https://gcc.gnu.org/bugzilla/show_bug.cgi?id=100726
--- Comment #6 from cqwrteur <unlvsur at live dot com> --- (In reply to Jonathan Wakely from comment #5) > (In reply to Andrew Pinski from comment #2) > > I really doubt anything before Windows XP is supported really. > > I have no interest in making the filesystem library work on old versions of > Windows. If we expect libstdc++ to be usable there, that function should > just report an error on old versions. I do not know whether there is a setting to disable filesystem in dll when we build GCC. --disable-libstdcxx-filesystem-ts does not seem to work. Just disable it.