···2233let
44 system = stdenv.system;
55- arch = if system == "i686-linux" then "ia32" else if system == "x86_64-linux" then "x64" else abort "not supported";
55+ arch = if system == "i686-linux" then "ia32" else if system == "x86_64-linux" then "x64" else "";
66in
77+assert system == "i686-linux" || system == "x86_64-linux";
78stdenv.mkDerivation rec {
89 name = "v8-r${toString src.rev}";
910 src = fetchsvn {