ndnboost: Include boost::iostreams for internal use.
diff --git a/include/ndnboost/iostreams/detail/config/codecvt.hpp b/include/ndnboost/iostreams/detail/config/codecvt.hpp
new file mode 100644
index 0000000..afa45b2
--- /dev/null
+++ b/include/ndnboost/iostreams/detail/config/codecvt.hpp
@@ -0,0 +1,80 @@
+// (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.
+
+#ifndef NDNBOOST_IOSTREAMS_DETAIL_CONFIG_CODECVT_HPP_INCLUDED
+#define NDNBOOST_IOSTREAMS_DETAIL_CONFIG_CODECVT_HPP_INCLUDED
+
+#include <ndnboost/config.hpp>
+#include <ndnboost/detail/workaround.hpp>
+#include <ndnboost/iostreams/detail/config/wide_streams.hpp>
+#include <cstddef>
+
+#if defined(_MSC_VER) && (_MSC_VER >= 1020)
+# pragma once
+#endif
+
+//------------------Support for codecvt with user-defined state types---------//
+
+#if defined(__MSL_CPP__) || defined(__LIBCOMO__) || \
+ NDNBOOST_WORKAROUND(_STLPORT_VERSION, <= 0x450) \
+ /**/
+# define NDNBOOST_IOSTREAMS_NO_PRIMARY_CODECVT_DEFINITION
+#endif
+
+#if defined(__GLIBCPP__) || defined(__GLIBCXX__) || \
+ NDNBOOST_WORKAROUND(_STLPORT_VERSION, > 0x450) \
+ /**/
+# define NDNBOOST_IOSTREAMS_EMPTY_PRIMARY_CODECVT_DEFINITION
+#endif
+
+//------------------Check for codecvt ctor taking a reference count-----------//
+
+#if NDNBOOST_WORKAROUND(__MWERKS__, NDNBOOST_TESTED_AT(0x3205)) || \
+ NDNBOOST_WORKAROUND(_STLPORT_VERSION, < 0x461) \
+ /**/
+# define NDNBOOST_IOSTREAMS_NO_CODECVT_CTOR_FROM_SIZE_T
+#endif
+
+//------------------Normalize codecvt::length---------------------------------//
+
+#if !defined(__MSL_CPP__) && !defined(__LIBCOMO__) && \
+ (!defined(NDNBOOST_RWSTD_VER) || NDNBOOST_RWSTD_VER < 0x04010300) && \
+ (!defined(__MACH__) || !defined(__INTEL_COMPILER))
+ /**/
+# define NDNBOOST_IOSTREAMS_CODECVT_CV_QUALIFIER const
+#else
+# define NDNBOOST_IOSTREAMS_CODECVT_CV_QUALIFIER
+#endif
+
+//------------------Check for codecvt::max_length-----------------------------//
+
+#if NDNBOOST_WORKAROUND(_STLPORT_VERSION, < 0x461)
+# define NDNBOOST_IOSTREAMS_NO_CODECVT_MAX_LENGTH
+#endif
+
+//------------------Put mbstate_t and codecvt in std--------------------------//
+
+#ifndef NDNBOOST_IOSTREAMS_NO_LOCALE
+# include <locale>
+#endif
+
+// From Robert Ramey's version of utf8_codecvt_facet.
+namespace std {
+
+#if defined(__LIBCOMO__)
+ using ::mbstate_t;
+#elif defined(NDNBOOST_DINKUMWARE_STDLIB) && !defined(__BORLANDC__)
+ using ::mbstate_t;
+#elif defined(__SGI_STL_PORT)
+#elif defined(NDNBOOST_NO_STDC_NAMESPACE)
+ using ::codecvt;
+ using ::mbstate_t;
+#endif
+
+} // End namespace std.
+
+#endif // #ifndef NDNBOOST_IOSTREAMS_DETAIL_CONFIG_CODECVT_HPP_INCLUDED