Re: Building fem-fenics on Ubuntu

[Daniel Kraft]

Hi!

On 2014-02-26 10:01, Marco Vassallo wrote:
>     mkoctfile -I/usr/include/eigen3 -I/usr/lib/openmpi/include
>     -I/usr/lib/openmpi/include/openmpi -pthread -c plot_mesh.cc  -o
>     plot_mesh.o -I.
>     In file included from plot_mesh.cc:20:0:
>     Plot_2d.h:68:24: error: conflicting return type specified for ‘virtual
>     unsigned int plot_2d_finite_element_0::topological_dimension() const’
>     In file included from /usr/include/dolfin/ale/MeshDisplacement.h:25:0,
>                      from /usr/include/dolfin/mesh/Mesh.h:40,
>                      from /usr/include/dolfin/mesh/dolfin_mesh.h:11,
>                      from /usr/include/dolfin.h:11,
>                      from function.h:23,
>                      from plot_mesh.cc:18:
>     /usr/include/ufc.h:127:25: error:   overriding ‘virtual std::size_t
>     ufc::finite_element::topological_dimension() const’
>     In file included from plot_mesh.cc:20:0:
>     Plot_2d.h:74:24: error: conflicting return type specified for ‘virtual
>     unsigned int plot_2d_finite_element_0::geometric_dimension() const’
>     In file included from /usr/include/dolfin/ale/MeshDisplacement.h:25:0,
>                      from /usr/include/dolfin/mesh/Mesh.h:40,
>                      from /usr/include/dolfin/mesh/dolfin_mesh.h:11,
>                      from /usr/include/dolfin.h:11,
>                      from function.h:23,
>                      from plot_mesh.cc:18:
> 
>     I've installed libdolfin1.3-dev from the FEniCS Ubuntu repository,
>     presumably that's the correct library -- or not?  Is this an error
>     related to the interface changes in libdolfin, or is it a completely
>     different problem with my system?
> 
> 
> The problem should be that you are using an older version of ffc, the
> compiler for the
> variational form. If you use dolfin 1.3.0 you should also use ffc 1.3.0
> and not ffc 1.2.0
> However you can install FeniCs 1.3.0 (which includes dolfin 1.3.0 and
> ffc 1.3.0)
> directly from their repository.
> 
> Please check what version of ffc you are using.

Thanks for your prompt reply!  I have to admit that I did some
installing/uninstalling of different packages experimenting a bit, but

  ffc --version

returns

  This is FFC, the FEniCS Form Compiler, version 1.3.0.
  For further information, visit http://www.fenics.org/ffc/.

for me, and I seemingly have installed "python-ffc 1.3.0" according to
the package manager.  Is this correct?

Yours,
Daniel

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