RFC: Generate lib-names.h and stubs.h from ABI-LIST

[H.J. Lu]

On Thu, May 24, 2012 at 5:14 PM, Roland McGrath <roland@hack.frob.com> wrote:
>> The only issue is ld=soname.  I can try to remove the soname part
>> and use abi-ld-soname in CPU/Makefile instead.
>
> This is going in the wrong direction.  It happens to be the case that
> all the other soname strings match for x86_64 and x32, but that is not
> something that the machinery should presume.  (In the abstract, there
> is no good reason that x32 is using libc.so.6, for example--it's a new
> space of sonames and so it could be libc.so.1 instead.  I imagine you
> want to keep them matching just so as not to surprise people, and that
> is reasonable enough.  But that's certainly not something that we
> should be enforcing on people by having limiting assumptions in the
> build machinery.)

The main issue is:

http://www.sourceware.org/bugzilla/show_bug.cgi?id=14112

When we generate lib-names.h, we need to see all variants
and select it properly base on abi variant.  Without lib-names.h,
there is no issue.

-- 
H.J.