From 790d95b4eed485f9bdf016cd0db5a1c6950d3ca0 Mon Sep 17 00:00:00 2001
From: OPNA2608 <opna2608@protonmail.com>
Date: Thu, 30 Oct 2025 10:45:48 +0100
Subject: [PATCH] mir: Restrict supported platforms to LE-only

Implementation of supported buffer formats for non-LE is marked as a TODO. Builds, but tests fail and compositors fail to start.
---
 pkgs/servers/mir/common.nix | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/pkgs/servers/mir/common.nix b/pkgs/servers/mir/common.nix
index 944242dceed3..f28c27aded5b 100644
--- a/pkgs/servers/mir/common.nix
+++ b/pkgs/servers/mir/common.nix
@@ -238,7 +238,9 @@ stdenv.mkDerivation (finalAttrs: {
       onny
       OPNA2608
     ];
-    platforms = lib.platforms.linux;
+    # Onle LE has valid graphics buffer formats
+    # https://github.com/canonical/mir/blob/ba8e83f75084379dec8e23131fdf04fa4a4567ac/src/platforms/common/server/shm_buffer.cpp#L61-L65
+    platforms = lib.lists.intersectLists lib.platforms.linux lib.platforms.littleEndian;
     pkgConfigModules = [
       "miral"
       "mircommon"