Bug#242122: No weak symbol for res_* on amd64.

[Daniel Jacobowitz <dan@debian.org>]

On Mon, Apr 05, 2004 at 12:32:29AM +0200, Kurt Roeckx wrote:
> On Sun, Apr 04, 2004 at 06:22:57PM -0400, Daniel Jacobowitz wrote:
> > On Sun, Apr 04, 2004 at 11:50:15PM +0200, Kurt Roeckx wrote:
> > > Package: libc6
> > > Version: 2.3.2.ds1-11
> > > 
> > > It seems the weak symbols for res_* are missing on amd64.
> > > 
> > > in resolv/res_data.c there is:
> > > #if SHLIB_COMPAT(libresolv, GLIBC_2_0, GLIBC_2_2)
> > > weak_alias (__res_query, res_query);
> > > 
> > > It seems the "SHLIB_COMPAT(libresolv, GLIBC_2_0, GLIBC_2_2)"
> > > returns false for some reason.  If I remove that #if then I
> > > properly get the weak symbols.
> > 
> > Why do you believe the weak symbols should be there?
> 
> It's a problem because configure doesn't find it anymore.  It
> doesn't include resolv.h so it doesn't know that it gets changed
> to __res_*.
> 
> I see 2 ways of fixing this, either fix all packages that depend
> on libresolv or add the weak symbols.
> 
> 
> PS: I've also found this post:
> http://mail.gnu.org/archive/html/bug-hurd/2002-05/msg00256.html

That's a bug in the affected configure scripts, then.  I believe
autoconf 2.5x is capable of handling this correctly.

-- 
Daniel Jacobowitz
MontaVista Software                         Debian GNU/Linux Developer