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On Fri, 23 Jul 2010 11:31:30 +0200
Tiziano Müller <dev-zero@g.o> wrote:

> Am Freitag, den 23.07.2010, 09:06 +0200 schrieb Thomas Beierlein:
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> > Hi Jorge,
> > 
> > On Thu, 22 Jul 2010 18:04:59 +0000
> > "Jorge Manuel B. S. Vicetto" <jmbsvicetto@g.o> wrote:
> > > If you want to use sqlite3 as default and assuming your prefer
> > > postgres over mysql, you can use the following and drop the die
> > > from pkg_setup.
> > > 
> > > DEPEND="
> > ... snip ...
> > >     !bacula-clientonly? (
> > >         sqlite3? (
> > >             app-backup/bacula[-mysql.-postgres]
> > >             dev-db/sqlite:3
> > >         )
> > >         !sqlite3? (
> > >             postgres? (
> > >                 mysql? ( app-backup/bacula[-mysql] )
> > >                 dev-db/postgresql-base[threads]
> > >             )
> > >             !postgres? (
> > >                 mysql? ( virtual/mysql )
> > >                 !mysql? ( app-backup/bacula[sqlite3] )
> > >             )
> > >             !bacula-nodir? ( virtual/mta )
> > >     )
> > ... snip ...
> > > "
> > 
> > interesting. I did not know that an ebuild can use-depend on itself.
> > Good to know.
> No, not good. It doesn't make any sense.

Can you give some reasoning for that?

> We will have a solution for such cases somewhere in the future, but at
> the moment you should just display a warning that even though the user
> specified more than one db only is going to be used.
> 
That is what I am doing at the moment. If 0 or more than one backends
are selected I fall back to sqlite3 as default and give an according 
warning message.

Thomas


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