Dependency reciprocity : real world problem with httpd and httpd-suexec

Ville Skyttä ville.skytta at iki.fi
Tue Sep 7 19:53:45 UTC 2004


On Tue, 2004-09-07 at 16:39, Matthias Saou wrote:

> Now... I'm posting here before bugzilla'ing this since I'd like to know
> what the general opinion is regarding packages requiring some of their own
> sub-packages like this. I really think it should be avoided since there are
> some side-effects like this one that can arise.

Agreed.  But in case a dependency "loop" like this between some packages
is not avoidable (in general, not in this particular case) and the order
in which they are installed inside one transaction matters, one of them
should use "PreReq" and the other "Requires" in order to break the loop
in predictable fashion (== PreReq "wins"; the package containing it will
be installed last).  That's what I've heard the difference between
PreReq and Requires is, anyway.





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