let strongdeps ?(transitive=true) univ pkglist =
let closure = Depsolver.dependency_closure univ pkglist in
let size = Cudf.universe_size univ in
let graph = G.create ~size () in
Util.Progress.set_total conjbar size;
Util.Timer.start conjtimer;
List.iter (fun pkg ->
Util.Progress.progress conjbar;
Defaultgraphs.PackageGraph.conjdepgraph_int ~transitive graph univ pkg
) closure;
Util.Progress.reset conjbar;
Util.Timer.stop conjtimer ();
debug "conj dep graph: nodes %d , edges %d" (G.nb_vertex graph) (G.nb_edges graph);
let g = strongdeps_int ~transitive graph univ pkglist in
g