anchor.diff:      rev = "v${version}";
       sha256 = "685126f1d175d798bdeaaf2dcf6326b022751000f2ea100a353e5682d5ac42bd";
     };
  -  
  +
     nativeBuildInputs = [
       autoconf
       automake
  
positive.code:     "-e"
    ];
  
    inherit (stdenv.lib)
      concatStringsSep;
  in
  stdenv.mkDerivation {
  
negative.code: , automake
  , bc
  , fetchFromGitHub
  , lib
  , libtool
  }:
  
  