- SD_HOST_LEVEL = simgrid::Host::add_level(__SD_workstation_destroy);
- SIMIX_HOST_LEVEL = simgrid::Host::add_level(SIMIX_host_destroy);
+ SD_HOST_LEVEL = simgrid::Host::extension_create(__SD_workstation_destroy);
+ SIMIX_HOST_LEVEL = simgrid::Host::extension_create(SIMIX_host_destroy);