+AC_ARG_WITH(ntp-servers,
+ AS_HELP_STRING([--with-ntp-servers=NTPSERVERS],
+ [Space-separated list of default NTP servers]),
+ [NTP_SERVERS="$withval"],
+ [NTP_SERVERS="time1.google.com time2.google.com time3.google.com time4.google.com"])
+
+AC_DEFINE_UNQUOTED(NTP_SERVERS, ["$NTP_SERVERS"], [Default NTP Servers])
+AC_SUBST(NTP_SERVERS)
+