--- build/config.sub	2014-03-17 03:39:35.000000000 +0100
+++ build/config.sub	2017-06-13 09:44:04.000000000 +0200
@@ -259,7 +259,8 @@
 	| alpha | alphaev[4-8] | alphaev56 | alphaev6[78] | alphapca5[67] \
 	| alpha64 | alpha64ev[4-8] | alpha64ev56 | alpha64ev6[78] | alpha64pca5[67] \
 	| am33_2.0 \
-	| arc | arm | arm[bl]e | arme[lb] | armv[2345] | armv[345][lb] | avr | avr32 \
+	| arc | arm | arm[bl]e | arme[lb] | armv[2345] | armv[345][lb] | arm64 \
+        | avr | avr32 \
         | be32 | be64 \
 	| bfin \
 	| c4x | clipper \
@@ -371,7 +372,7 @@
 	| alpha-* | alphaev[4-8]-* | alphaev56-* | alphaev6[78]-* \
 	| alpha64-* | alpha64ev[4-8]-* | alpha64ev56-* | alpha64ev6[78]-* \
 	| alphapca5[67]-* | alpha64pca5[67]-* | arc-* \
-	| arm-*  | armbe-* | armle-* | armeb-* | armv*-* \
+	| arm-*  | armbe-* | armle-* | armeb-* | armv*-* | arm64-* \
 	| avr-* | avr32-* \
 	| be32-* | be64-* \
 	| bfin-* | bs2000-* \