//
//  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