args: with args; stdenv.mkDerivation { name = "iperf-2.0.4"; src = args.fetchurl { url = http://garr.dl.sourceforge.net/sourceforge/iperf/iperf-2.0.4.tar.gz; sha256 = "0i3r75prbyxs56rngjbrag8rg480ki3daaa924krrafng30z2liv"; }; #buildInputs =(with args; []); meta = { homepage = ""; description = "tool to measure IP bandwidth using UDP or TCP"; license = "as-is"; }; }