50 lines
1.8 KiB
C++
50 lines
1.8 KiB
C++
// Copyright 2015 Open Source Robotics Foundation, Inc.
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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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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