Index: head/games/gtkevemon/Makefile
===================================================================
--- head/games/gtkevemon/Makefile	(revision 437684)
+++ head/games/gtkevemon/Makefile	(revision 437685)
@@ -1,30 +1,31 @@
 # $FreeBSD$
 
 PORTNAME=	gtkevemon
 PORTVERSION=	1.10.2016.02.17
 PORTREVISION=	0
 CATEGORIES=	games
 
 MAINTAINER=	feld@FreeBSD.org
 COMMENT=	Skill monitoring standalone application for EVE Online
 
 LIB_DEPENDS=	libgtkmm-3.0.so:x11-toolkits/gtkmm30 \
 		libcurl.so:ftp/curl
 
 USE_GITHUB=     yes
 GH_TAGNAME=     ac2ca34
 
-USES=		pkgconfig:both gmake ssl
+USES=		compiler:c++11-lang pkgconfig:both gmake ssl
+USE_CXXSTD=	c++11
 USE_GNOME=	gtk30 libxml2
 
 .include <bsd.port.pre.mk>
 
 post-patch:
 	@${REINPLACE_CMD} -e 's|$$(shell pkg-config --libs openssl)|-L${OPENSSLLIB} -lssl -lcrypto|' ${WRKSRC}/src/Makefile
 
 do-install:
 	${INSTALL_PROGRAM} ${WRKSRC}/src/gtkevemon ${STAGEDIR}${PREFIX}/bin/gtkevemon
 	${INSTALL_DATA} ${WRKSRC}/icon/gtkevemon.desktop ${STAGEDIR}${PREFIX}/share/applications/gtkevemon.desktop
 	${INSTALL_DATA} ${WRKSRC}/icon/gtkevemon.svg ${STAGEDIR}${PREFIX}/share/pixmaps/gtkevemon.svg
 
 .include <bsd.port.post.mk>
Index: head/print/libgnomeprintmm/Makefile
===================================================================
--- head/print/libgnomeprintmm/Makefile	(revision 437684)
+++ head/print/libgnomeprintmm/Makefile	(revision 437685)
@@ -1,30 +1,31 @@
 # Created by: Joe Marcus Clarke <marcus@FreeBSD.org>
 # $FreeBSD$
 
 PORTNAME=	libgnomeprintmm
 PORTVERSION=	2.5.1
 PORTREVISION=	11
 CATEGORIES=	print gnome
 MASTER_SITES=	GNOME
 DIST_SUBDIR=	gnome2
 
 MAINTAINER=	bland@FreeBSD.org
 COMMENT=	C++ bindings for the GNOME print support library
 
 LIB_DEPENDS=	libgtkmm-2.4.so:x11-toolkits/gtkmm24
 BUILD_DEPENDS=	gm4:devel/m4
 
-USES=		gmake libtool pathfix pkgconfig tar:bzip2
+USES=		compiler:c++11-lang gmake libtool pathfix pkgconfig tar:bzip2
+USE_CXXSTD=	c++11
 USE_GNOME=	gnomeprefix libgnomeprint
 USE_LDCONFIG=	yes
 GNU_CONFIGURE=	yes
 CONFIGURE_ARGS=	--enable-static
 INSTALL_TARGET=	install-strip
 
 PLIST_SUB=	VERSION="2.5" API_VERSION="2.6"
 
 post-patch:
 	@${REINPLACE_CMD} -e "s|\(-lglibmm\)|-L\$$(GMM_PROCDIR)/../.. \1|" \
 		${WRKSRC}/tools/extra_defs_gen/Makefile.in
 
 .include <bsd.port.mk>
Index: head/x11-toolkits/flowcanvas/Makefile
===================================================================
--- head/x11-toolkits/flowcanvas/Makefile	(revision 437684)
+++ head/x11-toolkits/flowcanvas/Makefile	(revision 437685)
@@ -1,35 +1,36 @@
 # Created by: Edward Tomasz Napierala <trasz@FreeBSD.org>
 # $FreeBSD$
 
