stop in make installworld: ld-elf.so.1: symbol lstat1 at FBSD_1.5 not found

[Matthias Apitz]

On Mon, 31 Dec 2018 13:12:15 +0000, Dimitry Andric wrote:
> On 31 Dec 2018, at 13:08, Matthias Apitz <guru at unixarea.de> wrote:
>> 
>> On Mon, 31 Dec 2018 12:27:55 +0100, Matthias Apitz wrote:
>>> 
>>> Hello,
>>> 
>>> I'm updating the usual way a system from r314251 to tje 
>>> actual CURRENT r342378.
>>> The 'make installworld' failes in single user mode with:
>>> 
>>> ld-elf.so.1: /usr/obj/usr/src/amd64.amd64/tmp/legacy/usr/sbin/rm:
>>> Undefined symbol lstat1 at FBSD_1.5
>>> 
>>> What can I do?
>> 
>> As I had no other idead, I run the 'make installworld' again, 
>> now with success.
>> 
>> What does this mean?
>
> I think what may have happened was the following.
>
> The "legacy" rm which failed was likely a symlink to /bin/rm, like so:
>
> $ ls -l  /usr/obj/usr/src/amd64.amd64/tmp/legacy/usr/bin/rm
> lrwxr-xr-x  1 dim  dim  7 2018-12-29 16:22:12 
> /usr/obj/usr.old/src/amd64.amd64/tmp/legacy/usr/bin/rm@ -> 
> /bin/rm
>
> For some reason, /bin/rm may have been overwritten before your
> /lib/libc.so.7, which caused the "Undefined symbol" error from
> ld-elf.so.1.
>
> Alternatively, installing /lib/libc.so.7 may have failed without the
> Makefile noticing it, after which the first /bin/rm would show that same
> error.
>
> When you re-ran "make installworld", the installation of /lib/libc.so.7
> likely succeeded, and after that the symlinked commands in
> /usr/obj/usr/src/amd64.amd64/tmp/legacy/usr/bin which used new symbols
> started to work.
>

I still have two identical updates scheduled, based on extactly the same src and precompiled obj tree. I will investigate the next and file a PR.

matthias


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