main/lua-xml: use install_if

main/lua-xml/APKBUILD

@@ -3,7 +3,7 @@ _luaversions="5.1 5.2"
 pkgname=lua-xml
 _name=LuaXML
 pkgver=130610
-pkgrel=1
+pkgrel=2
 pkgdesc="a minimal set of functions for the processing of XML data in Lua"
 url="http://viremo.eludi.net/LuaXML/index.html"
 arch="all"
@@ -13,7 +13,6 @@ makedepends=""
 install=
 subpackages=
 for _v in $_luaversions; do
-	depends="$depends lua$_v-xml"
 	makedepends="$makedepends lua$_v-dev"
 	subpackages="$subpackages lua$_v-xml:split_${_v/./_}"
 done
@@ -58,6 +57,7 @@ package() {
 _split() {
 	local d= _ver=$1
 	pkgdesc="$pkgdesc for Lua $_ver"
+	install_if="lua$_ver $pkgname=$pkgver-r$pkgrel"
 	depends=
 	for d in usr/lib/lua usr/share/lua; do
 		if [ -d "$pkgdir"/$d/$_ver ]; then