[petsc-users] "--with-cxx=CC" option for ./configure?

[David Liu]

Hi,

I’m trying to run a solver code I wrote in C++ on the Kraken supercomputer.
Apparently Kraken already has a pre-built version of Petsc that is
optimized for their Cray architecture. So I try compiling my code, and as
expected, get an error message saying that “<iostream>” not found, which
I’m guessing is because Petsc wasn’t configured with
“-with-c-language=cxx”. Fair enough.

However, at the end of the error message, it gives me the list of things it
*was* configured with, and I see the flags “--with-cc=cc” and
“--with-cxx=CC”. Does anyone know what that second flag means?

best,
David
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