[deal.II] Error of Installing Deal.ii 9.5.2 on Intel-based Mac Devices

I got the following error messages -- Detecting CXX compiler ABI info - failed -- Check for working CXX compiler: /Applications/deal.II.app/Contents/Resources/spack/lib/spack/env/clang/clang++ -- Check for working CXX compiler: /Applications/deal.II.app/Contents/Resources/spack/lib/spack/

[deal.II] How to access/output reference element basis functions values

Hello, It's been a while since I asked questions to this group, and I hope you are all doing well I tried to figure this out and dug into the communications, but failed, so if anyone can help me, I would greatly appreciate it. I know the deal.ii has this information and I know I have to use