anchor.diff:        crazy sounds never heard before.
       '';
       homepage = http://guitarix.sourceforge.net/;
  -    license = stdenv.lib.licenses.gpl3Plus;
  -    maintainers = [ stdenv.lib.maintainers.astsmtl ];
  -    platforms = stdenv.lib.platforms.linux;
  +    license = licenses.gpl3Plus;
  +    maintainers = with maintainers; [ astsmtl goibhniu ];
  +    platforms = platforms.linux;
     };
   }
  
positive.code: { stdenv, fetchurl, python, gettext, intltool, pkgconfig, jackaudio, libsndfile
  , glib, gtk, glibmm, gtkmm, fftw, librdf, ladspaH, boost }:
  
  stdenv.mkDerivation rec {
    name = "guitarix-${version}";
    version = "0.25.2";
  
    src = fetchurl {
      url = "mirror://sourceforge/guitarix/guitarix2-${version}.tar.bz2";
      sha256 = "1wcg3yc2iy72hj6z9l88393f00by0iwhhn8xrc3q55p4rj0mnrga";
    };
  
    buildInputs =
      [ python gettext intltool pkgconfig jackaudio libsndfile glib gtk glibmm
        gtkmm fftw librdf ladspaH boost
      ];
  
    configurePhase = "python waf configure --prefix=$out";
  
  
negative.code: 
    installPhase = "python waf install";
  
    meta = with stdenv.lib; { 
      description = "A virtual guitar amplifier for Linux running with JACK";
      longDescription = ''
          guitarix is a virtual guitar amplifier for Linux running with
  