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go/test/linkmain_run.go
Michael Matloob 6f445a9db5 test: update test/run.go and some tests to use importcfg
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>
2022-10-12 23:16:41 +00:00

84 lines
2.3 KiB
Go

// +build !nacl,!js
// run
// Copyright 2014 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.
// Run the sinit test.
package main
import (
"fmt"
"io/ioutil"
"os"
"os/exec"
"path/filepath"
"strings"
)
var tmpDir string
func cleanup() {
os.RemoveAll(tmpDir)
}
func run(cmdline ...string) {
args := strings.Fields(strings.Join(cmdline, " "))
cmd := exec.Command(args[0], args[1:]...)
out, err := cmd.CombinedOutput()
if err != nil {
fmt.Printf("$ %s\n", cmdline)
fmt.Println(string(out))
fmt.Println(err)
cleanup()
os.Exit(1)
}
}
func runFail(cmdline ...string) {
args := strings.Fields(strings.Join(cmdline, " "))
cmd := exec.Command(args[0], args[1:]...)
out, err := cmd.CombinedOutput()
if err == nil {
fmt.Printf("$ %s\n", cmdline)
fmt.Println(string(out))
fmt.Println("SHOULD HAVE FAILED!")
cleanup()
os.Exit(1)
}
}
func main() {
var err error
tmpDir, err = ioutil.TempDir("", "")
if err != nil {
fmt.Println(err)
os.Exit(1)
}
tmp := func(name string) string {
return filepath.Join(tmpDir, name)
}
importcfg, err := exec.Command("go", "list", "-export", "-f", "{{if .Export}}packagefile {{.ImportPath}}={{.Export}}{{end}}", "std").Output()
if err != nil {
fmt.Println(err)
os.Exit(1)
}
os.WriteFile(tmp("importcfg"), importcfg, 0644)
// helloworld.go is package main
run("go tool compile -p=main -importcfg", tmp("importcfg"), "-o", tmp("linkmain.o"), "helloworld.go")
run("go tool compile -p=main -importcfg", tmp("importcfg"), " -pack -o", tmp("linkmain.a"), "helloworld.go")
run("go tool link -importcfg", tmp("importcfg"), "-o", tmp("linkmain.exe"), tmp("linkmain.o"))
run("go tool link -importcfg", tmp("importcfg"), "-o", tmp("linkmain.exe"), tmp("linkmain.a"))
// linkmain.go is not
run("go tool compile -importcfg", tmp("importcfg"), "-p=notmain -o", tmp("linkmain1.o"), "linkmain.go")
run("go tool compile -importcfg", tmp("importcfg"), "-p=notmain -pack -o", tmp("linkmain1.a"), "linkmain.go")
runFail("go tool link -importcfg", tmp("importcfg"), "-o", tmp("linkmain.exe"), tmp("linkmain1.o"))
runFail("go tool link -importcfg", tmp("importcfg"), "-o", tmp("linkmain.exe"), tmp("linkmain1.a"))
cleanup()
}