Hi Philippe, If you can modify your Qt, you may be interested in my patch https://codereview.qt-project.org/c/qt/qtmultimedia/+/713500 that fixes LTCG in Qt6MultimediaQuick.
It won't be accepted by Qt Maintainers, sadly. Best, Aurélien Le ven. 3 avr. 2026 à 09:47, Philippe <[email protected]> a écrit : > Probably not the same reason, but I also had a problem building Qt > 6.11.0 on Windows. In my case, this was a linker error when building > Qt6MultimediaQuick > > I could solve the problem by NOT using -ltcg (link time code > optimization). > > I have been using -ltcg for many years without any problem, but with > the latest MSVC 2022 build and Qt 6.11.0, -ltcg removed too much stuff. > > Philippe > > > On Fri, 3 Apr 2026 04:49:31 +0000 > Scott Bloom <[email protected]> wrote: > > > Ill re-run the configure, but there was nothing after the warning. > > > > I finally gave up on building webview and the other web (only built > webchannel) but I still got that message. > > > > Its almost as if the logic is setup to assume there is a problem in the > dependencies and it writes out the header even when there are no > dependencies missing. > > > > Scott > > > > -----Original Message----- > > From: Development <[email protected]> On Behalf Of > Thiago Macieira > > Sent: Thursday, April 2, 2026 19:38 > > To: [email protected] > > Subject: Re: [Development] Problems building 6.11.0 on windows > > > > On Thursday, 2 April 2026 12:42:13 Pacific Daylight Time Scott Bloom > wrote: > > > However, configure still reports "WARNING: Qt WebEngine And Qt Pdf > > > SBOM generation will be skipped due to missing dependencies." > > > > > > However nothing is listed below. I have attached the config.summary. > > > > The summary is too short. Please include the full output of CMake. > > > > Do you have a legal requirement to generate the SBOM? If not, you can > just ignore that warning. > > > > If you do have a requirement, that message is coming from qtwebengine/ > configure.cmake, near the bottom. And you should see it prints a message of > what is missing: either Python is missing or (I'm guessing) some module > that SBOM requires. > > > > -- > > Thiago Macieira - thiago.macieira (AT) intel.com > > Principal Engineer - Intel DCG - Platform & Sys. Eng. > > -- > > Development mailing list > > [email protected] > > https://lists.qt-project.org/listinfo/development > > > -- > Development mailing list > [email protected] > https://lists.qt-project.org/listinfo/development >
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