[REG 6.6.0 beta2->beta3] QtWebengine not compiling from sources on SLES15_SP4

cmake -DOPENSSL_ROOT_DIR=/home/qt/openssl-3.0.7 -DCMAKE_C_COMPILER=gcc -DCMAKE_CXX_COMPILER=g++ -DCMAKE_BUILD_TYPE=Release -DQT_BUILD_TESTS=OFF -DCMAKE_AUTOGEN_VERBOSE=ON -DCMAKE_MESSAGE_LOG_LEVEL=STATUS -DQT_BUILD_EXAMPLES=FALSE -DINPUT_sql_mysql=no -G Ninja /home/qt/RTA/src-6.6.0 -DCMAKE_INSTALL_PREFIX:PATH=/home/qt/RTA/src-6.6.0/qtbase 

[8769/11986] Run gn for target WebEngineCore in /home/qt/RTA/src-6.6.0/qtwebengine/src/core/Release/x86_64
 FAILED: qtwebengine/src/core/Release/x86_64/QtWebEngineCore_objects.rsp qtwebengine/src/core/Release/x86_64/QtWebEngineCore_archives.rsp qtwebengine/src/core/Release/x86_64/QtWebEngineCore_libs.rsp qtwebengine/src/core/Release/x86_64/QtWebEngineCore_ldir.rsp qtwebengine/src/core/Release/x86_64/convert_dict_objects.rsp qtwebengine/src/core/Release/x86_64/convert_dict_archives.rsp qtwebengine/src/core/Release/x86_64/convert_dict_libs.rsp qtwebengine/src/core/Release/x86_64/convert_dict_ldir.rsp /home/qt/RTA/src-6.6.0/qtwebengine/src/core/Release/x86_64/QtWebEngineCore_objects.rsp /home/qt/RTA/src-6.6.0/qtwebengine/src/core/Release/x86_64/QtWebEngineCore_archives.rsp /home/qt/RTA/src-6.6.0/qtwebengine/src/core/Release/x86_64/QtWebEngineCore_libs.rsp /home/qt/RTA/src-6.6.0/qtwebengine/src/core/Release/x86_64/QtWebEngineCore_ldir.rsp /home/qt/RTA/src-6.6.0/qtwebengine/src/core/Release/x86_64/convert_dict_objects.rsp /home/qt/RTA/src-6.6.0/qtwebengine/src/core/Release/x86_64/convert_dict_archives.rsp /home/qt/RTA/src-6.6.0/qtwebengine/src/core/Release/x86_64/convert_dict_libs.rsp /home/qt/RTA/src-6.6.0/qtwebengine/src/core/Release/x86_64/convert_dict_ldir.rsp 
 cd /home/qt/RTA/src-6.6.0/qtwebengine && /opt/cmake-3.24.2/bin/cmake -DBUILD_DIR=/home/qt/RTA/src-6.6.0/qtwebengine/src/core/Release/x86_64 -DSOURCE_DIR=/home/qt/RTA/src-6.6.0/qtwebengine/src/core -DMODULE=core -DQT_HOST_GN_PATH= -DPython3_EXECUTABLE=/usr/local/bin/python3 -DGN_THREADS= -P /home/qt/RTA/src-6.6.0/qtwebengine/cmake/Gn.cmake
 -- Found Gn: /home/qt/RTA/src-6.6.0/qtwebengine/install/bin/gn (found suitable exact version "6.6.0.qtwebengine.qt.io") 
 -- Running gn in /home/qt/RTA/src-6.6.0/qtwebengine/src/core/Release/x86_64
 -- GN command:
 /home/qt/RTA/src-6.6.0/qtwebengine/install/bin/gn gen /home/qt/RTA/src-6.6.0/qtwebengine/src/core/Release/x86_64 --script-executable=/usr/local/bin/python3 --root=/home/qt/RTA/src-6.6.0/qtwebengine/src/3rdparty/chromium
 -- GN arg file:
 /home/qt/RTA/src-6.6.0/qtwebengine/src/core/Release/x86_64/args.gn
 -- GN args: 
 angle_enable_swiftshader=false
 blink_symbol_level=0
....