Index: head/sysutils/b2sum/Makefile
===================================================================
--- head/sysutils/b2sum/Makefile	(revision 387897)
+++ head/sysutils/b2sum/Makefile	(revision 387898)
@@ -1,24 +1,26 @@
 # $FreeBSD$
 
 PORTNAME=	b2sum
 PORTVERSION=	0.0.d${DISTVERSION}
 DISTVERSION=	20150529
 DISTNAME=	blake2_code_${DISTVERSION}${EXTRACT_SUFFX}
 CATEGORIES=	sysutils security
 MASTER_SITES=	http://blake2.net/
 
 MAINTAINER=	bapt@FreeBSD.org
 COMMENT=	fast secure hashing
 
 USES=		zip
 
+ONLY_FOR_ARCH=	amd64
+
 CFLAGS+=	-I../sse
 WRKSRC_SUBDIR=	b2sum
 MAKEFILE=	makefile
 MAKE_ARGS=	CC="${CC}" CFLAGS="${CFLAGS}"
 PLIST_FILES=	bin/b2sum
 
 do-install:
 	${INSTALL_PROGRAM} ${WRKSRC}/${PORTNAME} ${STAGEDIR}${PREFIX}/bin
 
 .include <bsd.port.mk>