Comment # 5 on bug 1205863 from Michael Dluhosch

(In reply to Fabian Vogt from comment #4)
> Unfortunately the patch would not make that any better for SP5. Qt on SP5
> would then provide "QQuickFramebufferObject::Renderer::framebufferObject()
> const" without symbol version and still not work. This would only improve it
> for a possible SP6+. Backporting the change to SP4 is also not possible
> because it breaks ABI. There might be a way to provide both symbols in SP4,
> but it won't be simple.
> 
> Currently it's not clear whether SP5 will even get a newer Qt version than
> SP4, so ATM your build against SP4 will work on SP5 unchanged.

Okay I understand that, providing both symbols sounds also like a lot of effort
to me so I a am fine if you apply it only if you update Qt in a future SP or if
you don't apply it at all.