Multiple definitions: qInitResources_translations()

[Rich v]

My CMake project produces qrc_translations.cpp files for 3 different QML libraries I use. Each one of these reproduces the same symbol: qInitResources_translations. This is seemingly because QT_NAMESPACE is empty. When it is defined to something, the macro here will make that symbol unique:

int QT_RCC_MANGLE_NAMESPACE(qInitResources_translations)();

So this is probably a dumb question, but where is QT_NAMESPACE supposed to be defined?

FWIW, I'm porting from Qt5.6 to 6.x. I had no issues with the previous qt5_add_translation() so I'm probably misusing the new qt_add_translations()?

Here is the meat of the CMakeLists.txt file that is similar across the three QML libraries. The Qt6_FOUND section is what I seem to be having issues with.

if (Qt6_FOUND)
    qt_add_library(BCControls STATIC)
    file(GLOB TS_FILES translations/*.ts)
    qt_add_translations(BCControls TS_FILES ${TS_FILES})
    qt_add_qml_module(BCControls
        URI BCControls
        VERSION 1.0
        QML_FILES ${QML_FILES}
        RESOURCES ${RESOURCE_FILES}
        )
else()
    create_install_plugin_translations(translations
        BCControls/translations
        QM_FILES
        )
    add_library(BCControls STATIC ${QM_FILES})
    qtquick_compiler_add_resources(RESOURCES bccontrols.qrc)
    target_sources(BCControls
        PRIVATE
        ${RESOURCES}
        ${QML_FILES}
        bccontrols.qrc
        )
    foreach(F ${QM_FILES})
        get_filename_component(COPY_FILE ${F} NAME)
        add_custom_command(TARGET BCControls POST_BUILD
            COMMAND ${CMAKE_COMMAND} -E copy ${F} ${CMAKE_INSTALL_PREFIX}/BCControls/translations/${COPY_FILE})
    endforeach()
endif()

[Rich v]

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