Yeah --download-openblas-commit option is a modifier to --download-openblas - so both options should be specified..
There is a proposal to automatically enable --download-openblas when --download-openblas-commit (or other similar modifier) option is specified - but its not in petsc yet.. Satish On Fri, 9 Jun 2023, Kalle Karhapää (TAU) wrote: > I managed to download a compatible openBLAS with conf > > ./configure --download-openblas > --download-openblas-commit='0b678b19dc03f2a999d6e038814c4c50b9640a4e' > --with-openmp --with-mpi=0 --with-shared-libraries=1 --with-mumps-serial=1 > --download-mumps --download-metis --download-slepc --with-debugging=0 > --with-scalar-type=real --with-x=0 COPTFLAGS='-O3' CXXOPTFLAGS='-O3' > FOPTFLAGS='-O3'; > > --download-openblas-commit=<id> didn't work by itself but with > -download-openblas it did > > case closed! > > -Kalle > From: Kalle Karhapää (TAU) > Sent: perjantai 9. kesäkuuta 2023 8.47 > To: petsc-users@mcs.anl.gov > Subject: PETSc downloading older version of OpenBLAS > > Hi all > > > During install I'm checking out an older version of PETSc > (v3.17.1-512-g27c9ef7be8) but running into problems with -download-openblas > in configure. > > I suspect the newest version of OpenBLAS that is being downloaded from git is > incompatible with this older version of petsc > > > Is there a way to have petsc -download an older version of openblas (eg. > v0.3.20) ? > > > Thanks > > -Kalle >