-#ifdef WNT
-#ifdef VTKVIEWER_EXPORTS
-#define VTKVIEWER_EXPORT __declspec( dllexport )
+// Copyright (C) 2007-2014 CEA/DEN, EDF R&D, OPEN CASCADE
+//
+// Copyright (C) 2003-2007 OPEN CASCADE, EADS/CCR, LIP6, CEA/DEN,
+// CEDRAT, EDF R&D, LEG, PRINCIPIA R&D, BUREAU VERITAS
+//
+// This library is free software; you can redistribute it and/or
+// modify it under the terms of the GNU Lesser General Public
+// License as published by the Free Software Foundation; either
+// version 2.1 of the License, or (at your option) any later version.
+//
+// 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 GNU
+// Lesser General Public License for more details.
+//
+// You should have received a copy of the GNU Lesser General Public
+// License along with this library; if not, write to the Free Software
+// Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+//
+// See http://www.salome-platform.org/ or email : webmaster.salome@opencascade.com
+//
+
+#ifndef VTKVIEWER_H
+#define VTKVIEWER_H
+
+#ifdef WIN32
+# if defined VTKVIEWER_EXPORTS || defined VTKViewer_EXPORTS
+# define VTKVIEWER_EXPORT __declspec( dllexport )
+# else
+# define VTKVIEWER_EXPORT __declspec( dllimport )
+# endif
#else
-#define VTKVIEWER_EXPORT __declspec( dllimport )
+# define VTKVIEWER_EXPORT
#endif
-#else
-#define VTKVIEWER_EXPORT
+
#endif
