85 lines
3.5 KiB
C
85 lines
3.5 KiB
C
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/*********************************************************************
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* Software License Agreement (BSD License)
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*
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* Copyright (c) 2008, Willow Garage, 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 Willow Garage 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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/* Author: Thomas Moulard */
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#ifndef URDFDOM_EXPORTDECL_H
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# define URDFDOM_EXPORTDECL_H
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// Handle portable symbol export.
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// Defining manually which symbol should be exported is required
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// under Windows whether MinGW or MSVC is used.
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//
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// The headers then have to be able to work in two different modes:
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// - dllexport when one is building the library,
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// - dllimport for clients using the library.
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//
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// On Linux, set the visibility accordingly. If C++ symbol visibility
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// is handled by the compiler, see: http://gcc.gnu.org/wiki/Visibility
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# if defined _WIN32 || defined __CYGWIN__
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// On Microsoft Windows, use dllimport and dllexport to tag symbols.
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# define URDFDOM_DLLIMPORT __declspec(dllimport)
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# define URDFDOM_DLLEXPORT __declspec(dllexport)
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# define URDFDOM_DLLLOCAL
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# else
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// On Linux, for GCC >= 4, tag symbols using GCC extension.
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# if __GNUC__ >= 4
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# define URDFDOM_DLLIMPORT __attribute__ ((visibility("default")))
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# define URDFDOM_DLLEXPORT __attribute__ ((visibility("default")))
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# define URDFDOM_DLLLOCAL __attribute__ ((visibility("hidden")))
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# else
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// Otherwise (GCC < 4 or another compiler is used), export everything.
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# define URDFDOM_DLLIMPORT
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# define URDFDOM_DLLEXPORT
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# define URDFDOM_DLLLOCAL
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# endif // __GNUC__ >= 4
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# endif // defined _WIN32 || defined __CYGWIN__
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# ifdef URDFDOM_STATIC
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// If one is using the library statically, get rid of
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// extra information.
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# define URDFDOM_DLLAPI
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# define URDFDOM_LOCAL
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# else
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// Depending on whether one is building or using the
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// library define DLLAPI to import or export.
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# ifdef URDFDOM_EXPORTS
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# define URDFDOM_DLLAPI URDFDOM_DLLEXPORT
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# else
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# define URDFDOM_DLLAPI URDFDOM_DLLIMPORT
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# endif // URDFDOM_EXPORTS
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# define URDFDOM_LOCAL URDFDOM_DLLLOCAL
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# endif // URDFDOM_STATIC
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#endif //! URDFDOM_EXPORTDECL_H
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