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

[Kevin Buckley]

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, yes
and so I continued building with it for later PETSc and PISM updates.

Given your assertion, I should probably check that.