Dependency of RPM package (multi version)

[James Antill]

On Wed, 2010-02-24 at 15:20 +0800, Huo QiFeng wrote:
> Hello, 
> 
> I'm creating an addon package A both on SuSe and Redhat, See A depends
> on B.
> 
> A depends on 1.0 and 2.0 of B.

 What do you mean "depends on 1.0 and 2.0 of B", as far as I know none
of the higher level tools allow multiple versions of arbitrary packages
(Ie. having B-1.0 _and_ B-2.0 installed at once).

> On, For debian package on Ubuntu, I can use: "Depends B (>=1.0), B
> (<=2.0)"

 If I understand correctly this just means "install a version of B whose
version is _between_ 1.0 and 2.0", so for example B-1.5 would meet the
criteria.
 This is not the same as requiring B-1.0 and B-2.0 at all.

> Do you know how can I implement similar on SuSe for rpm .spec package?
> It seems which does not work for below sentence.
> "Requires: B >= 1.0, B <=2.0"

 I might use two lines, but that should do the same thing as the dpkg
line. If you have control over B, I'd probably recommend you do
something like: B: Provides: B_API = 1; A: Requires: B_API = 1
 Also note that if version 3.0 is available most of the higher level
tools will be unhappy in some way. Even if it's just to keep saying "can
update to B-3.0, oops no I can't".

-- 
James Antill - james at fedoraproject.org
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