rl_event_hook detection

This patch is relevant for Samba4 source mostly. The way, how readline
compiled under FreeBSD makes it require stdio.h to get all the necessary
declarations. Without this addition rl_event_hook is not properly detected.

With regards,
Timur Bakeyev.

Signed-off-by: Stefan Metzmacher <metze@samba.org>

diff --git a/source4/lib/smbreadline/readline.m4 b/source4/lib/smbreadline/readline.m4
index 86e2fb19d65708bb3fd869be54738a23b5fc0c93..df154409aded750d8419e30eeb56460220b6707a 100644 (file)
--- a/source4/lib/smbreadline/readline.m4
+++ b/source4/lib/smbreadline/readline.m4
@@ -69,7 +69,10 @@ AC_CHECK_LIB(readline, rl_completion_matches,
             [$TERMLIBS])
 
 # not all readline libs have rl_event_hook or history_list
-AC_CHECK_DECLS(rl_event_hook, [], [], [#include <readline/readline.h>])
+AC_CHECK_DECLS(rl_event_hook, [], [], [
+    #include <stdio.h>
+    #include <readline/readline.h>
+])
 AC_CHECK_LIB(readline, history_list,
             [AC_DEFINE(HAVE_HISTORY_LIST, 1, [Do we have history_list?])],
             [],