help-make
[Top][All Lists]
Advanced

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

Re: running parallel make jobs and avoiding jumbled/garbled output?


From: Per Jessen
Subject: Re: running parallel make jobs and avoiding jumbled/garbled output?
Date: Tue, 04 Mar 2008 15:29:22 +0100
User-agent: KNode/0.10.4

Paul Smith wrote:

> On Tue, 2008-03-04 at 08:50 +0100, Per Jessen wrote:
>> Didn't solve the problem though - when run in parallel, a lot of the
>> jobs are still not run.
> 
> There's one other possibility.  GNU make bases its rebuild decisions
> entirely on timestamps.  Some filesystems (network filesystems like
> NFS in particular, but some local ones as well) do not support
> sub-second timestamps.  If your "build" operations are fast enough
> that GNU make doesn't think the target was updated, based on its
> timestamps, then it won't consider the target remade and it won't
> consider targets that depend on it to be out-of-date.

I'm using JFS which has timestamps with 1ns resolution. 


/Per Jessen, Z├╝rich





reply via email to

[Prev in Thread] Current Thread [Next in Thread]