Fix build on Gentoo
AbstractEglBackend includes option.h, which includes main.h, which includes QApplication. Since SceneOpenGLBackend doesn't link against Qt::Widgets, kwin fails to build on Gentoo, but not on other distros for some reason...
AbstractEglBackend includes option.h, which includes main.h, which includes QApplication. Since SceneOpenGLBackend doesn't link against Qt::Widgets, kwin fails to build on Gentoo, but not on other distros for some reason...