class Gtkx < Formula
  desc "GUI toolkit"
  homepage "http://gtk.org/"
  url "https://download.gnome.org/sources/gtk+/2.24/gtk+-2.24.28.tar.xz"
  sha256 "b2c6441e98bc5232e5f9bba6965075dcf580a8726398f7374d39f90b88ed4656"

  bottle do
    sha256 "bbc0dc6e82ebed36acfecbd5216a7e05709ce54353fae2e88ae6dc89d02b4c49" => :yosemite
    sha256 "e3ac7c303dcf388bf87835a85a1e143c2957eaada72de82527bb0364196a9d35" => :mavericks
    sha256 "67af28491ac9622e5c19b0d37802c9569e95ab21342b83672de0b6aac98c5c72" => :mountain_lion
  end

  depends_on "pkg-config" => :build
  depends_on "gdk-pixbuf"
  depends_on "jasper" => :optional
  depends_on "atk"
  depends_on "pango"
  depends_on :x11 => ["2.3.6", :recommended]
  depends_on "gobject-introspection"

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

  def install
    args = ["--disable-dependency-tracking",
            "--disable-silent-rules",
            "--prefix=#{prefix}",
            "--disable-glibtest",
            "--enable-introspection=yes",
            "--disable-visibility"]

    args << "--with-gdktarget=quartz" if build.without?("x11")
    args << "--enable-quartz-relocation" if build.without?("x11")

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

  test do
    (testpath/"test.c").write <<-EOS.undent
      #include <gtk/gtk.h>

      int main(int argc, char *argv[]) {
        GtkWidget *label = gtk_label_new("Hello World!");
        return 0;
      }
    EOS
    atk = Formula["atk"]
    cairo = Formula["cairo"]
    fontconfig = Formula["fontconfig"]
    freetype = Formula["freetype"]
    gdk_pixbuf = Formula["gdk-pixbuf"]
    gettext = Formula["gettext"]
    glib = Formula["glib"]
    harfbuzz = Formula["harfbuzz"]
    libpng = Formula["libpng"]
    pango = Formula["pango"]
    pixman = Formula["pixman"]
    flags = (ENV.cflags || "").split + (ENV.cppflags || "").split + (ENV.ldflags || "").split
    flags += %W[
      -I#{atk.opt_include}/atk-1.0
      -I#{cairo.opt_include}/cairo
      -I#{fontconfig.opt_include}
      -I#{freetype.opt_include}/freetype2
      -I#{gdk_pixbuf.opt_include}/gdk-pixbuf-2.0
      -I#{gettext.opt_include}
      -I#{glib.opt_include}/glib-2.0
      -I#{glib.opt_lib}/glib-2.0/include
      -I#{harfbuzz.opt_include}/harfbuzz
      -I#{include}/gtk-2.0
      -I#{libpng.opt_include}/libpng16
      -I#{lib}/gtk-2.0/include
      -I#{pango.opt_include}/pango-1.0
      -I#{pixman.opt_include}/pixman-1
      -D_REENTRANT
      -L#{atk.opt_lib}
      -L#{cairo.opt_lib}
      -L#{fontconfig.opt_lib}
      -L#{freetype.opt_lib}
      -L#{gdk_pixbuf.opt_lib}
      -L#{gettext.opt_lib}
      -L#{glib.opt_lib}
      -L#{lib}
      -L#{pango.opt_lib}
      -latk-1.0
      -lcairo
      -lfontconfig
      -lfreetype
      -lgdk-x11-2.0
      -lgdk_pixbuf-2.0
      -lgio-2.0
      -lglib-2.0
      -lgobject-2.0
      -lgtk-x11-2.0
      -lintl
      -lpango-1.0
      -lpangocairo-1.0
      -lpangoft2-1.0
    ]
    system ENV.cc, "test.c", "-o", "test", *flags
    system "./test"
  end
end