Subject: Re: Thoughts on dependency information
To: Masao Uebayashi <>
From: Alistair Crooks <>
List: tech-pkg
Date: 03/05/2002 09:58:15
On Tue, Mar 05, 2002 at 03:45:30PM +0900, Masao Uebayashi wrote:
> Now dependency information of an installed package is very limited and
> insufficient to describe the real dependency of the package.
> IMO, there are three relations of packages in the current Pkgsrc
> framework.
>  2) What package/version a binary package is built with.  A package is
>     built with a certain version of another.  After build, the version
>     requirement has no range.  For example, if gdk-pixbuf-gnome is
>     built with gdk-pixbuf-0.10.2, the resulting binary package
>     `gdk-pixbuf-gnome-X.Y.Z.tgz' is built with gdk-pixbuf-0.10.2.
>     I think that information described in building procedures
>     (makefiles) is kind of ``type'' and each binary package is an
>     instance.  If you have an introductory book on object oriented
>     methodology, you may be able to find some statements that a
>     relation of types (classes) is called an ``association'' and a
>     relation of instances a ``link''.
>     I'm not claiming I'm an expert of OO.  The point is, the above two
>     are distinct.

I am about to add the "built with" information to our binary packages
- it has long been a source of pain for people.