! 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"

	echo $pkg
	DIR=$GOROOT/src/$pkg
	go build -gcflags "$FLAGS1 -S" -o /dev/null $pkg &> $DIR/old.txt
done

echo
echo
echo "2a) clean build using $FLAGS2"
(export GO_GCFLAGS="$FLAGS2"; sh make.bash)

echo
echo
echo "2b) save go build output for all packages"
for pkg in `go list std`; do
	echo $pkg
	DIR=$GOROOT/src/$pkg
	go build -gcflags "$FLAGS2 -S" -o /dev/null $pkg &> $DIR/new.txt
done

echo

# 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

					cflags |= REG_ICASE;
					continue;
				case 'j':
					cflags |= REG_SPAN;
					continue;
				case 'k':
					cflags |= REG_ESCAPE;
					continue;
				case 'l':
					cflags |= REG_LEFT;
					continue;
				case 'm':
					cflags |= REG_MINIMAL;
					continue;
				case 'n':
					cflags |= REG_NEWLINE;
					continue;
				case 'o':
					cflags |= REG_SHELL_GROUP;
					continue;

) >_const.go

# Pull out the error names for later.
errors=$(
	echo '#include <errno.h>' | $CC -x c - -E -dM $ccflags |
	awk '$1=="#define" && $2 ~ /^E[A-Z0-9_]+$/ { print $2 }' |
	sort
)

# Pull out the signal names for later.
signals=$(
	echo '#include <signal.h>' | $CC -x c - -E -dM $ccflags |
	awk '$1=="#define" && $2 ~ /^SIG[A-Z0-9]+$/ { print $2 }' |
	grep -v 'SIGSTKSIZE\|SIGSTKSZ\|SIGRT' |
	sort
)

// testDebugLinesDefault removes the first wanted statement on architectures that are not (yet) register ABI.
func testDebugLinesDefault(t *testing.T, gcflags, file, function string, wantStmts []int, ignoreRepeats bool) {
	unixOnly(t)
	if !hasRegisterABI() {
		wantStmts = wantStmts[1:]
	}
	testDebugLines(t, gcflags, file, function, wantStmts, ignoreRepeats)
}

func TestDebugLinesSayHi(t *testing.T) {

	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)

//sys	Dup(fd int) (nfd int, err error)
//sys	Dup2(from int, to int) (err error)
//sys	Exchangedata(path1 string, path2 string, options int) (err error)
//sys	Fchdir(fd int) (err error)
//sys	Fchflags(fd int, flags int) (err error)
//sys	Fchmod(fd int, mode uint32) (err error)
//sys	Fchown(fd int, uid int, gid int) (err error)
//sys	Flock(fd int, how int) (err error)
//sys	Fpathconf(fd int, name int) (val int, err error)

$(MD_PATH)/$(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

// run -gcflags=all=-d=checkptr

//go:build cgo

// 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.

package main

// #include <stdlib.h>
import "C"

func main() {
	C.malloc(100)