visibility_control.hpp

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// Copyright (c) 2019, Open Source Robotics Foundation, Inc.
//
// 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 the copyright holder 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 HOLDER OR CONTRIBUTORS BE
// LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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// POSSIBILITY OF SUCH DAMAGE.
 
#ifndef RCPPUTILS__VISIBILITY_CONTROL_HPP_
#define RCPPUTILS__VISIBILITY_CONTROL_HPP_
 
#if defined _WIN32 || defined __CYGWIN__
  #ifdef __GNUC__
    #define RCPPUTILS_EXPORT __attribute__ ((dllexport))
    #define RCPPUTILS_IMPORT __attribute__ ((dllimport))
  #else
    #define RCPPUTILS_EXPORT __declspec(dllexport)
    #define RCPPUTILS_IMPORT __declspec(dllimport)
  #endif
  #ifdef RCPPUTILS_BUILDING_LIBRARY
    #define RCPPUTILS_PUBLIC RCPPUTILS_EXPORT
  #else
    #define RCPPUTILS_PUBLIC RCPPUTILS_IMPORT
  #endif
  #define RCPPUTILS_PUBLIC_TYPE RCPPUTILS_PUBLIC
  #define RCPPUTILS_LOCAL
#else
  #define RCPPUTILS_EXPORT __attribute__ ((visibility("default")))
  #define RCPPUTILS_IMPORT
  #if __GNUC__ >= 4
    #define RCPPUTILS_PUBLIC __attribute__ ((visibility("default")))
    #define RCPPUTILS_LOCAL  __attribute__ ((visibility("hidden")))
  #else
    #define RCPPUTILS_PUBLIC
    #define RCPPUTILS_LOCAL
  #endif
  #define RCPPUTILS_PUBLIC_TYPE
#endif
 
#endif  // RCPPUTILS__VISIBILITY_CONTROL_HPP_