CGAL users discussion list

[Andoni Beristain <>]

Thank you. I have reordered the include statatements so the CGAL ones come 
first and the problem is fixed.


--- El vie, 21/11/08, Sylvain Pion 
<>
 escribió:

> De: Sylvain Pion 
> <>
> Asunto: Re: [cgal-discuss] Problem using CGAL with OpenCV under Windows and
> Para: 
> 
> Fecha: viernes, 21 noviembre, 2008 4:27
> 
>  wrote:
> > Good afternoon,
> > 
> > I am trying the CGAL libraries to compute the
> Medial-Axis of a contour. I get
> > that contour using OpenCV, and I have to use OpenCV.
> This is part of my tesis
> > research work so I am really interested in completing
> my tests as soon as
> > possible.
> > 
> > Unfortunately, I think that there is some kind of
> incompatibility between
> > OpenCV and CGAL and I can not figure out how to solve
> it.
> > 
> > All the errors are related to the Assertions.h file:
> > 
> > Example:
> > \include\cgal\assertions.h(34) : error
> C2143: syntax error : missing '}' before
> > 'goto'
> 
> This line is:
> 
> enum Failure_behaviour { ABORT, EXIT, EXIT_WITH_SUCCESS,
> CONTINUE,
>                         THROW_EXCEPTION };
> 
> What most probably happens is that OpenCV (or other
> software you use), defines
> one of these names as a macro, which clashes with
> CGAL's enum.
> 
> One probable fix is to include CGAL's header first,
> before the other problematic
> headers that defines the macro in question.
> (and maybe suggest that OpenCV does not define macros with
> such general names:
> good practice for libraries is to have macros with prefixes
> to avoid clashes)
> 
> -- Sylvain Pion
> INRIA Sophia-Antipolis
> Geometrica Project-Team
> CGAL, http://cgal.org/