CGAL users discussion list

["Sebastien Loriot (GeometryFactory)" <>]

On 07/06/2016 02:28 PM, Kelvin_Piroddi wrote:
> Hi
>
> I am trying to use the compute_implicit_function() when running the surface
> reconstruction example.
>
> I did not build CGAL with Eigen in Cmake because I thought due to the fact
> that Eigen is an already pre-compiled library.
> I just add the file directory in my .pro:
>
> INCLUDEPATH += C:/eigen/eigen
>
> This is the directory that contains the "signature_of_eigen3_matrix_library"
> file.
>
> I then added:
>
> #define CGAL_EIGEN3_ENABLED
>
> to the top of my main.cpp file
>
> when i compile i get the following error:
>
> fatal error LNK1120: 24 unresolved externals
>
> I'm not sure if i can use Eigen in CGAL without building CGAL in CMAKE and
> including Eigen?

There is no need to build CGAL with Eigen, the CGAL library is actually
quite empty. Did you link with the CGAL library, Gmp and Mpfr?

Sebastien.

> Thank you
> Kelvin
>
>
>
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