[petsc-users] Configuration of PETSc with Intel OneAPI and Intel MPI fails

[Junchao Zhang]

Could you just use "--with-cc=mpiicx --with-cxx=mpiicpx" ?  In addition,
you can export environment vars I_MPI_CC=icx  and I_MPI_CXX=icpx to
specify the underlying compilers.

--Junchao Zhang


On Mon, Oct 9, 2023 at 7:33 AM Richter, Roland <Roland.Richter at empa.ch>
wrote:

> Hei,
>
> I'm currently trying to install PETSc on a server (Ubuntu 22.04) with
> Intel MPI and Intel OneAPI. To combine both, I have to use f. ex. "mpiicc
> -cc=icx" as C-compiler, as described by
> https://stackoverflow.com/a/76362396. Therefore, I adapted the
> configure-line as follow:
>
>
>
> *./configure --prefix=/media/storage/local_opt/petsc
> --with-scalar-type=complex --with-cc="mpiicc -cc=icx" --with-cxx="mpiicpc
> -cxx=icpx" --CPPFLAGS="-fPIC -march=native -mavx2" --CXXFLAGS="-fPIC
> -march=native -mavx2" --with-fc="mpiifort -fc=ifx" --with-pic=true
> --with-mpi=true
> --with-blaslapack-dir=/opt/intel/oneapi/mkl/latest/lib/intel64/
> --with-openmp=true --download-hdf5=yes --download-netcdf=yes
> --download-chaco=no --download-metis=yes --download-slepc=yes
> --download-suitesparse=yes --download-eigen=yes --download-parmetis=yes
> --download-ptscotch=yes --download-mumps=yes --download-scalapack=yes
> --download-superlu=yes --download-superlu_dist=yes --with-mkl_pardiso=1
> --with-boost=1 --with-boost-dir=/media/storage/local_opt/boost
> --download-opencascade=yes --with-fftw=1
> --with-fftw-dir=/media/storage/local_opt/fftw3 --download-kokkos=yes
> --with-mkl_sparse=1 --with-mkl_cpardiso=1 --with-mkl_sparse_optimize=1
> --download-muparser=no --download-p4est=yes --download-sowing=yes
> --download-viennalcl=yes --with-zlib --force=1 --with-clean=1 --with-cuda=1*
>
>
>
> The configuration, however, fails with
>
>
>
> *The CMAKE_C_COMPILER:*
>
>
>
> *    mpiicc -cc=icx*
>
>
>
> *  is not a full path and was not found in the PATH*
>
>
>
> for all additional modules which use a cmake-based configuration approach
> (such as OPENCASCADE). How could I solve that problem?
>
>
>
> Thank you!
>
> Regards,
>
> Roland Richter
>
>
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