Add libc to flake

flake.nix

@@ -17,11 +17,15 @@
 
     in {
 
-      lib = import ./lib { genodepkgs = self; inherit nixpkgs dhall-haskell genode-depot; };
+      lib = import ./lib {
+        genodepkgs = self;
+        inherit nixpkgs dhall-haskell genode-depot;
+      };
 
       packages = forAllSystems (system:
         import ./packages.nix {
           inherit system nixpkgs;
+          depot = builtins.getAttr system genode-depot.packages;
         });
 
       checks = forAllSystems (system:

packages.nix

@@ -2,7 +2,7 @@
 #
 # SPDX-License-Identifier: LicenseRef-Hippocratic-1.1
 
-{ system, nixpkgs }:
+{ system, nixpkgs, depot }:
 
 let
   toolchainOverlay = import ./toolchain-overlay;
@@ -13,7 +13,6 @@ let
   inherit (super) callPackage;
 
   genode = (callPackage ./upstream { } // {
-    libc = callPackage ./pkgs/libc { };
     nic_bus = callPackage ./pkgs/nic_bus { };
   });
   dhallPackages = super.dhallPackages // (callPackage ./dhall { });
@@ -23,6 +22,7 @@ in rec {
   genode-base-linux = genode.base-linux;
   genode-base-nova = genode.base-nova;
   genode-os = genode.os;
+  libc = callPackage ./pkgs/libc { inherit depot; };
 
   dhallGenode = dhallPackages.genode;
   dhallPrelude = dhallPackages.prelude;