Re: kbuild 2.5 is ready for inclusion in the 2.5 kernel

From: tomas szepe (
Date: Thu May 02 2002 - 05:38:10 EST

> > Linus, kbuild 2.5 is ready for inclusion in the main 2.5 kernel tree.
> > It is faster, better documented, easier to write build rules in, has
> > better install facilities, allows separate source and object trees, can
> > do concurrent builds from the same source tree and is significantly
> > more accurate than the existing kernel build system.
> I never used kbuild 2.5 (sorry Keith), but I am tired of
> 'make mrproper' bug in existing kernel build system.
> Whenever my new kernel does not boot, I have to do
> full build just to make sure I wasn't bitten
> by it again.
> I gather there is no such bug in kbuild 2.5.
> That's good.

Yeah, I have to say, kbuild 2.5 is definitely a nice thing..
Looking fw to seeing it included in mainline.

Btw, Keith, how's the bug (if it is a bug at all) w/ CONFIG_MODVERSIONS?
Whenever I built a kernel with it set using kbuild 2.5 everything went fine
up to the moment I tried to load a module into the new kernel -- not one would
actually work, complaining about unresolved symbols (at the same time, though,
depmod -ae had nothing to report). Since I couldn't find any info on this
I concluded it might be that CONFIG_MODVERSIONS was considered obsolete and
as such would no longer be supported?

Another question I'd like to ask (soooorry :D) -- would there be a little
cunning target in Makefile-2.5 that'd create the asm-$arch symlink for me
in include/ like kbuild 2.4 does? Whenever I run "make -f Makefile-2.5 clean"
followed by "make -f Makefile-2.5 menuconfig" I get some serious whipping
from kbuild 2.5, cos the asm-$arch symlink gets deleted in the cleaning,
and I have to resurrect it by hand.


"hello it's not like i read my mail so that you have where to offer to sell me
a giant turnip or anything else thankyou." -tomas szepe <>          
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