minor: mutualize enum build
minor: mutualize enum build

CanalTP/navitia,CanalTP/navitia,Tisseo/navitia,CanalTP/navitia,xlqian/navitia,xlqian/navitia,kinnou02/navitia,Tisseo/navitia,xlqian/navitia,kinnou02/navitia,Tisseo/navitia,xlqian/navitia,Tisseo/navitia,kinnou02/navitia,Tisseo/navitia,xlqian/navitia,kinnou02/navitia,CanalTP/navitia,CanalTP/navitia