On Fri, Jan 29, 2021 at 04:32:32PM -0500, Arvind Sankar wrote: > Given what Jakub is saying, i.e. it was previously impossible to get > dwarf2 with gcc, and you get dwarf4 whether or not DEBUG_INFO_DWARF4 was It isn't impossible to get it, -gdwarf-2 works, it is just not a very good choice (at least unless one knows some debug info consumer is not DWARF3 or later ready). Though, even gcc -gdwarf-2 will use many extensions from DWARF3 and later, as long as there is no way to describe stuff in DWARF2. -gstrict-dwarf option requests that no DWARF extensions are used. Jakub