COMMAND ${CMAKE_COMMAND} -E remove_directory ${CMAKE_HOME_DIRECTORY}/doc/ref_guide/html
COMMAND ${CMAKE_COMMAND} -E make_directory ${CMAKE_HOME_DIRECTORY}/doc/ref_guide/html
WORKING_DIRECTORY ${CMAKE_HOME_DIRECTORY}/doc/ref_guide/
COMMAND ${CMAKE_COMMAND} -E remove_directory ${CMAKE_HOME_DIRECTORY}/doc/ref_guide/html
COMMAND ${CMAKE_COMMAND} -E make_directory ${CMAKE_HOME_DIRECTORY}/doc/ref_guide/html
WORKING_DIRECTORY ${CMAKE_HOME_DIRECTORY}/doc/ref_guide/