Re: [gentoo-user] Re: how do I remove evolution from gnome?

[Alan McKinnon]

On Tuesday 20 February 2007, Sean wrote:
> Sven Köhler wrote:
> >> Any suggestions?
> >
> > I put evolution in /etc/portage/profile/package.provided.
> >
> > Then portage assumes, that it is installed ba hand and therefor
> > it's not installed installed automatically.
> >
> > Unfortunatly, you still have to install eveolution-data-server and
> > evolution-webcal, because it's a hard-dependency of some other
> > gnome-package.
>
> I thought an -eds USE flag will keep evolution-data-server
> from being installed?

No. I think you misunderstand the purpose of USE flags. They do not 
dictate what will be installed or not installed (although sometimes 
that happens as a side effect). USE flags dictate what FEATURES will be 
enabled in package that recognises the flags.

evolution-data-server does not make use of the eds flag (why would it? 
It doesn't need to support itself....). But openoffice.org does have 
such a flag. If you 'USE=eds emerge openoffice.org'  then OOo will be 
built with support for evolution-data-server. This is unlikely to 
compile successfully without evolution-data-server actually on the 
system, so the OOo ebuild contains this line

COMMON_DEPEND=
	[snip stuff]
 eds? ( >=gnome-extra/evolution-data-server-1.2 )

Which will pull in evolution-data-server and build before OOo. Note that 
this is a side-effect of enabling the USE flag. If you now remove eds 
from USE and rebuild OOo, it will be rebuilt without that support. 
However, the evolution-data-server package will remain on the system 
until you remove it explicitly with 'emerge -C' or implicitly 
with 'emerge --depclean' (--depclean will only remove it if it's not in 
your world)

alan


-- 
Optimists say the glass is half full,
Pessimists say the glass is half empty,
Developers say wtf is the glass twice as big as it needs to be?

Alan McKinnon
alan at linuxholdings dot co dot za
+27 82, double three seven, one nine three five
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