NIXPKG1 http://nix.cs.uu.nl/dist/nix/nixpkgs-0.11/MANIFEST flex-2.5.33 i686-linux /nix/store/bp0fsgp08nhackxsd6ap7wj0yda604x2-flex-2.5.33.drv /nix/store/c4pd32q9hmkpa6fn31smvsrkzb4hlhag-flex-2.5.33