AC_CHECK_HEADERS(sys/types.h)
AC_CHECK_HEADERS(sys/socket.h)
AC_CHECK_HEADERS(sys/select.h)
+AC_CHECK_HEADERS(sys/poll.h)
AC_CHECK_HEADERS(netdb.h)
AC_CHECK_HEADERS(arpa/inet.h)
AC_CHECK_HEADERS(sys/resource.h)
AC_COLLECTD([memory], [disable], [module], [memory statistics])
AC_COLLECTD([mysql], [disable], [module], [mysql statistics])
AC_COLLECTD([nfs], [disable], [module], [nfs statistics])
+AC_COLLECTD([ntpd], [disable], [module], [nfs statistics])
AC_COLLECTD([ping], [disable], [module], [ping statistics])
AC_COLLECTD([processes], [disable], [module], [processes statistics])
AC_COLLECTD([sensors], [disable], [module], [lm_sensors statistics])
memory . . . . . . $enable_memory
mysql . . . . . . . $enable_mysql
nfs . . . . . . . . $enable_nfs
+ ntpd . . . . . . . $enable_ntpd
ping . . . . . . . $enable_ping
processes . . . . . $enable_processes
sensors . . . . . . $enable_sensors