This will make a number of things easier in the future, as well as (finally!) avoiding the Id-smashing problem which has plagued developers for so long. Boy, I'm glad we're not using sup anymore. This update would have been insane otherwise.
tsort -q as well - I don't feel like adding tsort as Yet Another Item to the bootstrap target.
Reviewed by: phk Submitted by: "Philippe Charnier" <charnier@lirmm.fr>