COMMAND ${CMAKE_COMMAND} -E make_directory ${CMAKE_BINARY_DIR}/doc/example_lists
COMMAND ${CMAKE_COMMAND} -E remove_directory ${CMAKE_BINARY_DIR}/doc/html
COMMAND ${CMAKE_COMMAND} -E make_directory ${CMAKE_BINARY_DIR}/doc/html
+ COMMAND ${CMAKE_COMMAND} -E remove_directory ${CMAKE_BINARY_DIR}/doc/xml
WORKING_DIRECTORY ${CMAKE_BINARY_DIR}/doc
)