{ callPackage, fetchFromGitHub, ... } @ args: callPackage ./generic.nix (args // rec { version = "3.2.0"; src = fetchFromGitHub { owner = "msgpack"; repo = "msgpack-c"; rev = "cpp-${version}"; sha256 = "07n0kdmdjn3amwfg7fqz3xac1yrrxh7d2l6p4pgc6as087pbm8pl"; }; })