On Fri, 30 Jun 2017, Richard Earnshaw (lists) wrote: > NO. AN OPTION WILL NOT WORK. > > An option cannot fix up existing binary objects and change the ABI that > they expect. You cannot force a recompile on all users so the ABI for > this type is NOW FIXED. > > Mixing objects with potentially different ABIs in play is a recipe for > disaster. Sorry, but just to make sure there's no misunderstanding, let me just once remind you that this is no different from, say, -fno-exceptions: software projects can safely enable such options on their own (for the proposed option, if the program or library never exposes internally used atomic objects to external code). Alexander
