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Re: krb5 builtin busted ? (was Re: heimdal builtin busted?)
On Tue, Sep 27, 2016 at 03:44:37PM -0500, John D. Baker wrote:
> > I can certainly see the value of checking first for something already
> > installed, so I'll see if I can come up with something for evaluation.
> I wonder why one package's need for a different kerberos implementation
> should adversely affect other packages' satisfaction with the
> native/builtin kerberos (whichever it may be). Having pkgsrc "mit-krb5"
> installed shouldn't break other packages ability to use a native "heimdal"
> (and vice-versa, I should think).
It shouldn't and won't... until the package is a library, and other
libraries are linked against the other kerberos, and then some
application ends up trying to link with both kerberos versions at
once; then it all goes wahooni-shaped.
This comes up with older native vs. newer pkgsrc X libs from time to
time and it's one of the reasons x11-links has to exclude old but
otherwise perfectly good versions.
It would be better to find a way to enforce coherence restrictions
like this only when they matter, but that's Hard because it requires
nonlocal reasoning on the dependence graph.
David A. Holland
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