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snIP3r
l33t
Joined: 21 May 2004
Posts: 853
Location: germany
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 Posted: Thu Oct 25, 2012 8:24 am Post subject: depclean/emerge question |
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hi all!
today i wanted to start depcleaning my system. and i found an issue that i do not understand. first of all, i synced the portage tree and updated the system. after everything was up-to-date i did an emerge -av --depclean to give me a list of packages that will be unmerged. i started with package sys-devel/automake cause i got this:
| Code: |
sys-devel/automake
selected: 1.9.6-r2
protected: none
omitted: 1.10.3 1.11.6
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so i checked the pachages which require automake-1.9.6-r2 and got displayed libupnp-1.6.6 . my first try was to unmerge automake-1.9.6-r2 and then run a revdep-rebuild. no packages had to be rebuilt. but then something strange happens: i tried to re-emerge libupnp just for fun and got this displayed:
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[ebuild NS ] sys-devel/automake-1.9.6-r3 [1.10.3, 1.11.6] 748 kB
[ebuild U ] net-libs/libupnp-1.6.17 [1.6.6]
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so this means that there was an update for the two packages that were not recognized after emerge --sync and emerge -uavDN world.
perhaps someone can answer my questions:
- why are these two installed packages not beeing updated during normal emerge --sync and emerge -uavDN world?
- why did revdep-rebuild not recognize the missing automake ? cause its obvious that libupnp needs automake version 1.9.x, i found this line in the ebuild:
- am i right that it is not safe in all cases to unmerge packages that emerge --depclean displays and then run a revdep-rebuild?
another question apart from the above: i got serveral perl packages for deletion. can i safely unmerge all of these or is there something i have to check before unmerging?
thanks for help!
snIP3r
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massimo
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Joined: 22 Jun 2003
Posts: 1226
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| Posted: Thu Oct 25, 2012 8:41 am Post subject: |
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I hope [1] will answer most of your questions.
[1] FAQ
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aCOSwt
Bodhisattva
Joined: 19 Oct 2007
Posts: 2537
Location: Hilbert space
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| Posted: Thu Oct 25, 2012 8:42 am Post subject: Re: depclean/emerge question |
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| snIP3r wrote: |
- why are these two installed packages not beeing updated during normal emerge --sync and emerge -uavDN world?
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Because :
- automake is a build dependency of some packages.
- your emerge command does not update build dependencies if this is not absolutely needed.
- If you absolutely want to update build dependencies, then you should add : --with-bdeps y to your emerge --update command.
EDIT : Do follow massimo's advice.
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