INSTALL(CODE "EXECUTE_PROCESS(COMMAND \"${CMAKE_COMMAND}\" --build ${PROJECT_BINARY_DIR} --target html_docs_Verima)")
INSTALL(DIRECTORY ${CMAKE_CURRENT_BINARY_DIR}/docutils/ DESTINATION ${SALOME_INSTALL_DOC}/gui/SMESH/Verima)
-SET_DIRECTORY_PROPERTIES(PROPERTIES ADDITIONAL_MAKE_CLEAN_FILES docutils)
+SET(make_clean_files docutils doctrees)
+SET_DIRECTORY_PROPERTIES(PROPERTIES ADDITIONAL_MAKE_CLEAN_FILES "${make_clean_files}")