anchor.diff:          '';
       });
   
  +    rzmq = old.rzmq.overrideDerivation (attrs: {
  +      preConfigure = "patchShebangs configure";
  +    });
  +
  +    clustermq = old.clustermq.overrideDerivation (attrs: {
  +      preConfigure = "patchShebangs configure";
  +    });
  +
       Cairo = old.Cairo.overrideDerivation (attrs: {
         NIX_LDFLAGS = "-lfontconfig";
       });
  
positive.code:     rtiff = [ pkgs.libtiff.dev ];
      runjags = [ pkgs.jags ];
      RVowpalWabbit = [ pkgs.zlib.dev pkgs.boost ];
      rzmq = [ pkgs.zeromq ];
      SAVE = [ pkgs.zlib pkgs.bzip2 pkgs.icu pkgs.lzma pkgs.pcre ];
      sdcTable = [ pkgs.gmp pkgs.glpk ];
      seewave = [ pkgs.fftw.dev pkgs.libsndfile.dev ];
  
negative.code:     nat = [ pkgs.which ];
      nat_templatebrains = [ pkgs.which ];
      pbdZMQ = lib.optionals stdenv.isDarwin [ pkgs.darwin.binutils ];
      clustermq = [  pkgs.pkgconfig ];
      RMark = [ pkgs.which ];
      RPushbullet = [ pkgs.which ];
      RcppEigen = [ pkgs.libiconv ];
  