Compile Fails on Mac 10.15 with XCode 12.1

[  0%] Automatic MOC for target apiextractor
[  0%] Built target apiextractor_autogen
[  0%] Building CXX object sources/shiboken2/ApiExtractor/CMakeFiles/apiextractor.dir/apiextractor_autogen/mocs_compilation.cpp.o
In file included from /data/Qi/pyside-setup/build-5.14-clang/sources/shiboken2/ApiExtractor/apiextractor_autogen/mocs_compilation.cpp:2:
In file included from /data/Qi/pyside-setup/build-5.14-clang/sources/shiboken2/ApiExtractor/apiextractor_autogen/EWIEGA46WW/moc_abstractmetalang.cpp:9:
In file included from /data/Qi/pyside-setup/sources/shiboken2/ApiExtractor/abstractmetalang.h:32:
In file included from /data/Qi/pyside-setup/sources/shiboken2/ApiExtractor/abstractmetalang_typedefs.h:32:
In file included from /data/Qt/online/5.12.8/clang_64/lib/QtCore.framework/Headers/QVector:1:
In file included from /data/Qt/online/5.12.8/clang_64/lib/QtCore.framework/Headers/qvector.h:45:
In file included from /data/Qt/online/5.12.8/clang_64/lib/QtCore.framework/Headers/qlist.h:47:
In file included from /data/Qt/online/5.12.8/clang_64/lib/QtCore.framework/Headers/qhashfunctions.h:47:
In file included from /Applications/Xcode.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/../include/c++/v1/numeric:148:
/Applications/Xcode.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/../include/c++/v1/cmath:317:9: error:
      no member named 'signbit' in the global namespace
using ::signbit;
      ~~^
/Applications/Xcode.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/../include/c++/v1/cmath:318:9: error:
      no member named 'fpclassify' in the global namespace
using ::fpclassify;
      ~~^
/Applications/Xcode.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/../include/c++/v1/cmath:319:9: error:
      no member named 'isfinite' in the global namespace; did you mean 'finite'?
using ::isfinite;
      ~~^
/Library/Developer/CommandLineTools/SDKs/MacOSX10.15.sdk/usr/include/math.h:749:12: note:
      'finite' declared here
extern int finite(double)
           ^
In file included from /data/Qi/pyside-setup/build-5.14-clang/sources/shiboken2/ApiExtractor/apiextractor_autogen/mocs_compilation.cpp:2:
In file included from /data/Qi/pyside-setup/build-5.14-clang/sources/shiboken2/ApiExtractor/apiextractor_autogen/EWIEGA46WW/moc_abstractmetalang.cpp:9:
In file included from /data/Qi/pyside-setup/sources/shiboken2/ApiExtractor/abstractmetalang.h:32:
In file included from /data/Qi/pyside-setup/sources/shiboken2/ApiExtractor/abstractmetalang_typedefs.h:32:
In file included from /data/Qt/online/5.12.8/clang_64/lib/QtCore.framework/Headers/QVector:1:
In file included from /data/Qt/online/5.12.8/clang_64/lib/QtCore.framework/Headers/qvector.h:45:
In file included from /data/Qt/online/5.12.8/clang_64/lib/QtCore.framework/Headers/qlist.h:47:
In file included from /data/Qt/online/5.12.8/clang_64/lib/QtCore.framework/Headers/qhashfunctions.h:47:
In file included from /Applications/Xcode.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/../include/c++/v1/numeric:148:
/Applications/Xcode.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/../include/c++/v1/cmath:320:9: error:
      no member named 'isinf' in the global namespace
using ::isinf;
      ~~^
/Applications/Xcode.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/../include/c++/v1/cmath:321:9: error:
      no member named 'isnan' in the global namespace
using ::isnan;
      ~~^
/Applications/Xcode.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/../include/c++/v1/cmath:322:9: error:
      no member named 'isnormal' in the global namespace
using ::isnormal;
      ~~^
/Applications/Xcode.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/../include/c++/v1/cmath:323:9: error:
      no member named 'isgreater' in the global namespace; did you mean
      'qGreater'?
