[Dune] Grid compile error

[Christian Engwer]

Dear Marco,

"Agnese, Marco" <m.agnese13 at imperial.ac.uk> schrieb:
>Hello DUNEers,
>I am getting mad trying to understand this problem. 
>
>If I try to compile this test code 
>
>#define GRIDDIM 2
>#define WORLDDIM 2
>
>#include <config.h>
>#include <dune/grid/albertagrid.hh>
>
>int main(int argc,char **argv){
>
>   #if defined HAVE_ALBERTA

You are getting for a defined variable. The convention is that Alberta is not available if HAVE_ALBERTA evaluates to false. This is the case if it is defined to 0, undefined or defined to something which is not an integer. This means you have to change test to

#if HAVE_ALBERTA

This will then (presumably) evaluate to false, because ( I guess) you didn't add the Alberta flags in your Makefile.am

Ciao Christian

>    typedef Dune::AlbertaGrid<GRIDDIM,WORLDDIM> GridType;
>   #endif
>
>    return 0;
>}
>
>I obtain the following error:
>error: ‘AlbertaGrid’ in namespace ‘Dune’ does not name a type
>     typedef Dune::AlbertaGrid<GRIDDIM,WORLDDIM> GridType;
>
>I have already try many different things but nothing worked. Any idea
>is well accepted:)
>Thank you very much,
>
>Marco Agnese
>
>
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