[MITgcm-support] obcs in CPP_OPTIONS.h?

[Patrick Heimbach]

HI there,

since "obcs" is a package, it is enabled in
code/packages.conf
rather than in
code/CPP_OPTIONS.h
(see e.g. manual, section 6.1.1 Package Inclusion/Exclusion)
http://mitgcm.org/r2_manual/latest/online_documents/node226.html

In order to avoid confusion,
this practice is "enforced" by having genmake2 stop if it finds
such a #define in a CPP file.

You can verify this by checking the contents of
verification/plume_on_slope/code/
(which, by the way, in newer versions of the code has changed into
verification/tutorial_plume_on_slope/
and is documented in section 3.16.3
http://mitgcm.org/r2_manual/latest/online_documents/node152.html
and as I am typing and double-checking this, I see
that the manual has the wrong instructions, since it wrongly says
"Open boundaries are enabled with #define ALLOW_OBCS in code/ 
CPP_OPTIONS.h").
Our apologies...

-Patrick



On May 27, 2008, at 10:10 AM, Renske Gelderloos wrote:

> Hi,
>
> I've got a question about open boundary conditions. In the tutorial  
> (3.14.3) it says that you should add
>
> #define ALLOW_OBCS
>
> in code/CPP_OPTIONS.h. However, if I do so I cannot compile anymore  
> and get the following error (in genmake2):
>
> Searching for *OPTIONS.h files  in order to warn about the presence  
> of "#define "-type statements that are no longer allowed:
> found CPP_OPTIONS="../code//CPP_OPTIONS.h"
> Error: In ../code//CPP_OPTIONS.h there is an illegal line: #define  
> ALLOW_OBCS
>
> Furthermore, in the CPP_OPTIONS.h in verification/plume_on_slope/ 
> code I cannot find this switch. Has it changed in any way? Or am I  
> missing something else? Thanks for any advice!
>
> Renske
>
>
>
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---
Patrick Heimbach | heimbach at mit.edu | http://www.mit.edu/~heimbach
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