anchor.diff:      description = "Python bindings for Qt";
       license = "GPL";
       homepage = http://www.riverbankcomputing.co.uk;
  -    maintainers = [ lib.maintainers.sander ];
  -    platforms = lib.platforms.mesaPlatforms;
  +    maintainers = [ stdenv.lib.maintainers.sander ];
  +    platforms = stdenv.lib.platforms.mesaPlatforms;
     };
   }
  
positive.code: { lib, fetchurl, pythonPackages, qt4, pkgconfig, lndir, dbus_libs, makeWrapper }:
  
  let
    version = "4.11.3";
  
negative.code:     rm -rf "$out/nix-support"
  
      export PYTHONPATH=$PYTHONPATH:$out/lib/${python.libPrefix}/site-packages
      ${stdenv.lib.optionalString stdenv.isDarwin ''
        export QMAKESPEC="unsupported/macx-clang-libc++" # OS X target after bootstrapping phase \
      ''}
  
      substituteInPlace configure.py \
        --replace 'install_dir=pydbusmoddir' "install_dir='$out/lib/${python.libPrefix}/site-packages/dbus/mainloop'" \
      ${stdenv.lib.optionalString stdenv.isDarwin ''
        --replace "qt_macx_spec = 'macx-g++'" "qt_macx_spec = 'unsupported/macx-clang-libc++'" # for bootstrapping phase \
      ''}
  
      configureFlagsArray=( \
        --confirm-license --bindir $out/bin \
  