In file included from snmptrapd_auth.c:10:
/usr/include/netinet/in.h:255: error: parse error before "in_addr_t"
/usr/include/netinet/in.h:312: error: parse error before "u_char"
/usr/include/netinet/in.h:314: error: parse error before "sin_port"
/usr/include/netinet/in.h:317: error: parse error before '}' token
/usr/include/netinet/in.h:329: error: field `ip_dst' has incomplete type
/usr/include/netinet/in.h:398: error: field `imr_multiaddr' has incomplete type
/usr/include/netinet/in.h:399: error: field `imr_interface' has incomplete type
In file included from /usr/include/netinet/in.h:518,
                 from snmptrapd_auth.c:10:
/usr/include/netinet6/in6.h:625: error: parse error before "inet6_rthdr_space"
/usr/include/netinet6/in6.h:637: error: parse error before "size_t"
/usr/include/netinet6/in6.h:639: error: parse error before "size_t"
/usr/include/netinet6/in6.h:640: error: parse error before "size_t"
/usr/include/netinet6/in6.h:641: error: parse error before "size_t"
/usr/include/netinet6/in6.h:644: error: parse error before "size_t"
/usr/include/netinet6/in6.h:646: error: parse error before "size_t"
/usr/include/netinet6/in6.h:647: error: parse error before "size_t"
/usr/include/netinet6/in6.h:648: error: parse error before "inet6_rth_space"
/usr/include/netinet/in.h:315: error: storage size of `sin_addr' isn't known
make[1]: *** [snmptrapd_auth.lo] Error 1
make: *** [subdirs] Error 1