using ::isgreater;
      ~~^
/data/Qt/online/5.12.8/clang_64/lib/QtCore.framework/Headers/qalgorithms.h:163:43: note:
      'qGreater' declared here
class QT_DEPRECATED_X("Use std::greater") qGreater
                                          ^
In file included from /data/Qi/pyside-setup/build-5.14-clang/sources/shiboken2/ApiExtractor/apiextractor_autogen/mocs_compilation.cpp:2:
In file included from /data/Qi/pyside-setup/build-5.14-clang/sources/shiboken2/ApiExtractor/apiextractor_autogen/EWIEGA46WW/moc_abstractmetalang.cpp:9:
In file included from /data/Qi/pyside-setup/sources/shiboken2/ApiExtractor/abstractmetalang.h:32:
In file included from /data/Qi/pyside-setup/sources/shiboken2/ApiExtractor/abstractmetalang_typedefs.h:32:
In file included from /data/Qt/online/5.12.8/clang_64/lib/QtCore.framework/Headers/QVector:1:
In file included from /data/Qt/online/5.12.8/clang_64/lib/QtCore.framework/Headers/qvector.h:45:
In file included from /data/Qt/online/5.12.8/clang_64/lib/QtCore.framework/Headers/qlist.h:47:
In file included from /data/Qt/online/5.12.8/clang_64/lib/QtCore.framework/Headers/qhashfunctions.h:47:
In file included from /Applications/Xcode.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/../include/c++/v1/numeric:148:
/Applications/Xcode.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/../include/c++/v1/cmath:324:7: error:
      no member named 'isgreaterequal' in the global namespace; did you mean
      '::std::greater_equal'?
using ::isgreaterequal;
      ^~
/Applications/Xcode.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/../include/c++/v1/functional:760:29: note:
      '::std::greater_equal' declared here
struct _LIBCPP_TEMPLATE_VIS greater_equal : binary_function<_Tp, _Tp, bool>
                            ^
In file included from /data/Qi/pyside-setup/build-5.14-clang/sources/shiboken2/ApiExtractor/apiextractor_autogen/mocs_compilation.cpp:2:
In file included from /data/Qi/pyside-setup/build-5.14-clang/sources/shiboken2/ApiExtractor/apiextractor_autogen/EWIEGA46WW/moc_abstractmetalang.cpp:9:
In file included from /data/Qi/pyside-setup/sources/shiboken2/ApiExtractor/abstractmetalang.h:32:
In file included from /data/Qi/pyside-setup/sources/shiboken2/ApiExtractor/abstractmetalang_typedefs.h:32:
In file included from /data/Qt/online/5.12.8/clang_64/lib/QtCore.framework/Headers/QVector:1:
In file included from /data/Qt/online/5.12.8/clang_64/lib/QtCore.framework/Headers/qvector.h:45:
In file included from /data/Qt/online/5.12.8/clang_64/lib/QtCore.framework/Headers/qlist.h:47:
In file included from /data/Qt/online/5.12.8/clang_64/lib/QtCore.framework/Headers/qhashfunctions.h:47:
In file included from /Applications/Xcode.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/../include/c++/v1/numeric:148:
/Applications/Xcode.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/../include/c++/v1/cmath:325:9: error:
      no member named 'isless' in the global namespace
using ::isless;
      ~~^
/Applications/Xcode.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/../include/c++/v1/cmath:326:9: error:
      no member named 'islessequal' in the global namespace
using ::islessequal;
      ~~^
/Applications/Xcode.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/../include/c++/v1/cmath:327:9: error:
      no member named 'islessgreater' in the global namespace
using ::islessgreater;
      ~~^
/Applications/Xcode.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/../include/c++/v1/cmath:328:9: error:
      no member named 'isunordered' in the global namespace
using ::isunordered;
      ~~^
/Applications/Xcode.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/../include/c++/v1/cmath:329:9: error:
      no member named 'isunordered' in the global namespace
using ::isunordered;
      ~~^
13 errors generated.
make[2]: *** [sources/shiboken2/ApiExtractor/CMakeFiles/apiextractor.dir/apiextractor_autogen/mocs_compilation.cpp.o] Error 1
make[1]: *** [sources/shiboken2/ApiExtractor/CMakeFiles/apiextractor.dir/all] Error 2
make: *** [all] Error 2
[2020-05-16 08:54:19]allen@Allens-MacBook-Pro:/data/Qi/pyside-setup/build-5.14-clang(5.14=)