internal/rosa: gzip artifact

Toybox does not implement this, and it is used by many programs, including toybox itself.

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

internal/rosa/gnu.go

@@ -79,6 +79,29 @@ make DESTDIR=/work install
 }
 func init() { artifactsF[Autoconf] = Toolchain.newAutoconf }
 
+func (t Toolchain) newGzip() pkg.Artifact {
+	const (
+		version  = "1.14"
+		checksum = "NWhjUavnNfTDFkZJyAUonL9aCOak8GVajWX2OMlzpFnuI0ErpBFyj88mz2xSjz0q"
+	)
+	return t.New("gzip-"+version, false, []pkg.Artifact{
+		t.Load(Make),
+	}, nil, nil, `
+cd "$(mktemp -d)"
+/usr/src/gzip/configure \
+	--prefix=/system \
+	--build="${ROSA_TRIPLE}"
+make "-j$(nproc)"
+make DESTDIR=/work install
+`, pkg.Path(AbsUsrSrc.Append("gzip"), false, pkg.NewHTTPGetTar(
+		nil,
+		"https://ftp.gnu.org/gnu/gzip/gzip-"+version+".tar.gz",
+		mustDecode(checksum),
+		pkg.TarGzip,
+	)))
+}
+func init() { artifactsF[Gzip] = Toolchain.newGzip }
+
 func (t Toolchain) newGettext() pkg.Artifact {
 	const (
 		version  = "0.26"