{stdenv, fetchurl, perl}: stdenv.mkDerivation rec { name = "libical-0.48"; src = fetchurl { url = "mirror://sourceforge/freeassociation/${name}.tar.gz"; sha256 = "1w6znkh0xxhbcm717mbzfva9ycrqs2lajhng391i7pghaw3qprra"; }; buildNativeInputs = [ perl ]; }