NIXPKG1 http://nixos.org/releases/nixpkgs/nixpkgs-0.12/MANIFEST gnumake-3.81 x86_64-linux /nix/store/nf0khzz79pbgc8ijw6cb74c1d7sncski-gnumake-3.81.drv /nix/store/kigq43xdl0vmq67jy9h9dykzqma8si7a-gnumake-3.81