[libc-commits] [libc] [libc][cmake] pass -mthumb for thumb triples (PR #96550)

[Nick Desaulniers via libc-commits]

nickdesaulniers wrote:

> > Allows cross compiling for 32b ARM in thumb mode via `-DLIBC_TARGET_TRIPLE=thumbv7-linux-gnueabihf`. Strangely, setting that target triple doesn't imply `-mthumb`.
> 
> Is that an issue in Clang?

Filed #96566

https://github.com/llvm/llvm-project/pull/96550