Curent 3.0 branch of gcc fails to configure on AIX

[Alexandre Oliva]

On May  9, 2001, David Edelsohn <dje@watson.ibm.com> wrote:

> 	Your 2001-04-26 libstdc++ patch to determine what threads package
> to use has broken libstdc++-v3 configuration on AIX.

Oops.  Sorry.

> GCC for AIX uses a fake thread model of "aix" for Objective C
> which dynamically chooses POSIX or Single as necessary (gcc/gthr-aix.h).

I see.

> libstdc++-v3 configuration cannot understand the "aix" thread model
> response from GCC and the single, uniform, non-multilib information
> provided does not allow libstdc++-v3 to be configured properly for
> AIX on a multilib directory-by-directory basis.

> Alternatively, the thread model response from GCC must be more
> intelligent for AIX by knowing the commandline argument which
> affects pthread multilib status.

How's this?  Ok to install?  Mainline and 3.0 branch?