anchor.diff:      patchShebangs ./tools/
     '';
   
  -  configurePhase = "python waf configure --optimize --docs --with-backends=jack,alsa --prefix=$out";
  +  configurePhase = "${python2.interpreter} waf configure --optimize --docs --with-backends=jack,alsa --prefix=$out";
   
  -  buildPhase = "python waf";
  +  buildPhase = "${python2.interpreter} waf";
   
     installPhase = ''
  -    python waf install
  +    ${python2.interpreter} waf install
       # Install desktop file
       mkdir -p "$out/share/applications"
       cat > "$out/share/applications/ardour.desktop" << EOF
  
positive.code:       glibmm graphviz gtkmm2 libjack2 libgnomecanvas libgnomecanvasmm liblo
        libmad libogg librdf librdf_raptor librdf_rasqal libsamplerate
        libsigcxx libsndfile libusb libuuid libxml2 libxslt lilv-svn lv2
        makeWrapper pango perl pkgconfig python rubberband serd sord-svn sratom suil taglib vampSDK
      ];
  
    # ardour's wscript has a "tarball" target but that required the git revision
  
negative.code: , libgnomecanvas, libgnomecanvasmm, liblo, libmad, libogg, librdf
  , librdf_raptor, librdf_rasqal, libsamplerate, libsigcxx, libsndfile
  , libusb, libuuid, libxml2, libxslt, lilv-svn, lv2, makeWrapper, pango
  , perl, pkgconfig, python2, rubberband, serd, sord-svn, sratom, suil, taglib, vampSDK }:
  
  let
  
  