anchor.diff:    # but hash is changing ?
   
     # TODO: see if this is also true when using a tag (~goibhniu)
  +
  +  # This version does not run it exits with the following error:
  +  # raptor_new_uri_for_rdf_concept called with Raptor V1 world object
  +  # raptor_general.c:240:raptor_init: fatal error: raptor_init() failedAborted
     src = fetchsvn {
       url = "http://subversion.ardour.org/svn/ardour2/tags/${version}";
       sha256 = "0d4y8bv12kb0yd2srvxn5388sa4cl5d5rk381saj9f3jgpiciyky";
  
positive.code: { stdenv, fetchsvn, scons, boost, pkgconfig, fftw, librdf_raptor
  , librdf_rasqal, jackaudio, flac, libsamplerate, alsaLib, libxml2
  , libxslt, libsndfile, libsigcxx, libusb, cairomm, glib, pango
  , gtk, glibmm, gtkmm, libgnomecanvas, librdf, liblo, aubio
  , fftwSinglePrec, libmad, automake, autoconf, liblrdf, libtool }:
  
  stdenv.mkDerivation rec {
    name = "ardour-${version}";
  
negative.code:   buildInputs = [
      scons boost pkgconfig fftw librdf_raptor librdf_rasqal jackaudio
      flac libsamplerate alsaLib libxml2 libxslt libsndfile libsigcxx
      libusb cairomm glib pango gtk glibmm gtkmm libgnomecanvas liblrdf
      liblo aubio fftwSinglePrec libmad autoconf automake libtool
    ];
  
    buildPhase = ''
  