Index: head/multimedia/qt5-phonon4-gstreamer/Makefile
===================================================================
--- head/multimedia/qt5-phonon4-gstreamer/Makefile	(revision 424520)
+++ head/multimedia/qt5-phonon4-gstreamer/Makefile	(revision 424521)
@@ -1,34 +1,34 @@
 # Created by: Martin Wilke <miwi@FreeBSD.org>
 # $FreeBSD$
 
 PORTNAME=	phonon
 PORTVERSION=	4.9.0
 CATEGORIES=	multimedia
 MASTER_SITES=	KDE/stable/${PORTNAME}/${PORTNAME}-backend-gstreamer/${PORTVERSION}
 PKGNAMEPREFIX=	qt5-
 PKGNAMESUFFIX=	4-gstreamer
 DISTNAME=	${PORTNAME}-backend-gstreamer-${PORTVERSION}
 DIST_SUBDIR=	KDE
 
 MAINTAINER=	kde@FreeBSD.org
 COMMENT=	GStreamer backend for Phonon 4 Qt 5
 
 LICENSE=	LGPL21
 
 BUILD_DEPENDS=	${LOCALBASE}/share/ECM/cmake/ECMConfig.cmake:devel/extra-cmake-modules
 
 WRKSRC=		${WRKDIR}/${DISTNAME:S/-backend//}
 
-USES=		cmake pkgconfig tar:xz
+USES=		cmake:outsource pkgconfig tar:xz
 USE_GL=		gl
 USE_GNOME=	glib20 libxml2
 USE_GSTREAMER1=	yes
 USE_QT5=	buildtools_build qmake_build core gui opengl phonon4 widgets \
 		x11extras
 CMAKE_ARGS=	-DPHONON_BUILD_PHONON4QT5=ON
 
 OPTIONS_DEFINE=	GST_PLUGINS
 GST_PLUGINS_DESC=	Install GStreamer plugins
 GST_PLUGINS_RUN_DEPENDS=	gstreamer1-plugins-all>=0:multimedia/gstreamer1-plugins-all
 
 .include <bsd.port.mk>