Perhaps you previously did a ./configure --download-mpich ?
So so delete ${PETSC_DIR}/${PETSC_ARCH} and rerun your new configure again.
If the same problem occurs send configure.log and make.log
Barry
> On Jan 27, 2017, at 2:21 PM, H. Vukman <[email protected]> wrote:
>
> Hello!
>
> When I try to compile PETSC after running ./configure with
> make PETSC_DIR=/home/guntah/Downloads/petsc-3.7.5
> PETSC_ARCH=arch-linux2-c-debug all
>
> I get the error:
>
> /home/guntah/Downloads/petsc-3.7.5/include/petscsys.h:150:6: error: #error
> "PETSc was configured with OpenMPI but now appears to be compiling using a
> non-OpenMPI mpi.h"
> # error "PETSc was configured with OpenMPI but now appears to be
> compiling using a non-OpenMPI mpi.h"
>
>
> I have used the newest OpenMpi 2.0.1 and PETSC 3.7.5
> The platform is Linux Mint 17. Attached is the make.log
>
> Thanks
>
> <make.log>
