https://gcc.gnu.org/bugzilla/show_bug.cgi?id=101867
Jonathan Wakely <redi at gcc dot gnu.org> changed: What |Removed |Added ---------------------------------------------------------------------------- Status|WAITING |NEW --- Comment #11 from Jonathan Wakely <redi at gcc dot gnu.org> --- (In reply to cqwrteur from comment #9) > How to use stdio_pure as implementation? Since avrlibc does not provide > posix fd. --enable-cstdio=stdio_pure There is *lots* of work needed to build a hosted libstdc++ for AVR, this is a known problem (and is why libstdc++ is usually not built for AVR).