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cmd/go, cmd/dist: temporarily disable race and PIE internal link tests on Alpine

In an effort to at least understand the complete set of things not
working on Alpine Linux, I've been trying to get the build passing
again, even with tests disabled.

The race detector is broken on Alpine. That is #14481 (and #9918).
So disable those tests for now.

Also, internal linking with PIE doesn't work on Alpine yet.
That is #18243. So disable that test for now.

With this CL, all.bash almost passes. There's some cgo test failing
still, but there's no bug yet, so that can be a separate CL.

Change-Id: I3ffbb0e787ed54cb82f298b6bd5bf3ccfbc82622
Reviewed-on: https://go-review.googlesource.com/41678
Run-TryBot: Brad Fitzpatrick <bradfitz@golang.org>
TryBot-Result: Gobot Gobot <gobot@golang.org>
Reviewed-by: Ian Lance Taylor <iant@golang.org>
This commit is contained in:
Brad Fitzpatrick 2017-04-25 06:11:09 +00:00
parent b692e7490a
commit 7fc82104ea
2 changed files with 29 additions and 13 deletions

18
src/cmd/dist/test.go vendored
View File

@ -15,6 +15,7 @@ import (
"os/exec"
"path/filepath"
"regexp"
"runtime"
"strconv"
"strings"
"sync"
@ -465,7 +466,10 @@ func (t *tester) registerTests() {
}
// Test internal linking of PIE binaries where it is supported.
if t.goos == "linux" && t.goarch == "amd64" {
if t.goos == "linux" && t.goarch == "amd64" && !isAlpineLinux() {
// Issue 18243: We don't have a way to set the default
// dynamic linker used in internal linking mode. So
// this test is skipped on Alpine.
t.tests = append(t.tests, distTest{
name: "pie_internal",
heading: "internal linking of -buildmode=pie",
@ -1083,11 +1087,21 @@ func (t *tester) hasBash() bool {
func (t *tester) raceDetectorSupported() bool {
switch t.gohostos {
case "linux", "darwin", "freebsd", "windows":
return t.cgoEnabled && t.goarch == "amd64" && t.gohostos == t.goos
// The race detector doesn't work on Alpine Linux:
// golang.org/issue/14481
return t.cgoEnabled && t.goarch == "amd64" && t.gohostos == t.goos && !isAlpineLinux()
}
return false
}
func isAlpineLinux() bool {
if runtime.GOOS != "linux" {
return false
}
fi, err := os.Lstat("/etc/alpine-release")
return err == nil && fi.Mode().IsRegular()
}
func (t *tester) runFlag(rx string) string {
if t.compileOnly {
return "-run=^$"

View File

@ -7,7 +7,6 @@ package main_test
import (
"bytes"
"fmt"
"go/build"
"go/format"
"internal/race"
"internal/testenv"
@ -100,7 +99,9 @@ func TestMain(m *testing.M) {
switch runtime.GOOS {
case "linux", "darwin", "freebsd", "windows":
canRace = canCgo && runtime.GOARCH == "amd64"
// The race detector doesn't work on Alpine Linux:
// golang.org/issue/14481
canRace = canCgo && runtime.GOARCH == "amd64" && !isAlpineLinux()
}
}
@ -125,6 +126,14 @@ func TestMain(m *testing.M) {
os.Exit(r)
}
func isAlpineLinux() bool {
if runtime.GOOS != "linux" {
return false
}
fi, err := os.Lstat("/etc/alpine-release")
return err == nil && fi.Mode().IsRegular()
}
// The length of an mtime tick on this system. This is an estimate of
// how long we need to sleep to ensure that the mtime of two files is
// different.
@ -3037,15 +3046,8 @@ func TestGoInstallPkgdir(t *testing.T) {
}
func TestGoTestRaceInstallCgo(t *testing.T) {
switch sys := runtime.GOOS + "/" + runtime.GOARCH; sys {
case "darwin/amd64", "freebsd/amd64", "linux/amd64", "windows/amd64":
// ok
default:
t.Skip("no race detector on %s", sys)
}
if !build.Default.CgoEnabled {
t.Skip("no race detector without cgo")
if !canRace {
t.Skip("skipping because race detector not supported")
}
// golang.org/issue/10500.