anchor.diff:        sha256 = "40a6eb51ea37fafcf0cfb58786b15b99152bec672cccf861c14d1cca0ad4758a";
       };
       "10" = {
  -      version = "10.4.0";
  -      sha256 = "b58f5a39253921c668eb7678679df36f9fb5e46c885242d20f13168973603762";
  +      version = "10.12.0";
  +      sha256 = "d9cd890d6c3b060f7a5497a522564328fe73ec39dda082f41c4141a73ac30ae4";
       };
     };
   
  
positive.code:     nghttp2_lib
    ] ++ (
      if versionAtLeast source.version "8.0.0" then [
        openssl_1-1-0
      ] else [
        openssl_1-0-2
      ]
  
negative.code: , libuv
  , nghttp2_lib
  , openssl_1-0-2
  , openssl
  , zlib
  
  , channel
  