Re: Building fem-fenics on Ubuntu

[Daniel Kraft]

Hi!

On 2014-02-26 12:21, Marco Vassallo wrote:
> On Wed, Feb 26, 2014 at 11:17 AM, Daniel Kraft <address@hidden
> <mailto:address@hidden>> wrote:
> 
>     Hi!
> 
>     On 2014-02-26 11:40, Marco Vassallo wrote:
>     > yes this is correct. Please try compiling the pkg from zero, deleting
>     > all the *.oct *.o
>     > files already generated and especially the files Plot_2d.h
>     Plot_3d.h, as
>     > well as the folders
>     > @function and @mesh.
>     > I m able to reproduce a very similar error usinf ffc 1.2.0 and dolfin
>     > 1.3.0, so maybe you are using files
>     > which have been generated at different times with different version of
>     > the pkg.
> 
>     I feel stupid, now it builds & installs fine.  Thanks again!
> 
>     When I try to run the Poisson equation example, Octave now crashes with
> 
>       /usr/local/bin/octave-cli-4.1.0+: symbol lookup error:
>     /usr/lib/openmpi/lib/openmpi/mca_paffinity_linux.so: undefined symbol:
>     mca_base_param_reg_int
> 
>     This is presumably the same problem as [1] and [2], and seems to be a
>     problem with OpenMPI and not Octave.
> 
>       [1] http://www.open-mpi.org/community/lists/users/2009/02/8158.php
>       [2]
>     http://www.mathworks.com/matlabcentral/newsreader/view_thread/308346
> 
>     Does anyone know an easy solution for this by chance?  I do not really
>     need MPI, but I guess that I can't just "disable" using MPI for
>     fem-fenics, right?
> 
> Yes, it should be enough to set
>  
> export LD_PRELOAD=/usr/lib/openmpi/lib/libmpi.so

Thank you so much, now the example works fine!  This means that I'm
hopefully ready to start working deeper into fem-fenics and using it for
my own problems now. :)

Great work!

Yours,
Daniel

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