From 3fb8d1c0c18fb6266a7a74080f9d5c8b6aeae654 Mon Sep 17 00:00:00 2001
From: Valtteri Valo <valtterimiikovalo@gmail.com>
Date: Fri, 21 Aug 2026 13:20:20 +0300
Subject: [PATCH] Fix OSRS renderer lifecycle test on Linux

---
 tests/test_osrs_puffer_render.py | 1 +
 1 file changed, 1 insertion(+)

diff --git a/tests/test_osrs_puffer_render.py b/tests/test_osrs_puffer_render.py
index 8842894b1e..b551f669df 100644
--- a/tests/test_osrs_puffer_render.py
+++ b/tests/test_osrs_puffer_render.py
@@ -84,6 +84,7 @@ def test_puf_render_owns_renderer_lifecycle(tmp_path: Path, wrapper: str) -> Non
     subprocess.run(
         [
             compiler,
+            "-D_POSIX_C_SOURCE=200809L",
             "-std=c11",
             "-I",
             str(REPOSITORY_ROOT),