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/ncurses.go

@@ -7,11 +7,11 @@ func (t Toolchain) newNcurses() pkg.Artifact {
 		version  = "6.6"
 		checksum = "XvWp4xi6hR_hH8XUoGY26L_pqBSDapJYulhzZqPuR0KNklqypqNc1yNXU-nOjf5w"
 	)
-	return t.NewViaMake("ncurses", version, pkg.NewHTTPGetTar(
+	return t.NewPackage("ncurses", version, pkg.NewHTTPGetTar(
 		nil, "https://ftpmirror.gnu.org/gnu/ncurses/ncurses-"+version+".tar.gz",
 		mustDecode(checksum),
 		pkg.TarGzip,
-	), &MakeAttr{
+	), nil, &MakeHelper{
 		// "tests" are actual demo programs, not a test suite.
 		SkipCheck: true,
 
@@ -20,7 +20,7 @@ func (t Toolchain) newNcurses() pkg.Artifact {
 			{"enable-pc-files"},
 		},
 	},
-		t.Load(PkgConfig),
+		PkgConfig,
 	)
 }
 func init() { artifactsF[Ncurses] = Toolchain.newNcurses }