https://gcc.gnu.org/bugzilla/show_bug.cgi?id=88421
--- Comment #5 from coypu <coypu at sdf dot org> --- (In reply to Jakub Jelinek from comment #4) > That is one header, not two, so why should that fenv.h's #include_next > include that same header or some copy of that header in a different path? I am in the process of building libstdc++. -I/tmp/build/shle--netbsdelf/libstdc++-v3/include there's a libstdc++ fenv.h there
