| /* |
| * Copyright (c) 2016 The WebRTC project authors. All Rights Reserved. |
| * |
| * Use of this source code is governed by a BSD-style license |
| * that can be found in the LICENSE file in the root of the source |
| * tree. An additional intellectual property rights grant can be found |
| * in the file PATENTS. All contributing project authors may |
| * be found in the AUTHORS file in the root of the source tree. |
| */ |
| |
| #ifndef WEBRTC_BASE_IGNORE_WUNDEF_H_ |
| #define WEBRTC_BASE_IGNORE_WUNDEF_H_ |
| |
| // If a header file uses #if on possibly undefined macros (and it's for some |
| // reason not possible to just fix the header file), include it like this: |
| // |
| // RTC_PUSH_IGNORING_WUNDEF() |
| // #include "misbehaving_header.h" |
| // RTC_POP_IGNORING_WUNDEF() |
| // |
| // This will cause the compiler to not emit -Wundef warnings for that file. |
| |
| #ifdef __clang__ |
| #define RTC_PUSH_IGNORING_WUNDEF() \ |
| _Pragma("clang diagnostic push") \ |
| _Pragma("clang diagnostic ignored \"-Wundef\"") |
| #define RTC_POP_IGNORING_WUNDEF() _Pragma("clang diagnostic pop") |
| #else |
| #define RTC_PUSH_IGNORING_WUNDEF() |
| #define RTC_POP_IGNORING_WUNDEF() |
| #endif // __clang__ |
| |
| #endif // WEBRTC_BASE_IGNORE_WUNDEF_H_ |
