wayland\custom-extension and wayland\custom-shell examples fails to build with Boot to Qt on Windows

 C:\QT\6.9.0\Boot2Qt\imx8qm-mek\toolchain\sysroots\x86_64-w64-mingw32\usr\bin\qt-cmake.bat -GNinja CMakeLists.txt -B build
cmake --build build --parallel
cmake --install build --prefix C:\Users\qt\RTA\usr --config Debug

 [16/51] Building C object cpp-client/CMakeFiles/custom-extension-cpp-client.dir/wayland-custom-protocol.c.o
[17/51] Building CXX object cpp-client/CMakeFiles/custom-extension-cpp-client.dir/qwayland-custom.cpp.o
FAILED: cpp-client/CMakeFiles/custom-extension-cpp-client.dir/qwayland-custom.cpp.o 
C:\QT\6.9.0\Boot2Qt\imx8qm-mek\toolchain\sysroots\x86_64-w64-mingw32\usr\bin\aarch64-poky-linux\aarch64-poky-linux-g++.exe --sysroot=C:/QT/6.9.0/Boot2Qt/imx8qm-mek/toolchain/sysroots/cortexa72-cortexa53-crypto-poky-linux -DQT_CORE_LIB -DQT_GUI_LIB -DQT_NO_DEBUG -DQT_WAYLANDCLIENT_LIB -DQ_TRACEPOINT -IC:/Users/qt/RTA/B2Qt_6.9.0/Examples/Qt-6.9.0/wayland/custom-extension/build/cpp-client/custom-extension-cpp-client_autogen/include -IC:/Users/qt/RTA/B2Qt_6.9.0/Examples/Qt-6.9.0/wayland/custom-extension/build/cpp-client -isystem C:/QT/6.9.0/Boot2Qt/imx8qm-mek/toolchain/sysroots/cortexa72-cortexa53-crypto-poky-linux/usr/include/QtCore -isystem C:/QT/6.9.0/Boot2Qt/imx8qm-mek/toolchain/sysroots/cortexa72-cortexa53-crypto-poky-linux/usr/lib/mkspecs/linux-g++ -isystem C:/QT/6.9.0/Boot2Qt/imx8qm-mek/toolchain/sysroots/cortexa72-cortexa53-crypto-poky-linux/usr/include/QtGui -isystem C:/QT/6.9.0/Boot2Qt/imx8qm-mek/toolchain/sysroots/cortexa72-cortexa53-crypto-poky-linux/usr/include/QtGui/6.9.0 -isystem C:/QT/6.9.0/Boot2Qt/imx8qm-mek/toolchain/sysroots/cortexa72-cortexa53-crypto-poky-linux/usr/include/QtGui/6.9.0/QtGui -isystem C:/QT/6.9.0/Boot2Qt/imx8qm-mek/toolchain/sysroots/cortexa72-cortexa53-crypto-poky-linux/usr/include/QtCore/6.9.0 -isystem C:/QT/6.9.0/Boot2Qt/imx8qm-mek/toolchain/sysroots/cortexa72-cortexa53-crypto-poky-linux/usr/include/QtCore/6.9.0/QtCore -isystem C:/QT/6.9.0/Boot2Qt/imx8qm-mek/toolchain/sysroots/cortexa72-cortexa53-crypto-poky-linux/usr/include/QtWaylandClient -mcpu=cortex-a72.cortex-a53+crc+crypto -mbranch-protection=standard -fstack-protector-strong   -Wformat -Wformat-security -Werror=format-security --sysroot=C:/QT/6.9.0/Boot2Qt/imx8qm-mek/toolchain/sysroots/cortexa72-cortexa53-crypto-poky-linux -DLINUX -DWL_EGL_PLATFORM -MD -MT cpp-client/CMakeFiles/custom-extension-cpp-client.dir/qwayland-custom.cpp.o -MF cpp-client\CMakeFiles\custom-extension-cpp-client.dir\qwayland-custom.cpp.o.d -o cpp-client/CMakeFiles/custom-extension-cpp-client.dir/qwayland-custom.cpp.o -c C:/Users/qt/RTA/B2Qt_6.9.0/Examples/Qt-6.9.0/wayland/custom-extension/build/cpp-client/qwayland-custom.cpp
C:/Users/qt/RTA/B2Qt_6.9.0/Examples/Qt-6.9.0/wayland/custom-extension/build/cpp-client/qwayland-custom.cpp:4:10: error: #include expects "FILENAME" or <FILENAME>
    4 | #include ''
      |          ^~
C:/Users/qt/RTA/B2Qt_6.9.0/Examples/Qt-6.9.0/wayland/custom-extension/build/cpp-client/qwayland-custom.cpp:5:10: fatal error: ''/qwayland-custom.h: No such file or directory
    5 | #include <''/qwayland-custom.h>
      |          ^~~~~~~~~~~~~~~~~~~~~~
compilation terminated.
[18/51] Automatic MOC for target custom-extension-qml-client
[19/51] Automatic MOC for target custom-extension-compositor
[20/51] Building CXX object cpp-client/CMakeFiles/custom-extension-cpp-client.dir/custom-extension-cpp-client_autogen/mocs_compilation.cpp.o
[21/51] Building CXX object cpp-client/CMakeFiles/custom-extension-cpp-client.dir/__/client-common/customextension.cpp.o
[22/51] Building CXX object cpp-client/CMakeFiles/custom-extension-cpp-client.dir/main.cpp.o
ninja: build stopped: subcommand failed.
Building failed with error #1