Index: src/os_unix.c
==================================================================
--- src/os_unix.c
+++ src/os_unix.c
@@ -3755,11 +3755,15 @@
     ** zFilename remains valid until file is closed, to support */
     pNew->lockingContext = (void*)zFilename;
 #endif
   }
 
-  if( pLockingStyle == &posixIoMethods || pLockingStyle == &nfsIoMethods ){
+  if( pLockingStyle == &posixIoMethods
+#if defined(__APPLE__) && SQLITE_ENABLE_LOCKING_STYLE
+    || pLockingStyle == &nfsIoMethods
+#endif
+  ){
     unixEnterMutex();
     rc = findLockInfo(pNew, &pNew->pLock, &pNew->pOpen);
     if( rc!=SQLITE_OK ){
       /* If an error occured in findLockInfo(), close the file descriptor
       ** immediately, before releasing the mutex. findLockInfo() may fail