Compiling the kernel

Kenzo kenzo_chin at
Mon Dec 1 07:34:49 PST 2003

What happened to
make buildkernel KERNCONF=KERNEL
make installkernel KERNCONF=KERNEL

did this change in newer version or something?
I thought the above was the new way of rebuilding a kernel.  Am I not up to

----- Original Message ----- 
From: "Jerry McAllister" <jerrymc at>
To: "Valerian Galeru" <valerian_ro at>
Cc: <freebsd-questions at>
Sent: Monday, December 01, 2003 9:13 AM
Subject: Re: Compiling the kernel

> >
> > I want to build a new kernel. I have edit the GENERIC
> > file (like is written into the documentation). And
> > when i run /usr/sbin/config
> > /root/kernels/MYKERNEL(this is my kernel) i get a lot
> > of errors Command not found. What is made wrong???
> First of all, I presume you really used one line as
>   /usr/sbin/config /root/kernels/MYKERNEL
> Not two separate command lines as it appears in your message.
> Secondly, did you make your copy of GENERIC in to the
> same directory as GENERIC?    That is the best idea.
> Third, on any of the FreeBSD systems I have worked on there is
> no /root/kernels directory.   (If this is something new with 5.x I
> am off on this as I haven't built a 5.x yet)  The kernel
> config files are in:  /usr/src/sys/i386/conf  (or did you set up
> some homebrew link?)   So, I would expect that there is a file:
>   /usr/src/sys/i386/conf/MYKERNEL
> and the best way to run things is to
>   cd /usr/src/sys/i386/conf
>   vi MYKERNEL        (make whatever changes you need and write+exit vi)
>   /usr/sbin/config MYKERNEL
>   cd ../../compile/MYKERNEL
>   make depend
>   make
>   [make install]   Only if you want the present kernel replaced
> Now if you have CVSUPed and etc, then you will want to follow those
> instructions instead of merely building a kernel.   Doing it
> the above way is only if you are just changing the kernel config
> and then recompiling.
> ////jerry
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