automatic library variant selection----------------//
+
+#if !defined(NDNBOOST_IOSTREAMS_SOURCE) && \
+ !defined(NDNBOOST_ALL_NO_LIB) && \
+ !defined(NDNBOOST_IOSTREAMS_NO_LIB) \
+ /**/
+
+// Set the name of our library, this will get undef'ed by auto_link.hpp
+// once it's done with it.
+# define NDNBOOST_LIB_NAME ndnboost_iostreams
+
+// If we're importing code from a dll, then tell auto_link.hpp about it.
+# if defined(NDNBOOST_ALL_DYN_LINK) || defined(NDNBOOST_IOSTREAMS_DYN_LINK)
+# define NDNBOOST_DYN_LINK
+# endif
+
+// And include the header that does the work.
+# include <ndnboost/config/auto_link.hpp>
+#endif // auto-linking disabled
+
+#endif // #ifndef NDNBOOST_IOSTREAMS_DETAIL_AUTO_LINK_HPP_INCLUDED