{ description = "A very basic flake"; inputs = { nixpkgs.url = "github:nixos/nixpkgs/nixos-unstable"; }; outputs = { self, nixpkgs, ... }: let system = "x86_64-linux"; pkgs = import nixpkgs { inherit system; }; in { devShell.x86_64-linux = pkgs.mkShell rec { name = "gcc-devel"; packages = with pkgs; [ cmake libgcc gdb gef ]; }; }; }