Re: [gentoo-user] gtk+ / Cairo / pdf-flag mutual build problem.

[Daniel Barkalow <barkalow@iabervon.org>]

On Fri, 29 Dec 2006, Walter Dnes wrote:

> On Fri, Dec 29, 2006 at 02:23:08PM -0500, Daniel Barkalow wrote
> 
> > > Calculating dependencies... done!
> > > [ebuild   R   ] x11-libs/cairo-1.2.4  USE="X png -directfb -doc -glitz
> > > -svg (-pdf%)" 0 kB
> > > 
> > >   Oops... note the "(-pdf%)".  This option is simply not allowed for
> > > Cairo on my system.  I threw in "--skipfirst" into the emerge command,
> > > and it seems to be working so far.  But back to my main problem... how
> > > do I reconcile gtk+ and Cairo?
> > 
> > Actually, the cairo ebuild now unconditionally enables pdf support; the 
> > USE flag is not allowed because it is no longer possible to disable pdf 
> > support. (Portage doesn't have a way to express the differences between 
> > something not being a USE flag because it is unsupported and because it is 
> > automatic, but if you look in the ebuild, you'll find that it's using 
> > "--enable-pdf")
> > 
> > So gtk+ should be happy once you re-emerge cairo even without changing use 
> > flags.
> 
>   So why does the flag show up at all when I do an "emerge -pv"?

Your currently installed package came from an ebuild which had it 
available (and not set), so it's reporting that currently the USE flags
include "-pdf", and rebuilding will cause that to go away.

	-Daniel
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