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From: Koen Kooi <k.kooi@student.utwente.nl>
Date: Sun, 23 Nov 2008 17:38:36 +0100
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Subject: Versioning and upgrade paths
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Hi,

I noticed people adding recipes with PVs in the form of '2.6.28rc4', 
which is wrong:

'2.6.28rc4' will sort higher than '2.6.28', so upgrading to the release 
from the RC will be impossible.

Now some people will start arguing that kernel upgrades using a package 
manager shouldn't be done, but that's not the point. An upgrade path 
should always be provided, even if the distro/user/developer will choose 
to not use it.

The wiki page about the OE versioning policy has background information 
and samples on how to contruct a proper PV:

http://wiki.openembedded.net/index.php/Versioning_Policy

regards,

Koen