[Development] Qt 6 co-installability with Qt 5

[Kai Köhne]

> -----Ursprüngliche Nachricht-----
> Von: Development <development-bounces at qt-project.org> Im Auftrag von
> Joerg Bornemann
> Gesendet: Freitag, 26. Februar 2021 13:36
> An: Elvis Stansvik <elvstone at gmail.com>
> Cc: Macieira, Thiago <thiago.macieira at intel.com>; Qt development mailing
> list <development at qt-project.org>
> Betreff: Re: [Development] Qt 6 co-installability with Qt 5
> 
> On 2/24/21 8:54 AM, Elvis Stansvik wrote:
> 
> > I guess it rules out installing to e.g. a FAT-formatted USB-stick, but
> > I don't know if that's a thing. Could be considered an edge case and
> > documented not to work.
> 
> With https://codereview.qt-project.org/c/qt/qtbase/+/336652 a copy is made
> if a hard-link cannot be created.

Right, but that is at configure time, this doesn’t help with the online installer. 

If we go down this route, we should arguably check in the online installer whether the target folder is on an NTFS partition, and back out if not. One more complication ... :/

Regards

Kai