if(WIN32)
    add_executable(sample_gui_win WIN32 gui-main-win.cpp)
    target_include_directories(sample_gui PUBLIC
                              "${PROJECT_SOURCE_DIR}/src/console"
                              "${PROJECT_SOURCE_DIR}/src/client"
                              )
    target_link_libraries(sample_gui_win PUBLIC client windows console core 
        network database geometry audio web)
    set_property(TARGET sample_gui_win PROPERTY FOLDER apps)
else()
    find_package(X11 QUIET)
    if(X11_FOUND)
        add_executable(sample_gui gui-main.cpp)
        target_include_directories(sample_gui PUBLIC
        	                  "${PROJECT_SOURCE_DIR}/src/console"
        	                  "${PROJECT_SOURCE_DIR}/src/client"
        	                  )
        target_link_libraries(sample_gui PUBLIC client windows console core 
            network database geometry audio web)
        set_property(TARGET sample_gui PROPERTY FOLDER apps)
    else()
        message(STATUS "Skipping sample GUI as no X11 dev support")
    endif()
endif()