[firedrake] error installing PyOP2

[Lawrence Mitchell]

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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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