anchor.diff:      xorg.libXxf86vm
     ];
   
  -  postPatch = ''
  -    patchShebangs ./TOOLS/
  -  '';
  -
     configureFlags = [
       "--enable-libmpv-shared"
       "--disable-libmpv-static"
  
positive.code: { stdenv
  , fetchurl
  , makeWrapper
  , perl
  , pkgconfig
  , python
  , which
  
  , alsa-lib
  
negative.code:     perl
      python
      pythonPackages.docutils
      waf
      which
    ];
  
  