failed nixbsd experiment

2026-05-04 19:52:16 +02:00
parent 027f6a111a
commit 92330a6fe2
5 changed files with 319 additions and 1 deletions
@@ -0,0 +1,60 @@
+{
+  self,
+  nixpkgs,
+  nixbsd,
+  home-manager,
+  nix-flatpak,
+  plasma-manager,
+  lanzaboote,
+  claude-code,
+  nix-sweep,
+  peerix,
+  acer-wmi-ext,
+  ...
+}:
+hostConfig:
+
+nixbsd.lib.nixbsdSystem {
+  modules = [
+    # Cross-compile FreeBSD from Linux, builds dispatched to remote builder
+    {
+      nixpkgs.buildPlatform = "x86_64-linux";
+      nixpkgs.config.allowUnsupportedSystem = true;
+      nixpkgs.overlays = [
+        (final: prev: {
+          # No-op emulator for FreeBSD - builds happen on remote builder where binaries run natively
+          freebsdEmulator = prev.runCommand "freebsd-emulator" { } ''
+            mkdir -p $out/bin
+            cat > $out/bin/freebsd-exec << 'SCRIPT'
+            #!/bin/sh
+            exec "$@"
+            SCRIPT
+            chmod +x $out/bin/freebsd-exec
+          '';
+
+          # Override mesonEmulatorHook to not require a real emulator for FreeBSD
+          mesonEmulatorHook =
+            let
+              canExec = prev.stdenv.hostPlatform.canExecute prev.stdenv.targetPlatform;
+              emulatorPath = "${final.freebsdEmulator}/bin/freebsd-exec";
+            in
+            if canExec then
+              prev.mesonEmulatorHook
+            else
+              prev.makeSetupHook
+                {
+                  name = "mesonEmulatorHook";
+                  substitutions = {
+                    crossFile = prev.writeText "cross-file.conf" ''
+                      [binaries]
+                      exe_wrapper = '${prev.lib.escape [ "'" "\\" ] emulatorPath}'
+                    '';
+                  };
+                }
+                "${nixpkgs.outPath}/pkgs/build-support/setup-hooks/meson/emulator-hook.sh";
+        })
+      ];
+    }
+    hostConfig
+  ];
+}