[gmx-users] How to compile C++ propgram with xdrfile library?

[Jussi Lehtola]

On Sun, 2009-05-17 at 10:56 -0700, Semen Esilevsky wrote:
> Ok, I have found the bug.
> In file xdrfile_xtc.h conditional directives should be "#ifdef __cplusplus", not "#ifdef CPLUSPLUS" !

<clip>

> After that I have functional text program. 
> Now, I tried to make a test with C++ with this simplest program:
> 
> 
> #include "xdrfile.h"
> #include "xdrfile_xtc.h"
> int main(){
> XDRFILE* xd = xdrfile_open("a.xtc","r");
> int n;
> read_xtc_natoms("a.xtc",&n);
> }


That, or you can just use

extern C {
#include "xdrfile.h"
#include "xdrfile_xtc.h"
}

int main()
and so on

The same thing also works for gromacs header files.
-- 
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Jussi Lehtola, FM, Tohtorikoulutettava
Fysiikan laitos, Helsingin Yliopisto
jussi.lehtola at helsinki.fi, p. 191 50632
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Mr. Jussi Lehtola, M. Sc., Doctoral Student
Department of Physics, University of Helsinki, Finland
jussi.lehtola at helsinki.fi
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