build ruby with readline 6.3

2.0.0-p451.patch

diff -ur orig/ext/readline/readline.c fixed/ext/readline/readline.c
--- orig/ext/readline/readline.c    2014-03-18 13:53:31.866359527 +0100
+++ fixed/ext/readline/readline.c   2014-03-18 13:56:26.390247250 +0100
@@ -1883,7 +1883,7 @@

     rl_attempted_completion_function = readline_attempted_completion_function;
 #if defined(HAVE_RL_PRE_INPUT_HOOK)
-    rl_pre_input_hook = (Function *)readline_pre_input_hook;
+    rl_pre_input_hook = (rl_hook_func_t *)readline_pre_input_hook;
 #endif
 #ifdef HAVE_RL_CATCH_SIGNALS
     rl_catch_signals = 0;

2.1.1

From 4c4da3fc650a3595ecc06f49072f1ffae07db706 Mon Sep 17 00:00:00 2001
From: Thomas Dziedzic <[email protected]>
Date: Sat, 1 Mar 2014 21:41:28 -0800
Subject: [PATCH] Fix undeclared identifier error by using the actual type of
 rl_pre_input_hook

---
 ext/readline/readline.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/ext/readline/readline.c b/ext/readline/readline.c
index 659adb9..7bc0eed 100644
--- a/ext/readline/readline.c
+++ b/ext/readline/readline.c
@@ -1974,7 +1974,7 @@ Init_readline()

     rl_attempted_completion_function = readline_attempted_completion_function;
 #if defined(HAVE_RL_PRE_INPUT_HOOK)
-    rl_pre_input_hook = (Function *)readline_pre_input_hook;
+    rl_pre_input_hook = (rl_hook_func_t *)readline_pre_input_hook;
 #endif
 #ifdef HAVE_RL_CATCH_SIGNALS
     rl_catch_signals = 0;
-- 
1.9.0