main/lua-discount: add support for lua 5.2

main/lua-discount/APKBUILD

@@ -2,22 +2,44 @@
 # Maintainer: Natanael Copa <ncopa@alpinelinux.org>
 pkgname=lua-discount
 pkgver=1.2.10.1
-pkgrel=2
+pkgrel=3
 pkgdesc="Lua binding to discount, a Markdown implementation in C"
 url="http://asbradbury.org/projects/lua-discount"
 arch="all"
 license="BSD"
-depends="lua"
-makedepends="lua-dev"
+depends="lua5.1-discount lua5.2-discount"
+makedepends="lua5.1-dev lua5.2-dev"
 install=
-subpackages=
+subpackages="lua5.1-discount:_lua51 lua5.2-discount:_lua52"
+
 source="http://luaforge.net/frs/download.php/3758/lua-discount-1.2.10.1.tar.gz"
 
 build() {
-	cd "$srcdir"/$pkgname-$pkgver
+	cd "$srcdir"
+
+	for i in 5.1 5.2; do
+		cp -r $pkgname-$pkgver $i
+		(cd $i
+		make INCS="$(pkg-config --cflags lua$i)"
+		) || return 1
+	done
+}
 
-	make || return 1
-	install -D -m644 discount.so "$pkgdir"/usr/lib/lua/5.1/discount.so
+package() {
+	cd "$srcdir"
+	for i in 5.1 5.2; do
+		install -D -m644 $i/discount.so \
+			"$pkgdir"/usr/lib/lua/$i/discount.so || return 1
+	done
 }
 
+_split() {
+	pkgdesc="Lua $1 binding to discount, a Markdown implementation in C"
+	mkdir -p "$subpkgdir"/usr/lib/lua/
+	mv "$pkgdir"/usr/lib/lua/$1 "$subpkgdir"/usr/lib/lua/ || return 1
+}
+
+_lua51() { _split 5.1; }
+_lua52() { _split 5.2; }
+
 md5sums="7dc7055816dc755aacb48bfd5eb2eb5b  lua-discount-1.2.10.1.tar.gz"