Re: [gentoo-user] orphaned kernel sources?

[Richard Fish]

Jarry wrote:

>So, with your help I finally checked all software installed on my
>gentoo-server (thanks to everyone, who replied). There were a few
>gentoo-sources (I think 5 or 6 different versions), so I used
>"emerge --prune gentoo-sources" to leave only the last one.
>
>Then I checked /usr/src, and I see there are still 2 subdirectories:
>linux-2.6.12-gentoo-r6   (~50MB)
>linux-2.6.13-gentoo-r5   (~300MB)
>
>I'm surprised there is still 2.6.12-r6, because I unmerged it.
>Can I delete it? Will this not break some dependencies?
>
>

Yes, you can delete linux-2.6.12-gentoo-r6.  This occurs because when 
you unmerge a package, it only removes the files that were part of that 
package, in this case, the kernel sources.  When you build the kernel, 
it creates a bunch of .o, .cmd, and .a files that are not removed by 
portage.  So yes, you can remove them without affecting anything.

My guess (based on the size) is that linux-2.6.13-gentoo-r5 is your 
current sources, so maybe you will want to keep that until your next 
kernel upgrade.

>Moreover, "emerge --pretend --prune" showed I have a few packages
>with more than one version:
>
>db (4.2.52_p2 , 1.85-r2)
>automake (1.5, 1.6.3, 1.7.9-r1, 1.4_p6, 1.8.5-r3, 1.9.6-r1)
>freetype (2.1.9-r1, 1.3.1.-r4)
>autoconf (2.13, 2.59-r6)
>
>Can I unmerge all but the last versions?
>

No.  Well, you can...but the next time you do an emerge -Dv world, they 
will get merged again.  Many packages depend upon specific versions of 
automake and autoconf. 

>Strange is, emerge does
>not always want to leave the last version, for example it has
>marked db 4.2.52 as "selected" for unmerge, and 1.85 as "protected"
>(similar for freetype, 2.1.9 "selected", 1.3.1 "protected").
>
>

In this case, the 'protected' version is whatever was most recently 
merged, not necessarily the highest version number.

-Richard

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