[OpenAFS-devel] openafs spec-file kernel-detection

[Alexander Bergolth]

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Hi!

On 05/16/2006 12:51 AM, Derek Atkins wrote:
> Thanks.  I applied this to my tree; it'll make it into the next
> set of RPMs.

Thanks.
Another issue that I noticed is the way how the kernel-depencency is
specified in the spec-file:
Requires: kernel = %{kversion}

Current kernels provide the kernel capability for both only <version>
and <version>-<release>:

$ rpm -qp --provides kernel-2.6.16-1.2111_FC5.i686.rpm
kernel = 2.6.16
kernel-drm = 4.3.0
kernel-i686 = 2.6.16-1.2111_FC5
kernel = 2.6.16-1.2111_FC5

Unfortunately the first capability causes rpm to register a general
capability for 2.6.16 regardless of the exact release and renders the
last capability (kernel = 2.6.16-1.2111_FC5, including the
release-string) effectless. See
http://distro.conectiva.com.br/pipermail/apt-rpm/2003-August/001951.html

The Fedora Extras kernel module guidelines suggest that kernel modules
should require "kernel-%{_target_cpu} = ${verrel}${variant}", like
Requires:         kernel-i686 = 2.6.14-1.1776_FC4

See http://www.fedoraproject.org/wiki/Packaging/KernelModules for details.

Since the kernels provide only the exact "<version>-<release>" string
for "kernel-%{_target_cpu}" (see above), dependency checks should work
using this approach.

Cheers,
- --leo
- --
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Alexander.Bergolth@wu-wien.ac.at                Fax: +43-1-31336-906050
Zentrum fuer Informatikdienste - Wirtschaftsuniversitaet Wien - Austria

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