{
  allowUnfree = true;
  allowBroken = false;
  pulseaudio = true;
  packageOverrides = pkgs: rec {
    rPackages = pkgs.rPackages.override {
      overrides = {
        png = pkgs.rPackages.png.overrideDerivation (old: { nativeBuildInputs = old.nativeBuildInputs ++ [ pkgs.libpng.dev ]; });
      };
    };
    mystuff = with pkgs; buildEnv {
      name = "mystuff";
      ignoreCollisions = true;
      paths = [
        (pkgs.makeDesktopItem { name = "jvisualvm"; exec = "${pkgs.oraclejdk}/bin/jvisualvm"; desktopName = "JVisualVM"; genericName = "jvisualvm"; categories = "Development;Debugger;"; })
        asciinema audacity alsaTools
        bind
        dfeet
        dos2unix
        gnome3.gedit gimp gist gnupg
        tigervnc
        androidenv.platformTools
        stuff
        #(pkgs.callPackage ./multimc.nix {}) ffmpeg-full wireshark
      ];
    };
    stuff = pkgs.runCommand "stuff" { } ''
      #!${pkgs.stdenv.shell}
      mkdir -p $out/bin
      mkdir -p $out/share/man/man1
      ln -s ${pkgs.binutils.out}/bin/readelf $out/bin
      ln -s ${pkgs.binutils.out}/bin/strings $out/bin
      ln -s ${pkgs.binutils.out}/share/man/man1/readelf.1.gz $out/share/man/man1/
      ln -s ${pkgs.binutils.out}/share/man/man1/strings.1.gz $out/share/man/man1/
    '';