This article shows how virtual packages work in Ubuntu-based distros.BarryK wrote:Yes, I see. OK, I will have a go at fixing that.mchabez wrote:2. Package deps like "upstart-job" aren't resolved in PPM. There is no such package name "upstart-job" in the Ubuntu Precise repos, as it's a virtual package provided by "upstart". One such package dependent on upstart-job is "binfmt-support".
http://people.canonical.com/~cjwatson/u ... #s-virtual
It also applies to Debian-based ones as well.