Added thirdparty: boost library

thirdparty/include/boost/endian/detail/order.hpp

@@ -0,0 +1,56 @@
+#ifndef BOOST_ENDIAN_DETAIL_ORDER_HPP_INCLUDED
+#define BOOST_ENDIAN_DETAIL_ORDER_HPP_INCLUDED
+
+// Copyright 2019 Peter Dimov
+//
+// Distributed under the Boost Software License, Version 1.0.
+// http://www.boost.org/LICENSE_1_0.txt
+
+#if defined(__BYTE_ORDER__) && defined(__ORDER_LITTLE_ENDIAN__) && __BYTE_ORDER__ == __ORDER_LITTLE_ENDIAN__
+
+# define BOOST_ENDIAN_NATIVE_ORDER_INITIALIZER little
+
+#elif defined(__BYTE_ORDER__) && defined(__ORDER_BIG_ENDIAN__) && __BYTE_ORDER__ == __ORDER_BIG_ENDIAN__
+
+# define BOOST_ENDIAN_NATIVE_ORDER_INITIALIZER big
+
+#elif defined(__BYTE_ORDER__) && defined(__ORDER_PDP_ENDIAN__) && __BYTE_ORDER__ == __ORDER_PDP_ENDIAN__
+
+# error The Boost.Endian library does not support platforms with PDP endianness.
+
+#elif defined(__LITTLE_ENDIAN__)
+
+# define BOOST_ENDIAN_NATIVE_ORDER_INITIALIZER little
+
+#elif defined(__BIG_ENDIAN__)
+
+# define BOOST_ENDIAN_NATIVE_ORDER_INITIALIZER big
+
+#elif defined(_MSC_VER) || defined(__i386__) || defined(__x86_64__)
+
+# define BOOST_ENDIAN_NATIVE_ORDER_INITIALIZER little
+
+#else
+
+# error The Boost.Endian library could not determine the endianness of this platform.
+
+#endif
+
+namespace boost
+{
+namespace endian
+{
+
+enum class order
+{
+    big,
+    little,
+    native = BOOST_ENDIAN_NATIVE_ORDER_INITIALIZER
+};
+
+} // namespace endian
+} // namespace boost
+
+#undef BOOST_ENDIAN_NATIVE_ORDER_INITIALIZER
+
+#endif  // BOOST_ENDIAN_DETAIL_ORDER_HPP_INCLUDED