windeployqt.cmake

windeployqt.cmake

# find windeployqt
if(Qt5_FOUND AND WIN32 AND TARGET Qt5::qmake AND NOT TARGET Qt5::windeployqt)
    get_target_property(_qt5_qmake_location Qt5::qmake IMPORTED_LOCATION)
    execute_process(
        COMMAND "${_qt5_qmake_location}" -query QT_INSTALL_PREFIX
        RESULT_VARIABLE return_code
        OUTPUT_VARIABLE qt5_install_prefix
        OUTPUT_STRIP_TRAILING_WHITESPACE
    )
    set(imported_location "${qt5_install_prefix}/bin/windeployqt.exe")
    if(NOT EXISTS ${imported_location})
        get_filename_component(_qt5_qmake_bin_dir "${_qt5_qmake_location}" DIRECTORY)
        set(imported_location "${_qt5_qmake_bin_dir}/windeployqt.exe")
    endif()
    if(EXISTS ${imported_location})
        add_executable(Qt5::windeployqt IMPORTED)
        set_target_properties(Qt5::windeployqt PROPERTIES
            IMPORTED_LOCATION ${imported_location}
        )
    endif()
endif()



if(TARGET Qt5::windeployqt)
    # execute windeployqt in a tmp directory after build then copy
    add_custom_command(TARGET ${PROJECT_NAME}
        POST_BUILD
        COMMAND ${CMAKE_COMMAND} -E remove_directory "${CMAKE_CURRENT_BINARY_DIR}/windeployqt"
        COMMAND set PATH=%PATH%$<SEMICOLON>${qt5_install_prefix}/bin
        COMMAND Qt5::windeployqt --dir "${CMAKE_CURRENT_BINARY_DIR}/windeployqt" "$<TARGET_FILE_DIR:${PROJECT_NAME}>/$<TARGET_FILE_NAME:${PROJECT_NAME}>" || dir >nul:
        #COMMAND ${CMAKE_COMMAND} -E copy "${CMAKE_CURRENT_BINARY_DIR}/windeployqt/*" "$<TARGET_FILE_DIR:${PROJECT_NAME}>/"
    )
endif()