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diff --git a/media/libaom/src/aom_ports/arm.h b/media/libaom/src/aom_ports/arm.h
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+/*
+ * Copyright (c) 2016, Alliance for Open Media. All rights reserved
+ *
+ * This source code is subject to the terms of the BSD 2 Clause License and
+ * the Alliance for Open Media Patent License 1.0. If the BSD 2 Clause License
+ * was not distributed with this source code in the LICENSE file, you can
+ * obtain it at www.aomedia.org/license/software. If the Alliance for Open
+ * Media Patent License 1.0 was not distributed with this source code in the
+ * PATENTS file, you can obtain it at www.aomedia.org/license/patent.
+ */
+
+#ifndef AOM_AOM_PORTS_ARM_H_
+#define AOM_AOM_PORTS_ARM_H_
+#include <stdlib.h>
+
+#include "config/aom_config.h"
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+/*ARMv5TE "Enhanced DSP" instructions.*/
+#define HAS_EDSP 0x01
+/*ARMv6 "Parallel" or "Media" instructions.*/
+#define HAS_MEDIA 0x02
+/*ARMv7 optional NEON instructions.*/
+#define HAS_NEON 0x04
+
+int aom_arm_cpu_caps(void);
+
+// Earlier gcc compilers have issues with some neon intrinsics
+#if !defined(__clang__) && defined(__GNUC__) && __GNUC__ == 4 && \
+ __GNUC_MINOR__ <= 6
+#define AOM_INCOMPATIBLE_GCC
+#endif
+
+#ifdef __cplusplus
+} // extern "C"
+#endif
+
+#endif // AOM_AOM_PORTS_ARM_H_