diff '--color=auto' -urN ice-3.8.0.orig/cpp/src/Ice/Instance.h ice-3.8.0/cpp/src/Ice/Instance.h
--- ice-3.8.0.orig/cpp/src/Ice/Instance.h	2025-12-31 11:14:06.153443277 +0100
+++ ice-3.8.0/cpp/src/Ice/Instance.h	2025-12-31 11:16:35.390728420 +0100
@@ -30,6 +30,7 @@
 #include "ThreadPoolF.h"
 #include "Timer.h"
 #include "TraceLevelsF.h"
+#include <linux/limits.h>
 
 #include <list>
 #include <thread>