Re: IA-64 broken_backtrace on 4.0

[Andrew Haley <aph at redhat dot com>]

Jakub Jelinek writes:
 > On Thu, Jul 14, 2005 at 04:51:53PM +0100, Andrew Haley wrote:
 > > IA-64 configure.ac on 4.0 branch doesn't define HAVE_BACKTRACE:
 > > 
 > >    AC_CHECK_FUNC(backtrace, [
 > >      case "$host" in
 > >        ia64-*-linux*)
 > > 	 # Has broken backtrace()
 > > 	 ;;
 > > 
 > > Does anyone know *why* this is defined? 
 > 
 > It used to have broken backtrace() for ages, only November 2003
 > and later glibcs should have working backtrace() on ia64.

OK.  That explains it!

 > > Can we just delete this IA-64 special case?
 > 
 > Sure, just on gcc-4_0-rhl-branch or on HEAD as well?

Right now, just the former.  We know that gcc-4_0-rhl-branch will
never be used on such an old libc.

 > Or do we want to add a check whether it is working
 > (or check for glibc version, 2.3.3 or never is ok)?

For HEAD, just a version check?  I guess that would be pretty easy.

Andrew.