{ pkgs }: let nixpkgsWithLLVM13_0_1 = pkgs.fetchFromGitHub { owner = "TerrorJack"; repo = "nixpkgs"; rev = "1a8754caf8eb8831b904daaf34b2ee737053b383"; sha256 = "jmZIAMpm5wPw1QclgA6jsgMbN5MinakuXtUFHZWd5kY="; }; pkgsFork = import nixpkgsWithLLVM13_0_1 { system = pkgs.system; }; in pkgs.mkShell { buildInputs = with pkgs; [ cmake ninja pkgsFork.llvmPackages_13.clang-unwrapped pkgsFork.llvmPackages_13.llvm pkgsFork.llvmPackages_13.lld libxml2 zlib ]; hardeningDisable = [ "all" ]; }