defmodule NervesUart.Mixfile do
  use Mix.Project

  @version "0.0.7"

  @description """
  Discover and use UARTs and serial ports in Elixir.
  """

  def project do
    [app: :nerves_uart,
     version: @version,
     elixir: "~> 1.2",
     name: "Nerves.UART",
     description: @description,
     package: package(),
     source_url: "https://github.com/nerves-project/nerves_uart",
     compilers: [:elixir_make] ++ Mix.compilers,
     make_executable: make_executable,
     make_makefile: make_makefile,
     make_error_message: make_error_message,
     make_clean: ["clean"],
     docs: [extras: ["README.md"]],
     build_embedded: Mix.env == :prod,
     start_permanent: Mix.env == :prod,
     deps: deps()]
  end

  def application do
    [applications: [:logger]]
  end

  defp deps do
    [
      {:elixir_make, "~> 0.3"},
      {:earmark, "~> 0.2", only: :dev},
      {:ex_doc,  "~> 0.11", only: :dev}
    ]
  end

  defp package do
    [
      files: ["lib", "src/*.[ch]", "src/ei_copy/*.[ch]", "test", "mix.exs", "Makefile", "README.md", "LICENSE", "CHANGELOG.md"],
      maintainers: ["Frank Hunleth"],
      licenses: ["Apache-2.0"],
      links: %{"GitHub" => "https://github.com/nerves-project/nerves_uart"}
    ]
  end

  defp make_executable do
    case :os.type() do
      {:win32, _} ->
        "mingw32-make"
      _ ->
        :default
    end
  end

  defp make_makefile do
    "Makefile"
  end

  @windows_mingw_error_msg """
  You may need to install mingw-w64 and make sure that it is in your PATH. Test this by
  running `gcc --version` on the command line.

  If you do not have mingw-w64, one method to install it is by using
  Chocolatey. See http://chocolatey.org to install Chocolatey and run the
  following from and command prompt with administrative privileges:

  `choco install mingw`
  """

  defp make_error_message do
    case :os.type() do
      {:win32, _} -> @windows_mingw_error_msg
      _ -> :default
    end
  end

end