Treat `unused-parameter` warnings as errors in CMake

[PragmaTwice]

Search before asking

• [X] I had searched in the issues and found no similar issues.

Motivation

See https://gcc.gnu.org/onlinedocs/gcc-3.2/gcc/Warning-Options.html.

Solution

No response

Are you willing to submit a PR?

• [ ] I'm willing to submit a PR!

[tiny-sky]

Recently I happened to learn about the project structure through CMakeLists.txt. I'd be happy to try to resolve the issue. Of course, if he (#2267 ) didn't choose this issue At the same time, I am a beginner and am happy to accept other tasks to understand the project faster.

[VasuDevrani]

/assign