[libc-commits] [libc] [libc] Create a separate proxy header for math-function-macros.h (PR #98430)

[Nhat Nguyen via libc-commits]

changkhothuychung wrote:

@lntue CI looks good, can you help me confirm the full build mode? my laptop (mac m1) has issues with building libc on full build mode. 

https://github.com/llvm/llvm-project/pull/98430