[Development] moc output changes coming

Ivan Solovev ivan.solovev at qt.io
Thu Nov 14 11:05:47 CET 2024


> error: "qtmochelpers.h not found or too old.”

Should be fixed by https://codereview.qt-project.org/c/qt/qtscxml/+/604244

------------------------------

Ivan

________________________________________
From: Development <development-bounces at qt-project.org> on behalf of Volker Hilsheimer via Development <development at qt-project.org>
Sent: Thursday, November 14, 2024 10:20 AM
To: Macieira, Thiago
Cc: development at qt-project.org
Subject: Re: [Development] moc output changes coming



> On 12 Nov 2024, at 03:48, Thiago Macieira <thiago.macieira at intel.com> wrote:
>
> The changes to moc are getting integrated. The next batch will include a
> change to the output revision number, so qtmetamacros.h and moc must match.
> Because we decided that moc does not need to keep compatibility, you may need
> to rebuild:
>
> If you're using QT_HOST_TOOLS, you'll need to rebuild the host tools.
>
> If you've got non-automoc uses anywhere (e.g., tst_moc), you'll need to
> manually clean the cache. Which files must be removed is non-obvious, so just
> delete your build tree and build again.
>
> If you have build problems after cleaning everything, let me know. I did not
> see anything in my builds of Qt, but I only build qtbase for Mac and Windows
> (aside from activeqt, which we're managing).
> --
> Thiago Macieira - thiago.macieira (AT) intel.com
>  Principal Engineer - Intel DCAI Platform & System Engineering
> --
> Development mailing list
> Development at qt-project.org
> https://lists.qt-project.org/listinfo/development

Did you build Qt SCXML? Build fails now with:

error: "qtmochelpers.h not found or too old.”

Volker

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