Index: head/devel/ignition-msgs/Makefile
===================================================================
--- head/devel/ignition-msgs/Makefile	(revision 486372)
+++ head/devel/ignition-msgs/Makefile	(revision 486373)
@@ -1,30 +1,30 @@
 # $FreeBSD$
 
 PORTNAME=	ignition-msgs
 DISTVERSION=	3.0.0
 CATEGORIES=	devel
 MASTER_SITES=	https://bitbucket.org/${BB_ACCOUNT}/${BB_PROJECT}/get/${BB_COMMIT}.tar.gz?dummy=/
 
 MAINTAINER=	yuri@FreeBSD.org
 COMMENT=	Protobuf messages and functions for robot applications
 
 LICENSE=	APACHE20
 
 BUILD_DEPENDS=	ignition-cmake==2:devel/ignition-cmake \
 		ignition-tools>0:devel/ignition-tools
 LIB_DEPENDS=	libprotobuf.so:devel/protobuf \
 		libignition-math6.so:math/ignition-math
 
-USES=		cmake:outsource
+USES=		compiler:c++11-lang cmake:outsource
 USE_RUBY=	yes
 USE_LDCONFIG=	yes
 
 BB_ACCOUNT=	ignitionrobotics
 BB_PROJECT=	ign-msgs
 BB_COMMIT=	4a1cbcabff7d
 
 WRKSRC=		${WRKDIR}/${BB_ACCOUNT}-${BB_PROJECT}-${BB_COMMIT}
 
 PLIST_SUB=	MSGS_IGN_VER=msgs${DISTVERSION:R:R}
 
 .include <bsd.port.mk>