From 4228d7993db3df4aec5089b2c7cc96581cea1c72 Mon Sep 17 00:00:00 2001
From: Konstantin Bogdanov <konstantin@clickhouse.com>
Date: Mon, 31 Aug 2026 16:13:24 +0200
Subject: [PATCH] Add missing <cstdlib> include for free in stderr_logger

libc++ 23 no longer provides <cstdlib> transitively here.
---
 util/stderr_logger.cc | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/util/stderr_logger.cc b/util/stderr_logger.cc
index 1005b724b5de..c6bcd65314d2 100644
--- a/util/stderr_logger.cc
+++ b/util/stderr_logger.cc
@@ -6,6 +6,8 @@
 
 #include "util/stderr_logger.h"
 
+#include <cstdlib>
+
 #include "port/malloc.h"
 #include "port/sys_time.h"