text: // Copyright 2017 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 COMPONENTS_ARC_ARC_EXPORT_H_
  #define COMPONENTS_ARC_ARC_EXPORT_H_
  
  #if !defined(OS_CHROMEOS)
  #error "ARC can be built only for Chrome OS."
  #endif  // defined(OS_CHROMEOS)
  
  #if defined(COMPONENT_BUILD) && defined(ARC_IMPLEMENTATION)
  #define ARC_EXPORT __attribute__((visibility("default")))
  #else  // !defined(COMPONENT_BUILD) || !defined(ARC_IMPLEMENTATION)
  #define ARC_EXPORT
  #endif
  
  #endif  // COMPONENTS_ARC_ARC_EXPORT_H_
  