From 88969087feaaafbb97f223edb46749aaccdea0c2 Mon Sep 17 00:00:00 2001
From: Hektor Misplon <hektor.misplon@pm.me>
Date: Sat, 31 Jan 2026 22:59:19 +0100
Subject: [PATCH] fix: use cross-compilation from x86 to ARM for SD card image

---
 flake.nix                    | 7 ++++++-
 hosts/andromache/default.nix | 2 --
 2 files changed, 6 insertions(+), 3 deletions(-)

diff --git a/flake.nix b/flake.nix
index cdcb849..3256125 100644
--- a/flake.nix
+++ b/flake.nix
@@ -88,10 +88,15 @@
         ))
         // {
           sd-image-aarch64 = nixpkgs.lib.nixosSystem {
-            system = "aarch64-linux";
+            system = "x86_64-linux";
             modules = [
               "${nixpkgs}/nixos/modules/installer/sd-card/sd-image-aarch64.nix"
               ./images/sd-image-aarch64.nix
+              {
+                nixpkgs.crossSystem = {
+                  system = "aarch64-linux";
+                };
+              }
             ];
             specialArgs = {
               inherit inputs outputs dotsPath;
diff --git a/hosts/andromache/default.nix b/hosts/andromache/default.nix
index c35ceb1..c7ec510 100644
--- a/hosts/andromache/default.nix
+++ b/hosts/andromache/default.nix
@@ -76,8 +76,6 @@ in
     };
   };
 
-  boot.binfmt.emulatedSystems = [ "aarch64-linux" ];
-
   hardware = {
     cpu.intel.updateMicrocode = true;
     graphics.enable = true;