[petsc-dev] PETSc packages are way out of date

[Sean Farley]

>
>    Cool, can make these accessable from the PETSc download page?
>

Sure!


>    How do you handle different versions of MPI?


What do you mean? If you mean, say, different compilers, then this is
handled with 'variants'

http://guide.macports.org/chunked/reference.variants.html

e.g.

$ port installed mpich2

mpich2 @1.0.8_0+darwin+gfortran
mpich2 @1.0.8_0+darwin+gcc44
mpich2 @1.0.8_0+darwin+gcc45
mpich2 @1.2.1p1_0+darwin+gcc44+gforker
mpich2 @1.2.1p1_0+darwin+gcc45+gforker
mpich2 @1.2.1p1_0+darwin+gforker+gfortran (active)
mpich2 @1.3a1_0+darwin+gcc44+hydra
mpich2 @1.3a1_0+darwin+gcc45+hydra
mpich2 @1.3a1_0+darwin+gfortran+hydra

To switch between them:

$ port activate mpich2 @1.3a1_0+darwin+gcc45+hydra

Is this what you mean?
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