Date: Tue, 11 Jul 2000 17:31:29 +0900 From: "Daniel C. Sobral" <dcs@newsguy.com> To: Greg Lehey <grog@lemis.com> Cc: Vivek Khera <khera@kciLink.com>, Kris Kennaway <kris@FreeBSD.ORG>, stable@FreeBSD.ORG Subject: Re: HEADS UP! Always use the 'make buildkernel' target to make yer kernels Message-ID: <396ADB61.5736BF19@newsguy.com> References: <Pine.BSF.4.21.0007092043510.33246-100000@freefall.freebsd.org> <14697.55301.614418.390096@onceler.kcilink.com> <20000711103710.B21954@wantadilla.lemis.com>
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Greg Lehey wrote:
>
> Agreed. I tried it out and found a number of things I didn't like
> about it. Basically, it's a completely different build process:
>
> 1. Before building, it removes the existing kernel build tree.
> There's no good reason for this.
make buildkernel -DNOCLEAN
See also:
# -DNO_KERNELCONFIG do not run config in ${MAKE} buildkernel
# -DNO_KERNELDEPEND do not run ${MAKE} depend in ${MAKE}
buildkernel
> 2. It builds in a different tree (/usr/obj instead of
> /usr/src/sys/compile).
Is this a problem by itself? Having a RO /usr/src is good. :-)
> These two points mean that if you later
> want to go back and tune your kernel (change a driver parameter,
> say), you can't just do a config; cd ../../compile/FOO; make, you
> have to go the whole nine yards.
See #1.
> 3. It gives the kernel a different name.
It _installs_ kernel with a different name. That makes it possible for
one to keep multiple kernels lying around / easily. Granted, few people
need that. I heard that this has been corrected in -current now. If so,
*PLEASE MERGE THIS ASAP TO STABLE*. Asking people on stable to change
their ways twice over the same thing is asbolutely unreasonable.
Personally, I prefer different names, even though it annoyed the hell
out of me at first. Until I changed my /boot/loader.conf :).
> 4. It's just plain clumsy.
MMmmm? In what way? A single command line does all the work for me,
including variations on running config, with and without -r, and making
depend or not.
Perhaps your average kernel building procedure is much more complex than
mine was...
--
Daniel C. Sobral (8-DCS)
dcs@newsguy.com
dcs@freebsd.org
capo@the.great.underground.bsdconpiracy.org
<jkh> _DES: The Book of Bruce has only one sentence in it, and it says
"the actual directives of my cult are left as an exercise for the
reader. Good luck."
<EE> jkh: does it really include the 'good luck' part?
<jkh> EE: OK, I made that part up.
<jkh> EE: I figured it should sound a bit more cheery than how Bruce
initially dictated it to me.
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