Index: head/security/nflib/Makefile
===================================================================
--- head/security/nflib/Makefile	(revision 526771)
+++ head/security/nflib/Makefile	(revision 526772)
@@ -1,26 +1,29 @@
 # $FreeBSD$
 
 PORTNAME=	nflib
 DISTVERSIONPREFIX=	v
 DISTVERSION=	1.0.0-23
 DISTVERSIONSUFFIX=	-g5cf40ed
 CATEGORIES=	security math
 
 MAINTAINER=	yuri@FreeBSD.org
 COMMENT=	NTT-based fast lattice cryptography library
 
 LICENSE=	MIT
 LICENSE_FILE=	${WRKSRC}/MIT_LICENSE.txt
 
+ONLY_FOR_ARCHS=		amd64 i386
+ONLY_FOR_ARCHS_REASON=	unconditionally includes amd64 assembler code
+
 LIB_DEPENDS=	libmpfr.so:math/mpfr \
 		libgmp.so:math/gmp
 
 USES=		cmake compiler:c++11-lang localbase
 USE_GITHUB=	yes
 GH_ACCOUNT=	quarkslab
 GH_PROJECT=	NFLlib
 USE_LDCONFIG=	yes
 
 TEST_TARGET=	test
 
 .include <bsd.port.mk>