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Subject: [Bug bootstrap/52569] [4.8 Regression] bootstrap fails on x86_64-apple-darwin10 at revision 185261
Date: Tue, 13 Mar 2012 08:44:00 -0000
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http://gcc.gnu.org/bugzilla/show_bug.cgi?id=52569

Richard Guenther <rguenth at gcc dot gnu.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|UNCONFIRMED                 |ASSIGNED
   Last reconfirmed|                            |2012-03-13
         AssignedTo|unassigned at gcc dot       |rguenth at gcc dot gnu.org
                   |gnu.org                     |
   Target Milestone|---                         |4.8.0
     Ever Confirmed|0                           |1

--- Comment #1 from Richard Guenther <rguenth at gcc dot gnu.org> 2012-03-13 08:42:53 UTC ---
Mine.  But I can only guess a fix and not test it.  Basically we now absolutely
require the GTHREAD_ONCE stuff, please have a try providing it for darwin
(I can see a manual page for pthread_once at least).

I see in unwind-dw2-fde-darwin.c:

/* Carefully don't include gthr.h.  */

what's that about?  It looks like that hack no longer works with the
changed condition for using __GTHREAD_MUTEX_INIT_FUNCTION.