You go to the download page. Click the checkbox for cloudflare dns and hit download. The binary you download will have the module built in. It's very simple but

You go to the download page. Click the checkbox for cloudflare dns and hit download. The binary you download will have the module built in. It's very simple but of course being nonstandard it makes updates unnecessarily painful. It would be nice if you could wget it with a special hash that represents the modules you need or something like that.