CGAL users discussion list

[Andreas Fabri <>]

Can you please post a self contained cpp file
either as an attachment or on https://gist.github.com/

andreas

On 12/5/2017 1:20 PM, Iasonm wrote:
> When I build CGAL using the github repository (using the sequence of commands
> cd cgal->cmake . ->make -> sudo make install) I get the following error when
> trying to use a function from CGAL/Polygon_mesh_processing/measure.h (I am
> using area and volume):
>
> /usr/local/include/CGAL/Polygon_mesh_processing/measure.h: In instantiation
> of ‘typename CGAL::GetGeomTraits<TriangleMesh,
> CGAL::pmp_bgl_named_params&lt;T, Tag, Base> >::type::
> FT CGAL::Polygon_mesh_processing::volume(const TriangleMesh&, const
> CGAL::pmp_bgl_named_params<T, Tag, Base>&) [with TriangleMesh =
> CGAL::Surface_mesh<CGAL::Point_3&lt;CGAL::Si
> mple_cartesian&lt;double> > >; T = bool; Tag =
> CGAL::internal_np::all_default_t; Base = boost::no_property; typename
> CGAL::GetGeomTraits<TriangleMesh, CGAL::pmp_bgl_named_param
> s&lt;T, Tag, Base> >::type::FT = double]’:
> /usr/local/include/CGAL/Polygon_mesh_processing/measure.h:533:18:   required
> from ‘typename CGAL::Kernel_traits<typename
> CGAL::property_map_value<PolygonMesh, boost::vertex_
> point_t>::type>::Kernel::FT CGAL::Polygon_mesh_processing::volume(const
> TriangleMesh&) [with TriangleMesh =
> CGAL::Surface_mesh<CGAL::Point_3&lt;CGAL::Simple_cartesian&lt;double> >
>   >; typename CGAL::Kernel_traits<typename
> CGAL::property_map_value<PolygonMesh,
> boost::vertex_point_t>::type>::Kernel::FT = double]’
> ../meshcontractor.cpp:50:62:   required from here aka
> CGAL::Polygon_mesh_processing::volume(m_M);
> */usr/local/include/CGAL/Polygon_mesh_processing/measure.h:522:10: error:
> ‘exact’ was not declared in this scope
>       exact(volume);*
>
> I have tried different kernels but that did not help.
> Unfortunately Ubuntu's distribution package is pretty old namely 4.7 and
> thats why I need the source build.
> Any ideas what might causing this?
>
>
>
> --
> Sent from: http://cgal-discuss.949826.n4.nabble.com/

--
Andreas Fabri, PhD
Chief Officer, GeometryFactory
Editor, The CGAL Project

phone: +33.492.954.912    skype: andreas.fabri