ui/accelerometer/ui_accelerometer_export.h

   1 // Copyright 2014 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_ACCELEROMETER_UI_ACCELEROMETER_EXPORT_H_
   6 #define UI_ACCELEROMETER_UI_ACCELEROMETER_EXPORT_H_
   7
   8 // Defines UI_ACCELEROMETER_EXPORT so that functionality implemented by the UI
   9 // accelerometer module can be exported to consumers.
  10
  11 #if defined(COMPONENT_BUILD)
  12
  13 #if defined(WIN32)
  14
  15 #if defined(UI_ACCELEROMETER_IMPLEMENTATION)
  16 #define UI_ACCELEROMETER_EXPORT __declspec(dllexport)
  17 #else
  18 #define UI_ACCELEROMETER_EXPORT __declspec(dllimport)
  19 #endif
  20
  21 #else  // !defined(WIN32)
  22
  23 #if defined(UI_ACCELEROMETER_IMPLEMENTATION)
  24 #define UI_ACCELEROMETER_EXPORT __attribute__((visibility("default")))
  25 #else
  26 #define UI_ACCELEROMETER_EXPORT
  27 #endif
  28
  29 #endif
  30
  31 #else  // !defined(COMPONENT_BUILD)
  32
  33 #define UI_ACCELEROMETER_EXPORT
  34
  35 #endif
  36
  37 #endif  // UI_ACCELEROMETER_UI_ACCELEROMETER_EXPORT_H_