Could you please try with the main branch of PETSc?
We've seen similar problems that have at least partially been dealt with in the main branch. Barry > On Mar 28, 2022, at 4:42 PM, Alexander Lindsay <[email protected]> > wrote: > > Attached is my configure.log. Error is: > > Could NOT find MPI_C (missing: MPI_C_HEADER_DIR) (found version "4.0") > > What's interesting is that cmake does successfully find MPI_CXX and > MPI_Fortran albeit in a place I'd rather it not find it (a gcc mpi build > located at $HOME/mpich/installed/lib whereas mpicc -show yields what it > should at $HOME/mpich/installed-clang/lib). > > My same configure line worked well with PETSc 3.15.x. I noticed that these > arguments are empty: > > -DMPI_C_INCLUDE_PATH:STRING="" -DMPI_C_HEADER_DIR:STRING="" > -DMPI_C_LIBRARIES:STRING="" > > If I fill those with the correct values and manually cmake superlu_dist, then > configure is successful > <configure.log>
