1/*
2 * Copyright (c) 2012,2014 Apple Inc. All Rights Reserved.
3 *
4 * @APPLE_LICENSE_HEADER_START@
5 *
6 * This file contains Original Code and/or Modifications of Original Code
7 * as defined in and that are subject to the Apple Public Source License
8 * Version 2.0 (the 'License'). You may not use this file except in
9 * compliance with the License. Please obtain a copy of the License at
10 * http://www.opensource.apple.com/apsl/ and read it before using this
11 * file.
12 *
13 * The Original Code and all software distributed under the License are
14 * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
15 * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
16 * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
17 * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
18 * Please see the License for the specific language governing rights and
19 * limitations under the License.
20 *
21 * @APPLE_LICENSE_HEADER_END@
22 */
23
24
25#ifndef sec_SOSARCDefines_h
26#define sec_SOSARCDefines_h
27
28#ifndef __has_feature
29#define __has_feature(x) 0
30#endif
31#ifndef __has_extension
32#define __has_extension __has_feature // Compatibility with pre-3.0 compilers.
33#endif
34
35#if __has_feature(objc_arc) && __clang_major__ >= 3
36#define ARC_ENABLED 1
37#endif // __has_feature(objc_arc)
38
39#if !ARC_ENABLED || !defined(__clang__) || __clang_major__ < 3
40
41#ifndef __bridge
42#define __bridge
43#endif
44#ifndef __bridge_retained
45#define __bridge_retained
46#endif
47#ifndef __bridge_transfer
48#define __bridge_transfer
49#endif
50#ifndef __autoreleasing
51#define __autoreleasing
52#endif
53#ifndef __strong
54#define __strong
55#endif
56#ifndef __weak
57#define __weak
58#endif
59#ifndef __unsafe_unretained
60#define __unsafe_unretained
61#endif
62
63#endif // __clang_major__ < 3
64
65#endif
66