CGAL users discussion list

[Joachim Reichel <>]

Hi,

> I am trying to compile the Polyhedron demo, but after running cmake I
> get this messages:
> 
> -- A library with LAPACK API not found. Please specify library location.
> -- TAUCS requires LAPACK and BLAS.
> -- NOTICE: This demo requires QGLViewer, and will not be compiled.
> -- Configuring done
> -- Generating done
> -- Build files have been written to: /home/ale/src/mesh/cgal/demo/Polyhedron
> 
> But I have QGLViewer, in fact two versions of it (for qt3 and qt4),
> dpkg -l |grep libqglviewer
> 
> libqglviewer-qt3-2                2.3.1-3
> libqglviewer-qt3-dev          2.3.1-3
> libqglviewer-qt4-2             2.3.1-3
> libqglviewer-qt4-dev          2.3.1-3
> 
> Any hint?

First of all, you also need LAPACK / BLAS. You can simply install
liblapack-dev and libatlas-base-dev (listed as Suggests: dependency of
libcgal-demo).

Then you need TAUCS, which is unfortunately not available as Debian package.

I don't know why QGLViewer isn't found.

Joachim