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Re: [ESPResSo] Question about compilation

From: Axel Arnold
Subject: Re: [ESPResSo] Question about compilation
Date: Mon, 17 Aug 2009 09:59:18 +0200
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On Saturday 15 August 2009 14:01, Ahmad A. J. Agung wrote:
> Hi,
> FMIIW, I think the file $built_directory/config/myconfig.h is just a simply
> copied file from $source_directory/config/, containing
> the default feature of Espresso. You may prove it by modify the content of
> file $source_directory/config/ with ANYTHING you want
> (copy the original file to another file name), then compile Espresso with
> your own "myconfig.h" in $built_directory.
> To see whether your modification of
> $source_directory/config/ will affect the simulation
> result, you can compare the simulation result before and after you do this
> modification. I think the result will be same as long you use the same
> "myconfig.h" file in $built_directory.


The myconfig.h in the config subdirectory is the fallback in case you do not 
have your own myconfig.h in the source or build directory. This fallback file 
will be overwritten everytime you reconfigure Espresso, so don't do any 
modifications to config/myconfig.h.

To know what has been compiled into your Espresso, simply use the 
command "code_info", or "puts [code_info]" in a script, which will output all 
the flags that were enabled in myconfig.h. In your case, there should appear 


Dr. Axel Arnold 
Fraunhofer SCAI
Schloss Birlinghoven, 53754 Sankt Augustin, Germany
Tel: +49 2241 14 2575

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