Squashed 'third_party/boostorg/serialization/' content from commit 738695b

Change-Id: I48528198ad1f62b90288d249eb2243d4db02fd5d
git-subtree-dir: third_party/boostorg/serialization
git-subtree-split: 738695b70733f9d592a570fb17a505d6a029b48a
diff --git a/performance/portable_binary_archive.hpp b/performance/portable_binary_archive.hpp
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+// (C) Copyright 2002-4 Robert Ramey - http://www.rrsd.com .
+// Use, modification and distribution is 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)
+
+//  See http://www.boost.org for updates, documentation, and revision history.// file includes for testing a custom archive.
+// as an example this tests the portable binary archive
+
+// #include output archive header
+#include "../example/portable_binary_oarchive.hpp"
+// define output archive class to be used 
+typedef portable_binary_oarchive test_oarchive;
+// and corresponding stream
+typedef std::ofstream test_ostream;
+
+// repeat the above for correspondng input archive
+#include "../example/portable_binary_iarchive.hpp"
+typedef portable_binary_iarchive test_iarchive;
+typedef std::ifstream test_istream;
+
+// and stream open flags
+#define TEST_STREAM_FLAGS std::ios::binary