https://gcc.gnu.org/bugzilla/show_bug.cgi?id=60978 --- Comment #10 from Jason Merrill <jason at gcc dot gnu.org> --- (In reply to Paul Pluzhnikov from comment #9) > In glibc-2.19, include/netinet/in.h: Interesting, in glibc 2.18 (at least in glibc-headers-2.18-16.fc20.x86_64) they are in the same enum.