1 files changed, 12 insertions, 4 deletions
diff --git a/src/corelib/kernel/qsharedmemory_p.h b/src/corelib/kernel/qsharedmemory_p.h
index 95fe0d1083..e6e989abda 100644
--- a/src/corelib/kernel/qsharedmemory_p.h
+++ b/src/corelib/kernel/qsharedmemory_p.h
@@ -67,9 +67,12 @@ namespace QSharedMemoryPrivate
 #else
 
 #include "qsystemsemaphore.h"
-#include "private/qobject_p.h"
 
-#if !defined(Q_OS_WIN) && !defined(Q_OS_ANDROID) && !defined(Q_OS_INTEGRITY)
+#ifndef QT_NO_QOBJECT
+# include "private/qobject_p.h"
+#endif
+
+#if !defined(Q_OS_WIN) && !defined(Q_OS_ANDROID) && !defined(Q_OS_INTEGRITY) && !defined(Q_OS_RTEMS)
 #  include <sys/sem.h>
 #endif
 
@@ -98,7 +101,7 @@ public:
     {
         if (q_sm && q_sm->lock())
             return true;
-        q_sm = 0;
+        q_sm = nullptr;
         return false;
     }
 
@@ -107,9 +110,14 @@ private:
 };
 #endif // QT_NO_SYSTEMSEMAPHORE
 
-class Q_AUTOTEST_EXPORT QSharedMemoryPrivate : public QObjectPrivate
+class Q_AUTOTEST_EXPORT QSharedMemoryPrivate
+#ifndef QT_NO_QOBJECT
+        : public QObjectPrivate
+#endif
 {
+#ifndef QT_NO_QOBJECT
     Q_DECLARE_PUBLIC(QSharedMemory)
+#endif
 
 public:
     QSharedMemoryPrivate();