/usr/include/osgUtil/Export is in libopenscenegraph-dev 3.2.1-6.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
| 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 | /* -*-c++-*- OpenSceneGraph - Copyright (C) 1998-2006 Robert Osfield
 *
 * This library is open source and may be redistributed and/or modified under
 * the terms of the OpenSceneGraph Public License (OSGPL) version 0.0 or
 * (at your option) any later version.  The full license is in LICENSE file
 * included with this distribution, and on the openscenegraph.org website.
 *
 * This library is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * OpenSceneGraph Public License for more details.
*/
// The following symbol has a underscore suffix for compatibility.
#ifndef OSGUTIL_EXPORT_
#define OSGUTIL_EXPORT_ 1
#include<osg/Config>
#if defined(_MSC_VER) && defined(OSG_DISABLE_MSVC_WARNINGS)
    #pragma warning( disable : 4244 )
    #pragma warning( disable : 4251 )
    #pragma warning( disable : 4267 )
    #pragma warning( disable : 4275 )
    #pragma warning( disable : 4290 )
    #pragma warning( disable : 4786 )
    #pragma warning( disable : 4305 )
    #pragma warning( disable : 4996 )
#endif
#if defined(_MSC_VER) || defined(__CYGWIN__) || defined(__MINGW32__) || defined( __BCPLUSPLUS__) || defined( __MWERKS__)
    #  if defined( OSG_LIBRARY_STATIC )
    #    define OSGUTIL_EXPORT
    #  elif defined( OSGUTIL_LIBRARY )
    #    define OSGUTIL_EXPORT   __declspec(dllexport)
    #  else
    #    define OSGUTIL_EXPORT   __declspec(dllimport)
    #endif
#else
    #define OSGUTIL_EXPORT
#endif
/**
\namespace osgUtil
The osgUtil library provides general purpose utility classes such as update, cull and draw traverses, scene graph operators such a scene graph optimisation, tri stripping, and tessellation.
*/
#endif
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