+dnl Checks for RFC 2553 resolver and socket functions
+AC_CHECK_FUNC([getaddrinfo],
+ [AC_CHECK_FUNC([getnameinfo],
+ [AC_DEFINE([HAVE_RFC2553], [1],
+ [Define if RFC 2553 resolver functions like getaddrinfo(3) and
+ getnameinfo(3) present])
+ ])
+])