binutils > 2.21.51.0.2 fails to build glibc

[H.J. Lu]

On Tue, Jan 11, 2011 at 10:22 PM, Ian Lance Taylor <iant@google.com> wrote:
> "H.J. Lu" <hjl.tools@gmail.com> writes:
>
>> On Tue, Jan 11, 2011 at 9:32 PM, Ian Lance Taylor <iant@google.com> wrote:
>>> "H.J. Lu" <hjl.tools@gmail.com> writes:
>>>
>>>> Not exactly, it segfault at build-time.  If you want to use the latest
>>>> binutils to BUILD your glibc, I think it is OK to require you to patch
>>>> your glibc. I can provide a patch for glibc 2.12.
>>>
>>> That doesn't really sound OK to me....
>>>
>>
>> Glibc developers seem to have no problems.
>
> Well, no, of course they wouldn't.  The issue here is not glibc
> developers.  It's other people who have to build glibc.
>
> It's quite likely that I misunderstand.  It sounds like you are saying
> that it's OK for GNU ld to segfault when building an older version of

Linker doesn't segfault.

> glibc.  The linker isn't like the compiler, where we tighten
> restrictions on the input language.  The linker should accept old object
> files.  And of course it should never segfault.  But if I misunderstand,
> then I apologize for raising the issue.

The problem is the linker generates bad libc.so with unfixed glibc.
The fix is trivial and leads to slightly better libc.so as extra bonus.


-- 
H.J.