anchor.diff:  
   , fontconfig
   , freetype
  -, jdk
  +###, jdk
   , libaacs
   , libbdplus
   , libxml2
  
positive.code:     "-lbdplus"
    ];
  
    preConfigure = ''
      export JDK_HOME="${jdk.home}"
    '';
  
    meta = with stdenv.lib; {
      description = "Library to access Blu-Ray disks for video playback";
  
negative.code:     (wtFlag "libxml2" (libxml2 != null) null)
      (wtFlag "freetype" (freetype != null) null)
      (wtFlag "fontconfig" (fontconfig != null) null)
      ###"--with-bdj-type=j2se"
      #"--with-bdj-bootclasspath="
    ];
  
  