Maybe someday, when it supports 64-bit darwin... The portable C compiler (pcc)

pcc.rb

require "formula"

# Documentation: https://github.com/Homebrew/homebrew/wiki/Formula-Cookbook
#                /usr/local/Library/Contributions/example-formula.rb
# PLEASE REMOVE ALL GENERATED COMMENTS BEFORE SUBMITTING YOUR PULL REQUEST!

class Pcc < Formula
  homepage "http://pcc.ludd.ltu.se"
  url "http://pcc.ludd.ltu.se/ftp/pub/pcc-releases/pcc-1.0.0.tgz"
  sha1 "a994d6bf75ae81add70d35478b59fca7c63bd5df"

  head "cvs://:pserver:anonymous@pcc.ludd.ltu.se:/cvsroot:pcc", :using => :cvs

  # resource "libs" do
  #   url "http://pcc.ludd.ltu.se/ftp/pub/pcc-releases/pcc-libs-1.0.0.tgz"
  #   sha1 "83dfe7029c491d4b42205bc8882c1ac784e3e4eb"
  # end

  def install
    # ENV.append 'CFLAGS', '-m32'
    # ENV.append 'LDFLAGS', '-m32'
    # "--target=amd64-apple-darwin13.1.0",

    # Remove unrecognized options if warned by configure
    system "./configure", "--disable-debug",
                          "--disable-dependency-tracking",
                          "--disable-silent-rules",
                          "--host=amd64-apple-darwin13.1.0",
                          "--build=amd64-apple-darwin13.1.0",
                          "--prefix=#{prefix}"
    system "make; echo 'REDOING MAKE'; make"
    system "make", "install"

    # resource("libs").stage { bin.install "my/extra/tool" }
  end

  test do
    # `test do` will create, run in and delete a temporary directory.
    #
    # This test will fail and we won't accept that! It's enough to just replace
    # "false" with the main program this formula installs, but it'd be nice if you
    # were more thorough. Run the test with `brew test pcc`.
    #
    # The installed folder is not in the path, so use the entire path to any
    # executables being tested: `system "#{bin}/program", "do", "something"`.
    system "false"
  end
end