base_export.h

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// Copyright (c) 2012 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
 
#ifndef BASE_BASE_EXPORT_H_
#define BASE_BASE_EXPORT_H_
 
#if defined(COMPONENT_BUILD)
#if defined(WIN32)
 
#if defined(BASE_IMPLEMENTATION)
#define BASE_EXPORT __declspec(dllexport)
#else
#define BASE_EXPORT __declspec(dllimport)
#endif  // defined(BASE_IMPLEMENTATION)
 
#else  // defined(WIN32)
#if defined(BASE_IMPLEMENTATION)
#define BASE_EXPORT __attribute__((visibility("default")))
#else
#define BASE_EXPORT
#endif  // defined(BASE_IMPLEMENTATION)
#endif
 
#else  // defined(COMPONENT_BUILD)
#define BASE_EXPORT
#endif
 
#endif  // BASE_BASE_EXPORT_H_