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Re: missing targets during parallel builds (was: Re: running parallel ma


From: Per Jessen
Subject: Re: missing targets during parallel builds (was: Re: running parallel make jobs and avoiding jumbled/garbled output?)
Date: Tue, 04 Mar 2008 15:53:03 +0100
User-agent: KNode/0.10.4

Paul Smith wrote:

> On Tue, 2008-03-04 at 15:29 +0100, Per Jessen wrote:
>> I'm using JFS which has timestamps with 1ns resolution.
> 
> In that case I guess you're going to have to bite the bullet and run
> with debugging on, then slog through the output :-/.  I can't think of
> any reason this might be happening, and I've certainly run massively
> parallel builds with no missed targets like that.  In fact I used to
> have a tester who regularly ran parallel builds on a 64-way SPARC
> system.
> 
> So it seems there's something odd about your environment or makefiles
> that I haven't seen before.

The one thing that seems to make a differnce is whether I run it under
cron or not.  Running a parallel build from a terminal works fine. 

Eli has already taken a look at some of the debug output (see previous
posts), and noticed that 'all' is being made up to 8 times, which seems
to defy any reasonable explanation. 


/Per Jessen, Z├╝rich





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