CGAL users discussion list

[Anthony Webber <>]

That doesn't seem to work. :(. Same error.

I am using CGAL 5.2.1 and Eigen 3.4.99.


On 19/04/2021 10:23, Sebastien Loriot ( via 
cgal-discuss Mailing List) wrote:
> Most probably, the example your are using does not match with the
> release of CGAL you are using.
>
> You can rename CGAL_Eigen3_support to CGAL_Eigen_support in the 
> CMakeLists.txt and it should work.
>
>
> The change was introduced by this PR:
> https://github.com/CGAL/cgal/pull/5360
>
> only merged in the master branch targeting CGAL 5.3
>
>
> Best,
>
> Sebastien.
>
> On 4/19/21 11:18 AM, Anthony Webber wrote:
> > Please excuse my naivety.
> >
> > I am attempting to build the Poisson_surface_reconstruction_3 
> > example. Below is the cmake output. Could you tell me what I need to do?
> >
> > cmake -DCMAKE_BUILD_TYPE=Release .
> > -- The C compiler identification is GNU 9.3.0
> > -- The CXX compiler identification is GNU 9.3.0
> > -- Check for working C compiler: /usr/bin/cc
> > -- Check for working C compiler: /usr/bin/cc -- works
> > -- Detecting C compiler ABI info
> > -- Detecting C compiler ABI info - done
> > -- Detecting C compile features
> > -- Detecting C compile features - done
> > -- Check for working CXX compiler: /usr/bin/c++
> > -- Check for working CXX compiler: /usr/bin/c++ -- works
> > -- Detecting CXX compiler ABI info
> > -- Detecting CXX compiler ABI info - done
> > -- Detecting CXX compile features
> > -- Detecting CXX compile features - done
> > -- Using header-only CGAL
> > -- Targetting Unix Makefiles
> > -- Using /usr/bin/c++ compiler.
> > -- Found GMP: /usr/local/lib/libgmp.so
> > -- Found MPFR: /usr/lib/x86_64-linux-gnu/libmpfr.so
> > -- Found Boost: 
> > /usr/lib/x86_64-linux-gnu/cmake/Boost-1.71.0/BoostConfig.cmake (found 
> > suitable version "1.71.0", minimum required is "1.48")
> > -- Boost include dirs: /usr/include
> > -- Boost libraries:
> > -- Using gcc version 4 or later. Adding -frounding-math
> > -- Found Eigen3: /usr/local/include/eigen3 (found suitable version 
> > "3.4.99", minimum required is "3.1.0")
> > CMake Error at CMakeLists.txt:34 (include):
> >    include could not find load file:
> >
> >      CGAL_Eigen3_support
> >
> >
> > -- NOTICE: The examples need Eigen 3.1 (or greater) will not be 
> > compiled.
> > -- Configuring incomplete, errors occurred!