Index: head/devel/xeus/Makefile
===================================================================
--- head/devel/xeus/Makefile	(revision 538330)
+++ head/devel/xeus/Makefile	(revision 538331)
@@ -1,28 +1,33 @@
 # $FreeBSD$
 
 PORTNAME=	xeus
 DISTVERSION=	0.23.14
+PORTREVISION=	1
 CATEGORIES=	devel
 
 MAINTAINER=	yuri@FreeBSD.org
 COMMENT=	C++ implementation of the Jupyter kernel protocol
 
 LICENSE=	BSD3CLAUSE
 LICENSE_FILE=	${WRKSRC}/LICENSE
 
 BUILD_DEPENDS=	cppzmq>0:net/cppzmq \
 		nlohmann-json>0:devel/nlohmann-json \
 		xtl-quant-stack>0:devel/xtl-quant-stack
 LIB_DEPENDS=	libcryptopp.so:security/cryptopp \
 		libuuid.so:misc/e2fsprogs-libuuid \
 		libzmq.so:net/libzmq4
 
 USES=		cmake compiler:c++14-lang localbase:ldflags pkgconfig ssl
 USE_GITHUB=	yes
 GH_ACCOUNT=	jupyter-xeus
 USE_LDCONFIG=	yes
 
 CMAKE_OFF=	BUILD_STATIC_LIBS
-CMAKE_ON=	DISABLE_ARCH_NATIVE
+
+OPTIONS_DEFINE=		NATIVE
+NATIVE_DESC=		Build with native optimizations (-march=native)
+NATIVE_CMAKE_ON=	-DXEUS_DISABLE_ARCH_NATIVE=OFF
+NATIVE_CMAKE_OFF=	-DXEUS_DISABLE_ARCH_NATIVE=ON
 
 .include <bsd.port.mk>