Please check: "Intel MPI" section of https://urldefense.us/v3/__https://petsc.org/release/install/install/*mpi__;... - Likely you need to correctly set I_MPI_CC etc. for the MPI compiler wrappers to work. If you still have issues - send configure.log from this failure. Satish On Mon, 25 Nov 2024, Brian Bainbridge - BGS via petsc-users wrote:

Hi there,

I have downloaded petsc-.3.22.1 via git, but when I try to configure with the Intel compilers I get this message:

[bba@kwvmxbridgeHPC petsc]$ ./configure --prefix=/home/bba/bin/petsc --with-mpi-dir=/home/bba/intel/oneapi/mpi/2021.14/ ============================================================================================= Configuring PETSc to compile on your system ============================================================================================= TESTING: checkCCompiler from config.setCompilers(config/BuildSystem/config/setCompilers.py:1457) ********************************************************************************************* UNABLE to CONFIGURE with GIVEN OPTIONS (see configure.log for details): --------------------------------------------------------------------------------------------- MPI compiler wrappers in /home/bba/intel/oneapi/mpi/2021.14/bin cannot be found or do not work. See https://urldefense.us/v3/__https://petsc.org/release/faq/*invalid-mpi-compil... *********************************************************************************************

But:

[bba@kwvmxbridgeHPC petsc]$ ls /home/bba/intel/oneapi/mpi/2021.14/bin cpuinfo hydra_nameserver IMB-MPI1 IMB-MT IMB-P2P impi_cpuinfo mpicc mpiexec mpif77 mpifc mpigxx mpiicpc mpiicx mpiifx mpitune_fast hydra_bstrap_proxy hydra_pmi_proxy IMB-MPI1-GPU IMB-NBC IMB-RMA impi_info mpicxx mpiexec.hydra mpif90 mpigcc mpiicc mpiicpx mpiifort mpirun

So it should work, but it doesn't! I tried to use --with-cc=/home/bba/intel/oneapi/mpi/2021.14/bin/mpiicx

but that doesn't work:

[bba@kwvmxbridgeHPC petsc]$ ./configure --prefix=/home/bba/bin/petsc --with-cc=/home/bba/intel/oneapi/mpi/2021.14/bin/mpiicx ============================================================================================= Configuring PETSc to compile on your system ============================================================================================= TESTING: checkCCompiler from config.setCompilers(config/BuildSystem/config/setCompilers.py:1457) ********************************************************************************************* UNABLE to CONFIGURE with GIVEN OPTIONS (see configure.log for details): --------------------------------------------------------------------------------------------- C compiler you provided with -with-cc=/home/bba/intel/oneapi/mpi/2021.14/bin/mpiicx cannot be found or does not work. If the above linker messages do not indicate failure of the compiler you can rerun with the option --ignoreLinkOutput=1 *********************************************************************************************

[bba@kwvmxbridgeHPC petsc]$ ls /home/bba/intel/oneapi/mpi/2021.14/bin/mpiicx /home/bba/intel/oneapi/mpi/2021.14/bin/mpiicx

The compiler is there, can you please help me to configure the petsc please?

Regards, Brian

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