CGAL users discussion list

[Menelaos Karavelas <>]

We essentially did that with Dror, and we get the error messages listed in 
his email (see the end).

So for me the question is why we get these errors....

- m.

On 20 Jun 2012, at 17:55, Sebastien Loriot (GeometryFactory) wrote:

> Try:
> 
> "cmake -DEIGEN3_INCLUDE_DIR=/Users/drorata/Library/eigen3.1.0-rc1 ."
> 
> There should be no need to do something else for the demo.
> 
> This was documented on that page:
> 
> http://www.cgal.org/Manual/latest/doc_html/installation_manual/Chapter_installation_manual.html#Subsection_10.4
> 
> Sebastien.
> 
> On 06/20/2012 04:19 PM, 
> 
>  wrote:
>> I have installed *CGAL 4.0* on a Mac OS 10.6 using *macports*. As a test
>> case, I tried to compile the example given in /Triangulation_2/, using the
>> standard procedure:
>> - cgal_create_cmake_script
>> - cmake .
>> - make
>> 
>> This worked like a charm and suggests, if I understand it correctly, that
>> CGAL's installation is OK.
>> 
>> Next, I wanted to compile and consider the example
>> /Surface_reconstruction_points_3/. Here things got messy. I'll try to
>> describe the steps I took (some of them with the great help of Menelaos
>> Karavelas and Michael Hemmer. Thank you Menelaos and MIchael) in order to
>> resolve the issue.
>> 
>> The version of Eigen shipped with the CGAL installation through macports is
>> old, and thus I downloaded manually the latest version of eigen 
>> (3.1.0-rc1).
>> In addition, I added the following line to the CMakeLists.txt:
>> 
>>     include_directories (BEFORE "~/Library/eigen3.1.0-rc1/")
>> where ~/Library/eigen3.1.0-rc1/ is where the file
>> "signature_of_eigen3_matrix_library" is located.
>> This should make sure that eigen will be looked for in the right location.
>> 
>> Then I added
>> 
>>     #define CGAL_EIGEN3_ENABLED
>> 
>> to the example "poisson_reconstruction_example.cpp". Finally, I ran:
>> - cmake .
>> - make poisson_reconstruction_example
>> 
>> Then I got the following compilation error:
>> 
>> ---Compilation Error Cite---
>> /Users/drorata/Library/eigen3.1.0-rc1/Eigen/src/Core/util/Meta.h: In copy
>> constructor
>> ‘Eigen::IterativeSolverBase<Eigen::ConjugateGradient<Eigen::SparseMatrix<double,
>> 0, int>, 1, Eigen::DiagonalPreconditioner<double>  >
>>> ::IterativeSolverBase(const
>> Eigen::IterativeSolverBase<Eigen::ConjugateGradient<Eigen::SparseMatrix<double,
>> 0, int>, 1, Eigen::DiagonalPreconditioner<double>  >  >&)’:
>> /Users/drorata/Library/eigen3.1.0-rc1/Eigen/src/IterativeLinearSolvers/
>> IterativeSolverBase.h:37:   instantiated from ‘bool
>> CGAL::Poisson_reconstruction_function<Gt>::compute_implicit_function() 
>> [with
>> Gt = CGAL::Epick]’
>> /Users/drorata/Documents/academics/programing/CGAL/
>> Surface_reconstruction_points_3_CGAL_4/poisson_reconstruction_example.cpp:65:
>> instantiated from here
>> /Users/drorata/Library/eigen3.1.0-rc1/Eigen/src/Core/util/Meta.h:113: 
>> error:
>> ‘Eigen::internal::noncopyable::noncopyable(const
>> Eigen::internal::noncopyable&)’ is private
>> /Users/drorata/Library/eigen3.1.0-rc1/Eigen/src/IterativeLinearSolvers/
>> IterativeSolverBase.h:37: error: within this context
>> /Users/drorata/Library/eigen3.1.0-rc1/Eigen/src/IterativeLinearSolvers/
>> ConjugateGradient.h: In copy constructor
>> ‘Eigen::ConjugateGradient<Eigen::SparseMatrix<double, 0, int>, 1,
>> Eigen::DiagonalPreconditioner<double>  >::ConjugateGradient(const
>> Eigen::ConjugateGradient<Eigen::SparseMatrix<double, 0, int>, 1,
>> Eigen::DiagonalPreconditioner<double>  >&)’:
