what do you have for: /usr/local/openmpi-4.1.5/bin/mpif90 -show
Also, can you try: make check FFLAGS=-Wno-maybe-uninitialized Satish On Tue, 3 Sep 2024, Barry Smith wrote: > > This is fine. Just an over-enthusiastic compiler > > Barry > > > > On Sep 3, 2024, at 9:43 PM, Bodhinanda Chandra <bodhinand...@gmail.com> > > wrote: > > > > Dear PETSc community, > > > > I recently tried to install PETSc in Ubuntu 24.04. All seems to work fine, > > but one of the check tests ex5f thow the following errors: > > > > ---------------------------------------------------------------------------------------------------- > > > > Running PETSc check examples to verify correct installation > > Using PETSC_DIR=/home/bchandra/Program/petsc and PETSC_ARCH=arch-linux-c-opt > > C/C++ example src/snes/tutorials/ex19 run successfully with 1 MPI process > > C/C++ example src/snes/tutorials/ex19 run successfully with 2 MPI processes > > C/C++ example src/snes/tutorials/ex19 run successfully with HYPRE > > *******************Error detected during compile or link!******************* > > See > > https://urldefense.us/v3/__https://petsc.org/release/faq/__;!!G_uCfscf7eWS!aWfx77pFkinEWnfZuOJV9iSUGz1PtCHOLEjTdL_APZHj6LB9f3z5sn2XDepCVrIL3IqhVVJH51ih6RUxgdeFsJ0$ > > > > <https://urldefense.us/v3/__https://petsc.org/release/faq/__;!!G_uCfscf7eWS!bNBtvML4qAKu9WGzBH2kRjtiP8AwN3ijY4qZngu7nvl_TUwz8pQ6WGyCJh0AtIEOqLHU5NHUJRL1oWg2FeTR0Oz6868$> > > /home/bchandra/Program/petsc/src/snes/tutorials ex5f > > ********************************************************* > > /usr/local/openmpi-4.1.5/bin/mpif90 -fPIC -Wall -ffree-line-length-none > > -ffree-line-length-0 -Wno-lto-type-mismatch -Wno-unused-dummy-argument > > -Wall -ffree-line-length-none -ffree-line-length-0 -Wno-lto-type-mismatch > > -Wno-unused-dummy-argument -O3 -march=native -mtune=native > > -I/home/bchandra/Program/petsc/include > > -I/home/bchandra/Program/petsc/arch-linux-c-opt/include > > -I/usr/local/openmpi-4.1.5/include ex5f.F90 > > -Wl,-rpath,/home/bchandra/Program/petsc/arch-linux-c-opt/lib > > -L/home/bchandra/Program/petsc/arch-linux-c-opt/lib > > -Wl,-rpath,/usr/local/openmpi-4.1.5/lib -L/usr/local/openmpi-4.1.5/lib > > -Wl,-rpath,/usr/lib/gcc/x86_64-linux-gnu/13 > > -L/usr/lib/gcc/x86_64-linux-gnu/13 -lpetsc -lHYPRE -lflapack -lfblas -lm > > -lX11 -lmpi_usempif08 -lmpi_usempi_ignore_tkr -lmpi_mpifh -lmpi -lgfortran > > -lm -lgfortran -lm -lgcc_s -lquadmath -lstdc++ -lquadmath -o ex5f > > ex5f.F90:439:52: > > > > 439 | PetscInt row,col(5),i,j,i1,i5 > > | ^ > > Warning: ‘col[1]’ may be used uninitialized [-Wmaybe-uninitialized] > > ex5f.F90:439:52: Warning: ‘col[2]’ may be used uninitialized > > [-Wmaybe-uninitialized] > > ex5f.F90:439:52: Warning: ‘col[3]’ may be used uninitialized > > [-Wmaybe-uninitialized] > > ex5f.F90:476:83: > > > > 476 | call > > MatSetValuesLocal(jac,i1,[row],i1,[col],[v],INSERT_VALUES,ierr) > > | > > ^ > > Warning: ‘col[4]’ may be used uninitialized [-Wmaybe-uninitialized] > > ex5f.F90:439:52: > > > > 439 | PetscInt row,col(5),i,j,i1,i5 > > | ^ > > note: ‘col[4]’ was declared here > > ex5f.F90:476:83: > > > > 476 | call > > MatSetValuesLocal(jac,i1,[row],i1,[col],[v],INSERT_VALUES,ierr) > > | > > ^ > > Warning: ‘v[1]’ may be used uninitialized [-Wmaybe-uninitialized] > > ex5f.F90:440:58: > > > > 440 | PetscScalar two,one,hx,hy,v(5) > > | ^ > > note: ‘v[1]’ was declared here > > ex5f.F90:476:83: > > > > 476 | call > > MatSetValuesLocal(jac,i1,[row],i1,[col],[v],INSERT_VALUES,ierr) > > | > > ^ > > Warning: ‘v[2]’ may be used uninitialized [-Wmaybe-uninitialized] > > ex5f.F90:440:58: > > > > 440 | PetscScalar two,one,hx,hy,v(5) > > | ^ > > note: ‘v[2]’ was declared here > > ex5f.F90:476:83: > > > > 476 | call > > MatSetValuesLocal(jac,i1,[row],i1,[col],[v],INSERT_VALUES,ierr) > > | > > ^ > > Warning: ‘v[3]’ may be used uninitialized [-Wmaybe-uninitialized] > > ex5f.F90:440:58: > > > > 440 | PetscScalar two,one,hx,hy,v(5) > > | ^ > > note: ‘v[3]’ was declared here > > ex5f.F90:476:83: > > > > 476 | call > > MatSetValuesLocal(jac,i1,[row],i1,[col],[v],INSERT_VALUES,ierr) > > | > > ^ > > Warning: ‘v[4]’ may be used uninitialized [-Wmaybe-uninitialized] > > ex5f.F90:440:58: > > > > 440 | PetscScalar two,one,hx,hy,v(5) > > | ^ > > note: ‘v[4]’ was declared here > > Fortran example src/snes/tutorials/ex5f run successfully with 1 MPI process > > Completed PETSc check examples > > > > ---------------------------------------------------------------------------------------------------- > > > > Any ideas what happened and how to fix it? Many thanks in advance. > > > > Kind regards, > > Nanda > >
