option(
  MCLOUD_LIB_ENABLE_DOC_GENERATION
  "Generate package documentation with doxygen"
  ON
)

if (MCLOUD_LIB_ENABLE_DOC_GENERATION)
    find_package(Doxygen)

    if (DOXYGEN_FOUND)
        configure_file(
            ${CMAKE_CURRENT_SOURCE_DIR}/Doxyfile.in 
            ${CMAKE_CURRENT_BINARY_DIR}/Doxyfile @ONLY)
        add_custom_target(doc ALL
            ${DOXYGEN_EXECUTABLE} ${CMAKE_CURRENT_BINARY_DIR}/Doxyfile
            WORKING_DIRECTORY ${CMAKE_CURRENT_BINARY_DIR}
            COMMENT "Generating API documentation with Doxygen" VERBATIM)
        install(
            DIRECTORY ${CMAKE_CURRENT_BINARY_DIR}/html
            DESTINATION ${CMAKE_INSTALL_DOCDIR})

    endif (DOXYGEN_FOUND)
endif (MCLOUD_LIB_ENABLE_DOC_GENERATION)
