https://gcc.gnu.org/bugzilla/show_bug.cgi?id=103635
--- Comment #2 from Mark Harmstone <mark at harmstone dot com> --- (In reply to Jonathan Wakely from comment #1) > (In reply to Mark Harmstone from comment #0) > > The practical problem this causes is that you can't #include <string> on > > mingw with -mabi=sysv, > > I don't think that's going to work anyway, is it? > > I would expect that you need to rebuild the whole of libstdc++ to be able to > use a different -mabi switch. Possibly, possibly not. I think a lot of <string> is templated rather than precompiled. That wouldn't have been a blocker to what I was working on, anyway.