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- /*
- * 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 RTC_BASE_IGNORE_WUNDEF_H_
- #define RTC_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 // RTC_BASE_IGNORE_WUNDEF_H_
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