# Maintainer: Natanael Copa <ncopa@alpinelinux.org>

_luaversions="5.1 5.2 5.3"

pkgname=lua-lzlib
_name=lzlib
pkgver=0.4.3
pkgrel=0
pkgdesc="Lua bindings to the ZLib compression library"
url="https://github.com/LuaDist/lzlib"
arch="all"
license="MIT"
depends=""
makedepends="zlib-dev"
subpackages=
for _i in $_luaversions; do
        makedepends="$makedepends lua$_i-dev"
        subpackages="$subpackages lua$_i-lzlib:_zlib_${_i/./_}"
done
install=
source="$pkgname-$pkgver.tar.gz::https://github.com/LuaDist/$_name/archive/$pkgver.tar.gz"

_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"
	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() {
	mkdir -p "$pkgdir"
}

_split_zlib() {
	local _ver=$1
	pkgdesc="$pkgdesc for Lua $_ver"
	install_if="lua$_ver $pkgname=$pkgver-r$pkgrel"
	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="96fe467c2c9cd1b29faf2a0f0a029f00  lua-lzlib-0.4.3.tar.gz"
sha256sums="cbb0cac5825e940b4ea2f31a336d2aaf6db39847d456920afd8e443804420dbb  lua-lzlib-0.4.3.tar.gz"
sha512sums="7f90533091ed4917019a26c1a944101dffbaaeac8c6608d9a9e078e624f8598f46e8fee939680dcea95317d752ca6bb85b21fb611f003ddbae362fa36e05e9c3  lua-lzlib-0.4.3.tar.gz"