Safe to delete old files in /usr/lib?

[Anton Sayetsky]

5 янв. 2016 г. 21:35 пользователь "Markus Edemalm" <markus at edemalm.se>
написал:
>
>
> >>>>>> I added NO_PROFILE=true to /etc/make.conf a while back. Is that
relevant?
> >>>>>
> >>>>> Hmmm... I always thought that would be the default (no profiling
libs
> >>>>> being built and installed). But according to "man src.conf", the
> >>>>> setting's name is WITHOUT_PROFILE, not NO_PROFILE.
> >
> > I removed NO_PROFILE=true from /etc/make.conf and rebuilt everything
today.
> > Now I got the _p.a files installed. But no .a files. For each lib in
/usr/lib I have, for example:
> >
> > -r--r--r--   1 root  wheel     29242 Dec  2  2014 librt.a
> > lrwxr-xr-x   1 root  wheel        10 Jan  5 16:50 librt.so@ ->
librt.so.1
> > -r--r--r--   1 root  wheel     23832 Jan  5 16:50 librt.so.1
> > -r--r--r--   1 root  wheel     32202 Jan  5 16:50 librt_p.a
> >
> > -r--r--r--   1 root  wheel     30550 Dec  2  2014 libpanelw.a
> > lrwxr-xr-x   1 root  wheel        14 Jan  5 16:50 libpanelw.so@ ->
libpanelw.so.5
> > -r--r--r--   1 root  wheel     11840 Jan  5 16:50 libpanelw.so.5
> > -r--r--r--   1 root  wheel     31678 Jan  5 16:50 libpanelw_p.a
> >
> > See the dates? Why do I get fresh _p.a files and no .a files?
> >
>
> Update. I moved all *.a files to /usr/lib/old and did:
>
> # cd /usr/src/lib
> # make install
>
> Now, everything including .a files installs and get fresh dates.
Following the example above:
>
> -r--r--r--  1 root  wheel  29242 Jan  5 18:46 librt.a
> lrwxr-xr-x  1 root  wheel     10 Jan  5 18:46 librt.so@ -> librt.so.1
> -r--r--r--  1 root  wheel  23832 Jan  5 18:46 librt.so.1
> -r--r--r--  1 root  wheel  32202 Jan  5 18:46 librt_p.a
>
> -r--r--r--  1 root  wheel  30550 Jan  5 18:46 libpanelw.a
> lrwxr-xr-x  1 root  wheel     14 Jan  5 18:46 libpanelw.so@ ->
libpanelw.so.5
> -r--r--r--  1 root  wheel  11840 Jan  5 18:46 libpanelw.so.5
> -r--r--r--  1 root  wheel  31678 Jan  5 18:46 libpanelw_p.a
>
> So, It looks like the installer ignores existing files if they have the
same size?
man install
/-C

> Just curious what’s going on.