[CMake] post and pre processing for the Cpack target (package/package_source)

Hello CMake Experts, Is there any way to define post or pre-processing actions for built-in targets like package/package_source. Those two are not visible in CMakeLists.txt scope, so the add_dependencies(package_source pre_package_source) can not be used. What I found is the solution described

Re: [CMake] post and pre processing for the Cpack target (package/package_source)

2009/7/9 t m cm...@majchrowski.co.uk: Hello CMake Experts, Is there any way to define post or pre-processing actions for built-in targets like package/package_source. Those two are not visible in CMakeLists.txt scope, so the add_dependencies(package_source pre_package_source) can not be