--- qt-everywhere-src-6.2.4/qtopcua/src/3rdparty/open62541/open62541.c Fri Mar 4 15:17:58 2022 +++ qt-everywhere-src-6.2.4_patched/qtopcua/src/3rdparty/open62541/open62541.c Sun Mar 27 06:41:32 2022 @@ -20,6 +20,9 @@ # define MDNSD_DYNAMIC_LINKING #endif +#include +#include + /* Disable security warnings for BSD sockets on MSVC */ #if defined(_MSC_VER) && !defined(_CRT_SECURE_NO_WARNINGS) # define _CRT_SECURE_NO_WARNINGS