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Posted to dev@nuttx.apache.org by Matheus Castello <ma...@castello.eng.br> on 2021/05/31 10:44:34 UTC

[Reporting] llvm11/12 arm-none-eabi error: use of undeclared identifier '__libcpp_signed_lock_free'

Trying to use libcxx I found the following error:

```
error: use of undeclared identifier '__libcpp_signed_lock_free'
typedef atomic<__libcpp_signed_lock_free> atomic_signed_lock_free;
```

Which was solved with a patch reported here: 
https://github.com/ziglang/zig/issues/6573

BR,
Matheus Castello