https://github.com/ivmai/bdwgc/
https://github.com/ivmai/bdwgc/releases/download/v8.2.8/gc-8.2.8.tar.gz
https://github.com/ivmai/libatomic_ops/
https://github.com/ivmai/libatomic_ops/releases/download/v7.8.2/libatomic_ops-7.8.2.tar.gz