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

[Per Jessen]

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 consider targets that depend on it to be out-of-date.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, Zürich