[libcxx-commits] [PATCH] D91691: [libc++] [libc++abi] Use C++20 standard.

[Marek Kurdej via Phabricator via libcxx-commits]

curdeius added a comment.

In order to support older compilers (not accepting `-std=c++2a`, i.e. gcc < 8 and clang < 5), I think we should use `CXX_STANDARD_REQUIRED OFF`, so that it will fall back to c++17.


Repository:
  rG LLVM Github Monorepo

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  https://reviews.llvm.org/D91691/new/

https://reviews.llvm.org/D91691