Re: Support for Windows on Arm

On 9/9/22 10:39, Martin Storsjö wrote:
> On Fri, 9 Sep 2022, Pierre Lamot wrote:
> 
>>
>> On 09/09/2022 10:29, Steve Lhomme wrote:
>>> out of the box for Windows ARM. It should build like the other Windows
>>> targets except adding `-a aarch64` to build.sh. It should work with
>>> the LLVM Dockers we use (or any llvm-mingw build). Not sure there's
>>> mingw-w64 for ARM available.
>>>
>>> There may be some contribs that don't build properly, for example Qt
>>> may refuse to build or not understand what's going on. And if it
>>> builds it's not
>>
>> according to your website [1], qt for windows arm requires version 6.2,
>> but we only support Qt 5, so this may indeed be a problem if you plan to
>> build the UI
> 
> I dunno what that information that website is based on, but with upstream
> Qt (plain Qt Core) it has worked fine since around Qt 5.11 with
> llvm-mingw. Maybe it's based on what they have tested themselves?
> 
> It runs just fine with the Qt backported patches in VLC's contrib, on both
> the 3.0.x and master branches.
> 

We observed issues with previous version. For instance, with cmake-gui 
that is crashing on startup. It's good to know it's working for VLC.

Officially, Qt is advertising support for Windows on Arm from Qt6 [1], 
while Qt5 does not mention it [2]. In more, prebuilt versions are only 
available since Qt6. Not every project builds Qt from source ;).

https://doc.qt.io/qt-6/windows.html [1]
https://doc.qt.io/qt-5/windows.html [2]

> // Martin
> 
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