main/unbound: improve build

- add -openrc subpackage
- cleanup depends for subpackages
- switch to python3

main/unbound/APKBUILD

@@ -10,7 +10,8 @@ arch="all"
 license="BSD-3-Clause"
 depends="dns-root-hints dnssec-root"
 depends_dev="expat-dev"
-makedepends="$depends_dev libevent-dev openssl-dev python2-dev swig linux-headers"
+depends_migrate="/bin/sh apk-tools dns-root-hints openrc"
+makedepends="$depends_dev libevent-dev openssl-dev python3-dev swig linux-headers"
 install="$pkgname.pre-install"
 options="!check"
 pkgusers="unbound"
@@ -28,7 +29,7 @@ builddir="$srcdir/$pkgname-$pkgver"
 build() {
 	cd "$builddir"
 
-	./configure \
+	PYTHON_VERSION=3 ./configure \
 		--build="$CBUILD" \
 		--host="$CHOST" \
 		--prefix=/usr \
@@ -77,13 +78,21 @@ package() {
 
 libs() {
 	pkgdesc="unbound shared libraries"
+	depends="$depends_libs"
 
 	mkdir -p "$subpkgdir"/usr/lib
 	mv "$pkgdir"/usr/lib/lib*.so.* "$subpkgdir"/usr/lib/
 }
 
+openrc() {
+	depends="$depends_openrc"
+
+	default_openrc
+}
+
 py() {
 	pkgdesc="Python bindings to libunbound"
+	depends="$depends_py"
 
 	mkdir -p "$subpkgdir"/usr/lib/
 	mv "$pkgdir"/usr/lib/python* "$subpkgdir"/usr/lib/
@@ -91,6 +100,7 @@ py() {
 
 migrate() {
 	pkgdesc="Simple tool to migrate from dnscache to unbound"
+	depends="$depends_migrate"
 
 	install -m755 -D "$srcdir"/migrate-dnscache-to-unbound \
 		"$subpkgdir"/usr/bin/migrate-dnscache-to-unbound