From 1e070886ceac149277eec3148dc32f4f7fef1143 Mon Sep 17 00:00:00 2001
From: Daniel Byrne <daniel1.byrne@intel.com>
Date: Tue, 27 Oct 2026 06:04:16 -0700
Subject: [PATCH] tests: include <unistd.h> in test_perf.c

test_perf.c uses fork(), _exit(), sysconf() and _SC_PAGESIZE without
including <unistd.h>. With GCC 12 the transitive include is missing and
the CMake build fails with "_SC_PAGESIZE undeclared".
---
 tests/test_perf.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/tests/test_perf.c b/tests/test_perf.c
index 7c93278..e456c5d 100644
--- a/tests/test_perf.c
+++ b/tests/test_perf.c
@@ -36,6 +36,7 @@
 #include "dto_test_utils.h"
 
 #include <stdint.h>
+#include <unistd.h>
 #include <sched.h>
 #include <dlfcn.h>
 #include <sys/mman.h>