class Gdl < Formula
  desc "GNOME Docking Library provides docking features for GTK+ 3"
  homepage "https://developer.gnome.org/gdl/"
  url "https://download.gnome.org/sources/gdl/3.20/gdl-3.20.0.tar.xz"
  sha256 "53d3a3bb9b9be25b3a40c644fdbbb57a5a63ee1f5f839c2266d1cd9779360e8b"

  bottle do
    sha256 "8f796750e169e08e9a1584757d371dfe705ad6bc17ce3dc0c4f8e7af5e8de7fb" => :el_capitan
    sha256 "28dc25f2b69b485b7cb2c3d221b2462a33ffb912b45d81ab4c88a1b141ff1fdf" => :yosemite
    sha256 "73d01a80f88808f2131dcf53f52a46dc263d24e3a4cd69c9df53be2265f3069c" => :mavericks
  end

  depends_on "pkg-config" => :build
  depends_on "intltool" => :build
  depends_on "gtk+3"
  depends_on "libxml2"
  depends_on "gobject-introspection"

  def install
    system "./configure", "--disable-dependency-tracking",
                          "--disable-silent-rules",
                          "--prefix=#{prefix}"
    system "make", "install"
  end

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

      int main(int argc, char *argv[]) {
        GType type = gdl_dock_object_get_type();
        return 0;
      }
    EOS
    ENV.libxml2
    atk = Formula["atk"]
    cairo = Formula["cairo"]
    fontconfig = Formula["fontconfig"]
    freetype = Formula["freetype"]
    gdk_pixbuf = Formula["gdk-pixbuf"]
    gettext = Formula["gettext"]
    glib = Formula["glib"]
    gtkx3 = Formula["gtk+3"]
    libepoxy = Formula["libepoxy"]
    libpng = Formula["libpng"]
    pango = Formula["pango"]
    pixman = Formula["pixman"]
    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}/gio-unix-2.0/
      -I#{glib.opt_include}/glib-2.0
      -I#{glib.opt_lib}/glib-2.0/include
      -I#{gtkx3.opt_include}/gtk-3.0
      -I#{include}/libgdl-3.0
      -I#{libepoxy.opt_include}
      -I#{libpng.opt_include}/libpng16
      -I#{pango.opt_include}/pango-1.0
      -I#{pixman.opt_include}/pixman-1
      -D_REENTRANT
      -L#{atk.opt_lib}
      -L#{cairo.opt_lib}
      -L#{gdk_pixbuf.opt_lib}
      -L#{gettext.opt_lib}
      -L#{glib.opt_lib}
      -L#{gtkx3.opt_lib}
      -L#{lib}
      -L#{pango.opt_lib}
      -latk-1.0
      -lcairo
      -lcairo-gobject
      -lgdk-3
      -lgdk_pixbuf-2.0
      -lgdl-3
      -lgio-2.0
      -lglib-2.0
      -lgobject-2.0
      -lgtk-3
      -lintl
      -lpango-1.0
      -lpangocairo-1.0
    ]
    system ENV.cc, "test.c", "-o", "test", *flags
    system "./test"
  end
end