- AC_DEFINE(HAVE_RL_ECHO_SIGNAL_CHAR, 1, [Define if the readline library provides rl_echo_signal_char.]))
+ AC_DEFINE(HAVE_RL_ECHO_SIGNAL_CHAR, 1, [Define if the readline library provides rl_echo_signal_char.]),[],[$LIBREADLINE])
+ AC_SEARCH_LIBS([rl_outstream], [readline],
+ AC_DEFINE(HAVE_RL_OUTSTREAM, 1, [Define if the readline library provides rl_outstream.]),[],[$LIBREADLINE])