[libcxx-commits] [libcxx] [libc++] Guard include of <features.h> with __has_include (PR #127691)

[Joseph Huber via libcxx-commits]

jhuber6 wrote:

Yeah, I forgot to mention that offloading compilations are weird. They like to define conflicting macros on both sides of the compilation to make things look the same.

https://github.com/llvm/llvm-project/pull/127691