[firedrake] error installing PyOP2

[Justin Chang]

Alright, I got it working after uninstalling and reinstalling everything. I
guess that works every time. Thanks again for all your help!

On Tue, Jul 14, 2015 at 8:07 AM, Lawrence Mitchell <
lawrence.mitchell at imperial.ac.uk> wrote:

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> On 14/07/15 13:03, Justin Chang wrote:
> > I had my PETSc use the globally installed MPI. Now it seems they
> > all point to the same MPI library
> >
> > However, now I am getting this new error when running 'make test':
>
> ...
>
> > File "PETSc.pxd", line 61, in init pyop2.sparsity
> > (pyop2/sparsity.cpp:22149) ValueError: petsc4py.PETSc.Comm has the
> > wrong size, try recompiling make: *** [unit_sequential] Error 1
>
> You'll want to recompile petsc4py, and probably the extension modules
> in PyOP2.  You can do the latter by typing "make ext" in the PyOP2
> directory.  When you get to firedrake you'll also want to recompile
> its extension modules: "make clean all" in the firedrake directory.
>
> Cheers,
>
> Lawrence
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