I think the question of how long should Windows 7 and Windows 8 support
should continue. These are really old and no longer supported. There are
also some improvements that could be made (e.g., higher precision on the
time function) that require newer APIS.

Rick

On Tue, Aug 18, 2026 at 5:03 PM P.O. Jonsson <[email protected]> wrote:

> Dear Gil,
>
> Here is a summary of what we have right now for Windows
>
> Platform Visual Studio CMake IPO Support
> W7_32 VS 2019 3.20.3 IPO
> W7_64 VS 2019 3.20.3 IPO
> W8_32 VS 2019 3.20.3 IPO
> W8_64 VS 2019 3.20.3 IPO
> W10_32 VS 2022 3.22.2 IPO
> W10_64 VS 2022 3.22.2 IPO
> W11_32 VS 2022 3.25.0-rc2 IPO
> W11_64 VS 2022 3.25.0-rc2 IPO
>
> Notes:
> VS 2019 is not available from Microsoft any more (only a bootstrap is
> available and the actual download fail)
> VS 2022 seems not to be installable on W7 or W8 so no upgrade is possible
>
> I assume (but have not tested) that it works to uninstall VS 2022 and
> replace it with a newer version for Windows 10 and 11, but not on Windows 7
> and 8 (8.1)
>
> Summary of tests failures and errors, ignoring timing problems (virtualbox
> issues)
>
> Platform Failing Tests Error tests
> W7_32 3X SysUnicode (UTF-8) 3X Clipboard (UTF-8) Message:  UTF8 is known
> to fail prior to Windows 10 2018
> W7_64 3X SysUnicode (UTF-8) 3X Clipboard (UTF-8) Message:  UTF8 is known
> to fail prior to Windows 10 2018
> W8_32 3X SysUnicode (UTF-8) 3X Clipboard (UTF-8) Message:  UTF8 is known
> to fail prior to Windows 10 2018
> W8_64 3X SysUnicode (UTF-8) 3X Clipboard (UTF-8) Message:  UTF8 is known
> to fail prior to Windows 10 2018
> W10_32 None None
> W10_64 None None
> W11_32 None None
> W11_64 None None
>
> This points to incompatibility for UTF-8 on Windows 7 and 8. This should
> be documented and the tests maybe rewritten to make these errors  known
> errors at least
>
> P.O. Jonsson
> Hälsningar/Regards/Grüsse,
> [email protected]
>
>
>
> Am 18.08.2026 um 20:01 schrieb Gilbert Barmwater via Oorexx-devel <
> [email protected]>:
>
> From a Windows perspective, it looks like I may need to update my VS
> Community Edition (which I probably should have done a long time ago
> <blush>).  Not sure what Jenkins has installed but this may apply to
> it/them as well.  Just a heads up.
>
> Gil
> On 8/18/2026 12:47 PM, P. O. Jonsson wrote:
>
>
> Von meinem iPhone gesendet
> P.O. Jonsson
>
>
> Anfang der weitergeleiteten Nachricht:
>
> *Von:* "P.O. Jonsson" <[email protected]>
> <[email protected]>
> *Datum:* 18. August 2026 um 18:46:06 MESZ
> *An:* "P.O. Jonsson" <[email protected]> <[email protected]>
> *Betreff:* *Bump CMAKE_CXX_STANDARD to 17?*
>
> Bump CMAKE_CXX_STANDARD to 17?
>
> This mail got stuck in my outbasked, unclear why. Here it comes again
>
> Gil just pointed out that it is about C++ not CMake so I have no
> objections then, if there are to much to take care of afterwards it can
> always be rolled back.
>
> Ubuntu 16 is Erich´s private machine he must tell if it is fine to let it
> go
>
> P.O. Jonsson
> Hälsningar/Regards/Grüsse,
> [email protected]
>
>
>
>
>
> _______________________________________________
> Oorexx-devel mailing 
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>
> --
> Gil Barmwater
>
> _______________________________________________
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>
>
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