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+AUTOGEN_ORIGIN_DEPENDS
+----------------------
+
+.. versionadded:: 3.14
+
+Switch for forwarding origin target dependencies to the corresponding
+``_autogen`` target.
+
+Targets which have their :prop_tgt:`AUTOMOC` or :prop_tgt:`AUTOUIC` property
+``ON`` have a corresponding ``_autogen`` target which generates
+``moc`` and ``uic`` files.  As this ``_autogen`` target is created at
+generate-time, it is not possible to define dependencies of it using
+e.g.  :command:`add_dependencies`.  Instead the
+:prop_tgt:`AUTOGEN_ORIGIN_DEPENDS` target property decides whether the origin
+target dependencies should be forwarded to the ``_autogen`` target or not.
+
+By default :prop_tgt:`AUTOGEN_ORIGIN_DEPENDS` is initialized from
+:variable:`CMAKE_AUTOGEN_ORIGIN_DEPENDS` which is ``ON`` by default.
+
+In total the dependencies of the ``_autogen`` target are composed from
+
+- forwarded origin target dependencies
+  (enabled by default via :prop_tgt:`AUTOGEN_ORIGIN_DEPENDS`)
+- additional user defined dependencies from :prop_tgt:`AUTOGEN_TARGET_DEPENDS`
+
+See the :manual:`cmake-qt(7)` manual for more information on using CMake
+with Qt.
+
+Note
+^^^^
+
+Disabling :prop_tgt:`AUTOGEN_ORIGIN_DEPENDS` is useful to avoid building of
+origin target dependencies when building the ``_autogen`` target only.
+This is especially interesting when a
+:variable:`global autogen target <CMAKE_GLOBAL_AUTOGEN_TARGET>` is enabled.
+
+When the ``_autogen`` target doesn't require all the origin target's
+dependencies, and :prop_tgt:`AUTOGEN_ORIGIN_DEPENDS` is disabled, it might be
+necessary to extend :prop_tgt:`AUTOGEN_TARGET_DEPENDS` to add missing
+dependencies.