From 71eb2e9bd8a42deb8a6dd58beed1a36bb7be1215 Mon Sep 17 00:00:00 2001
From: Erik Kundiman <erik@megapahit.org>
Date: Sun, 19 Apr 2026 14:04:59 +0800
Subject: Include header needed by GCC for std::atomic<>

---
 indra/llappearance/lltexlayerparams.h | 1 +
 1 file changed, 1 insertion(+)

diff --git a/indra/llappearance/lltexlayerparams.h b/indra/llappearance/lltexlayerparams.h
index 5e785e4f3e..59320cc00d 100644
--- a/indra/llappearance/lltexlayerparams.h
+++ b/indra/llappearance/lltexlayerparams.h
@@ -27,6 +27,7 @@
 #ifndef LL_LLTEXLAYERPARAMS_H
 #define LL_LLTEXLAYERPARAMS_H
 
+#include <atomic>
 #include "llpointer.h"
 #include "v4color.h"
 #include "llviewervisualparam.h"
-- 
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