internal/rosa/make: migrate to helper interface

This also updates all affected artifacts to use new behaviour.

Signed-off-by: Ophestra <cat@gensokyo.uk>

internal/rosa/musl-obstack.go

@@ -7,27 +7,24 @@ func (t Toolchain) newMuslObstack() pkg.Artifact {
 		version  = "1.2.3"
 		checksum = "tVRY_KjIlkkMszcaRlkKdBVQHIXTT_T_TiMxbwErlILXrOBosocg8KklppZhNdCG"
 	)
-	return t.NewViaMake("musl-obstack", version, pkg.NewHTTPGetTar(
+	return t.NewPackage("musl-obstack", version, pkg.NewHTTPGetTar(
 		nil, "https://github.com/void-linux/musl-obstack/archive/refs/tags/"+
 			"v"+version+".tar.gz",
 		mustDecode(checksum),
 		pkg.TarGzip,
-	), &MakeAttr{
-		Writable: true,
+	), &PackageAttr{
 		Env: []string{
 			"CC=cc -fPIC",
 		},
-		ScriptEarly: `
-cd /usr/src/musl-obstack
-./bootstrap.sh
-`,
+	}, &MakeHelper{
+		Generate: "./bootstrap.sh",
 	},
-		t.Load(M4),
-		t.Load(Perl),
-		t.Load(Autoconf),
-		t.Load(Automake),
-		t.Load(Libtool),
-		t.Load(PkgConfig),
+		M4,
+		Perl,
+		Autoconf,
+		Automake,
+		Libtool,
+		PkgConfig,
 	)
 }
 func init() { artifactsF[MuslObstack] = Toolchain.newMuslObstack }