Checking Dependencies

[Mike McCarty]

James Wilkinson wrote:
> Paul Howarth wrote:
> 
>>There are multiple ways
>>a package can be a dependency, and this query only reveals one of those
>>ways.
>>
>>Suppose you have a package A, which "provides" libA.so.1 and also
>>contains the file /bin/A
>>
>>rpm -q --whatrequires A
>>will only show you the packages that have an explicit dependency on A
>>It won't show you the packages that have a dependency on libA.so.1 or
>>the file /bin/A
> 
> 
> And if C has a dependency on B, which has a dependency on A, but C
> itself does not *directly* depend on A, then rpm -q --whatrequires won't
> show that, either.

This is what is known as the "key inversion problem". There is
no simple solution for this known.

Mike
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