Index: head/misc/soapysdr/Makefile
===================================================================
--- head/misc/soapysdr/Makefile	(revision 480498)
+++ head/misc/soapysdr/Makefile	(revision 480499)
@@ -1,20 +1,20 @@
 # $FreeBSD$
 
 PORTNAME=	SoapySDR
 DISTVERSIONPREFIX=	soapy-sdr-
 DISTVERSION=	0.6.1-71
 DISTVERSIONSUFFIX=	-g69c16e9
 CATEGORIES=	misc hamradio
 
 MAINTAINER=	yuri@FreeBSD.org
 COMMENT=	Vendor and platform neutral SDR support library
 
 LICENSE=	BSL
 LICENSE_FILE=	${WRKSRC}/LICENSE_1_0.txt
 
-USES=		cmake:outsource
+USES=		cmake:outsource compiler:c++11-lang
 USE_GITHUB=	yes
 GH_ACCOUNT=	pothosware
 USE_LDCONFIG=	yes
 
 .include <bsd.port.mk>