Jon Turney wrote:
> On 12/05/2021 18:50, Christian Franke wrote:
>> Jon Turney wrote:
>>> On 08/05/2021 21:03, Christian Franke wrote:
>>> ...
>>>> +#include "compactos.h"
>>>> +
>>>> +#ifndef FSCTL_SET_EXTERNAL_BACKING
>>>
>>> There should be a comment here saying "not yet provided by w32api" 
>>> or similar.
>>
>> ... or we wait for a release of w32api headers with the patch 
>> mentioned above :-)
>
> No, I think this way is better, since I build the setup releases on 
> Fedora, and so don't have any control about when the w32api package 
> I'm building against gets updated
>
> (and furthermore it's an old Fedora at the moment, since the x86 MinGW 
> toolchain in recent Fedora isn't built with SJLJ exception handling...)
>

I see. BTW: Mingw-w64 upstream pushed my patch yesterday.

Attached is a new patch for setup which also allows to select the 
compression algorithm.