[Development] Dropping XP?

Jonathan Liu net147 at gmail.com
Wed Dec 11 11:57:04 CET 2013

On 11/12/2013 8:03 PM, Ziller Eike wrote:
> On Dec 11, 2013, at 6:27 AM, Jonathan Liu <net147 at gmail.com> wrote:
>> On 10 December 2013 18:34, Koehne Kai <Kai.Koehne at digia.com> wrote:
>>>> -----Original Message-----
>>>> From: development-bounces+kai.koehne=digia.com at qt-project.org
>>>> [mailto:development-bounces+kai.koehne=digia.com at qt-project.org] On
>>>> Behalf Of Thiago Macieira
>>>> Sent: Monday, December 09, 2013 11:24 PM
>>>> To: development at qt-project.org
>>>> Subject: [Development] Dropping XP?
>>>> As Kenneth reminds us[1], Microsoft is ending the security updates for
>>>> Windows XP in April 2014. That's about when we plan to release Qt 5.3.
>>> Actually ANGLE (one of the OpenGL backends we have for Windows) doesn't support Windows XP already now, which is why e.g. Qt Creator 3.0 will not support it either in 5.2.
>> Another option would be to build Qt Creator 3.0 for Windows using
>> desktop OpenGL and have an option in the installer to install the Mesa
>> LLVMpipe software renderer. I have written some instructions for cross
>> compiling Mesa for Windows here:
>> http://qt-project.org/wiki/Cross-compiling-Mesa-for-Windows
> I think even if Qt will still support Windows XP (as a deployment platform) it is completely fine if the pre-built Qt Creator packages do not. At least I don’t think we should at this point start investing a lot of time on this.
> Of course if someone writes down instructions on how one can build Qt Creator even for Windows XP somewhere in our wiki (or maybe even extending/fixing the README in Qt Creator’s sources), that’d be a perfectly welcome addition ;)
You don't need to do anything special for building Qt Creator for 
Windows XP.
The Qt libraries just need to be built targetting desktop OpenGL.
If you have proper OpenGL 2.1 drivers, run Qt Creator as normal.
If you don't, copy Mesa's opengl32.dll to same folder as qtcreator.exe 
and then run Qt Creator.


> My 2 1/2 cents,
> Eike
>> Regards,
>> Jonathan
>>>> Should we stop supporting Windows XP? Is there anything we can improve in
>>>> our codebase if we do?
>>> I don't know about the codebase, but given the feedback for Qt Creator there are still a lot of people using XP even as a development platform ... so I'd expect quite some backslash if we completely drop support for Windows XP, at least for 'traditional' QWidget based apps.
>>> My 2 cents
>>> Kai
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