{
  description = "A devShell example";

  inputs = {
    nixpkgs.url      = "github:nixos/nixpkgs/nixos-unstable";
    rust-overlay.url = "github:oxalica/rust-overlay";
    flake-utils.url  = "github:numtide/flake-utils";
  };

  outputs = { self, nixpkgs, rust-overlay, flake-utils, ... }:
    flake-utils.lib.eachDefaultSystem (system:
      let
        overlays = [ (import rust-overlay) ];
        pkgs = import nixpkgs {
          inherit system overlays;
        };
        myrust = pkgs.rust-bin.selectLatestNightlyWith (toolchain: toolchain.default.override {
          extensions = [ "rust-analyzer" "rust-src" "rust-docs" ];
        });
      in
      with pkgs;
      rec {
        devShell = mkShell.override {stdenv = llvmPackages_14.stdenv;} {  # LibAFL needs LLVM
          buildInputs = [
            # rust-bin.nightly.latest.default
            myrust
            llvmPackages_14.libclang
            # für qemu
            python3
            meson # unsure
            ninja
            pkgconfig
            glib
            pixman
            # libslirp
            # für analyse der in-/outputs
            xxd
            # FreeRTOS
            gcc-arm-embedded
            # generate bindings from RTOS to Rust
            rust-bindgen
            # compare libafl edges
            packages.edge_compare
            # Debugging
            ddd
            # visualization
            graphviz
            rstudioWrapper
            R
            # dependencies for mosaic
            freetype
            fontconfig
          ];

          shellHook = ''
          export CUSTOM_QEMU_DIR=/home/alwin/code/FRET/qemu-libafl-bridge
          export CUSTOM_QEMU_NO_BUILD=1
          # export EMULATION_MODE=systemmode
          # export CPU_TARGET=arm
          # export CROSS_CC=arm-none-eabi-gcc
          export LIBCLANG_PATH=${llvmPackages_14.libclang.lib}/lib
          '';
        };

        packages = {
          edge_compare=rustPlatform.buildRustPackage rec {
            pname = "edge_compare";
            version = "0.1.0";

            src = ./edge_compare;

            cargoSha256 = "sha256-47THUU9aKhAwb2Tz8bJWDmVhDokpr+DOiFNZhmsN8Gk=";
          };
        };
      }
    );
}