From: YOKOTA Hiroshi <yokota.hgml@gmail.com>
Date: Wed, 13 Oct 2021 07:59:13 +0900
Subject: Guard ARM v8 feature from old architecture

Forwarded: https://sourceforge.net/p/sevenzip/patches/369/

Index: mame/3rdparty/lzma/C/7zCrc.c
===================================================================
--- mame.orig/3rdparty/lzma/C/7zCrc.c
+++ mame/3rdparty/lzma/C/7zCrc.c
@@ -84,8 +84,9 @@ UInt32 Z7_FASTCALL CrcUpdateT1(UInt32 v,
     #endif
     #endif
     #endif
-  #elif (defined(__clang__) && (__clang_major__ >= 3)) \
-     || (defined(__GNUC__) && (__GNUC__ > 4))
+  #elif ( (defined(__clang__) && (__clang_major__ >= 3)) ||	 \
+          (defined(__GNUC__)  && (__GNUC__ > 4)        )    ) && \
+        (__ARM_ARCH >= 8)
       #if !defined(__ARM_FEATURE_CRC32)
         #define __ARM_FEATURE_CRC32 1
         #if defined(__clang__)