Index: head/misc/xpns/Makefile
===================================================================
--- head/misc/xpns/Makefile	(revision 455041)
+++ head/misc/xpns/Makefile	(revision 455042)
@@ -1,39 +1,50 @@
 # Created by: Pedro Giffuni
 # $FreeBSD$
 
 PORTNAME=	xpns
 PORTVERSION=	1.0
-PORTREVISION=	3
+PORTREVISION=	4
 CATEGORIES=	misc cad
 MASTER_SITES=	http://robotics.ee.uwa.edu.au/pns/ftp/
 DISTNAME=	pns_source.tar
 EXTRACT_SUFX=	.Z
 
 MAINTAINER=	ports@FreeBSD.org
 COMMENT=	Petri-Net Simulator for Xwindows
 
+LICENSE=	NONE
+
 NO_WRKSUBDIR=	yes
 
-USE_XORG=	x11 xaw
+USE_XORG=	x11 xaw xmu xt xext
 MAKEFILE=	makefile
 ALL_TARGET=	pns
 
 PORTDOCS=	*
+PORTEXAMPLES=	*
 PLIST_FILES=	bin/xpns \
 		libexec/xpns/pns \
 		%%DATADIR%%/pns.hlp \
 		%%DATADIR%%/pns.shell
 
+OPTIONS_DEFINE=	DOCS EXAMPLES
+
 post-patch:
 	@${REINPLACE_CMD} -e "s|%%PREFIX%%|${PREFIX}|g" ${WRKSRC}/xpns
 
 do-install:
-	(cd ${WRKSRC} && ${INSTALL_SCRIPT} xpns ${STAGEDIR}${PREFIX}/bin)
+	${INSTALL_SCRIPT} ${WRKSRC}/xpns ${STAGEDIR}${PREFIX}/bin
 	@${MKDIR} ${STAGEDIR}${PREFIX}/libexec/xpns
-	(cd ${WRKSRC} && ${INSTALL_PROGRAM} pns ${STAGEDIR}${PREFIX}/libexec/xpns)
+	${INSTALL_PROGRAM} ${WRKSRC}/pns ${STAGEDIR}${PREFIX}/libexec/xpns
 	@${MKDIR} ${STAGEDIR}${DATADIR}
-	(cd ${WRKSRC} && ${INSTALL_DATA} pns.hlp pns.shell ${STAGEDIR}${DATADIR})
+	${INSTALL_DATA} ${WRKSRC}/pns.hlp ${WRKSRC}/pns.shell ${STAGEDIR}${DATADIR}
+
+do-install-DOCS-on:
 	@${MKDIR} ${STAGEDIR}${DOCSDIR}
-	(cd ${WRKSRC} && ${INSTALL_DATA} *.net ${STAGEDIR}${DOCSDIR})
+	${INSTALL_DATA} ${WRKSRC}/README ${STAGEDIR}${DOCSDIR}
+
+do-install-EXAMPLES-on:
+	@${MKDIR} ${STAGEDIR}${EXAMPLESDIR}
+	${INSTALL_DATA} ${WRKSRC}/*.net ${STAGEDIR}${EXAMPLESDIR}
 
 .include <bsd.port.mk>