internal/rosa: migrate to make helper

This migrates artifacts that the helper cannot produce an identical instance of.

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

internal/rosa/zlib.go

@@ -7,19 +7,16 @@ func (t Toolchain) newZlib() pkg.Artifact {
 		version  = "1.3.1"
 		checksum = "E-eIpNzE8oJ5DsqH4UuA_0GDKuQF5csqI8ooDx2w7Vx-woJ2mb-YtSbEyIMN44mH"
 	)
-	return t.New("zlib-"+version, 0, []pkg.Artifact{
-		t.Load(Make),
-	}, nil, nil, `
-cd "$(mktemp -d)"
-CC="clang -fPIC" /usr/src/zlib/configure \
-	--prefix /system
-make "-j$(nproc)" test
-make DESTDIR=/work install
-`, pkg.Path(AbsUsrSrc.Append("zlib"), true,
-		pkg.NewHTTPGetTar(
-			nil, "https://zlib.net/zlib-"+version+".tar.gz",
-			mustDecode(checksum),
-			pkg.TarGzip,
-		)))
+	return t.NewViaMake("zlib", version, pkg.NewHTTPGetTar(
+		nil, "https://zlib.net/zlib-"+version+".tar.gz",
+		mustDecode(checksum),
+		pkg.TarGzip,
+	), &MakeAttr{
+		OmitDefaults: true,
+		Env: []string{
+			"CC=clang -fPIC",
+		},
+		Build: `""`,
+	})
 }
 func init() { artifactsF[Zlib] = Toolchain.newZlib }