--- gentoo/dev-lua/luafilesystem/luafilesystem-1.6.2.ebuild	2014-12-24 11:41:04.000000000 +0100
+++ local/dev-lua/luafilesystem/luafilesystem-1.6.2.ebuild	2015-02-22 15:57:33.706159527 +0100
@@ -1,9 +1,9 @@
-# Copyright 1999-2014 Gentoo Foundation
+# Copyright 1999-2015 Gentoo Foundation
 # Distributed under the terms of the GNU General Public License v2
-# $Header: /var/cvsroot/gentoo-x86/dev-lua/luafilesystem/luafilesystem-1.6.2.ebuild,v 1.1 2014/12/24 10:41:04 mrueg Exp $
+# $Header: $
 
 EAPI=5
-inherit multilib toolchain-funcs
+inherit toolchain-funcs
 
 DESCRIPTION="File System Library for the Lua Programming Language"
 HOMEPAGE="http://keplerproject.github.com/luafilesystem/"
@@ -12,23 +12,68 @@
 LICENSE="MIT"
 SLOT="0"
 KEYWORDS="~amd64 ~arm ~hppa ~mips ~ppc ~ppc64 ~x86 ~x86-fbsd"
-IUSE=""
+IUSE_LUA_TARGET="lua_target_lua5-1 lua_target_lua5-2"
+IUSE="${IUSE_LUA_TARGET}"
 
-DEPEND=">=dev-lang/lua-5.1"
+REQUIRED_USE="|| ( ${IUSE_LUA_TARGET} )"
+
+DEPEND="lua_target_lua5-1? ( dev-lang/lua:5.1 )
+	lua_target_lua5-2? ( dev-lang/lua:5.2 )"
 RDEPEND="${DEPEND}"
 
+get_lua_variant() {
+	local lua_target="$1" lua_variant
+	lua_variant="${lua_target##lua_target_}"
+	lua_variant="${lua_variant/-/.}"
+	echo "${lua_variant}"
+}
+
 src_prepare() {
+	local lua_target lua_variant S_variant
+	local pkg_config="$(tc-getPKG_CONFIG)" lua_inc lua_cmod
 	sed -i \
 		-e "s|/usr/local|/usr|" \
-		-e "s|/lib|/$(get_libdir)|" \
 		-e "s|-O2|${CFLAGS}|" \
 		-e "/^LIB_OPTION/s|= |= ${LDFLAGS} |" \
 		-e "s|gcc|$(tc-getCC)|" \
 		config || die
+	for lua_target in ${IUSE_LUA_TARGET} ; do
+		use "${lua_target}" || continue
+		lua_variant="$(get_lua_variant ${lua_target})"
+		S_variant="${S}-${lua_variant}"
+		einfo "Preparing for ${lua_variant}"
+		cp -ar "${S}" "${S_variant}" || die
+		cd "${S_variant}" || die
+		lua_inc="$(${pkg_config} --variable INSTALL_INC ${lua_variant})" lua_cmod="$(${pkg_config} --variable INSTALL_CMOD ${lua_variant})"
+		sed -i \
+			-e "/^LUA_INC/s|=.*|= ${lua_inc}|" \
+			-e "/^LUA_LIBDIR/s|=.*|= \${DESTDIR}${lua_cmod}|" \
+			config || die
+	done
+}
+
+src_compile() {
+	local lua_target lua_variant S_variant
+	for lua_target in ${IUSE_LUA_TARGET} ; do
+		use "${lua_target}" || continue
+		lua_variant="$(get_lua_variant ${lua_target})"
+		S_variant="${S}-${lua_variant}"
+		cd "${S_variant}" || die
+		einfo "Compiling for ${lua_variant}"
+		default
+	done
 }
 
 src_install() {
-	emake PREFIX="${ED}usr" install
+	local lua_target lua_variant S_variant
+	for lua_target in ${IUSE_LUA_TARGET} ; do
+		use "${lua_target}" || continue
+		lua_variant="$(get_lua_variant ${lua_target})"
+		S_variant="${S}-${lua_variant}"
+		cd "${S_variant}" || die
+		einfo "Installing for ${lua_variant}"
+		emake DESTDIR="${D}" install
+	done
 	dodoc README
 	dohtml doc/us/*
 }