$NetBSD: patch-ac,v 1.2 2012/03/07 16:27:35 adam Exp $

--- include/osg/Math.orig	2008-11-23 13:35:43.000000000 +0200
+++ include/osg/Math	2009-01-14 09:49:00.000000000 +0200
@@ -14,7 +14,7 @@
 #ifndef __OSG_MATH
 #define __OSG_MATH
 
-#include <math.h>
+#include <cmath>
 
 #include <osg/Export>
 
@@ -207,14 +207,14 @@
     inline bool isNaN(float v) { return _isnan(v)!=0; }
     inline bool isNaN(double v) { return _isnan(v)!=0; }
 #else
-    #if defined(__APPLE__)
+//    #if defined(__APPLE__)
         inline bool isNaN(float v) { return std::isnan(v); }
         inline bool isNaN(double v) { return std::isnan(v); }
-    #else
-        // Need to use to std::isnan to avoid undef problem from <cmath>
-        inline bool isNaN(float v) { return isnan(v); }
-        inline bool isNaN(double v) { return isnan(v); }
-    #endif
+//    #else
+//        // Need to use to std::isnan to avoid undef problem from <cmath>
+//        inline bool isNaN(float v) { return isnan(v); }
+//        inline bool isNaN(double v) { return isnan(v); }
+//    #endif
 #endif