+AC_ARG_WITH(dns-servers,
+ AS_HELP_STRING([--with-dns-servers=DNSSERVERS],
+ [Space-separated list of default DNS servers]),
+ [DNS_SERVERS="$withval"],
+ [DNS_SERVERS="8.8.8.8 8.8.4.4 2001:4860:4860::8888 2001:4860:4860::8844"])
+
+AC_DEFINE_UNQUOTED(DNS_SERVERS, ["$DNS_SERVERS"], [Default DNS Servers])
+AC_SUBST(DNS_SERVERS)
+