Re: Problem with left over files from earlier releases

Mike Clarke wrote:
> After the latest round of package upgrades sysutils/vm-bhyve and
> graphics/digikam failed to start with the error:
> 
> 
> ld-elf.so.1: /usr/lib/libelf.so.1: version ELFUTILS_1.0 required by
> /usr/local/lib/libdw.so.1 not found
> 
> 
> Digging around for libelf.so I found:
> 
> 
> curlew:/home/mike% locate libelf.so.1
> 
> /usr/lib/libelf.so.1
> 
> /usr/local/lib/libelf.so.1
> 
> curlew:/home/mike% ls -l /usr/lib/libelf.so.1 /usr/local/lib/libelf.so.1
> 
> -r--r--r--  1 root  wheel  90760 30 Apr  2016 /usr/lib/libelf.so.1
> 
> lrwxr-xr-x  1 root  wheel     15  2 Apr 02:42
> /usr/local/lib/libelf.so.1@ -> libelf-0.187.so
> 
> 
> It looks like seven year old /usr/lib/libelf.so.1 is left over from an
> old version. Booting from a memstick image confirms there is no
> /usr/lib/libelf.so.1 in 'out of the box' FreeBSD 13.1 so I deleted it
> and both programs worked. But this makes me wonder how many redundant
> old files might be lying around in the base system and potentially
> causing problems. Is there any easy way to track these down other than
> doing a fresh install from scratch? Since I'm intending to upgrade to
> 13.2 soon this could be a good time to see if there's more redundant
> stuff to clean out.

If you are using source upgrades, check list-old* and delete-old*
targets in /usr/src/Makefile.