Namespace issue when building for Plugin for InDesign 2025

Hi all, would really appreciate feedback why I am getting this issue in Xcode when trying to build plugin that I got from developer. I have updated a lot, as this plugin was last build for version 2020. Here are some of the issues:

I have many similar issues so will just post a few:
/Applications/Xcode.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX14.2.sdk/usr/include/c++/v1/__string/char_traits.h:216:17 No member named ‘__constexpr_memcmp’ in namespace ‘std’

in file included from /Users/abrahamgeorges/Documents/PluginSDKRoot/InDesign Plugin GC/2020to2025/…/…/SDK/plugin_sdk_20.1.0.071/source/precomp/gcc/PluginPrefix.pch:30:
in file included from …/…/SDK/plugin_sdk_20.1.0.071/source/precomp/common/ShukHeaders.cp:52:
in file included from …/…/SDK/plugin_sdk_20.1.0.071/source/public/includes/InterfacePtr.h:76:
in file included from …/…/SDK/plugin_sdk_20.1.0.071/source/public/interfaces/architecture/IDataBase.h:37:
in file included from …/…/SDK/plugin_sdk_20.1.0.071/source/public/includes/IDFile.h:36:
in file included from …/…/SDK/plugin_sdk_20.1.0.071/source/public/includes/PMString.h:31:
in file included from …/…/SDK/plugin_sdk_20.1.0.071/source/public/includes/UnicodeSavvyString.h:44:
in file included from …/…/SDK/plugin_sdk_20.1.0.071/source/public/includes/StringStorage.h:29:
in file included from …/…/SDK/plugin_sdk_20.1.0.071/source/public/includes/IDThreading.h:31:
in file included from …/…/SDK/plugin_sdk_20.1.0.071/source/public/includes/IDThreadingPrimitives.h:33:
in file included from …/…/SDK/plugin_sdk_20.1.0.071/external/macos/include/boost/type_traits.hpp:98:
in file included from …/…/SDK/plugin_sdk_20.1.0.071/external/macos/include/boost/type_traits/is_complex.hpp:12:
in file included from /Applications/Xcode.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX14.2.sdk/usr/include/c++/v1/complex:243:
in file included from /Applications/Xcode.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX14.2.sdk/usr/include/c++/v1/sstream:191:
in file included from /Applications/Xcode.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX14.2.sdk/usr/include/c++/v1/istream:165:
in file included from /Applications/Xcode.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX14.2.sdk/usr/include/c++/v1/ostream:170:
in file included from /Applications/Xcode.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX14.2.sdk/usr/include/c++/v1/bitset:131:
in file included from /Applications/Xcode.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX14.2.sdk/usr/include/c++/v1/string:561:

I believe one issue is that for following:
#define __cplusplus 199711L (from Terminal) so trying to fix that.