anchor.diff:      "Crossover" # fails self-test
       "CrypticIBDcheck" # requires rJPSGCS
       "cudaBayesreg" # requres Rmath
  -    "curl" # build is broken
       "curvHDR" # requires flowCore
       "D2C" # requires gRbase
       "DAAGbio" # requires limma
  
positive.code:     CARramps = [ pkgs.linuxPackages.nvidia_x11 pkgs.liblapack ];
      chebpol = [ pkgs.fftw ];
      cit = [ pkgs.gsl ];
      curl = [ pkgs.curl pkgs.openldap ];
      devEMF = [ pkgs.xlibs.libXft ];
      diversitree = [ pkgs.gsl pkgs.fftw ];
      EMCluster = [ pkgs.liblapack ];
  
negative.code:     });
  
      curl = old.curl.overrideDerivation (attrs: {
        preConfigure = "export CURL_INCLUDES=${pkgs.curl}/include";
      });
  
      iFes = old.iFes.overrideDerivation (attrs: {
  