From e2f2cf425c2802980d02f07075b1f7320bad305a Mon Sep 17 00:00:00 2001
From: nobu <nobu@b2dd03c8-39d4-4d8f-98ff-823fe69b080e>
Date: Sun, 16 May 2010 02:39:18 +0000
Subject: * include/ruby/missing.h (signbit): add missing prototype.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@27807 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
---
 include/ruby/missing.h | 4 ++++
 1 file changed, 4 insertions(+)

(limited to 'include/ruby')

diff --git a/include/ruby/missing.h b/include/ruby/missing.h
index 18dabaa5b3..cde1baa5dd 100644
--- a/include/ruby/missing.h
+++ b/include/ruby/missing.h
@@ -159,6 +159,10 @@ RUBY_EXTERN size_t strlcpy(char *, const char*, size_t);
 RUBY_EXTERN size_t strlcat(char *, const char*, size_t);
 #endif
 
+#ifndef HAVE_SIGNBIT
+RUBY_EXTERN int signbit(double x);
+#endif
+
 #ifndef HAVE_FFS
 RUBY_EXTERN int ffs(int);
 #endif
-- 
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