borgbackup: add blake2 library to build inputs

{ stdenv, python3Packages, acl, lz4, openssl, openssh }:

{ stdenv, python3Packages, acl, libb2, lz4, openssl, openssh }:

python3Packages.buildPythonApplication rec {

  pname = "borgbackup";

    sphinx guzzle_sphinx_theme

  ];

  buildInputs = [

    lz4 openssl python3Packages.setuptools_scm

    libb2 lz4 openssl python3Packages.setuptools_scm

  ] ++ stdenv.lib.optionals stdenv.isLinux [ acl ];

  propagatedBuildInputs = with python3Packages; [

    cython msgpack-python

  preConfigure = ''

    export BORG_OPENSSL_PREFIX="${openssl.dev}"

    export BORG_LZ4_PREFIX="${lz4.dev}"

    export BORG_LIBB2_PREFIX="${libb2}"

  '';

  makeWrapperArgs = [