compiler-rt: Revert passing `COMPILER_RT_OS_DIR` and not symlinking libs
(cherry picked from commit 680b33fe37)
https://github.com/NixOS/nixpkgs/pull/111487#issuecomment-840078869
compiler-rt: Revert passing `COMPILER_RT_OS_DIR` and not symlinking libs
(cherry picked from commit 680b33fe37)
https://github.com/NixOS/nixpkgs/pull/111487#issuecomment-840078869