CGAL users discussion list

[Philipp Moeller <>]

nmitchell 
<>
 writes:

> Hello, 
>
> Trying to diagnosis a strange error I've been getting. I've been
> attempting to add some functionality to the CGAL python bindings, but
> CGAL_ImageIO.so is giving me trouble.      Any time I attempt to execute
> anything that is linked against it, I get the following error:
>
> [nmitchel@cauchy] (796)$  ./a.out 
> ./a.out: symbol lookup error: /scratch/SOFTWARE/lib/libCGAL_ImageIO.so.9: 
> undefined symbol:
>
> I've tried with both CGAL 4.1 and 4.0.2, exact same results. It leads
> me to suspect that I may have something wrong with my system, but I
> can't for the life of me determine what is causing the undefined
> symbol message, especially which symbol it is complaining about. If I
> knew, I probably could fix it.
>
> For reference, here is the test program
> 
> int main(int argc, char** argv)
> {
> 
>       return 0;
> }
>
> and the compile command I used.
>
> g++ test.cpp -L/scratch/SOFTWARE/lib -lCGAL_ImageIO

Somehow the formatted parts of your message got lost and are only
visible on nabble. I added them in my reply.

I cannot reproduce this with either the ImageIO built by myself or the
one built by my distribution package. How do you compile CGAL?