Hello all, I’m wondering if you guys use any extra compiler flags when debugging (other than -g3). I have noticed for example that when compiling I am only warned about something (i.e. wrong argument type for a function) once, so if I recompile the same program with no changes, the second compilation doesn’t reproduce the warning. Currently I use the default compiler flags that petsc generates for debugging support with MPICH:
C Compiler: /Users/jacobfaibussowitsch/NoSync/petscpackages/bin/mpicc -Wall -Wwrite-strings -Wno-strict-aliasing -Wno-unknown-pragmas -fstack-protector -fno-stack-check -Qunused-arguments -fvisibility=hidden -g3 Version: Apple clang version 11.0.0 (clang-1100.0.33.17) I’m mainly trying to find a 64-bit bug, so I have now added the “-ftrapv” flag to trap for integer overflows but there are probably more flags out there. Best regards, Jacob Faibussowitsch (Jacob Fai - booss - oh - vitch) Cell: (312) 694-3391
