otool -rv main | grep _foo | ${FAIL_IF_STDIN}
otool -rv main | grep _bar | ${FAIL_IF_STDIN}
# check jump table with -pie, should have no external and some local relocations
otool -rv main | grep _foo | ${FAIL_IF_STDIN}
otool -rv main | grep _bar | ${FAIL_IF_STDIN}
# check jump table with -pie, should have no external and some local relocations