Index: head/archivers/v1541commander/Makefile
===================================================================
--- head/archivers/v1541commander/Makefile	(revision 529937)
+++ head/archivers/v1541commander/Makefile	(revision 529938)
@@ -1,38 +1,38 @@
 # Created by: Felix Palmen <felix@palmen-it.de>
 # $FreeBSD$
 
 PORTNAME=	v1541commander
 PORTVERSION=	1.1
 CATEGORIES=	archivers emulators
 
 MAINTAINER=	felix@palmen-it.de
 COMMENT=	Virtual 1541 disk commander
 
 LICENSE=	BSD2CLAUSE STYLEFONT
 LICENSE_COMB=	multi
 LICENSE_NAME_STYLEFONT=		The STYLE C64 TrueType Fonts License
 LICENSE_FILE_STYLEFONT=		${WRKSRC}/LICENSE-font.txt
 LICENSE_PERMS_STYLEFONT=	dist-mirror no-dist-sell pkg-mirror \
 				no-pkg-sell auto-accept
 
 LIB_DEPENDS=	lib1541img.so:archivers/lib1541img
 
-USES=		gmake pkgconfig qt:5 shared-mime-info
+USES=		compiler:c++11-lang gmake pkgconfig qt:5 shared-mime-info
 
 USE_QT=		core gui network widgets buildtools_build linguisttools_build
 
 USE_GITHUB=	yes
 GH_PROJECT=	${PORTNAME} zimk:zimk
 GH_ACCOUNT=	excess-c64 Zirias:zimk
 GH_TAGNAME=	v${PORTVERSION} 31500ca:zimk
 
 OPTIONS_DEFINE=	DOCS
 
 MAKE_ARGS=	pkgconfigdir=${LOCALBASE}/libdata/pkgconfig \
 		V=1
 ALL_TARGET=	strip
 
 post-extract:
 	@${MV} ${WRKDIR}/zimk-*/* ${WRKSRC}/zimk/
 
 .include <bsd.port.mk>