 PORTNAME=	flowcanvas
 PORTVERSION=	0.7.1
 PORTREVISION=	7
 CATEGORIES=	x11-toolkits
 MASTER_SITES=	http://download.drobilla.net/
 
 MAINTAINER=	ports@FreeBSD.org
 COMMENT=	Interactive Gtkmm/Gnomecanvasmm widget
 
 LICENSE=	GPLv2+
 LICENSE_FILE=	${WRKSRC}/COPYING
 
 LIB_DEPENDS=	libboost_date_time.so:devel/boost-libs \
 		libgvc.so:graphics/graphviz \
 		libgnomecanvasmm-2.6.so:graphics/libgnomecanvasmm26 \
 		libgtkmm-2.4.so:x11-toolkits/gtkmm24
 
-USES=		pkgconfig tar:bzip2 waf
+USES=		compiler:c++11-lang pkgconfig tar:bzip2 waf
+USE_CXXSTD=	c++11
 USE_LDCONFIG=	yes
 
 CFLAGS+=	-I${LOCALBASE}/include
 
 post-patch:
 	@${REINPLACE_CMD} -e \
 		"s|$$[{]LIBDIRNAME[}]/pkgconfig|libdata/pkgconfig| ; \
 		 s|-fshow-column'|-fshow-column ${CXXFLAGS}'|" \
 			${WRKSRC}/autowaf/autowaf.py
 
 post-install:
 	${STRIP_CMD} ${STAGEDIR}${PREFIX}/lib/lib${PORTNAME}.so
 
 .include <bsd.port.mk>
Index: head/x11-toolkits/libgnomeuimm26/Makefile
===================================================================
--- head/x11-toolkits/libgnomeuimm26/Makefile	(revision 437684)
+++ head/x11-toolkits/libgnomeuimm26/Makefile	(revision 437685)
@@ -1,38 +1,40 @@
 # Created by: Alexander Nedotsukov <bland@mail.ru>
 # $FreeBSD$
 #   $MCom: ports/x11-toolkits/libgnomeuimm26/Makefile,v 1.20 2009/09/22 21:23:48 kwm Exp $
 
 PORTNAME=	libgnomeuimm
 PORTVERSION=	2.28.0
 PORTREVISION=	7
 CATEGORIES=	x11-toolkits gnome
 MASTER_SITES=	GNOME
 DIST_SUBDIR=	gnome2
 
 MAINTAINER=	bland@FreeBSD.org
 COMMENT=	C++ wrapper for libgnomeui library
 
 LIB_DEPENDS=	libgnomemm-2.6.so:x11/libgnomemm26 \
 		libgnomecanvasmm-2.6.so:graphics/libgnomecanvasmm26 \
 		libgconfmm-2.6.so:devel/gconfmm26 \
 		libglademm-2.4.so:devel/libglademm24 \
 		libgnomevfsmm-2.6.so:devel/gnome-vfsmm
 BUILD_DEPENDS=	gm4:devel/m4
 
-USES=		gmake libtool:keepla pathfix pkgconfig tar:bzip2
+USES=		compiler:c++11-lang gmake libtool:keepla pathfix pkgconfig \
+		tar:bzip2
+USE_CXXSTD=	c++11
 USE_XORG=	x11
 USE_GNOME=	libgnomeui
 GNU_CONFIGURE=	yes
 USE_LDCONFIG=	yes
 CONFIGURE_ARGS=	--enable-static
 INSTALL_TARGET=	install-strip
 
 PLIST_SUB=	VERSION="2.6" API_VERSION="2.6"
 
 post-patch:
 	@${REINPLACE_CMD} -e '/^SUBDIRS =/s/examples//' \
 		${WRKSRC}/Makefile.in
 	@${REINPLACE_CMD} -e "s|\(-lglibmm\)|-L\$$(GMM_PROCDIR)/../.. \1|" \
 		${WRKSRC}/tools/extra_defs_gen/Makefile.in
 
 .include <bsd.port.mk>