--- 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 14:49:02.763936487 +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
@@ -108,7 +106,7 @@
 	# We want packages to find our things...
 	cp "${FILESDIR}/lua.pc" "${WORKDIR}"
 	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"