A libc++ formula for Homebrew Add "-L/usr/local/lib -I/usr/local/lib/c++/v1" to use

libc++.rb

require 'formula'

class Libcxx < Formula
  homepage 'http://llvm.org/'
  url 'http://llvm.org/releases/3.3/libcxx-3.3.src.tar.gz'
  sha1 '7bea00bc1031bf3bf6c248e57c1f4e0874c18c04'

  def install

    cd './lib' do
      ENV["TRIPLE"] = '-apple-'
      system './buildit'

    end

    libcxx_name = 'libc++.1.dylib'
    libcxx_shorten_name = 'libc++.dylib'

    lib.install buildpath/'lib'/libcxx_name
    lib.install buildpath/'lib'/libcxx_shorten_name
    system "install_name_tool -id #{lib/libcxx_name} #{lib/libcxx_name}"
    (lib/'c++').install buildpath/'include'
    FileUtils.mv lib/'c++/include', lib/'c++/v1'

  end

end