vision/include/mrpt/vision/link_pragmas.h

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/* +---------------------------------------------------------------------------+
   |                     Mobile Robot Programming Toolkit (MRPT)               |
   |                          http://www.mrpt.org/                             |
   |                                                                           |
   | Copyright (c) 2005-2017, Individual contributors, see AUTHORS file        |
   | See: http://www.mrpt.org/Authors - All rights reserved.                   |
   | Released under BSD License. See details in http://www.mrpt.org/License    |
   +---------------------------------------------------------------------------+ */

#pragma once

#include <mrpt/config.h>

// ** Important! **
// In each mrpt library, search and replace:
//  MRPT_XXX_EXPORT, MRPT_XXX_IMPORT
//  VISION_IMPEXP, mrpt_xxx_EXPORTS

/*   The macros below for DLL import/export are required for Windows only.
    Mostly all the definitions in this file are copied or at least visiond
     on the file wx/dlimpexp.h, written by Vadim Zeitlin and published
         under the wxWindows licence.
*/
#if defined(MRPT_OS_WINDOWS)
        #define MRPT_VISION_EXPORT __declspec(dllexport)
        #define MRPT_VISION_IMPORT __declspec(dllimport)
#else
#    define MRPT_VISION_EXPORT
#    define MRPT_VISION_IMPORT
#endif

/*  Macros that map to export declaration when building the DLL, to import
        declaration if using it or to nothing at all if we are not compiling as DLL */
#if defined(MRPT_BUILT_AS_DLL)
#       if defined(mrpt_vision_EXPORTS)  /* Building the DLL */
#               define VISION_IMPEXP MRPT_VISION_EXPORT
#       else  /* Using the DLL */
#               define VISION_IMPEXP MRPT_VISION_IMPORT
#       endif
#else /* not making nor using DLL */
#    define VISION_IMPEXP
#endif