{ lib, stdenv, fetchurl , IOKit ? null }: stdenv.mkDerivation rec { name = "libstatgrab-0.92"; src = fetchurl { url = "https://ftp.i-scream.org/pub/i-scream/libstatgrab/${name}.tar.gz"; sha256 = "15m1sl990l85ijf8pnc6hdfha6fqyiq74mijrzm3xz4zzxm91wav"; }; buildInputs = [] ++ lib.optional stdenv.isDarwin IOKit; meta = with lib; { homepage = "https://www.i-scream.org/libstatgrab/"; description = "A library that provides cross platforms access to statistics about the running system"; license = licenses.gpl2; platforms = platforms.unix; }; }