third_party/blink/renderer/platform/platform_export.h

/*
 * Copyright (C) 2013 Google Inc. All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions are
 * met:
 *
 *     * Redistributions of source code must retain the above copyright
 * notice, this list of conditions and the following disclaimer.
 *     * Redistributions in binary form must reproduce the above
 * copyright notice, this list of conditions and the following disclaimer
 * in the documentation and/or other materials provided with the
 * distribution.
 *     * Neither the name of Google Inc. nor the names of its
 * contributors may be used to endorse or promote products derived from
 * this software without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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 */

// This header defines the following macros to export component's symbols.
//
// - PLATFORM_EXPORT
//   Exports non-template symbols.

#ifndef THIRD_PARTY_BLINK_RENDERER_PLATFORM_PLATFORM_EXPORT_H_
#define THIRD_PARTY_BLINK_RENDERER_PLATFORM_PLATFORM_EXPORT_H_

#include "build/build_config.h"

//
// BLINK_PLATFORM_IMPLEMENTATION
//
#if !defined(BLINK_PLATFORM_IMPLEMENTATION)
#define BLINK_PLATFORM_IMPLEMENTATION 0
#endif

//
// PLATFORM_EXPORT
//
#if !defined(COMPONENT_BUILD)
#define PLATFORM_EXPORT  // No need of export
#else

#if defined(COMPILER_MSVC)
#if BLINK_PLATFORM_IMPLEMENTATION
#define PLATFORM_EXPORT __declspec(dllexport)
#else
#define PLATFORM_EXPORT __declspec(dllimport)
#endif
#endif  // defined(COMPILER_MSVC)

#if defined(COMPILER_GCC)
#if BLINK_PLATFORM_IMPLEMENTATION
#define PLATFORM_EXPORT __attribute__((visibility("default")))
#else
#define PLATFORM_EXPORT
#endif
#endif  // defined(COMPILER_GCC)

#endif  // !defined(COMPONENT_BUILD)

#endif  // THIRD_PARTY_BLINK_RENDERER_PLATFORM_PLATFORM_EXPORT_H_