error on go build endly.go

[fred2012]

`go build endly.go ░▒▓ 2 ✘ at 21:59:27 

golang.org/x/sys/unix

../../../go/pkg/mod/golang.org/x/sys@v0.0.0-20200828194041-157a740278f4/unix/syscall_darwin.1_13.go:29:3: //go:linkname must refer to declared function or variable
../../../go/pkg/mod/golang.org/x/sys@v0.0.0-20200828194041-157a740278f4/unix/zsyscall_darwin_amd64.1_13.go:27:3: //go:linkname must refer to declared function or variable
../../../go/pkg/mod/golang.org/x/sys@v0.0.0-20200828194041-157a740278f4/unix/zsyscall_darwin_amd64.1_13.go:40:3: //go:linkname must refer to declared function or variable
../../../go/pkg/mod/golang.org/x/sys@v0.0.0-20200828194041-157a740278f4/unix/zsyscall_darwin_amd64.go:28:3: //go:linkname must refer to declared function or variable
../../../go/pkg/mod/golang.org/x/sys@v0.0.0-20200828194041-157a740278f4/unix/zsyscall_darwin_amd64.go:43:3: //go:linkname must refer to declared function or variable
../../../go/pkg/mod/golang.org/x/sys@v0.0.0-20200828194041-157a740278f4/unix/zsyscall_darwin_amd64.go:59:3: //go:linkname must refer to declared function or variable
../../../go/pkg/mod/golang.org/x/sys@v0.0.0-20200828194041-157a740278f4/unix/zsyscall_darwin_amd64.go:75:3: //go:linkname must refer to declared function or variable
../../../go/pkg/mod/golang.org/x/sys@v0.0.0-20200828194041-157a740278f4/unix/zsyscall_darwin_amd64.go:90:3: //go:linkname must refer to declared function or variable
../../../go/pkg/mod/golang.org/x/sys@v0.0.0-20200828194041-157a740278f4/unix/zsyscall_darwin_amd64.go:105:3: //go:linkname must refer to declared function or variable
../../../go/pkg/mod/golang.org/x/sys@v0.0.0-20200828194041-157a740278f4/unix/zsyscall_darwin_amd64.go:121:3: //go:linkname must refer to declared function or variable
../../../go/pkg/mod/golang.org/x/sys@v0.0.0-20200828194041-157a740278f4/unix/zsyscall_darwin_amd64.go:121:3: too many errors
`
Follow the install Document, try to go build endly.go, but not success~

[adranwit]

I think you would need min go 1.16 , need to updated doc,