# such that the .syso file only works when linked against the .a file.
# Package a has #cgo LDFLAGS to make this happen.
#
# Package c imports package a, and uses cgo itself.
# The generation of the _cgo_import.go for package c will fail,
# because it won't know that it has to link against a/libb.a
# (because we don't gather the #cgo LDFLAGS from all transitively
# imported packages).
#

# 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 --

# 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:])

//sys	Chdir(path string) (err error)
//sys	Chflags(path string, flags int) (err error)
//sys	Chmod(path string, mode uint32) (err error)
//sys	Chown(path string, uid int, gid int) (err error)
//sys	Chroot(path string) (err error)
//sys	Close(fd int) (err error)
//sys	Dup(fd int) (nfd int, err error)
//sys	Dup2(from int, to int) (err error)
//sys	Fchdir(fd int) (err error)
//sys	Fchflags(fd int, flags int) (err error)

# 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

[short] skip

go install -gcflags=-m .
stderr 'can inline main'
go list -gcflags=-m -f '{{.Stale}}' .
stdout 'false'
! stderr 'can inline main'

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

go 1.20
-- main.go --
package main

[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

	// 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"))

//sys	Chdir(path string) (err error)
//sys	Chflags(path string, flags int) (err error)
//sys	Chmod(path string, mode uint32) (err error)
//sys	Chown(path string, uid int, gid int) (err error)
//sys	Chroot(path string) (err error)
//sys	Close(fd int) (err error)
//sys	Dup(fd int) (nfd int, err error)
//sys	Dup2(from int, to int) (err error)
//sys	Fchdir(fd int) (err error)
//sys	Fchflags(fd int, flags int) (err error)

# Test that the user can override default code generation flags.

[compiler:gccgo] skip  # gccgo does not use -gcflags
[!cgo] skip
[!GOOS:linux] skip  # test only works if c-archive implies -shared
[short] skip

env GOCACHE=$WORK/gocache  # Looking for compile commands, so need a clean cache.
go build -x -n -buildmode=c-archive -gcflags=all=-shared=false ./override.go
stderr '^.*/compile (.* )?-shared (.* )?-shared=false'

-- override.go --