Don't register meta types during static init time5.5

The QMetaType register my not be up and running by the time
we attempt these meta type registration.

Change-Id: I1a857a936a24b4b00a49574fac311c08c09b3d5a
Task-number: QTBUG-49455
Reviewed-by: Timur Pocheptsov <timur.pocheptsov@theqtcompany.com>
Reviewed-by: Alex Blasche <alexander.blasche@theqtcompany.com>

1 files changed, 4 insertions, 7 deletions

diff --git a/src/bluetooth/qbluetoothlocaldevice.cpp b/src/bluetooth/qbluetoothlocaldevice.cpp
index 0eb97647..ddbce02b 100644
--- a/src/bluetooth/qbluetoothlocaldevice.cpp
+++ b/src/bluetooth/qbluetoothlocaldevice.cpp
@@ -97,20 +97,17 @@ QT_BEGIN_NAMESPACE
 
 */
 
-namespace {
-class LocalDeviceRegisterMetaTypes
+void registerQBluetoothLocalDeviceMetaType()
 {
-public:
-    LocalDeviceRegisterMetaTypes()
-    {
+    static bool initDone = false;
+    if (!initDone) {
         qRegisterMetaType<QBluetoothLocalDevice::HostMode>();
         qRegisterMetaType<QBluetoothLocalDevice::Pairing>();
         qRegisterMetaType<QBluetoothLocalDevice::Error>();
+        initDone = true;
     }
-} _registerLocalDeviceMetaTypes;
 }
 
-
 #ifndef QT_OSX_BLUETOOTH
 
 /*!