diff -urN chrpath-0.13/config.guess chrpath-0.13-aarch64/config.guess

--- chrpath-0.13/config.guess	2002-04-01 06:18:37.000000000 -0600

+++ chrpath-0.13-aarch64/config.guess	2013-03-07 21:01:24.604531606 -0600

@@ -637,6 +705,9 @@

     i*86:Minix:*:*)

 	echo ${UNAME_MACHINE}-pc-minix

 	exit 0 ;;

+    aarch64:Linux:*:*)

+	echo ${UNAME_MACHINE}-unknown-linux-gnu

+	exit ;;

     arm*:Linux:*:*)

 	echo ${UNAME_MACHINE}-unknown-linux-gnu

 	exit 0 ;;

diff -urN chrpath-0.13/config.sub chrpath-0.13-aarch64/config.sub

--- chrpath-0.13/config.sub	2002-04-01 06:18:37.000000000 -0600

+++ chrpath-0.13-aarch64/config.sub	2013-03-07 21:01:24.647526709 -0600

@@ -226,6 +255,7 @@

 	# Some are omitted here because they have special meanings below.

 	1750a | 580 \

 	| a29k \

+	| aarch64 | aarch64_be \

 	| alpha | alphaev[4-8] | alphaev56 | alphaev6[78] | alphapca5[67] \

 	| alpha64 | alpha64ev[4-8] | alpha64ev56 | alpha64ev6[78] | alpha64pca5[67] \

 	| arc | arm | arm[bl]e | arme[lb] | armv[2345] | armv[345][lb] | avr \

@@ -278,6 +367,7 @@

 	# Recognize the basic CPU types with company name.

 	580-* \

 	| a29k-* \

+	| aarch64-* | aarch64_be-* \

 	| alpha-* | alphaev[4-8]-* | alphaev56-* | alphaev6[78]-* \

 	| alpha64-* | alpha64ev[4-8]-* | alpha64ev56-* | alpha64ev6[78]-* \

 	| alphapca5[67]-* | alpha64pca5[67]-* | arc-* \