Re: Grouping dependencies
On Tue, Jan 02, 2001 at 05:37:14PM +0100, Jrme Marant wrote:
> Goswin Brederlow <goswin.brederlow@student.uni-tuebingen.de> writes:
>
> Thank you very much.
>
> > Hmm, this has been asked before. There is a solution.
>
> I would love to see a FAQ referencing all problems with their solution
> that were mentioned on -devel and -mentors. This would avoid us to
> ask the same questions over and over.
How about an explanatory paragraph in the packaging manual, and a
wishlist bug report against dpkg to allow more complex
expressions? Here is a patch to the packaging manual. Any
comments before I talk to debian-policy about making it official?
--- packaging.sgml.orig Tue Jan 2 09:57:08 2001
+++ packaging.sgml Tue Jan 2 09:56:59 2001
@@ -3538,6 +3538,15 @@
<tt>|</tt> (pipe symbols).
</p>
+ <p>
+ If you would like to declare a complex relationship, you
+ should reduce the expression to conjunctive normal form.
+ For example, the relationship <tt>(A, B) | (C, D)</tt>
+ (meaning either both A and B or both C and D) should be
+ reduced to the equivalent <tt>A | C, A | D, B | C, B |
+ D</tt>.
+ </p>
+
<p>
All the fields except <tt>Provides</tt> may restrict their
applicability to particular versions of each named package.
Matt
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