From 86624aa2d7714fc8da85f7f82af1ddd382c8ebd3 Mon Sep 17 00:00:00 2001
From: akr <akr@b2dd03c8-39d4-4d8f-98ff-823fe69b080e>
Date: Tue, 13 Nov 2007 16:54:27 +0000
Subject: * missing/isinf.c (isinf): don't define is the macro is defined.

git-svn-id: http://svn.ruby-lang.org/repos/ruby/trunk@13915 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
---
 missing/isinf.c | 7 +++++++
 1 file changed, 7 insertions(+)

(limited to 'missing')

diff --git a/missing/isinf.c b/missing/isinf.c
index eecb3eb49..4aef51b21 100644
--- a/missing/isinf.c
+++ b/missing/isinf.c
@@ -27,11 +27,18 @@ isinf(double n)
 #include <ieeefp.h>
 #endif
 
+/* 
+ * isinf may be provided only as a macro.
+ * ex. HP-UX, Solaris 10
+ * http://www.gnu.org/software/automake/manual/autoconf/Function-Portability.html
+ */
+#ifndef isinf
 int
 isinf(double n)
 {
     return (!finite(n) && !isnan(n));
 }
+#endif
 
 #else
 
-- 
cgit