feat(pigz): add madler/pigz llar formula

madler/pigz/pigz_cmp.gox

@@ -0,0 +1,3 @@
+compareVer (a, b) => {
+	return semver.Compare(a.Version, b.Version)
+}

madler/pigz/v2.4/pigz_llar.gox

@@ -0,0 +1,54 @@
+import "os"
+import "path/filepath"
+
+id "madler/pigz"
+fromVer "v2.4"
+
+onRequire (proj, deps) => {
+	deps.require "madler/zlib", "v1.2.11"
+}
+
+onBuild (ctx, proj, out) => {
+	installDir, err := ctx.outputDir()
+	if err != nil {
+		out.addErr err
+		return
+	}
+
+	src := ctx.SourceDir
+	a := autotools.new(src, src+"/_build", installDir)
+	for _, dep := range proj.Deps {
+		depDir, err := ctx.outputDir(dep)
+		if err != nil {
+			out.addErr err
+			return
+		}
+		a.use depDir
+	}
+
+	err = a.build()
+	if err != nil {
+		out.addErr err
+		return
+	}
+
+	// Install binaries manually (no make install target)
+	binDir := filepath.Join(installDir, "bin")
+	err = os.MkdirAll(binDir, 0755)
+	if err != nil {
+		out.addErr err
+		return
+	}
+
+	exec "cp", filepath.Join(src, "pigz"), filepath.Join(binDir, "pigz")
+	if lastErr != nil {
+		out.addErr lastErr
+		return
+	}
+
+	exec "ln", "-sf", "pigz", filepath.Join(binDir, "unpigz")
+	if lastErr != nil {
+		out.addErr lastErr
+		return
+	}
+}

madler/pigz/versions.json

@@ -0,0 +1,4 @@
+{
+	"path": "madler/pigz",
+	"deps": {}
+}