Index: head/science/openkim-models/Makefile
===================================================================
--- head/science/openkim-models/Makefile	(revision 508570)
+++ head/science/openkim-models/Makefile	(revision 508571)
@@ -1,19 +1,19 @@
 # $FreeBSD$
 
 PORTNAME=	openkim-models
 DISTVERSION=	2019-07-25
 CATEGORIES=	science
 MASTER_SITES=	https://s3.openkim.org/archives/collection/
 
 MAINTAINER=	yuri@FreeBSD.org
 COMMENT=	Open Knowledgebase of Interatomic Models
 
 LICENSE=	CDDL
 LICENSE_FILE=	${WRKSRC}/LICENSE
 
 BUILD_DEPENDS=	xxd:editors/vim-console
 LIB_DEPENDS=	libkim-api.so:science/kim-api
 
-USES=		cmake:noninja fortran tar:txz
+USES=		cmake:noninja compiler:c++11-lang fortran tar:txz
 
 .include <bsd.port.mk>