You are an expert in writing code in many different languages. Your goal is to perform code completion for the following code, keeping in mind the rest of the code and the file meta data.
    Metadata details:
    filename: ncrack.rb
    path of file: ./repos/homebrew-core/Formula/n
    
    the code of the file until where you have to start completion: class Ncrack < Formula
  desc "Network authentication cracking tool"
  homepage "https://nmap.org/ncrack/"
  # License is GPL-2.0-only with non-representable ex
    
  def install
    # Fix compile with newer Clang
    ENV.append_to_cflags "-Wno-implicit-function-declaration" if DevelopmentTools.clang_build_version >= 1200

    system "./configure", *std_configure_args, "--with-openssl=#{Formula["openssl@3"].opt_prefix}"
    system "make"
    system "make", "install"
  end