Safe to delete old files in /usr/lib?

[Markus Edemalm]

> 4 jan. 2016 kl. 18:12 skrev Polytropon <freebsd at edvax.de>:
> 
> On Mon, 4 Jan 2016 18:06:00 +0100, Markus Edemalm wrote:
>> Hello,
>> 
>> My system was first installed as 10.0-RELEASE. I have since upgraded to 10.1, 10.1-STABLE, 10.2-RELEASE and is now at 10.2-RELEASE-p8.
>> I’ve rebuild from source and followed the steps in the handbook. Everything is fine… but:
>> 
>> I see many files in /usr/lib with old dates, apparently they are no longer installed during upgrades.
>> 
>> My /etc/make.conf looks like this:
>> 
>> NO_PROFILE=true
>> WITHOUT_X11=yes
>> 
>> Today, January the 4th, I upgraded to -p8. The newly installed files has todays date, i.e ”Jan  4”.
>> If I do:
>> 
>> ls -lF /usr/lib | grep -v 'Jan  4' | awk {'print $9'}
>> 
>> …I get the following list of (obsolete?) files and folders with older dates.
>> 
>> aout/
>> compat/
>> libBlocksRuntime.a
>> libalias.a
>> libalias_cuseeme.a

[long list cut]

>> liby.a
>> libypclnt.a
>> libz.a
>> libzfs.a
>> libzfs_core.a
>> libzpool.a
>> 
>> Would it be safe to delete them?
> 
> If you install from source, use the following targets:
> 
> # check-old           - List obsolete directories/files/libraries.
> # check-old-dirs      - List obsolete directories.
> # check-old-files     - List obsolete files.
> # check-old-libs      - List obsolete libraries.

Sorry, no files in /usr/lib comes up. Just a few others I know about.

> And then:
> 
> # delete-old          - Delete obsolete directories/files/libraries.
> # delete-old-dirs     - Delete obsolete directories.
> # delete-old-files    - Delete obsolete files.
> # delete-old-libs     - Delete obsolete libraries.
> 
> See the comment header of /usr/src/Makefile for more information
> (and how those targets fit the recommended updating procedure,
> listed a few lines later).
> 
> Generally speaking: As long as no program is linked against those
> files, and no program requires them, they can be deleted. This
> statement highly depends on which programs you have installed
> and what they are linked against. :-)

Thank you. Still wonder why they are so many and where the came from in the first place.
And, they are all .a files, except for libc++.so and libc.so.

I added NO_PROFILE=true to /etc/make.conf a while back. Is that relevant?

> 
> -- 
> Polytropon
> Magdeburg, Germany
> Happy FreeBSD user since 4.0
> Andra moi ennepe, Mousa, …

Thanks again,

ME