Multilibbing threaded supports

[David Edelsohn]

>>>>> Kean Johnston writes:

Kean> Is it possible (or if not, desirable) to be able to multilib
Kean> around the top level --enable-threads option? On systems
Kean> where the threads library is separate from libc, being
Kean> able to do so makes sense, as you would only want a threaded
Kean> version of (say) libstdc++ if your app is threaded. Otherwise,
Kean> every application may potentially have to link against the
Kean> threads library, and that can cause a considerable overhead.

Kean> Advice / opinions welcome.

	The AIX configuration of GCC multilibs thread support.

David