source "${version_file}"
}

# Prints the value that needs to be passed to the -ldflags parameter of go build
# in order to set the Kubernetes based on the git tree status.
# IMPORTANT: if you update any of these, also update the lists in
# hack/print-workspace-status.sh.
kube::version::ldflags() {
  kube::version::get_version_vars

  local -a ldflags
  function add_ldflag() {
    local key=${1}
    local val=${2}

! go build -x -compiler gccgo
stderr 'gccgo.*\-L [^ ]*alibpath \-lalib' # make sure that Go-inline "#cgo LDFLAGS:" ("-L alibpath -lalib") passed to gccgo linking stage
! stderr 'gccgo.*-lalib.*-lalib' # make sure -lalib is only passed once

-- go.mod --
module m
-- cgoref.go --
package main
// #cgo LDFLAGS: -L alibpath -lalib
// void f(void) {}
import "C"

	case O_RDWR:
		rights = fileRights
	}

	var fdflags fdflags
	if (openmode & O_APPEND) != 0 {
		fdflags |= FDFLAG_APPEND
	}
	if (openmode & O_SYNC) != 0 {
		fdflags |= FDFLAG_SYNC
	}

	var fd int32
	errno := path_open(
		dirFd,
		LOOKUP_SYMLINK_FOLLOW,
		pathPtr,
		pathLen,
		oflags,
		rights,
		fileRights,
		fdflags,
		unsafe.Pointer(&fd),
	)

# runtime/cgo (issue #31544).
go build -ldflags=-linkmode=external
! stderr runtime/cgo
exec ./hello
stdout Hello

# Some targets don't support -static
[GOOS:darwin] skip 'no static linking on Darwin'
[GOOS:solaris] skip 'no static linking on Solaris'

# Building with -linkmode=external -extldflags=-static should work.
go build -ldflags='-linkmode=external -extldflags=-static'
! stderr runtime/cgo

			// expect form ssa/phase/flag
			// e.g. -d=ssa/generic_cse/time
			// _ in phase name also matches space
			phase := name[4:]
			flag := "debug" // default flag is debug
			if i := strings.Index(phase, "/"); i >= 0 {
				flag = phase[i+1:]
				phase = phase[:i]
			}
			err := f.debugSSA(phase, flag, val, valstring)
			if err != "" {
				log.Fatalf(err)
			}

	// the termios(3) manpage.
	termios.Iflag &^= unix.IGNBRK | unix.BRKINT | unix.PARMRK | unix.ISTRIP | unix.INLCR | unix.IGNCR | unix.ICRNL | unix.IXON
	termios.Oflag &^= unix.OPOST
	termios.Lflag &^= unix.ECHO | unix.ECHONL | unix.ICANON | unix.ISIG | unix.IEXTEN
	termios.Cflag &^= unix.CSIZE | unix.PARENB
	termios.Cflag |= unix.CS8
	termios.Cc[unix.VMIN] = 1
	termios.Cc[unix.VTIME] = 0

# First build: no external linking expected
go build -ldflags=-tmpdir=tmp1 -o $devnull ./noUseOfCgo &

# Second build: using only "runtime/cgo", expect internal linking.
go build -ldflags=-tmpdir=tmp2 -o $devnull ./usesInternalCgo &

# Third build: program uses only "runtime/cgo", so we would normally
# expect internal linking, except that cflags contain suspicious entries
# (in this case, a flag that does not appear on the allow list).

	dir := newTempDir(t)
	defer dir.RemoveAll(t)

	var ldflags string
	for i := 1; i <= 10; i++ {
		ldflags += fmt.Sprintf("-X=main.S%d=%d -X=cmd/cgo/internal/testsanitizers/testdata/asan_linkerx/p.S%d=%d ", i, i, i, i)
	}

	// build the binary
	outPath := dir.Join("main.exe")
	cmd := config.goCmd("build", "-ldflags="+ldflags, "-o", outPath)
	cmd.Dir = srcPath("asan_linkerx")
	mustRun(t, cmd)

$(MD_PATH)/$(BIN_NAME)-amd64: $(MD_PATH)/main.go
	cd $(MD_PATH) && CGO_ENABLED=0 GOOS=linux GOARCH=amd64 go build -o $(BIN_NAME)-amd64 -a -tags netgo -ldflags '-w -extldflags "-static"' main.go

$(MD_PATH)/$(BIN_NAME)-arm64: $(MD_PATH)/main.go
	cd $(MD_PATH) && CGO_ENABLED=0 GOOS=linux GOARCH=arm64 go build -o $(BIN_NAME)-arm64 -a -tags netgo -ldflags '-w -extldflags "-static"' main.go

build: $(MD_PATH)/$(BIN_NAME)-amd64  $(MD_PATH)/$(BIN_NAME)-arm64

build_and_push: build

${TARGET_OUT}/release/istioctl-linux-amd64:
	GOOS=linux GOARCH=amd64 LDFLAGS=$(RELEASE_LDFLAGS) common/scripts/gobuild.sh $@ ./istioctl/cmd/istioctl
${TARGET_OUT}/release/istioctl-linux-armv7:
	GOOS=linux GOARCH=arm GOARM=7 LDFLAGS=$(RELEASE_LDFLAGS) common/scripts/gobuild.sh $@ ./istioctl/cmd/istioctl
${TARGET_OUT}/release/istioctl-linux-arm64:
	GOOS=linux GOARCH=arm64 LDFLAGS=$(RELEASE_LDFLAGS) common/scripts/gobuild.sh $@ ./istioctl/cmd/istioctl