Program Listing for File visibility_control.hpp
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// Copyright (c) 2017, 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
// CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
// SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
// INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
// CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
// ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
// POSSIBILITY OF SUCH DAMAGE.
/* This header must be included by all kdl_parser headers which declare symbols
* which are defined in the kdl_parser library. When not building the kdl_parser
* library, i.e. when using the headers in other package's code, the contents
* of this header change the visibility of certain symbols which the kdl_parser
* library cannot have, but the consuming code must have in order to link.
*/
#ifndef KDL_PARSER__VISIBILITY_CONTROL_HPP_
#define KDL_PARSER__VISIBILITY_CONTROL_HPP_
// 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 KDL_PARSER_EXPORT __attribute__ ((dllexport))
#define KDL_PARSER_IMPORT __attribute__ ((dllimport))
#else
#define KDL_PARSER_EXPORT __declspec(dllexport)
#define KDL_PARSER_IMPORT __declspec(dllimport)
#endif
#ifdef KDL_PARSER_BUILDING_DLL
#define KDL_PARSER_PUBLIC KDL_PARSER_EXPORT
#else
#define KDL_PARSER_PUBLIC KDL_PARSER_IMPORT
#endif
#define KDL_PARSER_PUBLIC_TYPE KDL_PARSER_PUBLIC
#define KDL_PARSER_LOCAL
#else
#define KDL_PARSER_EXPORT __attribute__ ((visibility("default")))
#define KDL_PARSER_IMPORT
#if __GNUC__ >= 4
#define KDL_PARSER_PUBLIC __attribute__ ((visibility("default")))
#define KDL_PARSER_LOCAL __attribute__ ((visibility("hidden")))
#else
#define KDL_PARSER_PUBLIC
#define KDL_PARSER_LOCAL
#endif
#define KDL_PARSER_PUBLIC_TYPE
#endif
#endif // KDL_PARSER__VISIBILITY_CONTROL_HPP_