[pacman-dev] [PATCH 4/5] makepkg: add soprovides support
allan at archlinux.org
Sat Jan 22 09:04:27 EST 2011
On 22/01/11 22:43, Florian Pritz wrote:
> On 22.01.2011 13:15, Allan McRae wrote:
>> With this, on an upgrade with a soname bump we will get a whole heap of
>> messages like:
>> warning: provider package was selected (readline provides libreadline.so)
>> I also noticed the performance hit in satisfying dependencies using
> When I tried that in August 2009 it only displayed that message once (at
> least I think it did, but I'm pretty sure)
Ugh... my bad... you have to weird things to your pacman databases get
this message to appear multiple times. Moving along...
> and the time to resolve the
> dependencies for ~900 packages with (using -U; all sodeps/provides and
> not just readline iirc) went from 25 secs to 27 secs.
> Could you stop the time so we can compare the results?
When installing two packages, changing the depend to a provide takes
8.7sec compared to 7.9sec. So about 10%, which is consistent with what
you got. I'm a bit surprised it scales so well to a much large number
of packages and provides.
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