{ pkgs, lib, config, inputs, ... }: { imports = []; config = { nix.binaryCaches = [ "https://cache.nixos.org/" "https://cache.allvm.org/" ]; nix.binaryCachePublicKeys = [ "gravity.cs.illinois.edu-1:yymmNS/WMf0iTj2NnD0nrVV8cBOXM9ivAkEdO1Lro3U=" ]; nativeStdenv = prev.stdenvAdapters.withCFlags ["-O3" "-pipe" "-march=native"] (prev.overrideCC prev.llvmPackages_latest.stdenv (prev.wrapCCWith rec { cc = prev.llvmPackages_latest.clang-unwrapped; bintools = final.wrapBintoolsWith { coreutils = final.uutils-coreutils; libc = final.musl; bintools = final.binutils-unwrapped.overrideAttrs (old: { postInstall = '' ln -sf ${final.mold}/bin/mold $out/bin/ld ''; }); }; })); }; }