Homebrew formula for installing rtorrent

rtorrent.rb

class Rtorrent < Formula
  desc "Console-based BitTorrent client"
  homepage "https://github.com/rakshasa/rtorrent"
  url "http://rtorrent.net/downloads/rtorrent-0.9.6.tar.gz"
  sha256 "1e69c24f1f26f8f07d58d673480dc392bfc4317818c1115265b08a7813ff5b0e"

  depends_on "pkg-config" => :build
  depends_on "xmlrpc-c" => :optional
  depends_on "libtool"  => :build
  depends_on "libtorrent"

  def install
    ENV.libstdcxx if ENV.compiler == :clang
    args = ["--disable-debug", "--disable-dependency-tracking", "--prefix=#{prefix}"]
    args << "--with-xmlrpc-c" if build.with? "xmlrpc-c"

    system "./configure", *args
    system "make"
    system "make", "install"

    doc.install "doc/rtorrent.rc"
  end
end