Index: head/devel/zydis/Makefile
===================================================================
--- head/devel/zydis/Makefile	(revision 542770)
+++ head/devel/zydis/Makefile	(revision 542771)
@@ -1,21 +1,24 @@
 # $FreeBSD$
 
 PORTNAME=	zydis
 DISTVERSIONPREFIX=	v
 DISTVERSION=	3.1.0
 CATEGORIES=	devel
 
 MAINTAINER=	freebsd@sysctl.cz
 COMMENT=	Fast and lightweight x86/x86-64 disassembler library
 
 LICENSE=	MIT
 LICENSE_FILE=	${WRKSRC}/LICENSE
 
+ONLY_FOR_ARCHS=		aarch64 amd64 armv6 armv7 i386
+ONLY_FOR_ARCHS_REASON=	see definitions in include/Zycore/Defines.h
+
 USES=		cmake localbase:ldflags
 USE_GITHUB=	yes
 GH_ACCOUNT=	zyantific
 GH_PROJECT=	zydis
 
 GH_TUPLE=	zyantific:zycore-c:273e26a:zydis/dependencies/zycore
 
 .include <bsd.port.mk>