From 917c79a7d4f5ca5d85d7d4e8cac9bc5f5f35002a Mon Sep 17 00:00:00 2001
From: Ioannis Tsakpinis <iotsakp@gmail.com>
Date: Mon, 27 Sep 2010 00:13:31 +0000
Subject: [PATCH] Apple's cl_platform.h is missing CL_CALLBACK.

---
 src/native/common/extcl.h | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/src/native/common/extcl.h b/src/native/common/extcl.h
index df1aeffa..00ba98ca 100644
--- a/src/native/common/extcl.h
+++ b/src/native/common/extcl.h
@@ -55,8 +55,12 @@ typedef GLsync              cl_GLsync;
 
 // -----------------[ Callback function typedefs ]-----------------
 
+#ifndef CL_CALLBACK
+    #define CL_CALLBACK
+#endif
+
 // TODO: This is a bug in current CL implementations (AMD's only?), remove when fixed. (used for cl_native_kernel_func)
-#if defined(_WIN32)
+#if defined(_WIN32) || defined(_WIN64)
     #define CL_USER_FUNC_CALLBACK   __cdecl
 #else
     #define CL_USER_FUNC_CALLBACK   CL_CALLBACK