--- config.guess.orig
+++ config.guess
@@ -1152,6 +1152,7 @@ EOF
     *:Darwin:*:*)
 	case `uname -p` in
 	    *86) UNAME_PROCESSOR=i686 ;;
+            arm) UNAME_PROCESSOR=aarch64 ;;
 	    powerpc) UNAME_PROCESSOR=powerpc ;;
 	esac
 	echo ${UNAME_PROCESSOR}-apple-darwin${UNAME_RELEASE}
