Merge #30927: sqlite: 3.20.0 -> 3.21.0

assert interactive -> readline != null && ncurses != null;

stdenv.mkDerivation {

  name = "sqlite-3.20.0";

  name = "sqlite-3.21.0";

  src = fetchurl {

    url = "http://sqlite.org/2017/sqlite-autoconf-3200000.tar.gz";

    sha256 = "1876dapm1xx5aqd2d8l7ymmkd2z9rybh99rp5f5rd4zz57vcc51q";

    url = "http://sqlite.org/2017/sqlite-autoconf-3210000.tar.gz";

    sha256 = "1qxvzdjwzw6k0kqjfabj86rnq87xdbwbca7laxxdhnh0fmkm3pfp";

  };

  outputs = [ "bin" "dev" "out" ];