internal/rosa: perl artifact

This runs without tests for now, will be enabled after some toolchain patches.

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

internal/rosa/perl.go

@@ -0,0 +1,32 @@
+package rosa
+
+import "hakurei.app/internal/pkg"
+
+// NewPerl returns a [pkg.Artifact] containing an installation of perl.
+func (t Toolchain) NewPerl() pkg.Artifact {
+	const (
+		version  = "5.42.0"
+		checksum = "2KR7Jbpk-ZVn1a30LQRwbgUvg2AXlPQZfzrqCr31qD5-yEsTwVQ_W76eZH-EdxM9"
+	)
+	return t.New("perl-"+version, []pkg.Artifact{
+		t.NewMake(),
+	}, nil, nil, `
+chmod -R +w /usr/src/perl && cd /usr/src/perl
+
+./Configure \
+	-des \
+	-Dprefix=/system \
+	-Dcc="${CC}" \
+	-Dcflags='--std=gnu99' \
+	-Dldflags="${LDFLAGS}" \
+	-Doptimize='-O2 -fno-strict-aliasing' \
+	-Duseithreads
+make "-j$(nproc)" # test
+make DESTDIR=/work install
+`, pkg.Path(AbsUsrSrc.Append("perl"), true, pkg.NewHTTPGetTar(
+		nil,
+		"https://www.cpan.org/src/5.0/perl-"+version+".tar.gz",
+		mustDecode(checksum),
+		pkg.TarGzip,
+	)))
+}