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Re: Linux 2.6 nanosecond time stamp weirdness breaks GCC build
- From: Ulrich Weigand <weigand at i1 dot informatik dot uni-erlangen dot de>
- To: Joe dot Buck at synopsys dot com (Joe Buck)
- Cc: ak at suse dot de (Andi Kleen), weigand at i1 dot informatik dot uni-erlangen dot de (Ulrich Weigand), gcc at gcc dot gnu dot org, linux-kernel at vger dot kernel dot org, schwidefsky at de dot ibm dot com
- Date: Fri, 2 Apr 2004 00:48:55 +0200 (CEST)
- Subject: Re: Linux 2.6 nanosecond time stamp weirdness breaks GCC build
Joe Buck 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.
*Not* harmless, in fact this is exactly what breaks my bootstrap.
Think about what happens when cc1 is 'harmlessly' rebuilt just
while in a parallel make that very same cc1 binary is used to
run a compile ...
Dr. Ulrich Weigand