erlang-r13.rb

require 'formula'

class ErlangR13Manuals < Formula
  url 'http://www.erlang.org/download/otp_doc_man_R13B04.tar.gz'
  sha1 '660e52302d270138f8e9f2f2b6a562026998012c'
end

class ErlangR13 < Formula
  homepage 'http://www.erlang.org'
  # Download from GitHub. Much faster than official tarball.
  url "https://github.com/erlang/otp.git", :tag => "OTP_R13B04"
  version 'R13B04'

  option 'disable-hipe', 'Disable building hipe; fails on various OS X systems'
  option 'time', '`brew test --time` to include a time-consuming test'

  # We can't strip the beam executables or any plugins, there isn't really
  # anything else worth stripping and it takes a really, long time to run
  # `file` over everything in lib because there is almost 4000 files (and
  # really erlang guys! what's with that?! Most of them should be in share/erlang!)
  # may as well skip bin too, everything is just shell scripts
  skip_clean ['lib', 'bin']

  fails_with :llvm do
    build 2326
    cause "See http://github.com/mxcl/homebrew/issues/issue/120"
  end

  def install
    ENV.deparallelize

    system "./otp_build autoconf" if File.exist? "otp_build"

    args = ["--disable-debug",
            "--prefix=#{prefix}",
            "--enable-kernel-poll",
            "--enable-threads",
            "--enable-dynamic-ssl-lib",
            "--enable-smp-support"]

    unless build.include? 'disable-hipe'
      # HIPE doesn't strike me as that reliable on OS X
      # http://syntatic.wordpress.com/2008/06/12/macports-erlang-bus-error-due-to-mac-os-x-1053-update/
      # http://www.erlang.org/pipermail/erlang-patches/2008-September/000293.html
      args << '--enable-hipe'
    end

    args << "--enable-darwin-64bit" if MacOS.prefer_64_bit?

    system "./configure", *args
    system "touch lib/wx/SKIP" if MacOS.version >= 10.6
    system "make"
    system "make install"

    manuals = ErlangR13Manuals
    manuals.new.brew { man.install Dir['man/*'] }
  end

  test do
    `erl -noshell -eval 'crypto:start().' -s init stop`

    # This test takes some time to run, but per bug #120 should finish in
    # "less than 20 minutes". It takes a few minutes on a Mac Pro (2009).
    if build.include? "time"
      `dialyzer --build_plt -r #{lib}/erlang/lib/kernel-2.14.1/ebin/`
    end
  end
end