From 811efc8276e9ffd6adf95d8e954d8cac40ed49ef Mon Sep 17 00:00:00 2001
From: naruse <naruse@b2dd03c8-39d4-4d8f-98ff-823fe69b080e>
Date: Fri, 7 Dec 2012 02:55:28 +0000
Subject: Add declaration of rb_warn

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@38244 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
---
 ext/refinement/refinement.c | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/ext/refinement/refinement.c b/ext/refinement/refinement.c
index 43ec2fb8b0..44ffd2a0b8 100644
--- a/ext/refinement/refinement.c
+++ b/ext/refinement/refinement.c
@@ -1,4 +1,11 @@
 void ruby_Init_refinement(void);
+#ifdef __GNUC__
+#define PRINTF_ARGS(decl, string_index, first_to_check) \
+  decl __attribute__((format(printf, string_index, first_to_check)))
+#else
+#define PRINTF_ARGS(decl, string_index, first_to_check) decl
+#endif
+PRINTF_ARGS(void rb_warn(const char*, ...), 1, 2);
 
 void
 Init_refinement(void)
-- 
cgit v1.2.3