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

Russell King (rmk@arm.linux.org.uk)
Sat, 4 May 2002 10:38:43 +0100

On Sat, May 04, 2002 at 07:03:02PM +1000, Keith Owens wrote:
> md5sums alone are not enough, people touch source or header files, even
> config options and expect objects to be rebuilt, timestamps are
> required as well. A change to the KBUILD_SRCTREE_nnn environment
> variables adds or deletes entire trees. So phase1 is still required,
> to find all the files in all the trees and get their current
> timestamps. "Optimizing" will not save any time there, kbuild always
> needs current timestamp data.

So you're *reading* all source files in the kernel tree each time you
kick off a build? Do you have shares in a SDRAM memory manufacturer
by any chance?

If that's the case, I'd rather the existing 2.4 build system stayed.

-- 
Russell King (rmk@arm.linux.org.uk)                The developer of ARM Linux
             http://www.arm.linux.org.uk/personal/aboutme.html


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