{stdenv, fetchurl, pkgconfig, expat, zlib, libpng, libjpeg, xorg}: stdenv.mkDerivation rec { name = "electricsheep-2.6.8"; src = fetchurl { url = "http://electricsheep.org/${name}.tar.gz"; sha256 = "1flqcqfs75wg74hr5w85n6w8b26l4qrpwzi7fzylnry67yzf94y5"; }; buildInputs = [pkgconfig expat zlib libpng libjpeg xorg.xlibsWrapper xorg.libXv]; preInstall = '' installFlags=GNOME_DATADIR=$out mkdir -p $out/control-center/screensavers ''; meta = { description = "Electric Sheep, a distributed screen saver for evolving artificial organisms"; homepage = http://electricsheep.org/; }; }