diff --git a/src/lib/caching/kshareddatacache_p.h b/src/lib/caching/kshareddatacache_p.h
--- a/src/lib/caching/kshareddatacache_p.h
+++ b/src/lib/caching/kshareddatacache_p.h
@@ -402,7 +402,9 @@
         sem_t tempSemaphore;
         QSharedPointer<KSDCLock> tempLock;
         if (timeoutsSupported) {
+#ifdef KSDC_TIMEOUTS_SUPPORTED
             tempLock = QSharedPointer<KSDCLock>(new semaphoreTimedLock(tempSemaphore));
+#endif
         } else {
             tempLock = QSharedPointer<KSDCLock>(new semaphoreLock(tempSemaphore));
         }