ndnboost: Include boost::iostreams for internal use.
diff --git a/include/ndnboost/regex/v4/char_regex_traits.hpp b/include/ndnboost/regex/v4/char_regex_traits.hpp
new file mode 100644
index 0000000..e5e5228
--- /dev/null
+++ b/include/ndnboost/regex/v4/char_regex_traits.hpp
@@ -0,0 +1,81 @@
+/*
+ *
+ * Copyright (c) 2002
+ * John Maddock
+ *
+ * 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)
+ *
+ */
+
+ /*
+ * LOCATION: see http://www.boost.org for most recent version.
+ * FILE char_regex_traits.cpp
+ * VERSION see <ndnboost/version.hpp>
+ * DESCRIPTION: Declares deprecated traits classes char_regex_traits<>.
+ */
+
+
+#ifndef NDNBOOST_REGEX_V4_CHAR_REGEX_TRAITS_HPP
+#define NDNBOOST_REGEX_V4_CHAR_REGEX_TRAITS_HPP
+
+#ifdef NDNBOOST_MSVC
+#pragma warning(push)
+#pragma warning(disable: 4103)
+#endif
+#ifdef NDNBOOST_HAS_ABI_HEADERS
+# include NDNBOOST_ABI_PREFIX
+#endif
+#ifdef NDNBOOST_MSVC
+#pragma warning(pop)
+#endif
+
+namespace ndnboost{
+
+namespace deprecated{
+//
+// class char_regex_traits_i
+// provides case insensitive traits classes (deprecated):
+template <class charT>
+class char_regex_traits_i : public regex_traits<charT> {};
+
+template<>
+class char_regex_traits_i<char> : public regex_traits<char>
+{
+public:
+ typedef char char_type;
+ typedef unsigned char uchar_type;
+ typedef unsigned int size_type;
+ typedef regex_traits<char> base_type;
+
+};
+
+#ifndef NDNBOOST_NO_WREGEX
+template<>
+class char_regex_traits_i<wchar_t> : public regex_traits<wchar_t>
+{
+public:
+ typedef wchar_t char_type;
+ typedef unsigned short uchar_type;
+ typedef unsigned int size_type;
+ typedef regex_traits<wchar_t> base_type;
+
+};
+#endif
+} // namespace deprecated
+} // namespace ndnboost
+
+#ifdef NDNBOOST_MSVC
+#pragma warning(push)
+#pragma warning(disable: 4103)
+#endif
+#ifdef NDNBOOST_HAS_ABI_HEADERS
+# include NDNBOOST_ABI_SUFFIX
+#endif
+#ifdef NDNBOOST_MSVC
+#pragma warning(pop)
+#endif
+
+#endif // include
+