anchor.diff:        --with-sqlite3
         --with-socketdir=/var/lib/powerdns
         --with-libcrypto=${openssl.dev}
  -      --enable-libsodium
  -      --enable-botan
  +      --with-libsodium
         --enable-tools
         --disable-dependency-tracking
         --disable-silent-rules
  
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: { stdenv, fetchurl, pkgconfig
  , boost, libyamlcpp, libsodium, sqlite, protobuf, openssl
  , mysql57, postgresql, lua, openldap, geoip, curl, opendbx, unixODBC
  }:
  
  