AUTOGEN_TARGET_DEPENDS

Additional target dependencies of the corresponding <ORIGIN>_autogen target.

Note

If Qt 5.15 or later is used and the generator is either Ninja or Makefile Generators, additional target dependencies are added to the <ORIGIN>_autogen_timestamp_deps target instead of the <ORIGIN>_autogen target.

Targets which have their AUTOMOC or AUTOUIC property ON have a corresponding <ORIGIN>_autogen target which generates moc and uic files. As this <ORIGIN>_autogen target is created at generate-time, it is not possible to define dependencies of it using e.g. add_dependencies(). Instead the AUTOGEN_TARGET_DEPENDS target property can be set to a semicolon-separated list of additional dependencies for the <ORIGIN>_autogen target. Dependencies can be target names or file names.

In total, the dependencies of the <ORIGIN>_autogen target are composed from

forwarded origin target dependencies (enabled by default via AUTOGEN_ORIGIN_DEPENDS)
additional user defined dependencies from AUTOGEN_TARGET_DEPENDS

See the cmake-qt(7) manual for more information on using CMake with Qt.

Use cases

If AUTOMOC or AUTOUIC depends on a file that is either

a GENERATED non C++ file (e.g. a GENERATED .json or .ui file) or
a GENERATED C++ file that isn't recognized by AUTOMOC and AUTOUIC because it's skipped by SKIP_AUTOMOC, SKIP_AUTOUIC, SKIP_AUTOGEN or CMP0071 or
a file that isn't in the origin target's sources

it must be added to AUTOGEN_TARGET_DEPENDS.

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https://cmake.org/cmake/help/latest/prop_tgt/AUTOGEN_TARGET_DEPENDS.html