Fix warning with -Wswitch-enum

> warning: enumeration values 'Joining_None', 'Joining_Left', and 'Joining_Transparent'
> not explicitly handled in switch [-Wswitch-enum]

Change-Id: I314b486462451e7d62980b6185b46cd115be1547
Reviewed-by: Lars Knoll <lars.knoll@digia.com>
Windows printer support: Fix linking problem when built with -no-opengl .

Add missing libraries that were otherwise pulled in by opengl.prf.

Task-number: QTBUG-38431
Change-Id: I1705d432088a47b5a202595e818e9efcd5f6a4cf
Reviewed-by: Andy Shaw <andy.shaw@digia.com>
Build Qt tools for iOS

Change-Id: Ie3dc93e01ed878233c8094ca92bef25a6cf4dcd9
Reviewed-by: Frederik Gladhorn <frederik.gladhorn@digia.com>