shell.nix

{ pkgs ? import <nixpkgs> {} }:
        with pkgs;

        let
                makePackageConfigPath = stdenv.lib.makeSearchPathOutput "dev" "lib/pkgconfig";
        in stdenv.mkDerivation rec {
                name = "rust-im-dev-env";

                buildInputs = [
                        pkgconfig
                        openssl
                ];

                LD_LIBRARY_PATH = stdenv.lib.makeLibraryPath buildInputs;
                PKG_CONFIG_PATH =  makePackageConfigPath buildInputs;
        }