linuxbrew formula for ecell4

ecell4.rb

# additional prerequisites for ubuntu
# apt-get install python-setuptools python-dev

# additional prerequisties for centos7
# linuxbrew does NOT figure out gcc and g++ in centos. you need to symlink with
# ln -s `which gcc` `brew --prefix`/bin/gcc-4.8
# ln -s `which g++` `brew --prefix`/bin/g++-4.8
# yum install python-setuptools python-devel

class Ecell4 < Formula
  desc "A multi-algorithm, multi-timescale biochemical simulation environment"
  homepage "https://github.com/ecell/ecell4"
  url "http://dev.e-cell.org/downloads/ecell4.zip"
  sha256 "bdbd8f406e230cbb2d566b9795bdfd3953cda67160d186bd0ca8ed8a3cf604b4"

  head "https://github.com/ecell/ecell4.git"

  depends_on "cmake" => :build
  depends_on "gsl"
  depends_on "boost"
  depends_on "homebrew/science/hdf5"

  resource "cython" do
    url "http://cython.org/release/Cython-0.23.4.zip"
    sha256 "44444591133c92a30d78a6ec52ea4afd902ee4548ca5e83d94388f6a99f6c9ae"
  end

  def install
    args = %W[
      .
      -DCMAKE_INSTALL_PREFIX=#{prefix}
    ]
    ENV["CPATH"] = "#{HOMEBREW_PREFIX}/include:#{buildpath}"

    system "cmake", *args
    system "make", "BesselTables"

    resource("cython").stage do
      system "python", *Language::Python.setup_install_args(buildpath/"vendor")
    end
    ENV.prepend_path "PYTHONPATH", buildpath/"vendor/lib/python2.7/site-packages
    # centos needs lib64 path
    ENV.prepend_path "PYTHONPATH", buildpath/"vendor/lib64/python2.7/site-packages

    ENV.prepend_create_path "PYTHONPATH", libexec/"lib/python2.7/site-packages"
    cd "python" do
      system "python", "setup.py", "build_ext"
      system "python", *Language::Python.setup_install_args(libexec)
    end

  end

end