depot/third_party/nixpkgs/pkgs/development/compilers/scryer-prolog/default.nix

{ lib
, rustPlatform
, fetchFromGitHub
, pkg-config
, openssl
, stdenv
, darwin
}:

rustPlatform.buildRustPackage rec {
  pname = "scryer-prolog";
  version = "0.9.4";

  src = fetchFromGitHub {
    owner = "mthom";
    repo = "scryer-prolog";
    rev = "v${version}";
    hash = "sha256-0c0MsjrHRitg+5VEHB9/iSuiqcPztF+2inDZa9fQpwU=";
  };

  cargoHash = "sha256-q8s6HAJhKnMhsgZk5plR+ar3CpLKNqjrD14roDWLwfo=";

  nativeBuildInputs = [ pkg-config ];

  buildInputs = [ openssl ]
                ++ lib.optionals stdenv.hostPlatform.isDarwin [
                  darwin.apple_sdk.frameworks.SystemConfiguration
                ];

  CARGO_FEATURE_USE_SYSTEM_LIBS = true;

  meta = with lib; {
    description = "Modern Prolog implementation written mostly in Rust";
    mainProgram = "scryer-prolog";
    homepage = "https://github.com/mthom/scryer-prolog";
    license = with licenses; [ bsd3 ];
    maintainers = with maintainers; [ malbarbo wkral ];
  };
}