| // Copyright 2014 The Crashpad Authors. All rights reserved. |
| // |
| // Licensed under the Apache License, Version 2.0 (the "License"); |
| // you may not use this file except in compliance with the License. |
| // You may obtain a copy of the License at |
| // |
| // http://www.apache.org/licenses/LICENSE-2.0 |
| // |
| // Unless required by applicable law or agreed to in writing, software |
| // distributed under the License is distributed on an "AS IS" BASIS, |
| // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| // See the License for the specific language governing permissions and |
| // limitations under the License. |
| |
| #ifndef CRASHPAD_UTIL_STDLIB_OBJC_H_ |
| #define CRASHPAD_UTIL_STDLIB_OBJC_H_ |
| |
| #include <Availability.h> |
| #include <objc/objc.h> |
| |
| #if __MAC_OS_X_VERSION_MAX_ALLOWED < __MAC_10_8 |
| |
| // In order for the @NO and @YES literals to work, NO and YES must be defined as |
| // __objc_no and __objc_yes. See |
| // https://clang.llvm.org/docs/ObjectiveCLiterals.html. |
| // |
| // NO and YES are defined properly for this purpose in the 10.8 SDK, but not in |
| // earlier SDKs. Because this code is never expected to be compiled with a |
| // compiler that does not understand the modern forms of these boolean |
| // constants, but it may be built with an older SDK, replace the outdated SDK |
| // definitions unconditionally. |
| #undef NO |
| #undef YES |
| #define NO __objc_no |
| #define YES __objc_yes |
| |
| #endif |
| |
| #endif // CRASHPAD_UTIL_STDLIB_OBJC_H_ |
