https://gcc.gnu.org/bugzilla/show_bug.cgi?id=79433
--- Comment #19 from Marc Glisse <glisse at gcc dot gnu.org> --- (In reply to Jonathan Wakely from comment #16) > Even if we moved our headers to separate directories, it wouldn't make > __has_include sufficient.. Could you explain why? It would be a pain for other compilers using libstdc++ to add a suitable list of directories, but I don't immediately see why that would fail.
