Index: head/devel/cgdb/Makefile
===================================================================
--- head/devel/cgdb/Makefile	(revision 556297)
+++ head/devel/cgdb/Makefile	(revision 556298)
@@ -1,31 +1,32 @@
 # Created by: Gea-Suan Lin <gslin@gslin.org>
 # $FreeBSD$
 
 PORTNAME=	cgdb
 DISTVERSION=	0.7.1
 CATEGORIES=	devel
 MASTER_SITES=	http://cgdb.me/files/
 
 MAINTAINER=	serio.jeffrey@gmail.com
 COMMENT=	Curses-based interface to the GNU Debugger
 
 LICENSE=	GPLv2
 LICENSE_FILE=	${WRKSRC}/COPYING
 
-USES=		makeinfo ncurses:base readline # fails with ncurses:port because readline is linked with ncurses:base
+USES=		compiler:c++11-lang makeinfo ncurses:base \
+		readline # fails with ncurses:port because readline is linked with ncurses:base
 
 GNU_CONFIGURE=	yes
 
 INFO=		cgdb
 
 MAKE_JOBS_UNSAFE=	yes # because: make[4]: don't know how to make ./libtokenizer.a. Stop
 
 # we need this for openpty(3) . It sucks,
 # but since cgdb include a libutil itself,
 # we have to specify the full path.
 LDFLAGS+=	/usr/lib/libutil.so
 
 post-patch:
 	@${REINPLACE_CMD} -e 's|dev_ptmx=yes|dev_ptmx=no|' ${WRKSRC}/configure
 
 .include <bsd.port.mk>