anchor.diff:  { lib
   , stdenv
   , fetchFromRepoOrCz
  +, copyPkgconfigItems
  +, makePkgconfigItem
   , perl
   , texinfo
   , which
  
positive.code:   };
  
    nativeBuildInputs = [
      perl
      texinfo
      which
    ];
  
    postPatch = ''
  
negative.code:   preConfigure = ''
      echo ${version} > VERSION
      configureFlagsArray+=("--elfinterp=$(< $NIX_CC/nix-support/dynamic-linker)")
    '';
  
    outputs = [ "out" "info" "man" ];
  