fix: disable libcamera in pipewire via mesonFlags for both pkgs and rpi

flake.nix

@@ -99,8 +99,27 @@
               nixpkgs.hostPlatform = "aarch64-linux";
               nixpkgs.config.allowUnfree = true;
               boot.loader.raspberry-pi.bootloader = "kernel";
+              # Kill camera packages — not needed on uConsole, break cross-compile
+              nixpkgs.overlays = [
+                (final: prev: {
+                  pipewire = prev.pipewire.overrideAttrs (old: {
+                    mesonFlags = old.mesonFlags ++ [ "-Dlibcamera=disabled" ];
+                  });
+                })
+              ];
             }
             nixos-raspberrypi.nixosModules.nixpkgs-rpi
+            # Disable libcamera in rpi pipewire too (separate nixpkgs instance)
+            ({ config, lib, pkgs, ... }: {
+              nixpkgs.overlays = [
+                (final: prev: {
+                  pipewire = prev.pipewire.overrideAttrs (old: {
+                    mesonFlags = old.mesonFlags ++ [ "-Dlibcamera=disabled" ];
+                  });
+                })
+              ];
+            })
+
 # Patches are now in gortium/nixos-uconsole fork (cm5_fix branch)
             nixos-raspberrypi.nixosModules.raspberry-pi-5.base
             nixos-raspberrypi.lib.inject-overlays