{stdenv, fetchurl}: stdenv.mkDerivation { name = "valgrind-3.2.3"; src = fetchurl { url = http://valgrind.org/downloads/valgrind-3.2.3.tar.bz2; sha256 = "0hf48y13mm1c1zg59bvkbr0lzcwng5mb33lgiv3d0gzl4w2r5jhv"; }; meta = { description = "Award-winning suite of tools for debugging and profiling Linux programs"; }; }