[petsc-users] Could not find a CXX preprocessor on Catalina

Alexander Lindsay alexlindsay239 at gmail.com
Wed Dec 4 14:10:01 CST 2019

Is this regarded as failing just because of the unused option warning? The
`mpicxx` wrapper specifies `-Wl,-flat_namespace` which is indeed going to
be unused during preprocessing...

On Wed, Dec 4, 2019 at 11:40 AM Alexander Lindsay <alexlindsay239 at gmail.com>

> I'm currently unable to build superlu_dist during configuration because of
> "Could not find a CXX preprocessor". From configure.log it looks like CXXPP
> is getting deleted after errors executing `mpicxx -E` and then `mpicxx
> --use cpp32`. Attached is configure.log.
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