target removal...

[Robert Dewar]

> Indeed: please keep irix5.  I'm currently working to resurrect my patches
> to support the O32 ABI on IRIX 6 (which is identical to the IRIX 5
> configuration).  Results are good so far; I'll post an initial patch
> shortly.

Note that the SGI compilers fully support -o32 on IRIX6 using the
-o32 switch. It is really wrong to use IRIX5/IRIX6 to mean o32/n32
(and then there is after all n64 as well, the third ABI supported
on IRIX6).