ndnboost: Include boost::iostreams for internal use.
diff --git a/include/ndnboost/random/detail/generator_bits.hpp b/include/ndnboost/random/detail/generator_bits.hpp
new file mode 100644
index 0000000..94d49d6
--- /dev/null
+++ b/include/ndnboost/random/detail/generator_bits.hpp
@@ -0,0 +1,36 @@
+/* boost random/detail/generator_bits.hpp header file
+ *
+ * Copyright Steven Watanabe 2011
+ * 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 for most recent version including documentation.
+ *
+ * $Id: generator_bits.hpp 72951 2011-07-07 04:57:37Z steven_watanabe $
+ *
+ */
+
+#ifndef NDNBOOST_RANDOM_DETAIL_GENERATOR_BITS_HPP
+#define NDNBOOST_RANDOM_DETAIL_GENERATOR_BITS_HPP
+
+#include <ndnboost/limits.hpp>
+
+namespace ndnboost {
+namespace random {
+namespace detail {
+
+// This is a temporary measure that retains backwards
+// compatibility.
+template<class URNG>
+struct generator_bits {
+ static std::size_t value() {
+ return std::numeric_limits<typename URNG::result_type>::digits;
+ }
+};
+
+} // namespace detail
+} // namespace random
+} // namespace ndnboost
+
+#endif // NDNBOOST_RANDOM_DETAIL_GENERATOR_BITS_HPP