--- gentoo/dev-lang/lua/lua-5.2.3-r1.ebuild	2014-06-12 23:46:47.000000000 +0200
+++ local/dev-lang/lua/lua-5.2.3-r1.ebuild	2015-02-22 15:01:55.030415930 +0100
@@ -27,9 +27,7 @@
 )
 
 src_prepare() {
-	local PATCH_PV=$(get_version_component_range 1-2)
-
-	epatch "${FILESDIR}"/${PN}-${PATCH_PV}-make-r1.patch
+	epatch "${FILESDIR}"/${PN}-${SLOT}-make-r1.patch
 
 	[ -d "${FILESDIR}/${PV}" ] && \
 		EPATCH_SOURCE="${FILESDIR}/${PV}" EPATCH_SUFFIX="upstream.patch" epatch
@@ -106,15 +104,15 @@
 			V=${SLOT} gentoo_install
 
 	# We want packages to find our things...
-	cp "${FILESDIR}/lua.pc" "${WORKDIR}"
+	cp "${FILESDIR}/lua-r1.pc" "${WORKDIR}/lua${SLOT}.pc"
 	sed -i \
-		-e "s:^V=.*:V= ${PATCH_PV}:" \
+		-e "s:^V=.*:V= ${SLOT}:" \
 		-e "s:^R=.*:R= ${PV}:" \
 		-e "s:/,lib,:/$(get_libdir):g" \
-		"${WORKDIR}/lua.pc"
+		"${WORKDIR}/lua${SLOT}.pc"
 
 	insinto "/usr/$(get_libdir)/pkgconfig"
-	newins "${WORKDIR}/lua.pc" "lua${SLOT}.pc"
+	doins "${WORKDIR}/lua${SLOT}.pc"
 }
 
 multilib_src_install_all() {