Date: Thu, 3 Aug 2000 01:01:00 -0400 From: Coleman Kane <cokane@one.net> To: Tim Zingelman <zingelman@fnal.gov> Cc: stable@FreeBSD.ORG, marcel@scc.nl Subject: Re: Makefile.inc1 & kernel names Message-ID: <20000803010100.A7407@cokane.yi.org> In-Reply-To: <Pine.GSO.4.21.0008021803530.16961-100000@nova.fnal.gov>; from zingelman@fnal.gov on Wed, Aug 02, 2000 at 09:10:12PM -0400 References: <3988A2A1.2E1A2B39@urx.com> <Pine.GSO.4.21.0008021803530.16961-100000@nova.fnal.gov>
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Don't forget to do something in the unlikely event that KERNEL=old
Tim Zingelman had the audacity to say:
> [I've cc'd the person who, if I'm seeing correctly, has most recently
> changed this part of Makefile.inc1 in -CURRENT. Since this keeps
> coming up here, and we need -CURRENT to DTRT so we can then get a
> MFC to make us happy here in -STABLE]
>
> > > > [ mv /kernel /kernel.old && mv /YOUR_KERNEL_HERE /kernel ]
> > > > > Actually, make installkernel was fixed so that you don't need to do
> > > > > this. [ONLY fixed in -CURRENT NOT in -STABLE]
>
> > > makeoptions KERNEL=kernel #Build kernel "foo" and install "/foo"
> > > to your kernel config file it will install it as /kernel without this
> > > change; and back up your old one as /kernel.old. I would expect this
>
> > I have to make a point here and that is I like the current
> > arrangement. I would much rather have installkernel make a file called
> > MYKERNEL than have it make all kernel's as "kernel"....
>
> Historically the generic kernel has been named /kernel.GENERIC, not
> /GENERIC. If you add 'makeoptions KERNEL=kernel.GENERIC' to the
> GENERIC config file, and 'makeoptions KERNEL=kernel' to your custom
> kernel config file, you get "close" to an answer...
>
> IMHO the 'right thing' to do is something like this:
>
> Allow KERNEL to specify a list of config files (so one can define
> KERNEL="MYCUSTOM GENERIC" for instance).
>
> Have the 'make buildkernel' target build the first one in the list with
> KERNEL=kernel, and all the others with KERNEL=kernel.NAME. (in my above
> example, MYCUSTOM would get built as kernel and GENERIC would get built
> as kernel.GENERIC.
>
> Have the 'make installkernel' target install the first one in the KERNEL
> list with KERNEL=kernel, and all the others with KERNEL=kernel.NAME.
> (again my example would install MYCUSTOM in /kernel and GENERIC in
> /kernel.GENERIC.
>
> It would be nice if in this whole process the modules only got built once,
> and the pre-existing /kernel got preserved as /kernel.old. Though I think
> that all works ok already.
>
> Here is a patch against Makefile.inc1 from -STABLE, but IT DOES NOT WORK!!
> Can someone explain to me what I'm doing wrong? make says:
>
> "/usr/src/Makefile.inc1", line 1: Malformed conditional (CUSTOM == ${INSTALLKERNEL})
>
> That's a 'make buildkernel' with 'KERNEL=CUSTOM GENERIC' in /etc/make.conf
>
> Thanks,
>
> - Tim
>
> Index: Makefile.inc1
> ===================================================================
> RCS file: /usr/cvs/src/Makefile.inc1,v
> retrieving revision 1.141.2.4
> diff -c -r1.141.2.4 Makefile.inc1
> *** Makefile.inc1 2000/06/17 03:43:06 1.141.2.4
> --- Makefile.inc1 2000/08/03 01:00:06
> ***************
> *** 330,337 ****
> # Which kernels to build and/or install is specified by setting
> # KERNEL. If not defined a GENERIC kernel is built/installed.
> # Only the existing (depending MACHINE) config files are used
> ! # for building kernels and only the first of these is designated
> ! # as the one being installed.
> #
> # Note that we have to use MACHINE instead of MACHINE_ARCH when
> # we're in kernel-land. Since only MACHINE_ARCH is (expected) to
> --- 330,339 ----
> # Which kernels to build and/or install is specified by setting
> # KERNEL. If not defined a GENERIC kernel is built/installed.
