Author: Rasmus Thomsen Reason: FF is mixing userspace net headers (net/if.h) and kernelspace ones (linux/if.h), leading to redefinitions. We need to include net/if.h before linux/if.h because linux/if.h has redifinition guards whereas net/if.h doesnt Upstream: No --- media/mtransport/third_party/nICEr/src/stun/addrs-netlink.c.orig 2020-07-28 19:24:32.359751046 +0200 +++ media/mtransport/third_party/nICEr/src/stun/addrs-netlink.c 2020-07-28 19:24:37.856343751 +0200 @@ -31,6 +31,7 @@ */ #if defined(LINUX) +#include #include "addrs-netlink.h" #include #include