[libc-commits] [libc] [libc][cmake] reset COMPILE_DEFINITIONS (PR #77810)

[Nick Desaulniers via libc-commits]

nickdesaulniers wrote:

> In that case, since there might be more of these with different configurations and invocation

In that case, I suspect YAGNI, but adding logging and re-added _DEBUG in https://github.com/llvm/llvm-project/pull/77810/commits/fdc1e357266e1e5fc8c2c72cf3ef13350d0ee79e, PTAL.

https://github.com/llvm/llvm-project/pull/77810