main/lua-zlib: upgrade to 0.4.1 and build for lua 5.1 and 5.2

main/lua-zlib/APKBUILD

 # Contributor: 
 # Maintainer: 
+
+_luaversions="5.1 5.2"
+
 pkgname=lua-zlib
 _name=lzlib
-pkgver=0.4
-_ver=$pkgver-work2
-pkgrel=2
+pkgver=0.4.1
+pkgrel=0
 pkgdesc="Lua bindings to the ZLib compression library"
-url="http://luaforge.net/projects/lzlib/"
+url="https://github.com/LuaDist/lzlib"
 arch="all"
 license="MIT"
-depends="lua"
-makedepends="lua-dev zlib-dev"
-install=
+depends="lua5.1-zlib"
+makedepends="zlib-dev"
 subpackages=
-source="http://luaforge.net/frs/download.php/3826/lzlib-$_ver.tar.gz"
+for _i in $_luaversions; do
+        makedepends="$makedepends lua$_i-dev"
+        subpackages="$subpackages lua$_i-zlib:_zlib_${_i/./_}"
+done
+install=
+source="$pkgname-$pkgver.tar.gz::https://github.com/LuaDist/$_name/archive/$pkgver.tar.gz"
 
-_builddir="$srcdir"/$_name-$_ver
+_builddir="$srcdir"/$_name-$pkgver
 
 prepare() {
 	cd "$_builddir"
 	# apply patches here
+	for _i in $_luaversions; do
+		cp -a "$_builddir" "$srcdir"/build-$_i || return 1
+	done
 }
 
 build() {
 	cd "$_builddir"
-	make || return 1
+	for _i in $_luaversions; do
+		cd "$srcdir"/build-$_i
+		msg "build for Lua $_i"
+		make \
+			CFLAGS="$CFLAGS $(pkg-config --cflags lua$_i)" \
+			LDFLAGS="$LDFLAGS $(pkg-config --libs lua$_i)" \
+			|| return 1
+        done
 }
 
 package() {
-	cd "$_builddir"
-	install -Dm755 zlib.so "$pkgdir"/usr/lib/lua/5.1/zlib.so
-	install -Dm644 gzip.lua "$pkgdir"/usr/share/lua/5.1/gzip.lua
+	mkdir -p "$pkgdir"
 }
 
-md5sums="9d29ec26d3ccbd86ea4d95dcc602911a  lzlib-0.4-work2.tar.gz"
+_split_zlib() {
+	local _ver=$1
+	pkgdesc="$pkgdesc for Lua $_ver"
+	depends=""
+
+	cd "$srcdir"/build-$_ver
+	install -Dm755 zlib.so "$subpkgdir"/usr/lib/lua/$_ver/zlib.so
+	install -Dm644 gzip.lua "$subpkgdir"/usr/share/lua/$_ver/gzip.lua
+}
+
+for _i in $_luaversions; do
+	eval "_zlib_${_i/./_}() { _split_zlib $_i; }"
+done
+
+md5sums="347878905c0d9e893c7bd81b82668c97  lua-zlib-0.4.1.tar.gz"
+sha256sums="c25e8e91de3a222ff1e562a73783d600d3ce3e4517826df532e7a2328332b8b4  lua-zlib-0.4.1.tar.gz"
+sha512sums="44b88d3be6c184bf6c25e13ea26036aa5739ac6d10b19fe60475f04fbb40f7d7a266a8d22334a7fb696f9224f03c8e85ce9966c437dd91a23fa7b0c92edc102c  lua-zlib-0.4.1.tar.gz"