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-rw-r--r--src/corelib/global/qglobal.cpp2
1 files changed, 1 insertions, 1 deletions
diff --git a/src/corelib/global/qglobal.cpp b/src/corelib/global/qglobal.cpp
index ac347655bc..4ee4235278 100644
--- a/src/corelib/global/qglobal.cpp
+++ b/src/corelib/global/qglobal.cpp
@@ -2324,7 +2324,7 @@ Q_GLOBAL_STATIC(SeedStorage, randTLS) // Thread Local Storage for seed value
*/
void qsrand(uint seed)
{
-#if defined(Q_OS_UNIX) && !defined(QT_NO_THREAD)
+#if defined(Q_OS_UNIX) && !defined(QT_NO_THREAD) && defined(_POSIX_THREAD_SAFE_FUNCTIONS) && (_POSIX_THREAD_SAFE_FUNCTIONS - 0 > 0)
SeedStorage *seedStorage = randTLS();
if (seedStorage) {
SeedStorageType *pseed = seedStorage->localData();