anchor.diff:  , gsettings-desktop-schemas
   , glib
   , makeWrapper
  -, python2
   , python3
   , SystemConfiguration
   , CoreFoundation
  
positive.code: 
    cmakeFlags = [
      "-DWITH_MOZJS=ON"
      "-DPYTHON2_SITEPKG_DIR=${placeholder "py2"}/${python2.sitePackages}"
      "-DPYTHON3_SITEPKG_DIR=${placeholder "py3"}/${python3.sitePackages}"
    ];
  
  
negative.code: 
    buildInputs = [
      pcre
      python3
      zlib
    ] ++ (if stdenv.hostPlatform.isDarwin then [
  