D24052: Make cmake require both opengl and qtopengl before building gl support

[Jonathan Riddell]

jriddell added a reviewer: scarlettmoore.

REPOSITORY
  R417 KSudoku

REVISION DETAIL
  https://phabricator.kde.org/D24052

To: jriddell, #kde_games, whiting, mlaurent, yurchor, scarlettmoore
Cc: kde-games-devel
-------------- next part --------------
An HTML attachment was scrubbed...
URL: <http://mail.kde.org/pipermail/kde-games-devel/attachments/20190918/61195a71/attachment.html>