anchor.diff:  { stdenv, fetchurl, pkgconfig
  -, boost, libyamlcpp, libsodium, sqlite, protobuf, botan2, openssl
  +, boost, libyamlcpp, libsodium, sqlite, protobuf, openssl
   , mysql57, postgresql, lua, openldap, geoip, curl, opendbx, unixODBC
   }:
   
  
positive.code:   nativeBuildInputs = [ pkgconfig ];
    buildInputs = [
      boost mysql57.connector-c postgresql lua openldap sqlite protobuf geoip
      libyamlcpp libsodium curl opendbx unixODBC botan2 openssl
    ];
  
    # nix destroy with-modules arguments, when using configureFlags
  
negative.code:       --with-sqlite3
        --with-socketdir=/var/lib/powerdns
        --with-libcrypto=${openssl.dev}
        --with-libsodium
        --enable-tools
        --disable-dependency-tracking
        --disable-silent-rules
  