Messages in this thread | | | Subject | Re: Linux 2.6 nanosecond time stamp weirdness breaks GCC build | From | (Paul Jarc) | Date | Thu, 01 Apr 2004 17:44:59 -0500 |
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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.
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