From 4897aa8b5fdba8ae4b56fdad1ff923f6a6faf882 Mon Sep 17 00:00:00 2001
From: Mitch Curtis <mitch.curtis@qt.io>
Date: Fri, 9 Oct 2020 15:56:54 +0200
Subject: [PATCH] Fix build when configuring with -sanitize thread on gcc

There is no <sanitizer/tsan_interface.h> header when building with gcc,
at least on Ubuntu 18.04.3.

Fixes: QTBUG-87317
Change-Id: Ie933f6fa478f11b5062c665007e91be68e31ebe3
Reviewed-by: Thiago Macieira <thiago.macieira@intel.com>
---
 src/corelib/thread/qfutex_p.h | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/corelib/thread/qfutex_p.h b/src/corelib/thread/qfutex_p.h
index 9ace807b91c..e4bfeda5f86 100644
--- a/src/corelib/thread/qfutex_p.h
+++ b/src/corelib/thread/qfutex_p.h
@@ -81,7 +81,7 @@ QT_END_NAMESPACE
 // if not defined in linux/futex.h
 #  define FUTEX_PRIVATE_FLAG        128         // added in v2.6.22
 
-#  if __has_feature(thread_sanitizer) || defined(__SANITIZE_THREAD__)
+#  if (__has_feature(thread_sanitizer) || defined(__SANITIZE_THREAD__)) && __has_include(<sanitizer/tsan_interface.h>)
 #    include <sanitizer/tsan_interface.h>
 inline void _q_tsan_acquire(void *addr, void *addr2)
 {