[Development] Enabling private features for separate modules

[Oswald Buddenhagen]

On Mon, Jun 19, 2017 at 08:32:43PM +0300, Alexander Volkov wrote:
> 19.06.2017 20:06, Oswald Buddenhagen пишет:
> > On Mon, Jun 19, 2017 at 01:52:59PM +0300, Alexander Volkov wrote:
> >> $ qmake -- -system-ffmpeg
> >> ***Unknown option -system-ffmpeg
> >>
> > you need to specify a file/directory, if only ".".
> >
> Yes, it works this way, thanks.
> Is there a reason for such behavior or is it a bug?
>
bug. patches welcome.