{ callPackage, fetchFromGitHub, ... } @ args: callPackage ./generic.nix (args // rec { version = "3.3.0"; src = fetchFromGitHub { owner = "msgpack"; repo = "msgpack-c"; rev = "cpp-${version}"; sha256 = "02dxgzxlwn8g9ca2j4m0rjvdq1k2iciy6ickj615daz5w8pcjajd"; }; })