Index: head/devel/cpu_features/Makefile
===================================================================
--- head/devel/cpu_features/Makefile	(revision 557207)
+++ head/devel/cpu_features/Makefile	(revision 557208)
@@ -1,29 +1,29 @@
 # $FreeBSD$
 
 PORTNAME=	cpu_features
 PORTVERSION=	0.4.0
 DISTVERSIONPREFIX=	v
 CATEGORIES=	devel
 
 MAINTAINER=	skreuzer@FreeBSD.org
 COMMENT=	Cross platform C99 library to get cpu features at runtime
 
 LICENSE=	APACHE20
 
-NOT_FOR_ARCHS=		aarch64 armv6 armv7 mips mips64
-NOT_FOR_ARCHS_REASON=	assumes android if on ARM or MIPS
+NOT_FOR_ARCHS=		aarch64 armv6 armv7 mips mips64 riscv64
+NOT_FOR_ARCHS_REASON=	assumes android if on ARM or MIPS; not ported to riscv64
 
 USES=	cmake:insource
 USE_GITHUB=	yes
 GH_ACCOUNT=	google
 
 CFLAGS+=	-fPIC
 
 do-install:
 	${INSTALL_PROGRAM} ${WRKSRC}/list_cpu_features ${STAGEDIR}${PREFIX}/bin
 	${INSTALL_DATA} ${WRKSRC}/libcpu_features.a ${STAGEDIR}${PREFIX}/lib
 	${MKDIR} ${STAGEDIR}${PREFIX}/include/internal
 	${INSTALL_DATA} ${WRKSRC}/include/*.h ${STAGEDIR}${PREFIX}/include
 	${INSTALL_DATA} ${WRKSRC}/include/internal/*.h ${STAGEDIR}${PREFIX}/include/internal
 
 .include <bsd.port.mk>