Gentoo Fun

[Ethan Blanton]

Kevin M Stange spake unto us the following wisdom:
> Ethan Blanton wrote:
> > I have no idea whether these particular protocols even *have* USE
> > variables -- we don't get people coming in asking about SILC or
> > Gadu-Gadu.  What we *do* get is people asking about a common (if
> > terrible) protocol with no unusual external dependencies, MSN.  The
> > USE flags currently on the Pidgin package seem to be more or less
> > completely arbitrary, from upstream's point of view.  (It is perfectly
> > possible that Bonjour et al. also have USE flags, and we just don't
> > hear about it.)
> 
> Actually, MSN depends upon Pidgin's SSL plugin and turning on the MSN
> USE flag effectively turns on another USE flag (SSL) and pulls in GNUTLS
> or NSS.

Yes, I realize that MSN requires SSL, which is why I said "unusual
external dependencies".

Is there any mechanism for dependencies which are satisfied by *any*
package to be automatically taken advantage of?  (For example, if
Mozilla or Firefox is installed, just say "oh look, I have NSS", and
assume USE=ssl.)

Ethan

-- 
The laws that forbid the carrying of arms are laws [that have no remedy
for evils].  They disarm only those who are neither inclined nor
determined to commit crimes.
		-- Cesare Beccaria, "On Crimes and Punishments", 1764
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