--- a/libtun6/tun6.c 2012-09-12 17:03:59.000000000 +0400 +++ b/libtun6/tun6.c 2019-04-07 02:21:07.439952535 +0300 @@ -53,7 +53,7 @@ const char os_driver[] = "Linux"; # define USE_LINUX 1 -# include // TUNSETIFF - Linux tunnel driver +# include // TUNSETIFF - Linux tunnel driver, ETH_P_IPV6 /* * conflicts with and , * so we've got to declare this structure by hand. @@ -65,7 +65,7 @@ }; # include // struct in6_rtmsg -# include // ETH_P_IPV6 +//# include // ETH_P_IPV6 typedef struct {