RenderCore/Base/RCAvailability.h (8 lines of code) (raw):

/* * 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 <Availability.h> #import <AvailabilityInternal.h> #import <CoreFoundation/CFBase.h> #define RC_AT_LEAST_IOS9 (kCFCoreFoundationVersionNumber >= 1223.1) #define RC_AT_LEAST_IOS10_BETA_4 (kCFCoreFoundationVersionNumber >= 1345.0) #define RC_AT_LEAST_IOS11 (kCFCoreFoundationVersionNumber >= 1429.15) #define RC_AT_LEAST_IOS11_3 (kCFCoreFoundationVersionNumber >= 1452.23) #define RC_AT_LEAST_IOS12 (kCFCoreFoundationVersionNumber >= 1556.00)