>> /Users/drorata/Library/eigen3.1.0-rc1/Eigen/src/IterativeLinearSolvers/
>> ConjugateGradient.h:160:   instantiated from ‘bool
>> CGAL::Poisson_reconstruction_function<Gt>::compute_implicit_function() 
>> [with
>> Gt = CGAL::Epick]’
>> /Users/drorata/Documents/academics/programing/CGAL/
>> Surface_reconstruction_points_3_CGAL_4/poisson_reconstruction_example.cpp:65:
>> instantiated from here
>> /Users/drorata/Library/eigen3.1.0-rc1/Eigen/src/IterativeLinearSolvers/
>> ConjugateGradient.h:160: note: synthesized method
>> ‘Eigen::IterativeSolverBase<Eigen::ConjugateGradient<Eigen::SparseMatrix<double,
>> 0, int>, 1, Eigen::DiagonalPreconditioner<double>  >
>>> ::IterativeSolverBase(const
>> Eigen::IterativeSolverBase<Eigen::ConjugateGradient<Eigen::SparseMatrix<double,
>> 0, int>, 1, Eigen::DiagonalPreconditioner<double>  >  >&)’ first required 
>> here
>> /opt/local/include/CGAL/Eigen_solver_traits.h: In copy constructor
>> ‘CGAL::Eigen_solver_traits<Eigen::ConjugateGradient<Eigen::SparseMatrix<double,
>> 0, int>, 1, Eigen::DiagonalPreconditioner<double>  >
>>> ::Eigen_solver_traits(const
>> CGAL::Eigen_solver_traits<Eigen::ConjugateGradient<Eigen::SparseMatrix<double,
>> 0, int>, 1, Eigen::DiagonalPreconditioner<double>  >  >&)’:
>> /opt/local/include/CGAL/Eigen_solver_traits.h:58:   instantiated from ‘bool
>> CGAL::Poisson_reconstruction_function<Gt>::compute_implicit_function() 
>> [with
>> Gt = CGAL::Epick]’
>> /Users/drorata/Documents/academics/programing/CGAL/
>> Surface_reconstruction_points_3_CGAL_4/poisson_reconstruction_example.cpp:65:
>> instantiated from here
>> /opt/local/include/CGAL/Eigen_solver_traits.h:58: note: synthesized method
>> ‘Eigen::ConjugateGradient<Eigen::SparseMatrix<double, 0, int>, 1,
>> Eigen::DiagonalPreconditioner<double>  >::ConjugateGradient(const
>> Eigen::ConjugateGradient<Eigen::SparseMatrix<double, 0, int>, 1,
>> Eigen::DiagonalPreconditioner<double>  >&)’ first required here
>> /opt/local/include/CGAL/Poisson_reconstruction_function.h: In member 
>> function
>> ‘bool 
>> CGAL::Poisson_reconstruction_function<Gt>::compute_implicit_function()
>> [with Gt = CGAL::Epick]’:
>> /opt/local/include/CGAL/Poisson_reconstruction_function.h:264: note:
>> synthesized method
>> ‘CGAL::Eigen_solver_traits<Eigen::ConjugateGradient<Eigen::SparseMatrix<double,
>> 0, int>, 1, Eigen::DiagonalPreconditioner<double>  >
>>> ::Eigen_solver_traits(const
>> CGAL::Eigen_solver_traits<Eigen::ConjugateGradient<Eigen::SparseMatrix<double,
>> 0, int>, 1, Eigen::DiagonalPreconditioner<double>  >  >&)’ first required 
>> here
>> make[3]: *** [CMakeFiles/poisson_reconstruction_example.dir/
>> poisson_reconstruction_example.cpp.o] Error 1
>> make[2]: *** [CMakeFiles/poisson_reconstruction_example.dir/all] Error 2
>> make[1]: *** [CMakeFiles/poisson_reconstruction_example.dir/rule] Error 2
>> make: *** [poisson_reconstruction_example] Error 2
>> ---Compilation Error END---
>> 
>> I am unable to find what the problem is? Seems like it is either a problem 
>> in
>> EIGEN, or the way it is being using in CGAL/this specific example.
>> 
>> If further details regarding my setting etc. is needed please let me know.
>> 
>> Thanks in advance!
>> Dror Atariah
>> 
>> PS: I'm in Chapel Hill till tomorrow, so if you're around I'm available to
>> have a look at the problem together.
>> 
> 
> 
> -- 
> You are currently subscribed to cgal-discuss.
> To unsubscribe or access the archives, go to
> https://lists-sop.inria.fr/wws/info/cgal-discuss
>