# This test checks that external linking with --gc-sections does not strip version information.

[short] skip
[!cgo] skip
[GOOS:aix] skip  # no --gc-sections
[GOOS:darwin] skip  # no --gc-sections

go build -ldflags='-linkmode=external -extldflags=-Wl,--gc-sections'
go version hello$GOEXE
! stdout 'not a Go executable'
! stderr 'not a Go executable'

-- go.mod --
module hello
-- hello.go --
package main

/*
*/
import "C"

env GO111MODULE=off

# check for linker name in error message about linker crash
[!compiler:gc] skip
! go build -ldflags=-crash_for_testing x.go
stderr [\\/]tool[\\/].*[\\/]link

-- x.go --

// runindir -goexperiment fieldtrack -ldflags -k=main.fieldTrackInfo

// Copyright 2021 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.

// Copyright 2016 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.

package issue8756

/*
#cgo !darwin LDFLAGS: -lm
#include <math.h>
*/
import "C"

func Pow() {
	C.pow(1, 2)

// rundir -ldflags -strictdups=2 -w=0

// Copyright 2019 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.

//go:build !nacl && !js

	"k8s.io/client-go/tools/clientcmd"
	"k8s.io/client-go/tools/events"
	"k8s.io/client-go/tools/leaderelection"
	"k8s.io/client-go/tools/leaderelection/resourcelock"
	"k8s.io/client-go/tools/record"
	cliflag "k8s.io/component-base/cli/flag"
	componentbaseconfig "k8s.io/component-base/config"
	"k8s.io/component-base/config/options"
	"k8s.io/component-base/logs"
	logsapi "k8s.io/component-base/logs/api/v1"
	"k8s.io/component-base/metrics"

// Copyright 2018 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.

//go:build darwin

package issue24161arg

/*
#cgo LDFLAGS: -framework CoreFoundation
#include <CoreFoundation/CoreFoundation.h>
*/
import "C"
import "testing"

func Test(t *testing.T) {
	a := test24161array()
	C.CFArrayCreateCopy(0, a)

        addFlag("-deprecation", options.isDeprecation(), result);
        addFlag("-unchecked", options.isUnchecked(), result);
        addConcatenatedOption("-g:", options.getDebugLevel(), result);
        addFlag("-optimise", options.isOptimize(), result);
        addOption("-encoding", options.getEncoding(), result);
        addFlag("-verbose", "verbose".equals(options.getDebugLevel()), result);

#
# Note, older gcc/clang may accept this option, but
# ignore it if binutils does not support the relocs.
[!compiler:gc] skip
[!cgo] skip
[!GOARCH:ppc64le] skip

env CGO_CFLAGS='-fno-plt -O2 -g'

go build -ldflags='-linkmode=internal'
exec ./noplttest
stdout helloworld

-- go.mod --
module noplttest

-- noplttest.go --
package main

/*
#include <stdio.h>
void helloworld(void) {
   printf("helloworld\n");

// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.

package lib

/*
#cgo darwin CFLAGS: -D__MAC_OS_X_VERSION_MAX_ALLOWED=101450
#cgo darwin LDFLAGS: -framework Foundation -framework AppKit
#include "stdlib.h"
int function(void);
*/
import "C"
import "fmt"

func DoC() {
	C.function()
	fmt.Println("called c function")