let
  nixpkgs = fetchTarball "https://github.com/NixOS/nixpkgs/tarball/nixos-25.05";
  pkgs = import nixpkgs { config = {}; overlays = []; };
in
pkgs.mkShellNoCC {
  packages = with pkgs; [
    sdl3
    libpng
    glib

    gcc
    indent
    pkg-config
    cloc
    valgrind
    gdb
    cpulimit
    linuxKernel.packages.linux_6_12.perf    
  ];
}