go build -x -gcflags=-m -ldflags='-v -w' main.go
! stderr 'compile( |\.exe"?)'
stderr 'main.go:2.* can inline main' # from compiler
! stderr 'link(\.exe"?)? -'
stderr '\d+ symbols' # from linker

# Running a test should run the compiler, linker, and the test the first time.
go test -v -x -gcflags=-m -ldflags=-v p
stderr 'compile( |\.exe"?)'

[GOARCH:amd64] stdout '^\tbuild\tGOAMD64='
! stdout asmflags|gcflags|ldflags|gccgoflags

# Toolchain flags are added if present.
# The raw flags are included, with package patterns if specified.
go build -asmflags=example.com/m=-D=FOO=bar
go version -m m$GOEXE
stdout '^\tbuild\t-asmflags=example\.com/m=-D=FOO=bar$'

go build -gcflags=example.com/m=-N
go version -m m$GOEXE
stdout '^\tbuild\t-gcflags=example\.com/m=-N$'

# Test that #cgo LDFLAGS are properly quoted.
# The #cgo LDFLAGS below should pass a string with spaces to -L,
# as though searching a directory with a space in its name.
# It should not pass --nosuchoption to the external linker.

[!cgo] skip

go build

[!exec:gccgo] skip

# TODO: remove once gccgo on builder is updated
[GOOS:aix] [GOARCH:ppc64] skip

go build -compiler gccgo

-- go.mod --
module m
-- cgo.go --
package main

[!GOOS:darwin] skip
[!cgo] skip

! go build
stderr 'invalid flag in #cgo LDFLAGS: -lto_library'

-- go.mod --
module ldflag

-- main.go --
package main

// #cgo CFLAGS: -flto
// #cgo LDFLAGS: -lto_library bad.dylib
import "C"

	// This test is essentially checking that -ldflags=-buildid=XXX works,
	// both in internal and external linking mode.
	tg := testgo(t)
	defer tg.cleanup()
	tg.parallel()

	tg.tempFile("hello.go", `package main; func main() { print("hello, world\n") }`)
	const buildID = "TestNoteReading-Build-ID"
	tg.run("build", "-ldflags", "-buildid="+buildID, "-o", tg.path("hello.exe"), tg.path("hello.go"))

[compiler:gccgo] skip 'gccgo does not support -ldflags -X'

go build -o linkx$GOEXE -ldflags -X=my.pkg.Text=linkXworked my.pkg/main
exec ./linkx$GOEXE
stderr '^linkXworked$'

-- go.mod --
module my.pkg

go 1.16
-- main/main.go --
package main

import "my.pkg"

func main() {
	println(pkg.Text)
}
-- pkg.go --
package pkg

	tg := testgo(t)
	defer tg.cleanup()
	tg.parallel()
	tg.tempFile("main.go", `package main
		import "crypto/sha1"
		func main() {
			sha1.New()
		}`)
	tg.run("build", "-ldflags=-w -extld=false", tg.path("main.go"))
	tg.run("build", "-ldflags=-extld=false", tg.path("main.go"))

	@echo "Building minio binary to './minio'"
	@CGO_ENABLED=0 go build -tags kqueue -trimpath --ldflags "$(LDFLAGS)" -o $(PWD)/minio 1>/dev/null

hotfix-vars:
	$(eval LDFLAGS := $(shell MINIO_RELEASE="RELEASE" MINIO_HOTFIX="hotfix.$(shell git rev-parse --short HEAD)" go run buildscripts/gen-ldflags.go $(shell git describe --tags --abbrev=0 | \

		os.Exit(1)
	}

	// Issue 8810
	cmd = exec.Command("go", "run", "-ldflags=-X main.tbd", "linkx.go")
	_, err = cmd.CombinedOutput()
	if err == nil {
		fmt.Println("-X linker flag should not accept keys without values")
		os.Exit(1)
	}

	// Issue 9621
	cmd = exec.Command("go", "run", "-ldflags=-X main.b=false -X main.x=42", "linkx.go")
	outx, err := cmd.CombinedOutput()
	if err == nil {

TAG := 1.2

all: build_and_push clean

build_and_push:
	cd $(MD_PATH) && CGO_ENABLED=0 GOOS=linux GOARCH=amd64 go build -o main-amd64 -a -tags netgo -ldflags '-w -extldflags "-static"' main.go
	cd $(MD_PATH) && CGO_ENABLED=0 GOOS=linux GOARCH=arm64 go build -o main-arm64 -a -tags netgo -ldflags '-w -extldflags "-static"' main.go
	docker buildx build --platform=linux/amd64,linux/arm64  $(MD_PATH) -t $(IMG):$(TAG) --push

clean: