qt5base-lts/mkspecs/features/entrypoint.prf

!qt: return()

win32 {
    !console:contains(TEMPLATE, ".*app"): \
        QT_PRIVATE += entrypoint_private
} else:uikit {
    qt_depends = $$resolve_depends(QT, "QT.")
    !watchos:equals(TEMPLATE, app):contains(qt_depends, gui(-private)?): \
        QT_PRIVATE += entrypoint_private
}