find_package(Doxygen) if (DOXYGEN_FOUND) # set input and output files set(DOXYGEN_IN ${CMAKE_CURRENT_LIST_DIR}/Doxyfile.in) set(DOXYGEN_OUT ${CMAKE_CURRENT_BINARY_DIR}/Doxyfile) # request to configure the file configure_file(${DOXYGEN_IN} ${DOXYGEN_OUT} @ONLY) message("Config Doxygen") add_custom_target(ScriptXDocs COMMAND ${DOXYGEN_EXECUTABLE} ${DOXYGEN_OUT} WORKING_DIRECTORY ${CMAKE_CURRENT_BINARY_DIR} COMMENT "Generating API documentation with Doxygen" VERBATIM) endif ()