70 lines
3.0 KiB
C++
70 lines
3.0 KiB
C++
/*********************************************************************
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* Software License Agreement (BSD License)
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*
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* Copyright (c) 2017, Open Source Robotics Foundation, Inc.
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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*
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* * Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* * Redistributions in binary form must reproduce the above
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* copyright notice, this list of conditions and the following
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* disclaimer in the documentation and/or other materials provided
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* with the distribution.
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* * Neither the name of the copyright holder nor the names of its
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* contributors may be used to endorse or promote products derived
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* from this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
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* FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
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* COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
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* BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
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* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
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* CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
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* ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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* POSSIBILITY OF SUCH DAMAGE.
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*********************************************************************/
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#ifndef LASER_GEOMETRY__VISIBILITY_CONTROL_HPP_
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#define LASER_GEOMETRY__VISIBILITY_CONTROL_HPP_
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// This logic was borrowed (then namespaced) from the examples on the gcc wiki:
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// https://gcc.gnu.org/wiki/Visibility
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#if defined _WIN32 || defined __CYGWIN__
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#ifdef __GNUC__
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#define LASER_GEOMETRY_EXPORT __attribute__ ((dllexport))
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#define LASER_GEOMETRY_IMPORT __attribute__ ((dllimport))
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#else
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#define LASER_GEOMETRY_EXPORT __declspec(dllexport)
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#define LASER_GEOMETRY_IMPORT __declspec(dllimport)
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#endif
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#ifdef LASER_GEOMETRY_BUILDING_LIBRARY
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#define LASER_GEOMETRY_PUBLIC LASER_GEOMETRY_EXPORT
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#else
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#define LASER_GEOMETRY_PUBLIC LASER_GEOMETRY_IMPORT
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#endif
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#define LASER_GEOMETRY_PUBLIC_TYPE LASER_GEOMETRY_PUBLIC
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#define LASER_GEOMETRY_LOCAL
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#else
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#define LASER_GEOMETRY_EXPORT __attribute__ ((visibility("default")))
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#define LASER_GEOMETRY_IMPORT
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#if __GNUC__ >= 4
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#define LASER_GEOMETRY_PUBLIC __attribute__ ((visibility("default")))
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#define LASER_GEOMETRY_LOCAL __attribute__ ((visibility("hidden")))
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#else
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#define LASER_GEOMETRY_PUBLIC
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#define LASER_GEOMETRY_LOCAL
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#endif
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#define LASER_GEOMETRY_PUBLIC_TYPE
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#endif
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#endif // LASER_GEOMETRY__VISIBILITY_CONTROL_HPP_
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