with import <nixpkgs> {};
stdenv.mkDerivation {
  name = "env";
  buildInputs = [
    ((libxslt.override {
      # added in nixpkgs 11-12-2016
      cryptoSupport = true;
    }).overrideAttrs (old: {
      # can be removed eventually: https://github.com/NixOS/nixpkgs/pull/53346
      buildInputs = old.buildInputs ++ [ libgcrypt ];
    }))
    libxml2
    wget
    rsync
    gnumake
  ];
  shellHook = ''
    unset SOURCE_DATE_EPOCH
  '';
}