CGAL users discussion list

[Eric Berberich <>]

Martin Baeker wrote:
> Dear all,
>
> I have a program library based on CGAL3.3. It consists of several
> C++-Classes, each with its own .hpp and .cpp-file. 
>
> I am at a loss on how to achieve the same thing with newer versions of
> CGAL that use cmake. The cgal_create_cmake_script is not sufficient because
> I need to link to the library from my classes together when building
> an executable. OTOH, I need correct compilation with all CGAL-stuff as
> well.
>
> Here is a very simple example (not meaningfulin itself) of what I want to do:
>
> File Pointclass.H
>
> #include <CGAL/Gmpq.h>
> #include <CGAL/Cartesian.h>
>
> typedef CGAL::Cartesian<CGAL::Gmpq>   Kernel;
> typedef Kernel::Point_3    Point;
>
> class Mypoint: public Point
> {
> public:
>   int index;
>   Mypoint(int in);
> };
>
> File Pointclass.C
>
> #include "Pointclass.H"
>
> Mypoint::Mypoint(int in)
> {
>   index = in;
> }
>
> File main.C
>
> #include "Pointclass.H"
>
> int main()
> {
>   Mypoint p(1);
>   std::cout << p.index << std::endl;
>   return 0;
>   
> }
>
>
> So how do I set up cmake so that main can be linked to Pointclass and
> that the dependence of the two is known?
>
> I suppose there is a simple way how to do this, but I'm not able to
> find it...
>
> Thanks for any help,


if you switch to CGAL-3.4 (or better upcoming 3.6) there is

cgal_create_cmake_script located in scripts subdir that does the job for 
you, i.e., write a proper CMakeLists.txt file.

eriC

> Martin.
>
>                    Priv.-Doz. Dr. Martin Bäker
>                    Institut für Werkstoffe
>                    Technische Universität Braunschweig
>                    Langer Kamp 8
>                    38106 Braunschweig
>                    Germany
>                    Tel.: 00-49-531-391-3073
>                    Fax   00-49-531-391-3058
>                    e-mail 
> <>