Re: Check handling of kernel build output directory

From: Markus Elfring
Date: Fri Oct 26 2007 - 14:40:57 EST


> Aren't you supposed to use O= as described by "make help"?

I expect that both ways should work. I find it easier to use the environment variable
"KBUILD_OUTPUT" because the command line parameter does not need to be repeated on each
make invocation.

Anyway - How do you think about my following test result?

Sonne:/usr/src/linux # MY_OUTDIR=/usr/src/obj/linux/2.6.23.1/x86_64/adjusted && rm -rf
$MY_OUTDIR/*
Sonne:/usr/src/linux # unset KBUILD_OUTPUT && make mrproper
CLEAN .config
Sonne:/usr/src/linux # cp -p /boot/config-2.6.23.1-0-adjusted .config
Sonne:/usr/src/linux # make O=$MY_OUTDIR oldconfig && date && echo
XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX && make -j3 O=$MY_OUTDIR && echo
YYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYY && make -j3 O=$MY_OUTDIR modules_install install
&& echo ZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZ && date
HOSTCC scripts/basic/fixdep
HOSTCC scripts/basic/docproc
GEN /usr/src/obj/linux/2.6.23.1/x86_64/adjusted/Makefile
HOSTCC scripts/kconfig/conf.o
HOSTCC scripts/kconfig/kxgettext.o
SHIPPED scripts/kconfig/zconf.tab.c
SHIPPED scripts/kconfig/lex.zconf.c
SHIPPED scripts/kconfig/zconf.hash.c
HOSTCC scripts/kconfig/zconf.tab.o
HOSTLD scripts/kconfig/conf
scripts/kconfig/conf -o arch/x86_64/Kconfig
*
* Linux Kernel Configuration
*
[...]
#
# configuration written to .config
#
Fri Oct 26 20:30:39 CEST 2007
XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX
GEN /usr/src/obj/linux/2.6.23.1/x86_64/adjusted/Makefile
scripts/kconfig/conf -s arch/x86_64/Kconfig
GEN /usr/src/obj/linux/2.6.23.1/x86_64/adjusted/Makefile
CHK include/linux/version.h
UPD include/linux/version.h
CHK include/linux/utsrelease.h
UPD include/linux/utsrelease.h
SYMLINK include/asm -> include/asm-x86_64
Using /usr/src/linux-2.6.23.1 as source for kernel
/usr/src/linux-2.6.23.1 is not clean, please run 'make mrproper'
in the '/usr/src/linux-2.6.23.1' directory.
make[1]: *** [prepare3] Error 1
make: *** [_all] Error 2
make: INTERNAL: Exiting with 4 jobserver tokens available; should be 3!

How does any internal status information get inconsistent here?

Regards,
Markus

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