if (BUILD_DOCS)

    find_package(Doxygen)
    if (DOXYGEN_FOUND)
        set(DOXYGEN_FILE ${CMAKE_CURRENT_SOURCE_DIR}/../docs/Doxyfile)

        message("Doxygen build started")

        add_custom_target(doc_doxygen ALL
                COMMAND ${DOXYGEN_EXECUTABLE} ${DOXYGEN_FILE}
                WORKING_DIRECTORY ${CMAKE_SOURCE_DIR}/docs
                COMMENT "Generating API documentation with Doxygen"
                VERBATIM)
    else ()
        message("Doxygen need to be installed to generate the doxygen documentation")
    endif ()

endif ()