X-Git-Url: https://pintos-os.org/cgi-bin/gitweb.cgi?a=blobdiff_plain;f=acinclude.m4;h=244a7468486648851e315be8c06fd1dec42f1627;hb=refs%2Fbuilds%2F20140303030503%2Fpspp;hp=52ac81acd3dc99e5b16d9405e518227d640fa604;hpb=dbc21ab2b5ba08f577c0f81f60fac12b196871a6;p=pspp

diff --git a/acinclude.m4 b/acinclude.m4
index 52ac81acd3..244a746848 100644
--- a/acinclude.m4
+++ b/acinclude.m4
@@ -1,4 +1,4 @@
-dnl Copyright (C) 2005, 2006, 2007, 2009 Free Software Foundation, Inc.
+dnl Copyright (C) 2005, 2006, 2007, 2009, 2014 Free Software Foundation, Inc.
 dnl This file is free software; the Free Software Foundation
 dnl gives unlimited permission to copy and/or distribute it,
 dnl with or without modifications, as long as this notice is preserved.
@@ -123,6 +123,10 @@ AC_DEFUN([PSPP_READLINE],
     AC_DEFINE(HAVE_READLINE, 1, [Define if you have the readline library.])
     AC_MSG_CHECKING([how to link with libreadline])
     AC_MSG_RESULT([$LIBREADLINE])
+    AC_SEARCH_LIBS([rl_echo_signal_char], [readline],
+        AC_DEFINE(HAVE_RL_ECHO_SIGNAL_CHAR, 1, [Define if the readline library provides rl_echo_signal_char.]),[],[$LIBREADLINE])
+    AC_SEARCH_LIBS([rl_outstream], [readline],
+        AC_DEFINE(HAVE_RL_OUTSTREAM, 1, [Define if the readline library provides rl_outstream.]),[],[$LIBREADLINE])
   else
     dnl If $LIBREADLINE didn't lead to a usable library, we don't
     dnl need $INCREADLINE either.