Index: head/x11-themes/gtk-arc-themes/Makefile
===================================================================
--- head/x11-themes/gtk-arc-themes/Makefile	(revision 427312)
+++ head/x11-themes/gtk-arc-themes/Makefile	(revision 427313)
@@ -1,31 +1,29 @@
 # Created by: archfan <mail_me@riseup.net>
 # $FreeBSD$
 
 PORTNAME=	gtk-arc-themes
 PORTVERSION=	20160605
 CATEGORIES=	x11-themes
 
 MAINTAINER=	mail_me@riseup.net
 COMMENT=	Arc-themes for GTK-2.0 and GTK-3.0 based desktop environments
 
 LICENSE=	GPLv3
 LICENSE_FILE=	${WRKSRC}/COPYING
 
 BUILD_DEPENDS=	gtk-murrine-engine>0:x11-themes/gtk-murrine-engine \
 		gnome-themes-standard>0:x11-themes/gnome-themes-standard
 RUN_DEPENDS=	gtk-murrine-engine>0:x11-themes/gtk-murrine-engine \
 		gnome-themes-standard>0:x11-themes/gnome-themes-standard
 
 USE_GITHUB=	yes
 GH_ACCOUNT=	horst3180
 GH_PROJECT=	arc-theme
 GH_TAGNAME=	e10fefb
 
-USES=		autoreconf pkgconfig tar:xz
+USES=		autoreconf pkgconfig
+GNU_CONFIGURE=	yes
 USE_GNOME=	gtk20 gtk30
 NO_ARCH=	yes
-
-pre-configure:
-	cd ${WRKSRC} && ./autogen.sh
 
 .include <bsd.port.mk>