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Date: Thu, 23 Sep 2004 20:13:00 -0000
From: "H. J. Lu" <hjl@lucon.org>
To: Geert Bosch <bosch@gnat.com>
Cc: Mark Mitchell <mark@codesourcery.com>,
	Zdenek Dvorak <rakdver@atrey.karlin.mff.cuni.cz>,
	gcc mailing list <gcc@gcc.gnu.org>
Subject: Re: Build problem on ia64 (reverting patch on 3.4 branch)
Message-ID: <20040923184202.GB4807@lucon.org>
References: <20040922100014.GA6215@atrey.karlin.mff.cuni.cz> <20040922155147.GA12940@lucon.org> <2187C89A-0D8C-11D9-9684-000A959A128E@gnat.com>
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On Thu, Sep 23, 2004 at 02:12:29PM -0400, Geert Bosch wrote:
> 
> On Sep 22, 2004, at 11:51, H. J. Lu wrote:
> >http://gcc.gnu.org/bugzilla/show_bug.cgi?id=17464
> 
> Apparently, a similar failure occurs with Ada (make gnatlib_and_tools)
> on the GCC 3.4 branch. In my opinion a patch that:
>   1) requires updating the system linker, and
>   2) has such a high potential for bootstrap/build problems

Please try

http://gcc.gnu.org/ml/gcc-patches/2004-09/msg02413.html

> should not go on a stable branch like the gcc-3_4-branch. If we have
> so many problems building our own tools, likely people will run in
> related issues on their own projects to. This is not a safe patch!
> As far as I understand the new ABI, there should still be backward
> compatibility, so there would be no pressing need for gcc-3_4 to
> implement this new ABI.
> 
> Because of the above concerns I'd like to request that this patch
> be reverted on the 3.4 branch.

The problem is nothing new. If you make the system libgcc_s.so.1
unavailable to the newly built gcc, many things will fail. See

http://gcc.gnu.org/ml/gcc/2004-09/msg00209.html


H.J.