NIXPKG1 http://nix.cs.uu.nl/dist/nix/nixpkgs-0.11/MANIFEST autoconf-2.61 powerpc-darwin /nix/store/cayyxdqgda7518klbqqydgz5ic4jcmv1-autoconf-2.61.drv /nix/store/afpzfim7748qwjkab1zxs7sh33bfbkxr-autoconf-2.61