{ stdenv, fetchurl, dpkg, makeWrapper, patchelf,
  gtk3, gnome3, gdk_pixbuf, cairo, libjpeg }:
let
  fullPath = stdenv.lib.makeLibraryPath [
    stdenv.cc.cc
    gnome3.gtk
    gdk_pixbuf
    cairo
    libjpeg
  ];
in
stdenv.mkDerivation rec {
  version = "14.0.0";
  name = "lightworks-${version}";

  src =
    if stdenv.system == "x86_64-linux" then
      fetchurl {
        url = "http://downloads.lwks.com/v14/lwks-14.0.0-amd64.deb";
        sha256 = "66eb9f9678d979db76199f1c99a71df0ddc017bb47dfda976b508849ab305033";
      }
    else throw "${name} is not supported on ${stdenv.system}";

  buildInputs = [ dpkg makeWrapper ];

  phases = [ "unpackPhase" "installPhase" ];
  unpackPhase = "dpkg-deb -x ${src} ./";

  installPhase = ''
    mkdir -p $out/bin
    cp usr/bin/lightworks $out/bin
    sed -i "s|/usr/lib/lightworks|$out/lib/lightworks|g" $out/bin/lightworks

    cp -r usr/lib $out

    echo "${fullPath}" > $out/fullpath

    ${patchelf}/bin/patchelf \
      --interpreter "$(cat $NIX_CC/nix-support/dynamic-linker)" \
      --set-rpath "${fullPath}:\$ORIGIN" \
      $out/lib/lightworks/ntcardvt

    ${patchelf}/bin/patchelf \
      --interpreter "$(cat $NIX_CC/nix-support/dynamic-linker)" \
      --set-rpath "${fullPath}:\$ORIGIN" \
      $out/lib/lightworks/spawn

    cp -r usr/share $out/share
  '';

  dontPatchELF = true;

  meta = {
    description = "Lightworks Video Editor";
    homepage = "https://www.lwks.com/";
    license = stdenv.lib.licenses.unfree;
  };
}







ldd result/lib/lightworks/ntcardvt
	linux-vdso.so.1 (0x00007fff64f47000)
	...
	libm.so.6 => /nix/store/78w6a8zinhp7awdmrh5qbvxyci2pb8b4-glibc-2.25/lib/libm.so.6 (0x00007fee31721000)
	libOSPrivate.so => not found
	libgtk-3.so.0 => not found
	libgdk-3.so.0 => not found


Content of fullPath which goes in rpath:
/nix/store/av675477wjr9hipa4mi0h44hpkihmdk2-gcc-5.4.0-lib/lib:/nix/store/m81sajnj84r3ciq4nkh2xvqncv92nm73-gtk+3-3.22.12/lib:/nix/store/7p7xgwgylaq6ck1ifwj1y372kchmjqiy-gdk-pixbuf-2.36.6/lib:/nix/store/axvlnhh23w7iqnqn36xg6igwjllijx6v-cairo-1.14.8/lib:/nix/store/4rvvsdvnl4cwjw7nhs4krr21n48wg355-libjpeg-turbo-1.5.1/lib

ls /nix/store/m81sajnj84r3ciq4nkh2xvqncv92nm73-gtk+3-3.22.12/lib/libgtk-3.so.0
	/nix/store/m81sajnj84r3ciq4nkh2xvqncv92nm73-gtk+3-3.22.12/lib/libgtk-3.so.0