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    SubjectRe: kbuild 2.5 is ready for inclusion in the 2.5 kernel
    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 ( The developer of ARM Linux

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