Index: head/math/cln/Makefile
===================================================================
--- head/math/cln/Makefile	(revision 426101)
+++ head/math/cln/Makefile	(revision 426102)
@@ -1,30 +1,30 @@
 # Created by: Ying-Chieh Liao <ijliao@FreeBSD.org>
 # $FreeBSD$
 
 PORTNAME=	cln
 PORTVERSION=	1.3.4
 CATEGORIES=	math devel
 MASTER_SITES=	http://www.ginac.de/CLN/ \
 		http://www.mirrors.wiretapped.net/security/cryptography/libraries/math/cln/ \
 		ftp://ftpthep.physik.uni-mainz.de/pub/gnu/
 
 MAINTAINER=	wen@FreeBSD.org
 COMMENT=	Class Library for Numbers
 
 LIB_DEPENDS=	libgmp.so:math/gmp
 
 GNU_CONFIGURE=	yes
 CONFIGURE_ARGS=	--with-gmp=${LOCALBASE}
 INSTALL_TARGET=	install-strip
 USES=		gmake libtool pathfix pkgconfig tar:bzip2
 USE_LDCONFIG=	yes
 
 INFO=		cln
 
 .include <bsd.port.pre.mk>
 
-.if ${ARCH} == armv6
+.if ${ARCH} == aarch64 || ${ARCH} == armv6
 CPPFLAGS+=	-DNO_ASM
 .endif
 
 .include <bsd.port.post.mk>