ui/message_center/message_center_export.h

   1 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
   2 // Use of this source code is governed by a BSD-style license that can be
   3 // found in the LICENSE file.
   4
   5 #ifndef UI_MESSAGE_CENTER_MESSAGE_CENTER_EXPORT_H_
   6 #define UI_MESSAGE_CENTER_MESSAGE_CENTER_EXPORT_H_
   7
   8 // Defines MESSAGE_CENTER_EXPORT so that functionality implemented by the
   9 // message_center module can be exported to consumers.
  10
  11 #if defined(COMPONENT_BUILD)
  12 #if defined(WIN32)
  13
  14 #if defined(MESSAGE_CENTER_IMPLEMENTATION)
  15 #define MESSAGE_CENTER_EXPORT __declspec(dllexport)
  16 #else
  17 #define MESSAGE_CENTER_EXPORT __declspec(dllimport)
  18 #endif  // defined(MESSAGE_CENTER_IMPLEMENTATION)
  19
  20 #else  // defined(WIN32)
  21 #if defined(MESSAGE_CENTER_IMPLEMENTATION)
  22 #define MESSAGE_CENTER_EXPORT __attribute__((visibility("default")))
  23 #else
  24 #define MESSAGE_CENTER_EXPORT
  25 #endif
  26 #endif
  27
  28 #else  // defined(COMPONENT_BUILD)
  29 #define MESSAGE_CENTER_EXPORT
  30 #endif
  31
  32 #endif  // UI_MESSAGE_CENTER_MESSAGE_CENTER_EXPORT_H_