{ stdenv, fetchurl }: stdenv.mkDerivation rec { pname = "libev"; version="4.31"; src = fetchurl { url = "http://dist.schmorp.de/libev/Attic/${pname}-${version}.tar.gz"; sha256 = "0nkfqv69wfyy2bpga4d53iqydycpik8jp8x6q70353hia8mmv1gd"; }; meta = { description = "A high-performance event loop/event model with lots of features"; maintainers = [ stdenv.lib.maintainers.raskin ]; platforms = stdenv.lib.platforms.all; license = stdenv.lib.licenses.bsd2; # or GPL2+ }; }