anchor.diff:    optOpenldap = if libOnly then null else shouldUsePkg openldap;
     optPython = shouldUsePkg python;
     optGo = shouldUsePkg go;
  -  optKrb5 = if libOnly then null else shouldUsePkg krb5;
  +  optLibkrb5 = if libOnly then null else shouldUsePkg libkrb5;
     optTcp_wrappers = if libOnly then null else shouldUsePkg tcp_wrappers;
   in
   with stdenv.lib;
  
positive.code:     sha256 = "08j134s4509rxfi3hwsp8yyxzlqqxl8kqgv2rfv6p3qng5pjd80j";
    };
  
    buildInputs = [ libcap_ng optOpenldap optPython optGo optKrb5 optTcp_wrappers ];
  
    # For libs only build and install the lib portion
    preBuild = optionalString libOnly ''
  
negative.code: , libcap_ng
  
  # Optional Dependencies
  , openldap ? null, python ? null, go ? null, libkrb5 ? null, tcp_wrappers ? null
  
  # Extra arguments
  , prefix ? ""
  