let
  pkgs = import <nixpkgs> {};
  openblas32 = (pkgs.openblas.override {blas64 = false;});
in
pkgs.mkShell {
  nativeBuildInputs = (with pkgs; [
    ghc
    cabal-install
    openblas32
  ]);
  LD_LIBRARY_PATH="${pkgs.gfortran.cc.lib}/lib:";
}