Swiftgram/Source/Base/ASAvailability.h
Garrett Moon 8c3775f5e2 Need to check availability before use of macros. (#3254)
* Need to check availability before use of macros.

* Get rid of PCH and enforce macro definition.

* Remove prefix

* Switch to global warning instead, much better.
2017-04-10 15:06:40 -07:00

44 lines
1.4 KiB
Objective-C

//
// ASAvailability.h
// AsyncDisplayKit
//
// Copyright (c) 2014-present, Facebook, Inc. All rights reserved.
// This source code is licensed under the BSD-style license found in the
// LICENSE file in the root directory of this source tree. An additional grant
// of patent rights can be found in the PATENTS file in the same directory.
//
#import <CoreFoundation/CFBase.h>
#pragma once
#ifndef kCFCoreFoundationVersionNumber_iOS_9_0
#define kCFCoreFoundationVersionNumber_iOS_9_0 1240.10
#endif
#ifndef kCFCoreFoundationVersionNumber_iOS_10_0
#define kCFCoreFoundationVersionNumber_iOS_10_0 1348.00
#endif
#define AS_AT_LEAST_IOS9 (kCFCoreFoundationVersionNumber >= kCFCoreFoundationVersionNumber_iOS_9_0)
#define AS_AT_LEAST_IOS10 (kCFCoreFoundationVersionNumber >= kCFCoreFoundationVersionNumber_iOS_10_0)
// If Yoga is available, make it available anywhere we use ASAvailability.
// This reduces Yoga-specific code in other files.
#ifndef YOGA_HEADER_PATH
#define YOGA_HEADER_PATH <Yoga/Yoga.h>
#endif
#ifndef YOGA
#define YOGA __has_include(YOGA_HEADER_PATH)
#endif
#define AS_PIN_REMOTE_IMAGE __has_include(<PINRemoteImage/PINRemoteImage.h>)
#define AS_IG_LIST_KIT __has_include(<IGListKit/IGListKit.h>)
/**
* For IGListKit versions < 3.0, you have to use IGListCollectionView.
* For 3.0 and later, that class is removed and you use UICollectionView.
*/
#define IG_LIST_COLLECTION_VIEW __has_include(<IGListKit/IGListCollectionView.h>)