From configure.log and also my make check command I receive error message due to my Lapack libraries depending on older version of gfortran compared to petsc libraries. I am copy+pasting make check output:
-------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Running check examples to verify correct installation Using PETSC_DIR=/home/vbhamidipati/petsc/petsc and PETSC_ARCH=arch-linux-c-debug *******************Error detected during compile or link!******************* See http://www.mcs.anl.gov/petsc/documentation/faq.html /home/vbhamidipati/petsc/petsc/src/snes/tutorials ex19 ********************************************************************************* mpicc -Wall -Wwrite-strings -Wno-strict-aliasing -Wno-unknown-pragmas -fstack-protector -fvisibility=hidden -g3 -Wall -Wwrite-strings -Wno-strict-aliasing -Wno-unknown-pragmas -fstack-protector -fvisibility=hidden -g3 -I/home/vbhamidipati/petsc/petsc/include -I/home/vbhamidipati/petsc/petsc/arch-linux-c-debug/include ex19.c -Wl,-rpath,/home/vbhamidipati/petsc/petsc/arch-linux-c-debug/lib -L/home/vbhamidipati/petsc/petsc/arch-linux-c-debug/lib -Wl,-rpath,/usr/lib64/mpich-3.2/lib -L/usr/lib64/mpich-3.2/lib -Wl,-rpath,/opt/rh/devtoolset-8/root/usr/lib/gcc/x86_64-redhat-linux/8 -L/opt/rh/devtoolset-8/root/usr/lib/gcc/x86_64-redhat-linux/8 -Wl,-rpath,/opt/rh/devtoolset-8/root/usr/lib64 -L/opt/rh/devtoolset-8/root/usr/lib64 -Wl,-rpath,/opt/rh/devtoolset-8/root/usr/lib -L/opt/rh/devtoolset-8/root/usr/lib -lpetsc -llapack -lblas -lpthread -lm -lX11 -lstdc++ -ldl -lmpifort -lmpi -lgfortran -lm -lgfortran -lm -lgcc_s -lquadmath -lstdc++ -ldl -o ex19 /opt/rh/devtoolset-8/root/usr/libexec/gcc/x86_64-redhat-linux/8/ld: warning: libgfortran.so.3, needed by /lib/../lib64/liblapack.so, may conflict with libgfortran.so.5 /opt/rh/devtoolset-8/root/usr/libexec/gcc/x86_64-redhat-linux/8/ld: warning: libgfortran.so.3, needed by /lib/../lib64/liblapack.so, may conflict with libgfortran.so.5 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 *******************Error detected during compile or link!******************* See http://www.mcs.anl.gov/petsc/documentation/faq.html /home/vbhamidipati/petsc/petsc/src/snes/tutorials ex5f ********************************************************* mpif90 -Wall -ffree-line-length-0 -Wno-unused-dummy-argument -g -Wall -ffree-line-length-0 -Wno-unused-dummy-argument -g -I/home/vbhamidipati/petsc/petsc/include -I/home/vbhamidipati/petsc/petsc/arch-linux-c-debug/include ex5f.F90 -Wl,-rpath,/home/vbhamidipati/petsc/petsc/arch-linux-c-debug/lib -L/home/vbhamidipati/petsc/petsc/arch-linux-c-debug/lib -Wl,-rpath,/usr/lib64/mpich-3.2/lib -L/usr/lib64/mpich-3.2/lib -Wl,-rpath,/opt/rh/devtoolset-8/root/usr/lib/gcc/x86_64-redhat-linux/8 -L/opt/rh/devtoolset-8/root/usr/lib/gcc/x86_64-redhat-linux/8 -Wl,-rpath,/opt/rh/devtoolset-8/root/usr/lib64 -L/opt/rh/devtoolset-8/root/usr/lib64 -Wl,-rpath,/opt/rh/devtoolset-8/root/usr/lib -L/opt/rh/devtoolset-8/root/usr/lib -lpetsc -llapack -lblas -lpthread -lm -lX11 -lstdc++ -ldl -lmpifort -lmpi -lgfortran -lm -lgfortran -lm -lgcc_s -lquadmath -lstdc++ -ldl -o ex5f /opt/rh/devtoolset-8/root/usr/libexec/gcc/x86_64-redhat-linux/8/ld: warning: libgfortran.so.3, needed by /lib/../lib64/liblapack.so, may conflict with libgfortran.so.5 /opt/rh/devtoolset-8/root/usr/libexec/gcc/x86_64-redhat-linux/8/ld: warning: libgfortran.so.3, needed by /lib/../lib64/liblapack.so, may conflict with libgfortran.so.5 /opt/rh/devtoolset-8/root/usr/libexec/gcc/x86_64-redhat-linux/8/ld: warning: libgfortran.so.3, needed by /lib/../lib64/liblapack.so, may conflict with libgfortran.so.5 /opt/rh/devtoolset-8/root/usr/libexec/gcc/x86_64-redhat-linux/8/ld: warning: libgfortran.so.3, needed by /lib/../lib64/liblapack.so, may conflict with libgfortran.so.5 Fortran example src/snes/tutorials/ex5f run successfully with 1 MPI process Completed test examples -------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Is this OK? Or should I replace Lapack libraries and rebuild petsc? Thanks, Vikram --------------------------------------------------- Vikram Bhamidipati Senior Research Engineer Computational Material Integrity Section Materials Engineering Department Mechanical Engineering Division Ph: (210) 522-2576