[petsc-dev] PETSC_DIR and PETSC_ARCH: used to distinguish between multiple applications ?

[Jed Brown]

Kevin Buckley <kevin.buckley.ecs.vuw.ac.nz at gmail.com> writes:

> On 24 April 2017 at 14:11, Matthew Knepley <knepley at gmail.com> wrote:
>
>>> The original package has a requirement for
>>>
>>>   --with-clanguage=cxx
>>
>> Also, this is almost never needed. Are you sure the package needs it, or
>> just uses it due to history.
>
> Apologies, was away for a while.
>
> At the time I was building PISM, I believe that was a requirement, 

That hasn't been a suggestion in the PISM distribution since 2009, as
far as I know (and checking the Git history).

> yes and so I continued building with it for later PETSc and PISM
> updates.
>
> Given your assertion, I should probably check that.
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