{ inputs = { nixpkgs.url = "github:NixOS/nixpkgs/nixos-25.05"; flake-utils.url = "github:numtide/flake-utils"; rust-overlay = { url = "github:oxalica/rust-overlay"; inputs.nixpkgs.follows = "nixpkgs"; }; naersk = { url = "github:nix-community/naersk"; inputs.nixpkgs.follows = "nixpkgs"; }; }; outputs = { self, nixpkgs, rust-overlay, naersk, flake-utils, ... }: flake-utils.lib.eachDefaultSystem ( system: let overlays = [ (import rust-overlay) ]; pkgs = import nixpkgs { inherit system overlays; }; rustToolchain = pkgs.rust-bin.stable.latest.default.override { extensions = [ "rust-src" "rust-analyzer" ]; targets = [ "x86_64-unknown-linux-gnu" "x86_64-unknown-linux-musl" ]; }; naersk-lib = pkgs.callPackage naersk { cargo = rustToolchain; rustc = rustToolchain; }; in { devShells.default = pkgs.mkShell { buildInputs = with pkgs; [ rustToolchain ]; RUST_SRC_PATH = "${rustToolchain}/lib/rustlib/src/rust/library"; }; checks = { build = self.packages.${system}.default; }; packages.default = naersk-lib.buildPackage { src = ./.; buildInputs = with pkgs; [ openssl glibc ]; }; } ); }