kernel compile problems

[Wojciech Puchar]

> The process for building a kernel has changed since the days of 4.x.  Now you 
> should just use:
>
> make buildkernel KERNCONF=configfile
>
> Leave the KERNCONF out to build GENERIC.
>
> See http://www.freebsd.org/doc/en/books/handbook/kernelconfig-building.html 
> for more details.
>
> -- 
if userland and kernel are in sync "old" method is OK