Re: is building kernel in /sys/amd64/conf depreciated in 11 ?

> On Oct 20, 2015, at 8:55 PM, Benjamin Kaduk <kaduk_at_MIT.EDU> wrote:
> 
> On Tue, 20 Oct 2015, John wrote:
> 
>> Hi,
>> 
>> as subject - is building kernel in /sys/amd64/conf depreciated?
>> 
>> I can get a modified kernel to build and install in /usr/src but not
>> in /sys/amd64/conf. I always used to be able to do this in there, then
>> again I either used -RELEASE or -STABLE. I used to do it like this:
>> 
>> 1. cd /sys/amd64/conf
>> 2. cp GENERIC MYKERNEL
>> 3. [make changes to MYKERNEL and save]
>> 4. config MYKERNEL
>> 5. cd ../compile/MYKERNEL
>> 6. make cleandepend && make depend && make
>> 
>> This fails *every time* during make. It fails at this point:
>> 
>> Make[1]: "/storage/usr/ports/Mk/bsd.port.mk" line 1204: UNAME_r
> 
> Why is your kernel build pulling in bsd.port.mk?  Please post src.conf and
> make.conf.
> 
>> (11.0-CURRENT) and OSVERSION () do not agree on major version number.
>>      *** [all] Error code 1
>>             make: stopped in /storage/usr/src/sys/amd64/compile/PUMPKIN
>> The error still happens if I refresh all my sources, build a new world
>> with a generic kernel and reboot and then try the old method again.
>> 
>> I *can* build a custom kernel if I cd into /usr/src and do
>> 
>> 1. make buildkernel KERNCONF=MYKERNEL
>> 2. make installkernel KERNCONF=MYKERNEL
>> 
>> Basically I'm asking is this change of behaviour documented and/or am
>> I doing it wrong?
> 
> This is not exactly an answer to your question, but buildkernel has been
> the preferred way to build a kernel for at least four major releases.  The
> manual-config method has limped along because enough of the old-guard of
> committers has it in finger memory, but manual-config has been excised
> from the handbook for quite some time.

I Still do it the old way on current amd64:

1. cd /sys/amd64/conf
2. cp GENERIC MYKERNEL
3. [make changes to MYKERNEL and save]
4. config MYKERNEL
5. cd ../compile/MYKERNEL
6. make cleandepend && make depend && make

Although i have a script that does all of the above.
Works fine here. Must be something in you src.conf, make.conf or MYKERNEL

Here is the script that works for me:

#!/bin/sh
cd /usr/src/usr.sbin/config
make obj
make clean cleandepend
make obj
make depend all install
date > /tmp/date.txt
doclean=true
autoinstall=true
kernelname=pozo
for arg; do
	case $arg in
		-n*)	doclean=false;;
		-i*)	autoinstall=true;;
		-*)	usage;;
		*)	kernelname=$arg;;
	esac
done

if [ -z "$kernelname" ]; then
	kernelname=`hostname -s | tr a-z A-Z`
fi

cd /sys/`uname -m`/conf
if [ ! -e $kernelname ]; then
	echo "$0: kernel configuration file $kernelname does not exist"
	echo -n 'Create one from GENERIC [n]?'
	if read ans && expr $ans : 'y*' >/dev/null; then
		sed '/^#SED0/,$d' < GENERIC > $kernelname
		lsdev -c >> $kernelname
		echo '#SED0' >> $kernelname
		sed '1,/^#SED0/d' < GENERIC >> $kernelname
	else
		exit 1
	fi
fi

set -e
rm -rf /sys/amd64/compile/pozo
config  $kernelname

cd /sys/amd64/compile/$kernelname
if $doclean; then
	make clean
fi

make depend
make -j8 all

if $autoinstall; then
make install
fi

date >> /tmp/date.txt
cat /tmp/date.txt
rm /tmp/date.txt

exit 0