https://bugs.gentoo.org/915888
https://github.com/hrydgard/ppsspp/commit/ce83fec20651222131ef9b88ba2dfb0554b66608

From ce83fec20651222131ef9b88ba2dfb0554b66608 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Henrik=20Rydg=C3=A5rd?= <hrydgard@gmail.com>
Date: Sun, 29 Oct 2023 23:39:25 -0600
Subject: [PATCH] Linux buildfix attempt

---
 unittest/TestThreadManager.cpp | 1 +
 1 file changed, 1 insertion(+)

diff --git a/unittest/TestThreadManager.cpp b/unittest/TestThreadManager.cpp
index f6a11f2fa363..10a8b581b768 100644
--- a/unittest/TestThreadManager.cpp
+++ b/unittest/TestThreadManager.cpp
@@ -1,5 +1,6 @@
 #include <thread>
 #include <vector>
+#include <cstdio>
 
 #include "Common/Log.h"
 #include "Common/TimeUtil.h"