This removes the need for having to specify sourcepkg manually in every package that will build subpkgs. --HG-- extra : convert_revision : 383e4c467e84844d2f4f61ae5c5e07a5124e9cfb
--HG-- extra : convert_revision : 57035b73fa571f1b4035c1e8a2ce32c4d8afe689
--HG-- extra : convert_revision : 9623c684bb5dfaa4ed86d6be84ebd27c187108bb