nixpkgs/pkgs/development/compilers/fstar/ulib.nix

{
  fstar-dune,
  src,
  stdenv,
  version,
  z3,
}:

stdenv.mkDerivation {
  pname = "fstar-ulib";
  inherit version src;

  nativeBuildInputs = [
    z3
  ];

  postPatch = ''
    mkdir -p bin
    cp ${fstar-dune}/bin/fstar.exe bin
    patchShebangs ulib/install-ulib.sh
    cd ulib
  '';

  makeFlags = [ "PREFIX=$(out)" ];

  enableParallelBuilding = true;
}