{
  hostNixpkgs ? <nixpkgs>,
  pkgs         ? import ../pin.nix {
    hostPkgs = import hostNixpkgs {};
    jsonpath =../nixpkgs-18.03.json;
  },
  datamovepkgs ? import ../pin.nix {
    hostPkgs = import hostNixpkgs {};
    jsonpath=../datamove.json;
  },
  packagepins ? import ./pins.nix {inherit (pkgs) stdenv fetchgit fetchgitPrivate;}
}:
let
  toPath = s: ./. + s;
  gitpin = f: pkgs.fetchgit {inherit (pkgs.lib.importJSON f) url sha256 rev fetchSubmodules;};
  compiler_path = "/opt/intel/compilers_and_libraries_2017.1.132/linux";
  callPackage = pkgs.lib.callPackageWith pkgs;
  callPackagePin =
  { path
  , nixName ? "default"
  , jsonName ? nixName
  , depset ? {} } :
  let
    jsonPath = toPath "/${path}/${jsonName}.json";
  in
  pkgs.lib.callPackageWith pkgs (toPath "/${path}/${nixName}.nix") (depset // {src = gitpin jsonPath;});
  pythonPackages = pkgs.python27Packages;
in rec {
  #NRM components
  nodelevel = {

  libnrm = callPackagePin {path="libnrm";};

  containers = callPackagePin
  {
    path = "./containers";
    depset= { inherit pythonPackages; };
  };
  containers-bandit = callPackagePin
  {
    path = "./containers";
    depset= { inherit pythonPackages; };
    jsonName = "bandit";
  };

  nrm = callPackagePin {
    path= "./nrm";
    depset = { inherit pythonPackages nrm-containers; };
  };

  nrm-bandit = callPackagePin {
    path= "./nrm";
    depset = {
      inherit pythonPackages nrm-containers;
      nrm-containers = nrm-containers-bandit;
    };
    jsonName = "bandit";
  };
  }

  #Instrumented applications
  applications = rec {
    lammps = pkgs.lammps-mpi;
    stream = callPackage {path="applications/stream";};
    openmc = callPackage {path="applications/openmc";};
    qmcpack = callPackage {path="applications/qmcpack";};
    amg = callPackage {path="applications/amg";};
    graph500 = callPackagePin {path="applications/simple"; nixName = "graph500";};
    simple = callPackagePin {path="applications/simple"; nixName = "dgemm_randomwalk"; depset={inherit intel libnrm;};};
  };

  #Intel compilers
  intel = with pkgs; rec {
    icc = callPackage intel/icc { inherit compiler_path; };
    mkl = callPackage intel/mkl { inherit compiler_path; };
    WrappedICC = (import ../patches/cc-wrapper  {
        inherit stdenv binutils coreutils ;
        libc = glibc;
        nativeTools = false;
        nativeLibc = false;
        cc = icc;
    });
  };
}