// Copyright 2019 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.

//go:build wasm || windows

package ld

const syscallExecSupported = false

func (ctxt *Link) execArchive(argv []string) {
	panic("should never arrive here")

// license that can be found in the LICENSE file.

//go:build !wasm && !windows

package ld

import (
	"os"
	"os/exec"
	"path/filepath"
	"syscall"
)

const syscallExecSupported = true

// execArchive invokes the archiver tool with syscall.Exec(), with
// the expectation that this is the last thing that takes place
// in the linking operation.
func (ctxt *Link) execArchive(argv []string) {

	// This will reduce peak RSS for the link (and speed up linking of
	// large applications), since when the archive command runs we
	// won't be holding onto all of the linker's live memory.
	if syscallExecSupported && !ownTmpDir {
		runAtExitFuncs()
		ctxt.execArchive(argv)
		panic("should not get here")
	}

	// Otherwise invoke 'ar' in the usual way (fork + exec).