# add a target to generate API documentation with Doxygen
find_package(Doxygen)
if(DOXYGEN_FOUND)
        configure_file(${CMAKE_CURRENT_SOURCE_DIR}/Doxyfile.in.dox ${CMAKE_CURRENT_BINARY_DIR}/Doxyfile.dox @ONLY)
        add_custom_target(doc
                ${DOXYGEN_EXECUTABLE} ${CMAKE_CURRENT_BINARY_DIR}/Doxyfile.dox
                WORKING_DIRECTORY ${CMAKE_CURRENT_BINARY_DIR}
                COMMENT "Generating API documentation with Doxygen" VERBATIM
                )
endif(DOXYGEN_FOUND)