On Mon, Sep 10, 2012 at 12:36 PM, <meino.cra...@gmx.de> wrote: > > The following REQUIRED_USE flag constraints are unsatisfied: > dvdnav? ( dvd )
It means the following: If USE flag "dvdnav" is enabled, then "dvd" must be, too. Essentially, it enforces a dependency of certain USE flags for sanity reasons.