Build mono from git HEAD on OSX using home brew

mono.rb

# http://www.mono-project.com/Compiling_Mono_on_OSX

require 'formula'

class Mono < Formula
  homepage 'http://www.mono-project.com/'
  head 'git://github.com/mono/mono.git', :using => :git

  depends_on 'automake'
  depends_on 'autoconf'
  depends_on 'libtool'

  def install
    args = ["--prefix=#{prefix}",
            "--with-glib=embedded",
            "--enable-nls=no"]

    args << "--host=x86_64-apple-darwin10" if MacOS.prefer_64_bit?

    system "./autogen.sh", *args
    system "make"
    system "make install"
  end
end