attributes_internal.h (1362B)
1 /* 2 * This file is part of FFmpeg. 3 * 4 * FFmpeg is free software; you can redistribute it and/or 5 * modify it under the terms of the GNU Lesser General Public 6 * License as published by the Free Software Foundation; either 7 * version 2.1 of the License, or (at your option) any later version. 8 * 9 * FFmpeg is distributed in the hope that it will be useful, 10 * but WITHOUT ANY WARRANTY; without even the implied warranty of 11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 12 * Lesser General Public License for more details. 13 * 14 * You should have received a copy of the GNU Lesser General Public 15 * License along with FFmpeg; if not, write to the Free Software 16 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA 17 */ 18 19 #ifndef AVUTIL_ATTRIBUTES_INTERNAL_H 20 #define AVUTIL_ATTRIBUTES_INTERNAL_H 21 22 #include "attributes.h" 23 24 #if (AV_GCC_VERSION_AT_LEAST(4,0) || defined(__clang__)) && (defined(__ELF__) || defined(__MACH__)) 25 # define attribute_visibility_hidden __attribute__((visibility("hidden"))) 26 # define FF_VISIBILITY_PUSH_HIDDEN _Pragma("GCC visibility push(hidden)") 27 # define FF_VISIBILITY_POP_HIDDEN _Pragma("GCC visibility pop") 28 #else 29 # define attribute_visibility_hidden 30 # define FF_VISIBILITY_PUSH_HIDDEN 31 # define FF_VISIBILITY_POP_HIDDEN 32 #endif 33 34 #endif /* AVUTIL_ATTRIBUTES_INTERNAL_H */