[libc-commits] [libc] [libc] Redo the install targets (PR #78795)

[Joseph Huber via libc-commits]

jhuber6 wrote:

> This should be addressed by [04c8558](https://github.com/llvm/llvm-project/commit/04c85587596ab10d885a957a00c8fa22740f15c1).

Beat my reply, thanks.

https://github.com/llvm/llvm-project/pull/78795