anchor.diff: -{ stdenv, fetchurl, system, rsync, makeWrapper,
  +{ stdenv, fetchurl, system, makeWrapper,
     alsaLib, dbus, glib, gstreamer, fontconfig, freetype, libpulseaudio, libxml2,
     libxslt, mesa, nspr, nss, sqlite, utillinux, zlib, xorg }:
   
  
positive.code: 
    src = srcs.${system};
  
    buildInputs = [ rsync makeWrapper ];
  
    libPath = stdenv.lib.makeLibraryPath [
      alsaLib
  
negative.code:   installPhase = ''
      $preInstallHooks
  
      packagePath=$out/share/zoom-us
      mkdir -p $packagePath
      mkdir -p $out/bin
      cp -ar * $packagePath
  
      patchelf --set-interpreter "$(cat $NIX_CC/nix-support/dynamic-linker)" \
        $packagePath/zoom
      # included from https://github.com/NixOS/nixpkgs/commit/fc218766333a05c9352b386e0cbb16e1ae84bf53
      # it works for me without it, but, well...
      paxmark m $packagePath/zoom
      #paxmark m $packagePath/QtWebEngineProcess # is this what dtzWill talked about?
  
      # RUNPATH set via patchelf is used only for half of libraries (why?), so wrap it
      wrapProgram $packagePath/zoom \
          --prefix LD_LIBRARY_PATH : "$packagePath:$libPath" \
          --set QT_PLUGIN_PATH "$packagePath/platforms" \
          --set QT_XKB_CONFIG_ROOT "${xorg.xkeyboardconfig}/share/X11/xkb" \
          --set QTCOMPOSE "${xorg.libX11.out}/share/X11/locale"
      ln -s "$packagePath/zoom" "$out/bin/zoom-us"
  
      $postInstallHooks
    '';
  