Cannot install kernel as user

[Julian Elischer]

Ryan Sommers wrote:

>Jeremie Le Hen said:
>  
>
>>Hi,
>>
>>my laptop is a very slow beast but this is the only computer I can
>>actually run -CURRENT on.  In order to parallelize task, when my laptop
>>is fsck'ing after a panic, I use a collegue's computer on which I have
>>a shell to build the new kernel.  Everything works quite well, except
>>that when I install the kernel, install(8) will stop on chown(2) :
>>
>>%%%
>>  propane:Z6PO$ make KERNEL=kernel.test DESTDIR=$HOME/export  install
>>  [...]
>>  mkdir -p /home/tataz/export/boot/kernel.test
>>  install -p -m 555 -o root -g wheel kernel
>>/home/tataz/export/boot/kernel.test
>>  install: /home/tataz/export/boot/kernel.test/kernel: chown/chgrp:
>>Operation not permitted
>>  *** Error code 71
>>
>>  Stop in /usr/home/tataz/FreeBSD/CURRENT/src/sys/i386/compile/Z6PO.
>>%%%
>>
>>I thought about adding a flag such as NO_INSTALLCHOWN in both
>>kern.post.mk and kmod.mk.  What do you think of the idea ?
>>
>>I saw there are KMODOWN and KMODGRP in kmod.mk, but it seems there is
>>no similar facility in kern.post.mk.  Maybe it would be worth having
>>KERNOWN and KERNGRP as well.
>>
>>I can submit a patch if asked.
>>    
>>
>
>I'm trying to think where this would be useful outside your particular
>situation. I'm not sure there is a lot of use.
>

It's also useful when doing a build inside a jail as flags cannot be 
changed insode a jail.

I got around it by replacing 'chflags' in the jail by a shell script the 
does nothing :-).

>
>The official way to do what you are looking to do is to mount it the other
>way. On the build machine export the src/obj directories and mount them on
>the target machine. Then execute your make install from the target
>machine. Otherwise you run into problems like you are running into.
>Especially if you're running an install as a non-root user.
>
>  
>