gistfile1.diff

Index: hash.c
===================================================================
--- hash.c  (revision 44369)
+++ hash.c  (revision 44370)
@@ -1169,7 +1169,7 @@
 #endif
    }
     }
-#if HASH_REJECT_COPY_MISC_ATTRIBUTES
+#if HASH_REJECT_COPY_EXTRA_STATES
     result = rb_hash_dup_empty(hash);
 #else
     result = rb_hash_new();
Index: ext/readline/readline.c
===================================================================
--- ext/readline/readline.c  (revision 45224)
+++ ext/readline/readline.c  (revision 45225)
@@ -1974,7 +1974,7 @@
 
     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;
Index: ext/readline/extconf.rb
===================================================================
--- ext/readline/extconf.rb  (revision 45239)
+++ ext/readline/extconf.rb  (revision 45240)
@@ -19,6 +19,10 @@
   return super(func, headers)
 end
 
+def readline.have_type(type)
+  return super(type, headers)
+end
+
 dir_config('curses')
 dir_config('ncurses')
 dir_config('termcap')
@@ -94,4 +98,8 @@
 readline.have_func("rl_redisplay")
 readline.have_func("rl_insert_text")
 readline.have_func("rl_delete_text")
+unless readline.have_type("rl_hook_func_t")
+  $DEFS << "-Drl_hook_func_t=Function"
+end
+
 create_makefile("readline")