internal/rosa: texinfo artifact

Yet another wheel reinvented by GNU. Required to shut some GNU programs up.

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

internal/rosa/gnu.go

@@ -283,6 +283,24 @@ test_disable 'int main(){return 0;}' gnulib-tests/test-lchown.c
 }
 func init() { artifactsF[Coreutils] = Toolchain.newCoreutils }
 
+func (t Toolchain) newTexinfo() pkg.Artifact {
+	const (
+		version  = "7.2"
+		checksum = "9EelM5b7QGMAY5DKrAm_El8lofBGuFWlaBPSBhh7l_VQE8054MBmC0KBvGrABqjv"
+	)
+	return t.NewViaMake("texinfo", version, pkg.NewHTTPGetTar(
+		nil, "https://ftpmirror.gnu.org/gnu/texinfo/texinfo-"+version+".tar.gz",
+		mustDecode(checksum),
+		pkg.TarGzip,
+	), &MakeAttr{
+		// nonstandard glibc extension
+		SkipCheck: true,
+	},
+		t.Load(Perl),
+	)
+}
+func init() { artifactsF[Texinfo] = Toolchain.newTexinfo }
+
 func (t Toolchain) newGperf() pkg.Artifact {
 	const (
 		version  = "3.3"