if [[ "${DBG:-}" == 1 ]]; then
      # Debugging - disable optimizations and inlining and trimPath
      gogcflags="${gogcflags} all=-N -l"
  else
      # Not debugging - disable symbols and DWARF, trim embedded paths
      goldflags="${goldflags} -s -w"
      goflags+=("-trimpath")
  fi

  # Extract tags if any specified in GOFLAGS

	goCmd(env, goBinary, "install", args...)
}

func appendCompilerFlags(args []string) []string {
	if gogcflags != "" {
		args = append(args, "-gcflags=all="+gogcflags)
	}
	if goldflags != "" {
		args = append(args, "-ldflags=all="+goldflags)
	}
	return args
}

func goCmd(env []string, goBinary string, cmd string, args ...string) {
	goCmd := []string{goBinary, cmd}

.EXPORT_ALL_VARIABLES:
OUT_DIR ?= _output
BIN_DIR := $(OUT_DIR)/bin

ifdef KUBE_GOFLAGS
$(info KUBE_GOFLAGS is now deprecated. Please use GOFLAGS instead.)
ifndef GOFLAGS
GOFLAGS := $(KUBE_GOFLAGS)
unexport KUBE_GOFLAGS
else
$(error Both KUBE_GOFLAGS and GOFLAGS are set. Please use just GOFLAGS)
endif
endif

# This controls the verbosity of the build.  Higher numbers mean more output.
KUBE_VERBOSE ?= 1

define ALL_HELP_INFO

    --env "GO_VERSION=${GO_VERSION:-}"
    --env "GOTOOLCHAIN=${GOTOOLCHAIN:-}"
    --env "GOFLAGS=${GOFLAGS:-}"
    --env "GOGCFLAGS=${GOGCFLAGS:-}"
    --env "SOURCE_DATE_EPOCH=${SOURCE_DATE_EPOCH:-}"
  )

  # use GOLDFLAGS only if it is set explicitly.
  if [[ -v GOLDFLAGS ]]; then
    docker_run_opts+=(
      --env "GOLDFLAGS=${GOLDFLAGS:-}"
    )
  fi

  if [[ -n "${DOCKER_CGROUP_PARENT:-}" ]]; then

		run = append(run, "-run="+opts.runTests)
	}
	if opts.cpu != "" {
		run = append(run, "-cpu="+opts.cpu)
	}
	if t.json {
		run = append(run, "-json")
	}

	if opts.gcflags != "" {
		build = append(build, "-gcflags=all="+opts.gcflags)
	}
	if opts.ldflags != "" {
		build = append(build, "-ldflags="+opts.ldflags)
	}
	if opts.buildmode != "" {
		build = append(build, "-buildmode="+opts.buildmode)
	}

		switch ev.Name {
		case "GOGCCFLAGS": // GOGCCFLAGS cannot be modified
		case "CGO_CPPFLAGS":
			ev.Changed = ev.Value != ""
		case "PKG_CONFIG":
			ev.Changed = ev.Value != cfg.DefaultPkgConfig
		case "CGO_CXXFLAGS", "CGO_CFLAGS", "CGO_FFLAGS", "GGO_LDFLAGS":
			ev.Changed = ev.Value != work.DefaultCFlags
		}
	}

	return ret
}

// argKey returns the KEY part of the arg KEY=VAL, or else arg itself.

	if err != nil {
		t.Fatal(err)
	}
	defer os.RemoveAll(dir)

	dst := filepath.Join(dir, strings.TrimSuffix(file, ".go"))
	cmd := exec.Command("go", "build", "-gcflags=-L -e", "-o="+dst, path(file)) // TODO(gri) no need for -gcflags=-L if go tool is adjusted
	out, err := cmd.CombinedOutput()
	if err == nil {
		t.Errorf("expected cgo to fail but it succeeded")
	}

	lines := bytes.Split(out, []byte("\n"))

# GOHOSTARCH=386 on an amd64 machine.
#
# GOARCH: The target architecture for installed packages and tools.
#
# GOOS: The target operating system for installed packages and tools.
#
# GO_GCFLAGS: Additional go tool compile arguments to use when
# building the packages and commands.
#
# GO_LDFLAGS: Additional go tool link arguments to use when
# building the commands.
#

	"internal/platform"
	"internal/testenv"
	"log"
	"os"
	"os/exec"
	"path/filepath"
	"runtime"
	"strings"
	"testing"
	"time"
)

var globalSkip = func(t *testing.T) {}

var gcflags string = os.Getenv("GO_GCFLAGS")
var goroot string

func TestMain(m *testing.M) {
	flag.Parse()
	log.SetFlags(log.Lshortfile)
	os.Exit(testMain(m))
}

// tmpDir is used to cleanup logged commands -- s/tmpDir/$TMPDIR/

// and then run them with os.StartProcess or exec.Command.
func HasGoBuild() bool {
	if os.Getenv("GO_GCFLAGS") != "" {
		// It's too much work to require every caller of the go command
		// to pass along "-gcflags="+os.Getenv("GO_GCFLAGS").
		// For now, if $GO_GCFLAGS is set, report that we simply can't
		// run go build.
		return false
	}

	goBuildOnce.Do(func() {