65 lines
2.9 KiB
C++
65 lines
2.9 KiB
C++
// 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 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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//
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// * Redistributions in binary form must reproduce the above copyright
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// notice, this list of conditions and the following disclaimer in the
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// documentation and/or other materials provided with the distribution.
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//
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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 from
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// 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 "AS IS"
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// AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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// IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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// ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
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// LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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// CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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// SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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// INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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// CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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// ARISING IN 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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#ifndef ROBOT_LASER_GEOMETRY_VISIBILITY_CONTROL_HPP_
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#define ROBOT_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 ROBOT_LASER_GEOMETRY_EXPORT __attribute__ ((dllexport))
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#define ROBOT_LASER_GEOMETRY_IMPORT __attribute__ ((dllimport))
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#else
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#define ROBOT_LASER_GEOMETRY_EXPORT __declspec(dllexport)
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#define ROBOT_LASER_GEOMETRY_IMPORT __declspec(dllimport)
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#endif
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#ifdef ROBOT_LASER_GEOMETRY_BUILDING_LIBRARY
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#define ROBOT_LASER_GEOMETRY_PUBLIC ROBOT_LASER_GEOMETRY_EXPORT
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#else
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#define ROBOT_LASER_GEOMETRY_PUBLIC ROBOT_LASER_GEOMETRY_IMPORT
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#endif
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#define ROBOT_LASER_GEOMETRY_PUBLIC_TYPE ROBOT_LASER_GEOMETRY_PUBLIC
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#define ROBOT_LASER_GEOMETRY_LOCAL
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#else
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#define ROBOT_LASER_GEOMETRY_EXPORT __attribute__ ((visibility("default")))
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#define ROBOT_LASER_GEOMETRY_IMPORT
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#if __GNUC__ >= 4
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#define ROBOT_LASER_GEOMETRY_PUBLIC __attribute__ ((visibility("default")))
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#define ROBOT_LASER_GEOMETRY_LOCAL __attribute__ ((visibility("hidden")))
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#else
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#define ROBOT_LASER_GEOMETRY_PUBLIC
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#define ROBOT_LASER_GEOMETRY_LOCAL
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#endif
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#define ROBOT_LASER_GEOMETRY_PUBLIC_TYPE
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#endif
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#endif // ROBOT_LASER_GEOMETRY__VISIBILITY_CONTROL_HPP_
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