AC_MSG_CHECKING([how to link with libreadline])
AC_MSG_RESULT([$LIBREADLINE])
AC_SEARCH_LIBS([rl_echo_signal_char], [readline],
AC_MSG_CHECKING([how to link with libreadline])
AC_MSG_RESULT([$LIBREADLINE])
AC_SEARCH_LIBS([rl_echo_signal_char], [readline],