6.8.0: qtdeclarative examples build fail

[tkloczko@pers-jacek x86_64-redhat-linux-gnu]$ cmake -L | grep EXA
CMake Warning:
  No source or binary directory provided.  Both will be assumed to be the
  same as the current working directory, but note that this warning will
  become a fatal error in future CMake releases.
CMake Error: The source directory "/home/tkloczko/rpmbuild/BUILD/qtdeclarative-everywhere-src-6.8.0/x86_64-redhat-linux-gnu" does not appear to contain CMakeLists.txt.
Specify --help for usage, or press the help button on the CMake GUI.
INSTALL_EXAMPLESDIR:STRING=libexec/examples/qt6
QT_BUILD_EXAMPLES:BOOL=ON
QT_BUILD_EXAMPLES_AS_EXTERNAL:BOOL=OFF
QT_BUILD_EXAMPLES_BY_DEFAULT:BOOL=ON
QT_BUILD_EXAMPLES_PROJECT_qtdeclarative:BOOL=ON
QT_DEPLOY_MINIMAL_EXAMPLES:BOOL=OFF
QT_INSTALL_EXAMPLES_SOURCES:BOOL=OFF
QT_INSTALL_EXAMPLES_SOURCES_BY_DEFAULT:BOOL=OFF 

[ 76%] Generating .rcc/qmlcache/chattutorial-chapter3_qmlcache_loader.cpp
cd /home/tkloczko/rpmbuild/BUILD/qtdeclarative-everywhere-src-6.8.0/x86_64-redhat-linux-gnu/examples/quickcontrols/chattutorial/chapter3 && ../../../../libexec/qt6/qmlcachegen --resource-na
/usr/bin/g++ -m64 -mtune=generic -fasynchronous-unwind-tables -fstack-clash-protection -fcf-protection -O2 -g -grecord-gcc-switches -pipe -mtls-dialect=gnu2 -specs=/usr/lib/rpm/redhat/redha
/home/tkloczko/rpmbuild/BUILD/qtdeclarative-everywhere-src-6.8.0/examples/quick/rendercontrol/rendercontrol_rhi/main.cpp: In constructor ‘MainWindow::MainWindow()’:
/home/tkloczko/rpmbuild/BUILD/qtdeclarative-everywhere-src-6.8.0/examples/quick/rendercontrol/rendercontrol_rhi/main.cpp:164:48: warning: ‘void QCheckBox::stateChanged(int)’ is deprecated:
  164 |     QObject::connect(animCheckBox, &QCheckBox::stateChanged, animCheckBox, [this, animCheckBox, animSlider, animLabel] {
      |                                                ^~~~~~~~~~~~
In file included from /usr/include/qt6/QtWidgets/QCheckBox:1,
                 from /home/tkloczko/rpmbuild/BUILD/qtdeclarative-everywhere-src-6.8.0/examples/quick/rendercontrol/rendercontrol_rhi/main.cpp:17:
/usr/include/qt6/QtWidgets/qcheckbox.h:41:10: note: declared here
   41 |     void stateChanged(int);
      |          ^~~~~~~~~~~~
/home/tkloczko/rpmbuild/BUILD/qtdeclarative-everywhere-src-6.8.0/examples/quick/rendercontrol/rendercontrol_rhi/main.cpp:186:50: warning: ‘void QCheckBox::stateChanged(int)’ is deprecated:
  186 |     QObject::connect(mirrorCheckBox, &QCheckBox::stateChanged, mirrorCheckBox, [this, mirrorCheckBox] {
      |                                                  ^~~~~~~~~~~~
/usr/include/qt6/QtWidgets/qcheckbox.h:41:10: note: declared here
   41 |     void stateChanged(int);
      |          ^~~~~~~~~~~~
[ 76%] Building CXX object examples/quick/advancedtext/CMakeFiles/advancedtextexample.dir/.rcc/qmlcache/advancedtextexample_qmlcache_loader.cpp.o
cd /home/tkloczko/rpmbuild/BUILD/qtdeclarative-everywhere-src-6.8.0/x86_64-redhat-linux-gnu/examples/quick/advancedtext && /usr/bin/g++ -DQT_CORE_LIB -DQT_GUI_LIB -DQT_NETWORK_LIB -DQT_NO_D
[ 76%] Running moc --collect-json for target chattutorial-chapter3
cd /home/tkloczko/rpmbuild/BUILD/qtdeclarative-everywhere-src-6.8.0/x86_64-redhat-linux-gnu/examples/quickcontrols/chattutorial/chapter3 && /usr/libexec/qt6/moc -o /home/tkloczko/rpmbuild/B
cd /home/tkloczko/rpmbuild/BUILD/qtdeclarative-everywhere-src-6.8.0/x86_64-redhat-linux-gnu/examples/quickcontrols/chattutorial/chapter3 && /usr/bin/cmake -E copy_if_different /home/tkloczk
collect2: error: ld returned 1 exit status
gmake[2]: *** [tools/qmlls/CMakeFiles/qmlls.dir/build.make:122: bin/qmlls] Error 1
gmake[2]: Leaving directory '/home/tkloczko/rpmbuild/BUILD/qtdeclarative-everywhere-src-6.8.0/x86_64-redhat-linux-gnu'
gmake[1]: *** [CMakeFiles/Makefile2:36436: tools/qmlls/CMakeFiles/qmlls.dir/all] Error 2
gmake[1]: *** Waiting for unfinished jobs....