let
  pkgs = import <nixpkgs> {};
in
pkgs.mkShell {
  nativeBuildInputs = (with pkgs; [
#    haskell.compiler.ghc948
    ghc
    cabal-install
    mkl
#    gmp
#    numactl
  ]);
  PKG_CONFIG_PATH="${pkgs.mkl}/lib/pkgconfig";
}