2 # ABI version of libc++. Can be either 1 or 2, where 2 is currently not stable. Defaults to 1.
5 # The inline ABI namespace used by libc++. It defaults to __n where `n` is the current ABI version.
6 libcxx_abi_namespace = ""
8 # Unstable ABI of libc++.
9 libcxx_abi_unstable = false