https://gitlab.com/petsc/petsc/merge_requests/2409
> On Dec 16, 2019, at 3:02 PM, Lisandro Dalcin <dalc...@gmail.com> wrote: > > While rebuilding a configuration with C++ on macOS, I got this weird output: > > ----------------------------------------- > Using system modules: > error: invalid argument '-std=c++14' not allowed with 'C' > Using mpi.h: > ----------------------------------------- > > We are obviously messing C vs CXX flags somewhere. > > -- > Lisandro Dalcin > ============ > Research Scientist > Extreme Computing Research Center (ECRC) > King Abdullah University of Science and Technology (KAUST) > http://ecrc.kaust.edu.sa/