On Thu, 12 Jan 2012 12:17:57 +0100
Luigi Rizzo <ri...@iet.unipi.it> wrote:
>> On Thu, Jan 12, 2012 at 12:22:50PM +0200, Aleksandr Rybalko wrote:
>> > On Thu, 12 Jan 2012 11:17:39 +0100
>> > Luigi Rizzo <ri...@iet.unipi.it> wrote:
>> >
>> > >> On Thu, Jan 12, 2012 at 01:55:39AM -0800, Garrett Cooper wrote:
>> > >> > On Thu, Jan 12, 2012 at 2:06 AM, Luigi Rizzo
>> > >> > <ri...@iet.unipi.it> wrote:
>> > >> > > On Thu, Jan 12, 2012 at 10:16:53AM +0100, Gary Jennejohn
>> > >> > > wrote:
>> > >> > >> On Thu, 12 Jan 2012 09:11:39 +0100
>> > >> > >> Luigi Rizzo <ri...@iet.unipi.it> wrote:
>> > >> > >>
>> > >> > >> > usr/sbin/config assumes that the kernel config file
>> > >> > >> > lives in ${src_base}/sys/${arch}/conf , which means that
>> > >> > >> > if you need to build a custom kernel one needs RW
>> > >> > >> > access to that directory.
>> > >> > >> >
>> > >> > >> > Any idea on how we can enable config to work in a
>> > >> > >> > generic directory ?
>> > >> > >> >
>> > >> > >> > I scanned the source code usr.sbin/config and found that
>> > >> > >> > it uses hardwired paths -- specifically, it looks for
>> > >> > >> > the kernel source tree in "../.." and has multiple
>> > >> > >> > hardwired paths such as "../../conf/".
>> > >> > >> > There is also a somewhat undocumented access to a
>> > >> > >> > file called DEFAULTS that extends the configuration you
>> > >> > >> > pass.
>> > >> > >> >
>> > >> > >> > Any objections to the addition of a "-s" option to config
>> > >> > >> > (8) to specify the location of the source tree ?
>> > >> > >> >
>> > >> > >>
>> > >> > >> Seems like a good idea to me as long as the old behavior is
>> > >> > >> kept.
>> > >> > >
>> > >> > > of course :)
>> > >> >
>> > >> > Why not just set KERNCONFDIR?
>> > >>
>> > >> The variable does not seem to be used by usr/sbin/config
>> > >>
>> > >> cheers
>> > >> luigi
>> > >> _______________________________________________
>> > >> freebsd-current@freebsd.org mailing list
>> > >> http://lists.freebsd.org/mailman/listinfo/freebsd-current
>> > >> To unsubscribe, send any mail to
>> > >> "freebsd-current-unsubscr...@freebsd.org"
>> >
>> > Hi,
>> >
>> > ZRouter.org use just full path to config file
>> > make KERNCONF=/path/to/config buildkernel
>>
>> It does not work:
>>
>> > ls -l /home/luigi/FreeBSD/pico9/qemu/PICOBSD.amd64
>> -rw-r--r-- 1 luigi wheel 4285 Jan 12
>> 11:32 /home/luigi/FreeBSD/pico9/qemu/PICOBSD.amd64
>> > make KERNCONF=/home/luigi/FreeBSD/pico9/qemu/PICOBSD.amd64
>> > buildkernel
>> ERROR: Missing kernel configuration file(s)
>> (/home/luigi/FreeBSD/pico9/qemu/PICOBSD.amd64).
>>
>> As i said, the hardwired paths in config suggest that there is
>> a requirement that the config lives under the source tree and
>> cannot be in a completely arbitrary position. My tests confirm that.
>> So, KERNCONF=/path/to/config only works for certain values of
>> /path/to/config .
>>
>> Of course i may be wrong but if you have direct experience
>> in building a kernel whose config file name is /tmp/NOT_GENERIC
>> please let me know how you do it.
>>
>> cheers
>> luigi
>> _______________________________________________
>> freebsd-current@freebsd.org mailing list
>> http://lists.freebsd.org/mailman/listinfo/freebsd-current
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Oh, yes, sorry, I forgot about Makefile.inc1 changes.
Her it is:
Index: Makefile.inc1
===================================================================
--- Makefile.inc1 (revision 229577)
+++ Makefile.inc1 (working copy)
@@ -29,6 +29,7 @@
# /usr/share/mk. These include:
# obj depend all install clean cleandepend cleanobj
+SRC_ROOT=${.CURDIR}
# You are supposed to define both of these when calling Makefile.inc1
# directly. However, some old scripts don't. Cope for the moment, but
# issue a new warning for a transition period.
@@ -215,6 +216,7 @@
CROSSENV= MAKEOBJDIRPREFIX=${OBJTREE} \
MACHINE_ARCH=${TARGET_ARCH} \
MACHINE=${TARGET} \
+ SRC_ROOT=${.CURDIR} \
CPUTYPE=${TARGET_CPUTYPE}
.if ${OSRELDATE} < 700044
CROSSENV+= AR=gnu-ar RANLIB=gnu-ranlib
@@ -381,6 +383,7 @@
mtree -deU -f ${.CURDIR}/etc/mtree/BIND.include.dist \
-p ${WORLDTMP}/usr/include >/dev/null
.endif
+ mkdir -p ${WORLDTMP}/legacy/usr/include/lzma >/dev/null
_legacy:
@echo
@echo
"--------------------------------------------------------------" @@
-768,12 +771,19 @@ BUILDKERNELS=
INSTALLKERNEL=
.for _kernel in ${KERNCONF}
+__absolute=${_kernel:C/^\/.*$/abs/}
.if exists(${KERNCONFDIR}/${_kernel})
BUILDKERNELS+= ${_kernel}
.if empty(INSTALLKERNEL)
INSTALLKERNEL= ${_kernel}
.endif
+.elif exists(${_kernel}) && ${__absolute} == "abs"
+# Kernel config with absolute path
+BUILDKERNELS+= ${_kernel}
+.if empty(INSTALLKERNEL)
+INSTALLKERNEL= ${_kernel}
.endif
+.endif
.endfor
#
@@ -798,17 +808,24 @@
@echo ">>> Kernel build for ${_kernel} started on `LC_ALL=C
date`" @echo
"--------------------------------------------------------------" @echo
"===> ${_kernel}"
- mkdir -p ${KRNLOBJDIR}
+ mkdir -p ${KRNLOBJDIR}/${_kernel}
.if !defined(NO_KERNELCONFIG)
@echo
@echo
"--------------------------------------------------------------" @echo
">>> stage 1: configuring the kernel" @echo
"--------------------------------------------------------------" +.if !
empty(_kernel:S/^\/.*$//) cd ${KRNLCONFDIR}; \
PATH=${TMPPATH} \
config ${CONFIGARGS} -d ${KRNLOBJDIR}/${_kernel} \
${KERNCONFDIR}/${_kernel}
+.else
+ cd ${KRNLCONFDIR}; \
+ PATH=${TMPPATH} \
+ config ${CONFIGARGS} -d ${KRNLOBJDIR}/${_kernel} \
+ ${_kernel}
.endif
+.endif
.if !defined(NO_CLEAN) && !defined(NO_KERNELCLEAN)
@echo
@echo
"--------------------------------------------------------------"
P.S. somewhere I else have patch to zrouter which allow do same w/o
Makefile.inc1 modification posted by Luiz Otavio O Souza, but I can't
find it right now :)
WBW
--
Aleksandr Rybalko <r...@freebsd.org>
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