vcpkg/ports/freeopcua/boost-1.70.patch

diff --git a/src/server/opc_tcp_async.cpp b/src/server/opc_tcp_async.cpp
index 9c34d72..9e68d9b 100644
--- a/src/server/opc_tcp_async.cpp
+++ b/src/server/opc_tcp_async.cpp
@@ -106,7 +106,11 @@ public:
      */
     typedef std::promise<void> Promise;
     Promise promise;
+#if BOOST_VERSION >= 107000
+    boost::asio::post(Socket.get_executor(), bind(&Promise::set_value, &promise));
+#else
     Socket.get_io_service().post(bind(&Promise::set_value, &promise));
+#endif
     promise.get_future().wait();
   }
 
@@ -372,7 +376,11 @@ void OpcTcpServer::Shutdown()
    */
   typedef std::promise<void> Promise;
   Promise promise;
-  acceptor.get_io_service().post(bind(&Promise::set_value, &promise));
+#if BOOST_VERSION >= 107000
+    boost::asio::post(acceptor.get_executor(), bind(&Promise::set_value, &promise));
+#else
+    acceptor.get_io_service().post(bind(&Promise::set_value, &promise));
+#endif
   promise.get_future().wait();
 }