{ lib, gccStdenv, fetchurl, gmp }: gccStdenv.mkDerivation rec { pname = "cln"; version = "1.3.7"; src = fetchurl { url = "${meta.homepage}${pname}-${version}.tar.bz2"; sha256 = "sha256-fH7YR0lYM35N9btX6lF2rQNlAEy7mLYhdlvEYGoQ2Gs="; }; buildInputs = [ gmp ]; meta = with lib; { description = "C/C++ library for numbers, a part of GiNaC"; homepage = "https://www.ginac.de/CLN/"; license = licenses.gpl2; platforms = platforms.unix; # Once had cygwin problems }; }