Re: [AMBER-Developers] Possible parallel Makefile bug pertaining to sander.LES target

From: Gustavo Seabra <>
Date: Sat, 24 Jan 2009 12:12:04 -0500

On Sat, Jan 24, 2009 at 9:25 AM, David A. Case <> wrote:
> On Fri, Jan 23, 2009, Mark Williamson wrote:
>> Recently, whilst building the AMBER CVS tree using parallel make
>> -j{~16}, I've been noticing the build process dying somewhere in the
>> sander directory. This fail point not always the same. However I think
>> I've traced this down to make's preprocessing of the sander.LES's
>> target; since it is now running in parallel (and hence sometimes out of
>> sequence), it has the ability to overwrite some preprocessed files
>> needed by the sander target.
>> What do you think of this approach? Will this break something that I may
>> have overlooked?
> Don't you need to do something similar for PUPIL files?

In principle, yes. But PUPIL is not compiled by default, so it may not
be a problem. Also, all files modified in PUPIL already get a
<filename>.PUPIL.o name in the object file.


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Received on Sun Jan 25 2009 - 01:22:30 PST
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