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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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