Re: Binary compatibility loss regarding errno

[Jakub Jelinek <jakub at redhat dot com>]

On Sat, Dec 28, 2002 at 02:53:53PM -0800, Roland McGrath wrote:
> > (have R_386_32 relocation against x@VERS_1 and x@VERS_1 exported
> > from the library). I'll work on this.
> > But .symver x,x@VERS_1 is grey area, I believe it should not be
> > allowed (it is not for .symver x,x@@VERS_1 BTW).
> 
> There are several places in glibc we would have to change in that case.
> It was always allowed before.  It works in other cases, e.g. __ctype_b.

I know that very well. But as I remember, __ctype_b etc. was done that way
exactly because .symver __old_ctype_b, __ctype_b@GLIBC_2.0 + access to
__ctype_b in the same DSO/binary was borken, so
.symver __ctype_b, __ctype_b@GLIBC_2.0 was used, as that seemed
to work. Apparently only partly.

	Jakub