Index: head/mail/dovecot-fts-xapian/Makefile
===================================================================
--- head/mail/dovecot-fts-xapian/Makefile	(revision 512355)
+++ head/mail/dovecot-fts-xapian/Makefile	(revision 512356)
@@ -1,35 +1,35 @@
 # $FreeBSD$
 
 PORTNAME=	fts-xapian
 PORTVERSION=	1.2.1
 PORTREVISION=	1
 CATEGORIES=	mail
 PKGNAMEPREFIX=	dovecot-
 
 MAINTAINER=	bapt@FreeBSD.org
 COMMENT=	Dovecot FTS plugin based on Xapian
 
 LICENSE=	LGPL21
 
 LIB_DEPENDS=	libxapian.so:databases/xapian-core \
 		libicuuc.so:devel/icu
 BUILD_DEPENDS=	dovecot>=2.3.7:mail/dovecot
 RUN_DEPENDS=	dovecot>=2.3.7:mail/dovecot
 
-USES=		autoreconf libtool pkgconfig
+USES=		autoreconf compiler:c++11-lang libtool pkgconfig
 
 USE_LDCONFIG=	yes
 
 USE_GITHUB=yes
 GH_ACCOUNT=	grosjo
 GH_TAGNAME=	${PORTNAME}-${PORTVERSION}
 
 GNU_CONFIGURE=	yes
 
 PLIST_FILES=	lib/dovecot/lib21_fts_xapian_plugin.a \
 		lib/dovecot/lib21_fts_xapian_plugin.so
 
 post-install:
 	${STRIP_CMD} ${STAGEDIR}${PREFIX}/lib/dovecot/lib21_fts_xapian_plugin.so
 
 .include <bsd.port.mk>