CGAL users discussion list

["Sebastien Loriot (GeometryFactory)" <>]

Hey,

I wonder if you have several versions of CGAL installed. The error
message you give does not correspond to the header in CGAL 5.5.

Best,

Sebastien.

On 8/22/22 9:05 AM, "wwz2015" ( via cgal-discuss 
Mailing List) wrote:
> Hi, I used the cgal code in linux. In the cmake configuration, it's ok. 
> When I make my own project the error jumped like this:
> include/CGAL/boost/graph/helpers.h: In function ‘bool 
> CGAL::is_border(typename 
> boost::graph_traits<Graph>::halfedge_descriptor, const FaceGraph&)’:
> /home/wangwenzhi/cgal/cgal-2-install/lib/cmake/CGAL/../../../include/CGAL/boost/graph/helpers.h:35:14: 
> error: expected primary-expression before ‘(’ token
>    return face(hd,g) == boost::graph_traits<FaceGraph>::null_face();
>
> include/CGAL/boost/graph/helpers.h: In function ‘bool 
> CGAL::is_valid_halfedge_descriptor(typename 
> boost::graph_traits<Graph>::halfedge_descriptor, const FaceGraph&)’:
> /home/wangwenzhi/cgal/cgal-2-install/lib/cmake/CGAL/../../../include/CGAL/boost/graph/helpers.h:290:27: 
> error: expected primary-expression before ‘(’ token
>    face_descriptor f = face(h,g);
>
> include/CGAL/boost/graph/helpers.h:293:12: error: expected 
> primary-expression before ‘(’ token
>      if(face(h,g) != f){
>
> include/CGAL/boost/graph/helpers.h: In function ‘bool 
> CGAL::is_valid_face_descriptor(typename 
> boost::graph_traits<Graph>::face_descriptor, const FaceGraph&)’:
> /home/wangwenzhi/cgal/cgal-2-install/lib/cmake/CGAL/../../../include/CGAL/boost/graph/helpers.h:332:10: 
> error: expected primary-expression before ‘(’ token
>    if(face(h,g) != f){
>
> include/CGAL/boost/graph/helpers.h: In function ‘bool 
> CGAL::is_valid_halfedge_graph(const Graph&, bool)’:
> /home/wangwenzhi/cgal/cgal-2-install/lib/cmake/CGAL/../../../include/CGAL/boost/graph/helpers.h:392:27: 
> error: expected primary-expression before ‘(’ token
>      valid = (halfedge(edge(begin, g), g) == begin);
>
> include/CGAL/boost/graph/helpers.h:621:18: error: expected 
> primary-expression before ‘(’ token
>      valid = (face(i, g) == face(next(i, g), g));
>
> include/CGAL/boost/graph/helpers.h:680:18: error: expected 
> primary-expression before ‘(’ token
>      valid = (face(i, g) != face(opposite(i, g), g));
>
> include/CGAL/boost/graph/Euler_operations.h:299:20: error: expected 
> primary-expression before ‘(’ token
>    set_halfedge(face(hnew,g), hnew, g);
>
> when I added the #include <CGAL/boost/graph/Dual.h> in the file 
> CGAL/boost/graph/Euler_operations.h and the file 
> CGAL/boost/graph/internal/helpers.h
> only one kind of error like this 
> "include/CGAL/boost/graph/Dual.h:108:17: error: 
> ‘Edge_around_face_iterator’ in namespace ‘CGAL’ does not name a template 
> type
>    typedef CGAL::Edge_around_face_iterator<Primal>      out_edge_iterator;
> include/CGAL/boost/graph/Dual.h:109:17: error: 
> ‘Opposite_edge_around_face_iterator’ in namespace ‘CGAL’ does not name a 
> template type
>    typedef CGAL::Opposite_edge_around_face_iterator<Primal> 
> in_edge_iterator;" occured. I am confused about the error like this. I 
> found the iterator.h was included in the file Dual.h.
> And I really don't know why.
>
> It seemed some header not found, but when i tried to fix it, i found the 
> including relationship very complicted. Could you give me some advices 
> on how to fix the make error?
> By the way, I used the CGAL version was 5.5, and I also tried the 
> installed library from the newest source code in Github.The error 
> remained the same. GMP-6.2.1, mpfr-4.1.0. GMP and mpfr used the source 
> code to compile the libraries. Boost version was 1.80.
> Best
> wwz
>
>
> -------------------
> 王文智
> 联系方式：17310141896
> 联系地址：北京经济开发区大族广场T3-901
>
>
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