{stdenv, fetchurl, perl}: stdenv.mkDerivation rec { name = "libical-0.47"; src = fetchurl { url = "mirror://sourceforge/freeassociation/${name}.tar.gz"; sha256 = "1218vaaks9lvx31mrc8212kyngw2k68xm0914vrd77ixn55vnk5g"; }; buildNativeInputs = [ perl ]; }