anchor.diff: -{ stdenv, fetchFromGitHub, fetchurl, makeDesktopItem, pkgconfig, cmake, python3
  +{ stdenv, fetchFromGitHub, fetchurl, pkgconfig, cmake, python3
   , libX11, libXrandr, qtbase, qtwebchannel, qtwebengine, qtx11extras
   , libvdpau, SDL2, mpv, libGL }:
   let
  
positive.code:   postInstall = ''
      mkdir -p $out/share/{applications,pixmaps}
      cp ${src}/resources/images/icon.png $out/share/pixmaps/plex-media-player.png
      cp ${desktopItem}/share/applications/* $out/share/applications
    '';
  
    cmakeFlags = [ "-DCMAKE_BUILD_TYPE=RelWithDebInfo" "-DQTROOT=${qtbase}" ];
  
negative.code:   buildInputs = [ libX11 libXrandr qtbase qtwebchannel qtwebengine qtx11extras
                    libvdpau SDL2 mpv libGL ];
  
    preConfigure = with depSrcs; ''
      mkdir -p build/dependencies
      ln -s ${webClient} build/dependencies/buildid-${webClientBuildId}.cmake
  