1 AC_DEFUN(DC_DO_NETSET, [ 2 AC_SEARCH_LIBS(socket, socket nsl) 3 AC_SEARCH_LIBS(gethostbyname, nsl) 4 AC_SEARCH_LIBS(inet_aton, xnet, AC_DEFINE(HAVE_INET_ATON), AC_SEARCH_LIBS(inet_addr, nsl)) 5 ])