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/*=========================================================================
Program: Visualization Toolkit
Module: vtkCocoaMacOSXSDKCompatibility.h
Copyright (c) Ken Martin, Will Schroeder, Bill Lorensen
All rights reserved.
See Copyright.txt or http://www.kitware.com/Copyright.htm for details.
This software is distributed WITHOUT ANY WARRANTY; without even
the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
PURPOSE. See the above copyright notice for more information.
=========================================================================*/
// .NAME vtkCocoaMacOSXSDKCompatibility - Compatibility header
// .SECTION Description
// VTK requires the Mac OS X 10.6 SDK or later.
// However, this file is meant to allow us to use features from newer
// SDKs by adding workarounds to still support the minimum SDK.
// It is safe to include this header multiple times.
#include <AvailabilityMacros.h>
#if MAC_OS_X_VERSION_MAX_ALLOWED < 1060
#error VTK requires the Mac OS X 10.6 SDK or later
#endif
#if MAC_OS_X_VERSION_MIN_REQUIRED < 1060
#error VTK requires a deployment target of Mac OS X 10.6 or later
#endif
// __has_feature is new in the 10.7 SDK, define it here if it's not yet defined.
#ifndef __has_feature
#define __has_feature(x) 0
#endif
// Create handy #defines that indicate the Objective-C memory management model.
// Manual Retain Release, Automatic Reference Counting, or Garbage Collection.
#if defined(__OBJC_GC__)
#define VTK_OBJC_IS_MRR 0
#define VTK_OBJC_IS_ARC 0
#define VTK_OBJC_IS_GC 1
#elif __has_feature(objc_arc)
#define VTK_OBJC_IS_MRR 0
#define VTK_OBJC_IS_ARC 1
#define VTK_OBJC_IS_GC 0
#else
#define VTK_OBJC_IS_MRR 1
#define VTK_OBJC_IS_ARC 0
#define VTK_OBJC_IS_GC 0
#endif
#if __has_feature(objc_arc)
#error VTK does not yet support ARC memory management
#endif
// VTK-HeaderTest-Exclude: vtkCocoaMacOSXSDKCompatibility.h
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