Index: head/devel/xeus/Makefile
===================================================================
--- head/devel/xeus/Makefile	(revision 477604)
+++ head/devel/xeus/Makefile	(revision 477605)
@@ -1,28 +1,28 @@
 # $FreeBSD$
 
 PORTNAME=	xeus
 DISTVERSION=	0.13.0
-PORTREVISION=	1
+PORTREVISION=	2
 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
 RUN_DEPENDS=	cppzmq>0:net/cppzmq \
 		nlohmann-json>0:devel/nlohmann-json \
 		xtl-quant-stack>0:devel/xtl-quant-stack
 
-USES=		cmake:outsource localbase:ldflags pkgconfig
+USES=		cmake:outsource compiler:c++14-lang localbase:ldflags pkgconfig
 USE_GITHUB=	yes
 GH_ACCOUNT=	QuantStack
 USE_LDCONFIG=	yes
 
 .include <bsd.port.mk>