[Development] Help! configure won't configure on Windows

[Oswald Buddenhagen]

On Thu, Sep 15, 2016 at 07:51:16PM -0700, Thiago Macieira wrote:
> On quinta-feira, 15 de setembro de 2016 18:33:24 PDT Thiago Macieira wrote:
> > Ok, just to be sure, I've nuked EVERYTHING from another build and it also
> > happens:
> 
> I've reduce this to this commit:
> 
after this commit, qtbase is still _supposed_ to configure stand-alone,
provided there are *no* build artifacts from qt5.git (look for hidden
files).
admittedly, i never tested this configuration, but i thought CI does (it
builds every module separately, supposedly without a top-level tree).