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![Michael Matloob](/assets/img/avatar_default.png)
Using importcfg instead of depending on the existence of .a files for standard library packages will enable us to remove the .a files in a future cl. Change-Id: I6108384224508bc37d82fd990fc4a8649222502c Reviewed-on: https://go-review.googlesource.com/c/go/+/440222 Reviewed-by: Bryan Mills <bcmills@google.com> Reviewed-by: Michael Matloob <matloob@golang.org> Run-TryBot: Michael Matloob <matloob@golang.org> TryBot-Result: Gopher Robot <gobot@golang.org>
84 lines
2.3 KiB
Go
84 lines
2.3 KiB
Go
// +build !nacl,!js
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// run
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// Copyright 2014 The Go Authors. All rights reserved.
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// Use of this source code is governed by a BSD-style
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// license that can be found in the LICENSE file.
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// Run the sinit test.
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package main
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import (
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"fmt"
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"io/ioutil"
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"os"
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"os/exec"
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"path/filepath"
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"strings"
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)
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var tmpDir string
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func cleanup() {
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os.RemoveAll(tmpDir)
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}
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func run(cmdline ...string) {
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args := strings.Fields(strings.Join(cmdline, " "))
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cmd := exec.Command(args[0], args[1:]...)
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out, err := cmd.CombinedOutput()
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if err != nil {
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fmt.Printf("$ %s\n", cmdline)
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fmt.Println(string(out))
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fmt.Println(err)
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cleanup()
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os.Exit(1)
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}
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}
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func runFail(cmdline ...string) {
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args := strings.Fields(strings.Join(cmdline, " "))
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cmd := exec.Command(args[0], args[1:]...)
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out, err := cmd.CombinedOutput()
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if err == nil {
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fmt.Printf("$ %s\n", cmdline)
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fmt.Println(string(out))
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fmt.Println("SHOULD HAVE FAILED!")
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cleanup()
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os.Exit(1)
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}
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}
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func main() {
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var err error
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tmpDir, err = ioutil.TempDir("", "")
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if err != nil {
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fmt.Println(err)
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os.Exit(1)
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}
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tmp := func(name string) string {
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return filepath.Join(tmpDir, name)
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}
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importcfg, err := exec.Command("go", "list", "-export", "-f", "{{if .Export}}packagefile {{.ImportPath}}={{.Export}}{{end}}", "std").Output()
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if err != nil {
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fmt.Println(err)
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os.Exit(1)
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}
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os.WriteFile(tmp("importcfg"), importcfg, 0644)
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// helloworld.go is package main
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run("go tool compile -p=main -importcfg", tmp("importcfg"), "-o", tmp("linkmain.o"), "helloworld.go")
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run("go tool compile -p=main -importcfg", tmp("importcfg"), " -pack -o", tmp("linkmain.a"), "helloworld.go")
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run("go tool link -importcfg", tmp("importcfg"), "-o", tmp("linkmain.exe"), tmp("linkmain.o"))
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run("go tool link -importcfg", tmp("importcfg"), "-o", tmp("linkmain.exe"), tmp("linkmain.a"))
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// linkmain.go is not
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run("go tool compile -importcfg", tmp("importcfg"), "-p=notmain -o", tmp("linkmain1.o"), "linkmain.go")
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run("go tool compile -importcfg", tmp("importcfg"), "-p=notmain -pack -o", tmp("linkmain1.a"), "linkmain.go")
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runFail("go tool link -importcfg", tmp("importcfg"), "-o", tmp("linkmain.exe"), tmp("linkmain1.o"))
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runFail("go tool link -importcfg", tmp("importcfg"), "-o", tmp("linkmain.exe"), tmp("linkmain1.a"))
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cleanup()
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}
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