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SubjectRe: Linux 2.6 nanosecond time stamp weirdness breaks GCC build
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.

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