--- povtree-1.5.ebuild.orig	2013-07-07 18:59:42.223801267 -0600
+++ povtree-1.5.ebuild	2013-07-07 19:02:26.354111474 -0600
@@ -2,6 +2,8 @@
 # Distributed under the terms of the GNU General Public License v2
 # $Header: /var/cvsroot/gentoo-x86/media-gfx/povtree/povtree-1.5.ebuild,v 1.8 2009/11/25 22:20:51 maekke Exp $
 
+EAPI=5
+
 S="${WORKDIR}"
 MY_P="${PN}${PV}"
 DESCRIPTION="Tree generator for POVray based on TOMTREE macro"
@@ -18,9 +20,10 @@
 
 src_install() {
 	# wrapper
-	dobin "${FILESDIR}"/povtree || die "dobin failed"
+	sed "s:/usr/:${EPREFIX}&:" "${FILESDIR}"/povtree > "${T}"/povtree || die
+	dobin "${T}"/povtree
 	# package
 	insinto /usr/lib/povtree
-	doins povtree.jar || die "doins failed"
-	dodoc TOMTREE-${PV}.inc help.jpg || die "dodoc failed"
+	doins povtree.jar
+	dodoc TOMTREE-${PV}.inc help.jpg
 }