Qt OPC UA X509 Support

 # Copyright (C) 2022 The Qt Company Ltd.
 # SPDX-License-Identifier: BSD-3-Clause

 cmake_minimum_required(VERSION 3.16)
 project(x509 LANGUAGES CXX)

 if (ANDROID)
     message(FATAL_ERROR "This project cannot be built on Android.")
 endif()

 if(NOT DEFINED INSTALL_EXAMPLESDIR)
     set(INSTALL_EXAMPLESDIR "examples")
 endif()

 set(INSTALL_EXAMPLEDIR "${INSTALL_EXAMPLESDIR}/opcua/x509")

 find_package(Qt6 REQUIRED COMPONENTS Core OpcUa)

 qt_standard_project_setup()

 qt_add_executable(x509
     main.cpp
 )

 set_target_properties(x509 PROPERTIES
     WIN32_EXECUTABLE TRUE
     MACOSX_BUNDLE TRUE
 )

 target_link_libraries(x509 PRIVATE
     Qt6::Core
     Qt6::OpcUa
 )

 install(TARGETS x509
     RUNTIME DESTINATION "${INSTALL_EXAMPLEDIR}"
     BUNDLE DESTINATION "${INSTALL_EXAMPLEDIR}"
     LIBRARY DESTINATION "${INSTALL_EXAMPLEDIR}"
 )