anchor.diff:      hdf5 = null;
       glpk = null;
       suitesparse = null;
  -    openjdk = null;
  +    jdk = null;
       gnuplot = null;
     };
     octaveFull = (lowPrio (callPackage ../development/interpreters/octave {
  
positive.code:   lttv = callPackage ../development/tools/misc/lttv { };
  
    maven = maven3;
    maven3 = callPackage ../development/tools/build-managers/apache-maven { jdk = openjdk; };
  
    mk = callPackage ../development/tools/build-managers/mk { };
  
  
negative.code:     inherit (perlPackages) ArchiveZip CompressZlib;
      inherit (gnome) GConf ORBit2 gnome_vfs;
      zip = zip.override { enableNLS = false; };
      boost = boost155;
      glm = glm_0954;
      fontsConf = makeFontsConf {
  