Heavy SysInit Dependency

[Chris Johns]

> On 19 May 2021, at 5:28 pm, Sebastian Huber <sebastian.huber at embedded-brains.de> wrote:
> 
> I am not sure how the dependency chain can be fixed with the current struct _reent approach of Newlib. A modern approach would be to replace this structure with individual thread-local objects. This would be technically feasible, however, a lot of work.

Do you mean the _reent structure is expanded out into separate TLS elements?

Chris