{stdenv, fetchurl, libunwind}: stdenv.mkDerivation rec { name = "google-perftools-1.8.3"; src = fetchurl { url = "http://google-perftools.googlecode.com/files/${name}.tar.gz"; sha256 = "0ncx3a8jl6n38q9bjnaz5sq96yb6yh99j3bl64k3295v9arl9mva"; }; buildInputs = [libunwind]; meta = { description = "Fast, multi-threaded malloc() and nifty performance analysis tools."; platforms = stdenv.lib.platforms.linux; }; }