AFAIK this is not a standard define, so it should be unconditionally reachable. mkr went fine.
Thoughts? Index: socket.h =================================================================== RCS file: /cvs/src/sys/sys/socket.h,v retrieving revision 1.91 diff -u -p -p -u -r1.91 socket.h --- socket.h 12 Sep 2016 19:41:20 -0000 1.91 +++ socket.h 25 Sep 2016 22:55:57 -0000 @@ -58,7 +58,9 @@ typedef __sa_family_t sa_family_t; /* so */ /* Maximum number of alternate routing tables */ +#if __BSD_VISIBLE #define RT_TABLEID_MAX 255 +#endif /* * Types -- jca | PGP : 0x1524E7EE / 5135 92C1 AD36 5293 2BDF DDCC 0DFA 74AE 1524 E7EE
