1 files changed, 47 insertions, 0 deletions
diff --git a/contrib/ffmpeg/libpostproc/mangle.h b/contrib/ffmpeg/libpostproc/mangle.h
new file mode 100644
index 000000000..3521fa9bb
--- /dev/null
+++ b/contrib/ffmpeg/libpostproc/mangle.h
@@ -0,0 +1,47 @@
+/*
+ * mangle.h - This file has some CPP macros to deal with different symbol
+ * mangling across binary formats.
+ *
+ * (c)2002 by Felix Buenemann <atmosfear at users.sourceforge.net>
+ *
+ * This file is part of FFmpeg.
+ *
+ * FFmpeg is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * FFmpeg 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 General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with FFmpeg; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
+ */
+
+#ifndef __MANGLE_H
+#define __MANGLE_H
+
+/* Feel free to add more to the list, eg. a.out IMO */
+/* Use rip-relative addressing if compiling PIC code on x86-64. */
+#if defined(__CYGWIN__) || defined(__MINGW32__) || defined(__OS2__) || \
+   (defined(__OpenBSD__) && !defined(__ELF__))
+#if defined(ARCH_X86_64) && defined(PIC)
+#define MANGLE(a) "_" #a"(%%rip)"
+#else
+#define MANGLE(a) "_" #a
+#endif
+#else
+#if defined(ARCH_X86_64) && defined(PIC)
+#define MANGLE(a) #a"(%%rip)"
+#elif defined(CONFIG_DARWIN)
+#define MANGLE(a) "_" #a
+#else
+#define MANGLE(a) #a
+#endif
+#endif
+
+#endif /* !__MANGLE_H */
+