AC_DEFUN([AC_CHECK_RPC],
[
      AC_CHECK_FUNCS(pmap_set, , [
	 AC_CHECK_LIB(rpc, pmap_set, [
	   LIBS="-lrpc $LIBS"
	  AC_DEFINE(HAVE_PMAP_SET)
	  ])])
      AC_CHECK_FUNCS(pmap_getport pmap_getmaps rresvport)
      dnl add for source routing support setsockopt
      AC_CHECK_HEADERS(rpc/pmap_clnt.h, , , [
#include <sys/types.h>
#include <sys/socket.h>
#include <netinet/in.h>
#include <rpc/rpc.h>
#include <rpc/pmap_prot.h>
					    ])
])