https://gcc.gnu.org/bugzilla/show_bug.cgi?id=98861
--- Comment #16 from cqwrteur <unlvsur at live dot com> --- (In reply to Jonathan Wakely from comment #15) > > > (In reply to cqwrteur from comment #12) > > > > stdio.h should not get included in any circumstances for EH. You are > > > > implementing the operating system, but you need to enable EH by the > > > > standard > > > > and EH relies on stdio. Chicken-egg problem. > > > > > > It doesn't depend on stdio though. What are you talking about? > > > > https://github.com/gcc-mirror/gcc/blob/ > > e11e5d3889f9e54c547efee50fa1b72b50f0f265/libstdc%2B%2B-v3/libsupc%2B%2B/ > > vterminate.cc#L93 > > Which is disabled in freestanding, and can be optionally disabled in hosted. > > This is an OPTIONAL feature of libstdc++, not something that exception > handling intrinsically relies on. If you don't want it, you don't have to > use it. > > And if you're implementing the OS then you're using freestanding and it's > automatically disabled. Looks at line 27 in that file. > > Once again you are talking out of your backside. > > Stop wasting our time. That does not work in the real-world since your libstdc++'s freestanding header never works correctly, (you get compilation errors). In reality, people just use a "hosted toolchain" with GNU newlib. A "hosted version" of real freestanding. Or you do not even have proper headers to run C++.
