anchor.diff:  { stdenv
   , jshon
  +, glib
  +, nspr
  +, nss
   , fetchzip
  +, patchelfUnstable
   , enablePepperFlash ? false
   , enableWideVine ? false
   
  
positive.code: 
      src = upstream-info.binary;
  
      phases = [ "unpackPhase" "patchPhase" "installPhase" "checkPhase" ];
  
      unpackCmd = let
  
negative.code:     patchPhase = ''
        for sofile in libwidevinecdm.so libwidevinecdmadapter.so; do
          chmod +x "$sofile"
          patchelf --set-rpath "${mkrpath [ stdenv.cc.cc glib nspr nss ]}" "$sofile"
        done
  
        patchelf --set-rpath "$out/lib:${mkrpath [ stdenv.cc.cc ]}" \
  