From 6a57bf398fa9936a0e4888dc4169c1d18c029bda Mon Sep 17 00:00:00 2001
From: Roland Conybeare <rconybeare@gmail.com>
Date: Wed, 25 Feb 2026 17:08:14 +1100
Subject: [PATCH] xo-arena: + nix build

---
 pkgs/xo-arena.nix | 28 ++++++++++++++++++++++++++++
 1 file changed, 28 insertions(+)
 create mode 100644 pkgs/xo-arena.nix

diff --git a/pkgs/xo-arena.nix b/pkgs/xo-arena.nix
new file mode 100644
index 00000000..6daab810
--- /dev/null
+++ b/pkgs/xo-arena.nix
@@ -0,0 +1,28 @@
+{
+  # nixpkgs dependencies
+  stdenv, cmake, catch2,
+
+  # xo dependencies
+  xo-cmake,
+#  xo-refcnt,
+  xo-reflectutil,
+  xo-indentlog,
+} :
+
+stdenv.mkDerivation (finalattrs:
+  {
+    name = "xo-arena";
+
+    src = ../xo-arena;
+
+    cmakeFlags = ["-DCMAKE_MODULE_PATH=${xo-cmake}/share/cmake"];
+    doCheck = true;
+    nativeBuildInputs = [
+      cmake catch2 xo-cmake
+    ];
+    propagatedBuildInputs = [
+#      xo-refcnt
+      xo-reflectutil
+      xo-indentlog
+    ];
+  })