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

_luaversions="5.1 5.2"

pkgname=lua-zlib
pkgver=0.3
pkgrel=0
pkgdesc="Simple streaming interface to zlib for Lua"
url="https://github.com/brimworks/lua-zlib"
arch="all"
license="MIT"
depends=""
makedepends="zlib-dev"
subpackages=
for _i in $_luaversions; do
	depends="$depends lua$_i-zlib"
        makedepends="$makedepends lua$_i-dev"
        subpackages="$subpackages lua$_i-zlib:_zlib_${_i/./_}"
done
install=
source="$pkgname-$pkgver.tar.gz::https://github.com/brimworks/lua-zlib/archive/v$pkgver.tar.gz"

_builddir="$srcdir"/lua-zlib-$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 $_i"
		make zlib.so \
			CFLAGS="$CFLAGS -fPIC $(pkg-config --cflags lua$_i)" \
			LDFLAGS="$LDFLAGS -shared" \
			LIBS="-lz -lm" \
			|| return 1
        done
}

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

_split_zlib() {
	local _ver=$1
	pkgdesc="$pkgdesc $_ver"
	depends=""

	cd "$srcdir"/build-$_ver
	install -Dm755 zlib.so "$subpkgdir"/usr/lib/lua/$_ver/zlib.so
}

for _i in $_luaversions; do
	eval "_zlib_${_i/./_}() { _split_zlib $_i; }"
done

md5sums="3ac4122776d6c86514d1a6235b803955  lua-zlib-0.3.tar.gz"
sha256sums="3c9412b1c97bc7182c478c2536ad9890d7a472a2844e10ae736403894781cf4a  lua-zlib-0.3.tar.gz"
sha512sums="c6045aaa2b5969afa54d6be979b1f367464cbfc738423eb0a4928b8c515a238150a480b619ac63047d4b24078bedac469404deace9c4cec9c9ea25178a5d11a9  lua-zlib-0.3.tar.gz"