[libcxx-commits] [libcxx] [libc++] Reintroduce LIBCXX_ENABLE_FSTREAM for independent fstream support (PR #193453)

[Nikolas Klauser via libcxx-commits]

philnik777 wrote:

> So would it be acceptable if libc++ provided a fallback implementation that throws for std::filesystem operations when the feature detection shows that the critical calls are not provided by the C library?

Sorry, I forgot to answer here. Kinda. I'd much rather have an internal filesystem API that can be implemented per platform, similar to the locale API.

https://github.com/llvm/llvm-project/pull/193453