+// Copyright (C) 2007-2016 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
+//
+
+// Author : OPEN CASCADE
// File: GLViewer.h
// Created: November, 2004
-// Author: OCC team
-// Copyright (C) CEA 2004
-
-// Macro for exports
-#ifdef WNT
+//! Macro for exports
+//
+#ifdef WIN32
-#ifdef GLVIEWER_EXPORTS
-#define GLVIEWER_EXPORT __declspec(dllexport)
+#if defined GLVIEWER_EXPORTS || defined GLViewer_EXPORTS
+#define GLVIEWER_API __declspec(dllexport)
#else
-#define GLVIEWER_EXPORT __declspec(dllimport)
+#define GLVIEWER_API __declspec(dllimport)
#endif
+
#else
-#define GLVIEWER_EXPORT
-#endif // WNT
+#define GLVIEWER_API
+#endif // WIN32
-#ifndef PI
-#define PI 3.14159265359
-#endif
