[CP2K:8101] Developers: fast build, without recompiling dependencies?

hut... at chem.uzh.ch hut... at chem.uzh.ch
Fri Aug 26 09:55:44 CEST 2016


Hi Rustam

this works for me rather reliably. Most of the time I have only
minimal rebuilds.
I am using the standard makefile and gfortran 5.3

regards

Juerg
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Juerg Hutter                         Phone : ++41 44 635 4491
Institut für Chemie C                FAX   : ++41 44 635 6838
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-----cp... at googlegroups.com wrote: -----To: cp2k <cp... at googlegroups.com>
From: Rustam 
Sent by: cp... at googlegroups.com
Date: 08/25/2016 06:41PM
Subject: Re: [CP2K:8101] Developers: fast build, without recompiling dependencies?

Hi Jörg,
Yes, it is possible to manually recompile individual files and re-link. But I would like to do as little manual work as possible. Ideally, I would just call make and specify a make target (e.g. nodepend) to ignore dependencies. 
I know that most makefiles are written with this option in mind (e.g. fast or fastbuild). Is there any way to do this in CP2K?
Cheers,Rustam

On Thursday, August 25, 2016 at 9:49:49 AM UTC-4, sassy wrote:Hi Rustam,



can you not go into the sub-directory and do a make there and then just re-

link? I would have thought that is possible. 

If you have modified only a few files it might be even quicker to manually 

execute the building command and then re-link.



Not sure whether that works with cp2k as well as I have not tried it but other 

code certainly has that feature.



All the best from London



Jörg



On Thursday 25 Aug 2016 06:44:34 Rustam wrote:

> CP2K developers,

> 

> Is the any way to build exe without recompiling ALL dependencies?

> 

> A couple of years ago the standard make target did not recompile all

> dependencies. As a result minor code modifications recompiled fast. Now,

> make carefully creates a list of all dependencies and recompiles all of

> them. Nice safety feature but recompiling minor local changes seems to take

> forever, debugging becomes a major pain.

> 

> Is there any make TARGET that can build exe by recompiling only the

> modified files and their corresponding libraries?

> 

> Thanks,

> Rustam





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Dr. Jörg Saßmannshausen, MRSC

University College London

Department of Chemistry

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web: http://sassy.formativ.net



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