Index: head/sysutils/bamf/Makefile
===================================================================
--- head/sysutils/bamf/Makefile	(revision 541263)
+++ head/sysutils/bamf/Makefile	(revision 541264)
@@ -1,40 +1,40 @@
 # Created by: Olivier Duchateau
 # $FreeBSD$
 
 PORTNAME=	bamf
 PORTVERSION=	0.5.4
 CATEGORIES=	sysutils
 MASTER_SITES=	https://launchpadlibrarian.net/280921055/ \
 	https://launchpad.net/${PORTNAME}/${PORTVERSION:R}/${PORTVERSION}/+download/
 
 MAINTAINER=	duchateau.olivier@gmail.com
 COMMENT=	BAMF Application Matching Framework
 
 LICENSE=	LGPL3
 LICENSE_FILE=	${WRKSRC}/COPYING.LGPL
 
 BUILD_DEPENDS=	vapigen:lang/vala \
 	${PYTHON_PKGNAMEPREFIX}lxml>=4.4.2:devel/py-lxml@${PY_FLAVOR}
 LIB_DEPENDS=	libgtop-2.0.so:devel/libgtop \
 	libstartup-notification-1.so:x11/startup-notification
 
-USES=		gettext-runtime gmake gnome libtool pathfix pkgconfig \
-		python:3.5+,build xorg
+USES=		compiler:c11 gettext-runtime gmake gnome libtool pathfix \
+		pkgconfig python:3.5+,build xorg
 GNU_CONFIGURE=	yes
 USE_GNOME=	gtk30 glib20 introspection:build libwnck3 cairo gdkpixbuf2
 USE_XORG=	x11
 INSTALL_TARGET=	install-strip
 
 CONFIGURE_ARGS+=--disable-headless-tests \
 	--disable-gtktest \
 	--disable-gcov \
 	--disable-gtk-doc-html \
 	--without-html-dir \
 	--enable-export-actions-menu=no \
 	--enable-introspection=yes
 
 post-patch:
 	${REINPLACE_CMD} -e 's| -Wl,-Bsymbolic-functions||' \
 		${WRKSRC}/src/Makefile.in
 
 .include <bsd.port.mk>