kernel config question

[John Baldwin]

On 1/2/19 12:02 PM, Kurt Jaeger wrote:
> Hi!
> 
>> FreeBSD 12.0-CURRENT #0 r331659: Thu Mar 29 12:31:36 EDT 2018 amd64
>>
>> 	to CURRENT (as of last midnight.
>> 	Does this, in src/UPDATING:
>>
>> 	[8] In order to have a kernel that can run the 4.x binaries
>> 	needed to do an installworld, you must include the
>> 	COMPAT_FREEBSD4 option in your kernel. [...]
> 
>> 	 (It seems ... irrational ... one would need compatibility stuff
>>  going back to FreeBSD 4 to rebuild/update FreeBSD 13.)
> 
> No, COMPAT_FREEBSD4 is not needed. Maybe COMPAT_FREEBSD11 is needed.

Yes, that text needs to be made more generic to say that you will need
COMPAT_FREEBSD<N-1>.  Though we've also had some major branches that
didn't get a COMPAT_FREEBSD<N> option.
-- 
John Baldwin