On Sat, May 09, 2015 at 03:36:01PM -0400, Rich Felker wrote:
> Could you clarify the reasoning for why libgcc is using this hack with
> a reference to an 'obsolete' symbol version rather than just
> visibility?
Obviously for ABI compatibility reasons. Older programs could be relying on
the symbols exported from libgcc_s.so.1 in the past. We need to keep those
working, just don't want to allow linking new programs against this symbol
(because new programs should get their copy from libgcc.a now).
Jakub
