[!compiler:gc] skip 'using -gcflags and -ldflags'
[short] skip

# -gcflags=-e applies to named packages, not dependencies
go build -a -n -v -gcflags=-e z1 z2
stderr 'compile.* -p z1.* -e '
stderr 'compile.* -p z2.* -e '
stderr 'compile.* -p y'
! stderr 'compile.* -p [^z].* -e '

# -gcflags can specify package=flags, and can be repeated; last match wins
go build -a -n -v -gcflags=-e -gcflags=z1=-N z1 z2
stderr 'compile.* -p z1.* -N '

Martin Möhrmann <******@****.***> 1629711291 +0200

	"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.

env GOFLAGS=-f
! go list runtime
stderr '^go: flag needs an argument: -f \(from (\$GOFLAGS|%GOFLAGS%)\)$'

env GOFLAGS=-e=asdf
! go list runtime
stderr '^go: invalid boolean value \"asdf\" for flag -e \(from (\$GOFLAGS|%GOFLAGS%)\)'

# except in go bug (untested) and go env
go env
stdout GOFLAGS

# Flags listed in GOFLAGS should be safe to duplicate on the command line.
env GOFLAGS=-tags=magic

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"?)'

# Reject #cgo CFLAGS: -D @foo
cp y_cflags_dash_d_space_at_foo.txt y.go
! go build x
stderr 'invalid flag in #cgo CFLAGS: -D @foo'

# Reject #cgo CFLAGS -D@foo
cp y_cflags_dash_d_at_foo.txt y.go
! go build x
stderr 'invalid flag in #cgo CFLAGS: -D@foo'

# Check for CFLAGS in commands
env CGO_CFLAGS=-D@foo
cp y_no_cflags.txt y.go
go build -n x
stderr '-D@foo'

-- go.mod --

fi

time GOOS=${BUILD_GOOS} GOARCH=${BUILD_GOARCH} ${GOBINARY} build \
        ${V} "${GOBUILDFLAGS_ARRAY[@]}" ${GCFLAGS:+-gcflags "${GCFLAGS}"} \
        -o "${OUT}" \
        "${OPTIMIZATION_FLAGS[@]}" \
        -pkgdir="${GOPKG}/${BUILD_GOOS}_${BUILD_GOARCH}" \

# Tests golang.org/issue/47682
# Flags specified with -gcflags should appear after other flags generated by cmd/go.

cd m
go build -n -gcflags=-lang=go1.17
stderr ' -lang=go1.16.* -lang=go1.17'
! go build -gcflags='-c 0'
stderr 'compile: -c must be at least 1, got 0'

-- m/go.mod --
module example.com

go 1.16

-- m/main.go --
package main

func main() {
    var s = []int{1, 2, 3}
    var pa = (*[2]int)(s[1:])

	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 {

env GOARCH=mipsle
env GOOS=linux
go build -gcflags=-S f.go
stderr ADDD.F[0-9]+,.F[0-9]+,.F[0-9]+

# Clean cache
go clean -cache

# Building with GOMIPS=softfloat will not use floating point registers
env GOMIPS=softfloat
go build -gcflags=-S f.go
! stderr ADDD.F[0-9]+,.F[0-9]+,.F[0-9]+

# Clean cache
go clean -cache

# Build without setting GOMIPS
env GOMIPS=
go build -gcflags=-S f.go