[petsc-dev] petsc/master: unable to link in C++ with last night PETSC_WITH_EXTERNAL_LIB variable changes

[Smith, Barry F.]

> On Feb 10, 2018, at 1:18 PM, Jed Brown <jed at jedbrown.org> wrote:
> 
> "Smith, Barry F." <bsmith at mcs.anl.gov> writes:
> 
>>      Do all MPI's still provide the C++ bindings and will they
>>      forever so I can just directly put in an MPI C++ function call
>>      in the test?
> 
> I would not count on that.

   Then the testing is more involved, need to first check if C++ bindings exist and then check if supplied automatically by compilers (like on Cray). Annoying, I'd prefer to avoid but I still don't have the definitive word if C++ bindings are the issue from Eric.