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diff --git a/3rdparty/asio/src/tests/unit/serial_port_base.cpp b/3rdparty/asio/src/tests/unit/serial_port_base.cpp
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+//
+// serial_port_base.cpp
+// ~~~~~~~~~~~~~~~~~~~~
+//
+// Copyright (c) 2003-2021 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2008 Rep Invariant Systems, Inc. (info@repinvariant.com)
+//
+// 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)
+//
+
+// Disable autolinking for unit tests.
+#if !defined(BOOST_ALL_NO_LIB)
+#define BOOST_ALL_NO_LIB 1
+#endif // !defined(BOOST_ALL_NO_LIB)
+
+// Test that header file is self-contained.
+#include "asio/serial_port_base.hpp"
+
+#include "asio/io_context.hpp"
+#include "asio/serial_port.hpp"
+#include "unit_test.hpp"
+
+//------------------------------------------------------------------------------
+
+// serial_port_base_compile test
+// ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+// Verify that all options and and their accessors compile. Runtime failures are
+// ignored.
+
+namespace serial_port_base_compile {
+
+void test()
+{
+#if defined(ASIO_HAS_SERIAL_PORT)
+ using namespace asio;
+
+ try
+ {
+ io_context ioc;
+ serial_port port(ioc);
+
+ // baud_rate class.
+
+ serial_port_base::baud_rate baud_rate1(9600);
+ port.set_option(baud_rate1);
+ serial_port_base::baud_rate baud_rate2;
+ port.get_option(baud_rate2);
+ (void)static_cast<unsigned int>(baud_rate2.value());
+
+ // flow_control class.
+
+ serial_port_base::flow_control flow_control1(
+ serial_port_base::flow_control::none);
+ port.set_option(flow_control1);
+ serial_port_base::flow_control flow_control2;
+ port.get_option(flow_control2);
+ (void)static_cast<serial_port_base::flow_control::type>(
+ flow_control2.value());
+
+ // parity class.
+
+ serial_port_base::parity parity1(serial_port_base::parity::none);
+ port.set_option(parity1);
+ serial_port_base::parity parity2;
+ port.get_option(parity2);
+ (void)static_cast<serial_port_base::parity::type>(parity2.value());
+
+ // stop_bits class.
+
+ serial_port_base::stop_bits stop_bits1(serial_port_base::stop_bits::one);
+ port.set_option(stop_bits1);
+ serial_port_base::stop_bits stop_bits2;
+ port.get_option(stop_bits2);
+ (void)static_cast<serial_port_base::stop_bits::type>(stop_bits2.value());
+
+ // character_size class.
+
+ serial_port_base::character_size character_size1(8);
+ port.set_option(character_size1);
+ serial_port_base::character_size character_size2;
+ port.get_option(character_size2);
+ (void)static_cast<unsigned int>(character_size2.value());
+ }
+ catch (std::exception&)
+ {
+ }
+#endif // defined(ASIO_HAS_SERIAL_PORT)
+}
+
+} // namespace serial_port_base_compile
+
+//------------------------------------------------------------------------------
+
+ASIO_TEST_SUITE
+(
+ "serial_port_base",
+ ASIO_TEST_CASE(serial_port_base_compile::test)
+)