New Setup for Cygwin 1.7 on cygwin.com

Ralph Hempel rhempel@bmts.com
Wed Aug 27 19:08:00 GMT 2008


Corinna Vinschen wrote:

> I looked a while into the algorithm doing the dependency ordering.  What
> it does is to create an ordered list sorted by using the algorithm to
> find the strongly connected components in a directed graph.  The problem
> is that this algorithm works fine and creates a nice dependeny ordered
> list unless there are loops in the dependencies.  In this case you just
> get a list of strongly connected components in arbitrary order.

<SNIP>

> Anybody having another funny idea?

What about detecting a dependency loop by checking to see if the next 
package in the dependency list is already in the list. If there's a loop
then stop.

Or is it possible for there to be new nodes after the first duplicate
dependency?

Ralph



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