Since dvdrtools is a fork of cdrtools, it's possibly cdrtools patched to support
dvd's, so why not make dvdrip depend of cdrtools or dvdrtools whichever is
installed? If none, then cdrtools like it is?
Steps to Reproduce:
ALL dvdrip versions in portage depend on virtual/cdrtools
Forget it, dvdrip emerges with dvdrtools installed without complaining