From d0d1df0611461f2ab909df3c252babbbad446e13 Mon Sep 17 00:00:00 2001
From: usa <usa@b2dd03c8-39d4-4d8f-98ff-823fe69b080e>
Date: Mon, 23 May 2016 11:21:11 +0000
Subject: * ext/bigdecimal/bigdecimal.c (isfinite): get rid of a warning on  
 cygwin. [Bug #12417][ruby-core:75691]

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@55133 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
---
 ChangeLog                   | 5 +++++
 ext/bigdecimal/bigdecimal.c | 2 +-
 2 files changed, 6 insertions(+), 1 deletion(-)

diff --git a/ChangeLog b/ChangeLog
index 312e9e3fd3..6f9f488d4f 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,8 @@
+Mon May 23 20:20:12 2016  NAKAMURA Usaku  <usa@ruby-lang.org>
+
+	* ext/bigdecimal/bigdecimal.c (isfinite): get rid of a warning on
+	  cygwin. [Bug #12417][ruby-core:75691]
+
 Mon May 23 19:41:27 2016  Kazuki Yamaguchi  <k@rhe.jp>
 
 	* ext/openssl/ossl_rand.c (ossl_rand_egd, ossl_rand_egd_bytes):
diff --git a/ext/bigdecimal/bigdecimal.c b/ext/bigdecimal/bigdecimal.c
index 1354242b0b..c9afdf3e04 100644
--- a/ext/bigdecimal/bigdecimal.c
+++ b/ext/bigdecimal/bigdecimal.c
@@ -30,7 +30,7 @@
 #include <ieeefp.h>
 #endif
 
-#if !defined(HAVE_ISFINITE) && defined(HAVE_FINITE)
+#if !defined(HAVE_ISFINITE) && defined(HAVE_FINITE) && !defined(isfinite)
 # define isfinite(x) finite(x)
 #endif
 
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