vr fix

etcnixos/vr.nix

@@ -5,11 +5,18 @@
   ...
 }:
 {
+
   services.wivrn = {
     enable = true;
     openFirewall = true;
 
-    package = pkgs.wivrn;
+    package = (
+      pkgs.wivrn.overrideAttrs (old: {
+        cmakeFlags = old.cmakeFlags ++ [
+          (lib.cmakeFeature "OPENCOMPOSITE_SEARCH_PATH" "${pkgs.opencomposite}/lib/opencomposite")
+        ];
+      })
+    );
 
     # Write information to /etc/xdg/openxr/1/active_runtime.json, VR applications
     # will automatically read this and work with wivrn