From 419741442d016689ff602d553fd53df8be9433e4 Mon Sep 17 00:00:00 2001
From: manuelk <mkraemer@pixar.com>
Date: Tue, 11 Dec 2012 13:50:27 -0800
Subject: [PATCH] defining M_PI to fix some compiler errors on OSX 10.8

fixes #44
---
 opensubdiv/osd/clKernel.cl | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/opensubdiv/osd/clKernel.cl b/opensubdiv/osd/clKernel.cl
index 645e93fd..98931723 100644
--- a/opensubdiv/osd/clKernel.cl
+++ b/opensubdiv/osd/clKernel.cl
@@ -55,6 +55,10 @@
 //     a particular purpose and non-infringement.
 //
 
+#ifndef M_PI
+    #define M_PI 3.14159265358979323846  // fix for OSX 10.8 (M_PI is in the Khronos standard...)
+#endif
+
 struct Vertex
 {
     float v[NUM_VERTEX_ELEMENTS];