nirav.dalal@xxxxxxxxxxxx writes: > Yes, I have tried -g and -ggdb options and they do work, but I was > wondering > why the other options does NOT work. -gxcoff is only meaningful on AIX. The problem with -gcoff sounds like a bug somewhere. I doubt anybody cares very much, since COFF debugging information is very limited. -gdwarf was removed recently, since DWARF 1 has been replaced by DWARF 2. -gdwarf-2 still exists. Ian