On Fri, 8 Sep 2000, Frederick Bruckman wrote:

> On Fri, 8 Sep 2000, David Brownlee wrote:
> 
> > 	We have two dependencies - the existing build dependencies, and
> > 	the 'binary' set.
> > 	eg: build may be lib>=1.1, and if you build against 1.1 then
> > 	then binary dependencies are lib>=1.1. But if you build against
> > 	1.2 then binary dependencies should be lib>=1.2
> 
> Ahh. That's an idea worth considering. So for dependencies on
> libraries, we would prefer ">=" wildcards to "-*" wildcards?
> 
	I would think so, certainly in respect to 'binary' dependencies.

> I'm also concerned about what happens when the library evolves to the
> point where it finally breaks backwards compatability. The only thing
> we can do for that, I think, is to compile a database of binary
> packages which are affected. It's not enough to just remove them from
> the server, because users could have them already on their hard
> drives, or pressed onto a CD.

	Hmm - we _could_ create a new package
	lib 1.2 -(upgrades_to)-> lib2 2.0, which would allow both old and
	new libraries to be installed.

                David/absolute
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