From d5226c0bbffa8581d3f53b61cd7badeba355e1ba Mon Sep 17 00:00:00 2001
From: Toemmsen96 <147745097+Toemmsen96@users.noreply.github.com>
Date: Wed, 11 Jun 2025 14:28:23 +0200
Subject: [PATCH] Add disclaimer for downgrade

---
 content/docs/fossvr/envision/wmr_controllers_on_arch.md | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/content/docs/fossvr/envision/wmr_controllers_on_arch.md b/content/docs/fossvr/envision/wmr_controllers_on_arch.md
index 59167ed..cb063de 100644
--- a/content/docs/fossvr/envision/wmr_controllers_on_arch.md
+++ b/content/docs/fossvr/envision/wmr_controllers_on_arch.md
@@ -76,3 +76,9 @@ paru -S envision-xr-git
     ERROR [wmr_bt_controller_create] WMR Controller (Bluetooth): Failed to create controller
     ERROR [wmr_create_bt_controller] Failed to create WMR controller (Bluetooth)
     ```
+- If building the profile fails with the following error, you will need to [downgrade](https://aur.archlinux.org/packages/downgrade) CMake to a Version before 4.0.0:
+    ```
+    -- Including internal Sophus from submodule
+    CMake Error at thirdparty/basalt-headers/thirdparty/Sophus/CMakeLists.txt:1 (cmake_minimum_required):
+    Compatibility with CMake < 3.5 has been removed from CMake.
+    ```