1 /*! \file exif-system.h 2 * \brief System specific definitions, not for installation! 3 */ 4 /* 5 * Copyright (c) 2007 Hans Ulrich Niedermann <gp@n-dimensional.de> 6 * 7 * This library is free software; you can redistribute it and/or 8 * modify it under the terms of the GNU Lesser General Public 9 * License as published by the Free Software Foundation; either 10 * version 2 of the License, or (at your option) any later version. 11 * 12 * This library is distributed in the hope that it will be useful, 13 * but WITHOUT ANY WARRANTY; without even the implied warranty of 14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 15 * Lesser General Public License for more details. 16 * 17 * You should have received a copy of the GNU Lesser General Public 18 * License along with this library; if not, write to the 19 * Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, 20 * Boston, MA 02110-1301 USA. 21 */ 22 23 #ifndef EXIF_SYSTEM_H 24 #define EXIF_SYSTEM_H 25 26 #if defined(__GNUC__) && (__GNUC__ >= 2) 27 # define UNUSED(param) UNUSED_PARAM_##param __attribute__((unused)) 28 #else 29 # define UNUSED(param) param 30 #endif 31 32 #endif /* !defined(EXIF_SYSTEM_H) */ 33