app-cdr/kiso has a hard dependency on app-cdr/cdrtools instead of virtual/cdrtools. I discovered this after switching from cdrtools to dvdrtools. Attached is a patch to correct this.
Created attachment 83472 [details, diff] app-cdr/kiso dependency patch (app-cdr/cdrtools --> virtual/cdrtools)
*** This bug has been marked as a duplicate of 77817 ***