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 : fd018585b125b49bbcf46906b40d3c688f90ad05
--HG-- extra : convert_revision : f78830366a437531908b0ddd6629d3590a9c20e3