Program Listing for File visibility_control.hpp
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// Copyright 2018 Open Source Robotics Foundation, Inc.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
#ifndef CAMERA_CALIBRATION_PARSERS__VISIBILITY_CONTROL_HPP_
#define CAMERA_CALIBRATION_PARSERS__VISIBILITY_CONTROL_HPP_
#if __cplusplus
extern "C"
{
#endif
// This logic was borrowed (then namespaced) from the examples on the gcc wiki:
// https://gcc.gnu.org/wiki/Visibility
#if defined _WIN32 || defined __CYGWIN__
#ifdef __GNUC__
#define CAMERA_CALIBRATION_PARSERS_EXPORT __attribute__ ((dllexport))
#define CAMERA_CALIBRATION_PARSERS_IMPORT __attribute__ ((dllimport))
#else
#define CAMERA_CALIBRATION_PARSERS_EXPORT __declspec(dllexport)
#define CAMERA_CALIBRATION_PARSERS_IMPORT __declspec(dllimport)
#endif
#ifdef CAMERA_CALIBRATION_PARSERS_BUILDING_DLL
#define CAMERA_CALIBRATION_PARSERS_PUBLIC CAMERA_CALIBRATION_PARSERS_EXPORT
#else
#define CAMERA_CALIBRATION_PARSERS_PUBLIC CAMERA_CALIBRATION_PARSERS_IMPORT
#endif
#define CAMERA_CALIBRATION_PARSERS_PUBLIC_TYPE CAMERA_CALIBRATION_PARSERS_PUBLIC
#define CAMERA_CALIBRATION_PARSERS_LOCAL
#else
#define CAMERA_CALIBRATION_PARSERS_EXPORT __attribute__ ((visibility("default")))
#define CAMERA_CALIBRATION_PARSERS_IMPORT
#if __GNUC__ >= 4
#define CAMERA_CALIBRATION_PARSERS_PUBLIC __attribute__ ((visibility("default")))
#define CAMERA_CALIBRATION_PARSERS_LOCAL __attribute__ ((visibility("hidden")))
#else
#define CAMERA_CALIBRATION_PARSERS_PUBLIC
#define CAMERA_CALIBRATION_PARSERS_LOCAL
#endif
#define CAMERA_CALIBRATION_PARSERS_PUBLIC_TYPE
#endif
#if __cplusplus
}
#endif
#endif // CAMERA_CALIBRATION_PARSERS__VISIBILITY_CONTROL_HPP_