anchor.diff:        preConfigure = "patchShebangs configure";
       });
   
  -    iFes = old.iFes.overrideDerivation (attrs: {
  -      CUDA_HOME = "${pkgs.cudatoolkit}";
  -    });
  -
       RcppArmadillo = old.RcppArmadillo.overrideDerivation (attrs: {
         patchPhase = "patchShebangs configure";
       });
  
positive.code:     cairoDevice = [ pkgs.gtk2 ];
      Cairo = [ pkgs.libtiff pkgs.libjpeg pkgs.cairo ];
      Cardinal = [ pkgs.which ];
      CARramps = [ pkgs.linuxPackages.nvidia_x11 pkgs.liblapack ];
      chebpol = [ pkgs.fftw ];
      ChemmineOB = [ pkgs.openbabel pkgs.pkgconfig ];
      cit = [ pkgs.gsl ];
  
negative.code:     "ShortRead" # depends on broken package Rsamtools-1.21.8
      "Shrinkage" # depends on broken package r-multtest-2.25.2
      "SIBER"
      "SICtools" # depends on broken package r-Biostrings-2.38.2
      "SID" # broken build
      "sigaR" # broken build
      "SigCheck" # broken build
  