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Re: Improvement on parallel make

From: Paul Smith
Subject: Re: Improvement on parallel make
Date: Tue, 12 Dec 2006 08:55:28 -0500

On Tue, 2006-12-12 at 13:08 +0000, Brendan Heading wrote:

> > Dotting the i's: the problem I was originally trying to solve 
> > with .WAIT was concurrent access to an archive file. Thus, I'd be 
> > happy to see any of the serialization means: .MUTEX, .WAIT - 
> > whatever. I just chose .WAIT because:
> IMHO it is still better to make the archive dependent on the object files 
> and regenerate it en-masse after all the objects have been built as 
> required.

There's one major disadvantage to this model: the .o's can no longer be
considered intermediate files.  That means they cannot be removed after
being added to the archive.

Although disk is a lot cheaper I have had people within the last year or
so reject the "recreate the archive from scratch" method precisely
because they (said they) couldn't afford the hit on disk space.

 Paul D. Smith <address@hidden>          Find some GNU make tips at:            
 "Please remain calm...I may be mad, but I am a professional." --Mad Scientist

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