{ depot, pkgs, ... }: (pkgs.grpc.override { protobuf = depot.third_party.protobuf; stdenv = pkgs.llvmPackages.libcxxStdenv; abseil-cpp = depot.third_party.abseil_cpp; }).overrideAttrs(orig: rec { cmakeFlags = orig.cmakeFlags ++ [ "-DCMAKE_CXX_STANDARD=17" "-DCMAKE_CXX_STANDARD_REQUIRED=ON" ]; })