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 : d02fbfd606197c2bb42f1427da2d3a3859dcda65
--HG-- extra : convert_revision : 33b2caeccb04bfdd62ea3d1dd4688acf65d2d0a1