We cannot use the fancy options in PlatformGraphics since user projects
lack of their evaluation in QtPlatformSupport.cmake. Use the explicit
CMAKE_SYSTEM_NAME-based conditions instead. Those should work if
respective CMAKE_SYSTEM_NAME is specified in the toolchain file.
Amends 3322f585eb5ad11acc1f93ecaafb42e30e37b197
Change-Id: Ifb6ced360e8cade7315b2b238837578bfc9a1bc3
Reviewed-by: Kimmo Ollila <kimmo.ollila@qt.io>
Reviewed-by: Karim Pinter <karim.pinter@qt.io>
Reviewed-by: Joerg Bornemann <joerg.bornemann@qt.io>
(cherry picked from commit 43cac6eaa90897e50daf6105b19528b82bf776aa)
Reviewed-by: Alexandru Croitor <alexandru.croitor@qt.io>
21eff6644d