[gecode-users] compiling a new propagator‏

[Guido Tack]

One possible problem could be that you declare a non-template  
propagator.  In that case, you may have to export all functions that  
must be publicly available using the GECODE_INT_EXPORT macro.   
Alternatively, you can try running configure with the --disable-gcc- 
visibility option in order to switch on automatic export of all  
functions.
Another option is to put your propagator not inside Gecode, but into  
your own code (e.g. directly into the example.cpp file).  That's  
better practice anyway, as otherwise you'll end up patching your  
propagator into Gecode with every version we release.

Anyway, you should verify with the nm and c++filt commands whether the  
symbols actually end up in the generated .o and/or .so files.

Cheers,
	Guido

amina kemmar wrote:

> hi,
>
> I still have the same error message when calling the new propagator  
> that I added to the gecode/int package!
>
> if you can give me the steps to compile a new propagator and how to  
> use it under gecode?
>
> thanks,
>
> amina.
>
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