# building with GOENV (#46815).

# Unset variables set by the TestScript harness. Users typically won't
# explicitly configure these, and #46815 doesn't repro if they are.
env GOOS=
env GOARCH=
env GOEXPERIMENT=

env GOENV=windows-amd64
go build internal/abi

env GOENV=ios-arm64
go build internal/abi

env GOENV=linux-mips
go build internal/abi

-- windows-amd64 --

stderr 'GOVERSION cannot be modified'
! go env -w GOENV=/env
stderr 'GOENV can only be set using the OS environment'
! go env -w GODEBUG=gctrace=1
stderr 'GODEBUG can only be set using the OS environment'

# go env -w can set multiple variables
env CC=
go env CC
! stdout ^xyc$
go env -w GOOS=$GOOS CC=xyc
grep CC=xyc $GOENV
# file is maintained in sorted order
grep 'CC=xyc\nGOOS=' $GOENV
go env CC
stdout ^xyc$

	t.Parallel()

	goEnv := func(arg string) string {
		cmd := testenv.Command(t, testenv.GoToolPath(t), "env", arg)
		cmd.Stderr = new(bytes.Buffer)

		line, err := cmd.Output()
		if err != nil {
			t.Fatalf("%v: %v\n%s", cmd, err, cmd.Stderr)
		}
		out := string(bytes.TrimSpace(line))
		t.Logf("%v: %q", cmd, out)
		return out
	}

	cc := goEnv("CC")
	cgoCflags := goEnv("CGO_CFLAGS")

	"internal/platform"
	"internal/testenv"
	"strings"
	"testing"
)

func TestASAN(t *testing.T) {
	testenv.MustHaveGoBuild(t)
	testenv.MustHaveCGO(t)
	goos, err := goEnv("GOOS")
	if err != nil {
		t.Fatal(err)
	}
	goarch, err := goEnv("GOARCH")
	if err != nil {
		t.Fatal(err)
	}
	// The asan tests require support for the -asan option.
	if !platform.ASanSupported(goos, goarch) {

import (
	"internal/testenv"
	"strings"
	"testing"
)

func TestTSAN(t *testing.T) {
	testenv.MustHaveGoBuild(t)
	testenv.MustHaveCGO(t)

	goos, err := goEnv("GOOS")
	if err != nil {
		t.Fatal(err)
	}
	goarch, err := goEnv("GOARCH")
	if err != nil {
		t.Fatal(err)
	}
	// The msan tests require support for the -msan option.
	if !compilerRequiredTsanVersion(goos, goarch) {

import (
	"internal/platform"
	"internal/testenv"
	"strings"
	"testing"
)

func TestMSAN(t *testing.T) {
	testenv.MustHaveGoBuild(t)
	testenv.MustHaveCGO(t)
	goos, err := goEnv("GOOS")
	if err != nil {
		t.Fatal(err)
	}
	goarch, err := goEnv("GOARCH")
	if err != nil {
		t.Fatal(err)
	}
	// The msan tests require support for the -msan option.
	if !platform.MSanSupported(goos, goarch) {

	testenv.MustHaveGoBuild(t)
	testenv.MustHaveCGO(t)
	testenv.MustHaveBuildMode(t, "c-shared")

	t.Parallel()
	requireOvercommit(t)

	GOOS, err := goEnv("GOOS")
	if err != nil {
		t.Fatal(err)
	}

	GOARCH, err := goEnv("GOARCH")
	if err != nil {
		t.Fatal(err)
	}

	libExt := "so"
	if GOOS == "darwin" {
		libExt = "dylib"
	}

	cases := []struct {
		src       string

	if testing.Short() {
		t.Skip("libfuzzer tests can take upwards of minutes to run; skipping in short mode")
	}
	testenv.MustHaveGoBuild(t)
	testenv.MustHaveCGO(t)

	goos, err := goEnv("GOOS")
	if err != nil {
		t.Fatal(err)
	}
	goarch, err := goEnv("GOARCH")
	if err != nil {
		t.Fatal(err)
	}
	if !libFuzzerSupported(goos, goarch) {
		t.Skipf("skipping on %s/%s; libfuzzer option is not supported.", goos, goarch)
	}

# license that can be found in the LICENSE file.

rfork e

if(! test -f ../bin/go){
	echo 'run.rc must be run from $GOROOT/src after installing cmd/go' >[1=2]
	exit wrongdir
}

GOENV=off
eval `{../bin/go tool dist env}

GOPATH=/nonexist-gopath

		}
	}
}

func cCompilerCmd(t *testing.T) []string {
	cc, err := quoted.Split(goEnv(t, "CC"))
	if err != nil {
		t.Skipf("parsing go env CC: %s", err)
	}
	if len(cc) == 0 {
		t.Skipf("no C compiler")
	}
	testenv.MustHaveExecPath(t, cc[0])

	out := goEnv(t, "GOGCCFLAGS")
	quote := '\000'
	start := 0
	lastSpace := true
	backslash := false
	s := string(out)