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![Matthew Dempsky](/assets/img/avatar_default.png)
Historically, we sometimes recorded imports based on either package path ("net/http") or object file path ("net/http.a"). But modern Go build systems always use package path, and the extra ".a" suffix doesn't mean anything anyway. Change-Id: I6060ef8bafa324168710d152a353f4d8db062133 Reviewed-on: https://go-review.googlesource.com/c/go/+/395254 Trust: Matthew Dempsky <mdempsky@google.com> Run-TryBot: Matthew Dempsky <mdempsky@google.com> TryBot-Result: Gopher Robot <gobot@golang.org> Reviewed-by: Cherry Mui <cherryyz@google.com>
57 lines
1.2 KiB
Go
57 lines
1.2 KiB
Go
// +build !nacl,!js,gc
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// run
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// Copyright 2011 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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// Test that compiling with optimization turned on produces faster code.
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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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)
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func main() {
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err := os.Chdir(filepath.Join(".", "fixedbugs", "bug369.dir"))
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check(err)
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tmpDir, err := ioutil.TempDir("", "bug369")
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check(err)
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defer os.RemoveAll(tmpDir)
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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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check(os.Mkdir(tmp("test"), 0777))
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run("go", "tool", "compile", "-p=test/slow", "-N", "-o", tmp("test/slow.o"), "pkg.go")
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run("go", "tool", "compile", "-p=test/fast", "-o", tmp("test/fast.o"), "pkg.go")
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run("go", "tool", "compile", "-p=main", "-D", "test", "-I", tmpDir, "-o", tmp("main.o"), "main.go")
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run("go", "tool", "link", "-L", tmpDir, "-o", tmp("a.exe"), tmp("main.o"))
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run(tmp("a.exe"))
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}
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func run(name string, args ...string) {
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cmd := exec.Command(name, args...)
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out, err := cmd.CombinedOutput()
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if err != nil {
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fmt.Println(string(out))
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fmt.Println(err)
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os.Exit(1)
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}
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}
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func check(err error) {
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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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}
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