{ lib , fetchFromGitHub , stdenv , cmake , gperftools , withGPerfTools ? true }: stdenv.mkDerivation rec { pname = "sentencepiece"; version = "0.1.97"; src = fetchFromGitHub { owner = "google"; repo = pname; rev = "v${version}"; sha256 = "sha256-T6qQtLmuPKVha0CwX4fBH7IQoAlwVj64X2qDecWd7s8="; }; nativeBuildInputs = [ cmake ]; buildInputs = lib.optionals withGPerfTools [ gperftools ]; outputs = [ "bin" "dev" "out" ]; meta = with lib; { homepage = "https://github.com/google/sentencepiece"; description = "Unsupervised text tokenizer for Neural Network-based text generation"; license = licenses.asl20; platforms = platforms.unix; maintainers = with maintainers; [ pashashocky ]; }; }