anchor.diff:  , libxi
   , libxinerama
   , libxrandr
  -, openssl_1-0-2
   
   , channel
   , type ? "alpha"
  
positive.code:       sha256_headless = "1041ef61ea4aecd1f425e6030a909f0c349a9c01d1b3324d84a61b1cfef5ba6c";
      };
      "0.16" = {
        version = "0.16.16";
        sha256_alpha = "316352b0767b682ba79c742cbccaebe8f35746066740f10ecace6bb85e7e9e3c";
        sha256_headless = "43f79dea2314a52e87873faf4d107bb908d6e02c8aed22d234e06d337dd74037";
      };
    };
    source = sources."${channel}";
  
negative.code:     libxi
      libxinerama
      libxrandr
    ];
  
    installPhase = ''
  