lvtk: build using python3

{ lib, stdenv, fetchFromGitHub, boost, gtkmm2, lv2, pkg-config, python2, wafHook }:

{ lib, stdenv, fetchFromGitHub, boost, gtkmm2, lv2, pkg-config, python3, wafHook }:

stdenv.mkDerivation rec {

  pname = "lvtk";

    sha256 = "sha256-6IoyhBig3Nvc4Y8F0w8b1up6sn8O2RmoUVaBQ//+Aaw=";

  };

  nativeBuildInputs = [ pkg-config python2 wafHook ];

  nativeBuildInputs = [ pkg-config python3 wafHook ];

  buildInputs = [ boost gtkmm2 lv2 ];

  enableParallelBuilding = true;

  # Fix including the boost libraries during linking

  postPatch = ''

    # Fix including the boost libraries during linking

    sed -i '/target[ ]*= "ttl2c"/ ilib=["boost_system"],' tools/wscript_build

    # don't use bundled waf

    rm waf

    # remove (useless) python2 based print

    sed -e '/print/d' -i wscript

  '';

  wafConfigureFlags = [