PROJECT(ToClean) # Build a simple project. ADD_EXECUTABLE(toclean toclean.cxx) # List some build-time-generated files. GET_TARGET_PROPERTY(TOCLEAN_FILES toclean LOCATION) SET(TOCLEAN_FILES ${TOCLEAN_FILES} "${ToClean_BINARY_DIR}/CMakeFiles/toclean.dir/toclean${CMAKE_CXX_OUTPUT_EXTENSION}") # Create a file that must be registered for cleaning. FILE(WRITE "${ToClean_BINARY_DIR}/Registered.txt" "File registered for cleaning.\n") SET_DIRECTORY_PROPERTIES(PROPERTIES ADDITIONAL_MAKE_CLEAN_FILES "${ToClean_BINARY_DIR}/Registered.txt") SET(TOCLEAN_FILES ${TOCLEAN_FILES} "${ToClean_BINARY_DIR}/Registered.txt") # Create a custom command whose output should be cleaned. ADD_CUSTOM_COMMAND(OUTPUT ${ToClean_BINARY_DIR}/generated.txt DEPENDS ${ToClean_SOURCE_DIR}/toclean.cxx COMMAND ${CMAKE_COMMAND} ARGS -E copy ${ToClean_SOURCE_DIR}/toclean.cxx ${ToClean_BINARY_DIR}/generated.txt ) ADD_CUSTOM_TARGET(generate ALL DEPENDS ${ToClean_BINARY_DIR}/generated.txt) SET(TOCLEAN_FILES ${TOCLEAN_FILES} "${ToClean_BINARY_DIR}/generated.txt") # Configure a file listing these build-time-generated files. CONFIGURE_FILE(${ToClean_SOURCE_DIR}/ToCleanFiles.cmake.in ${ToClean_BINARY_DIR}/ToCleanFiles.cmake @ONLY IMMEDIATE)