ADDITIONAL_MAKE_CLEAN_FILES --------------------------- .. deprecated:: 3.15 Use :prop_dir:`ADDITIONAL_CLEAN_FILES` instead. Additional files to remove during the clean stage. A :ref:`;-list <CMake Language Lists>` of files that will be removed as a part of the ``make clean`` target. Arguments to :prop_dir:`ADDITIONAL_MAKE_CLEAN_FILES` may use :manual:`generator expressions <cmake-generator-expressions(7)>`. This property only works for the Makefile generators. It is ignored on other generators.