flake.nix


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{
  description = "Dev shell for kernel/build environment";

  inputs.nixpkgs.url = "github:NixOS/nixpkgs/nixos-unstable";

  outputs = { self, nixpkgs }: 
    let
      system = "x86_64-linux";
      pkgs = import nixpkgs { inherit system; };
    in {
      devShells.${system}.default = pkgs.mkShell {
	packages = with pkgs; [
	  # base-devel equivalent
	  gcc
	  gnumake
	  binutils
	  pkg-config
	  autoconf
	  automake
	  libtool
	  patch
	  file
	  which

	  # explicit packages from your list
	  bc
	  coreutils
	  cpio
	  gettext
	  kmod
	  elfutils
	  ncurses
	  pahole
	  perl
	  python3
	  rsync
	  gnutar
	  gnupg
	  xz
	  qemu

	  # kernel build dependencies
	  flex
	  bison
	];
	
      };
    };
}