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    SubjectRe: Linux 2.6 nanosecond time stamp weirdness breaks GCC build
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    Joe Buck <Joe.Buck@synopsys.COM> wrote:
    > Case 2: make falsely thinks that the .c is younger than the .o. It
    > recompiles the .c file, even though it didn't have to. Harmless.

    The OP explained how this can be harmful in the case of parallel
    builds - the .o file is not updated atomically, so while one part of
    the build is (unnecessarily) updating it, another part will fail to
    find it.


    paul
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