Index: head/cad/ngspice_rework/Makefile
===================================================================
--- head/cad/ngspice_rework/Makefile	(revision 425265)
+++ head/cad/ngspice_rework/Makefile	(revision 425266)
@@ -1,29 +1,29 @@
 # Created by: AMAKAWA Shuhei <amakawa@jp.FreeBSD.org>
 # $FreeBSD$
 
 PORTNAME=	ngspice_rework
-PORTVERSION=	27
+PORTVERSION=	28
 CATEGORIES=	cad
 MASTER_SITES=	SF/ngspice/ng-spice-rework/${PORTVERSION}
 DISTNAME=	ngspice-${PORTVERSION}
 
 MAINTAINER=	kevinz5000@gmail.com
 COMMENT=	Mixed-signal circuit simulator derived from Spice and Cider
 
 LICENSE_FILE=	${WRKSRC}/COPYING
 
 GNU_CONFIGURE=	yes
 USES=		gmake libtool readline
 
-CONFIGURE_ARGS+=	--with-readline=yes
+CONFIGURE_ARGS=	--with-readline=yes \
+		--enable-xspice
 
 OPTIONS_DEFINE=		DEBUG X11
 OPTIONS_DEFAULT=	X11
 
 X11_USE=		XORG=ice,sm,x11,xaw,xext,xmu,xt
-X11_CONFIGURE_ENABLE=	xspice
 X11_CONFIGURE_WITH=	x
 
 DEBUG_CONFIGURE_ENABLE=	debug
 
 .include <bsd.port.mk>