class Sdl < Formula
  desc "Low-level access to audio, keyboard, mouse, joystick and graphics"
  homepage "https://www.libsdl.org/"
  url "https://www.libsdl.org/release/SDL-1.2.15.tar.gz"
  sha256 "d6d316a793e5e348155f0dd93b979798933fb98aa1edebcc108829d6474aad00"

  bottle do
    cellar :any
    rebuild 3
    sha256 "af5f0c82a33afab56a02c51a734b72e68effbb508cc0e28663c7d33386656e47" => :mojave
    sha256 "2c02101205a5df3ba2972573d542e891574d3169d623fa51215ec9381cd6f9c6" => :high_sierra
    sha256 "ae6f7a419e0277feccf2e26bc0f711c6f63737578590599202edc85090b9c934" => :sierra
    sha256 "cabb4d2ed0c7910cbf4a47fe27d36c5e61c09ea6c5d47963ba9cb56f379ba1e1" => :el_capitan
    sha256 "d583cfc1e6029298076b6d49b974606ad92e90a700ace2d811b42091abe8a327" => :yosemite
  end

  head do
    url "https://hg.libsdl.org/SDL", :branch => "SDL-1.2", :using => :hg

    depends_on "autoconf" => :build
    depends_on "automake" => :build
    depends_on "libtool" => :build
  end

  # Fix for a bug preventing SDL from building at all on OSX 10.9 Mavericks
  # Related ticket: https://bugzilla.libsdl.org/show_bug.cgi?id=2085
  patch do
    url "https://bugzilla-attachments.libsdl.org/attachment.cgi?id=1320"
    sha256 "ba0bf2dd8b3f7605db761be11ee97a686c8516a809821a4bc79be738473ddbf5"
  end

  # Fix compilation error on 10.6 introduced by the above patch
  patch do
    url "https://bugzilla-attachments.libsdl.org/attachment.cgi?id=1324"
    sha256 "ee7eccb51cefff15c6bf8313a7cc7a3f347dc8e9fdba7a3c3bd73f958070b3eb"
  end

  def install
    # we have to do this because most build scripts assume that all sdl modules
    # are installed to the same prefix. Consequently SDL stuff cannot be
    # keg-only but I doubt that will be needed.
    inreplace %w[sdl.pc.in sdl-config.in], "@prefix@", HOMEBREW_PREFIX

    system "./autogen.sh" if build.head?

    args = %W[--prefix=#{prefix} --without-x]
    args << "--disable-nasm" unless MacOS.version >= :mountain_lion # might work with earlier, might only work with new clang

    system "./configure", *args
    system "make", "install"

    # Copy source files needed for Ojective-C support.
    libexec.install Dir["src/main/macosx/*"] if build.stable?
  end

  test do
    system bin/"sdl-config", "--version"
  end
end