class Gd < Formula
  desc "Graphics library to dynamically manipulate images"
  homepage "https://libgd.github.io/"
  url "https://github.com/libgd/libgd/releases/download/gd-2.2.3/libgd-2.2.3.tar.xz"
  sha256 "746b6cbd6769a22ff3ba6f5756f3512a769bd4cdf4695dff17f4867f25fa7d3c"

  bottle do
    cellar :any
    sha256 "29776f468bbff2cac3cec5cf9045521a4f5f3b4109a97491f6ded9cf7723a513" => :el_capitan
    sha256 "eb416148f999b18da74eb0810cc5156e7d2ab4d92b269f7c110f603665c9815b" => :yosemite
    sha256 "b0646d10f7bf588bb6c0d148ea79b602574cfff82164b3a82fd2baba80415ca2" => :mavericks
  end

  head do
    url "https://github.com/libgd/libgd.git"

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

  option :universal

  depends_on "fontconfig" => :recommended
  depends_on "freetype" => :recommended
  depends_on "jpeg" => :recommended
  depends_on "libpng" => :recommended
  depends_on "libtiff" => :recommended
  depends_on "webp" => :recommended

  fails_with :llvm do
    build 2326
    cause "Undefined symbols when linking"
  end

  def install
    ENV.universal_binary if build.universal?

    args = %W[
      --disable-dependency-tracking
      --prefix=#{prefix}
      --without-x
      --without-xpm
    ]

    if build.with? "libpng"
      args << "--with-png=#{Formula["libpng"].opt_prefix}"
    else
      args << "--without-png"
    end

    if build.with? "fontconfig"
      args << "--with-fontconfig=#{Formula["fontconfig"].opt_prefix}"
    else
      args << "--without-fontconfig"
    end

    if build.with? "freetype"
      args << "--with-freetype=#{Formula["freetype"].opt_prefix}"
    else
      args << "--without-freetype"
    end

    if build.with? "jpeg"
      args << "--with-jpeg=#{Formula["jpeg"].opt_prefix}"
    else
      args << "--without-jpeg"
    end

    if build.with? "libtiff"
      args << "--with-tiff=#{Formula["libtiff"].opt_prefix}"
    else
      args << "--without-tiff"
    end

    if build.with? "webp"
      args << "--with-webp=#{Formula["webp"].opt_prefix}"
    else
      args << "--without-webp"
    end

    system "./bootstrap.sh" if build.head?
    system "./configure", *args
    system "make", "install"
  end

  test do
    system "#{bin}/pngtogd", test_fixtures("test.png"), "gd_test.gd"
    system "#{bin}/gdtopng", "gd_test.gd", "gd_test.png"
  end
end