[Bug target/105710] ICE on powerpc darwin with TLS enabled

[iains at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=105710

Iain Sandoe <iains at gcc dot gnu.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
         Resolution|---                         |INVALID
             Status|UNCONFIRMED                 |RESOLVED

--- Comment #5 from Iain Sandoe <iains at gcc dot gnu.org> ---
(In reply to Sergey Fedorov from comment #4)
> (In reply to Andrew Pinski from comment #3)
> > (In reply to Sergey Fedorov from comment #2)
> > > (In reply to Andrew Pinski from comment #1)
> > > > >TLS enabled
> > > > 
> > > > TLS support for powerpc darwin was never added.
> > > 
> > > Iain writes that emulated TLS is supported on all Darwin versions starting
> > > from 10.5:
> > > https://github.com/ruby/ruby/pull/
> > > 5927?notification_referrer_id=NT_kwDOBXwLlrMzNjYyMzQ0NjYzOjkyMDE1NTEw#issueco
> > > mment-1133843490
> > 
> > That is enabled by default though --enable-tls tries to enable native TLS
> > support.
> 
> From what I understand, native TLS does not exist with gcc, at least for
> Darwin.

Correct (even if it did exist it would only be for 10.7+) so --enable-tls is a
configuration error.

(as I have said several times, the idea of configure is to choose the correct
settings for the target _automatically_ - extra config options should only be
added if there is a very good reason and you know exactly what they do).