--- a/misc/winutils/include/libavutil/avassert.h	Sat Aug 31 22:30:29 2019 +0300
+++ /dev/null	Thu Jan 01 00:00:00 1970 +0000
@@ -1,66 +0,0 @@
-/*
- * copyright (c) 2010 Michael Niedermayer <michaelni@gmx.at>
- *
- * This file is part of Libav.
- *
- * Libav 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.
- *
- * Libav 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 Libav; if not, write to the Free Software
- * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
- */
-
-/**
- * @file
- * simple assert() macros that are a bit more flexible than ISO C assert().
- * @author Michael Niedermayer <michaelni@gmx.at>
- */
-
-#ifndef AVUTIL_AVASSERT_H
-#define AVUTIL_AVASSERT_H
-
-#include <stdlib.h>
-#include "avutil.h"
-#include "log.h"
-
-/**
- * assert() equivalent, that is always enabled.
- */
-#define av_assert0(cond) do {                                           \
-    if (!(cond)) {                                                      \
-        av_log(NULL, AV_LOG_FATAL, "Assertion %s failed at %s:%d\n",    \
-               AV_STRINGIFY(cond), __FILE__, __LINE__);                 \
-        abort();                                                        \
-    }                                                                   \
-} while (0)
-
-
-/**
- * assert() equivalent, that does not lie in speed critical code.
- * These asserts() thus can be enabled without fearing speedloss.
- */
-#if defined(ASSERT_LEVEL) && ASSERT_LEVEL > 0
-#define av_assert1(cond) av_assert0(cond)
-#else
-#define av_assert1(cond) ((void)0)
-#endif
-
-
-/**
- * assert() equivalent, that does lie in speed critical code.
- */
-#if defined(ASSERT_LEVEL) && ASSERT_LEVEL > 1
-#define av_assert2(cond) av_assert0(cond)
-#else
-#define av_assert2(cond) ((void)0)
-#endif
-
-#endif /* AVUTIL_AVASSERT_H */