> # Only the existing (depending MACHINE) config files are used
> ! # for building kernels. The first is installed as /kernel, the
> ! # remaining are installed as /kernel.NAME. So setting
> ! # KERNEL= CUSTOM GENERIC will result in your CUSTOM kernel installed
> ! # as /kernel and GENERIC installed as /kernel.GENERIC
> #
> # Note that we have to use MACHINE instead of MACHINE_ARCH when
> # we're in kernel-land. Since only MACHINE_ARCH is (expected) to
> ***************
> *** 361,367 ****
> .if exists(${KRNLCONFDIR}/${_kernel})
> BUILDKERNELS+= ${_kernel}
> .if empty(INSTALLKERNEL)
> ! INSTALLKERNEL= ${_kernel}
> .endif
> .endif
> .endfor
> --- 363,369 ----
> .if exists(${KRNLCONFDIR}/${_kernel})
> BUILDKERNELS+= ${_kernel}
> .if empty(INSTALLKERNEL)
> ! INSTALLKERNEL= ${_kernel}
> .endif
> .endif
> .endfor
> ***************
> *** 377,383 ****
> @echo ">>> Rebuilding kernel(s)"
> @echo "--------------------------------------------------------------"
> .for _kernel in ${BUILDKERNELS}
> ! @echo "===> ${_kernel}"
> mkdir -p ${KRNLOBJDIR}
> cd ${KRNLCONFDIR}; \
> PATH=${TMPPATH} \
> --- 379,390 ----
> @echo ">>> Rebuilding kernel(s)"
> @echo "--------------------------------------------------------------"
> .for _kernel in ${BUILDKERNELS}
> ! .if ${_kernel} == ${INSTALLKERNEL}
> ! KERNELNAME= kernel
> ! .else
> ! KERNELNAME= kernel.${_kernel}
> ! .endif
> ! @echo "===> ${KERNELNAME}"
> mkdir -p ${KRNLOBJDIR}
> cd ${KRNLCONFDIR}; \
> PATH=${TMPPATH} \
> ***************
> *** 385,405 ****
> cd ${KRNLOBJDIR}/${_kernel}; \
> MAKESRCPATH=${KRNLSRCDIR}/dev/aic7xxx \
> ${MAKE} -f ${KRNLSRCDIR}/dev/aic7xxx/Makefile; \
> ! ${WMAKEENV} MACHINE=${MACHINE} KERNEL=${_kernel} \
> ${MAKE} depend; \
> ! ${WMAKEENV} MACHINE=${MACHINE} KERNEL=${_kernel} ${MAKE} all
> .endfor
>
> #
> # installkernel
> #
> ! # Install the kernel defined by INSTALLKERNEL
> #
> installkernel:
> cd ${KRNLOBJDIR}/${INSTALLKERNEL}; \
> ! ${IMAKEENV} MACHINE=${MACHINE} KERNEL=${INSTALLKERNEL} \
> ${MAKE} install
> !
> #
> # update
> #
> --- 392,420 ----
> cd ${KRNLOBJDIR}/${_kernel}; \
> MAKESRCPATH=${KRNLSRCDIR}/dev/aic7xxx \
> ${MAKE} -f ${KRNLSRCDIR}/dev/aic7xxx/Makefile; \
> ! ${WMAKEENV} MACHINE=${MACHINE} KERNEL=${KERNELNAME} \
> ${MAKE} depend; \
> ! ${WMAKEENV} MACHINE=${MACHINE} KERNEL=${KERNELNAME} ${MAKE} all
> .endfor
>
> #
> # installkernel
> #
> ! # Install the kernel defined by INSTALLKERNEL as /kernel,
> ! # Install all others as kernel.NAME
> #
> installkernel:
> + .for _kernel in ${BUILDKERNELS}
> + .if ${_kernel} == ${INSTALLKERNEL}
> + KERNELNAME= kernel
> + .else
> + KERNELNAME= kernel.${_kernel}
> + .endif
> + @echo "===> ${KERNELNAME}"
> cd ${KRNLOBJDIR}/${INSTALLKERNEL}; \
> ! ${IMAKEENV} MACHINE=${MACHINE} KERNEL=${KERNELNAME} \
> ${MAKE} install
> ! .endfor
> #
> # update
> #
>
>
>
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>
--
Coleman Kane
President,
UC Free O.S. Users Group - http://pohl.ececs.uc.edu
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