dnl ----------------------------------------------------------------
dnl PF_INET6 support requires getaddrinfo and INET6_ADDRSTRLEN
dnl PF_LOCAL may use getaddrinfo in available
-AC_CHECK_FUNCS( getaddrinfo gai_strerror inet_ntop )
+AC_CHECK_FUNCS( getaddrinfo getnameinfo gai_strerror inet_ntop )
ol_link_ipv6=no
if test $ac_cv_func_getaddrinfo = no -o $ac_cv_func_inet_ntop = no ; then