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

flake.lock

@@ -23,6 +23,22 @@
         "type": "github"
       }
     },
+    "argononed": {
+      "flake": false,
+      "locked": {
+        "lastModified": 1729566243,
+        "narHash": "sha256-DPNI0Dpk5aym3Baf5UbEe5GENDrSmmXVdriRSWE+rgk=",
+        "owner": "nvmd",
+        "repo": "argononed",
+        "rev": "16dbee54d49b66d5654d228d1061246b440ef7cf",
+        "type": "github"
+      },
+      "original": {
+        "owner": "nvmd",
+        "repo": "argononed",
+        "type": "github"
+      }
+    },
     "flake-compat": {
       "flake": false,
       "locked": {
@@ -37,6 +53,21 @@
         "url": "https://git.lix.systems/lix-project/flake-compat/archive/main.tar.gz"
       }
     },
+    "flake-compat_2": {
+      "locked": {
+        "lastModified": 1767039857,
+        "narHash": "sha256-vNpUSpF5Nuw8xvDLj2KCwwksIbjua2LZCqhV1LNRDns=",
+        "owner": "edolstra",
+        "repo": "flake-compat",
+        "rev": "5edf11c44bc78a0d334f6334cdaf7d60d732daab",
+        "type": "github"
+      },
+      "original": {
+        "owner": "edolstra",
+        "repo": "flake-compat",
+        "type": "github"
+      }
+    },
     "home-manager": {
       "inputs": {
         "nixpkgs": [
@@ -144,6 +175,80 @@
         "type": "github"
       }
     },
+    "nixos-images": {
+      "inputs": {
+        "nixos-stable": [
+          "nixos-raspberrypi",
+          "nixpkgs"
+        ],
+        "nixos-unstable": [
+          "nixos-raspberrypi",
+          "nixpkgs"
+        ]
+      },
+      "locked": {
+        "lastModified": 1747747741,
+        "narHash": "sha256-LUOH27unNWbGTvZFitHonraNx0JF/55h30r9WxqrznM=",
+        "owner": "nvmd",
+        "repo": "nixos-images",
+        "rev": "cbbd6db325775096680b65e2a32fb6187c09bbb4",
+        "type": "github"
+      },
+      "original": {
+        "owner": "nvmd",
+        "ref": "sdimage-installer",
+        "repo": "nixos-images",
+        "type": "github"
+      }
+    },
+    "nixos-raspberrypi": {
+      "inputs": {
+        "argononed": "argononed",
+        "flake-compat": "flake-compat_2",
+        "nixos-images": "nixos-images",
+        "nixpkgs": [
+          "nixpkgs-uconsole"
+        ]
+      },
+      "locked": {
+        "lastModified": 1781324200,
+        "narHash": "sha256-JWqxN2Yle86+4Q+GFh12SvB92ZyLeqalVsN9lfMh6eQ=",
+        "owner": "gortium",
+        "repo": "nixos-raspberrypi",
+        "rev": "721a6e9e67dca3a23133db650b87018646bca3e6",
+        "type": "github"
+      },
+      "original": {
+        "owner": "gortium",
+        "ref": "cm5-cross-v1",
+        "repo": "nixos-raspberrypi",
+        "type": "github"
+      }
+    },
+    "nixos-uconsole": {
+      "inputs": {
+        "nixos-raspberrypi": [
+          "nixos-raspberrypi"
+        ],
+        "nixpkgs": [
+          "nixpkgs-uconsole"
+        ]
+      },
+      "locked": {
+        "lastModified": 1781406889,
+        "narHash": "sha256-cUD2zvOgHMMjIn4wd4dvpW2GZtCFWtUS+7CPrzQwpPA=",
+        "owner": "gortium",
+        "repo": "nixos-uconsole",
+        "rev": "b556f9315358dbd53bf868cc24e5872ee15763d8",
+        "type": "github"
+      },
+      "original": {
+        "owner": "gortium",
+        "ref": "cm5_fix",
+        "repo": "nixos-uconsole",
+        "type": "github"
+      }
+    },
     "nixpkgs": {
       "locked": {
         "lastModified": 1705033721,
@@ -176,6 +281,22 @@
         "type": "github"
       }
     },
+    "nixpkgs-uconsole": {
+      "locked": {
+        "lastModified": 1780952837,
+        "narHash": "sha256-Fwd1+spDtQ0hDyBwme6ufG3n4mY0UrjjFdYHv+G/Hds=",
+        "owner": "NixOS",
+        "repo": "nixpkgs",
+        "rev": "e820eb4a444b46a19b2e03e8dfd2359439ff30fe",
+        "type": "github"
+      },
+      "original": {
+        "owner": "NixOS",
+        "ref": "nixos-25.11",
+        "repo": "nixpkgs",
+        "type": "github"
+      }
+    },
     "nixpkgs_2": {
       "locked": {
         "lastModified": 1774386573,
@@ -212,7 +333,10 @@
       "inputs": {
         "agenix": "agenix",
         "lix": "lix",
-        "nixpkgs": "nixpkgs_2"
+        "nixos-raspberrypi": "nixos-raspberrypi",
+        "nixos-uconsole": "nixos-uconsole",
+        "nixpkgs": "nixpkgs_2",
+        "nixpkgs-uconsole": "nixpkgs-uconsole"
       }
     },
     "systems": {

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

hosts/uconsole-cm5/configuration.nix

@@ -32,12 +32,5 @@
     xwayland.enable = true;
   };
 
-  # Force-disable libcamera in pipewire's SPA (fixes cross-compile — rpi-pisp subproject blocked)
+
-  nixpkgs.overlays = [
-    (final: prev: {
-      pipewire = prev.pipewire.overrideAttrs (old: {
-        mesonFlags = old.mesonFlags ++ [ "-Dlibcamera=disabled" ];
-      });
-    })
-  ];
 }