{ lib , fetchFromGitHub , stdenv , cmake , gperftools , withGPerfTools ? true }: stdenv.mkDerivation rec { pname = "sentencepiece"; version = "0.1.85"; src = fetchFromGitHub { owner = "google"; repo = pname; rev = "v${version}"; sha256 = "1ncvyw9ar0z7nd47cysxg5xrjm01y1shdlhp8l2pdpx059p3yx3w"; }; nativeBuildInputs = [ cmake ] ++ lib.optional withGPerfTools gperftools; outputs = [ "bin" "dev" "out" ]; meta = with stdenv.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; [ danieldk pashashocky ]; }; }