"cmd/internal/quoted"
)

var goflags []string // cached $GOFLAGS list; can be -x or --x form

// GOFLAGS returns the flags from $GOFLAGS.
// The list can be assumed to contain one string per flag,
// with each string either beginning with -name or --name.
func GOFLAGS() []string {
	InitGOFLAGS()
	return goflags
}

// InitGOFLAGS initializes the goflags list from $GOFLAGS.

	testenv.MustHaveGoBuild(t)

	if !testWork {
		defer func() {
			os.Remove("libgo2.a")
			os.Remove("libgo2.h")
		}()
	}

	cmd := exec.Command("go", "build", "-buildmode=c-archive", "-gcflags=-shared=false", "-o", "libgo2.a", "./libgo2")
	out, err := cmd.CombinedOutput()
	t.Logf("%v\n%s", cmd.Args, out)
	if err != nil {
		t.Fatal(err)
	}
	checkLineComments(t, "libgo2.h")

//
//	    // Cgo directives
//	    CgoCFLAGS    []string // cgo: flags for C compiler
//	    CgoCPPFLAGS  []string // cgo: flags for C preprocessor
//	    CgoCXXFLAGS  []string // cgo: flags for C++ compiler
//	    CgoFFLAGS    []string // cgo: flags for Fortran compiler
//	    CgoLDFLAGS   []string // cgo: flags for linker
//	    CgoPkgConfig []string // cgo: pkg-config names
//

		t.Fatal(err)
	}

	// Link with -v -linkmode=external to see the flags we pass to the
	// external linker.
	ldflags := "-ldflags=-v -linkmode=external -tmpdir=" + linktmp
	var out0 []byte
	for i := 0; i < 5; i++ {
		cmd := testenv.Command(t, testenv.GoToolPath(t), "build", ldflags, "-o", exe, src)
		out, err := cmd.CombinedOutput()
		if err != nil {

(the actual output may differ from what you see here):
</p>

<pre>
$ cat x.go
package main

func main() {
	println(3)
}
$ GOOS=linux GOARCH=amd64 go tool compile -S x.go        # or: go build -gcflags -S x.go
"".main STEXT size=74 args=0x0 locals=0x10
	0x0000 00000 (x.go:3)	TEXT	"".main(SB), $16-0
	0x0000 00000 (x.go:3)	MOVQ	(TLS), CX
	0x0009 00009 (x.go:3)	CMPQ	SP, 16(CX)
	0x000d 00013 (x.go:3)	JLS	67

		t.Logf("%s %v -c -o %s %s", cc, cflags, obj, csrcFile)
		if out, err := testenv.Command(t, cc, append(cflags, "-c", "-o", obj, csrcFile)...).CombinedOutput(); err != nil {
			t.Logf("%s", out)
			t.Fatal(err)
		}
	}

	sysoObj := filepath.Join(dir, "ldr.syso")
	t.Logf("%s %v -nostdlib -r -o %s %v", cc, cflags, sysoObj, objs)

	skipIfGccgo(t, "gccgo does not support -ldflags -X")
	tooSlow(t, "compiles and links a binary")

	tg := testgo(t)
	defer tg.cleanup()
	tg.parallel()
	tg.tempFile("main.go", `package main
		var extern string
		func main() {
			println(extern)
		}`)
	tg.run("run", "-ldflags", `-X "main.extern=hello world"`, tg.path("main.go"))
	tg.grepStderr("^hello world", `ldflags -X "main.extern=hello world"' failed`)
}

	defer func() {
		if err := b.Close(); err != nil {
			base.Fatal(err)
		}
	}()

	cppflags, cflags, cxxflags, fflags, ldflags, err := b.CFlags(&load.Package{})
	if err != nil {
		// Should not happen - b.CFlags was given an empty package.
		fmt.Fprintf(os.Stderr, "go: invalid cflags: %v\n", err)
		return nil
	}
	cmd := b.GccCmd(".", "")

	join := func(s []string) string {

testargs=()
eval "testargs=(${KUBE_TEST_ARGS:-})"

# Used to filter verbose test output.
go_test_grep_pattern=".*"

goflags=()
# The junit report tool needs full test case information to produce a
# meaningful report.
if [[ -n "${KUBE_JUNIT_REPORT_DIR}" ]] ; then
  goflags+=(-v)
  goflags+=(-json)
  # Show only summary lines by matching lines like "status package/test"

		extraLDFlags := ""
		if strings.Contains(testenv.Builder(), "clang") {
			extraLDFlags += " -fuse-ld=lld"
		}
		const cflags = "-flto -Wno-lto-type-mismatch -Wno-unknown-warning-option"
		cmd.Env = append(cmd.Environ(),
			"CGO_CFLAGS="+cflags,
			"CGO_CXXFLAGS="+cflags,
			"CGO_LDFLAGS="+cflags+extraLDFlags)
	}
	out, err := cmd.CombinedOutput()
	if string(out) != "OK\n" {
		t.Errorf("%s", string(out))
	}